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 filed based on Chinese Patent Application No. 202111333234.4, filed in China on November 11, 2021, and claims priority to said Chinese patent application, 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 a transmission method, an apparatus, a communication device, and a storage medium. [Background technology]

[0002] Wireless communication, especially long-distance wireless communication, faces the problem of wireless transmission delay. In the existing technology, in order to avoid inter-code interference and ensure that the arrival times from different wireless communication terminals to the base station are all within the range of the Cyclic Prefix (CP), the User Equipment (UE) needs to transmit data packets in advance at a reasonable time.

[0003] The actual timing of the 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 affects the uplink demodulation of the base station and reduces the 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 method of transmission is provided that includes obtaining first information, the first information being information related to a 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 transmit timing.

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

[0009] Preferably, 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 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 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 transmission 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 It includes at least one of a timing advance, an upstream and downstream conversion time, and a second time.

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

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

[0017] Preferably, the method comprises the steps of: transmitting second information to the network device; The second information is a 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 time stamp information of the time when the first adjustment was performed.

[0018] Preferably, the first information further includes timing advance indication information, the timing advance indication information being for indicating an index range of a timing advance.

[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 change signaling sent from a network device, the TCI state change signaling including the third time; Or, receiving a timing advance command sent from a network device, the timing advance command including the third time.

[0022] Preferably, the method comprises the steps of: 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 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 the steps of: transmitting third information to the network device; The third information is Information on whether to support reception of timing advance (TA) information associated with the TCI state switch; and information on whether adjustment to changes in upstream 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, in which 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 includes: sending a transmission configuration indication (TCI) state change signaling to the terminal, the third time being included therein; or and transmitting to the terminal a 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 the steps of: receiving third information from the terminal; The third information Information on whether to support reception of timing advance (TA) information associated with the TCI state switch; and information on whether adjustment to changes in upstream timing due to sudden changes in reception time is supported.

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

[0031] Preferably, the method comprises the steps of: 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 the steps of: A second indication of whether or not the vehicle is in a high speed rail scenario; and TCI conversion information, and third indication information of 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, the timing advance indication information being for indicating an index range of a timing advance.

[0034] Preferably, the method comprises the steps of: receiving second information from the terminal; The second information is a 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 time stamp 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 a 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: The SSB group information includes at least one of an SSB index, an SSB pairing information, an SSB group information, and an SSB group pairing information.

[0038] Preferably, 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 and a transmission timing error.

[0039] Preferably, the first information is a first threshold value Including fruit, 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.

[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 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 transmission 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 It includes at least one of a timing advance, an upstream and 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 a first adjustment.

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

[0046] Preferably, the apparatus comprises: Further comprising a second transmitting unit configured to transmit second information to the network device; The second information is a 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 time stamp information of the time when the first adjustment was performed.

[0047] Preferably, the first information further includes timing advance indication information, the timing advance indication information being for indicating an index range of a timing advance.

[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 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 comprises a third sending unit configured to send third information to the network device; The third information is Information on whether to support reception of timing advance (TA) information associated with the TCI state switch; and information on whether adjustment to changes in upstream 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, comprising: 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 transmission unit transmits a TCI state change signaling including the third time to the terminal; 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 comprises a third receiving unit configured to receive third information from the terminal; The third information Information on whether to support reception of timing advance (TA) information associated with the TCI state switch; and information on whether adjustment to changes in upstream timing due to sudden changes in reception time is supported.

[0059] Preferably, the first information includes SSB information; The SSB information is SSB index, SSB pairing information, 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 a terminal, the first instruction information being for instructing the terminal whether to initiate a first adjustment.

[0061] Preferably, the first transmission unit comprises: A second indication of whether or not the vehicle is in a high speed rail scenario; and TCI conversion information, and third indication information of 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, the timing advance indication information being for indicating an index range of a timing advance.

[0063] Preferably, the third receiving unit is configured to receive second information from the terminal, the second information being a 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 time stamp 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 execute, when executing the computer program, steps of any one of the methods executed by a terminal; or The processor is configured to, when executing the computer program, perform steps of any one of the methods performed by another terminal; or The processor is configured, when executing the computer program, to 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 having a computer program stored thereon, 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, performs steps of any one of the methods performed by another terminal; or When the computer program is executed by a processor, it realizes the steps of any one of the methods executed by the network device. Effect of the Invention

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

[0067] In the transmission method, device, communication device, and 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 description of the drawings]

[0068] [Figure 1] FIG. 1 is a reference schematic diagram of the value of Te. [Diagram 2]FIG. 1 is a reference schematic diagram of the value of Tq. [Diagram 3] FIG. 1 is a schematic diagram showing an application of the HST-DPS mode. [Figure 4] 2 is a flowchart of a transmission method according to an embodiment of the present application; [Diagram 5] FIG. 2 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] FIG. 2 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. 2 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 PREFERRED EMBODIMENTS

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

[0070] As mentioned above, in order to avoid inter-code interference and ensure that the time it takes for different terminals in the radio communication to reach the base station falls within the CP, the UE needs to transmit the data packet in advance for a reasonable time. Based on the downlink timing, the UE usually determines the 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 of which is related to the deployment scheme / coexistence scenario, "*" represents 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 TA =T A *16Ts= T A *16*64Tc. In the connected state, the terminal receives MAC CE to T A The UE receives the previous TA adjustment value (N TA,old ) and newly received TA instructions (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) x 16 x 64Tc = N TA,old +(T A -31)×(16*64 / 2^u) Here, u is related to the subcarrier spacing (SCS), if SCS is 15KHz, u=0, if SCS is 30KHz, u=1, if SCS is 60KHz, u=2, if SCS is 120KHz, u=3, if SCS is 240KHz, u=4. Ts is the basic time unit of 4G, Ts=1 / (15*10^3)*2048, approximately 32.55×10^(-9)s.

[0073] Due to the influence of the transmission path change, the crystal oscillator misalignment, the Doppler frequency shift due to movement, etc., 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 meet the adjustment rules specified in the standard so that the maximum time adjustment range does not exceed Tq. Please refer to Figure 1 and Figure 2 for specific requirements of Te and Tq.

[0074] According to the above-mentioned existing technology, the actual timing of the uplink transmission of the UE depends on the downlink timing and timing advance. In some specific scenarios, the sudden change of the downlink timing may cause the above-mentioned automatic uplink timing adjustment of the UE to be unable to meet the actual needs, for example, in the scenario of high-speed railway, especially in the high-speed railway based on the dynamic point selection (DPS) mode using the frequency range from 2-24.25GHz to 52.6GHz (FR2), the above-mentioned automatic uplink timing adjustment of the UE based on the actual deployment needs can hardly meet the actual needs, and the resulting inaccuracy of the uplink timing will affect the uplink demodulation of the base station, thus degrading the 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 a terminal at each time. Specifically, as shown in Figure 3, RRHs #0 to #3 share the same cell ID, but only one RRH transmits data to a terminal at each time. As the terminal moves, a conversion from RRH #0 to RRH #1 is performed through a conversion of the Transmission Configuration Indicator (TCI).

[0076] As mentioned above, the conversion from RRH#0 to RRH#1 is a beam conversion for the terminal, but it causes a large transmission delay difference between the direction of the original downlink beam and the direction of the target downlink beam, which causes a change in downlink timing, so the original TA cannot meet the requirements. For example, in a typical deployment, when the distance between base stations is 700m, the transmission delay difference between the original downlink beam and the target downlink beam until they reach the terminal can reach up to 2.33us. Taking the SCS of 120KHz as an example, the transmission delay difference of 2.33us is four times that of CP (0.57us). However, the maximum step width that the UE can automatically adjust is only 2.5×64Tc=8×10^(-4)us, which cannot compensate for the sudden change in timing caused by the sudden change in downlink delay, causing serious system problems. Here, the existing problem is explained 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 terminal reception time difference occurs or a sudden change occurs in the terminal reception timing due to a change in the network's downstream transmitting beam, a change in the terminal's receiving beam, or a change in the transmission path.

[0077] Based on this, in the method according to the embodiment of the present application, a terminal obtains first information, the first information being information related to a transmission timing, or a 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 (such as 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 a transmission timing according to a predefined protocol; receiving network information (or signaling); and determining a transmission timing based on the network information (or signaling), where the network information (or signaling) is associated with or includes the transmission timing.

[0084] In some embodiments, 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 transmit 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 a 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 the physical downlink shared channel (PDSCH), the physical downlink control channel (PDCCH), the reference signal (e.g., the channel state information reference signal (CSI-RS), the positioning reference signal (PRS)) and the SSB indicated in the SSB information are in a QCL relationship. The QCL relationship can be indicated by the TCI state.

[0087] Here, cases where a large timing error (or a large one-step adjustment is required) occur only in some SSBs (e.g., switching from a specific SSB6 to another specific SSB7), and for example, switching from SSB6 to SSB7 or switching from SSB4 to SSB5 do not cause a large time error, so the first adjustment may not be performed. However, in the case of switching from SSB5 to SSB6, a large time error exists, so the first adjustment is required. Therefore, the terminal may be implicitly notified when to perform the first adjustment by the method of indicating the SSB. 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 adjustment of the transmission timing 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 and airplanes.

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

[0090] The SSB index includes a target SSB beam, 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 relationship 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 the 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 relationship between the SSB group pairing and the SSB group index. The SSB group pairing information may include information on a plurality of pairs of SSB group pairings. When the source beam index and the target beam index of the beam switching correspond to two paired SSB groups, respectively (i.e., when 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 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.

[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 a 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 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 adjustment. do.

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

[0099] That is, if the terminal determines that the time difference exceeds a pre-configured first threshold, it assumes 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 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 also 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 assumes 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 a value that the network device instructs the terminal through first signaling, or is a value that 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 the terminal at time T1 and the reception timing at time T2, 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 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, there may be errors in the terminal's estimation of the downlink timing, and the effects of changes in the transmission path, temperature, deviations in the crystal oscillator, etc. 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 with respect 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 period comprises: A reception time difference including the time difference between the reception timing at the terminal at time T1 and the reception timing at time T2, 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 transmission beam, and and a reception time difference due to a change in the transmission path.

[0113] Here, the reception time difference due to the change in the reception beam of the terminal includes the beam time difference. For example, when the reception beam is changed from reception beam i to reception beam j, the reception time difference due to the change in the reception beam of the terminal includes the time difference between the reception time of beam i and the reception 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 the related art, the adjustment of the transmission timing is performed by multiple fine adjustments (multiple small step adjustments) to adjust the uplink timing. However, when the error of the transmission timing is large, the existing technology cannot adjust the error in a timely manner, which leads to a deterioration of the system performance. The first adjustment according to the embodiment of the present application refers to the terminal completing the adjustment of the timing error in one adjustment, and the step of the one adjustment can be made large to meet the need for timely adjustment for a large error. After the one adjustment by the large step is completed, if there is any remaining error, it can be adjusted by using the multiple fine adjustment method of the existing technology.

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

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

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

[0121] Here, N TA indicates the timing advance, and N TA_offset is the upstream and downstream conversion time, 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 a 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 indicate in the first instruction information whether the terminal should start the first adjustment.

[0127] In practical application, 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 vehicle is in a high speed rail scenario; and TCI conversion information, and third indication information of whether to initiate the first coordination between the two network units.

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

[0130] Furthermore, the second indication information of whether it is in a high-speed railway scenario may also include a specific deployment mode of the high-speed railway, including HST-DPS (HST-Dynamic Point Selection), HST-SFN (HST-Single Frequency network), uni-directional reception (where the transmission directions of different RRHs are the same), and bi-directional reception (where the transmission directions of adjacent RRHs are opposite, or may be described as a counter communication mode). Since different deployment modes have different effects on transmission timing, the terminal may determine whether to start the first adjustment based on the deployment mode in which it is currently located. Optionally, for each deployment mode, the network information may further indicate whether the first adjustment can be started. Or, if an implicit method is adopted and the protocol predefines which deployment modes the first adjustment can be started for, the terminal may determine whether to start the 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 RRHs. In this scenario, a sudden change in the reception time of the terminal may occur due to a change in the path, which may cause an uplink timing problem. Based on the TCI conversion information, it is also possible to implicitly instruct the terminal to start the first adjustment. That is, when the terminal receives the TCI conversion information, it can predict that a problem may occur in the transmission timing, and therefore the first adjustment can be started.

[0132] The network unit includes an RRH and a transmission and reception point (TRP). The third instruction information indicating whether to start the first coordination between the two network units is used to indicate whether to allow the start of the first coordination when the terminal is located at the middle of the two network units. In this way, it is also possible to instruct the terminal to start the first coordination in an implicit manner through the third instruction information. Here, taking the high-speed railway scenario as an example, when the terminal is located at the middle of the two RRHs, the timing problem becomes the most serious, so the terminal is only allowed to start the first coordination at that position and should not start the first coordination at other geographical positions. Furthermore, the network can indicate whether the terminal is located at the middle of the two RRHs through signaling. Furthermore, the terminal can also independently determine whether it is located at the middle of the two RRHs by using the Doppler frequency difference, etc.

[0133] In some embodiments, the method further comprises: transmitting second information to the network device; The second information is a 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 time stamp information of the time when the first adjustment was performed.

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

[0135] Specifically, the timing advance index range 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 a sudden change in reception time difference due to beam conversion, etc. Specifically, the timing advance index range attached to the timing advance command is expanded to meet the needs of the application. That is, the timing advance index range 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 a timing advance indication from a network device; and 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 a time stamp) 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, smart phones, notebook computers, digital broadcast receivers, personal digital assistants (PDAs), tablet PCs (PADs), portable multimedia players (PMPs), wearable devices (such as smart bands, smart watches, etc.), navigation devices, etc., and the method includes step 601.

[0142] Step 601: receiving a third time transmitted from a network device, the transmission timing of the terminal including 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 a terminal due to switching or changing of the transmission beam of the network equipment, and / or the reception time difference at a terminal due to switching or changing of the reception beam of the terminal.

[0145] In some embodiments, receiving the third time transmitted from the network device includes: receiving a transmission configuration indication (TCI) state change signaling sent from a network device, the transmission configuration indication (TCI) state change 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, when the terminal's reception time difference meets the i-th threshold of the threshold information, the value of the third time is the j-th value. In application, the network device transmits candidate values ​​of the third time related to the transmission timing to the terminal through network signaling in advance, and the terminal selects the corresponding value of the third time according to 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 becomes the first value. When the reception time difference is greater than the second threshold and less than the third threshold, 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 becomes 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 becomes the (N-1)th value. When the reception time difference is greater than the N-th threshold, the third time becomes the N-th value.

[0151] In some embodiments, the transmission timing of the terminal is: It 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 effect of the reception time difference and / or the effect of movement, temperature, crystal oscillator, etc. (which are the influencing factors of the timing advance considered in the existing technology).

[0153] In application, the terminal may transmit upstream data in advance by [(NTA+NTA_offset)*Tc], where N TA_offset indicates the up-down conversion time, Tc is about 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 (e.g., when the network device delivers it through TCI state transition signaling or 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 a previous Timing Advance Command, and the second timing advance is obtained by a current Timing Advance Command.

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

[0159] Here, 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 obtains the third time (including the time difference due to beam conversion (or understood as at least one candidate TA value)) transmitted from the network device, it determines a 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 to [(N TA +N TA_offset )*Tc] is sent in advance.

[0162] Here, 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) x 16 x 64 Tc.

[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 the change in the beam, including the second timing advance + the third time.

[0164] In some embodiments, the method further comprises: transmitting the first information to the network device; The first information is Information on whether the TCI state switch supports receiving TA information; and information on whether adjustment to changes in upstream 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 terminal reception time difference or large reception time difference. Here, the method shown in Figure 6 is suitable for scenarios where only the downstream transmission beam on the network side changes (for example, high-speed railway and aviation scenarios, where beam switching is roughly understood and the third time can be known). On the other hand, in scenarios where changes occur in the terminal reception beam, the network side does not have related information, so the method described in Figure 4 is more suitable. In application, it may be selected according to actual conditions, 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 capability of the terminal to support uplink timing adjustment with one-step adjustment; and Capability that the terminal supports reception of TA information associated with the 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] FIG. 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 station (Base Transceiver Station, abbreviated as "BTS") in GSM or CDMA, a base station (NodeB, abbreviated as "NB") in WCDMA, or an evolved base station (Evolutional Node B, abbreviated as "eNB or e-NodeB") in LTE. Although not limited in the present application, for convenience of explanation, the following embodiment will take 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 and transmitting to the terminal a 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 reception of timing advance (TA) information associated with the TCI state switch; and information on whether adjustment to changes in upstream timing due to sudden changes in reception time is supported.

[0172] In some embodiments, the first information comprises SSB information; The SSB information is SSB index, SSB pairing information, 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 vehicle is in a high speed rail scenario; and TCI conversion information, and third indication information of 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, the timing advance indication information 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 a 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 time stamp information of the time when the first adjustment was performed.

[0179] FIG. 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: 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 comprises 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: The SSB group information includes at least one of an SSB index, an SSB pairing information, an SSB group information, and an SSB group pairing information.

[0182] In some embodiments, the first information comprises 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 and a transmission timing error.

[0183] In some embodiments, the first information is a first threshold 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 comprises 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 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 transmission 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: It includes at least one of a timing advance, an upstream and 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 a first adjustment.

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

[0190] In some embodiments, the apparatus further comprises: Further comprising a second transmitting unit configured to transmit second information to the network device; The second information is a 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 time stamp information of the time when the first adjustment was performed.

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

[0192] It should be noted that the transmission device according to the above embodiment executes the corresponding transmission method only by dividing each program module as an example, but in actual application, the above processing can be assigned to different program modules according to needs. That is, the internal structure of the terminal is divided into different program modules to complete all or part of the above processing. In addition, the device according to the above embodiment and the corresponding method embodiment belong to the same concept, and the specific implementation process may be referred to in detail in the method embodiment, and will not be described here again.

[0193] FIG. 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 a 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 meets 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: 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 reception of timing advance (TA) information associated with the TCI state switch; and information on whether adjustment to changes in upstream timing due to sudden changes in reception time is supported.

[0200] It should be noted that the transmission device according to the above embodiment executes the corresponding transmission method only by dividing each program module as an example, but in actual application, the above processing can be assigned to different program modules according to needs. That is, the internal structure of the terminal is divided into different program modules to complete all or part of the above processing. In addition, the device according to the above embodiment and the corresponding method embodiment belong to the same concept, and the specific implementation process may be referred to in detail in the method embodiment, and will not be described here again.

[0201] FIG. 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, A first transmitting unit configured to transmit the first information or the third time to the terminal; 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.

[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 apparatus further comprises: Further comprising a third receiving unit configured to receive third information from the terminal; The third information Information on whether to support reception of timing advance (TA) information associated with the TCI state switch; and information on whether adjustment to changes in upstream timing due to sudden changes in reception time is supported.

[0205] In some embodiments, the first information comprises SSB information; The SSB information is SSB index, SSB pairing information, 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 a 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 vehicle is in a high speed rail scenario; and TCI conversion information, and third indication information of 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, the timing advance indication information 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: a 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 time stamp information of the time when the first adjustment was performed.

[0210] It should be noted that the transmission device according to the above embodiment executes the corresponding transmission method only by dividing each program module as an example, but in actual application, the above processing can be assigned to different program modules according to needs. That is, the internal structure of the network device is divided into different program modules to complete all or part of the above processing. In addition, the device according to the above embodiment and the corresponding method embodiment belong to the same concept, and the specific implementation process may be referred to in detail in the method embodiment, and will not be described 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, a communication device 110 includes a processor 1101 and a memory 1102 configured to store a computer program executable on the processor.

[0212] Corresponding to the communication device applied to the terminal, the processor 1101 is configured to execute obtaining first information when executing the computer program, and the first information is 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 described again here.

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

[0214] Corresponding to a communication device applied to the network device, the processor 1101 is configured to execute, when executing the computer program, 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 Fig. 7, which belongs to the same concept as the method embodiment shown in Fig. 7, and the specific implementation process may refer to the method embodiment in detail, and will not be described again here.

[0215] In practical application, the communication device 110 may include at least one network interface 1103. Each component in the communication device 110 is coupled to each other through a bus system 1104. As can be understood, the bus system 1104 may be used to realize connection communication between these components. The bus system 1104 includes a power bus, a control bus, and a status signal bus in addition to a data bus, but for convenience of explanation, each bus is all 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 by wire or wirelessly.

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

[0217] The method disclosed in the embodiment of the present application can be applied 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 an instruction in the form of software. The above-mentioned processor 1101 can 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 embodiment of the present application. The general-purpose processor can be a microprocessor or other general processor, etc. The steps of the method disclosed in the embodiment can be performed only by a hardware decode processor, or can be performed 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 steps of the above-mentioned method according to the hardware.

[0218] In an exemplary embodiment, communication device 110 may be implemented with 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, Micro Controller 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, and the first information is information related to transmission timing. Specifically, the terminal can execute the method shown in Fig. 4, which belongs to the same concept as the method embodiment shown in Fig. 4, and the specific implementation process may refer to the method embodiment in detail, and will not be described again here.

[0221] Corresponding to a computer program applied to a terminal, when the computer program is executed by a processor, it executes receiving 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 belongs to the same concept as the method embodiment shown in Fig. 6, and the specific implementation process may refer to the method embodiment in detail, and will not be described again here.

[0222] Corresponding to a computer program applied to a network device, the computer program executes, when executed by a processor, 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 Fig. 7, which belongs to the same concept as the method embodiment shown in Fig. 7, and the specific implementation process may 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 apparatus and method can be realized in other ways. The above-mentioned device embodiments are merely illustrative, for example, the division of the units is merely a distinction of logical functions, and in actual implementation, different division methods may be adopted. For example, multiple units or parts may be combined or integrated into another system, or some features may be ignored or not implemented. In addition, the coupling, direct coupling, or communication connection between each component shown or discussed may be an indirect coupling or communication connection via some interfaces, devices, or units, which may be electrical, mechanical, or other types.

[0224] The units described above as separate components may or may not be physically separated. The components shown as units may or may not be physical units, i.e., 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 objective of the present embodiment.

[0225] Furthermore, each functional unit in each embodiment of the present application may 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 implementing the above-mentioned method embodiments can be executed through hardware associated with program instructions. The above-mentioned program can be stored in a computer-readable storage medium, and when executed, executes 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] Or, 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 contribution to existing technology, and the computer software product is stored in a storage medium, which includes a plurality of 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 aforementioned 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] It should be noted that the terms "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 embodiments 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 modifications or alternatives that can be easily thought of by a person skilled in the art within the technical scope disclosed in 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 described.

Claims

1. A transmission method applied to a terminal, comprising: obtaining first information; A transmission method, wherein the first information is information related to transmission timing.

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 adjustment of the transmit timing.

3. The SSB information is The method of claim 2 , comprising 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 A transmission timing error.

5. The first information further includes a first threshold value; If the first time is greater than or equal to the first threshold, the method further comprises: The terminal further includes applying 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 A transmission timing error.

6. 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 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 A transmission timing error.

7. 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 transmission beam, and The method according to any one of claims 4 to 6, further comprising at least one of: a reception time difference due to a change in a transmission path.

8. The first adjustment is The terminal adjusts the transmission timing in a single adjustment. The method according to claim 2, 4, 5 or 6.

9. The transmission timing after the first adjustment is:

11. The method of claim 1, 2, 4, 5, 6, 8 or 10, further comprising at least one of a timing advance, an upstream and downstream conversion time, and a second time.

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

11. The method comprises: Sent from network devices A second indication of whether or not the vehicle is in a high speed rail scenario; and TCI conversion information; and a third indication of whether to initiate the first coordination between the two network units.

12. The method comprises: transmitting second information to the network device; The second information is a 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 a timestamp of when the first adjustment was performed.

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

14. A transmission method applied to a terminal, comprising: receiving a third time transmitted from the network device; A transmission method, wherein the transmission timing of the terminal includes the third time.

15. The method of claim 14 , wherein the third time includes a time difference due to beam transformation.

16. receiving a third time transmitted from the network device; receiving a transmission configuration indication (TCI) state change signaling sent from a network device, the transmission configuration indication (TCI) state change signaling including the third time; Or, 15. The method of claim 14, comprising receiving a timing advance command sent from a network device, the timing advance command including the third time.

17. The method comprises: The method of claim 14, further comprising: acquiring threshold information; and when the reception time difference of the terminal satisfies an i-th threshold of the threshold information, the third time value becomes a j-th value corresponding to the i-th threshold.

18. The transmission timing of the terminal is At least one of a first timing advance, an upstream / downstream conversion time, and a second timing advance; The method of claim 14 , wherein the second timing advance comprises the third time.

19. The transmission timing of the terminal is 15. The method of claim 14, further comprising at least one of a first timing advance, an upstream and downstream conversion time, a second timing advance, and the third time.

20. The method comprises: transmitting third information to the network device; The third information is Information on whether reception of Timing Advance (TA) information associated with the TCI state switch is supported; and whether to support adjustments to upstream timing changes due to sudden changes in receive time.

21. A transmission method applied to a network device, comprising: transmitting the first information or the third time to the terminal; A transmission method, 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.

22. Transmitting a third time to the terminal sending a transmission configuration indication (TCI) state change signaling to the terminal, the third time being included therein; or 22. The method of claim 21, comprising: transmitting to the terminal a timing advance command including the third time.

23. The method of claim 21 or 22, wherein the third time includes a time difference due to beam transformation.

24. The method comprises: receiving third information from the terminal; The third information Information on whether reception of Timing Advance (TA) information associated with the TCI state switch is supported; and whether to support adjustments to upstream timing changes due to sudden changes in receive time.

25. The first information includes SSB information, The SSB information is The SSB index; SSB pairing information; SSB group information; 22. The method of claim 21, further comprising at least one of: SSB group pairing information.

26. The method comprises: The method of claim 21 , further comprising: sending first instruction information to a terminal, the first instruction information being for instructing the terminal whether to initiate the first adjustment.

27. The method comprises: A second indication of whether or not the vehicle is in a high speed rail scenario; and TCI conversion information; and third indication information of whether to initiate the first coordination between the two network units, to the terminal.

28. The method according to claim 21 or 25, wherein the first information further comprises timing advance indication information, the timing advance indication information being for indicating a timing advance index range.

29. The method comprises: receiving second information from the terminal; The second information is a 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 a timestamp of when the first adjustment was performed.

30. A transmitting device applied to a terminal, a first acquiring unit configured to acquire first information; A transmitting device, wherein the first information is information related to transmission timing.

31. A transmitting device applied to a terminal, a first receiving unit configured to receive a third time transmitted from the network device; A transmitting device, wherein the transmission timing of the terminal includes the third time.

32. A transmission 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, 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.

33. 1. A communications device comprising a processor and a memory configured to store a computer program executable on the processor, The processor is configured to carry out the steps of the method according to any one of claims 1 to 13 when it executes the computer program; or The processor is configured to carry out the steps of the method according to any one of claims 14 to 20 when it executes the computer program; or A communications device, wherein said processor is configured to perform the steps of the method according to any one of claims 21 to 29 when said processor executes said computer program.

34. A storage medium on which a computer program is stored, The computer program, when executed by a processor, performs the steps of the method according to any one of claims 1 to 13; or The computer program, when executed by a processor, performs the steps of the method according to any one of claims 14 to 20; or A storage medium, the computer program being adapted to perform the steps of the method according to any one of claims 21 to 29 when executed by a processor.

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