Transmission method, device, communication device, and storage medium

Abstract

In an embodiment of the present application, a transmission method, an apparatus, a communication device, and a storage medium are disclosed, the method including obtaining first information related to a transmission timing or receiving a third time transmitted from a network device, and the transmission timing of the terminal includes the third time.

Description

[Technical Field]

[0001] (CROSS-REFERENCE TO RELATED APPLICATIONS) This application is based on and claims priority to Chinese Patent Application No. 202111333234.4, filed in China on November 11, 2021, the entire contents of which are hereby incorporated by reference into this application. The present application relates to the field of communications, in particular to transmission methods, devices, communication equipment and storage media. [Background technology]

[0002] Wireless communication, especially long-distance wireless communication, faces the problem of wireless transmission delay. In existing technologies, to avoid inter-code interference and ensure that the arrival times from different wireless communication terminals to the base station are all within the cyclic prefix (CP) range, the user equipment (UE) needs to transmit data packets in advance.

[0003] The actual timing of a UE's uplink transmission depends on the downlink timing and timing advance (TA). In some specific scenarios, the downlink timing may change suddenly or have a large time difference, so that the UE's uplink timing adjustment cannot meet the actual needs, resulting in inaccurate uplink timing, which will affect the base station's uplink demodulation and reduce system performance. Summary of the Invention [Problem to be solved by the invention]

[0004] The embodiments of the present application provide a transmission method, an apparatus, a communication device, and a storage medium for solving related technical problems. [Means for solving the problem]

[0005] The technical solution of the embodiment of the present application is implemented as follows.

[0006] In an embodiment of the present application, a transmission method applied to a terminal, comprising: A transmission method is provided that includes obtaining first information, the first information being information related to transmission timing.

[0007] Preferably, the first information includes synchronization signal block (SSB, Synchronization Signal and PBCH block) information, If the received beam is an SSB in the SSB information or the received Quasi Co-location (QCL) is an SSB in the SSB information, the method includes: The method further includes the terminal applying a first adjustment to the adjustment of the transmission timing.

[0008] Preferably, the SSB information is It includes at least one of an SSB index, SSB pairing information, SSB group information, and SSB group pairing information.

[0009] Preferably, the first information includes SSB information; If the received beam is an SSB in the SSB information or the received QCL is an SSB in the SSB information, the transmission timing of the terminal includes a second time; The second time period is Reception time difference, Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and and a transmission timing error.

[0010] Preferably, the first information is a first threshold value IncludingIf the first time is equal to or greater than the first threshold value, If, The terminal applies a first adjustment to the adjustment of the transmission timing. Use, The first time period is Reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, and and a transmission timing error.

[0011] Preferably, the first information includes a first threshold value, When the first time is equal to or greater than a first threshold, the transmission timing of the terminal includes a second time; The second time period is Reception time difference, Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and a transmission timing error; The first time period is Reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, and and a transmission timing error.

[0012] Preferably, the reception time difference is Reception time difference due to changes in the terminal's receiving beam, The reception time difference due to changes in the network's transmitting beam, and and a reception time difference due to a change in the transmission path.

[0013] Preferably, the first adjustment includes the terminal adjusting the transmission timing in a single adjustment.

[0014] Preferably, the transmission timing after the first adjustment is The timing information includes at least one of a timing advance, an upstream / downstream conversion time, and a second time.

[0015] Preferably, the method comprises: The method further includes receiving first instruction information sent from the network device, the first instruction information being for instructing the terminal whether to start the first adjustment.

[0016] Preferably, the method comprises: Sent from network devices A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information, and third indication information indicating whether to initiate the first coordination between the two network units.

[0017] Preferably, the method comprises: transmitting second information to the network device; The second information is fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of the time when the first adjustment was performed.

[0018] Preferably, the first information further includes timing advance indication information, and the timing advance indication information is for indicating a timing advance index range.

[0019] In an embodiment of the present application, a transmission method applied to a terminal, comprising: receiving a third time transmitted from the network device; A transmission method is further provided, wherein the transmission timing of the terminal includes the third time.

[0020] Preferably, the third time includes a time difference due to beam transformation.

[0021] Preferably, receiving the third time transmitted from the network device includes: receiving a Transmission Configuration Indicator (TCI) state transition signaling sent from a network device, the TCI state transition signaling including the third time; Or, receiving a timing advance command transmitted from a network device, the timing advance command including the third time;

[0022] Preferably, the method comprises: The method further includes obtaining threshold information, and when the reception time difference of the terminal satisfies the i-th threshold of the threshold information, the value of the third time becomes the j-th value corresponding to the i-th threshold.

[0023] Preferably, the transmission timing of the terminal is including at least one of a first timing advance, an upstream / downstream conversion time, and a second timing advance; The second timing advance includes the third time.

[0024] Preferably, the transmission timing of the terminal is The timing advance includes at least one of a first timing advance, an upstream / downstream conversion time, a second timing advance, and the third time.

[0025] Preferably, the method comprises: further comprising transmitting third information to the network device; The third information is Information on whether to support receiving timing advance (TA) information attached to the TCI state switch; and whether or not adjustment to changes in uplink timing due to sudden changes in reception time is supported.

[0026] In an embodiment of the present application, there is provided a transmission method applied to a network device, comprising: transmitting the first information or the third time to the terminal; A transmission method is provided, wherein the first information is information related to a transmission timing of the terminal, and the third time is information related to a transmission timing of the terminal.

[0027] Preferably, transmitting the third time to the terminal comprises: sending a transmission configuration indication (TCI) state change signaling to the terminal, the signaling including the third time; or transmitting a timing advance command to the terminal, the timing advance command including the third time.

[0028] Preferably, the third time includes a time difference due to beam transformation.

[0029] Preferably, the method comprises: receiving third information from the terminal; The third information Information on whether to support receiving timing advance (TA) information attached to the TCI state switch; and whether or not adjustment to changes in uplink timing due to sudden changes in reception time is supported.

[0030] Preferably, the first information includes SSB information; The SSB information is SSB index and SSB pairing information and SSB group information and It includes at least one of SSB group pairing information.

[0031] Preferably, the method comprises: The method further includes sending first instruction information to the terminal, the first instruction information being for instructing the terminal whether to start the first adjustment.

[0032] Preferably, the method comprises: A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information, and third indication information indicating whether to initiate the first coordination between the two network units to the terminal.

[0033] Preferably, the first information further includes timing advance indication information, and the timing advance indication information is for indicating a timing advance index range.

[0034] Preferably, the method comprises: receiving second information from the terminal; The second information is fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of the time when the first adjustment was performed.

[0035] In an embodiment of the present application, a transmitting device applied to a terminal, comprising: a first acquiring unit configured to acquire first information; A transmitting device is provided, wherein the first information is information related to transmission timing.

[0036] Preferably, the first information includes SSB information; If the received beam is an SSB in the SSB information or the received QCL is an SSB in the SSB information, the device further includes a first adjustment unit configured to cause the terminal to apply a first adjustment to the adjustment of the transmission timing.

[0037] Preferably, the SSB information is: It includes at least one of an SSB index, SSB pairing information, SSB group information, and SSB group pairing information.

[0038] Preferably, the first information includes SSB information; If the received beam is an SSB in the SSB information or the received QCL is an SSB in the SSB information, the transmission timing of the terminal includes a second time; The second time period is Reception time difference, Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and and a transmission timing error.

[0039] Preferably, the first information is a first threshold value Including fruit, When the first time is equal to or greater than a first threshold, the first adjusting unit: configured to apply a first adjustment to the adjustment of the transmission timing; The first time period is Reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, and and a transmission timing error.

[0040] Preferably, the first information includes a first threshold value, When the first time is equal to or greater than a first threshold, the transmission timing of the terminal includes a second time; The second time period is Reception time difference, Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and a transmission timing error; The first time period is Reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, and and a transmission timing error.

[0041] Preferably, the reception time difference is Reception time difference due to changes in the terminal's receiving beam, The reception time difference due to changes in the network's transmitting beam, and and a reception time difference due to a change in the transmission path.

[0042] In some embodiments, the first adjustment comprises: This includes the terminal adjusting the transmission timing in one adjustment.

[0043] Preferably, the transmission timing after the first adjustment is The timing information includes at least one of a timing advance, an upstream / downstream conversion time, and a second time.

[0044] In some embodiments, the second receiving unit is configured to receive first instruction information sent from a network device, the first instruction information being for instructing the terminal whether to initiate first adjustment.

[0045] Preferably, the second receiving unit: Sent from network devices A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information, and third indication information indicating whether to initiate the first coordination between the two network units.

[0046] Preferably, the device comprises: further comprising a second transmitting unit configured to transmit second information to the network device; The second information is fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of the time when the first adjustment was performed.

[0047] Preferably, the first information further includes timing advance indication information, and the timing advance indication information is for indicating a timing advance index range.

[0048] In an embodiment of the present disclosure, a transmitting device applicable to a terminal is provided, the transmitting device including a first receiving unit configured to receive a third time transmitted from a network device, and the transmission timing of the terminal includes the third time.

[0049] Preferably, the third time includes a time difference due to beam transformation.

[0050] Preferably, the first receiving unit receives a TCI state change signaling sent from a network device, the TCI state change signaling including the third time; or Or, The network device is configured to receive a timing advance command sent from the network device, the timing advance command including the third time.

[0051] Preferably, the device further includes a second acquisition unit configured to acquire threshold information, and when the reception time difference of the terminal meets the i-th threshold of the threshold information, the third time value becomes the j-th value corresponding to the i-th threshold.

[0052] Preferably, the transmission timing of the terminal is including at least one of a first timing advance, an upstream / downstream conversion time, and a second timing advance; The second timing advance includes the third time.

[0053] Preferably, the transmission timing of the terminal is The timing advance includes at least one of a first timing advance, an upstream / downstream conversion time, a second timing advance, and the third time.

[0054] Preferably, the apparatus further includes a third sending unit configured to send third information to the network device; The third information is Information on whether to support receiving timing advance (TA) information attached to the TCI state switch; and whether or not adjustment to changes in uplink timing due to sudden changes in reception time is supported.

[0055] In an embodiment of the present application, there is provided a transmitting device applied to a network device, a first transmitting unit configured to transmit the first information or the third time to the terminal; A transmitting device is provided, wherein the first information is information related to a transmission timing of the terminal, and the third time is information related to the transmission timing of the terminal.

[0056] Preferably, the first transmitting unit transmits to the terminal a TCI state change signaling including the third time, or The timing advance command is configured to transmit to the terminal a timing advance command including the third time.

[0057] Preferably, the third time includes a time difference due to beam transformation.

[0058] Preferably, the apparatus further includes a third receiving unit configured to receive third information from the terminal; The third information Information on whether to support receiving timing advance (TA) information attached to the TCI state switch; and whether or not adjustment to changes in uplink timing due to sudden changes in reception time is supported.

[0059] Preferably, the first information includes SSB information; The SSB information is SSB index and SSB pairing information and SSB group information and It includes at least one of SSB group pairing information.

[0060] Preferably, the first sending unit is configured to send first instruction information to the terminal, and the first instruction information is for instructing the terminal whether to start the first adjustment.

[0061] Preferably, the first transmitting unit: A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information, and third indication information indicating whether to initiate the first coordination between the two network units, to the terminal.

[0062] Preferably, the first information further includes timing advance indication information, and the timing advance indication information is for indicating a timing advance index range.

[0063] Preferably, the third receiving unit is configured to receive second information from the terminal, the second information being: fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of the time when the first adjustment was performed.

[0064] In an embodiment of the present application, there is provided a communications device including a processor and a memory configured to store a computer program executable on the processor, wherein the processor is configured to, when executing the computer program, perform any one of the steps of the method performed by a terminal side; or The processor is configured to, when executing the computer program, perform the steps of any one of the methods performed by another terminal; or The processor is configured to, when executing the computer program, perform the steps of any one of the methods performed by a network device.

[0065] In an embodiment of the present application, there is further provided a computer-readable storage medium on which a computer program is stored, the computer program, when executed by a processor, implementing any one of the steps of the method performed by a terminal side, or The computer program, when executed by a processor, implements the steps of any one of the methods performed by another terminal; or When the computer program is executed by a processor, it implements the steps of any one of the methods executed by the network device. [Effects of the Invention]

[0066] In a transmission method, a device, a communication device, and a storage medium according to an embodiment of the present application, the method includes receiving first information, the first information being information related to a transmission timing, such that a terminal can determine a transmission timing based on the received first information.

[0067] In the transmission method, the device, the communication device, and the storage medium according to the embodiments of the present application, the method includes receiving a third time transmitted from a network device, and the transmission timing of the terminal includes the third time, so that the terminal can directly determine the transmission timing based on the received third information. [Brief explanation of the drawings]

[0068] [Figure 1] FIG. 1 is a reference schematic diagram of the value of Te. [Figure 2]FIG. 1 is a reference diagram of the value of Tq. [Figure 3] Schematic diagram showing the application of HST-DPS mode. [Figure 4] 1 is a flowchart of a transmission method according to an embodiment of the present application; [Figure 5] FIG. 1 is a schematic diagram of SSB switching according to an embodiment of the present application. [Figure 6] 4 is a flowchart of another transmission method according to an embodiment of the present application; [Figure 7] 4 is a flowchart of a further transmission method according to an embodiment of the present application; [Figure 8] 1 is a structural schematic diagram of a transmitting device according to an embodiment of the present application; [Figure 9] FIG. 2 is a structural schematic diagram of another transmitting device according to an embodiment of the present application; [Figure 10] FIG. 10 is a structural schematic diagram of a further transmitting device according to an embodiment of the present application; [Figure 11] 1 is a structural schematic diagram of a communication device according to an embodiment of the present application; DETAILED DESCRIPTION OF THE INVENTION

[0069] Before describing the present application in more detail in conjunction with the embodiments, the related art will first be described.

[0070] As mentioned above, to avoid inter-code interference and ensure that the arrival times from different terminals in the wireless communication to the base station are all within the CP, the UE needs to transmit the data packets in advance by a certain time. Based on the downlink timing, the UE usually TA +N TA_offset )*Tc is the basic time unit of 5G (5th Generation Mobile Communication Technology), Tc=1 / (480*10^3*4096), approximately 0.5×10^(-3)us, and N TA_offset is the upstream and downstream conversion time, the value is related to the deployment method / coexistence scenario, "*" indicates multiplication, and NTA is the timing advance (TA) adjustment value, and N TA is related to the TA command, and when transmitting the preamble, N TA = 0, and the actual timing of the UE's uplink transmission depends on the downlink timing and timing advance.

[0071] The Random Access Response (RAR) of the random access process is accompanied by a TA command, which contains a TA index value (T A ) is attached. At this time, the actual adjustment value N required for the ascending time TA =T A *16Ts= T A *16*64Tc. In the connected state, the terminal receives T A The UE receives the previous TA adjustment value (N TA,old ) and newly received TA command (T A ) based on the latest TA adjustment value (N TA,new ) is calculated using the following formula:

[0072] N TA,new =N TA,old +(T A -31)×16Ts=N TA,old +(T A -31)×16×64Tc=N TA,old +(T A -31)×(16*64 / 2^u) Here, u is related to the subcarrier spacing (SCS), and if the SCS is 15KHz, u=0, if the SCS is 30KHz, u=1, if the SCS is 60KHz, u=2, if the SCS is 120KHz, u=3, and if the SCS is 240KHz, u=4. Ts is the basic time unit of 4G, and Ts=1 / (15*10^3)*2048, approximately 32.55×10^(-9) s.

[0073] Due to the influence of transmission path changes, crystal oscillator misalignment, and Doppler frequency shift due to movement, the UE needs to continuously update the timing advance of the uplink timing. Until it receives a new TA command, the UE automatically adjusts the uplink transmission timing based on the previous TA command, and the actual transmission timing (downlink timing 1 - (N TA1 +N TA_offset )*Tc) ideal transmission timing (downstream timing 2-(N TA1 +N TA_offset )*Tc)) to meet a certain accuracy requirement Te. When the UE performs automatic uplink timing adjustment, it must comply with the adjustment rules specified in the standard so that the maximum time adjustment range does not exceed Tq. Please refer to Figures 1 and 2 for the specific requirements of Te and Tq.

[0074] In the above-mentioned existing technology, the actual timing of the UE's uplink transmission depends on the downlink timing and timing advance. In some specific scenarios, sudden changes in the downlink timing may cause the above-mentioned UE's automatic uplink timing adjustment to fail to meet actual needs. For example, in a high-speed railway scenario, especially in a high-speed railway based on Dynamic Point Selection (DPS) mode that uses the frequency range from 2-24.25 GHz to 52.6 GHz (FR2), the above-mentioned UE's automatic uplink timing adjustment based on actual deployment needs can hardly meet actual needs. The resulting inaccuracy in the uplink timing will affect the base station's uplink demodulation and reduce system performance.

[0075] The HST-DPS mode of a high-speed train (HST) refers to a method in which remote radio heads (RRHs) of multiple cells share the same cell ID, but only one RRH transmits data to the terminal at any given time. Specifically, as shown in Figure 3, RRHs #0 to #3 share the same cell ID, but only one RRH transmits data to the terminal at any given time. As the terminal moves, a conversion from RRH #0 to RRH #1 occurs through a conversion of the Transmission Configuration Indicator (TCI).

[0076] As mentioned above, the transition from RRH#0 to RRH#1 is a beam shift for the terminal. However, it results in a large difference in transmission delay between the original downlink beam direction and the target downlink beam direction, resulting in a change in downlink timing, preventing the original TA from meeting requirements. For example, in a typical deployment where the distance between base stations is 700m, the transmission delay difference between the original downlink beam and the target downlink beam reaching the terminal can reach as much as 2.33us. Taking a 120kHz SCS as an example, the transmission delay difference of 2.33us is four times the CP (0.57us). However, the maximum step size that the UE can automatically adjust is only 2.5×64Tc=8×10^(-4)us, which cannot compensate for sudden timing changes caused by sudden changes in downlink delay, causing serious system problems. Here, we explain the existing problem using a high-speed railway scenario as an example, but this problem is not limited to high-speed railways. The above-mentioned problem also exists when a large difference in the terminal's reception time occurs or a sudden change occurs in the terminal's reception timing due to a change in the network's downstream transmission beam, a change in the terminal's reception beam, or a change in the transmission path.

[0077] Based on this, in the method according to the embodiment of the present application, the terminal acquires first information, the first information being information related to a transmission timing, or the terminal receives a third time transmitted from a network device, and the transmission timing of the terminal includes the third time.

[0078] The present application is described in more detail below.

[0079] 4 is a flowchart of a transmission method according to an embodiment of the present application. As shown in FIG. 4, the transmission method is applied to terminals such as mobile phones, smartphones, notebook computers, digital broadcast receivers, personal digital assistants (PDAs), tablet PCs (PADs), portable multimedia players (PMPs), wearable devices (e.g., smart bands, smart watches, etc.), navigation devices, etc., and the method includes step 401.

[0080] Step 401 includes obtaining first information, where the first information is information related to transmission timing.

[0081] Here, the transmission timing may also be described as uplink timing (UL timing).

[0082] In practical applications, the transmission timing may be predefined by a protocol, or may be notified to the terminal from the network side.

[0083] Based on this, in some embodiments, obtaining the first information comprises: The terminal determines the transmission timing according to what is predefined by the protocol; receiving network information (or signaling); and determining a transmission timing based on the network information (or signaling), wherein the network information (or signaling) is accompanied by or includes the transmission timing.

[0084] In some embodiments, the first information includes synchronization signal block (SSB) information, If the received beam is an SSB in the SSB information, or if the received quasi-co-located QCL is an SSB in the SSB information, the method includes: The method further includes the terminal applying a first adjustment to the adjustment of the transmission timing.

[0085] Here, the received beam refers to a beam of information transmitted from a network device, and the received QCL refers to a QCL of information transmitted from the network device. The information transmitted from the network device may be information related to transmission timing or information for determining transmission timing.

[0086] Here, the fact that the received beam is an SSB in the SSB information means that there is a QCL relationship between the SSB indicated in the SSB information and a physical downlink shared channel (PDSCH), a physical downlink control channel (PDCCH), a reference signal (e.g., a channel state information reference signal (CSI-RS), a positioning reference signal (PRS)), and the SSB. The QCL relationship can be indicated by a TCI state.

[0087] Here, cases where a large timing error (or a large one-step adjustment is required) occur only in certain SSBs (e.g., switching from a specific SSB6 to another specific SSB7). For example, switching from SSB6 to SSB7 or from SSB4 to SSB5 does not cause a large time error, so the first adjustment does not need to be performed. However, when switching from SSB5 to SSB6, a large time error exists, so the first adjustment is required. Therefore, the terminal may be implicitly notified of when to perform the first adjustment by using an SSB indication. That is, the SSB information indicates the SSB for which the first adjustment should be performed, and the terminal applies the first adjustment to the transmission timing adjustment when it determines that the received beam is the SS in the SSB information or when it determines that the received QCL is the SSB in the SSB information.

[0088] The above proposal applies to scenarios where routes are relatively fixed, such as high-speed rail or airplanes.

[0089] In some embodiments, the SSB information comprises: It includes at least one of an SSB index, SSB pairing information, SSB group information, and SSB group pairing information.

[0090] The SSB index includes, for example, a target SSB beam for beam switching or a target SSB beam for cell switching. The SSB index may include one or more SSB indices. If the target SSB beam corresponds to the SSB index indicated in the SSB information, the terminal applies the first adjustment.

[0091] The SSB pairing information includes an SSB pairing index, and / or an SSB index constituting the SSB pairing, and / or a mapping / correspondence between the SSB pairing and the SSB index. The SSB pairing information may include information on multiple pairs of SSB pairings. If the source beam index and target beam index of the beam switching correspond to the SSB pairing information, the terminal applies the first adjustment.

[0092] The SSB group information includes an SSB group index and / or an SSB index within the SSB group. The SSB group information may include information on multiple SSB groups. For the SSBs within the group, the terminal applies the first adjustment.

[0093] The SSB group pairing information includes an SSB group pair index, and / or an SSB group index constituting the SSB group pairing, and / or a mapping / correspondence between the SSB group pairing and the SSB group index. The SSB group pairing information may include information on multiple pairs of SSB group pairings. If the source beam index and target beam index of the beam switching correspond to two paired SSB groups, respectively (i.e., if beam switching occurs between two paired SSB groups), the terminal applies the first adjustment.

[0094] In some embodiments, the first information includes SSB information, and if the received beam is an SSB in the SSB information or the received QCL is an SSB in the SSB information, the transmission timing of the terminal includes a second time.

[0095] Here, the received beam refers to a beam of information transmitted from a network device, and the received QCL refers to a QCL of information transmitted from the network device. The information transmitted from the network device may be information related to transmission timing or information for determining transmission timing.

[0096] The second time represents the timing error to be adjusted (ie, the time error adjusted by the first adjustment).

[0097] In some embodiments, the first information is a first threshold value. Including If the first time is equal to or greater than the first threshold value, If, The terminal applies the first adjustment to the transmission timing. do.

[0098] Here, the first time represents a time difference.

[0099] That is, if the terminal determines that the time difference exceeds a preset first threshold, it considers that a large timing error exists (or a large one-step adjustment is required), and the terminal can apply a first adjustment to adjust the transmission timing, thereby ensuring uplink transmission performance.

[0100] In some embodiments, the first information is a first threshold value. Including fruit, If the first time is equal to or greater than the first threshold, the transmission timing of the terminal includes the second time.

[0101] Here, the first time represents a time difference, and the second time represents a timing error to be adjusted (or may be understood as a time error adjusted by the first adjustment).

[0102] That is, if the terminal determines that the time difference exceeds a preset first threshold, it considers that a large timing error exists (or a large one-step adjustment is required), and the terminal applies a first adjustment to the adjustment of the transmission timing, and the transmission timing determined after the adjustment includes the second time.

[0103] Here, the first threshold value is either instructed by the network device to the terminal through first signaling, or is predefined by a protocol.

[0104] The first threshold is related to the subcarrier spacing.

[0105] In some embodiments, the second period of time comprises: A reception time difference including the time difference between the reception timing at time T1 and the reception timing at time T2 of the terminal; Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and a transmission timing error; Here, the reception time may also be described as downlink timing (DL timing).

[0106] The transmission timing error includes an error relative to a reference timing.

[0107] The reference timing can be understood as an ideal value, specifically, the sum of the terminal's downlink timing and the timing advance attached to the timing advance command when there is no error. However, in reality, errors may occur in the terminal's estimation of the downlink timing, and the effects of changes in the transmission path, temperature, and crystal oscillator deviations can cause changes in the timing advance, so these two values ​​cannot reach a perfect state. Therefore, the transmission timing error here must include the error relative to the reference timing.

[0108] The reason for doubling the difference between the reception time before the first adjustment and the reception time after the first adjustment is that the adjustment of the upstream timing is performed with reference to the downstream timing, and therefore the round-trip time difference between the upstream and downstream must be taken into account.

[0109] In some embodiments, the first time period comprises: A reception time difference including the time difference between the reception timing at time T1 and the reception timing at time T2 of the terminal; The difference between the reception time before the first adjustment and the reception time after the first adjustment, and a transmission timing error, which includes an error relative to a reference timing.

[0110] Here, the reception time difference includes the time difference between the reception timing at the terminal at time T1 and the reception timing at time T2.

[0111] The transmission timing error includes an error relative to a reference timing.

[0112] In some embodiments, the reception time difference is: Reception time difference due to changes in the terminal's receiving beam, The reception time difference due to changes in the network's transmitting beam, and and a reception time difference due to a change in the transmission path.

[0113] Here, the reception time difference due to a change in the receiving beam of the terminal includes the beam time difference. For example, if the receiving beam is changed from receiving beam i to receiving beam j, the reception time difference due to a change in the receiving beam of the terminal includes the time difference between the receiving time of beam i and the receiving time of beam j.

[0114] The reception time difference due to a change in the transmission path includes a difference in the reception time at the terminal (or a difference in the reception timing at the terminal) due to a change in the transmission path.

[0115] The reception time difference due to a change in the transmission path includes a difference in the reception time at the terminal (or a difference in the reception timing at the terminal) due to a change in the transmission path.

[0116] In some embodiments, the first adjustment includes the terminal adjusting its transmit timing in a single adjustment.

[0117] In related art, the uplink timing is adjusted through multiple fine adjustments (multiple small step adjustments). However, when the transmission timing error is large, the existing technology is unable to adjust the error in a timely manner, resulting in degradation of system performance. The first adjustment in the embodiments of the present application refers to the terminal completing the timing error adjustment in one adjustment, and the step of this adjustment can be made larger to meet the need for timely adjustment for large errors. After the one adjustment using the large step is completed, if there is any remaining error, it can be adjusted using the multiple fine adjustment methods of the existing technology.

[0118] Whether to perform a single adjustment by a large step (or one-step adjustment, i.e., may also be referred to as a first adjustment) can be determined based on the magnitude of the time difference to be adjusted (for example, in the case of the first time described above). When the time difference to be adjusted is large (for example, when the first time is equal to or greater than the first threshold), the terminal adjusts the transmission timing based on the first adjustment (i.e., one adjustment). When the time difference to be adjusted is small (for example, when the first time is equal to or less than the first threshold), the terminal adjusts the transmission timing based on existing technology.

[0119] In some embodiments, the transmit timing after the first adjustment is: The timing information includes at least one of a timing advance, an upstream / downstream conversion time, and a second time.

[0120] Specifically, after the terminal performs one step of adjustment, the transmission timing is [N TA +N TA_offset ) * Tc + 2 × reception time difference]. Furthermore, the new downlink timing may be used as the reference.

[0121] where N TA indicates the timing advance, and N TA_offset is the conversion time between the upstream and downstream, and Tc is the basic time unit of 5G, which is approximately 0.5×10^(-3)us.

[0122] The second time is 2× the reception time difference.

[0123] The second time period is, as described above, Reception time difference, Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and and a transmission timing error.

[0124] In practical applications, an explicit manner may be provided to instruct the terminal whether to initiate the first adjustment.

[0125] Based on this, in some embodiments, the method comprises: The method further includes receiving first instruction information sent from the network device, the first instruction information being for instructing the terminal whether to start the first adjustment.

[0126] In this way, the network device can clearly notify the terminal whether to start the first adjustment by using the first instruction information.

[0127] In practical applications, an implicit manner may be provided to instruct the terminal whether to initiate the first adjustment.

[0128] Based on this, in some embodiments, the method comprises: Sent from network devices A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information, and third indication information indicating whether to initiate the first coordination between the two network units.

[0129] Specifically, the second instruction information in the high-speed rail scenario includes the FR2 high-speed rail scenario and the FR1 high-speed rail scenario. As described above regarding the high-speed rail scenario, the deployment method of the high-speed rail scenario causes a sudden change in the terminal's reception time due to a change in the route, which can lead to an upstream timing problem. Here, an implicit method is provided for instructing the terminal to initiate a first adjustment. Specifically, when the terminal receives the second instruction information indicating that it is currently in the high-speed rail scenario, it can predict that a transmission timing problem may occur, and therefore initiate a first adjustment.

[0130] Furthermore, the second indication information indicating whether the high-speed railway scenario is in a high-speed railway scenario may also include a specific high-speed railway deployment mode, such as HST-DPS (HST-Dynamic Point Selection), HST-SFN (HST-Single Frequency network), unidirectional reception (where different remote radio heads transmit in the same direction), and bidirectional reception (where adjacent remote radio heads transmit in opposite directions, or which may be described as a face-to-face communication mode). Because different deployment modes have different effects on transmission timing, the terminal can determine whether to initiate first adjustment based on the deployment mode in which it is currently located. Optionally, network information may further indicate whether the first adjustment can be initiated for each deployment mode. Alternatively, an implicit method may be adopted, where the protocol predefines which deployment modes allow the first adjustment to be initiated, allowing the terminal to determine whether to initiate first adjustment after learning the deployment mode in which it is currently located.

[0131] The TCI conversion information includes information for performing TCI conversion between different remote radio heads. In this scenario, a sudden change in the reception time of the terminal due to a change in the path may cause an uplink timing problem. Based on the TCI conversion information, it is also possible to implicitly instruct the terminal to initiate a first adjustment. That is, when the terminal receives the TCI conversion information, it can predict that a transmission timing problem may occur, and therefore, it can initiate a first adjustment.

[0132] The network unit includes an RRH and a transmission and reception point (TRP). The third instruction information, which indicates whether to initiate first coordination between the two network units, is used to indicate whether to allow the terminal to initiate first coordination when the terminal is located midway between the two network units. In this way, the third instruction information can also be used to implicitly instruct the terminal to initiate first coordination. Taking a high-speed railway scenario as an example, timing issues become most severe when the terminal is located midway between two RRHs. Therefore, the terminal is only allowed to initiate first coordination at this location and is not allowed to initiate first coordination at other geographical locations. Furthermore, the network can indicate whether the terminal is located midway between two RRHs through signaling. Furthermore, the terminal can also independently determine whether it is located midway between two RRHs by using Doppler frequency deviation, etc.

[0133] In some embodiments, the method further comprises: transmitting second information to the network device; The second information is fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of the time when the first adjustment was performed.

[0134] In some embodiments, the first information further includes timing advance indication information, and the timing advance indication information is for indicating a timing advance index range.

[0135] Specifically, the range of the timing advance index attached to the timing advance command used in the existing technology is 0 to 3846. In the embodiment of the present application, a method for indicating the timing advance index range is provided because the timing advance provided by the existing technology cannot meet the requirements in consideration of sudden changes in reception time difference due to beam transformation, etc. Specifically, the range of the timing advance index attached to the timing advance command is extended to meet the needs of the application. That is, the range of the timing advance index indicated by the timing advance indication information may exceed 0 to 3846.

[0136] Furthermore, taking into account additional impacts on the terminal, the network device can instruct the terminal through timing advance indication information whether the network device is using the timing advance index range of the existing technology (i.e., 0 to 3846) or an extended timing advance index range (i.e., a range beyond 0 to 3846), thereby enabling the terminal to adopt a different algorithm.

[0137] In some embodiments, obtaining the first information comprises: receiving SSB information from a network device; receiving timing advance indication information from the network device; receiving a first threshold value from the network device.

[0138] In some embodiments, obtaining the first information includes determining a first time.

[0139] That is, at least one of the reception time difference, the difference between the reception time before the first adjustment and the reception time after the first adjustment, and the transmission timing error is determined.

[0140] The first information is determined based on interaction information (including timestamps) between the terminal and the network device, and a detailed description thereof will be omitted here.

[0141] 6 is a flowchart of another transmission method according to an embodiment of the present application. As shown in FIG. 6, the method is applied to terminals such as mobile phones, smartphones, notebook computers, digital broadcast receivers, personal digital assistants (PDAs), tablet PCs (PADs), portable multimedia players (PMPs), wearable devices (such as smart bands and smart watches), navigation devices, etc., and the method includes step 601.

[0142] Step 601: receiving a third time transmitted from a network device, and the transmission timing of the terminal includes the third time;

[0143] In some embodiments, the third time includes a time difference due to beam transformation.

[0144] Here, the time difference due to beam transformation is This includes the reception time difference at the terminal due to switching or changing of the network equipment's transmission beam, and / or the reception time difference at the terminal due to switching or changing of the terminal's reception beam.

[0145] In some embodiments, receiving the third time transmitted from the network device comprises: receiving a transmission configuration indication (TCI) state transition signaling sent from the network device, the transmission configuration indication (TCI) state transition signaling including the third time; Or, receiving a timing advance command transmitted from the network device, the timing advance command including the third time;

[0146] In some embodiments, the method further comprises: The method further includes obtaining threshold information, and when the reception time difference of the terminal satisfies the i-th threshold of the threshold information, the value of the third time becomes the j-th value corresponding to the i-th threshold.

[0147] Here, the threshold information includes at least one threshold and a third time value corresponding to each of the thresholds, for example, an i-th threshold and a j-th value corresponding to the i-th threshold.

[0148] The threshold information may be transmitted by a network device to a terminal through network signaling.

[0149] After the terminal obtains the threshold information, if the terminal's reception time difference meets the i-th threshold of the threshold information, the value of the third time will be the j-th value. In application, the network device will transmit candidate values ​​of the third time related to the transmission timing to the terminal through network signaling in advance, and the terminal will select the corresponding value of the third time based on the actual reception time difference.

[0150] For example, when the reception time difference is greater than the first threshold value and less than the second threshold value, the third time is the first value. When the reception time difference is greater than the second threshold value and less than the third threshold value, the third time is the second value. When the reception time difference is greater than the first threshold and less than the second threshold, the third time is the first value. When the reception time difference is greater than the (N-1)th threshold and smaller than the Nth threshold, the third time is the (N-1)th value. If the reception time difference is greater than the N-th threshold, the third time is the N-th value.

[0151] In some embodiments, the transmission timing of the terminal is The timing advance includes at least one of a first timing advance, an upstream / downstream conversion time, and a second timing advance.

[0152] Here, the second timing advance includes a third time, i.e., the influence of the reception time difference and / or the influence of movement, temperature, crystal oscillator, etc. (which are factors that affect the timing advance and are considered in the existing technology).

[0153] In application, the terminal may transmit uplink data in advance by [(NTA+NTA_offset)*Tc], where N TA_offset indicates the up- and down-transfer time, Tc is approximately 0.5×10^(-3)us, and N TA = First timing advance + (Second timing advance - 31) x 16Ts = First timing advance + (Second timing advance - 31) x 16 x 64Tc.

[0154] Here, the second timing advance may be delivered from the network device (for example, when the network device delivers it through TCI state transition signaling or a Timing Advance Command), and the value of the second timing advance includes the influence of the third time. That is, the network device informs the terminal of the third time in an implicit manner. Therefore, the terminal may directly use the second timing advance when performing transmission timing.

[0155] In some embodiments, the transmission timing of the terminal is: The timing advance includes at least one of a first timing advance, an upstream-to-downstream conversion time, a second timing advance, and a third time.

[0156] In this embodiment, the network device notifies the terminal of the reception time difference of the terminal due to potential beam adjustment. The network device notifies the terminal of the third time in an explicit manner.

[0157] The first timing advance is obtained by the previous Timing Advance Command, and the second timing advance is obtained by the current Timing Advance Command.

[0158] In application, the terminal may transmit uplink data [(NTA+NTA_offset)*Tc] in advance.

[0159] where N TA = First timing advance + (Second timing advance + Third time - 31) x 16Ts = First timing advance + (Second timing advance amount + Third time - 31) x 16 x 64Tc.

[0160] N TA_offset indicates the upstream and downstream conversion time, and Tc is approximately 0.5×10^(-3)us.

[0161] Specifically, after the terminal receives the third time (including the time difference due to beam transformation (or at least one candidate TA value)) transmitted from the network device, it determines the TA value corresponding to the third time based on the determined reception time difference and threshold information, and adjusts the uplink transmission timing based on the TA value. Based on the new downlink timing, it transmits the uplink data as [(N TA +N TA_offset )*Tc] is sent in advance.

[0162] where N TA =N TA,old +(T A_ビーム変化 -31)×16Ts=N TA,old +(T A_ビーム変化 -31) × 16 × 64Tc.

[0163] N TA,old refers to the previously adopted TA value (i.e., the first timing advance), and T A_ビーム変化 is the TA value due to beam change, including the second timing advance + third time.

[0164] In some embodiments, the method further comprises: further comprising transmitting the first information to the network device; The first information is Information on whether the TCI state switch supports receiving TA information; and whether or not adjustment to changes in uplink timing due to sudden changes in reception time is supported.

[0165] The methods shown in Figures 4 and 6 can solve problems caused by sudden changes in reception time difference or large reception time difference at the terminal. Here, the method shown in Figure 6 is suitable for scenarios where only the downlink transmission beam on the network side changes (for example, scenarios where beam switching is roughly understood and the third time can be known, such as high-speed railway and aviation scenarios). On the other hand, in scenarios where a change occurs in the reception beam at the terminal, the network side does not have related information, so the method described in Figure 4 is more suitable. In application, a method may be selected according to actual circumstances, and no specific limitations are provided here.

[0166] The terminal to which the method according to the embodiment of the present application is applied is: The terminal's ability to support uplink timing adjustment with one-step adjustment; and The terminal's ability to support reception of TA information associated with a TCI state switch; The terminal has at least one of the following capabilities: a capability to support adjustment to changes in uplink timing due to sudden changes in reception time.

[0167] 7 is a flowchart of a further transmission method according to an embodiment of the present application. As shown in FIG. 7, the method is applied to a network device, for example, a base station. The base station may be a Base Transceiver Station (BTS) in GSM or CDMA, a Node B (NB) in WCDMA, or an Evolutional Node B (eNB or e-NodeB) in LTE. Although the present application is not limited thereto, for convenience of explanation, the following embodiment will take an eNB as an example. The method includes step 701.

[0168] Step 701: Send first information or third time to a terminal, where the first information is information related to the transmission timing of the terminal, and the third time is information related to the transmission timing of the terminal.

[0169] In some embodiments, transmitting the third time to the terminal comprises: Sending a TCI state change signaling to the terminal, the TCI state change signaling including the third time; or transmitting a timing advance command to the terminal, the timing advance command including the third time.

[0170] In some embodiments, the third time includes a time difference due to beam transformation.

[0171] In some embodiments, the method further comprises: receiving third information from the terminal; The third information Information on whether to support receiving timing advance (TA) information attached to the TCI state switch; and whether or not adjustment to changes in uplink timing due to sudden changes in reception time is supported.

[0172] In some embodiments, the first information includes SSB information; The SSB information is SSB index and SSB pairing information and SSB group information and It includes at least one of SSB group pairing information.

[0173] In practical application, the network device may explicitly instruct the terminal whether to initiate the first adjustment.

[0174] Based on this, in some embodiments, the method comprises: The method further includes sending first instruction information to the terminal, the first instruction information being for instructing the terminal whether to start the first adjustment.

[0175] In practical application, the network device may implicitly instruct the terminal whether to initiate the first adjustment.

[0176] Based on this, in some embodiments, the method comprises: A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information, and third indication information indicating whether to initiate the first coordination between the two network units to the terminal.

[0177] In some embodiments, the first information further includes timing advance indication information, and the timing advance indication information is for indicating a timing advance index range.

[0178] In some embodiments, the method further comprises: The method may further include receiving second information from the terminal; The second information is fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of the time when the first adjustment was performed.

[0179] 8 is a structural schematic diagram of a transmitting device according to an embodiment of the present application. As shown in FIG. 8, the transmitting device applied to a terminal includes: The system includes a first acquiring unit configured to acquire first information, the first information being information related to transmission timing.

[0180] In some embodiments, the first information includes SSB information; If the received beam is an SSB in the SSB information or the received QCL is an SSB in the SSB information, the device further includes a first adjustment unit configured to cause the terminal to apply a first adjustment to the adjustment of the transmission timing.

[0181] In some embodiments, the SSB information comprises: It includes at least one of an SSB index, SSB pairing information, SSB group information, and SSB group pairing information.

[0182] In some embodiments, the first information includes SSB information; If the received beam is an SSB in the SSB information or the received QCL is an SSB in the SSB information, the transmission timing of the terminal includes a second time; The second time period is Reception time difference, Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and and a transmission timing error.

[0183] In some embodiments, the first information is a first threshold value. Including and when the first time is greater than or equal to a first threshold, the first adjusting unit: configured to apply a first adjustment to the adjustment of the transmission timing; The first time period is Reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, and and a transmission timing error.

[0184] In some embodiments, the first information includes a first threshold value; When the first time is equal to or greater than a first threshold, the transmission timing of the terminal includes a second time; Here, the second time is Reception time difference, Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and a transmission timing error; The first time period is Reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, and and a transmission timing error.

[0185] In some embodiments, the reception time difference is: Reception time difference due to changes in the terminal's receiving beam, The reception time difference due to changes in the network's transmitting beam, and and a reception time difference due to a change in the transmission path.

[0186] In some embodiments, the first adjustment comprises: This includes the terminal adjusting the transmission timing in one adjustment.

[0187] In some embodiments, the transmit timing after the first adjustment is: The timing information includes at least one of a timing advance, an upstream / downstream conversion time, and a second time.

[0188] In some embodiments, the second receiving unit is configured to receive first instruction information sent from a network device, the first instruction information being for instructing the terminal whether to initiate first adjustment.

[0189] In some embodiments, the second receiving unit: Sent from network devices A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information, and third indication information indicating whether to initiate the first coordination between the two network units.

[0190] In some embodiments, the device comprises: further comprising a second transmitting unit configured to transmit second information to the network device; The second information is fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of the time when the first adjustment was performed.

[0191] In some embodiments, the first information further includes timing advance indication information, and the timing advance indication information is for indicating a timing advance index range.

[0192] Although the transmission device according to the above-mentioned embodiments performs the corresponding transmission method only by dividing the above-mentioned program modules as an example, in actual applications, the above-mentioned processes can be assigned to different program modules according to needs. That is, the internal structure of the terminal can be divided into different program modules to complete all or part of the above-mentioned processes. Furthermore, the device according to the above-mentioned embodiments and the corresponding method embodiments belong to the same concept, and the specific implementation process can be referred to in detail in the method embodiments, and will not be described again here.

[0193] 9 is a structural schematic diagram of another transmitting device according to an embodiment of the present application. As shown in FIG. 9, the device applied to a terminal includes: and a first receiving unit configured to receive a third time transmitted from a network device, wherein the transmission timing of the terminal includes the third time.

[0194] In some embodiments, the third time includes a time difference due to beam transformation.

[0195] In some embodiments, the first receiving unit receives a TCI state change signaling sent from a network device, the TCI state change signaling including the third time; Or, The network device is configured to receive a timing advance command sent from the network device, the timing advance command including the third time.

[0196] In some embodiments, the device further includes a second acquisition unit configured to acquire threshold information, and when the reception time difference of the terminal satisfies the i-th threshold of the threshold information, the third time value becomes the j-th value corresponding to the i-th threshold.

[0197] In some embodiments, the transmission timing of the terminal is including at least one of a first timing advance, an upstream / downstream conversion time, and a second timing advance; The second timing advance includes the third time.

[0198] In some embodiments, the transmission timing of the terminal is The timing advance includes at least one of a first timing advance, an upstream / downstream conversion time, a second timing advance, and the third time.

[0199] In some embodiments, the apparatus further includes a third transmitting unit configured to transmit third information to the network device; The third information is Information on whether to support receiving timing advance (TA) information attached to the TCI state switch; and whether or not adjustment to changes in uplink timing due to sudden changes in reception time is supported.

[0200] Although the transmission device according to the above-mentioned embodiments performs the corresponding transmission method only by dividing the above-mentioned program modules as an example, in actual applications, the above-mentioned processes can be assigned to different program modules according to needs. That is, the internal structure of the terminal can be divided into different program modules to complete all or part of the above-mentioned processes. Furthermore, the device according to the above-mentioned embodiments and the corresponding method embodiments belong to the same concept, and the specific implementation process can be referred to in detail in the method embodiments, and will not be described again here.

[0201] 10 is a structural schematic diagram of a further transmitting device according to an embodiment of the present application. As shown in FIG. 10, the device is applied to a network device, and includes: a first transmitting unit configured to transmit the first information or the third time to the terminal; The first information is information related to the transmission timing of the terminal, and the third time is information related to the transmission timing of the terminal.

[0202] In some embodiments, the first transmitting unit: Sending a TCI state change signaling to the terminal, the TCI state change signaling including the third time, or The timing advance command is configured to transmit to the terminal a timing advance command including the third time.

[0203] In some embodiments, the third time includes a time difference due to beam transformation.

[0204] In some embodiments, the device comprises: further comprising a third receiving unit configured to receive third information from the terminal; The third information Information on whether to support receiving timing advance (TA) information attached to the TCI state switch; and whether or not adjustment to changes in uplink timing due to sudden changes in reception time is supported.

[0205] In some embodiments, the first information includes SSB information; The SSB information is SSB index and SSB pairing information and SSB group information and It includes at least one of SSB group pairing information.

[0206] In some embodiments, the first transmitting unit is configured to transmit first instruction information to the terminal, the first instruction information being for instructing the terminal whether to initiate a first adjustment.

[0207] In some embodiments, the first transmitting unit: A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information, and third indication information indicating whether to initiate the first coordination between the two network units, to the terminal.

[0208] In some embodiments, the first information further includes timing advance indication information, and the timing advance indication information is for indicating a timing advance index range.

[0209] In some embodiments, the third receiving unit is configured to receive second information from the terminal, the second information comprising: fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of the time when the first adjustment was performed.

[0210] Although the transmission device according to the above-mentioned embodiments performs the corresponding transmission method only by dividing the above-mentioned program modules as an example, in actual applications, the above-mentioned processes can be assigned to different program modules according to needs. That is, the internal structure of the network device can be divided into different program modules to complete all or part of the above-mentioned processes. Furthermore, the device according to the above-mentioned embodiments and the corresponding method embodiments belong to the same concept, and the specific implementation process can be referred to in detail in the method embodiments, and will not be described again here.

[0211] 11 is a structural schematic diagram of a communication device according to an embodiment of the present application. As shown in FIG. 11, the communication device 110 includes a processor 1101 and a memory 1102 configured to store a computer program executable on the processor.

[0212] Corresponding to a communication device applied to the terminal, the processor 1101 is configured to execute, when executing the computer program, to execute obtaining first information, the first information being information related to transmission timing. Specifically, the terminal can execute the method shown in Figure 4, which belongs to the same concept as the method embodiment shown in Figure 4, and the specific implementation process may refer to the method embodiment in detail, and will not be repeated here.

[0213] Corresponding to a communication device applied to a terminal, the processor 1101 is configured to execute, when executing the computer program, receive a third time transmitted from a network device, and the transmission timing of the terminal includes the third time. Specifically, the terminal can execute the method shown in Figure 6, which belongs to the same concept as the method embodiment shown in Figure 6, and the specific implementation process may refer to the method embodiment in detail, and will not be repeated here.

[0214] Corresponding to a communication device applied to the network device, the processor 1101 is configured to execute, when executing the computer program, to execute sending first information or a third time to a terminal, the first information being information related to the transmission timing of the terminal, and the third time being information related to the transmission timing of the terminal. Specifically, the network device can execute the method shown in Figure 7, which belongs to the same concept as the method embodiment shown in Figure 7, and the specific implementation process may refer to the method embodiment in detail, and will not be repeated here.

[0215] In practical applications, the communication device 110 may include at least one network interface 1103. Components in the communication device 110 are coupled to one another through a bus system 1104. As will be understood, the bus system 1104 may be used to realize communication between these components. The bus system 1104 may include a power bus, a control bus, and a status signal bus in addition to a data bus. For convenience of explanation, all of these buses are shown as the bus system 1104 in FIG. 11. Here, the number of processors 1101 may be at least one. The network interface 1103 is used for the communication device 110 to communicate with other devices via wire or wirelessly.

[0216] The memory 1102 in the present application is used to store various types of data to support the operation of the communication device 110 .

[0217] The methods disclosed in the embodiments of the present application can be implemented in or realized by the processor 1101. The processor 1101 is an integrated circuit chip and has signal processing capabilities. In the implementation process, each step of the above method can be completed by an integrated logic circuit of hardware in the processor 1101 or by instructions in software form. The above-mentioned processor 1101 may be a general-purpose processor, a digital signal processor (DSP), other programmable logic devices, discrete gate and transistor logic devices, discrete hardware components, etc. The processor 1101 can execute or realize each method, step, and logic diagram disclosed in the embodiments of the present application. The general-purpose processor may be a microprocessor or other general processor, etc. The steps of the methods disclosed in the embodiments can be performed only by a hardware decode processor or by a combination of hardware and software modules in the decode processor. The software modules can be located in a storage medium, which is located in the memory 1102, and the processor 1101 reads information from the memory 1102 and completes the above-mentioned method steps according to its hardware.

[0218] In an exemplary embodiment, communication device 110 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), field-programmable gate arrays (FPGAs), general-purpose processors, controllers, microcontroller units (MCUs), microprocessors, or other electronic components to perform the methods described above.

[0219] In an embodiment of the present application, there is further provided a computer-readable storage medium having a computer program stored thereon.

[0220] Corresponding to a computer program applied to a terminal, the computer program executes, when executed by a processor, obtaining first information, the first information being information related to transmission timing. Specifically, the terminal can execute the method shown in Figure 4, which belongs to the same concept as the method embodiment shown in Figure 4, and the specific implementation process may refer to the method embodiment in detail, and will not be repeated here.

[0221] The present invention relates to a computer program for a terminal, the computer program being executed by a processor to receive a third time transmitted from a network device, and the transmission timing of the terminal includes the third time. Specifically, the terminal can execute the method shown in Fig. 6, which is in the same concept as the method embodiment shown in Fig. 6. For specific implementation processes, please refer to the method embodiment in detail and will not be described again here.

[0222] The present invention relates to a computer program for a network device, and a method for transmitting first information or a third time to a terminal when the computer program is executed by a processor, the first information being information related to the transmission timing of the terminal, and the third time being information related to the transmission timing of the terminal. Specifically, the network device can perform the method shown in Figure 7, which belongs to the same concept as the method embodiment shown in Figure 7. For specific implementation processes, please refer to the method embodiment in detail and will not be described again here.

[0223] It will be understood that in some embodiments of the present application, the disclosed apparatuses and methods can be realized in other ways. The above-described device embodiments are merely illustrative. For example, the division of the units merely represents a distinction of logical functions. In actual implementation, different division methods may be adopted. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not implemented. Furthermore, the couplings, direct couplings, or communication connections between the components shown or discussed may be indirect couplings or communication connections via some interfaces, devices, or units, which may be electrical, mechanical, or other types of connections.

[0224] The units described above as separate components may or may not be physically separated. Components shown as units may or may not be physical units. That is, they may be located in one place or may be distributed across multiple network units. Depending on actual needs, some or all of these units may be selected to achieve the purpose of this embodiment.

[0225] Furthermore, the functional units in each embodiment of the present application may all be integrated into one processing unit, each may exist as a separate unit, or two or more units may be integrated into one unit. The above-mentioned integrated units may be realized in the form of hardware or in the form of a hardware-plus-software functional unit.

[0226] As can be understood by those skilled in the art, all or part of the steps for realizing the above-mentioned method embodiments can be performed through hardware associated with program instructions. The above-mentioned program can be stored in a computer-readable storage medium, and when executed, performs the steps including the above-mentioned method embodiments. The above-mentioned storage medium includes various media capable of storing program code, such as portable storage devices, read-only memories (ROMs), random access memories (RAMs), magnetic disks, or optical disks.

[0227] Alternatively, when the above-mentioned integrated units of the present application are realized in the form of software functional modules and sold or used as independent products, they can also be stored in a computer-readable storage medium. Based on this understanding, the technical solutions of the embodiments of the present application can be embodied in the form of a software product, either in essence or in terms of contributions to existing technology, and the computer software product is stored in a storage medium and includes multiple instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to execute all or part of the methods described in each embodiment of the present application. The storage medium includes various media capable of storing program code, such as a portable storage device, a ROM, a RAM, a magnetic disk, or an optical disk.

[0228] Note that terms such as "first" and "second" are used to distinguish between similar objects and do not describe a specific order or precedence.

[0229] In addition, the technical solutions described in the examples of this application can be arbitrarily combined as long as they are not contradictory to each other.

[0230] Although the specific embodiments of the present invention have been described above, the scope of protection of the present invention is not limited thereto, and any modifications or alternatives that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should also be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined based on the scope of the claims.

Claims

1. A transmission method applied to a terminal, comprising: obtaining first information from a network device; the first information is information related to transmission timing, the first information includes a first threshold, and when the first time is equal to or greater than the first threshold, the terminal applies a first adjustment to the adjustment of the transmission timing, the first time including at least one of a reception time difference, a difference between a reception time before the first adjustment and a reception time after the first adjustment, and a transmission timing error; Or, a transmission method in which the first information includes a first threshold value, and when the first time is equal to or greater than the first threshold value, the transmission timing of the terminal includes a second time, the second time including at least one of a reception time difference, twice the reception time difference, a difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and a transmission timing error, and the first time including at least one of a reception time difference, a difference between the reception time before the first adjustment and the reception time after the first adjustment, and a transmission timing error.

2. The first information includes synchronization signal block (SSB) information; If the received beam is an SSB in the SSB information or the received quasi-co-location QCL is an SSB in the SSB information, the method includes: The method of claim 1 , further comprising the terminal applying a first adjustment to the transmit timing adjustment.

3. The SSB information is The method of claim 2 , including at least one of an SSB index, an SSB pairing information, an SSB group information, and an SSB group pairing information.

4. The first information includes SSB information, When the received beam is an SSB in the SSB information or the received QCL is an SSB in the SSB information, the transmission timing of the terminal includes a second time; The second time period is Reception time difference, Twice the reception time difference, The difference between the reception time before the first adjustment and the reception time after the first adjustment, Twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and 10. The method of claim 1, further comprising at least one of: a transmit timing error;

5. The reception time difference is The reception time difference due to the change in the reception beam of the terminal, The reception time difference due to changes in the network's transmitting beam, and 5. The method of claim 4, wherein the at least one of the following is included: a time difference in reception due to a change in the transmission path;

6. The first adjustment is The terminal adjusts the transmission timing in a single adjustment. The method of claim 1.

7. The transmission timing after the first adjustment is: The method of claim 1 , further comprising at least one of a timing advance, an upstream-to-downstream conversion time, and a second time.

8. The method comprises:

2. The method of claim 1, further comprising receiving first instruction information sent from the network device, the first instruction information being for instructing the terminal whether to initiate a first adjustment.

9. The method comprises: transmitted from the network device, A second indication of whether or not the high-speed rail scenario is in progress; TCI conversion information; and third indication information of whether to initiate the first coordination between the two network units.

10. The method comprises: further comprising transmitting second information to the network device; The second information is fourth indication of whether the first adjustment has been made; and The number of times the first adjustment is performed within a preset time period; and and timestamp information of when the first adjustment was performed.

11. The method of claim 1 , wherein the first information further includes timing advance indication information, the timing advance indication information being for indicating a timing advance index range.

12. A transmission method applied to a network device, transmitting first information to the terminal; the first information is information related to a transmission timing of the terminal, the first information includes a first threshold, and when the first time is equal to or greater than the first threshold, the terminal applies a first adjustment to the adjustment of the transmission timing, the first time including at least one of a reception time difference, a difference between a reception time before the first adjustment and a reception time after the first adjustment, and a transmission timing error; Or, a transmission method in which the first information includes a first threshold value, and when the first time is equal to or greater than the first threshold value, the transmission timing of the terminal includes a second time, the second time including at least one of a reception time difference, twice the reception time difference, a difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the difference between the reception time before the first adjustment and the reception time after the first adjustment, twice the transmission timing error, and a transmission timing error, and the first time including at least one of a reception time difference, a difference between the reception time before the first adjustment and the reception time after the first adjustment, and a transmission timing error.

13. 1. A communications device including a processor and a memory configured to store a computer program executable on said processor, A communications device, wherein said processor is configured to perform the steps of the method according to any one of claims 1 to 11 when executing said computer program.

14. A communications device including a processor and a memory configured to store a computer program executable on said processor, A communications device, wherein the processor, when executing the computer program, is configured to perform the steps of the method of claim 12.

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