CN101426225B - Method for uploading channel quality indication report by terminal - Google Patents
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- CN101426225B CN101426225B CN2008101826117A CN200810182611A CN101426225B CN 101426225 B CN101426225 B CN 101426225B CN 2008101826117 A CN2008101826117 A CN 2008101826117A CN 200810182611 A CN200810182611 A CN 200810182611A CN 101426225 B CN101426225 B CN 101426225B
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Abstract
The present invention discloses a method for reporting channel quality indication report by terminal, wherein the method comprises the following procedures: selecting one or a plurality of modes from a full-bandwidth reporting mode, a terminal selection reporting mode and a high-level collocation reporting mode; selecting a reporting unit according to the selected reporting mode; transmitting the channel quality indication report by the terminal to a base station with the selected reporting mode and the selected reporting unit; wherein the full-bandwidth reporting mode is a mode that the terminal reports a whole channel quality condition of one period of continuous bandwidth. The terminal selection reporting mode is a mode that the terminal selects a component carrier frequency or sub-band with best channel quality for reporting according to the channel quality condition of component carrier frequency in the used component carrier frequency. The high-level collocation reporting mode is a mode that the terminal feeds back the channel quality condition of component carrier frequency or sub-band which is requested for being fed back by the base station collocation. The application of the method according to the invention settles the problem that the method of traditional CQI report in the condition of large bandwidth of LTE-A, etc can not be satisfied.
Description
Technical Field
The invention relates to the field of mobile wireless communication, in particular to a method for reporting a channel quality indication report by a terminal.
Background
LTE-A (Further Advances for E-UTRA) is an evolved version of LTE (Long term evolution) Release-8. Unless 3GPP TR is met or exceeded, no clear 25.913: all the Requirements of "Requirements for Evolved-Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access (E-UTRAN)", as well as the Requirements of the IMT-Advanced (Advanced international mobile telecommunications) system proposed by ITU-R. Wherein, the requirement of backward compatibility with LTE Release-8 refers to that: the terminal of LTE Release-8 can work in an LTE-Advanced network; the terminal of LTE-Advanced can work in the network of LTE Release-8. In LTE Release-8, 6 bandwidths are defined: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20 MHz; however, LTE-Advanced should be able to operate with different size spectrum configurations, including wider spectrum configurations (e.g., up to 100MHz of spectrum resources) than LTE Release-8, to achieve higher performance and target peak rates. There are many possible situations how to acquire and use such a large bandwidth spectrum, and aggregation by component carrier frequency (carrier or spectrum) is not avoided, including using a continuous, non-continuous component carrier frequency (carrier or spectrum) aggregation manner.
A Channel Quality Indicator (CQI) report is a feedback of Quality information of a downlink Channel, and a system performs operations such as scheduling, AMC (Adaptive modulation and Coding), interference management, and power control through the information, so as to achieve the purpose of improving system performance. In LTE, there are three reporting modes of wideband CQI reporting, UE (User Equipment, terminal) CQI report selection, and high-level CQI report configuration, and each reporting mode corresponds to several combined reporting modes according to PMI (Precoding Matrix Indicator) feedback types (as shown in fig. 1). However, the CQI reporting method of LTE cannot meet the requirements of LTE-A due to the large bandwidth of LTE-A and the like.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for reporting a channel quality indication report by a terminal, which solves the problem that the conventional CQI reporting method cannot meet the requirement under the condition of large bandwidths such as LTE-a.
In order to solve the above problem, the present invention provides a method for a terminal to report a channel quality indication report, including,
selecting one or more of a full bandwidth reporting mode, a terminal selection reporting mode and a high-level configuration reporting mode;
selecting a reporting unit according to the selected reporting mode;
the terminal sends a channel quality indication report to the base station by the selected reporting unit according to the selected reporting mode;
wherein,
the full bandwidth reporting mode refers to that the terminal reports the overall channel quality condition of a section of continuous bandwidth;
the terminal selects the reporting mode, namely the terminal selects the component carrier frequency or the sub-band with the best channel quality to report according to the channel quality condition of the component carrier frequency in the used component carrier frequencies;
the high-level configuration reporting mode refers to that the terminal feeds back the channel quality condition on the component carrier frequency or the sub-band required to be fed back by the base station configuration.
Further, the method may further include that the selected reporting unit includes: one or more of full bandwidth, component carrier frequency, and sub-band;
the sub-band is composed of k continuous resource blocks, and k is a positive integer.
Further, the method may further include that the reporting, by the terminal, the overall channel quality of the bandwidth used by the terminal includes: the terminal reports the average value of the channel quality indications of all the component carrier frequencies used by the terminal;
or, the terminal reports the channel quality indication values of all component carrier frequencies used by the terminal by taking the component carrier frequencies as units.
Further, the method may further include that the reporting, by using the component carrier frequency as a unit, the value of the channel quality indication of all the component carrier frequencies used by the terminal refers to reporting, by using the component carrier frequency as a unit, the value of the channel quality indication of the full bandwidth of each used component carrier frequency by the terminal;
or, the terminal reports the value and the position of the channel quality indication of the M subbands with the best channel quality of each used component carrier frequency, where M is a positive integer, by using the component carrier frequency as a unit.
Further, the method may further include that the terminal selects the component carrier frequency with the best channel quality to report according to the channel quality condition of the component carrier frequencies in use, where the terminal reports the channel quality indication values and component carrier frequency sequence numbers of I component carrier frequencies with the best channel quality in the component carrier frequencies in use, and I is a positive integer;
the terminal selects the sub-band with the best channel quality to report according to the channel quality condition of the component carrier frequency in the used component carrier frequencies, namely, the terminal reports the channel quality indication value and position of the M sub-bands with the best channel quality in the used component carrier frequencies, wherein M is a positive integer.
Further, the method may further include that the terminal reports a value of channel quality indication of I component carrier frequencies with the best channel quality among the used component carrier frequencies, where the value is a value of channel quality indication of a full bandwidth of each reported component carrier frequency;
or, the terminal reports the value of the channel quality indication of the I component carrier frequencies with the best channel quality among the used component carrier frequencies, where the value and the position of the channel quality indication of the M sub-bands with the best channel quality among the I component carrier frequencies with the best reported channel quality are the values and the positions, and M is a positive integer.
Further, the method may further include, when the base station is configured to require feedback of channel quality conditions for only one component carrier frequency,
the terminal reports the value of the full-bandwidth channel quality indication in the component carrier frequency;
or the terminal reports the values and positions of the channel quality indications of the M sub-bands with the best channel quality in the component carrier frequency, wherein M is a positive integer;
or the terminal reports the value of the channel quality indication of the specific sub-band in the component carrier frequency which is required to be fed back by the base station configuration.
Further, the method may further include, when the base station is configured to require feedback of channel quality conditions for feeding back a plurality of component carrier frequencies,
the terminal feeds back the average value of the channel quality indications of the used multiple component carrier frequencies;
or, the terminal reports the value of the channel quality indication of each component carrier frequency to be fed back by taking the component carrier frequency as a unit;
or the terminal reports the channel quality indication condition of the I component carrier frequencies with the best channel quality in the component carrier frequencies to be fed back, wherein I is a positive integer;
or the terminal reports the values and positions of the channel quality indications of the M sub-bands with the best channel quality in each used component carrier frequency, wherein M is a positive integer;
or the terminal reports the channel quality indication value of a specific sub-band in the component carrier frequency required to be fed back by the base station configuration.
Further, the method may further include that the reporting, by the terminal, of the channel quality condition of the I component carrier frequencies with the best channel quality in the component carrier frequencies to be fed back by the terminal means that the terminal reports the value of the full-bandwidth channel quality indication and the component carrier frequency sequence number on the best I component carrier frequencies;
or, the reporting, by the terminal, of the channel quality conditions of the I component carrier frequencies with the best channel quality among the component carrier frequencies to be fed back by the terminal means that the terminal reports values and positions of channel quality indications of M sub-bands with the best channel quality on the I component carrier frequencies, where M is a positive integer.
Further, the method may further include that the value of the channel quality indicator is an absolute value of the channel quality indicator or a relative value of the channel quality indicator, where the relative value of the channel quality indicator is a differential value of an average channel quality indicator.
Compared with the prior art, the method of the invention is adopted, so that the base station system can timely obtain the channel quality condition information, and the system performance can be ensured to be optimal by carrying out operations such as scheduling, AMC, interference management, power control and the like according to the obtained information; the method can meet the characteristics of LTE-A carrier frequency (frequency spectrum), fully feed back the overall condition of the frequency spectrum, the respective conditions of the channel quality of a plurality of frequency bands and the feedback of channel quality information of each level, is compatible with the UE operation mode of LTE, and meets the continuous and discontinuous frequency spectrum convergence mode of large bandwidth of the LTE-A.
Drawings
Fig. 1 is a schematic diagram of CQI reporting mode of current LTE systems;
FIG. 2 is a diagram illustrating a CQI reporting method of the LTE-A system of the present invention;
fig. 3 is a schematic diagram of a combination of CQI reporting methods of the LTE-a system according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The basic unit of the channel quality reporting mode is composed of one or more of full bandwidth, component carrier frequency and sub-band.
The sub-band is divided into a plurality of sub-bands according to the sequence of the resource blocks for each used component carrier frequency, wherein each sub-band is composed of k continuous resource blocks in the component carrier frequency, and k is a positive integer.
The channel quality reported by the terminal can be a periodic report or an aperiodic report.
The periodic report means that the UE periodically feeds back the channel quality condition of the component carrier frequency used by the UE to an eNB (base station); the aperiodic report refers to that the UE occasionally feeds back the channel quality condition of the component carrier frequency used by the UE to the eNB (base station) as required.
In LTE-a, the mode for reporting channel quality by a terminal includes one or more of full bandwidth reporting, UE selection reporting, and high-level configuration reporting. When reporting channel quality, selecting a reporting mode, and selecting a reporting unit adapted to the reporting mode, wherein the selection principle of the reporting unit is as follows: the reporting unit cannot be larger than the measured bandwidth, and the reporting unit is determined by a corresponding scene.
As shown in fig. 2, according to the spectrum characteristics of LTE-a, the present invention provides a method for a terminal to report a channel quality indication report.
Example 1:
channel quality indication reporting method procedures.
After receiving the message requiring feedback of the link channel quality indication, the UE first determines the periodicity of the report, where the report may be periodic or aperiodic, and the aperiodic report is usually triggered by an event for timely knowing the link channel quality information. Then, a CQI reporting mode method of LTE-a is determined according to a message (physical layer signaling or high layer signaling), where a basic unit of reporting may be a component carrier frequency level or a sub-band level, the component carrier frequency level reports using a component carrier frequency as a basic unit of reporting, the sub-band level mode is to sequentially divide a used component carrier frequency into sub-bands according to a sequence number of a resource block, and the sub-bands are used as basic units of reporting to perform feedback of CQI, and the reporting mode may be full bandwidth reporting, or UE selection reporting, or high layer configuration reporting, where a specific combination of reports may be shown in fig. 3. After the specific reporting method is clarified, the UE measures and collects the relevant channel quality information, and then feeds back a corresponding CQI value to the eNB (base station) in a signaling manner. And after receiving the channel quality indication message, the eNB (base station) performs relevant processing.
The value of the CQI is the absolute value of the CQI or the relative value of the CQI, wherein the relative value of the CQI is the differential value of the average channel quality indication.
Example 2
A full-bandwidth channel quality reporting method.
The CQI reporting method of LTE-a is a method in which the UE reports the channel quality of the entire spectrum according to the situation of the component carrier frequency used. The reporting type under the method has two modes of all component carrier frequency CQI average values and each component carrier frequency CQI value;
scene one
Reporting the CQI average value of all component carrier frequencies used by the UE;
method 1
The UE measures and collects CQI values of each component carrier frequency of the used bandwidth, performs corresponding arithmetic average or weighted average to obtain a CQI value of an overall frequency spectrum, and then feeds back a report result to the eNB in a signaling mode.
Method two
UE selects a similar value according to the channel condition of the used bandwidth in a table look-up mode, and feeds back the index to the eNB in a signaling mode;
scene two
Reporting the channel quality conditions of all component carrier frequencies used by the UE by taking the component carrier frequencies as units;
method 1
Each component carrier frequency reports the CQI value of the full bandwidth in the component carrier frequency;
selecting a similar value according to the channel quality in the component carrier frequency in a table look-up mode, and feeding back an index corresponding to the full-bandwidth CQI value of the component carrier frequency to the eNB in a signaling mode;
or,
according to the channel quality in the component carrier frequency, reporting the difference relative to the CQI average value of all the component carrier frequencies used by the UE according to the difference coding mode, and feeding back the difference value corresponding to the full-bandwidth CQI value of the component carrier frequency to the eNB in a signaling mode;
method two
Each component carrier frequency reports the best M sub-band CQI values and positions in the component carrier frequency;
the UE respectively acquires corresponding CQI values according to sub-band modes for component carrier frequencies of the used bandwidth, further acquires the CQI values and positions of the best M sub-bands in each component carrier frequency, and feeds back the CQI values and positions of the best M sub-bands in each component carrier frequency to the eNB in a signaling mode;
the optimal M subband CQI values may be represented using a differential coding scheme with respect to the full bandwidth CQI within the component carrier frequency or the CQI average of all component carrier frequencies used by the UE.
Example 3
A method for reporting the channel quality selected by UE.
The CQI reporting method of LTE-A is a method for UE to select the component carrier frequency or sub-band with the best channel quality to report according to the channel quality condition corresponding to the component carrier frequency.
Scene one
Selecting I component carrier frequencies with the best channel quality for reporting;
method 1
Reporting a full-bandwidth CQI value in the component carrier frequency on the best component carrier frequency;
according to the channel quality in the component carrier frequency, obtaining the CQI value of the full bandwidth of each component carrier frequency, comparing the CQI value of the full bandwidth of each component carrier frequency, selecting the best CQI value and the serial number of the component carrier frequency, and feeding back the CQI value and the serial number of the component carrier frequency to the eNB in a signaling mode;
the component carrier frequency serial numbers are numbers sequentially carried out according to the front and back of each component carrier frequency forming the bandwidth.
Relative to the CQI average value of all component carrier frequencies used by the UE, the best CQI value is reported differentially according to a differential coding mode, or a similar value is selected according to a table look-up mode, and a corresponding index is reported;
method two
Reporting CQI values of the best M sub-bands in the component carrier frequency on the best component carrier frequency;
firstly, determining the best I component carrier frequencies according to the CQI value of the full bandwidth of each component carrier frequency, then respectively selecting the best M sub-band CQI values and positions from the I component carrier frequencies for reporting, and feeding back the best M sub-band CQI values and positions to an eNB in a signaling mode;
the above-mentioned best M subband CQI values may be represented in a differentially coded manner with respect to the full bandwidth CQI within the component carrier frequency or the CQI average of all component carrier frequencies used by the UE.
Scene two
Selecting M sub-bands with the best channel quality for reporting;
the UE respectively acquires corresponding CQI values according to a sub-band mode by carrying out sub-band processing on each component carrier frequency of the used bandwidth, and acquires the CQI values and positions of the best M sub-bands from the corresponding CQI values;
the optimal M subband CQI values may be represented using a differential coding scheme with respect to the full bandwidth CQI within the component carrier frequency or the CQI average of all component carrier frequencies used by the UE.
Example 4
A channel quality reporting method for high-level configuration.
The method feeds back the channel quality situation of the component carrier frequency on the used bandwidth to the UE according to the configuration requirement of the eNB (base station). The reporting method comprises two modes of only feeding back one component carrier frequency and feeding back a plurality of component carrier frequencies.
Scene one
The method for feeding back one component carrier frequency is the condition that only one component carrier frequency specified by base station configuration is fed back when CQI report is directed, and the method comprises three methods of component carrier frequency full-bandwidth CQI value, optimal M sub-band CQI values and specific sub-band CQI value.
Method 1
Reporting a CQI value of a full bandwidth of a designated component carrier frequency;
UE selects a similar value according to the table look-up mode according to the channel quality in the component carrier frequency which needs to be fed back and configured by the base station, and feeds back the index corresponding to the component carrier frequency full-bandwidth CQI value to the eNB in a signaling mode;
or
According to the channel quality in the component carrier frequency which needs to be fed back and configured by the base station, relative to the CQI average value of all the component carrier frequencies used by the UE, differential reporting is carried out according to a differential coding mode, and a differential value corresponding to the full-bandwidth CQI value of the component carrier frequency is fed back to the eNB in a signaling mode;
method two
The best M sub-band CQI values and positions of the appointed component carrier frequency are configured by the report base station;
the UE acquires corresponding CQI values according to a sub-band mode by configuring component carrier frequencies required to be reported to the base station, and takes the CQI values and positions of the best M sub-bands in the component carrier frequencies configured by the base station, and feeds back the CQI values and positions of the best M sub-bands to the eNB in a signaling mode;
the above-mentioned best M subband CQI values may be represented in a differentially coded manner with respect to the full bandwidth CQI within the component carrier frequency or the CQI average of all component carrier frequencies used by the UE.
Method III
Reporting a mode method for configuring a specific sub-band CQI value by a base station;
and the UE feeds back to the eNB according to the sub-band mode, and the base station configures the CQI value of a specific sub-band in the component carrier frequency.
Scene two
For the way of feeding back multiple component carrier frequencies, the base station is configured with the situation of requiring the UE to report and feed back multiple component carrier frequencies, and the lower method comprises five methods of all component carrier frequency CQI average values, all component carrier frequency CQI values, optimal I component carrier frequency CQI values, optimal M sub-band CQI values, specific sub-band CQI values and the like.
Method 1
Reporting the mode method of all component carrier frequency CQI average values appointed by the base station configuration;
the UE acquires each CQI value of the designated component carrier frequency configured by the base station, then obtains the corresponding CQI value of the component carrier frequency to be reflected according to arithmetic average or weighted average, and feeds the CQI value back to the eNB;
or
UE selects a similar value according to the channel condition of the designated component carrier frequency bandwidth configured by the base station and in a table look-up mode, and feeds back the index to the eNB in a signaling mode;
method two
Reporting the channel quality mode of each component carrier frequency configured and designated by the base station;
in a first mode
Each component carrier frequency configured by the base station reports a CQI value of the full bandwidth in the component carrier frequency;
selecting a similar value according to the channel quality in the component carrier frequency in a table look-up mode, and feeding back an index corresponding to a full-bandwidth CQI value of each component carrier frequency configured by a base station to an eNB in a signaling mode;
or,
according to the channel quality in the component carrier frequency, reporting the difference relative to the CQI average value of all the component carrier frequencies of the bandwidth used by the UE according to the difference coding mode, and feeding back the difference value corresponding to the full-bandwidth CQI value of each component carrier frequency configured by the base station to the eNB in a signaling mode;
mode two
Each component carrier frequency configured by the base station reports the best M sub-band CQI values and positions in the component carrier frequency;
the UE respectively acquires corresponding CQI values according to a sub-band mode for each component carrier frequency configured by the base station, further acquires the CQI values and positions of the best M sub-bands in each component carrier frequency, and feeds back the CQI values and positions of the best M sub-bands in each component carrier frequency to the eNB in a signaling mode;
the optimal M subband CQI values may be represented using a differential coding scheme with respect to the full bandwidth CQI within the component carrier frequency or the CQI average of all component carrier frequencies used by the UE.
Method III
In the component carrier frequencies allocated by the base station, the UE selects I component carrier frequencies with the best channel quality for reporting;
in a first mode
According to the channel quality in the component carrier frequency, acquiring the CQI value of the full bandwidth of each component carrier frequency configured by the base station, comparing the CQI value of the full bandwidth of each component carrier frequency, selecting the best CQI value and the serial number of the component carrier frequency where the best CQI value is located, and feeding back the best CQI value and the serial number of the component carrier frequency where the best CQI value is located to the eNB;
relative to the CQI average value of all component carrier frequencies used by the UE, the best CQI value is reported differentially according to a differential coding mode, or a similar value is selected according to a table look-up mode, and a corresponding index is reported;
mode two
Firstly, determining the best I component carrier frequencies according to the full-bandwidth CQI value of each component carrier frequency, then respectively selecting the best M sub-band CQI values and positions from the I component carrier frequencies for reporting, and feeding back the best M sub-band CQI values and positions to an eNB;
the above-mentioned best M subband CQI values may be represented in a differentially coded manner with respect to the full bandwidth CQI within the component carrier frequency or the CQI average of all component carrier frequencies used by the UE.
Method IV
Reporting the mode method that the base station configures and appoints the best M sub-band CQI values of each component carrier frequency;
the UE acquires corresponding CQI values for each component carrier frequency which needs to be reported by the base station configuration according to a sub-band mode, and takes the CQI values and positions of the best M sub-bands in all the sub-bands to feed back the CQI values and positions of the best M sub-bands to the eNB in a signaling mode;
the above-mentioned best M subband CQI values may be represented in a differentially coded manner with respect to the full bandwidth CQI within the component carrier frequency or the CQI average of all component carrier frequencies used by the UE.
Method five
Reporting the mode method of the specific sub-band CQI value in each assigned component carrier frequency configured by the base station;
and the UE feeds back the CQI value of a specific sub-band in the specific component carrier frequency specified by the base station to the eNB in a sub-band mode.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for a terminal to report a channel quality indication report, comprising,
selecting one or more of a full bandwidth reporting mode, a terminal selection reporting mode and a high-level configuration reporting mode;
selecting a reporting unit according to the selected reporting mode;
the terminal sends a channel quality indication report to the base station by the selected reporting unit according to the selected reporting mode;
wherein,
the full bandwidth reporting mode refers to that the terminal reports the overall channel quality condition of a section of continuous bandwidth;
the terminal selects the reporting mode, namely the terminal selects the component carrier frequency or the sub-band with the best channel quality to report according to the channel quality condition of the component carrier frequency in the used component carrier frequencies;
the high-level configuration reporting mode refers to that the terminal feeds back the channel quality condition on the component carrier frequency or the sub-band required to be fed back by the base station configuration.
2. The method of claim 1,
the selected reporting unit comprises: one or more of full bandwidth, component carrier frequency, and sub-band;
the sub-band is composed of k continuous resource blocks, and k is a positive integer.
3. The method of claim 2,
the reporting, by the terminal, of the overall channel quality condition of the bandwidth used by the terminal includes: the terminal reports the average value of the channel quality indications of all the component carrier frequencies used by the terminal;
or, the terminal reports the channel quality indication values of all component carrier frequencies used by the terminal by taking the component carrier frequencies as units.
4. The method of claim 3,
the reporting of the channel quality indication values of all component carrier frequencies used by the terminal by taking the component carrier frequencies as a unit refers to reporting of the channel quality indication values of all the used component carrier frequencies by the terminal by taking the component carrier frequencies as a unit;
or, the terminal reports the value and the position of the channel quality indication of the M subbands with the best channel quality of each used component carrier frequency, where M is a positive integer, by using the component carrier frequency as a unit.
5. The method of claim 2,
the terminal selects the component carrier frequency with the best channel quality to report according to the channel quality condition of the component carrier frequencies in the used component carrier frequencies, namely the terminal reports the channel quality indication value and the component carrier frequency sequence number of I component carrier frequencies with the best channel quality in the used component carrier frequencies, wherein I is a positive integer;
the terminal selects the sub-band with the best channel quality to report according to the channel quality condition of the component carrier frequency in the used component carrier frequencies, namely, the terminal reports the channel quality indication value and position of the M sub-bands with the best channel quality in the used component carrier frequencies, wherein M is a positive integer.
6. The method of claim 5,
the terminal reports the value of the channel quality indication of the I component carrier frequencies with the best channel quality in the used component carrier frequencies, wherein the value is the value of the channel quality indication of the full bandwidth of each reported component carrier frequency;
or, the terminal reports the value of the channel quality indication of the I component carrier frequencies with the best channel quality among the used component carrier frequencies, where the value and the position of the channel quality indication of the M sub-bands with the best channel quality among the I component carrier frequencies with the best reported channel quality are the values and the positions, and M is a positive integer.
7. The method of claim 2,
when the base station configuration requires feedback of channel quality conditions for only one component carrier frequency,
the terminal reports the value of the full-bandwidth channel quality indication in the component carrier frequency;
or the terminal reports the values and positions of the channel quality indications of the M sub-bands with the best channel quality in the component carrier frequency, wherein M is a positive integer;
or the terminal reports the value of the channel quality indication of the specific sub-band in the component carrier frequency which is required to be fed back by the base station configuration.
8. The method of claim 2,
when the base station configuration requires feedback of channel quality conditions for feeding back a plurality of component carrier frequencies,
the terminal feeds back the average value of the channel quality indications of the used multiple component carrier frequencies;
or, the terminal reports the value of the channel quality indication of each component carrier frequency to be fed back by taking the component carrier frequency as a unit;
or the terminal reports the channel quality indication condition of the I component carrier frequencies with the best channel quality in the component carrier frequencies to be fed back, wherein I is a positive integer;
or the terminal reports the values and positions of the channel quality indications of the M sub-bands with the best channel quality in each used component carrier frequency, wherein M is a positive integer;
or the terminal reports the channel quality indication value of a specific sub-band in the component carrier frequency required to be fed back by the base station configuration.
9. The method of claim 8,
the terminal reports the channel quality condition of the I component carrier frequencies with the best channel quality in the component carrier frequencies to be fed back, namely that the terminal reports the value of the full-bandwidth channel quality indication and the component carrier frequency serial number on the best I component carrier frequencies;
or, the reporting, by the terminal, of the channel quality conditions of the I component carrier frequencies with the best channel quality among the component carrier frequencies to be fed back by the terminal means that the terminal reports values and positions of channel quality indications of M sub-bands with the best channel quality on the I component carrier frequencies, where M is a positive integer.
10. The method of any of claims 1 to 9,
the value of the channel quality indication is an absolute value of the channel quality indication or a relative value of the channel quality indication, wherein the relative value of the channel quality indication is a differential value of an average channel quality indication.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101826117A CN101426225B (en) | 2008-12-09 | 2008-12-09 | Method for uploading channel quality indication report by terminal |
| PCT/CN2009/073975 WO2010066146A1 (en) | 2008-12-09 | 2009-09-16 | Method for a terminal reporting a channel quality indicator report |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101826117A CN101426225B (en) | 2008-12-09 | 2008-12-09 | Method for uploading channel quality indication report by terminal |
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| CN101426225A CN101426225A (en) | 2009-05-06 |
| CN101426225B true CN101426225B (en) | 2010-09-29 |
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| WO (1) | WO2010066146A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8532218B2 (en) | 2010-09-20 | 2013-09-10 | Zte Corporation | Method and terminal for channel state information feedback |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101426225B (en) * | 2008-12-09 | 2010-09-29 | 中兴通讯股份有限公司 | Method for uploading channel quality indication report by terminal |
| US9350501B2 (en) * | 2009-04-28 | 2016-05-24 | Mitsubishi Electric Corporation | Mobile communication system |
| JP5320170B2 (en) * | 2009-06-05 | 2013-10-23 | 株式会社日立製作所 | Wireless communication system, base station and terminal |
| KR101119119B1 (en) * | 2009-06-08 | 2012-03-16 | 엘지전자 주식회사 | Communication method using a carrier aggregation and apparatus therefore |
| RU2520589C2 (en) | 2009-06-19 | 2014-06-27 | Мицубиси Электрик Корпорейшн | Mobile communication system |
| CN101931494B (en) * | 2009-06-22 | 2014-04-09 | 中兴通讯股份有限公司 | Device and method for transmitting channel quality information |
| CN101932014A (en) * | 2009-06-23 | 2010-12-29 | 中兴通讯股份有限公司 | Method for processing measurement configuration in carrier aggregation |
| CN104468068B (en) | 2009-07-21 | 2019-06-18 | Lg电子株式会社 | The device and method of launch channel status information in a wireless communication system |
| CN101998436B (en) * | 2009-08-14 | 2014-05-14 | 电信科学技术研究院 | Channel information feedback method of multi-carrier system and equipment thereof |
| CN102118234A (en) * | 2009-12-30 | 2011-07-06 | 华为技术有限公司 | Channel quality indicator (CQI) feedback method, communication equipment and communication system |
| CN102237955B (en) | 2010-05-07 | 2013-11-06 | 电信科学技术研究院 | Channel state information reporting method and device |
| CN102255685B (en) * | 2010-05-17 | 2015-01-07 | 华为技术有限公司 | CSI (Channel State Information) feeding back method, and UE (User Equipment) |
| CN102013954B (en) | 2010-07-08 | 2011-12-07 | 华为技术有限公司 | Method for reporting and acquiring channel state information, base station and user equipment |
| CN102377539B (en) * | 2010-08-12 | 2015-05-13 | 华为技术有限公司 | Methods for feedback and acquisition of channel state information (CSI) of a plurality of component carriers (CC), user equipment (UE) and evolved NodeB |
| CN101908951B (en) * | 2010-08-16 | 2016-05-11 | 中兴通讯股份有限公司 | A kind of method for reporting of channel condition information and base station |
| CN101917259B (en) * | 2010-08-16 | 2016-06-15 | 中兴通讯股份有限公司 | The triggering method of aperiodic channel status information reports and base station |
| CN103369587B (en) * | 2012-04-01 | 2018-01-12 | 华为技术有限公司 | A kind of measuring method and device |
| CN103023617A (en) * | 2013-01-08 | 2013-04-03 | 李文龙 | Method for reporting CQIs (channel quality indicators) |
| CN104935402B (en) * | 2014-03-21 | 2018-07-10 | 上海诺基亚贝尔股份有限公司 | The method, apparatus and equipment that subband CQI is reported are carried out in LC-MTC user equipmenies |
| WO2017166184A1 (en) * | 2016-03-31 | 2017-10-05 | 华为技术有限公司 | Method for determining channel quality indicator (cqi) index, user equipment, and base station |
| CN107707286B (en) * | 2016-08-08 | 2021-07-09 | 华为技术有限公司 | Feedback method and device of channel quality information |
| US12052596B2 (en) * | 2020-10-20 | 2024-07-30 | Mediatek Singapore Pte. Ltd. | Reporting of best wideband CQI in mobile communications |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8121552B2 (en) * | 2006-09-05 | 2012-02-21 | Motorola Mobility, Inc. | Method and apparatus for providing channel quality feedback in a wireless communication system |
| US8068427B2 (en) * | 2006-09-27 | 2011-11-29 | Qualcomm, Incorporated | Dynamic channel quality reporting in a wireless communication system |
| CN101426225B (en) * | 2008-12-09 | 2010-09-29 | 中兴通讯股份有限公司 | Method for uploading channel quality indication report by terminal |
-
2008
- 2008-12-09 CN CN2008101826117A patent/CN101426225B/en active Active
-
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- 2009-09-16 WO PCT/CN2009/073975 patent/WO2010066146A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8532218B2 (en) | 2010-09-20 | 2013-09-10 | Zte Corporation | Method and terminal for channel state information feedback |
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| WO2010066146A1 (en) | 2010-06-17 |
| CN101426225A (en) | 2009-05-06 |
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