Method and device for selection of residing cell and computer readable storage medium

A technology of staying in a cell or a cell, applied in the field of communication

Active Publication Date: 2019-02-26

CHINA MOBILE COMM LTD RES INST +1

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AI-Extracted Technical Summary

Problems solved by technology

In the prior art, there is no solution for how to select t...

Abstract

The present invention provides a method and a device for selection of a residing cell and a computer readable storage medium, and relates to the technical field of communication. The objective of theinvention is to allow terminals having different uplink emission gains to select appropriate residing cells. The method comprises the steps of: receiving cell selection parameters broadcasted by a base station, wherein the cell selection parameters comprise the maximum uplink emission gain allowed by a cell to be selected; obtaining an uplink emission gain compensation value according to the maximum uplink emission gain; obtaining a cell selection signal receiving power value according to the uplink emission gain compensation value; obtaining a cell selection signal receiving quality value according to the cell selection parameters; and when the cell selection signal receiving power value and the cell selection signal receiving quality value are both larger than 0, determining that the cell to be selected meets a residing condition. The method and the device for selection of the residing cell and the computer readable storage medium can allow the terminals having different uplink emission gains to be resided to appropriate cells.

Application Domain

Assess restriction

Technology Topic

EngineeringBase station +2

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Examples

Experimental program(1)

Example Embodiment

[0061] The specific embodiments of the present invention will be described in further detail below in conjunction with the drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

[0062] In the 4G era, considering the cost and difficulty of the UE, the UE has only one uplink transmitting antenna. In the 5G era, with technological development and high-frequency requirements for uplink enhancement, multiple types of UEs will appear, such as uplink dual-transmit UE or uplink 4-antenna UE. Multiple uplink transmitting antennas will bring more uplink gain, and the uplink gain will have a certain impact on the selection of the camping cell. In theory, every time the number of uplink transmitting antennas is doubled, an uplink coverage gain of 3dB will be obtained. The uplink gain brought by the multiple uplink transmitting antennas of the UE also needs to be considered in the selection of idle cells to ensure that different types of UEs can select suitable cells to camp on.

[0063] Such as figure 1 As shown, the method for selecting a camping cell in the embodiment of the present invention is applied to a terminal, and the method includes:

[0064] Step 101: Receive a cell selection parameter broadcast by a base station, where the cell selection parameter includes the maximum uplink transmission gain allowed by the cell to be selected.

[0065] In the embodiment of the present invention, the cell selection parameters may also include: the minimum reference signal received power that allows access to the cell to be selected, the received power offset related to the PLMN priority, and the transmission of the terminal Power-related compensation value.

[0066] Step 102: Obtain an uplink transmission gain compensation value according to the maximum uplink transmission gain.

[0067] Normally, if the terminal has one uplink transmit antenna, the terminal's transmit gain G=0dB; if the terminal has two uplink transmit antennas, the terminal's transmit gain G=3dB; if the terminal has four uplink transmit antennas, then The transmitting gain of the terminal G=6dB.

[0068] In this step, the difference between the maximum uplink transmission gain and the transmission gain of the terminal is compared with zero. If the difference between the maximum uplink transmission gain and the transmission gain of the terminal is greater than 0, determine the difference between the maximum uplink transmission gain and the transmission gain of the terminal as the uplink transmission gain compensation value; otherwise, determine The uplink transmission gain compensation value is 0.

[0069] Step 103: Obtain a cell selection signal received power value according to the uplink transmission gain compensation value.

[0070] Specifically, in this step, the terminal first performs measurement to obtain the cell downlink reference signal received power of the cell to be selected. Then, calculate the cell downlink reference signal received power of the cell to be selected, and the first difference between the minimum reference signal received power allowed to access the cell to be selected and the received power offset related to the PLMN priority Calculate the second difference between the first difference and the compensation value related to the transmission power of the terminal; calculate the third difference between the second difference and the uplink transmission gain compensation value, and compare the first difference The three difference value is used as the received power value of the cell selection signal.

[0071] Specifically, the cell selection signal received power value can be calculated according to the following formula:

[0072] Srxlev=Qrxlevmeas-(Qrxlevmin+Qrxlevminoffset)-Pcompensation

[0073] -Gcompensation

[0074] Among them, Srxlev represents the cell selection signal received power value, Qrxlevmeas represents the cell downlink reference signal received power of the cell to be selected, Qrxlevmin represents the minimum reference signal received power allowed to access the cell to be selected, and Qrxlevminoffset represents the reception related to the PLMN priority The power offset, Pcompensation represents the compensation value related to the transmission power of the terminal, and Gcompensation represents the uplink transmission gain compensation value.

[0075] Step 104: Obtain a cell selection signal reception quality value according to the cell selection parameter.

[0076] In the embodiment of the present invention, the method of calculating the received quality value of the cell selection signal is the same as that in the prior art. First, the terminal can measure the downlink reference signal reception quality of the cell, and determine the reference signal in the following manner based on the minimum reference signal reception quality received from the base station that allows access to the cell to be selected and the received power offset related to the PLMN priority Reception quality:

[0077] Squal=Qqualmeas-(Qqualmin+Qqualminoffset)

[0078] Among them, Squal represents the cell selection signal reception quality value, Qqualmeas represents the cell downlink reference signal reception quality measured by the terminal, Qqualmin represents the minimum reference signal reception quality allowed to access the cell to be selected, and Qqualminoffset represents the reception quality deviation related to the PLMN priority. Shift.

[0079] Step 105: When the received power value of the cell selection signal and the received quality value of the cell selection signal are both greater than 0, determine that the cell to be selected meets the camping condition.

[0080] In the embodiment of the present invention, considering the influence of the uplink gain brought by multiple uplink transmitting antennas on the selection of the camping cell, the uplink transmission gain compensation value is determined, and then the uplink transmission gain compensation value and the cell selection signal reception quality value are determined. And when the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell satisfies the camping condition. Therefore, using the scheme of the embodiment of the present invention can allow terminals with different uplink transmission gains to camp in a suitable cell.

[0081] Such as figure 2 As shown, the method for selecting a camping cell in the embodiment of the present invention is applied to a terminal, and the method includes:

[0082] Step 201: Receive cell selection parameters broadcast by the base station.

[0083] The meaning of the cell selection parameter is the same as in the prior art, and may include: the minimum reference signal received power allowed to access the cell to be selected, the received power offset related to the PLMN priority, and the The compensation value related to the terminal's transmit power.

[0084] Step 202: Obtain a cell selection signal received power value according to the uplink transmission gain of the terminal and the cell selection parameter.

[0085] Normally, if the terminal has one uplink transmit antenna, the terminal's transmit gain G=0dB; if the terminal has two uplink transmit antennas, the terminal's transmit gain G=3dB; if the terminal has four uplink transmit antennas, then The transmitting gain of the terminal G=6dB.

[0086] Specifically, in this step, the terminal obtains the cell downlink reference signal received power of the cell to be selected by measuring, and calculates the cell downlink reference signal received power of the cell to be selected and the minimum reference allowed to access the cell to be selected The first difference between the signal received power and the sum of the received power offset related to the PLMN priority; calculate the second difference between the first difference and the compensation value related to the terminal's transmit power; calculate the The sum of the second difference value and the uplink transmission gain of the terminal, using the sum as the cell selection signal received power value.

[0087] Here, the received power value of the cell selection signal can be determined according to the following formula:

[0088] Srxlev=Qrxlevmeas-(Qrxlevmin+Qrxlevminoffset)-Pcompensation

[0089] +Gcompensation

[0090] Among them, Srxlev represents the cell selection signal received power value, Qrxlevmeas represents the cell downlink reference signal received power of the cell to be selected, Qrxlevmin represents the minimum reference signal received power allowed to access the cell to be selected, and Qrxlevminoffset represents the reception related to the PLMN priority The power offset, Pcompensation represents the compensation value related to the transmission power of the terminal, and Gcompensation represents the uplink transmission gain compensation value.

[0091] Step 203: Obtain a cell selection signal reception quality value according to the cell selection parameter.

[0092] In the embodiment of the present invention, the method of calculating the received quality value of the cell selection signal is the same as that in the prior art. First, the terminal can measure the downlink reference signal reception quality of the cell, and determine the reference signal in the following manner based on the minimum reference signal reception quality received from the base station that allows access to the cell to be selected and the received power offset related to the PLMN priority Reception quality:

[0093] Squal=Qqualmeas-(Qqualmin+Qqualminoffset)

[0094] Among them, Squal represents the cell selection signal reception quality value, Qqualmeas represents the cell downlink reference signal reception quality measured by the terminal, Qqualmin represents the minimum reference signal reception quality allowed to access the cell to be selected, and Qqualminoffset represents the reception quality deviation related to the PLMN priority. Shift.

[0095] Step 204: When the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell to be selected meets the camping condition.

[0096] In the embodiment of the present invention, considering the influence of the uplink gain brought by multiple uplink transmitting antennas on the selection of the camping cell, the uplink transmission gain compensation value is determined, and then the uplink transmission gain compensation value and the cell selection signal reception quality value are determined. And when the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell satisfies the camping condition. Therefore, using the scheme of the embodiment of the present invention can allow terminals with different uplink transmission gains to camp in a suitable cell.

[0097] Such as image 3 As shown, the method for selecting a camping cell in the embodiment of the present invention is applied to a base station, and the method includes:

[0098] Step 301: Broadcast cell selection parameters to the terminal. The cell selection parameters include the maximum uplink transmission gain allowed by the cell to be selected, so that the terminal determines the uplink transmission gain compensation value according to the maximum uplink transmission gain allowed by the cell to be selected.

[0099] In the example of the present invention, the cell selection parameter may further include: the minimum reference signal received power allowed to access the cell to be selected, the received power offset related to the PLMN priority, and the transmit power related to the terminal The compensation value of, the minimum reference signal reception quality that allows access to the cell to be selected, the reception quality offset related to the PLMN priority, etc. Therefore, the terminal can select a cell to camp on according to these parameters.

[0100] In the embodiment of the present invention, considering the influence of the uplink gain brought by multiple uplink transmitting antennas on the selection of the camping cell, the uplink transmission gain compensation value is determined, and then the uplink transmission gain compensation value and the cell selection signal reception quality value are determined. And when the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell satisfies the camping condition. Therefore, using the scheme of the embodiment of the present invention can allow terminals with different uplink transmission gains to camp in a suitable cell.

[0101] Such as Figure 4 As shown, the terminal of the embodiment of the present invention includes: a processor 401 and a transceiver 402;

[0102] The transceiver 402 is configured to receive cell selection parameters broadcast by the base station under the control of the processor 401, where the cell selection parameters include the maximum uplink transmission gain allowed by the cell to be selected;

[0103] The processor 401 is configured to obtain an uplink transmission gain compensation value according to the maximum uplink transmission gain; obtain a cell selection signal reception power value according to the uplink transmission gain compensation value; obtain a cell selection signal reception quality according to the cell selection parameter Value; when the cell selection signal received power value and the cell selection signal received quality value are both greater than 0, it is determined that the cell to be selected meets the camping condition.

[0104] In practical applications, the processor 401 is further configured to, if the difference between the maximum uplink transmission gain and the transmission gain of the terminal is greater than 0, compare the maximum uplink transmission gain and the transmission gain of the terminal The difference is determined as the uplink transmission gain compensation value; otherwise, the uplink transmission gain compensation value is determined to be 0.

[0105] Wherein, the cell selection parameters further include: the minimum reference signal received power allowed to access the cell to be selected, the received power offset related to the priority of the public land mobile network PLMN, and the transmit power related to the terminal The compensation value;

[0106] The processor 401 is further configured to obtain the cell downlink reference signal received power of the cell to be selected; calculate the cell downlink reference signal received power of the cell to be selected, and the minimum reference signal allowed to access the cell to be selected The first difference between the received power and the sum of the received power offset related to the PLMN priority; calculate the second difference between the first difference and the compensation value related to the terminal's transmit power; calculate the first difference The third difference between the two differences and the uplink transmission gain compensation value, and the third difference is used as the cell selection signal received power value.

[0107] In the embodiment of the present invention, considering the influence of the uplink gain brought by multiple uplink transmitting antennas on the selection of the camping cell, the uplink transmission gain compensation value is determined, and then the uplink transmission gain compensation value and the cell selection signal reception quality value are determined. And when the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell satisfies the camping condition. Therefore, using the scheme of the embodiment of the present invention can allow terminals with different uplink transmission gains to camp in a suitable cell.

[0108] Such as Figure 5 As shown, the terminal of the embodiment of the present invention includes: a processor 501 and a transceiver 502;

[0109] The transceiver 502 is configured to receive cell selection parameters broadcast by the base station under the control of the processor 501;

[0110] The processor 501 is configured to obtain the cell selection signal reception power value according to the uplink transmission gain of the terminal and the cell selection parameter; obtain the cell selection signal reception quality value according to the cell selection parameter; when the cell selection signal reception power When the value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell to be selected meets the camping condition.

[0111] Wherein, the cell selection parameters include: a minimum reference signal received power allowing access to the cell to be selected, a received power offset related to PLMN priority, and a compensation value related to the terminal's transmit power;

[0112] The processor 501 is further configured to obtain the cell downlink reference signal reception power of the cell to be selected; calculate the cell downlink reference signal reception power of the cell to be selected and the minimum reference signal reception allowed to access the cell to be selected The first difference between the power and the sum of the received power offset related to the PLMN priority; calculate the second difference between the first difference and the compensation value related to the terminal's transmit power; calculate the second The sum of the difference and the uplink transmission gain of the terminal, and the sum is used as the received power value of the cell selection signal.

[0113] In the embodiment of the present invention, considering the influence of the uplink gain brought by multiple uplink transmitting antennas on the selection of the camping cell, the uplink transmission gain compensation value is determined, and then the uplink transmission gain compensation value and the cell selection signal reception quality value are determined. And when the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell satisfies the camping condition. Therefore, using the scheme of the embodiment of the present invention can allow terminals with different uplink transmission gains to camp in a suitable cell.

[0114] Such as Image 6 As shown, the base station of the embodiment of the present invention includes: a processor 601 and a transceiver 602;

[0115] The transceiver 602 is configured to broadcast cell selection parameters to the terminal under the control of the processor 601, and the cell selection parameters include the maximum uplink transmission gain allowed by the cell to be selected, so that the terminal can Select the maximum uplink transmission gain allowed by the cell to determine the uplink transmission gain compensation value.

[0116] In the embodiment of the present invention, considering the influence of the uplink gain brought by multiple uplink transmitting antennas on the selection of the camping cell, the uplink transmission gain compensation value is determined, and then the uplink transmission gain compensation value and the cell selection signal reception quality value are determined. And when the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell satisfies the camping condition. Therefore, using the scheme of the embodiment of the present invention can allow terminals with different uplink transmission gains to camp in a suitable cell.

[0117] Such as Figure 7 As shown, the base station of the embodiment of the present invention includes: a processor 700, configured to read a program in a memory 720, and execute the following process:

[0118] Broadcast cell selection parameters to the terminal through the transceiver 710, the cell selection parameters including the maximum uplink transmission gain allowed by the cell to be selected, so that the terminal determines the uplink transmission gain compensation value according to the maximum uplink transmission gain allowed by the cell to be selected .

[0119] The transceiver 710 is configured to receive and send data under the control of the processor 700.

[0120] Among them, in Figure 7 In this case, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 700 and various circuits of the memory represented by the memory 720 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein. The bus interface provides the interface. The transceiver 710 may be a plurality of elements, including a transmitter and a transceiver, and provide a unit for communicating with various other devices on a transmission medium. The processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 700 when performing operations.

[0121] The processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 700 when performing operations.

[0122] Such as Figure 8 As shown, the terminal of the embodiment of the present invention includes: a processor 800, configured to read a program in a memory 820, and execute the following process:

[0123] Receive the cell selection parameters broadcast by the base station through the transceiver 810, where the cell selection parameters include the maximum uplink transmission gain allowed by the cell to be selected; obtain the uplink transmission gain compensation value according to the maximum uplink transmission gain; compensate according to the uplink transmission gain Value to obtain the cell selection signal reception power value; obtain the cell selection signal reception quality value according to the cell selection parameters; when the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, determine the waiting Select the cell to meet the camping conditions.

[0124] The transceiver 810 is configured to receive and send data under the control of the processor 800.

[0125] Among them, in Figure 8 In the above, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 800 and various circuits of the memory represented by the memory 820 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein. The bus interface provides the interface. The transceiver 810 may be a plurality of elements, that is, include a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium. For different user equipment, the user interface 830 may also be an interface capable of connecting externally and internally with the required equipment. The connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.

[0126] The processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 can store data used by the processor 800 when performing operations.

[0127] The processor 800 is also used to read the computer program and execute the following steps:

[0128] If the difference between the maximum uplink transmission gain and the transmission gain of the terminal is greater than 0, determine the difference between the maximum uplink transmission gain and the transmission gain of the terminal as the uplink transmission gain compensation value; otherwise, determine The uplink transmission gain compensation value is 0.

[0129] The cell selection parameters also include: the minimum reference signal received power allowed to access the cell to be selected, the received power offset related to the public land mobile network PLMN priority, and the compensation related to the terminal's transmit power Value; the processor 800 is also used to read the computer program and perform the following steps:

[0130] Obtain the cell downlink reference signal received power of the cell to be selected;

[0131] Calculating the cell downlink reference signal received power of the cell to be selected and the first difference between the minimum reference signal received power allowed to access the cell to be selected and the received power offset related to the PLMN priority;

[0132] Calculating a second difference between the first difference and the compensation value related to the transmit power of the terminal;

[0133] Calculate a third difference between the second difference and the uplink transmission gain compensation value, and use the third difference as a cell selection signal received power value.

[0134] Such as Picture 9 As shown, the terminal of the embodiment of the present invention includes: a processor 900, configured to read a program in a memory 920, and execute the following process:

[0135] The cell selection parameter broadcast by the base station is received through the transceiver 910; the cell selection signal reception power value is obtained according to the uplink transmission gain of the terminal and the cell selection parameter; the cell selection signal reception quality value is obtained according to the cell selection parameter; when the cell When the selected signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell to be selected meets the camping condition.

[0136] The transceiver 910 is configured to receive and send data under the control of the processor 900.

[0137] Among them, in Picture 9 The bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 900 and various circuits of the memory represented by the memory 920 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein. The bus interface provides the interface. The transceiver 910 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium. For different user equipment, the user interface 930 may also be an interface capable of connecting externally and internally with the required equipment. The connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.

[0138] The processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 900 when performing operations.

[0139] The cell selection parameters include: the minimum reference signal received power that allows access to the cell to be selected, the received power offset related to the PLMN priority, and the compensation value related to the terminal's transmit power; the processor 900 also uses After reading the computer program, perform the following steps:

[0140] Obtain the cell downlink reference signal received power of the cell to be selected;

[0141] Calculating the first difference between the received power of the downlink reference signal of the cell to be selected and the minimum reference signal received power allowed to access the cell to be selected and the received power offset related to the PLMN priority;

[0142] Calculating a second difference between the first difference and the compensation value related to the transmit power of the terminal;

[0143] Calculate the sum of the second difference and the uplink transmission gain of the terminal, and use the sum as the cell selection signal received power value.

[0144] In addition, the computer-readable storage medium of the embodiment of the present invention is used to store a computer program, and the computer program can be executed by a processor to implement the following steps:

[0145] Receiving cell selection parameters broadcast by the base station, where the cell selection parameters include the maximum uplink transmission gain allowed by the cell to be selected;

[0146] Obtaining an uplink transmission gain compensation value according to the maximum uplink transmission gain;

[0147] Obtaining the cell selection signal received power value according to the uplink transmission gain compensation value;

[0148] Obtaining a cell selection signal reception quality value according to the cell selection parameter;

[0149] When the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell to be selected meets the camping condition.

[0150] Wherein, the obtaining an uplink transmission gain compensation value according to the maximum uplink transmission gain includes:

[0151] If the difference between the maximum uplink transmission gain and the transmission gain of the terminal is greater than 0, determine the difference between the maximum uplink transmission gain and the transmission gain of the terminal as the uplink transmission gain compensation value; otherwise, determine The uplink transmission gain compensation value is 0.

[0152] Wherein, the cell selection parameters further include: the minimum reference signal received power allowed to access the cell to be selected, the received power offset related to the priority of the public land mobile network PLMN, and the transmit power related to the terminal The compensation value;

[0153] The obtaining the cell selection signal received power value according to the uplink transmission gain compensation value includes:

[0154] Obtain the cell downlink reference signal received power of the cell to be selected;

[0155] Calculating the cell downlink reference signal received power of the cell to be selected and the first difference between the minimum reference signal received power allowed to access the cell to be selected and the received power offset related to the PLMN priority;

[0156] Calculating a second difference between the first difference and the compensation value related to the transmit power of the terminal;

[0157] Calculate a third difference between the second difference and the uplink transmission gain compensation value, and use the third difference as a cell selection signal received power value.

[0158] In addition, the computer-readable storage medium of the embodiment of the present invention is used to store a computer program, and the computer program can be executed by a processor to implement the following steps:

[0159] Receive cell selection parameters broadcast by the base station;

[0160] Obtaining the received power value of the cell selection signal according to the uplink transmission gain of the terminal and the cell selection parameter;

[0161] Obtaining a cell selection signal reception quality value according to the cell selection parameter;

[0162] When the cell selection signal reception power value and the cell selection signal reception quality value are both greater than 0, it is determined that the cell to be selected meets the camping condition.

[0163] Wherein, the cell selection parameters include: a minimum reference signal received power allowing access to the cell to be selected, a received power offset related to PLMN priority, and a compensation value related to the terminal's transmit power;

[0164] The obtaining the received power value of the cell selection signal according to the uplink transmission gain of the terminal and the cell selection parameter includes:

[0165] Obtain the cell downlink reference signal received power of the cell to be selected;

[0166] Calculating the first difference between the received power of the downlink reference signal of the cell to be selected and the minimum reference signal received power allowed to access the cell to be selected and the received power offset related to the PLMN priority;

[0167] Calculating a second difference between the first difference and the compensation value related to the transmit power of the terminal;

[0168] Calculate the sum of the second difference and the uplink transmission gain of the terminal, and use the sum as the cell selection signal received power value.

[0169] In addition, the computer-readable storage medium of the embodiment of the present invention is used to store a computer program, and the computer program can be executed by a processor to implement the following steps:

[0170] The cell selection parameter is broadcast to the terminal, and the cell selection parameter includes the maximum uplink transmission gain allowed by the cell to be selected, so that the terminal determines the uplink transmission gain compensation value according to the maximum uplink transmission gain allowed by the cell to be selected.

[0171] In the several embodiments provided in this application, it should be understood that the disclosed method and device can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.

[0172] In addition, the functional units in each embodiment of the present invention may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit can be realized in the form of hardware or in the form of hardware plus software functional unit.

[0173] The above-mentioned integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The above-mentioned software function unit is stored in a storage medium, and includes several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute part of the steps of the transceiver method described in each embodiment of the present invention. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disks or optical disks, etc., which can store program code Medium.

[0174] The above are the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present invention, several improvements and modifications can be made, and these improvements and modifications are also It should be regarded as the protection scope of the present invention.

PUM

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