CN104253675A - Channel quality instruction estimating method and channel quality instruction estimating device - Google Patents

Abstract

Embodiments of the present invention provide a channel quality indicator estimation method and apparatus, wherein the method includes: the user equipment UE obtains the almost blank subframe ABS pattern of the first neighboring cell among the neighboring cells of the current serving cell and the relationship between the first neighboring cell and the The timing deviation of the serving cell is described above. The first neighboring cell is the cell with the best signal quality among the neighboring cells of the serving cell. The ABS pattern is used to indicate the distribution position of the strong subframe and the weak subframe in the time domain; the UE judges the location of the serving cell Whether the signal quality change matches the ABS pattern of the first neighboring cell; if it matches, the UE performs CQI estimation according to the ABS pattern of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell. It is realized that the SINR value can be obtained separately according to the strong subframe and weak subframe of the first adjacent cell, so that the obtained SINR value and CQI are accurate, thereby improving the accuracy rate of the HSDPA scheduling of the high-speed downlink packet service of the base station, and improving the channel transmission efficiency Or the success rate of transmission is guaranteed.

Description

Channel quality indicator estimation method and device

technical field

The embodiments of the present invention relate to the field of communication technologies, and in particular, to a method and device for estimating a channel quality indicator.

Background technique

The 3rd Generation Partnership Project (3GPP) plans to introduce the Heterogeneous Network (HetNet) technology into the Universal Mobile Telecommunications System (UMTS). The access network is a single macro network layer. The base station in the macro network layer is a macro base station (Marco). HetNet adds one or more micro network layers on the basis of the macro network layer. The base stations in the micro network are called micro base stations. Also known as Low Power Node (LPN for short), it can be used to load offload macro base stations to improve service quality and network throughput. In order to enhance the load offloading capability of the micro base station to the macro base station, HetNet can use Range Expansion (referred to as: RE) to expand the coverage of the micro base station. The implementation of area expansion can be that when UE performs cell selection, reselection or handover, it increases the priority of LPN relative to Macro, so that User Equipment (User Equipment, referred to as: UE) preferentially camps on or accesses LPN. However, RE technology will cause Macro to interfere with the UE served by the LPN. Although the UE preferentially camps on or accesses the LPN, the downlink quality of the Macro in the area where the UE is located is better than that of the LPN. Link quality, so that UEs in this area will be affected by strong interference from Macro.

In the prior art, the almost blank subframe (Almost Blank Subframe, ABS for short) technology is used to control this interference, that is, the radio network controller (Radio Network Controller, RNC for short) first makes the Macro and the LPN Synchronize, and then configure the ABS pattern to the Macro and the LPN. The ABS pattern is used to distinguish strong subframes from weak subframes. According to the ABS pattern, the Macro schedules the high-speed downlink packet access of the UE in the Macro on the strong subframe with higher power. Incoming (High-Speed Downlink Packet Access, referred to as: HSDPA) service, stop or reduce the power scheduling HSDPA service on the weak subframe; LPN schedules the HSDPA service of the UE located in the center area of the cell corresponding to the LPN on the strong subframe according to the ABS pattern , the LPN can schedule the HSDPA service of the UE located in the cell edge area corresponding to the LPN on the weak subframe according to the ABS pattern, so as to solve the problem of the UE located in the cell edge area corresponding to the LPN (that is, the UE that still resides or preferentially accesses the LPN) Affected by strong interference from Macro.

However, HSDPA uses adaptive modulation and coding technology (Adaptive Modulation and Coding, referred to as: AMC) to effectively transmit data, which requires the UE to estimate the channel according to the signal to interference plus noise ratio (Signal to interference plus noise ratio, referred to as: SINR) of the serving cell Quality indication (Channel Quality Indication, referred to as: CQI) and feedback to the base station. The base station selects the current modulation and coding scheme that best matches the air interface channel to the UE according to the CQI to send downlink data. However, in HetNet, when the Macro neighbor cell of the Macro base station also adopts the ABS technology, the downlink channel quality of the UE located at the edge of the Macro will also change with the strong and weak ABS frame. If the current subframe is a weak subframe, the UE is affected by the If the interference of the Macro is low, the estimated SINR value of the UE is relatively high. If the subframes before the weak subframe are strong subframes, and the UE is greatly interfered by neighboring Macros on these strong subframes, then the UE The estimated SINR value is low. Conversely, if the current subframe is a strong subframe and the previous subframes are weak subframes, then the estimated SINR value of the UE is high. In this case, the CQI estimated by the UE is biased. low or high. A high or low CQI value reported by the UE to the Macro will cause the Macro to fail to match the downlink channel to schedule data, resulting in reduced channel transmission efficiency or channel transmission failure.

Contents of the invention

Embodiments of the present invention provide a channel quality indicator estimation method and device, which are used to solve the problems in the prior art, so as to estimate the accurate CQI respectively according to the strong subframe and the weak subframe of the first neighboring cell, so that when When the Macro in the neighboring base stations of the Macro base station is configured with ABS, the Macro base station can match the downlink channel of the cell edge UE to schedule data, improving the channel transmission efficiency of these UEs or ensuring the success rate of transmission.

In the first aspect, an embodiment of the present invention provides a method for estimating a channel quality indicator, including: a user equipment UE acquires an almost blank subframe ABS pattern of a first neighboring cell among the neighboring cells of the current serving cell and the relationship between the first neighboring cell and the The timing deviation of the serving cell, the first neighboring cell is the cell with the best signal quality among the neighboring cells of the serving cell, and the ABS pattern is used to indicate the distribution positions of strong subframes and weak subframes in the time domain ; The UE judges whether the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; if the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, the The UE performs CQI estimation according to the ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell.

In a first possible implementation manner of the first aspect, the user equipment UE acquires an almost blank subframe ABS pattern of a first neighboring cell among the neighboring cells of the current serving cell and the relationship between the first neighboring cell and the serving cell Before the timing deviation, it also includes: the UE receives the ABS pattern of all the cells in the neighbor list of the serving cell sent by the base station and the timing of all the cells in the neighbor list of the serving cell and the serving cell Deviation: the user equipment UE obtains the almost blank subframe ABS pattern of the first neighboring cell in the neighboring cell of the current serving cell and the timing deviation between the first neighboring cell and the serving cell, including: the UE to the The neighbor cell of the serving cell is measured, and the neighbor cell with the best signal quality is determined as the first neighbor cell, and the ABS pattern corresponding to the neighbor cell with the best signal quality and the neighbor cell with the best signal quality are searched The timing offset from the serving cell.

In a second possible implementation manner of the first aspect, the user equipment UE obtains an almost blank subframe ABS pattern of a first neighboring cell among the neighboring cells of the current serving cell and the relationship between the first neighboring cell and the serving cell timing deviation, including: the UE measures the neighboring cells of the serving cell, and determines the neighboring cell with the best signal quality as the first neighboring cell; the UE sends a measurement report to the base station, and the measurement report It includes identification information of the first neighboring cell; the UE receives the ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell sent by the base station.

With reference to the first aspect or the first possible implementation of the first aspect or the second possible implementation of the first aspect, in a third possible implementation of the first aspect, the UE determines that the service Whether the signal quality change of the cell matches the ABS pattern of the first neighboring cell includes: the UE judging whether the signal quality of the serving cell changes periodically within a first preset time; if the signal quality of the serving cell The signal quality changes periodically within a first preset time, then the UE determines whether the first preset time is the same as the change period of the ABS pattern of the first neighboring cell; if the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, then the UE determines that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell.

With reference to the third possible implementation of the first aspect, in the fourth possible implementation of the first aspect, if the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, Then the method further includes: if the UE determines, according to the timing deviation between the first neighboring cell and the serving cell, that there is an ABS pattern with the first neighboring cell within the change period of the signal quality of the serving cell If there is a first time corresponding to a weak subframe in the ABS pattern of the first neighboring cell, and there is a second time corresponding to a strong subframe in the ABS pattern of the first neighboring cell, then the UE determines that the signal quality change of the serving cell is different from that of the first neighboring cell District ABS pattern matching; wherein, the change period of the signal quality of the serving cell is the first preset time, the first time is the appearance time of the first signal quality, and the second time is the second signal quality The appearance time of the quality, the first signal quality is the average value of the signal quality of the serving cell that is greater than the first preset value within the change period of the signal quality of the serving cell, and the second signal quality is the average value of the signal quality of the serving cell in the An average value of the signal quality of the serving cell within a variation period of the signal quality of the serving cell that is smaller than a second preset value, where the first preset value is greater than the second preset value.

With reference to the fourth possible implementation of the first aspect, in the fifth possible implementation of the first aspect, if the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, Then the method further includes: the UE determines whether the difference between the first signal quality and the second signal quality is greater than a third preset value; if yes, it means that the UE determines that the difference between the signal quality change of the serving cell and the Match the ABS pattern of the first adjacent cell.

In combination with the first aspect or the first possible implementation of the first aspect or the second possible implementation of the first aspect or the third possible implementation of the first aspect or the fourth possible implementation of the first aspect Implementation manner or the fifth possible implementation manner of the first aspect, in the sixth possible implementation manner of the first aspect, the UE, according to the ABS pattern of the first neighboring cell and the first neighboring cell and The CQI estimation of the timing deviation of the serving cell includes: the UE obtaining the SINR value corresponding to the current subframe; the UE judging the current subframe and the timing deviation between the first neighboring cell and the serving cell according to the current The subframe corresponds to a strong subframe or a weak subframe in the ABS pattern of the first neighboring cell; if the current subframe corresponds to a strong subframe in the ABS pattern of the first neighboring cell, then the UE The ABS pattern of a neighboring cell performs filtering processing on the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive strong subframes of the current subframe to obtain a filtered SINR value, where N is greater than or equal to A positive integer of 0; if the current subframe corresponds to a weak subframe in the ABS pattern corresponding to the first neighboring cell, then the UE sets the SINR value corresponding to the current subframe according to the ABS pattern of the first neighboring cell performing filtering processing with the SINR values of the previous N consecutive weak subframes of the current subframe to obtain a filtered SINR value; the UE determines the CQI according to the filtered SINR value.

In a second aspect, an embodiment of the present invention provides a user equipment UE, including: an acquisition module, configured to acquire an almost blank subframe ABS pattern of a first neighboring cell among the neighboring cells of the current serving cell and the relationship between the first neighboring cell and the The timing deviation of the serving cell, the first neighboring cell is the cell with the best signal quality among the neighboring cells of the serving cell, and the ABS pattern is used to indicate the distribution positions of strong subframes and weak subframes in the time domain a judging module, configured to judge whether the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; a processing module, configured to determine whether the signal quality change of the serving cell matches the first neighboring cell's ABS pattern; If the ABS pattern of the first neighboring cell matches, CQI estimation is performed according to the ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell.

In the first possible implementation manner of the second aspect, it further includes: a receiving module, configured for the obtaining module to obtain the almost blank subframe ABS pattern of the first neighboring cell among the neighboring cells of the current serving cell and the first Before the timing deviation between the neighbor cell and the serving cell, receive the ABS pattern of all the cells in the neighbor cell list of the serving cell and the ABS pattern of all the cells in the neighbor cell list of the serving cell and the serving cell sent by the base station. Timing deviation; the acquisition module is specifically used to measure the neighboring cells of the serving cell, determine the neighboring cell with the best signal quality as the first neighboring cell, and search for the corresponding neighbor cell with the best signal quality The ABS pattern and the timing offset between the neighbor cell with the best signal quality and the serving cell.

In a second possible implementation manner of the second aspect, the obtaining module is specifically configured to measure neighboring cells of the serving cell, and determine the neighboring cell with the best signal quality as the first neighboring cell; The base station sends a measurement report, and the measurement report includes the identification information of the first neighboring cell; receiving the ABS pattern of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell sent by the base station .

In combination with the second aspect or the first possible implementation of the second aspect or the second possible implementation of the second aspect, in a third possible implementation of the second aspect, the judging module includes: A first judging unit, configured to judge whether the signal quality of the serving cell changes periodically within a first preset time; a second judging unit, configured to judge the signal quality of the serving cell if the first judging unit Periodically changing within the first preset time, then determine whether the first preset time is the same as the change period of the ABS pattern of the first neighboring cell; the first determining unit is configured to if the second judgment The unit determines that the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, and then determines that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell.

With reference to the third possible implementation manner of the second aspect, in the fourth possible implementation manner of the second aspect, if the second judging unit determines that the distance between the first preset time and the first neighboring cell The change periods of the ABS patterns are the same, and the first determination unit is specifically configured to determine that within the change period of the signal quality of the serving cell there is The first time corresponding to the weak subframe in the ABS pattern of a neighboring cell, and there is a second time corresponding to the strong subframe in the ABS pattern of the first neighboring cell; then determine the signal quality change of the serving cell Matching with the ABS pattern of the first neighboring cell; wherein, the change period of the signal quality of the serving cell is the first preset time, the first time is the occurrence time of the first signal quality, and the first The second time is the occurrence time of the second signal quality, the first signal quality is the average value of the signal quality of the serving cell greater than the first preset value within the change period of the signal quality of the serving cell, and the second The signal quality is an average value of the signal quality of the serving cell that is less than a second preset value within a change period of the signal quality of the serving cell, and the first preset value is greater than the second preset value.

With reference to the fourth possible implementation manner of the second aspect, in the fifth possible implementation manner of the second aspect, if the second judging unit determines that the distance between the first preset time and the first neighboring cell The change periods of the ABS patterns are the same, then the UE further includes: a third judging unit, configured to determine whether the difference between the first signal quality and the second signal quality is greater than a third preset value; the first determination The unit is specifically configured to, if the third judging unit determines that the difference between the first signal quality and the second signal quality is greater than a third preset value, determine that the signal quality change of the serving cell is different from that of the first neighbor. The ABS pattern of the zone matches.

In combination with the second aspect or the first possible implementation of the second aspect or the second possible implementation of the second aspect or the third possible implementation of the second aspect or the fourth possible implementation of the second aspect The implementation manner or the fifth possible implementation manner of the second aspect, in the sixth possible implementation manner of the second aspect, the processing module includes: an acquisition unit, configured to acquire the SINR value corresponding to the current subframe; Four judging units, configured to judge whether the current subframe corresponds to a strong subframe or a weak subframe in the ABS pattern of the first neighboring cell according to the current subframe and the timing deviation between the first neighboring cell and the serving cell; a processing unit, configured to: if the current subframe corresponds to a strong subframe in the ABS pattern of the first neighboring cell, the UE compares the SINR value corresponding to the current subframe with the ABS pattern of the first neighboring cell The SINR values of the first N consecutive strong subframes of the current subframe are filtered to obtain the filtered SINR value, and the N is a positive integer greater than or equal to 0; if the current subframe corresponds to the first neighboring the weak subframes in the ABS pattern of the first neighboring cell, the UE compares the SINR value corresponding to the current subframe with the SINR values of the previous N consecutive weak subframes of the current subframe according to the ABS pattern of the first neighboring cell performing filtering processing to obtain a filtered SINR value; a second determination unit configured to determine the CQI according to the filtered SINR value.

The channel quality indication estimation method and device provided by the embodiments of the present invention obtain the ABS pattern of the first neighboring cell in the neighboring cell of the current serving cell and the timing deviation between the first neighboring cell and the serving cell through the UE, and the first neighboring cell is the serving cell The neighbor cell with the best signal quality in the neighboring cell, the ABS pattern is used to indicate the distribution position of the strong subframe and the weak subframe in the time domain, when the UE judges that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell When , the CQI estimation is performed according to the ABS pattern of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell, and the SINR value can be obtained respectively according to the strong subframe and the weak subframe of the first neighboring cell, so that the obtained The SINR value and CQI are accurate, which improves the channel transmission efficiency or ensures the success rate of transmission.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a flowchart of Embodiment 1 of a method for estimating a channel quality indicator according to the present invention;

Fig. 2 is the schematic diagram of a kind of ABS pattern in the embodiment of the present invention;

FIG. 3 is a flow chart of Embodiment 2 of the method for estimating a channel quality indicator according to the present invention;

FIG. 4 is a flow chart of Embodiment 3 of the method for estimating a channel quality indicator according to the present invention;

FIG. 5 is a flow chart of Embodiment 4 of a method for estimating a channel quality indicator according to the present invention;

FIG. 6 is a schematic structural diagram of UE Embodiment 1 of the present invention;

FIG. 7 is a schematic structural diagram of Embodiment 2 of the UE of the present invention;

FIG. 8 is a schematic structural diagram of Embodiment 3 of the UE of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Figure 1 is a flow chart of Embodiment 1 of channel quality indication estimation according to the present invention. As shown in Figure 1, the method of this embodiment may include:

Step 101. The UE obtains the ABS pattern of the first neighboring cell among the neighboring cells of the current serving cell and the timing deviation between the first neighboring cell and the serving cell. The first neighboring cell is the cell with the best signal quality among the neighboring cells of the serving cell, and the ABS The pattern is used to indicate the distribution positions of strong subframes and weak subframes in the time domain.

In this embodiment, the base station records the neighbor list of each cell corresponding to the base station. After the UE accesses the serving cell, the UE can obtain the neighbor list of the serving cell from the base station. In the neighbor list of the serving cell The information of all the cells adjacent to the serving cell is recorded, so that the UE can determine which neighboring cells the current serving cell has, and then the UE can obtain the ABS pattern of the first neighboring cell among the neighboring cells of the current serving cell and the first neighboring cell. The timing deviation between the cell and the serving cell, where the first neighboring cell is the neighboring cell with the best signal quality among the neighboring cells of the serving cell, for example: the first neighboring cell is the Common Pilot Channel (Common Pilot Channel) in the neighboring cell of the serving cell , referred to as: CPICH) received signal code power (Received Signal Code Power, referred to as: RSCP) maximum or CPICH chip power ratio wideband power spectrum (Ec/No) maximum or the neighbor cell with the smallest path loss, it should be noted that for All the parameters indicating the signal quality of the neighboring cells can be used as the parameters for measuring the signal quality of the neighboring cells in the embodiment of the present invention, which is not limited in the embodiment of the present invention.

FIG. 2 is a schematic diagram of an ABS pattern in an embodiment of the present invention. As shown in FIG. 2, the ABS pattern is used to indicate the distribution positions of strong subframes and weak subframes in the time domain, for example: the ABS pattern of the first neighboring cell It is used to indicate that the radio frame is divided into strong subframes and weak subframes, which subframes are strong subframes and which subframes are weak subframes in the time domain. It should be noted that FIG. 2 is only used to illustrate the ABS pattern, and the embodiment of the present invention is not limited thereto.

Since the serving cell and the first neighboring cell are not synchronized in time, there is a time deviation between the serving cell and the first neighboring cell. Therefore, according to the timing deviation between the serving cell and the first neighboring cell, the current subframe of the serving cell and the second Corresponding to a certain subframe of a neighboring cell, that is, it can be considered that the current subframe of the serving cell is synchronized with the corresponding subframe of the first neighboring cell, wherein the timing deviation between the first neighboring cell and the serving cell is the difference between the first neighboring cell and the serving cell. The deviation of the signal transmission time when the cell transmits data to the UE respectively. When the timing offset between the first neighboring cell and the serving cell is 0, the UE may not acquire the timing offset, which is not limited in this embodiment of the present invention.

It should be noted that the serving cell may be a cell corresponding to a macro base station or a cell corresponding to a low-power node; the first neighboring cell may be a cell corresponding to a macro base station or a cell corresponding to a low-power node. This is not limited.

Step 102, the UE judges whether the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; if the UE judges that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, then perform step 103; If the signal quality change of the cell does not match the ABS pattern of the first neighboring cell, step 104 is performed.

In this embodiment, the UE can measure the signal quality of the serving cell and obtain the change of the signal quality. For example, the UE can obtain the change of the signal quality within a preset time, that is, the signal quality within the preset time Which subframes have good signal quality, and which subframes have poor signal quality within the preset time, for example: the CPICH Ec/No of the serving cell can be used to represent the signal quality of the serving cell, the embodiment of the present invention is here No restrictions. After the UE obtains the ABS pattern of the first neighboring cell, the UE can judge whether the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, for example: whether the distribution of the signal quality of the serving cell on the subframe is consistent with the ABS pattern Whether the distribution positions of the moderately strong subframes and the weak subframes match. If the UE judges that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, the UE performs step 103; if the UE judges that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, the UE executes Step 104.

Step 103, the UE performs CQI estimation according to the ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell.

In this embodiment, if the UE judges that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, the UE can calculate the CQI according to the ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell Estimation, for example: UE can synchronize the serving cell with the first neighboring cell according to the timing deviation between the first neighboring cell and the serving cell, that is, obtain the correspondence between the subframes of the serving cell according to the timing deviation between the first neighboring cell and the serving cell Each subframe in the first neighboring cell of the first neighboring cell, if the subframe of the first neighboring cell corresponding to the current subframe of the serving cell is a strong subframe, then determine the corresponding serving cell of each strong subframe in the first neighboring cell Then obtain the estimated SINR value of the subframe of the determined serving cell, filter these SINR values to obtain a filtered SINR value, and obtain the CQI value according to the filtered SINR value. The UE can check the SINR value and The CQI correspondence table acquires the CQI. Since the embodiment of the present invention can obtain the ABS pattern of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell, the UE can respectively calculate the SINR values of the serving cell corresponding to the strong subframe and the weak subframe of the first neighboring cell Calculations are performed to estimate the CQIs respectively.

Step 104, end the process.

In this embodiment, if the UE judges that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, it means that the UE cannot use the ABS pattern of the first neighboring cell to perform CQI estimation, and the UE ends the procedure.

In the channel quality indicator estimation method provided by the embodiment of the present invention, the UE obtains the ABS pattern of the first neighboring cell in the neighboring cell of the current serving cell and the timing deviation between the first neighboring cell and the serving cell, and the first neighboring cell is the neighboring cell of the serving cell. The neighbor cell with the best signal quality in the cell, the ABS pattern is used to indicate the distribution position of the strong subframe and the weak subframe in the time domain, when the UE judges that the signal quality change of the serving cell matches the ABS pattern of the first neighbor cell, CQI estimation is performed according to the ABS pattern of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell, and the SINR value can be obtained respectively according to the strong subframe and weak subframe of the first neighboring cell, so that the acquired SINR The value and CQI are accurate, so that the base station can match the downlink channel to schedule data, improve the channel transmission efficiency or ensure the success rate of transmission.

The technical solution of the method embodiment shown in FIG. 1 will be described in detail below using specific embodiments.

Figure 3 is a flow chart of Embodiment 2 of the channel quality indication estimation method of the present invention. As shown in Figure 3, the method of this embodiment may include:

Step 201, the UE receives the ABS patterns of all the cells in the neighbor list of the serving cell and the timing deviations between all the cells in the neighbor list of the serving cell and the serving cell sent by the base station.

In this embodiment, the base station is configured with a neighboring cell list of each cell corresponding to the base station, and is also configured with an ABS pattern of each neighboring cell. After the UE accesses the serving cell, the UE can obtain the neighbor list of the serving cell from the base station, and the information of all the cells adjacent to the serving cell is recorded in the neighbor list of the serving cell, so that the UE can determine the current serving cell. What neighbors does the cell have? At the same time, the base station also sends the ABS patterns of all the cells in the neighbor list of the serving cell to the UE, and the base station also sends the timing deviation between all the cells and the serving cell to the UE. Accordingly, the UE can receive ABS patterns of all cells in the neighbor cell list of the serving cell and timing deviations between all cells in the neighbor cell list of the serving cell and the serving cell sent by the base station.

It should be noted that step 201 may be performed only once, and step 201 does not need to be performed every time the ABS pattern of the first neighboring cell and the timing deviation between the serving cell and the serving cell are determined.

Step 202, the UE measures the neighbor cells of the serving cell, determines the neighbor cell with the best signal quality as the first neighbor cell, and searches for the ABS pattern corresponding to the neighbor cell with the best signal quality and the neighbor cell with the best signal quality and The timing offset of the serving cell.

In this embodiment, the UE can measure all the cells in the neighbor list of the serving cell according to the neighbor list of the serving cell, obtain the measurement results of each neighbor cell, and obtain the signal quality of each neighbor cell according to the measurement results, for example : The signal quality of the neighboring cell can be represented by measuring the CPICH RSCP or CPICH Ec/No or path loss of each neighboring cell, which is not limited in this embodiment of the present invention. According to the measurement results of each neighbor cell, the UE can determine which neighbor cell has the best signal quality, so that the UE can determine the neighbor cell with the best signal quality as the first neighbor cell, since the UE has obtained the neighbor cell list from the base station The ABS patterns of all the cells and the timing offset between each neighboring cell and the serving cell, so the UE can determine the ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell according to the identification information of the first neighboring cell.

Step 203, the UE judges whether the signal quality of the serving cell changes periodically within the first preset time; if the UE judges that the signal quality of the serving cell changes periodically within the first preset time, then perform step 204; if the UE If it is judged that the signal quality of the serving cell does not change periodically within the first preset time, step 213 is executed.

In this embodiment, the UE can measure the signal quality of the serving cell and obtain the change of the signal quality. For example, the UE can obtain the change of the signal quality within a preset time, that is, the signal quality within the preset time Which subframes have good signal quality, and which subframes have poor signal quality within the preset time, for example: the CPICH Ec/No of the serving cell can be used to represent the signal quality of the serving cell, the embodiment of the present invention is here No restrictions. After the UE obtains the change of the signal quality of the serving cell, it determines whether the signal quality of the serving cell changes periodically within the first preset time, that is, it determines whether the signal quality change of the serving cell is within the first preset time. Whether the next first preset time is the same, and whether the next first preset time is the same, and so on; if so, the UE judges that the signal quality of the serving cell changes periodically within the first preset time, and also That is, the signal quality changes of the UE within each first preset time are the same, so that the UE can determine that the first preset time is the signal quality change period of the serving cell, and then perform step 204; if not, the UE determines that the serving cell If the signal quality of the cell does not change periodically within the first preset time, it means that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, and step 213 is executed.

Step 204, the UE determines whether the first preset time is the same as the change period of the ABS pattern of the first neighboring cell; if the UE determines that the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, then execute step 205; If the UE determines that the first preset time is different from the changing period of the ABS pattern of the first neighboring cell, step 213 is executed.

In this embodiment, the UE determines that the signal quality of the serving cell changes periodically within the first preset time, and after determining that the first preset time is the change period of the signal quality of the serving cell, the UE may determine the first preset Whether the time is the same as the change period of the ABS pattern of the first adjacent cell, wherein the change period of the ABS pattern is: if the distribution of the strong subframe and the weak subframe in the time domain are the same in the preset time ABS pattern, then That is, the distribution of strong subframes and weak subframes in the ABS pattern in the time domain is the same within each preset time, so it can be determined that the preset time is the change period of the ABS pattern. Then the UE determines whether the first preset time (the change period of the signal quality of the serving cell) is the same as the change period of the ABS pattern; if the UE determines that the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, then Execute step 205; if the UE determines that the first preset time is not the same as the change period of the ABS pattern of the first neighboring cell, it means that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, then execute step 213.

It should be noted that if the UE determines that the change period of the ABS pattern of the first neighboring cell within the first preset time is the same as that of the ABS pattern of the first neighboring cell, it can be considered that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, or, if the UE It is determined that the first preset time is the same as the changing period of the ABS pattern of the first neighboring cell. Further, step 205 may be performed to determine that the first preset time is the same as the changing period of the ABS pattern of the first neighboring cell.

Step 205. According to the timing offset value between the first neighboring cell and the serving cell, the UE determines that there is a first time corresponding to the weak subframe in the ABS pattern of the first neighboring cell within the change period of the signal quality of the serving cell, and there is The second time corresponding to the strong subframe in the ABS pattern of the first neighboring cell.

Wherein, the change period of the signal quality of the serving cell is the first preset time, the first time is the occurrence time of the first signal quality, the second time is the occurrence time of the second signal quality, and the first signal quality is the The average value of the signal quality of the serving cell that is greater than the first preset value within the change period of the signal quality, and the second signal quality is the average value of the signal quality of the serving cell that is less than the second preset value within the change period of the signal quality of the serving cell Average value, the first preset value is greater than the second preset value.

In this embodiment, after the UE determines that the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, the UE needs to determine whether the time when the signal quality of the serving cell is good within the first preset time is consistent with the ABS pattern. Corresponding to the weak subframe, and judging whether the time when the poor signal quality of the serving cell occurs within the first preset time corresponds to the strong subframe in the ABS pattern.

Specifically, the UE uses the signal qualities of the serving cells greater than the first preset value within the change period of the signal quality of the serving cell for calculation, and obtains an average value of these signal qualities, which may be called the first signal Quality, the first signal quality is used to indicate that the signal quality is good; the UE uses the signal quality of the serving cell that is less than the second preset value within the change period of the signal quality of the serving cell for calculation, and obtains an average value of these signal qualities , the average value can be referred to as the second signal quality, the second signal quality is used to indicate the poor signal quality; and the first preset value is greater than the second preset value, and then UE For the quality change, the time when the first signal quality occurs within the signal quality change period of the serving cell can be obtained. This time can be called the first time. At the same time, the change of the second signal quality in the signal quality of the serving cell can also be obtained. The time that occurs within the period may be called the second time; that is, the first time is the time when the signal quality of the serving cell is good, and the second time is the time when the signal quality of the serving cell is poor. It should be noted that the first preset time and the second preset time are determined according to actual application scenarios, which are not limited in this embodiment of the present invention.

Then the UE synchronizes the time of the serving cell and the first neighboring cell according to the timing deviation between the first neighboring cell and the serving cell. The UE then judges whether the first time corresponds to the weak subframe of the first neighboring cell, and if so, the UE may determine that there is a weak subframe corresponding to the weak subframe in the ABS pattern of the first neighboring cell within the change period of the signal quality of the serving cell. If not at the first time, it can be considered that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, and the UE ends the operation. The UE then judges whether the second time corresponds to the strong subframe of the first neighboring cell, and if so, the UE can determine that there is a strong subframe corresponding to the strong subframe in the ABS pattern of the first neighboring cell within the change period of the signal quality of the serving cell. At the second time, if not, it can be considered that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, and the UE ends the operation. That is, when the UE determines that there is a first time corresponding to a weak subframe in the ABS pattern of the first neighboring cell within the change period of the signal quality of the serving cell, and there is a strong subframe corresponding to the ABS pattern of the first neighboring cell Corresponding to the second time, the UE may determine that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell. Furthermore, the UE may also execute step 206 before determining that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell.

Step 206, the UE determines whether the difference between the first signal quality and the second signal quality is greater than a third preset value; if the UE determines that the difference between the first signal quality and the second signal quality is greater than the third preset value, then execute step 207; If the UE determines that the difference between the first signal quality and the second signal quality is not greater than a third preset value, the UE performs step 213 .

In this embodiment, after the UE determines the first signal quality and the second signal quality, and the first signal quality is used to indicate that the signal quality of the serving cell is good, and the second signal quality is used to indicate that the signal quality of the serving cell is poor, the UE Then judge whether the difference between the first signal quality and the second signal quality is greater than the third preset value; if the UE determines that the difference between the first signal quality and the second signal quality is greater than the third preset value, then perform step 207; if the UE If it is determined that the difference between the first signal quality and the second signal quality is not greater than the third preset value, it means that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, and the UE performs step 213 . It should be noted that the third preset value may be determined according to an actual practical scenario, which is not limited in this embodiment of the present invention.

It should be noted that step 205 may be performed simultaneously with step 206, or may be performed after step 206, which is not limited in this embodiment of the present invention.

Step 207, the UE determines that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell.

In this embodiment, preferably, after the UE performs step 205 and determines that the difference between the first signal quality and the second signal quality is greater than a third preset value, the UE can determine that the signal quality change of the serving cell is different from that of the first neighboring cell. If the ABS pattern matches, the UE can estimate the CQI according to the ABS pattern.

Step 208, the UE obtains the SINR value corresponding to the current subframe.

In this embodiment, the UE acquires the SINR value corresponding to the current subframe of the serving cell; it should be noted that step 207 may be performed simultaneously with step 208, or may be performed after step 208, which is not limited in this embodiment of the present invention.

Step 209, UE judges that the current subframe corresponds to a strong subframe or a weak subframe in the ABS pattern of the first neighboring cell according to the current subframe and the timing deviation between the first neighboring cell and the serving cell; if the UE judges that the current subframe corresponds to If the strong subframe in the ABS pattern of the first neighboring cell is strong, execute step 210; if the UE determines that the current subframe corresponds to a weak subframe in the ABS pattern of the first neighboring cell, execute step 211.

In this embodiment, the UE synchronizes the time of the serving cell and the first neighboring cell according to the timing deviation between the first neighboring cell and the serving cell, and then determines the first neighboring cell corresponding to the current subframe of the serving cell according to the current subframe. According to the ABS pattern of the first neighboring cell, it is judged whether the subframe of the first neighboring cell corresponding to the current subframe of the serving cell is a strong subframe or a weak subframe in the ABS pattern of the first neighboring cell. If the subframe of the first neighboring cell corresponding to the current subframe of the serving cell is a strong subframe in the ABS pattern of the first neighboring cell, it means that the current subframe corresponds to a strong subframe in the ABS pattern of the first neighboring cell, then execute Step 210: If the subframe of the first neighboring cell corresponding to the current subframe of the serving cell is a weak subframe in the ABS pattern of the first neighboring cell, it means that the current subframe corresponds to the weak subframe of the ABS of the first neighboring cell , then step 211 is executed.

Step 210, UE filters the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive strong subframes of the current subframe according to the ABS pattern of the first neighboring cell, and obtains the filtered SINR value, where N is greater than or equal to A positive integer of 0.

In this embodiment, the UE judges that the current subframe corresponds to the strong subframe in the ABS pattern of the first neighboring cell, and then the UE can determine that the current subframe corresponds to the strong subframe in the ABS pattern of the first neighboring cell according to the ABS pattern of the first neighboring cell. There are N consecutive strong subframes in front of the frame, where N is a positive integer greater than or equal to 0. If the previous subframe of the strong subframe in the ABS pattern of the current subframe corresponding to the first neighboring cell is a weak subframe, it can be determined that there are 0 consecutive of hadron frames. If the current subframe corresponds to the previous subframe of the strong subframe in the ABS pattern of the first neighboring cell is a strong subframe, the current subframe corresponds to the previous subframe of the previous subframe of the strong subframe in the ABS pattern of the first neighboring cell If the frame is a weak subframe, it can be determined that there is one continuous strong subframe before the strong subframe in the ABS pattern corresponding to the first neighboring cell of the current subframe. If the current subframe corresponds to the previous subframe of the strong subframe in the ABS pattern of the first neighboring cell is a strong subframe, the current subframe corresponds to the previous subframe of the previous subframe of the strong subframe in the ABS pattern of the first neighboring cell If the frame is a strong subframe, it can be determined that there are at least 2 consecutive strong subframes in front of the strong subframe in the ABS pattern corresponding to the first neighboring cell of the current subframe, and so on, and the embodiments of the present invention will not be described in detail here .

After the UE determines that the current subframe has the first N consecutive strong subframes in the ABS pattern of the first neighboring cell, the UE compares the SINR values of the current subframe’s previous N consecutive subframes in the serving cell with the current subframe’s SINR The value is filtered to obtain a filtered SINR value, for example, smoothing filtering can be performed.

Step 211 , the UE performs filtering processing on the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive weak subframes of the current subframe according to the ABS pattern of the first neighboring cell, to obtain the filtered SINR value.

In this embodiment, the UE judges that the current subframe corresponds to a weak subframe in the ABS pattern of the first neighboring cell, and then the UE can determine that the current subframe corresponds to the weak subframe in the ABS pattern of the first neighboring cell according to the ABS pattern of the first neighboring cell. There are N consecutive weak subframes in front of the frame, where N is a positive integer greater than or equal to 0. If the previous subframe of the weak subframe in the ABS pattern corresponding to the first adjacent cell of the current subframe is a strong subframe, it can be determined that there are 0 consecutive of weak subframes. If the current subframe corresponds to the previous subframe of the weak subframe in the ABS pattern of the first neighboring cell is a weak subframe, the current subframe corresponds to the previous subframe of the strong subframe in the ABS pattern of the first neighboring cell If the frame is a strong subframe, it can be determined that there is one consecutive weak subframe before the weak subframe in the ABS pattern corresponding to the first neighboring cell of the current subframe. If the current subframe corresponds to the previous subframe of the weak subframe in the ABS pattern of the first neighboring cell is a weak subframe, the current subframe corresponds to the previous subframe of the previous subframe of the weak subframe in the ABS pattern of the first neighboring cell frame is a weak subframe, it can be determined that there are at least 2 consecutive weak subframes in front of the weak subframe in the ABS pattern corresponding to the first neighboring cell of the current subframe, and so on, and the embodiments of the present invention will not be described in detail here .

After the UE determines that the current subframe has the first N consecutive weak subframes in the ABS pattern of the first neighboring cell, the UE compares the SINR values of the current subframe’s previous N consecutive subframes in the serving cell with the current subframe’s SINR The value is filtered to obtain a filtered SINR value, for example, smoothing filtering can be performed.

Step 212, the UE determines the CQI according to the filtered SINR value.

In this embodiment, after the UE obtains the filtered SINR value by performing step 210 or step 211, the UE can determine the CQI according to the filtered SINR value. CQI.

Step 213, end the process.

In this embodiment, if the UE judges that the signal quality of the serving cell does not change periodically within the first preset time, it means that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, and the UE ends process. Alternatively, if the UE determines that the first preset time is different from the change period of the ABS pattern of the first neighboring cell, it means that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, and the UE ends the process. Alternatively, if the UE determines that the difference between the first signal quality and the second signal quality is not greater than the third preset value, it means that the signal quality change of the serving cell does not match the ABS pattern of the first neighboring cell, and the UE ends the process.

In the channel quality indication estimation method provided in Embodiment 2 of the present invention, the UE receives the ABS patterns of all the cells in the neighbor list of the serving cell sent by the base station and the timing deviation between all the cells in the neighbor list of the serving cell and the serving cell, Obtain the ABS pattern of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell, and then determine that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; when the UE judges that the current subframe corresponds to the first neighboring cell When there is a strong subframe in the ABS pattern of the first neighboring cell, the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive strong subframes of the current subframe are filtered according to the ABS pattern of the first neighboring cell to obtain the filtered SINR value; when the UE judges that the current subframe corresponds to the weak subframe in the ABS pattern of the first neighboring cell, it compares the SINR value corresponding to the current subframe with the previous N consecutive weak subframes of the current subframe according to the ABS pattern of the first neighboring cell The SINR value of the frame is filtered to obtain the filtered SINR value; finally, the UE determines the CQI according to the filtered SINR value. It is realized that the SINR value can be obtained separately according to the strong subframe and weak subframe of the first neighboring cell, so that the obtained SINR value and CQI are accurate, so that the base station can match the downlink channel to schedule data, improve channel transmission efficiency or guarantee transmission success rate.

Fig. 4 is a flow chart of Embodiment 3 of the channel quality indication estimation method of the present invention. As shown in Fig. 4, the difference between this embodiment and the embodiment shown in Fig. 2 is that the UE acquires the ABS pattern of the first neighboring cell and the first neighboring cell The way of timing deviation from the serving cell, the method of this embodiment may include:

In step 301, the UE measures neighboring cells of the serving cell, and determines the neighboring cell with the best signal quality as the first neighboring cell.

In this embodiment, the base station is configured with the neighbor list of each cell corresponding to the base station. After the UE accesses the serving cell, the UE can obtain the neighbor list of the serving cell from the base station. In the neighbor list of the serving cell The information of all the cells adjacent to the serving cell is recorded, so that the UE can determine which neighboring cells the current serving cell has, and then the UE can measure the neighboring cells of the serving cell, obtain the measurement results of each neighboring cell, and according to the measurement results The signal quality of each neighboring cell can be obtained, for example: the signal quality of the neighboring cell can be represented by measuring the CPICH RSCP or CPICH Ec/No or path loss of each neighboring cell, which is not limited in this embodiment of the present invention. According to the measurement results of each neighboring cell, the UE can determine which neighboring cell has the best signal quality, so that the UE can determine the neighboring cell with the best signal quality as the first neighboring cell.

In step 302, the UE sends a measurement report to the base station, where the measurement report includes identification information of the first neighboring cell.

Step 303, the UE receives the ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell sent by the base station.

In this embodiment, after the UE determines the first neighboring cell with the best signal quality, it sends a measurement report to the base station, and the measurement report includes the identification information of the first neighboring cell, so that the base station can determine the A neighboring cell is a neighboring cell with the best signal quality of the serving cell accessed by the UE. At the same time, the base station is configured with the ABS pattern of each neighboring cell. The base station can determine the identification information of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell according to the identification information of the first neighboring cell, and then the UE can receive the information sent by the base station. The ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell.

Step 304, the UE judges whether the signal quality of the serving cell changes periodically within the first preset time; if the UE judges that the signal quality of the serving cell changes periodically within the first preset time, then perform step 305; if the UE If it is judged that the signal quality of the serving cell does not change periodically within the first preset time, step 314 is executed.

Step 305, the UE determines whether the first preset time is the same as the changing period of the ABS pattern of the first neighboring cell; if the UE determines that the first preset time is the same as the changing period of the ABS pattern of the first neighboring cell, then execute step 306; If the UE determines that the first preset time is different from the changing period of the ABS pattern of the first neighboring cell, step 314 is performed.

Step 306. According to the timing deviation value between the first neighboring cell and the serving cell, the UE determines that there is a first time corresponding to the weak subframe in the ABS pattern of the first neighboring cell within the change period of the signal quality of the serving cell, and there is The second time corresponding to the strong subframe in the ABS pattern of the first neighboring cell.

Wherein, the change period of the signal quality of the serving cell is the first preset time, the first time is the occurrence time of the first signal quality, the second time is the occurrence time of the second signal quality, and the first signal quality is the The average value of the signal quality of the serving cell that is greater than the first preset value within the change period of the signal quality, and the second signal quality is the average value of the signal quality of the serving cell that is less than the second preset value within the change period of the signal quality of the serving cell Average value, the first preset value is greater than the second preset value.

Step 307, the UE determines whether the difference between the first signal quality and the second signal quality is greater than a third preset value; if the UE determines that the difference between the first signal quality and the second signal quality is greater than the third preset value, then execute step 308; If the UE determines that the difference between the first signal quality and the second signal quality is not greater than a third preset value, the UE performs step 314 .

Step 308, the UE determines that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell.

Step 309, the UE obtains the SINR value corresponding to the current subframe.

Step 310, UE judges that the current subframe corresponds to a strong subframe or a weak subframe in the ABS pattern of the first neighboring cell according to the current subframe and the timing deviation between the first neighboring cell and the serving cell; if the UE judges that the current subframe corresponds to If the strong subframe in the ABS pattern of the first neighboring cell is strong, execute step 311; if the UE determines that the current subframe corresponds to a weak subframe in the ABS pattern of the first neighboring cell, execute step 312.

Step 311, UE filters the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive strong subframes of the current subframe according to the ABS pattern of the first neighboring cell, and obtains the filtered SINR value, where N is greater than or equal to A positive integer of 0.

Step 312 , the UE performs filtering processing on the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive weak subframes of the current subframe according to the ABS pattern of the first neighboring cell, to obtain the filtered SINR value.

Step 313, the UE determines the CQI according to the filtered SINR value.

Step 314, end the process.

In this embodiment, the implementation process of steps 304 to 314 in this embodiment is similar to the implementation process of steps 203 to 213 in the second embodiment of the present invention. For details, please refer to the relevant records in the above-mentioned embodiments. The embodiment of the present invention I won't repeat them here.

In the channel quality indication estimation method provided by Embodiment 3 of the present invention, the UE determines the first neighboring cell, sends a measurement report to the base station, the measurement report includes the identification information of the first neighboring cell, and the UE receives the first neighboring cell sent by the base station The ABS pattern of the first neighboring cell and the timing deviation of the serving cell; then determine that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; when the UE judges that the current subframe corresponds to the strong ABS pattern of the first neighboring cell In a subframe, according to the ABS pattern of the first neighboring cell, the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive strong subframes of the current subframe are filtered to obtain the filtered SINR value; when the UE judges that the current When the subframe corresponds to a weak subframe in the ABS pattern of the first neighboring cell, filter the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive weak subframes of the current subframe according to the ABS pattern of the first neighboring cell processing to obtain the filtered SINR value; finally, the UE determines the CQI according to the filtered SINR value. It is realized that the SINR value can be obtained separately according to the strong subframe and weak subframe of the first neighboring cell, so that the obtained SINR value and CQI are accurate, so that the base station can match the downlink channel to schedule data, improve channel transmission efficiency or guarantee transmission success rate.

FIG. 5 is a flow chart of Embodiment 4 of the method for estimating a channel quality indicator according to the present invention. As shown in FIG. 5, the method of this embodiment may include:

Step 401, the base station determines the current serving cell accessed by the UE.

In this embodiment, when the UE moves to a cell, and when the UE needs to perform business, the UE will establish a service connection with the cell, then the cell is the serving cell of the UE, and each cell has its own characteristics that are different from other cells. In this case, the cell interoperation processing device may determine which cell is the serving cell accessed by the UE. Since the base station records the neighbor list of each cell corresponding to the base station, when the base station determines the current serving cell accessed by the UE, the base station can determine the neighbor list of the serving cell, and then can determine all the neighbor cells of the serving cell .

Step 402, the base station sends to the UE the almost blank subframe ABS pattern of the first neighboring cell in the neighboring cell of the serving cell and the timing deviation between the first neighboring cell and the serving cell, so that the UE can judge that the signal quality change of the serving cell is different from that of the first neighboring cell. Whether the ABS pattern of the cell matches; if the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, the UE performs CQI estimation based on the ABS pattern of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell.

In this embodiment, after the base station determines the current serving cell accessed by the UE and determines the list of neighboring cells of the serving cell, the base station can send the almost blank subframe ABS pattern and the first neighboring cell of the serving cell's neighboring cells to the UE. The timing deviation between a neighboring cell and the serving cell, so that the UE can judge whether the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; if the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, the UE CQI estimation is performed according to the ABS pattern of the first neighboring cell and the timing offset between the first neighboring cell and the serving cell. Among them, the first neighboring cell is the cell with the best signal quality in the neighboring cells of the serving cell, for example: the first neighboring cell is the neighboring cell with the largest CPICH RSCP or the largest CPICH Ec/No or the smallest path loss among the neighboring cells of the serving cell, It should be noted that all the parameters used to represent the signal quality of neighboring cells can be used as parameters for measuring the signal quality of neighboring cells in the embodiment of the present invention, which is not limited in this embodiment of the present invention. The ABS pattern is used to indicate the distribution positions of the strong subframe and the weak subframe in the time domain. The ABS pattern can be referred to as shown in FIG. 2 in the embodiment of the present invention, and will not be repeated here.

It should be noted that the serving cell may be a cell corresponding to a macro base station or a cell corresponding to a low-power node; the first neighboring cell may be a cell corresponding to a macro base station or a cell corresponding to a low-power node. This is not limited.

It should be noted that the UE judges whether the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; if the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, the UE then performs The pattern and the timing deviation between the first neighboring cell and the serving cell are used to estimate the CQI. For details, refer to the relevant records in any of the above-mentioned embodiments of the present invention, and the embodiments of the present invention will not be repeated here.

For example, the above-mentioned base station sends the almost blank subframe ABS pattern of the first neighboring cell in the neighboring cell of the serving cell to the UE and the timing deviation between the first neighboring cell and the serving cell may have the following specific implementation methods:

The first implementation method: the base station sends the ABS patterns of all the cells in the neighbor list of the serving cell and the timing deviation between all the cells in the neighbor list of the serving cell and the serving cell to the UE, so that the UE can know the neighbor cells of the serving cell Perform measurement, determine the neighbor cell with the best signal quality as the first neighbor cell, and find the ABS pattern corresponding to the neighbor cell with the best signal quality and the timing deviation between the neighbor cell with the best signal quality and the serving cell. Specifically, after the base station determines the neighbor list of the serving cell, the base station may send to the UE the ABS patterns of all the cells in the neighbor list of the serving cell and the timing deviations between all the cells in the neighbor list of the serving cell and the serving cell, Correspondingly, the UE may receive the ABS patterns of all the cells in the neighbor cell list of the serving cell and the timing offsets between all the cells in the neighbor cell list of the serving cell and the serving cell sent by the base station. Among them, the UE measures the neighbor cells of the serving cell, determines the neighbor cell with the best signal quality as the first neighbor cell, and searches for the ABS pattern corresponding to the neighbor cell with the best signal quality and the neighbor cell with the best signal quality and the serving cell. For the timing deviation of the cell, refer to the record in step 202 in the second embodiment of the present invention for details, and the embodiment of the present invention will not repeat it here.

The second implementation mode: the base station receives the measurement report sent by the UE, and the measurement report includes the identification information of the first neighboring cell; the base station sends the ABS pattern and the identification information of the first neighboring cell to the UE according to the identification information of the first neighboring cell in the measurement report The timing offset between the first neighboring cell and the serving cell. Specifically, the UE may measure all the cells in the neighboring cell list of the serving cell, determine the neighboring cell with the best signal quality as the first neighboring cell, and then send a measurement report to the base station, and the measurement report includes the first The identification information of the neighboring cell. The UE receives the measurement report sent by the UE. According to the measurement report, it can determine that the first neighboring cell is the neighboring cell with the best signal quality of the serving cell. At the same time, the base station is configured with ABS patterns of each neighboring cell. The base station can According to the identification information of the first neighboring cell, determine the identification information of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell, and then send the ABS pattern of the first neighboring cell and the timing of the first neighboring cell and the serving cell to the UE Correspondingly, the UE may receive the ABS pattern of the first neighboring cell and the timing deviation between the first neighboring cell and the serving cell sent by the base station.

In the channel quality indication estimation method provided by Embodiment 4 of the present invention, the base station determines the current serving cell accessed by the UE, and then sends the almost blank subframe ABS pattern of the first neighboring cell in the neighboring cells of the serving cell to the UE and the first neighboring cell Timing deviation from the serving cell, so that the UE judges whether the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; if the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, the UE The CQI is estimated from the ABS pattern of the neighboring cell and the timing deviation between the first neighboring cell and the serving cell. It is realized that the SINR value can be obtained respectively according to the strong subframe and the weak subframe of the first neighboring cell, so that the obtained SINR value and CQI are accurate, and the channel transmission efficiency is improved or the transmission success rate is ensured.

FIG. 6 is a schematic structural diagram of Embodiment 1 of the UE of the present invention. As shown in FIG. 6, the UE of this embodiment may include: an acquisition module 11, a judgment module 12, and a processing module 13, wherein the acquisition module 11 is used to acquire the current serving cell The almost blank subframe ABS pattern of the first neighboring cell in the neighboring cell and the timing deviation between the first neighboring cell and the serving cell, the first neighboring cell is the best signal quality in the neighboring cell of the serving cell cell, the ABS pattern is used to indicate the distribution positions of strong subframes and weak subframes in the time domain; the judging module 12 is used to judge whether the signal quality change of the serving cell is consistent with the ABS pattern of the first neighboring cell Matching; the processing module 13 is used for if the judging module 12 judges that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, then according to the ABS pattern of the first neighboring cell and the first neighboring cell CQI estimation is performed with a timing offset from the serving cell.

The UE in this embodiment can be used to implement the technical solutions executed by the UE in the above method embodiments of the present invention, and its implementation principle and technical effect are similar. For details, refer to the relevant records in the above method embodiments, which will not be repeated here.

FIG. 7 is a schematic structural diagram of Embodiment 2 of the UE of the present invention. As shown in FIG. 7, the UE of this embodiment is based on the device structure shown in FIG. 6, and further, in a feasible implementation manner, this embodiment The UE may further include: a receiving module 14, the receiving module 14 is used for the obtaining module 11 to obtain the almost blank subframe ABS pattern of the first neighboring cell among the neighboring cells of the current serving cell and the relationship between the first neighboring cell and the serving cell Before receiving the timing deviation of all the cells in the neighbor list of the serving cell and the timing deviation between all the cells in the neighbor list of the serving cell and the serving cell sent by the base station; the obtaining module 11 specifically It is used to measure the neighboring cells of the serving cell, determine the neighboring cell with the best signal quality as the first neighboring cell, and search for the ABS pattern corresponding to the neighboring cell with the best signal quality and the signal quality The timing offset of the best neighbor from the serving cell.

In another feasible implementation manner, the obtaining module 11 is specifically configured to measure neighboring cells of the serving cell, and determine the neighboring cell with the best signal quality as the first neighboring cell; send a measurement report to the base station, The measurement report includes the identification information of the first neighboring cell; receiving the ABS pattern of the first neighboring cell sent by the base station and the timing offset between the first neighboring cell and the serving cell.

Further, the judging module 12 may include: a first judging unit 121, a second judging unit 122, and a first determining unit 123; wherein the first judging unit 121 is used to judge whether the signal quality of the serving cell is within the first preset The second judging unit 122 is configured to determine whether the first preset time changes periodically if the first judging unit 121 judges that the signal quality of the serving cell changes periodically within the first preset time. It is the same as the change period of the ABS pattern of the first neighboring cell; the first determination unit 123 is used to determine that the first preset time is the same as the change cycle of the ABS pattern of the first neighboring cell if the second judging unit 122 determines , it is determined that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell.

Preferably, if the second judging unit 122 determines that the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, the first determining unit 123 is specifically configured to The timing deviation of the serving cell, determining that there is a first time corresponding to the weak subframe in the ABS pattern of the first neighboring cell within the change period of the signal quality of the serving cell, and there is a first time corresponding to the weak subframe in the ABS pattern of the first neighboring cell The second time corresponding to the strong subframe in the ABS pattern; then it is determined that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell; wherein, the change period of the signal quality of the serving cell is the The first preset time, the first time is the appearance time of the first signal quality, the second time is the appearance time of the second signal quality, and the first signal quality is the signal quality in the serving cell The average value of the signal quality of the serving cell that is greater than the first preset value within the change period of the change period, and the second signal quality is the signal of the serving cell that is less than the second preset value within the change period of the signal quality of the serving cell The average value of quality, the first preset value is greater than the second preset value.

Further, if the second judging unit 122 determines that the first preset time is the same as the change period of the ABS pattern of the first neighboring cell, the UE in this embodiment may further include: a third judging unit 124, wherein, The third judging unit 124 is configured to determine whether the difference between the first signal quality and the second signal quality is greater than a third preset value; the first determining unit 123 is specifically configured to if the third judging unit 124 determines that the first If the difference between the signal quality and the second signal quality is greater than a third preset value, it is determined that the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell.

Furthermore, the processing module 13 may include: an acquisition unit 131, a fourth determination unit 132, a processing unit 133, and a second determination unit 134; wherein the acquisition unit 131 is used to acquire the SINR value corresponding to the current subframe; the fourth determination unit 132 is configured to determine whether the current subframe corresponds to a strong subframe or a weak subframe in the ABS pattern of the first neighboring cell according to the current subframe and the timing deviation between the first neighboring cell and the serving cell; the processing unit 133 If the current subframe corresponds to a strong subframe in the ABS pattern of the first neighboring cell, the UE compares the SINR value corresponding to the current subframe with the current The SINR values of the first N consecutive strong subframes of the subframe are filtered to obtain the filtered SINR value, and the N is a positive integer greater than or equal to 0; if the current subframe corresponds to the ABS corresponding to the first neighboring cell Weak subframes in the pattern, the UE performs filtering processing on the SINR value corresponding to the current subframe and the SINR values of the previous N consecutive weak subframes of the current subframe according to the ABS pattern of the first neighboring cell. , to obtain a filtered SINR value; the second determining unit 134 is configured to determine the CQI according to the filtered SINR value.

The UE in this embodiment can be used to implement the technical solutions executed by the UE in the above method embodiments of the present invention, and its implementation principle and technical effect are similar. For details, refer to the relevant records in the above method embodiments, which will not be repeated here.

FIG. 8 is a schematic structural diagram of Embodiment 3 of the UE of the present invention. As shown in FIG. 8, the UE of this embodiment may include: a memory 21 and a processor 22; wherein, the memory 21 is used to store the code of the channel quality indicator estimation method; The device 22 is used to execute the code stored in the memory 21 to obtain the almost blank subframe ABS pattern of the first neighboring cell in the neighboring cell of the current serving cell and the timing deviation between the first neighboring cell and the serving cell, the first neighboring cell A neighboring cell is the cell with the best signal quality in the neighboring cells of the serving cell, and the ABS pattern is used to indicate the distribution positions of strong subframes and weak subframes in the time domain, and to judge the signal quality of the serving cell Whether the change matches the ABS pattern of the first neighboring cell, if the signal quality change of the serving cell matches the ABS pattern of the first neighboring cell, then according to the ABS pattern of the first neighboring cell and the first neighboring cell A CQI is estimated for a timing offset between a neighboring cell and the serving cell.

Further, in a feasible implementation manner, the UE in this embodiment may further include a receiver 23, wherein the processor 22 is also configured to obtain the almost blank subframe ABS of the first neighboring cell in the neighboring cells of the current serving cell Before the pattern and the timing deviation between the first neighbor cell and the serving cell, the control receiver 23 receives the ABS patterns of all the cells in the neighbor list of the serving cell and the neighbor list of the serving cell sent by the base station The timing deviation between all the cells in the cell and the serving cell; the processor 22 is specifically configured to measure the neighboring cells of the serving cell, determine the neighboring cell with the best signal quality as the first neighboring cell, and search for the The ABS pattern corresponding to the neighbor cell with the best signal quality and the timing offset between the neighbor cell with the best signal quality and the serving cell.

In another feasible implementation manner, the UE in this embodiment may further include: a receiver 23 and a transmitter 24, the processor 22 is specifically configured to measure the neighboring cells of the serving cell, and use the best signal quality The neighbor cell is determined as the first neighbor cell, the control transmitter 24 sends a measurement report to the base station, the measurement report includes the identification information of the first neighbor cell, and the control receiver 23 receives the first neighbor cell sent by the base station. The ABS pattern of the neighboring cell and the timing offset between the first neighboring cell and the serving cell.

Further, the processor 22 is specifically configured to determine whether the signal quality of the serving cell changes periodically within the first preset time; if the signal quality of the serving cell changes periodically within the first preset time, Then determine whether the first preset time is the same as the change period of the ABS pattern of the first neighboring cell; if the first preset time is the same as the change cycle of the ABS pattern of the first neighboring cell, then determine The signal quality change of the serving cell matches the ABS pattern of the first neighboring cell.

Preferably, the processor 22 is further configured to determine that, according to the timing deviation between the first neighboring cell and the serving cell, there is a signal in the ABS pattern of the first neighboring cell within the change period of the signal quality of the serving cell The first time corresponding to the weak subframe, and there is a second time corresponding to the strong subframe in the ABS pattern of the first neighboring cell, then it is determined that the signal quality change of the serving cell is different from that of the first neighboring cell ABS pattern matching; wherein, the change period of the signal quality of the serving cell is the first preset time, the first time is the occurrence time of the first signal quality, and the second time is the time of the second signal quality Occurrence time, the first signal quality is the average value of the signal quality of the serving cell greater than the first preset value within the change period of the signal quality of the serving cell, and the second signal quality is the average value of the signal quality of the serving cell in the serving cell The average value of the signal quality of the serving cells within the change period of the signal quality is less than a second preset value, and the first preset value is greater than the second preset value.

Preferably, the processor 22 is also configured to determine whether the difference between the first signal quality and the second signal quality is greater than a third preset value; if so, it means that the UE determines that the signal quality change of the serving cell is different from The ABS pattern of the first neighboring cell matches.

Further, the processor 22 is specifically configured to obtain the SINR value corresponding to the current subframe; and judge that the current subframe corresponds to the first neighboring cell according to the timing deviation between the current subframe and the first neighboring cell and the serving cell. strong subframe or weak subframe in the ABS pattern of the region; if the current subframe corresponds to the strong subframe in the ABS pattern of the first neighboring region, then the current subframe is divided according to the ABS pattern of the first neighboring region The corresponding SINR value is filtered with the SINR values of the first N consecutive strong subframes of the current subframe to obtain the filtered SINR value, and the N is a positive integer greater than or equal to 0; if the current subframe corresponds to In the weak subframe in the ABS pattern of the first neighboring cell, the SINR value corresponding to the current subframe and the previous N consecutive weak subframes of the current subframe are compared according to the ABS pattern of the first neighboring cell The SINR value is filtered to obtain a filtered SINR value; and the CQI is determined according to the filtered SINR value.

The UE in this embodiment can be used to implement the technical solutions executed by the UE in the above method embodiments of the present invention, and its implementation principle and technical effect are similar. For details, refer to the relevant records in the above method embodiments, which will not be repeated here.

Those of ordinary skill in the art can understand that all or part of the steps for implementing the above method embodiments can be completed by program instructions and related hardware. The aforementioned program can be stored in a computer-readable storage medium. When the program is executed, it executes the steps including the above-mentioned method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (14)

1. a channel quality indicator (CQI) method of estimation, is characterized in that, comprising:

User equipment (UE) obtains the almost blank subframe ABS pattern of the first adjacent area and the timing offset of described first adjacent area and described Serving cell in the adjacent area of current service cell, described first adjacent area is the community that in the adjacent area of described Serving cell, signal quality is best, and described ABS pattern is used to indicate hadron frame and the distributing position of weakon frame in time domain;

Described UE judges whether the signal quality variation of described Serving cell mates with the ABS pattern of described first adjacent area;

If the signal quality variation of described Serving cell is mated with the ABS pattern of described first adjacent area, then described UE carries out CQI estimation according to the timing offset of the ABS pattern of described first adjacent area and described first adjacent area and described Serving cell.

2. method according to claim 1, is characterized in that, described user equipment (UE) to obtain in the adjacent area of current service cell before the almost blank subframe ABS pattern of the first adjacent area and the timing offset of described first adjacent area and described Serving cell, also comprises:

Described UE receives the timing offset of the ABS pattern of all communities in the Neighboring Cell List of the described Serving cell that base station sends and all communities in the Neighboring Cell List of described Serving cell and described Serving cell;

Described user equipment (UE) obtains the almost blank subframe ABS pattern of the first adjacent area and the timing offset of described first adjacent area and described Serving cell in the adjacent area of current service cell, comprising:

Described UE measures the adjacent area to described Serving cell, adjacent area best for signal quality is defined as described first adjacent area, and searches the timing offset of ABS pattern corresponding to the best adjacent area of described signal quality and the best adjacent area of described signal quality and described Serving cell.

3. method according to claim 1, is characterized in that, described user equipment (UE) obtains the almost blank subframe ABS pattern of the first adjacent area and the timing offset of described first adjacent area and described Serving cell in the adjacent area of current service cell, comprising:

Described UE measures the adjacent area to described Serving cell, and adjacent area best for signal quality is defined as described first adjacent area;

Described UE sends measurement report to base station, and described measurement report comprises the identification information of described first adjacent area;

Described UE receives the ABS pattern of described first adjacent area and the timing offset of described first adjacent area and described Serving cell of the transmission of described base station.

4. the method according to claim 1-3 any one, is characterized in that, described UE judges whether the signal quality variation of described Serving cell mates with the ABS pattern of described first adjacent area, comprising:

Described UE judges whether the signal quality of described Serving cell is cyclic variation in the first Preset Time;

If the signal quality of described Serving cell is in cyclic variation in the first Preset Time, then described UE determines that whether described first Preset Time is identical with the period of change of the ABS pattern of described first adjacent area;

If described first Preset Time is identical with the period of change of the ABS pattern of described first adjacent area, then described UE determines that the signal quality variation of described Serving cell is mated with the ABS pattern of described first adjacent area.

5. method according to claim 4, is characterized in that, if described first Preset Time is identical with the period of change of the ABS pattern of described first adjacent area, then described method also comprises:

If described UE is according to the timing offset of described first adjacent area and Serving cell, determine to there is the very first time corresponding with the weakon frame in the ABS pattern of described first adjacent area in the period of change of the signal quality of described Serving cell, and there is second time corresponding with the hadron frame in the ABS pattern of described first adjacent area, then described UE determines that the signal quality variation of described Serving cell is mated with the ABS pattern of described first adjacent area;

Wherein, the period of change of the signal quality of described Serving cell is described first Preset Time, the described very first time is the time of occurrence of the first signal quality, described second time is the time of occurrence of secondary signal quality, described first signal quality is the mean value of the signal quality of the Serving cell being greater than the first preset value in the period of change of the signal quality of described Serving cell, described secondary signal quality is the mean value of the signal quality of the Serving cell being less than the second preset value in the period of change of the signal quality of described Serving cell, described first preset value is greater than described second preset value.

6. method according to claim 5, is characterized in that, if described first Preset Time is identical with the period of change of the ABS pattern of described first adjacent area, then described method also comprises:

Described UE determines whether the difference of described first signal quality and described secondary signal quality is greater than the 3rd preset value; If so, then represent that described UE determines that the signal quality variation of described Serving cell is mated with the ABS pattern of described first adjacent area.

7. the method according to claim 1-6 any one, is characterized in that, described UE carries out CQI estimation according to the timing offset of the ABS pattern of described first adjacent area and described first adjacent area and described Serving cell, comprising:

Described UE obtains SINR value corresponding to present sub-frame;

Described UE, according to the timing offset of present sub-frame and described first adjacent area and Serving cell, judges that described present sub-frame corresponds to hadron frame or weakon frame in the ABS pattern of described first adjacent area;

If present sub-frame corresponds to hadron frame in the ABS pattern of described first adjacent area, then the SINR value of the continuous top n hadron frame of SINR value corresponding for described present sub-frame and described present sub-frame is carried out filtering process according to the ABS pattern of described first adjacent area by described UE, obtain filtered SINR value, described N be more than or equal to 0 positive integer;

If present sub-frame is for weakon frame in the ABS pattern of the first adjacent area described in Ying Yu, then the SINR value of the continuous top n weakon frame of SINR value corresponding for described present sub-frame and described present sub-frame is carried out filtering process according to the ABS pattern of described first adjacent area by described UE, obtains filtered SINR value;

Described UE determines described CQI according to described filtered SINR value.

8. a user equipment (UE), is characterized in that, comprising:

Acquisition module, for obtain current service cell adjacent area in the almost blank subframe ABS pattern of the first adjacent area and the timing offset of described first adjacent area and described Serving cell, described first adjacent area is the community that in the adjacent area of described Serving cell, signal quality is best, and described ABS pattern is used to indicate hadron frame and the distributing position of weakon frame in time domain;

Judge module, for judging whether the signal quality variation of described Serving cell mates with the ABS pattern of described first adjacent area;

Processing module, if judge that the signal quality variation of described Serving cell is mated with the ABS pattern of described first adjacent area for described judge module, then carry out CQI estimation according to the ABS pattern of described first adjacent area and the timing offset of described first adjacent area and described Serving cell.

9. UE according to claim 8, is characterized in that, also comprises:

Receiver module, before the almost blank subframe ABS pattern of the first adjacent area in the adjacent area of described acquisition module acquisition current service cell and the timing offset of described first adjacent area and described Serving cell, receive the timing offset of the ABS pattern of all communities in the Neighboring Cell List of the described Serving cell that base station sends and all communities in the Neighboring Cell List of described Serving cell and described Serving cell;

Described acquisition module is specifically for measuring the adjacent area of described Serving cell, adjacent area best for signal quality is defined as described first adjacent area, and searches the timing offset of ABS pattern corresponding to the best adjacent area of described signal quality and the best adjacent area of described signal quality and described Serving cell.

10. UE according to claim 8, is characterized in that, adjacent area best for signal quality, specifically for measuring the adjacent area of described Serving cell, is defined as described first adjacent area by described acquisition module; Send measurement report to base station, described measurement report comprises the identification information of described first adjacent area; Receive the ABS pattern of described first adjacent area and the timing offset of described first adjacent area and described Serving cell of the transmission of described base station.

11. UE according to Claim 8 described in-10 any one, it is characterized in that, described judge module, comprising:

First judging unit, for judging whether the signal quality of described Serving cell is cyclic variation in the first Preset Time;

Second judging unit, if judge that the signal quality of described Serving cell is cyclic variation in the first Preset Time for described first judging unit, then determines that whether described first Preset Time is identical with the period of change of the ABS pattern of described first adjacent area;

First determining unit, if determine that described first Preset Time is identical with the period of change of the ABS pattern of described first adjacent area for described second judging unit, then determines that the signal quality variation of described Serving cell is mated with the ABS pattern of described first adjacent area.

12. UE according to claim 11, it is characterized in that, if described second judging unit determines that described first Preset Time is identical with the period of change of the ABS pattern of described first adjacent area, if then described first determining unit is specifically for the timing offset according to described first adjacent area and Serving cell, determine to there is the very first time corresponding with the weakon frame in the ABS pattern of described first adjacent area in the period of change of the signal quality of described Serving cell, and there is second time corresponding with the hadron frame in the ABS pattern of described first adjacent area; Then determine that the signal quality variation of described Serving cell is mated with the ABS pattern of described first adjacent area;

Wherein, the period of change of the signal quality of described Serving cell is described first Preset Time, the described very first time is the time of occurrence of the first signal quality, described second time is the time of occurrence of secondary signal quality, described first signal quality is the mean value of the signal quality of the Serving cell being greater than the first preset value in the period of change of the signal quality of described Serving cell, described secondary signal quality is the mean value of the signal quality of the Serving cell being less than the second preset value in the period of change of the signal quality of described Serving cell, described first preset value is greater than described second preset value.

13. UE according to claim 12, is characterized in that, if described second judging unit determines that described first Preset Time is identical with the period of change of the ABS pattern of described first adjacent area, then described UE also comprises:

3rd judging unit, for determining whether the difference of described first signal quality and described secondary signal quality is greater than the 3rd preset value;

If specifically for described 3rd judging unit, described first determining unit determines that the difference of described first signal quality and described secondary signal quality is greater than the 3rd preset value, then determine that the signal quality variation of described Serving cell is mated with the ABS pattern of described first adjacent area.

14. UE according to Claim 8 described in-13 any one, it is characterized in that, described processing module comprises:

Acquiring unit, for obtaining SINR value corresponding to present sub-frame;

4th judging unit, for the timing offset according to present sub-frame and described first adjacent area and Serving cell, judges that described present sub-frame corresponds to hadron frame or weakon frame in the ABS pattern of described first adjacent area;

Processing unit, if correspond to hadron frame in the ABS pattern of described first adjacent area for present sub-frame, then the SINR value of the continuous top n hadron frame of SINR value corresponding for described present sub-frame and described present sub-frame is carried out filtering process according to the ABS pattern of described first adjacent area by described UE, obtain filtered SINR value, described N be more than or equal to 0 positive integer; If present sub-frame is for weakon frame in the ABS pattern of the first adjacent area described in Ying Yu, then the SINR value of the continuous top n weakon frame of SINR value corresponding for described present sub-frame and described present sub-frame is carried out filtering process according to the ABS pattern of described first adjacent area by described UE, obtains filtered SINR value;

Second determining unit, for determining described CQI according to described filtered SINR value.