CN113676853B - Communication method and terminal equipment - Google Patents
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- CN113676853B CN113676853B CN202110982448.8A CN202110982448A CN113676853B CN 113676853 B CN113676853 B CN 113676853B CN 202110982448 A CN202110982448 A CN 202110982448A CN 113676853 B CN113676853 B CN 113676853B
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- H—ELECTRICITY
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W36/00—Hand-off or reselection arrangements
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- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
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Abstract
The application discloses a communication method and terminal equipment, and belongs to the technical field of communication. The method comprises the following steps: under the condition that the terminal equipment uses an evolved packet system EPS fallback mode calling or called, measuring a configuration frequency point configured by the network equipment; under the condition that the measurement result of the cell corresponding to the configuration frequency point meets a target threshold, taking the cell corresponding to the configuration frequency point as a target cell for the terminal equipment to execute the call; the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a communication method and terminal equipment.
Background
In cellular systems, the associated protocols provide for the use of previous generation network-carried voice traffic, such as voice fallback from fifth generation wireless communication (5-generation, 5G) to fourth generation wireless communication (4-generation, 4G), if the new generation network-carried voice capability is insufficient. In the case where the terminal device initiates or receives a voice call request, the network device typically redirects the terminal device to the 4G network for the voice call by a redirection or blind redirection based on the measurement.
Aiming at the redirection mode based on measurement, the network equipment can issue measurement instructions to the terminal equipment, the terminal equipment sequentially measures the frequency points configured in the measurement instructions, and when the measured frequency points meet the threshold configured by the network equipment, the measurement report of the frequency points is reported. The network equipment generally redirects the terminal equipment to a first reported frequency point, and establishes a call bearer in a cell corresponding to the frequency point to provide voice service; because the network equipment issues the redirection instruction based on the first frequency point reported by the terminal equipment, the cell corresponding to the first frequency point can have poor signal quality although meeting the reporting condition, and the terminal equipment can be connected with failure in the access process, so that the success rate of call fallback is lower; for the blind redirection mode, the signal quality of the cell corresponding to the frequency point blindly configured by the network equipment may be poor, so that the terminal equipment is switched to the corresponding frequency point according to the network instruction, and the problem of low success rate of call fallback is also caused.
Disclosure of Invention
The embodiment of the application aims to provide a call method and terminal equipment, which can solve the problem of low call fallback success rate.
In a first aspect, an embodiment of the present application provides a call method, where the method includes:
under the condition that the terminal equipment uses an evolved packet system EPS fallback mode calling or called, measuring a configuration frequency point configured by the network equipment;
under the condition that the measurement result of the cell corresponding to the configuration frequency point meets a target threshold, taking the cell corresponding to the configuration frequency point as a target cell for the terminal equipment to execute the call;
the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment.
In a second aspect, an embodiment of the present application provides a call apparatus, including:
the measurement module is used for measuring the configuration frequency point configured by the network equipment under the condition that the terminal equipment uses an evolved packet system EPS fallback mode calling or called;
the processing module is configured to use the cell corresponding to the configured frequency point as a target cell for executing a call of the terminal device when the measurement result of the cell corresponding to the configured frequency point meets a target threshold;
the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment.
In a third aspect, embodiments of the present application provide a terminal device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction implementing the steps of the method according to the first aspect when executed by the processor.
In a fourth aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which when executed by a processor implement the steps of the method according to the first aspect.
In a fifth aspect, embodiments of the present application provide a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and where the processor is configured to execute a program or instructions to implement a method according to the first aspect.
In a sixth aspect, embodiments of the present application provide a computer program product comprising a computer program which, when executed by a processor, implements the steps of the method of talking in the first aspect.
In the embodiment of the application, under the condition that the terminal equipment uses an Evolved Packet System (EPS) fallback mode calling or called, the terminal equipment measures a frequency point configured by the network equipment, and under the condition that a measurement result of a cell corresponding to the frequency point meets a target threshold, a call is executed through the cell corresponding to the frequency point, the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment, the limit sensitivities of different terminal equipment can be different, the corresponding target threshold can be different, and a cell with better signal quality meeting the condition of the terminal equipment is selected to access based on the target threshold corresponding to the terminal equipment, so that the success rate of call fallback is improved.
Drawings
Fig. 1 is a block diagram of a wireless communication system to which embodiments of the present application are applicable;
fig. 2 is a schematic flow chart of a call method according to an embodiment of the present application;
fig. 3 is one of the interactive flow diagrams of the call method provided in the embodiment of the present application;
FIG. 4 is a second schematic diagram of an interaction flow of a call method according to an embodiment of the present disclosure;
FIG. 5 is a third schematic diagram of an interaction flow of a call method according to an embodiment of the present disclosure;
FIG. 6 is a fourth schematic diagram of an interaction flow of a call method according to an embodiment of the present disclosure;
FIG. 7 is a fifth schematic diagram of an interaction flow of a call method according to an embodiment of the present disclosure;
FIG. 8 is a sixth schematic diagram of an interaction flow of a call method according to an embodiment of the present disclosure;
FIG. 9 is a seventh schematic diagram of an interaction flow of a call method according to an embodiment of the present disclosure;
FIG. 10 is a schematic diagram of an interaction flow of a call method according to an embodiment of the present disclosure;
FIG. 11 is a ninth schematic diagram of an interaction flow of a call method according to an embodiment of the present disclosure;
FIG. 12 is a second flow chart of a call method according to the embodiment of the present application;
fig. 13 is a schematic structural diagram of a call device according to an embodiment of the present application;
fig. 14 is a schematic structural diagram of a terminal device provided in an embodiment of the present application;
Fig. 15 is a schematic diagram of a hardware structure of a terminal device implementing an embodiment of the present application.
Detailed Description
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The following describes in detail the call method provided in the embodiment of the present application through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
It is noted that the techniques described in embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single-carrier frequency division multiple access (Single-carrier Frequency-Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the present application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. The following description describes a New air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) th Generation, 6G) communication system.
Fig. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may also be called a terminal Device or a User Equipment (UE), and the terminal 11 may be a terminal-side Device such as a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer) or a notebook (Personal Digital Assistant, PDA), a palm Computer, a netbook, an ultra-mobile personal Computer (ultra-mobile personal Computer, UMPC), a mobile internet Device (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) Device, a robot, a Wearable Device (VUE), a pedestrian terminal (PUE), a smart home (home Device with a wireless communication function, such as a refrigerator, a television, a washing machine, or furniture, etc.), and the Wearable Device includes: intelligent watches, intelligent bracelets, intelligent headphones, intelligent glasses, intelligent jewelry (intelligent bracelets, intelligent rings, intelligent necklaces, intelligent bracelets, intelligent footchains, etc.), intelligent bracelets, intelligent clothing, game machines, etc. Note that, the specific type of the terminal 11 is not limited in the embodiment of the present application. The network device 12 may be a base station or a core network, wherein the base station may be referred to as a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a node B, an evolved node B (eNB), a home node B, a home evolved node B, a WLAN access point, a WiFi node, a transmission and reception point (Transmitting Receiving Point, TRP), or some other suitable terminology in the art, and the base station is not limited to a specific technical vocabulary so long as the same technical effect is achieved, and it should be noted that in the embodiment of the present application, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
In an embodiment, after the terminal device is powered on, the terminal device will reside in the 5G SA, and the network device selects a call mode on the SA according to the capability support condition of the terminal device and the capability support condition of the network device, and the call mode is classified into an evolved packet network (Evolved Packet System, EPS) Fallback mode and a new air interface-based voice system (Voice Over New Radio, voNR). In this embodiment, an EPS fallback method is described in detail.
The call method of the embodiment of the application can be applied to at least two of the following scenes:
in a case of a redirection mode based on measurement, the network device sends a measurement instruction to the terminal device, the terminal device measures a frequency point configured in the measurement instruction, and the network device sends a redirection instruction based on the frequency point reported by the terminal device (namely, a measurement result of a cell corresponding to the frequency point meets a target threshold), and establishes a call in the cell indicated by the redirection instruction;
in another scenario, under the condition of a blind redirection mode, the network device directly designates a frequency point to send a redirection instruction, the terminal device measures the frequency point, if a measurement result of a cell corresponding to the frequency point meets a target threshold, the terminal device directly accesses the cell corresponding to the frequency point, and a call is established in the cell.
In other embodiments, the call method of the present application may also be applied to cell reselection, handover, etc., which is not limited in this embodiment, and the following is only exemplified in an EPS fallback manner.
In the communication method of the embodiment of the present application, in order to improve call quality of call fallback, the terminal device measures a frequency point configured by the network device (a frequency point configured by measurement or a frequency point indicated by blind redirection), if a measurement result meets a target threshold, a cell corresponding to the frequency point is selected for call, the target threshold is set based on a limit sensitivity of the terminal device, the limit sensitivity is related to hardware of the terminal device, and limit sensitivities corresponding to different terminal devices may be different, so that the target threshold may be different, and in a call fallback scenario, the terminal device selects a cell access meeting the target threshold according to its own condition, so as to improve call fallback success rate.
Fig. 2 is a schematic flow chart of a call method according to an embodiment of the present application. As shown in fig. 2 and 3, the call method provided in this embodiment includes:
The configured frequency point may be a measurement frequency point configured by the network device, or a frequency point indicated by blind redirection of the network device.
Optionally, as shown in fig. 3, before step 101, the method includes:
step 100, the network device sends the configuration frequency point to the terminal device.
For example, the network device carries information of the configured frequency point by measuring the configuration indication information or carries information of the configured frequency point by blind redirection indication information.
Specifically, the terminal device measures the configuration frequency point, for example, measures the signal strength and/or the signal quality of the configuration frequency point, when the EPS fallback mode is used to initiate a call request (calling) or receive a call request (called).
102, taking a cell corresponding to the configured frequency point as a target cell for the terminal equipment to execute the call under the condition that the measurement result of the cell corresponding to the configured frequency point meets the target threshold;
the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment.
Specifically, the target gate is determined based on the limit sensitivity corresponding to the terminal device, i.e. the value of the target gate is determined by the value of the limit sensitivity, for example, the target gate may be the limit sensitivity plus YdB, Y >0. The target threshold may be determined by the terminal device itself or by interaction with the network device, which is not limited in the embodiments of the present application.
The ultimate sensitivity, which is related to the hardware of the terminal device and may also be referred to as ultimate transmission performance, means that the worst signal strength value that the terminal device can transmit may be determined by the values of a plurality of parameters, including, for example: reference signal received power (Reference Signal Receiving Power, RSRP) and reference signal received power (Reference Signal Receiving Quality, RSRQ). For example, assume that the RSRP of the current signal is a 1 RSRQ is b 1 If the signal attenuation terminal equipment is further increased, the data cannot be transmitted; or, assume that the RSRP of the current signal is a 2 RSRQ is b 2 If the signal attenuation is increased, the data cannot be transmitted; ..; or, assume that the RSRP of the current signal is a i RSRQ is b i If the signal attenuation is increased again, the data cannot be transmitted, for example, a can be 1 ，a 2 ，...，a i Is the smallest a in the (a) k The value is taken as the limit sensitivity, wherein the value range of k is 1 to i.
The measurement result satisfies the target threshold to indicate that the signal quality of the configuration frequency point can satisfy the call service requirement of the terminal equipment, when the target threshold is satisfied, the terminal equipment can switch to the configuration frequency point, namely, a cell corresponding to the configuration frequency point is used as a target cell for the terminal equipment to execute the call, the cell corresponding to the configuration frequency point is accessed, and the call is established in the cell.
In an embodiment, the network where the terminal device resides when the terminal device is a calling party or a called party is a first network, and the network of the target cell may be a second network, for example, the first network has a system higher than that of the second network, for example, the first network is 5G SA, and the second network is LTE, 4G, or the like.
In the method of the embodiment, under the condition that the terminal equipment uses an Evolved Packet System (EPS) fallback mode calling or called, the terminal equipment measures a frequency point configured by the network equipment, and under the condition that a measurement result of a cell corresponding to the frequency point meets a target threshold, a call is executed through the cell corresponding to the frequency point, the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment, the limit sensitivities of different terminal equipment can be different, the corresponding target threshold can be different, and a cell with better signal quality meeting the condition of the terminal equipment is selected to access based on the target threshold corresponding to the terminal equipment, so that the success rate of call fallback is improved.
In an embodiment, the target gate comprises at least one of:
a first threshold corresponding to Reference Signal Received Power (RSRP);
and a second threshold corresponding to the Reference Signal Received Quality (RSRQ).
Wherein the first threshold corresponding to the RSRP and the second threshold corresponding to the RSRQ are set based on the limit sensitivity, for example, the first threshold corresponding to the RSRP is a k +YdB(a k As an example in the foregoing embodiment), the second threshold corresponding to RSRQ is b k +YdB(b k Is equal to a k Corresponding RSRQ values).
The measurement result of the cell corresponding to the configured frequency point meets the target threshold, and the RSRP value in the measurement result may be greater than or equal to the first threshold, and/or the RSRQ value in the measurement result is greater than or equal to the second threshold.
In an embodiment, the configuration frequency point may include the following cases:
aiming at a redirection mode based on measurement, configuring a frequency point as a measurement frequency point configured by network equipment;
aiming at the blind redirection mode, the configuration frequency point is a blind redirection cell frequency point configured by the network equipment.
Specifically, for the redirection manner based on measurement, the configuration frequency point may be a frequency point in measurement frequency points configured by the network device, and the measurement frequency points may be one or more; for example, the measurement frequency points are f1, f2 and f3, and the configuration frequency point may select any one of the measurement frequency points, or select a frequency point with a higher priority, such as f1.
Aiming at the blind redirection mode, the configuration frequency point is a cell frequency point in the blind redirection instruction of the network equipment. For example, if the frequency point indicated by the network device redirection is f1, the frequency point is configured to be f1.
In an embodiment, in step 103, "the cell corresponding to the configured frequency point is used as the target cell for the terminal device to perform the call", which may be specifically implemented in the following ways:
Aiming at a redirection mode based on measurement, sending a measurement result of a cell corresponding to a configuration frequency point to network equipment, and accessing a target cell based on indication information sent by the network equipment; the indication information is sent based on the measurement result; or alternatively, the first and second heat exchangers may be,
and accessing the target cell aiming at the blind redirection mode.
Specifically, the manner of accessing the target cell in different scenarios is different, as shown in fig. 4, in the scenario of the redirection manner based on measurement, the terminal device sends a measurement result of the cell corresponding to the configured frequency point to the network device (step 103 in fig. 4), where the measurement result may be used as a measurement result of the first report, the network device sends indication information to the terminal device based on the measurement result of the first report (step 104 in fig. 4), and the terminal device accesses the target cell based on the indication information sent by the network device (step 105 in fig. 4), for example, the terminal device initiates an access request to the network device corresponding to the target cell. Step 100a in fig. 4 is similar to step 100 in fig. 3, and steps 101 and 102 are referred to the previous embodiment, and are not repeated here.
As shown in fig. 5, for the scenario of the blind redirection mode, the terminal device directly accesses the target cell (step 105 in fig. 5). Step 100b in fig. 5 is similar to step 100 in fig. 3, and steps 101 and 102 are referred to the previous embodiment, and are not repeated here.
Because the measurement result corresponding to the target cell meets the target threshold, the signal quality of the target cell can meet the communication requirement of the terminal equipment, and the terminal equipment can execute the call in the target cell, so that the success rate of call fallback is higher.
Optionally, for the redirection manner based on measurement, before determining whether the measurement result of the cell corresponding to the configuration frequency point meets the target threshold, the method may further include the following steps:
step 106, determining that the measurement result of the cell corresponding to the configuration frequency point meets a third threshold.
Wherein the third threshold comprises:
a third threshold corresponding to Reference Signal Received Power (RSRP);
wherein, the third threshold corresponding to the RSRP is configured by the network device.
Specifically, as shown in fig. 6, for a redirection mode scenario based on measurement, it is first determined whether a measurement result of the cell meets a third threshold, if so, whether a target threshold is further determined, and if so, the cell is used as a target cell for executing a call by a terminal device.
For example, assuming that the third threshold configured by the network device is m, the limit sensitivity corresponding to the terminal device 1 is n 1 The hardware conditions of the terminal device 1 are better and therefore based on n 1 The determined target threshold may be smaller than m, so that the target cell selected based on the two thresholds may improve call quality.
Let n be the limit sensitivity corresponding to the terminal device 2 2 If the hardware condition of the terminal device 2 is poor, n is therefore based on 2 The determined target threshold may be greater than m, and the call quality of the target cell selected based on the target threshold is higher.
In the above embodiment, before determining that the measurement result of the cell corresponding to the configured frequency point meets the target threshold, it is determined that the measurement result of the cell corresponding to the configured frequency point meets the third threshold, and if the measurement result of the cell corresponding to the configured frequency point meets the third threshold and meets the target threshold, it is indicated that the signal quality of the cell corresponding to the configured frequency point is better, so that the cell with higher signal quality is used to perform the call, and the call quality is higher.
In an embodiment, in the case that the measurement result of the cell corresponding to the configured frequency point does not meet the target threshold, in order to implement call fallback, so that the signal quality of the accessed cell is better, measurement may be further performed on other cells, as shown in fig. 7, the call method further includes:
step 107, under the condition that the measurement result of the cell corresponding to the configuration frequency point does not meet the target threshold, measuring at least one neighboring cell of the terminal equipment;
And step 108, taking the first adjacent cell as a target cell for the terminal equipment to execute the call under the condition that the measurement result of the first adjacent cell in at least one adjacent cell meets the target threshold.
Optionally, the at least one neighbor cell comprises at least one of:
a cell corresponding to the frequency point configured by the network equipment;
and the service cell where the terminal equipment resides in the second duration range.
Specifically, for the scenario based on the redirection manner of measurement, each adjacent area may be a frequency point configured when the network device performs measurement configuration, where the frequency points may be arranged according to priority, for example, a frequency point of a cell with the highest access frequency of the terminal device is set to be the highest priority, and a frequency point of a cell with the lowest access frequency of the terminal device is set to be the lowest priority. Of course, the priority order of each frequency point may be set in other manners, which is not limited in the embodiment of the present application. The terminal device may perform measurements in a prioritized order when measuring at least one neighbor cell.
For the blind redirection mode, each neighbor may be a frequency configured by the network device, for example, a frequency used for data transmission before, and/or a serving cell where the terminal device resides before, for example, may be a serving cell where the terminal device resides in the second duration range, or may be a certain number of serving cells where the terminal device resides.
As shown in fig. 8, for a scenario based on a redirection manner of measurement, when a measurement result of a cell corresponding to a configuration frequency point does not meet a target threshold, time for reporting the measurement result to a network device may be delayed, measurement is performed on at least one neighboring cell of a terminal device, and when a measurement result of a first neighboring cell meets the target threshold, the first neighboring cell is used as a target cell for a terminal device to perform a call, the measurement result of the target cell is sent to the network device, and the target cell is accessed based on an instruction of the network device.
As shown in fig. 9, for the scenario of the blind redirection mode, when the measurement result of the cell corresponding to the configuration frequency point does not meet the target threshold, the time for redirecting to the configuration frequency point may be delayed, at least one neighboring cell of the terminal device is measured, and when the measurement result of the first neighboring cell in the at least one neighboring cell meets the target threshold, the first neighboring cell is used as the target cell for executing the call by the terminal device, and redirecting to the target cell.
For example, if the measurement results of the neighboring cell 1 in the neighboring cell 1, the neighboring cell 2 and the neighboring cell 3 do not meet the target threshold, and the measurement result of the neighboring cell 2 meets the target threshold, the neighboring cell 2 is taken as the target cell, and the neighboring cell 3 may not be measured at this time.
In the above embodiment, under the condition that the measurement result of the cell corresponding to the configuration frequency point does not meet the target threshold, the cell corresponding to the configuration frequency point may not be used to perform the call, so as to avoid call fallback failure or poor call quality, further measure at least one neighboring cell of the terminal device, and select the first neighboring cell meeting the target threshold to perform the call, so that the success rate of call fallback can be improved.
In an embodiment, "measuring at least one neighbor cell of a terminal device" may be implemented by:
and measuring at least one neighbor cell of the terminal equipment in the first time length range.
Specifically, in order to avoid too long time delay of the terminal equipment accessing the network, the time length of measuring at least one neighboring cell is limited to a first time length range, if the measured result of a certain neighboring cell in the first time length range meets a target threshold, the measurement is ended, the neighboring cell is taken as a target neighboring cell, and the terminal equipment executes communication in the neighboring cell. If the measurement results of all the neighbor cells obtained by measurement do not meet the target threshold in the first time length range, the measurement can be ended, and optionally, the neighbor cell with the best signal quality is taken as the target neighbor cell, and the terminal equipment executes the call in the neighbor cell.
The first time range may be configured by a terminal device, or specified by a protocol, or configured by a network device, which is not limited in this embodiment of the present application.
Alternatively, the measurement may be performed by a timer when at least one neighbor cell of the terminal device is measured.
Specifically, a timer is started when measurement of at least one neighbor cell is started.
And for a scene based on a redirection mode of measurement, sequentially measuring at least one neighbor cell configured by the network equipment in a first time length range timed by a timer, and if a measurement result meets a target threshold, if the measurement result is greater than or equal to the target threshold, reporting the neighbor cell meeting the target threshold to the network equipment, and accessing the neighbor cell based on the indication of the network equipment.
Alternatively, the timer may be started when it is determined that the first cell does not meet the target gate.
And for the scene of the blind redirection mode, sequentially measuring at least one neighbor cell configured by the network equipment in a first time length range timed by a timer, and if the measurement result meets a target threshold, if the measurement result is greater than or equal to the target threshold, directly accessing the neighbor cell.
In the above embodiment, the measurement duration of the neighboring cell is limited, so that the cell switching time is prevented from being too long, and the cell access time delay is reduced.
In an embodiment, in the case that the measurement result of any neighboring cell does not meet the target threshold, in order to implement call fallback, so that the signal quality of the accessed cell is better, a cell with the best signal quality may be selected to perform a call, as shown in fig. 10 and 11, the call method further includes:
step 109, taking the second adjacent cell as a target cell for the terminal equipment to execute the call under the condition that the measurement result of any adjacent cell in at least one adjacent cell does not meet the target threshold; the second neighbor cell is a cell with the best signal quality in the measurement results of the neighbor cells in at least one neighbor cell.
Specifically, as shown in fig. 10, for a redirection mode scenario based on measurement, if all measurement results of neighboring cells obtained by measurement do not meet a target threshold, a neighboring cell with the best signal quality is taken as a target neighboring cell, and a terminal device performs a call in the target neighboring cell, i.e. reports the target neighboring cell to a network device, and accesses the target neighboring cell based on an indication of the network device.
As shown in fig. 11, for the scenario of the blind redirection mode, if all the measured results of the neighboring cells do not meet the target threshold, the neighboring cell with the best signal quality is taken as the target neighboring cell, and the terminal device performs a call in the target neighboring cell, that is, directly accesses the target neighboring cell. Particularly, in the network signal weak coverage scene, the cell access with the best signal quality is selected to improve the call quality.
The signal quality is best, and RSRQ and signal quality are more relevant by taking RSRQ as a judgment basis.
In the above embodiment, when the measurement results of all the neighboring cells do not meet the target threshold, the second neighboring cell with the best signal quality is selected to perform the call, so that the success rate of call fallback can be improved.
For example, as shown in fig. 12, a call fallback is initiated, and the network device configures a call fallback type, and the call fallback can be divided into two call fallback modes of type one and type two, wherein type one is a redirection mode based on measurement, and type two is a blind redirection mode.
For the first type, the network device configures a measurement frequency point, and the terminal device judges whether a frequency point A1 meeting the measurement reporting condition meets a target threshold, namely whether a measurement result of a cell corresponding to the frequency point A1 meets the target threshold, wherein the meeting of the measurement reporting condition means that the measurement result of the cell corresponding to the frequency point meets a third threshold, namely a threshold configured by the network device. The target gate can be set according to the ultimate sensitivity of the terminal.
If the target threshold is met, reporting the measurement event of the frequency point A1 to the network equipment, for example reporting the measurement result corresponding to the frequency point A1, the corresponding cell identifier and the like.
If the target threshold is not met, the measurement duration is prolonged, reporting of the frequency point A1 meeting the measurement reporting condition is delayed, for example, by X ms, a plurality of adjacent cells of the frequency point A1 are measured in the delayed time, the adjacent cells can be cells corresponding to the measurement frequency point configured by the network equipment, for example, if the adjacent cells meeting the target threshold exist, the adjacent cells are immediately reported, if the adjacent cells meeting the target threshold do not exist in the delayed time, and if the adjacent cells meeting the target threshold do not exist in the delayed time, the cells with the best signal quality in all the adjacent cells are reported after the measurement duration is finished.
For the second type, the network device blindly redirects the frequency point A2, and the terminal device judges whether the frequency point A2 meets the target threshold, namely whether the measurement result of the cell corresponding to the frequency point A2 meets the target threshold, wherein the target threshold can be set according to the limit sensitivity of the terminal.
If the target threshold is met, the terminal equipment is directly redirected to the frequency point A2, namely, the cell corresponding to the frequency point A2 is accessed.
If the target threshold is not met, the measurement duration is prolonged, redirection is delayed, for example, delay is performed for X ms, measurement is performed on a plurality of adjacent cells corresponding to the configured frequency point within the delay time, for example, the adjacent cells comprise cells corresponding to the frequency point configured by the network equipment and/or resident or service cells, if the adjacent cells meeting the target threshold exist, an access request is initiated to the adjacent cells, if the adjacent cells meeting the target threshold do not exist within the delay time, and the cells with the best signal quality in all the adjacent cells are accessed after the measurement duration is finished.
In the above embodiment, when the terminal device uses the evolved packet system EPS fallback mode calling or called, the terminal device measures the frequency point configured by the network device, and when the measurement result of the cell corresponding to the frequency point meets the target threshold, the call fallback is performed through the cell corresponding to the frequency point, where the target threshold is set based on the limit sensitivity corresponding to the terminal device, and the limit sensitivities of different terminal devices may be different, so that the corresponding target threshold may be different, and a cell with better signal quality meeting the condition of itself is selected based on the target threshold corresponding to the terminal device, thereby improving the success rate of call fallback.
It should be noted that, in the call method provided in the embodiment of the present application, the executing body may be a call device, or a processing module in the call device for executing the call method. In the embodiment of the present application, a call device executing a call method is taken as an example, and the call device provided in the embodiment of the present application is described.
Fig. 13 is a schematic structural diagram of a call device provided in the present application. The communication device provided in this embodiment includes:
a measurement module 210, configured to measure a configuration frequency point configured by the network device when the terminal device uses an evolved packet system EPS fallback mode calling or called;
The processing module 220 is configured to use, when a measurement result of a cell corresponding to the configured frequency point meets a target threshold, the cell corresponding to the configured frequency point as a target cell for a terminal device to perform a call;
the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment.
In one possible implementation, the processing module 220 is further configured to:
under the condition that the measurement result of the cell corresponding to the configuration frequency point does not meet the target threshold, measuring at least one neighbor cell of the terminal equipment in a first time length range;
and under the condition that the measurement result of a first neighbor cell in the at least one neighbor cell meets the target threshold, taking the first neighbor cell as a target cell for the terminal equipment to execute the call.
In one possible implementation, the processing module 220 is further configured to:
under the condition that the measurement result of any one of the at least one neighbor cell does not meet the target threshold, taking the second neighbor cell as a target cell for the terminal equipment to execute the call; the second neighbor cell is a cell with the best signal quality in the measurement results of neighbor cells in the at least one neighbor cell.
In one possible implementation manner, for a redirection manner based on measurement, the configuration frequency point is a measurement frequency point configured by the network device;
for the blind redirection mode, the configuration frequency point is a blind redirection cell frequency point configured by the network equipment.
In one possible implementation manner, the target gate includes at least one of the following:
a first threshold corresponding to Reference Signal Received Power (RSRP);
and a second threshold corresponding to the Reference Signal Received Quality (RSRQ).
In one possible implementation, the at least one neighbor cell includes at least one of:
a cell corresponding to the frequency point configured by the network equipment;
and the terminal equipment resides in the serving cell in the second time range.
In one possible implementation, the processing module 220 is specifically configured to:
aiming at a redirection mode based on measurement, sending a measurement result of a cell corresponding to the configuration frequency point to the network equipment, and accessing the target cell based on indication information sent by the network equipment; the indication information is sent based on the measurement result; or alternatively, the first and second heat exchangers may be,
and accessing the target cell aiming at a blind redirection mode.
In one possible implementation, the processing module 220 is specifically configured to:
And aiming at a redirection mode based on measurement, determining that a measurement result of the cell corresponding to the configuration frequency point meets a third threshold.
In one possible implementation, the third threshold includes:
a third threshold corresponding to the Reference Signal Received Power (RSRP);
wherein, the third threshold corresponding to the RSRP is configured by the network device.
In the call device of this embodiment, when the terminal device uses the evolved packet system EPS fallback mode calling or called, the measurement module measures the frequency point configured by the network device, and when the measurement result of the cell corresponding to the frequency point meets the target threshold, the processing module executes the call through the cell corresponding to the frequency point, where the target threshold is determined based on the limit sensitivity corresponding to the terminal device, and the limit sensitivities of different terminal devices may be different, so that the corresponding target threshold may be different, and based on the target threshold corresponding to the terminal device, a cell with better signal quality meeting the condition of itself is selected to access, thereby improving the success rate of call fallback.
The communication device in the embodiment of the application may be a device, or may be a component, an integrated circuit, or a chip in a terminal. The device may be a mobile terminal device or a non-mobile terminal device. By way of example, mobile terminal devices may include, but are not limited to, the types of terminals 11 listed above, and non-mobile terminal devices may be servers, network attached storage (Network Attached Storage, NAS), personal computers (personal computer, PCs), televisions (TVs), teller machines, self-service machines, etc., and embodiments of the present application are not limited in particular.
The communication device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
The call device provided in this embodiment of the present application can implement each process implemented by the embodiments of the methods of fig. 2 to 12, and in order to avoid repetition, a description is omitted here.
Optionally, as shown in fig. 14, the embodiment of the present application further provides a terminal device 1400, including a processor 1401, a memory 1402, and a program or an instruction stored in the memory 1402 and capable of running on the processor 1401, where the program or the instruction implements each process of the foregoing embodiments of the call method when executed by the processor 1401, and the same technical effects can be achieved, and for avoiding repetition, a description is omitted herein.
It should be noted that, the terminal device in the embodiment of the present application includes the mobile terminal device and the non-mobile terminal device described above.
Fig. 15 is a schematic hardware structure of a terminal device for implementing an embodiment of the present application.
The terminal device 1000 includes, but is not limited to: radio frequency unit 1001, network module 1002, audio output unit 1003, input unit 1004, sensor 1005, display unit 1006, user input unit 1007, interface unit 1008, memory 1009, and processor 1010.
Those skilled in the art will appreciate that terminal device 1000 can also include a power source (e.g., a battery) for powering the various components, which can be logically coupled to processor 1010 via a power management system to perform functions such as managing charge, discharge, and power consumption via the power management system. The terminal device structure shown in fig. 15 does not constitute a limitation of the terminal device, and the terminal device may include more or less components than those shown in the drawings, or may combine some components, or may be arranged in different components, which will not be described in detail herein.
Wherein the processor 1010 is configured to:
under the condition that the terminal equipment uses an evolved packet system EPS fallback mode calling or called, measuring a configuration frequency point configured by the network equipment;
under the condition that the measurement result of the cell corresponding to the configuration frequency point meets a target threshold, taking the cell corresponding to the configuration frequency point as a target cell for the terminal equipment to execute the call;
the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment.
In the terminal device of this embodiment, when the terminal device uses the evolved packet system EPS to fall back to the calling party or the called party, the processor measures a frequency point configured by the network device, and when a measurement result of a cell corresponding to the frequency point meets a target threshold, the processor performs a call through the cell corresponding to the frequency point, where the target threshold is determined based on a limit sensitivity corresponding to the terminal device, and limit sensitivities of different terminal devices may be different, so that the corresponding target threshold may be different, and selects a cell with better signal quality meeting a condition of itself based on the target threshold corresponding to the terminal device, thereby improving a success rate of call fall back.
In one possible implementation, the processor 1010 is further configured to:
under the condition that the measurement result of the cell corresponding to the configuration frequency point does not meet the target threshold, measuring at least one neighbor cell of the terminal equipment;
and under the condition that the measurement result of a first neighbor cell in the at least one neighbor cell meets the target threshold, taking the first neighbor cell as a target cell for the terminal equipment to execute the call.
In the above embodiment, under the condition that the measurement result of the cell corresponding to the configuration frequency point does not meet the target threshold, the cell corresponding to the configuration frequency point may not be used to perform the call, so as to avoid call fallback failure or poor call quality, further measure at least one neighboring cell of the terminal device, and select the first neighboring cell meeting the target threshold to perform the call, so that the success rate of call fallback can be improved.
In one possible implementation, the processor 1010 is specifically configured to:
and measuring at least one neighbor cell of the terminal equipment in a first time length range.
In the above embodiment, the measurement duration of the neighboring cell is limited, so that the cell switching time is prevented from being too long, and the time delay of cell access is reduced.
In one possible implementation, the processor 1010 is further configured to:
under the condition that the measurement result of any one of the at least one neighbor cell does not meet the target threshold, taking the second neighbor cell as a target cell for the terminal equipment to execute the call; the second neighbor cell is a cell with the best signal quality in the measurement results of neighbor cells in the at least one neighbor cell.
In the above embodiment, when the measurement results of all the neighboring cells do not meet the target threshold, the second neighboring cell with the best signal quality is selected to perform the call, so that the success rate of call fallback can be improved.
In one possible implementation manner, for a redirection manner based on measurement, the configuration frequency point is a measurement frequency point configured by the network device;
for the blind redirection mode, the configuration frequency point is a blind redirection cell frequency point configured by the network equipment.
In one possible implementation manner, the target gate includes at least one of the following:
a first threshold corresponding to Reference Signal Received Power (RSRP);
and a second threshold corresponding to the Reference Signal Received Quality (RSRQ).
In one possible implementation, the at least one neighbor cell includes at least one of:
A cell corresponding to the frequency point configured by the network equipment;
and the terminal equipment resides in the serving cell in the second time range.
In one possible implementation, the processor 1010 is specifically configured to:
aiming at a redirection mode based on measurement, sending a measurement result of a cell corresponding to the configuration frequency point to the network equipment, and accessing the target cell based on indication information sent by the network equipment; the indication information is sent based on the measurement result; or alternatively, the first and second heat exchangers may be,
and accessing the target cell aiming at a blind redirection mode.
In one possible implementation, the processor 1010 is specifically configured to:
and aiming at a redirection mode based on measurement, determining that a measurement result of the cell corresponding to the configuration frequency point meets a third threshold.
In the above embodiment, before determining that the measurement result of the cell corresponding to the configured frequency point meets the target threshold, it is determined that the measurement result of the cell corresponding to the configured frequency point meets the third threshold, and if the measurement result of the cell corresponding to the configured frequency point meets the third threshold and meets the target threshold, it is indicated that the signal quality of the cell corresponding to the configured frequency point is better, so that the cell with higher signal quality is used to perform the call, and the call quality is higher.
In one possible implementation, the third threshold includes:
a third threshold corresponding to the Reference Signal Received Power (RSRP);
wherein, the third threshold corresponding to the RSRP is configured by the network device.
It should be understood that in the embodiment of the present application, the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042, and the graphics processor 10041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes a touch panel 10071 and other input devices 10072. The touch panel 10071 is also referred to as a touch screen. The touch panel 10071 can include two portions, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein. Memory 1009 may be used to store software programs as well as various data including, but not limited to, application programs and an operating system. The processor 1010 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 1010.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the program or the instruction realizes each process of the foregoing embodiments of the call method, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
Wherein the processor is a processor in the terminal device described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is used for running a program or an instruction, so as to implement each process of the above-mentioned communication method embodiment, and achieve the same technical effect, so that repetition is avoided, and no redundant description is provided here.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.
The embodiment of the application further provides a computer program product, which comprises a computer program, wherein the computer program realizes the processes of the above-mentioned embodiments of the communication method when being executed by a processor, and can achieve the same technical effects, and for avoiding repetition, the description is omitted here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (10)
1. A method of communicating, comprising:
under the condition that the terminal equipment uses an evolved packet system EPS fallback mode calling or called, measuring a configuration frequency point configured by the network equipment;
determining whether a measurement result of the cell corresponding to the configuration frequency point meets a third threshold; the third threshold comprises a threshold corresponding to the reference signal receiving power;
determining whether the measurement result of the cell corresponding to the configuration frequency point meets a target threshold or not under the condition that the measurement result of the cell corresponding to the configuration frequency point meets the third threshold; the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment;
and under the condition that the measurement result of the cell corresponding to the configuration frequency point meets the target threshold, taking the cell corresponding to the configuration frequency point as a target cell for the terminal equipment to execute the call.
2. The method of claim 1, further comprising:
under the condition that the measurement result of the cell corresponding to the configuration frequency point does not meet the target threshold, measuring at least one neighbor cell of the terminal equipment in a first time length range;
and under the condition that the measurement result of a first neighbor cell in the at least one neighbor cell meets the target threshold, taking the first neighbor cell as a target cell for the terminal equipment to execute the call.
3. The method of claim 2, further comprising:
under the condition that the measurement result of any one of the at least one neighbor cell does not meet the target threshold, taking the second neighbor cell as a target cell for the terminal equipment to execute the call; the second neighbor cell is a cell with the best signal quality in the measurement results of neighbor cells in the at least one neighbor cell.
4. A call method as claimed in claim 1 or 2, characterized in that,
aiming at a redirection mode based on measurement, the configuration frequency point is a measurement frequency point configured by the network equipment;
the method for using the cell corresponding to the configuration frequency point as a target cell for executing the call of the terminal equipment comprises the following steps:
Transmitting a measurement result of a cell corresponding to the configuration frequency point to the network equipment, and accessing the target cell based on the indication information transmitted by the network equipment; the indication information is sent based on the measurement result; or alternatively, the first and second heat exchangers may be,
aiming at the blind redirection mode, the configuration frequency point is a blind redirection cell frequency point configured by the network equipment;
the method for using the cell corresponding to the configuration frequency point as a target cell for executing the call of the terminal equipment comprises the following steps: and accessing the target cell.
5. A call method according to claim 1 or 2, wherein the target gate comprises at least one of:
a first threshold corresponding to Reference Signal Received Power (RSRP);
and a second threshold corresponding to the Reference Signal Received Quality (RSRQ).
6. A telephony device, comprising:
the measurement module is used for measuring the configuration frequency point configured by the network equipment under the condition that the terminal equipment uses an evolved packet system EPS fallback mode calling or called;
the processing module is used for determining whether the measurement result of the cell corresponding to the configuration frequency point meets a third threshold; the third threshold comprises a threshold corresponding to the reference signal receiving power;
The processing module is further configured to determine whether a measurement result of the cell corresponding to the configuration frequency point meets a target threshold when the measurement result of the cell corresponding to the configuration frequency point meets the third threshold; the target threshold is determined based on the limit sensitivity corresponding to the terminal equipment;
and the processing module is also used for taking the cell corresponding to the configuration frequency point as a target cell for the terminal equipment to execute the call under the condition that the measurement result of the cell corresponding to the configuration frequency point meets the target threshold.
7. The telephony device of claim 6, wherein the processing module is further configured to:
under the condition that the measurement result of the cell corresponding to the configuration frequency point does not meet the target threshold, measuring at least one neighbor cell of the terminal equipment in a first time length range;
and under the condition that the measurement result of a first neighbor cell in the at least one neighbor cell meets the target threshold, taking the first neighbor cell as a target cell for the terminal equipment to execute the call.
8. The telephony device of claim 7, wherein the processing module is further operable to:
under the condition that the measurement result of any one of the at least one neighbor cell does not meet the target threshold, taking the second neighbor cell as a target cell for the terminal equipment to execute the call; the second neighbor cell is a cell with the best signal quality in the measurement results of neighbor cells in the at least one neighbor cell.
9. A call device as claimed in claim 6 or 7, wherein,
aiming at a redirection mode based on measurement, the configuration frequency point is a measurement frequency point configured by the network equipment;
the processing module is specifically configured to:
aiming at a redirection mode based on measurement, sending a measurement result of a cell corresponding to the configuration frequency point to network equipment, and accessing the target cell based on indication information sent by the network equipment; the indication information is sent based on the measurement result; or alternatively, the first and second heat exchangers may be,
aiming at the blind redirection mode, the configuration frequency point is a blind redirection cell frequency point configured by the network equipment;
the processing module is specifically configured to:
and accessing the target cell.
10. The telephony device of claim 6 or 7, wherein the target threshold comprises at least one of:
a first threshold corresponding to Reference Signal Received Power (RSRP);
and a second threshold corresponding to the Reference Signal Received Quality (RSRQ).
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