阅读说明：本技术 无线通信方法、终端设备和网络设备 (Wireless communication method, terminal equipment and network equipment ) 是由 杨宁 于 2019-08-05 设计创作，主要内容包括：本申请实施例提供了一种无线通信方法、终端设备和网络设备,终端设备通过调整TA,可以实现NTN系统中的上行同步。该无线通信方法包括：终端设备接收网络设备发送的第一信息,该第一信息用于调整TA。(The embodiment of the application provides a wireless communication method, terminal equipment and network equipment, wherein the terminal equipment can realize uplink synchronization in an NTN system by adjusting TA. The wireless communication method includes: the terminal equipment receives first information sent by the network equipment, and the first information is used for adjusting TA.)

A method of wireless communication, comprising:

the terminal equipment receives first information sent by the network equipment, wherein the first information is used for adjusting the timing advance TA.

The method of claim 1, wherein the first information comprises at least one of the following information:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The method of claim 2, further comprising:

and the terminal equipment adjusts the TA according to the first information and the first TA.

The method of claim 3, wherein the first TA is one of:

the timing advance command TAC medium access control element MAC CE indicates the TA, the random access response RAR indicates the TA, and the TA after the last adjustment.

The method according to claim 3 or 4,

if the first TA is a TA indicated in a TAC MAC CE or a TA indicated in an RAR and is a 1 st TA adjustment, the adjusted TA is the first TA + step length of the TA adjustment; alternatively, the first and second electrodes may be,

if the first TA is a TA indicated in the TAC MAC CE or a TA indicated in the RAR and is an ith TA adjustment, where the adjusted TA is the first TA + i TA cumulative adjustment value, i is a positive integer, and i > 1; alternatively, the first and second electrodes may be,

if the first TA is the TA after the i-1 th adjustment and is the ith TA adjustment, the adjusted TA is the first TA + the step length of the TA adjustment, i is a positive integer, and i > 2.

The method of claim 1, wherein the first information comprises at least one of the following information:

the method comprises the steps of at least one TA adjustment, a time interval of at least one TA adjustment, a time point of at least one TA adjustment, at least one condition for triggering TA adjustment, at least one group identifier, and at least one auxiliary adjustment uplink TA function opening indication message.

The method of claim 6, wherein at least some of the first information satisfies a one-to-one correspondence.

The method according to claim 6 or 7, wherein at least part of the first information satisfies a one-to-many correspondence relationship.

The method according to any of claims 6 to 8, wherein at least one of the following information used by different group identities of the identified terminal groups in the first information has different values:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The method according to any one of claims 6 to 9, further comprising:

the terminal equipment determines first TA adjusting information in the first information according to the corresponding group information or group identification,

wherein the first TA adjustment information includes at least one of:

the method comprises the steps of first TA adjustment, a time interval of the first TA adjustment, a time point of the first TA adjustment, a condition of first trigger TA adjustment and first auxiliary adjustment uplink TA function starting indication information.

The method of claim 10, further comprising:

and the terminal equipment adjusts the TA according to the first TA adjustment information and the first TA.

The method of claim 11, wherein the first TA is one of:

TA indicated in TAC carried in MAC CE, TA indicated in RAR, and TA after last adjustment.

The method according to claim 11 or 12,

if the first TA is a TA indicated in a TAC MAC CE or a TA indicated in an RAR and is a 1 st TA adjustment, the adjusted TA is the first TA + step length of the first TA adjustment; alternatively, the first and second electrodes may be,

if the first TA is a TA indicated in the TAC MAC CE or a TA indicated in the RAR and is an ith TA adjustment, where the adjusted TA is the first TA + i TA cumulative adjustment value, i is a positive integer, and i > 1; alternatively, the first and second electrodes may be,

if the first TA is the TA after the i-1 th adjustment and is the ith TA adjustment, the adjusted TA is the first TA + the step length of the first TA adjustment, i is a positive integer, and i > 2.

The method of claim 1, wherein the first information comprises:

at least one TA adjustment information group, at least one usage order, and at least one group identity, wherein the at least one usage order indicates a usage order of the at least one TA adjustment information group, respectively, and the TA adjustment information group includes at least one of:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The method of claim 14, further comprising:

and the terminal equipment determines a first using sequence in the at least one using sequence according to the corresponding group information or the group identification.

The method of claim 15, further comprising:

and the terminal equipment adjusts the TA according to the at least one TA adjustment information group, the first using sequence and the first TA.

The method of claim 16, wherein the first TA is one of:

TA indicated in TAC carried in MAC CE, TA indicated in RAR, and TA after last adjustment.

The method of claim 16 or 17,

if the first TA is a TA indicated in the TAC MAC CE or a TA indicated in the RAR and is a 1 st TA adjustment, the adjusted TA is the step length of the first TA + TA adjustment; alternatively, the first and second electrodes may be,

if the first TA is the TA after the i-1 th adjustment and the ith TA adjustment, the adjusted TA is the step length of the first TA + TA adjustment, i is a positive integer, and i > 2.

The method of claim 1, wherein the first information comprises:

at least one TA adjustment information group and a TA adjustment order, wherein the TA adjustment order indicates a usage order of the at least one TA adjustment information group, and the TA adjustment information group includes at least one of:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The method of claim 19, further comprising:

and the terminal equipment adjusts the TA according to the at least one TA adjustment information group, the TA adjustment sequence and the first TA.

The method of claim 20, wherein the first TA is one of:

TA indicated in TAC MAC CE, TA indicated in RAR, and TA after last adjustment.

The method of claim 20 or 21,

if the first TA is a TA indicated in the TAC MAC CE or a TA indicated in the RAR and is a 1 st TA adjustment, the adjusted TA is the step length of the first TA + TA adjustment; alternatively, the first and second electrodes may be,

if the first TA is the TA after the i-1 th adjustment and the ith TA adjustment, the adjusted TA is the step length of the first TA + TA adjustment, i is a positive integer, and i > 2.

The method according to claim 10, 11, 12, 13, 15, 16, 17 or 18, wherein the group information or group identifier corresponding to the terminal device is configured by the network device, or wherein the group information or group identifier corresponding to the terminal device is preset.

The method according to claim 10, 11, 12, 13, 15, 16, 17 or 18, wherein the group information or group identifier corresponding to the terminal device is determined according to a first correspondence, wherein the first correspondence is used to indicate a correspondence between the at least one group identifier and at least one terminal identifier, and the at least one terminal identifier includes an identifier of the terminal device.

The method of claim 24, wherein the first mapping relationship is configured or preconfigured for the network device, or wherein the first mapping relationship is preset, or wherein the first mapping relationship is determined for the terminal device.

The method of claim 25,

the first corresponding relation is determined according to the state information of the network equipment and/or the terminal equipment;

wherein the status information comprises at least one of:

positioning information, velocity information, motion trajectory, star-orbit, ephemeris, measurements, and measurement information.

The method according to claim 10, 11, 12, 13, 15, 16, 17 or 18, wherein the group information or group identification corresponding to the terminal device is determined or predefined for the terminal device and/or the network device.

The method according to claim 27, wherein the group information or group identifier corresponding to the terminal device is determined or predefined by the terminal device and/or the network device according to its state information;

wherein the status information comprises at least one of:

positioning information, velocity information, motion trajectory, star-orbit, ephemeris, measurements, and measurement information.

The method according to any of claims 2-28, wherein said condition triggering TA adjustment comprises at least one of:

the difference value of the positions measured by the terminal equipment twice is larger than the threshold value, the difference value of the Reference Signal Received Power (RSRP) measured by the terminal equipment twice is larger than the threshold value, and the speed of the terminal equipment is larger than the threshold value.

The method of any one of claims 1 to 29, further comprising:

and during the running period of the first timer, the terminal equipment adjusts the TA according to the first information and the first TA.

The method of claim 30, further comprising:

the terminal equipment receives second information sent by the network equipment, wherein the second information indicates a second TA;

the terminal equipment adjusts uplink synchronization according to the second TA;

starting the first timer at the moment of receiving the second information; or, starting the first timer at the time when the uplink synchronization is adjusted according to the second TA.

The method of claim 31, wherein the second information is information carrying a TAC MAC CE or a downlink shared channel DL-SCH, or wherein the second information is an RAR.

The method of any one of claims 30 to 32, further comprising:

the terminal equipment receives third information during the running period of the first timer, and the third information indicates a third TA;

and the terminal equipment adjusts uplink synchronization according to the third TA.

The method of claim 33, wherein the third information is information carrying TAC MAC CE or DL-SCH, or wherein the third information is RAR.

The method according to any of claims 30-34, wherein the first TA is one of:

TA indicated in TAC MAC CE, TA indicated in RAR, and TA after last adjustment.

The method according to any one of claims 1 to 35, wherein the receiving, by the terminal device, the first information sent by the network device comprises:

and the terminal equipment receives the first information sent by the network equipment through broadcasting or dedicated Radio Resource Control (RRC) signaling.

The method of any one of claims 1 to 36, further comprising:

the terminal device sends first indication information to the network device, wherein the first indication information is used for indicating the capability of the terminal device for supporting TA adjustment.

The method of any one of claims 1 to 37, further comprising:

and if the terminal equipment does not support the TA adjusting capability, the terminal equipment ignores or skips the first information.

A method of wireless communication, comprising:

the network equipment sends first information to the terminal equipment, wherein the first information is used for adjusting the timing advance TA.

The method of claim 39, wherein the first information comprises at least one of the following information:

the method comprises the steps of TA adjustment, TA adjustment time interval, TA adjustment time point trigger, TA adjustment conditions and auxiliary adjustment uplink TA function starting indication information.

The method of claim 39, wherein the first information comprises at least one of the following information:

the method comprises the steps of at least one TA adjustment, a time interval of at least one TA adjustment, a time point of at least one TA adjustment, at least one condition for triggering TA adjustment, at least one group identifier, and at least one auxiliary adjustment uplink TA function opening indication message.

The method of claim 41, wherein at least some of the first information satisfies a one-to-one correspondence.

The method according to claim 41 or 42, wherein at least part of the first information satisfies a one-to-many correspondence relationship.

The method according to any of claims 41 to 43, wherein at least one of the following information used by different group identities of the identified terminal groups in the first information has different values:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The method of claim 39, wherein the first information comprises:

at least one TA adjustment information group, at least one usage order, and at least one group identity, wherein the at least one usage order indicates a usage order of the at least one TA adjustment information group, respectively, and the TA adjustment information group includes at least one of:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The method of claim 39, wherein the first information comprises:

at least one TA adjustment information group and a TA adjustment order, wherein the TA adjustment order indicates a usage order of the at least one TA adjustment information group, and the TA adjustment information group includes at least one of:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The method of any one of claims 41 to 45, further comprising:

the network device sends first configuration information to the terminal device, where the first configuration information is used to configure group information or a group identifier corresponding to the terminal device, or the first configuration information is used to configure a first correspondence, where the first correspondence is used to indicate a correspondence between the at least one group identifier and at least one terminal identifier, and the at least one terminal identifier includes an identifier of the terminal device.

The method of claim 47, wherein the first mapping relationship is configured by the network device according to status information of the network device, wherein the status information comprises at least one of:

positioning information, velocity information, motion trajectory, star-orbit, ephemeris, measurements, and measurement information.

The method according to any of claims 40-48, wherein said condition triggering TA adjustment comprises at least one of:

the difference value of the positions measured by the terminal equipment twice is larger than the threshold value, the difference value of the reference signal received power RSRP measured by the terminal equipment twice is larger than the threshold value, and the speed of the terminal equipment is larger than the threshold value.

The method of any one of claims 39 to 49, further comprising:

and the network equipment sends second information to the terminal equipment, wherein the second information indicates a second TA, and the second TA is used for the terminal equipment to adjust uplink synchronization.

The method according to claim 50, wherein the second information is information carrying a timing advance command TAC media Access control element (MAC CE) or a downlink shared channel (DL-SCH), or wherein the second information is a Random Access Response (RAR).

The method of claim 50 or 51, further comprising:

the network device sends second configuration information to the terminal device, wherein the second configuration information is used for configuring a first timer, and the terminal device adjusts TA according to the first information and the first TA during the running period of the first timer.

The method of claim 52, wherein the first TA is one of:

TA indicated in TAC MAC CE, TA indicated in RAR, and TA after last adjustment.

The method of claim 52 or 53,

starting the first timer at the moment of receiving the second information; alternatively, the first and second electrodes may be,

and starting the first timer at the time when the uplink synchronization is adjusted according to the second TA.

The method of any one of claims 52 to 54, further comprising:

and during the running period of the first timer, the network equipment sends third information to the terminal equipment, and the third information indicates a third TA which is used for the terminal equipment to adjust uplink synchronization.

The method of claim 55, wherein the third information is a DL-SCH or information carrying a TAC MAC CE, or wherein the third information is RAR.

The method according to any of claims 39 to 56, wherein the network device sends first information to the terminal device, comprising:

and the network equipment sends the first information to the terminal equipment through broadcasting or dedicated Radio Resource Control (RRC) signaling.

The method of any one of claims 39 to 57, further comprising:

the network device receives first indication information sent by the terminal device, wherein the first indication information is used for indicating the capability of the terminal device for supporting TA adjustment.

A terminal device, comprising:

a communication unit, configured to receive first information sent by a network device, where the first information is used to adjust a timing advance TA.

The terminal device of claim 59, wherein the first information comprises at least one of the following information:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The terminal device of claim 60, wherein the terminal device further comprises:

and the processing unit is used for adjusting the TA according to the first information and the first TA.

The terminal device of claim 61, wherein the first TA is one of:

the timing advance command TAC medium access control element MAC CE indicates the TA, the random access response RAR indicates the TA, and the TA after the last adjustment.

The terminal device of claim 61 or 62,

if the first TA is a TA indicated in a TAC MAC CE or a TA indicated in an RAR and is a 1 st TA adjustment, the adjusted TA is the first TA + step length of the TA adjustment; alternatively, the first and second electrodes may be,

if the first TA is a TA indicated in the TAC MAC CE or a TA indicated in the RAR and is an ith TA adjustment, where the adjusted TA is the first TA + i TA cumulative adjustment value, i is a positive integer, and i > 1; alternatively, the first and second electrodes may be,

if the first TA is the TA after the i-1 th adjustment and is the ith TA adjustment, the adjusted TA is the first TA + the step length of the TA adjustment, i is a positive integer, and i > 2.

The terminal device of claim 59, wherein the first information comprises at least one of the following information:

the method comprises the steps of at least one TA adjustment, a time interval of at least one TA adjustment, a time point of at least one TA adjustment, at least one condition for triggering TA adjustment, at least one group identifier, and at least one auxiliary adjustment uplink TA function opening indication message.

The terminal device of claim 64, wherein at least some of the first information satisfies a one-to-one correspondence.

The terminal device according to claim 64 or 65, wherein at least some of the first information satisfies a one-to-many correspondence relationship.

The terminal device of any of claims 64-66, wherein at least one of the following information used by different group identities of the terminal group identified in the first information has different values:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The terminal device according to any of claims 64-67, wherein the terminal device further comprises:

a processing unit, configured to determine first TA adjustment information in the first information according to the corresponding group information or group identifier,

wherein the first TA adjustment information includes at least one of:

the method comprises the steps of first TA adjustment, a time interval of the first TA adjustment, a time point of the first TA adjustment, a condition of first trigger TA adjustment and first auxiliary adjustment uplink TA function starting indication information.

The terminal device of claim 68, wherein the processing unit is further configured to adjust TA based on the first TA adjustment information and first TA.

The terminal device of claim 69, wherein the first TA is one of:

TA indicated in TAC MAC CE, TA indicated in RAR, and TA after last adjustment.

The terminal device of claim 69 or 70,

if the first TA is a TA indicated in a TAC MAC CE or a TA indicated in an RAR and is a 1 st TA adjustment, the adjusted TA is the first TA + step length of the first TA adjustment; alternatively, the first and second electrodes may be,

if the first TA is a TA indicated in the TAC MAC CE or a TA indicated in the RAR and is an ith TA adjustment, where the adjusted TA is the first TA + i TA cumulative adjustment value, i is a positive integer, and i > 1; alternatively, the first and second electrodes may be,

if the first TA is the TA after the i-1 th adjustment and is the ith TA adjustment, the adjusted TA is the first TA + the step length of the first TA adjustment, i is a positive integer, and i > 2.

The terminal device of claim 59, wherein the first information comprises:

at least one TA adjustment information group, at least one usage order, and at least one group identity, wherein the at least one usage order indicates a usage order of the at least one TA adjustment information group, respectively, and the TA adjustment information group includes at least one of:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The terminal device of claim 72, wherein the terminal device further comprises:

and the processing unit is used for determining a first use order in the at least one use order according to the corresponding group information or group identification.

The terminal device of claim 73, wherein the processing unit is further configured to adjust TA based on the at least one TA adjustment information group, the first order of use, and the first TA.

The terminal device of claim 74, wherein the first TA is one of:

TA indicated in TAC MAC CE, TA indicated in RAR, and TA after last adjustment.

The terminal device according to claim 74 or 75,

if the first TA is a TA indicated in the TAC MAC CE or a TA indicated in the RAR and is a 1 st TA adjustment, the adjusted TA is the step length of the first TA + TA adjustment; alternatively, the first and second electrodes may be,

if the first TA is the TA after the i-1 th adjustment and the ith TA adjustment, the adjusted TA is the step length of the first TA + TA adjustment, i is a positive integer, and i > 2.

The terminal device of claim 59, wherein the first information comprises:

at least one TA adjustment information group and a TA adjustment order, wherein the TA adjustment order indicates a usage order of the at least one TA adjustment information group, and the TA adjustment information group includes at least one of:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The terminal device of claim 77, wherein the terminal device further comprises:

and the processing unit is used for adjusting the TA according to the at least one TA adjustment information group, the TA adjustment sequence and the first TA.

The terminal device of claim 78, wherein the first TA is one of:

TA indicated in TAC MAC CE, TA indicated in RAR, TA after last adjustment.

The terminal device of claim 78 or 79,

if the first TA is a TA indicated in the TAC MAC CE or a TA indicated in the RAR and is a 1 st TA adjustment, the adjusted TA is the step length of the first TA + TA adjustment; alternatively, the first and second electrodes may be,

if the first TA is the TA after the i-1 th adjustment and the ith TA adjustment, the adjusted TA is the step length of the first TA + TA adjustment, i is a positive integer, and i > 2.

The terminal device of claim 68, 69, 70, 71, 73, 74, 75 or 76, wherein the group information or group identifier corresponding to the terminal device is configured by the network device, or wherein the group information or group identifier corresponding to the terminal device is preset.

The terminal device of claim 68, 69, 70, 71, 73, 74, 75 or 76, wherein the group information or group identifier to which the terminal device corresponds is determined according to a first correspondence, wherein the first correspondence is used to indicate a correspondence between the at least one group identifier and at least one terminal identifier, and the at least one terminal identifier includes an identifier of the terminal device.

The terminal device of claim 82, wherein the first correspondence is configured or preconfigured for the network device, or wherein the first correspondence is preset, or wherein the first correspondence is determined for the terminal device.

The terminal device according to claim 83, wherein the first correspondence is determined according to status information of the network device and/or the terminal device;

wherein the status information comprises at least one of:

positioning information, velocity information, motion trajectory, star-orbit, ephemeris, measurements, and measurement information.

The terminal device of claim 68, 69, 70, 71, 73, 74, 75 or 76, wherein the group information or group identification corresponding to the terminal device is determined or predefined for the terminal device and/or the network device.

The terminal device according to claim 85, wherein the group information or group identifier corresponding to the terminal device is determined or predefined by the terminal device and/or the network device according to its status information;

wherein the status information comprises at least one of:

positioning information, velocity information, motion trajectory, star-orbit, ephemeris, measurements, and measurement information.

The terminal device of any one of claims 60 to 86, wherein the condition triggering TA adjustment comprises at least one of:

the difference value of the positions measured by the terminal equipment twice is larger than the threshold value, the difference value of the reference signal received power RSRP measured by the terminal equipment twice is larger than the threshold value, and the speed of the terminal equipment is larger than the threshold value.

The terminal device according to any one of claims 59 to 87, wherein the terminal device further comprises:

and the processing unit is used for adjusting the TA according to the first information and the first TA during the running period of the first timer.

The terminal device of claim 88,

the communication unit is further configured to receive second information sent by the network device, where the second information indicates a second TA;

the processing unit is further configured to adjust uplink synchronization according to the second TA;

starting the first timer at the moment of receiving the second information; or, starting the first timer at the time when the uplink synchronization is adjusted according to the second TA.

The terminal device of claim 89, wherein the second information is information carrying a TAC MAC CE or a downlink shared channel DL-SCH, or wherein the second information is an RAR.

The terminal device of any one of claims 88 to 90,

the communication unit is further configured to receive third information during operation of the first timer, and a third TA is indicated in the third information;

the processing unit is further configured to adjust uplink synchronization according to the third TA.

The terminal device of claim 91, wherein the third information is information carrying a TAC MAC CE or a DL-SCH, or wherein the third information is a RAR.

The terminal device of any one of claims 88-92, wherein the first TA is one of:

TA indicated in TAC MAC CE, TA indicated in RAR, and TA after last adjustment.

The terminal device according to any of claims 59 to 93, wherein the communication unit is specifically configured to:

and receiving the first information sent by the network equipment through broadcasting or dedicated Radio Resource Control (RRC) signaling.

The terminal device according to any of claims 59 to 94, wherein the communication unit is further configured to send first indication information to the network device, the first indication information indicating a capability of the terminal device to support TA adjustment.

The terminal device according to any of claims 59 to 95, wherein the terminal device further comprises:

and the processing unit is used for ignoring or skipping the first information if the terminal equipment does not support the TA adjustment capability.

A network device, comprising:

a communication unit, configured to send first information to a terminal device, where the first information is used to adjust a timing advance TA.

The network device of claim 97, wherein the first information comprises at least one of:

the method comprises the steps of TA adjustment, TA adjustment time interval, TA adjustment time point trigger, TA adjustment conditions and auxiliary adjustment uplink TA function starting indication information.

The network device of claim 97, wherein the first information comprises at least one of:

the method comprises the steps of at least one TA adjustment, a time interval of at least one TA adjustment, a time point of at least one TA adjustment, at least one condition for triggering TA adjustment, at least one group identifier, and at least one auxiliary adjustment uplink TA function opening indication message.

The network device of claim 99, wherein at least some of the first information satisfies a one-to-one correspondence.

The network device of claim 99 or 100, wherein at least some of the first information satisfies a one-to-many correspondence relationship.

The network device of any one of claims 99 to 101, wherein at least one of the following information used by different group identities of the terminal groups in the first information has different values:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The network device of claim 97, wherein the first information comprises:

at least one TA adjustment information group, at least one usage order, and at least one group identity, wherein the at least one usage order indicates a usage order of the at least one TA adjustment information group, respectively, and the TA adjustment information group includes at least one of:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The network device of claim 97, wherein the first information comprises:

at least one TA adjustment information group and a TA adjustment order, wherein the TA adjustment order indicates a usage order of the at least one TA adjustment information group, and the TA adjustment information group includes at least one of:

the method comprises the steps of TA adjustment, the time interval of TA adjustment, the time point of TA adjustment, the condition for triggering TA adjustment and the indication information for assisting in adjusting the uplink TA function starting.

The network device according to any one of claims 99 to 103, wherein the communication unit is further configured to send first configuration information to the terminal device, where the first configuration information is used to configure group information or a group identifier corresponding to the terminal device, or the first configuration information is used to configure a first correspondence relationship, where the first correspondence relationship is used to indicate a correspondence relationship between the at least one group identifier and at least one terminal identifier, and the at least one terminal identifier includes an identifier of the terminal device.

The network device of claim 105, wherein the first correspondence is configured for the network device according to its state information, wherein the state information comprises at least one of:

positioning information, velocity information, motion trajectory, star-orbit, ephemeris, measurements, and measurement information.

The network device of any one of claims 98 to 106, wherein the condition that triggers TA adjustment comprises at least one of:

the difference value of the positions measured by the terminal equipment twice is larger than the threshold value, the difference value of the reference signal received power RSRP measured by the terminal equipment twice is larger than the threshold value, and the speed of the terminal equipment is larger than the threshold value.

The network device according to any one of claims 97 to 107, wherein the communication unit is further configured to send second information to the terminal device, where the second information indicates a second TA, and the second TA is used by the terminal device to adjust uplink synchronization.

The network device of claim 108, wherein the second information is information carrying a timing advance command TAC media access control element, MAC CE, or a downlink shared channel, DL-SCH, or wherein the second information is a random access response, RAR.

The network device of claim 108 or 109, wherein the communication unit is further configured to send second configuration information to the terminal device, and wherein the second configuration information is used to configure a first timer, and wherein during operation of the first timer, the terminal device adjusts TA according to the first information and the first TA.

The network device of claim 110, wherein the first TA is one of:

TA indicated in TAC MAC CE, TA indicated in RAR, TA after last adjustment.

The network device of claim 110 or 111,

starting the first timer at the moment of receiving the second information; alternatively, the first and second electrodes may be,

and starting the first timer at the time when the uplink synchronization is adjusted according to the second TA.

The network device according to any one of claims 110 to 112, wherein the communication unit is further configured to send third information to the terminal device during operation of the first timer, and a third TA is indicated in the third information, and the third TA is used for the terminal device to adjust uplink synchronization.

The network device of claim 113, wherein the third information is information carrying TAC MAC CE or DL-SCH, or wherein the third information is RAR.

The network device of any one of claims 97 to 114, wherein the communication unit is specifically configured to:

and sending the first information to the terminal equipment through broadcasting or dedicated Radio Resource Control (RRC) signaling.

The network device according to any one of claims 97 to 115, wherein the communication unit is further configured to receive first indication information sent by the terminal device, and the first indication information is used to indicate a capability of the terminal device to support TA adjustment.

A terminal device, comprising: a processor and a memory, the memory for storing a computer program, the processor for invoking and executing the computer program stored in the memory, performing the method of any one of claims 1 to 38.

A network device, comprising: a processor and a memory, the memory for storing a computer program, the processor for invoking and executing the computer program stored in the memory, performing the method of any one of claims 39 to 58.

An apparatus, comprising: a processor for calling and running a computer program from a memory to cause a device in which the apparatus is installed to perform the method of any one of claims 1 to 38.

An apparatus, comprising: a processor for invoking and running a computer program from a memory, causing an apparatus having the apparatus installed therein to perform the method of any of claims 39-58.

A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 38.

A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 39 to 58.

A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 1 to 38.

A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 39 to 58.

A computer program, characterized in that the computer program causes a computer to perform the method according to any one of claims 1 to 38.

A computer program, characterized in that the computer program causes a computer to perform the method according to any one of claims 39 to 58.