Method, user equipment, base station and computer-readable medium for channel occupation time sharing

Abstract

A method for sharing channel occupation time (COT), performed by a user equipment (UE), comprising: indicating (S100) COT sharing information for sharing a COT initiated by a UE in a configured granted uplink control indicator (CG‑UCI); including (S120) the CG‑UCI in a configured granted physical uplink shared channel (CG‑PUSCH); and sending (S140) the CG‑PUSCH to a base station (BS).

Description

[0001] This application is a divisional application of the PCT international patent application PCT / CN2020 / 134050 with an application date of December 4, 2020, which entered the Chinese national phase with Chinese patent application number 202080082868.4 and the invention name "Method, user equipment, base station and computer-readable medium for channel occupancy time sharing".

[0002] CROSS-REFERENCE TO RELATED APPLICATIONS

[0003] This application claims priority to PCT application PCT / IB2019 / 001424, the entire contents of which are incorporated herein by reference. Technical Field

[0004] The present disclosure relates to the field of communication technology, and in particular to channel occupancy time (COT) sharing. Background Art

[0005] The statements in this section only provide information related to the present disclosure and may not constitute prior art. In addition, the contents in this section can be used to define concepts related to the present invention.

[0006] For example, in a 5G network using 5G (fifth generation) NR (New Radio) as the Radio Access Technology (RAT) defined by 3GPP, unlicensed spectrum (5G NR-U) can be used.

[0007] Unlicensed spectrum is a shared spectrum. User equipment (UE) in different communication systems can use the spectrum, and as long as the user equipment meets the regulatory requirements set by the country or region for the spectrum, it does not need to apply for exclusive spectrum authorization from the government.

[0008] In order to enable various communication systems that use unlicensed spectrum for wireless communication to coexist in a friendly manner in the spectrum, some countries or regions have stipulated regulatory requirements that must be met when using unlicensed spectrum. For example, communication equipment should follow the "Listen Before Talk (LBT)" principle, that is, the device needs to perform channel sensing before sending a signal on the channel. Only when the LBT result shows that the channel is idle can the device perform signal transmission; otherwise, the device cannot perform signal transmission. In order to ensure fairness, once a device successfully occupies a channel, the transmission duration cannot exceed the maximum channel occupancy time (Maximum Channel Occupancy Time, MCOT). Summary of the invention

[0009] Method, user equipment, base station and computer-readable medium for channel occupancy time sharing. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The drawings are for illustration purposes only and are not intended to limit the present invention.

[0011] - Figure 1 An example of COT sharing is shown;

[0012] - Figure 2 Another example of COT sharing is shown;

[0013] - Figure 3 Another example of COT sharing is shown;

[0014] - Figure 4 Another example of COT sharing is shown;

[0015] - Figure 5 Another example of COT sharing is shown;

[0016] - Figure 6 Another example of COT sharing is shown;

[0017] - Figure 7 An example of a method is shown;

[0018] - Figure 8 An example of a UE is shown;

[0019] - Fig. 9 An example of a base station is shown. DETAILED DESCRIPTION

[0020] As an example, on an unlicensed carrier, for a channel occupancy time (COT) obtained by a base station (BS, such as a gNB or eNB) for downlink transmission, the base station may share the COT with the UE for sending an uplink signal or sharing it with an uplink channel. In other words, when the base station shares its own COT with the UE, the UE may use an LBT mode with a higher priority than the mode used by the UE itself to obtain a channel, thereby obtaining the channel with a greater probability.

[0021] On the other hand, when a BS (e.g., a gNB or an eNB) configures one or more PUSCH resources for uplink transmission of one or more UEs, the UE may initiate a COT for the uplink transmission, and the UE-initiated COT may be shared with the BS.

[0022] Example 1

[0023] In this example, in the configured grant transmission, the UE may be configured with one or more configured grant physical uplink shared channel (Configured Grant Physical Uplink Sharing Channel, CG-PUSCH) resources, for example, the BS configures one or more CG-PUSCH resources to the UE through Radio Resource Control (Radio Resource Control, RRC). The UE may select a CG-PUSCH resource to send data. For each CG-PUSCH transmission, the UE may include a CG uplink control indicator (Configured Grant Uplink Control Indicator, CG-UCI). The CG-UCI may include COT sharing information for sharing the COT initiated by the UE, for example, information related to whether the COT initiated by the UE can be shared with the BS. For UE-COT sharing for sharing the COT initiated by the UE, there may be two cases. In the first case, if the BS configures the UE with an Energy Detection (ED) threshold for UE-COT sharing, the UE may include an indication of the time slot offset and the allowable transmission duration in the CG-UCI. The ED threshold can be an RRC parameter related to COT sharing configured by the BS to the UE. Once the BS receives the COT sharing information, the BS can know from which time slot the BS can start sharing the COT and how long the BS's sharing can last. That is, the BS can determine the starting point of COT sharing and the duration for which the BS is allowed to share the COT, where the BS can start sharing the COT from the starting point of COT sharing. In the second case, when the ED threshold is not configured, the UE can include 1-bit sharing on / off information in the CG-UCI. If the sharing on / off information indicates that COT sharing is allowed, the BS can share the COT from the first symbol + i symbols of the next time slot, where i can be semi-statically configured or dynamically indicated, for example, dynamically indicated by a higher layer (such as through an RRC parameter).

[0024] For example, in Figure 1 In , if CG-PUSCH and CG-UCI are sent in slot n, and the UE indicates slot offset O, where O is a positive integer, the BS can share the COT starting from slot n+O. The BS can share the COT starting from the first symbol of slot n+O. Figure 1 In the example of , O is equal to 2. The duration for which the BSs are allowed to share the COT may be a plurality of symbols or a plurality of time slots.

[0025] For example, in Figure 2In the example, if CG-PUSCH and CG-UCI are sent in slot n, and the UE indicates that the next slot can be shared with the BS, the BS can share the COT starting from the first symbol of slot n+1. The BS can also share the COT starting from the first symbol + i symbols of the next slot. The duration for which the BS is allowed to share the COT can be multiple symbols or multiple slots.

[0026] Example 2

[0027] For the configured granted PUSCH transmission, for example, Figure 3 In the example shown, the UE is configured with one or more CG configurations, and the corresponding CG PUSCH resources in a time slot (e.g., time slot n) do not occupy the last X OFDM symbols. X OFDM symbols may be unoccupied due to two reasons: 1) these X OFDM symbols do not belong to CG-PUSCH resources, 2) these X OFDM symbols are configured for CG-PUSCH, but the UE does not perform any actual transmission in these resources.

[0028] For example, in Figure 3 In the example, CG-PUSCH does not fill the last symbol of time slot n. To ensure the gap duration, the BS may start DL transmission at symbol 13 from time slot n.

[0029] In this case, the UE cannot instruct the BS to share the UE-COT starting from any symbol of the next timeslot (i.e., slot n+1). The reason for this UE behavior is that the condition for the BS to share the UE-COT is that a gap duration should be guaranteed between the end of the UE transmission and the start of the BS transmission. If the BS uses LBT Cat1 or LBT Cat2, the gap duration can be from 0 to 16μs, or if the BS uses LBT Cat2, the gap duration can be 25μs. In this case, if the UE transmission ends prematurely in timeslot n, then in order to guarantee the gap duration, the BS must start transmission in timeslot n, as Figure 3 This may not be allowed because the UE can only indicate to the BS that it can share the COT starting from the starting symbol. The starting symbol is the i-th symbol after the end of slot n. The minimum value of i is 0. This means that the BS can start sharing the COT from symbol 0 of slot n+1 at the earliest. Figure 3 In the figure, we can see that in order to ensure the duration of the gap, if the start symbol (assuming Figure 3If the last X symbols before i=0 in slot n are empty, the BS may need to start sharing in slot n. Therefore, X unoccupied OFDM symbols should be the threshold, that is, if more than X, UE-COT cannot be shared. The value of X can be related to the subcarrier spacing (SCS, i.e. 15khz, 30khz or 60khz).

[0030] One possibility is that X can be the smallest positive integer value such that X*Ls<25μs, where Ls is the OFDM symbol length. Under this criterion, for SCS=15khz or 30khz, X=0, and for SCS=60khz, X=1 (e.g. Figure 4 shown).

[0031] For example, in Figure 4 In , CG-PUSCH does not fill the last symbol of slot n, and to ensure the gap duration, the BS must start DL transmission from slot n on symbol 13. However, for SCS = 60 khz, the OFDM symbol length is shorter than 25 μs, so for a gap duration of 25 μs, the last OFDM symbol is allowed to be left blank.

[0032] In addition, the UE must ensure that there are no empty OFDM symbols between the end and X symbols before the start symbol of the CG-PUSCH, where at the end of the CG-PUSCH the UE includes the CG-UCI indicating that sharing is allowed. Otherwise, the UE should not indicate that sharing is allowed.

[0033] Alternatively, when the BS receives an indication for UE-COT sharing, even if sharing is allowed, the BS may need to ensure that there are no empty OFDM symbols between the end and X symbols before the start symbol of the CG-PUSCH, where the UE includes a CG-UCI indicating that sharing is allowed at the end of the CG-PUSCH. If this is not the case, the BS may ignore the COT indication and consider that the COT is not used for sharing.

[0034] Example 3

[0035] When the ED threshold is not configured, the UE sends a CG-PUSCH including a CG-UCI in time slot n, where the COT sharing information indicated in the CG-UCI may be a 1-bit sharing indication indicating whether the BS is allowed to share the COT, so as to inform the BS whether the BS can start sharing from the i-th symbol after the end of time slot n. If there are multiple CG-PUSCHs in the same time slot n, each CG-PUSCH may include a CG-UCI, and it is assumed that the 1-bit sharing indication is the same value among different CG-UCIs from different CG-PUSCHs in the same time slot.

[0036] For example, in Figure 5 In the same time slot, there are multiple CG-PUSCHs in the same time slot. Each CG-PUSCH may contain a CG-UCI, and among these CG-UCIs in the same time slot, the 1-bit sharing indication should be aligned. Here, the term "aligned" means that in each of the multiple CG-PUSCHs in the same time slot, the 1-bit sharing indication should be the same value, especially when the 1-bit sharing indication indicates that the BS is allowed to share the COT.

[0037] Example 4

[0038] When the ED threshold is configured, the UE sends a CG-PUSCH including a CG-UCI in time slot n. In the CG-UCI, the UE may indicate a time slot offset relative to the current time slot n, for example, m. That is, starting from time slot n+m, the BS may start sharing the UE-COT.

[0039] For example, in Figure 6 In the example, if the CG-UCI in CG-PUSCH 1 sent in time slot n indicates that UE-COT is allowed for sharing, the CG-UCI may indicate a time slot offset 2, which indicates that the BS can share the COT starting from time slot n+2. In this case, the CG-UCI in CG-PUSCH2 sent in time slot n+1 should be aligned, and the offset value should be set accordingly relative to the offset value given in the CG-UCI of CG-PUSCH 1, that is, the time slot offset value in the CG-UCI in CG-PUSCH 2 should be 1, thereby indicating that the BS can share the COT starting from time slot n+1+1 (i.e., time slot n+2).

[0040] If there are multiple CG-PUSCHs between time slot n and time slot n+m, the time slot offset indicated in each CG-UCI carried in each CG-PUSCH should be aligned, that is, point to the same time slot n+m.

[0041] Example 5

[0042] In some cases, the UE may change the previous decision related to enabling COT sharing of the BS. An example is when the UE has very little data to send and the UE cannot ensure that all CG-PUSCHs can be used. In this case, the UE may decide not to share the COT with the BS, that is, the UE indicates in the CG-UCI that the COT is not shared. But later, the UE has more data to be sent in the upcoming CG-PUSCH, and the UE can ensure continuous CG-PUSCH transmission without any gaps. Then, the UE can indicate that the COT can be shared in the later CG-UCI. In this case, the later CG-UCI may overturn the previous COT sharing decision of the previous CG-UCI.

[0043] In view of the above, a method for indicating in a UE-initiated COT that a UE-channel occupancy time (UE-COT) is shared with a BS for a configured grant transmission may be provided. The method is performed by a UE and may include one or more of the following steps:

[0044] - Include UE-COT sharing indication in CG-UCI;

[0045] -Include an indication related to the starting symbol in the CG-UCI. If the UE allows UE-COT sharing, the BS can start sharing the COT from this starting symbol;

[0046] - Indicate BS sharing duration in CG-UCI;

[0047] -The CG-UCI in the CG-PUSCH is sent in the first time slot (time slot n).

[0048] Preferably, the start symbol can be any of the following:

[0049] - If the UE-COT indication in the corresponding CG-UCI gives an indication that sharing is allowed, and if the energy detection (ED) threshold for UE-COT sharing is not configured, the starting symbol may be the i-th symbol after the end of the first time slot (time slot n), where i is an integer; or

[0050] - If the UE-COT indication in the corresponding CG-UCI gives an indication that sharing is allowed and indicates a slot offset of m, and if the ED threshold for UE-COT sharing is configured, the starting symbol may be the jth symbol in slot n+m, where j is an integer;

[0051] -i and j can be configured or predefined.

[0052] Preferably, if the first condition is not met, it is not indicated that UE-COT sharing is allowed.

[0053] Preferably, the first condition is that there are no empty OFDM symbols between X OFDM symbols before the end and start symbols of the CG-PUSCH, where X is an integer, and at the end of the CG-PUSCH, the CG-UCI indicates that sharing is allowed.

[0054] Preferably, X depends on the subcarrier spacing (SCS).

[0055] Preferably, empty OFDM symbols means that the UE does not perform any actual transmission on these OFDM symbols. This is because the OFDM symbols do not belong to the configured granted PUSCH resources or the UE does not have any data to send on these OFDM symbols.

[0056] Preferably, the UE-COT sharing indication may be a 1-bit explicit indication, where '1' means allowed and '0' means not allowed; or the UE-COT sharing indication may implicitly indicate whether BSs are allowed to share the UE-COT.

[0057] Preferably, if multiple CG-UCIs are sent in the same time slot, the UE-COT sharing indications should be aligned.

[0058] A method for determining UE-COT sharing in UE configuration grant transmission may also be provided, performed by a BS, and the method may include one or more of the following steps:

[0059] -Receive CG-UCI from the configured UE CG-PUSCH resources in time slot n;

[0060] -Determine UE-COT sharing information, starting time slot and sharing duration based on the UE-COT sharing indication.

[0061] Preferably, the starting time slot can be any of the following:

[0062] - If the UE-COT indication in the corresponding CG-UCI gives an indication that sharing is allowed, and if the ED threshold for UE-COT sharing is not configured, the starting symbol may be the i-th symbol after the end of the first slot (slot n), where i is an integer; or

[0063] - If the UE-COT indication in the corresponding CG-UCI gives an indication that sharing is allowed and indicates a slot offset of m, and if the ED threshold for UE-COT sharing is configured, the starting symbol may be the jth symbol in slot n+m, where j is an integer;

[0064] -i and j can be configured or predefined.

[0065] Preferably, the method may include the following steps:

[0066] - ignore UE-COT shared information, and

[0067] - If the first condition is not met, consider not sharing UE-COT.

[0068] Preferably, the first condition is that there are no empty OFDM symbols between X OFDM symbols before the end and start symbols of the CG-PUSCH, where X is an integer, and at the end of the CG-PUSCH, the CG-UCI indicates that sharing is allowed.

[0069] Preferably, X depends on the subcarrier spacing (SCS).

[0070] Preferably, empty OFDM symbols means that the UE does not perform any actual transmission on these OFDM symbols. This is because the OFDM symbols do not belong to the configured granted PUSCH resources or the UE does not have any data to send on these OFDM symbols.

[0071] Terms:

[0072] 1. A method for channel occupation time (COT) sharing, performed by a user equipment (UE), the method comprising:

[0073] Indicating (S100) COT sharing information for sharing a COT initiated by a UE in a configured Grant Uplink Control Indicator (CG-UCI);

[0074] Including (S120) the CG-UCI in a configured Granted Physical Uplink Shared Channel (CG-PUSCH);

[0075] The CG-PUSCH is transmitted (S140) to the base station (BS).

[0076] An example of this method is Figure 7 Shown in.

[0077] 2. The method according to clause 1, wherein:

[0078] If the BS configures the UE with an energy detection (ED) threshold for COT sharing, the COT sharing information includes an indication of a time slot offset O and an allowable transmission duration, where O is a positive integer.

[0079] 3. The method according to clause 2, wherein:

[0080] If CG-PUSCH is sent in a timeslot numbered n, the timeslot offset O indicates that the starting point of COT sharing is the first symbol of the timeslot numbered n+O, where n is an integer, and the BS will share the COT from the starting point of COT sharing.

[0081] 4. A method according to clause 2 or 3, wherein:

[0082] The allowable transmission duration indicates a duration for which the BSs are allowed to share the COT.

[0083] 5. A method according to any of the preceding clauses, wherein:

[0084] If the BS does not configure the ED threshold for the UE, the COT sharing information includes sharing on / off information.

[0085] 6. The method according to clause 5, wherein:

[0086] The sharing on / off information is 1-bit information indicating whether COT sharing is permitted.

[0087] 7. A method according to any of the preceding clauses, wherein:

[0088] The UE sends a first CG-PUSCH and a second CG-PUSCH after the first CG-PUSCH to the BS, wherein the first CG-PUSCH includes a first CG-UCI, and the second CG-PUSCH includes a second CG-UCI, wherein the first CG-UCI indicates first COT shared information, and the second CG-UCI indicates second COT shared information.

[0089] 8. The method according to clause 7, wherein:

[0090] If the first COT sharing information indicates that the UE allows the BS to share the COT, the first COT sharing information and the second COT sharing information are aligned.

[0091] 9. The method according to clause 8, wherein:

[0092] If the BS does not configure the ED threshold for the UE, the alignment of the first COT shared information and the second COT shared information means:

[0093] Each of the first COT sharing information and the second COT sharing information includes sharing on / off information, and the sharing on / off information in each of the first COT sharing information and the second COT sharing information indicates that the UE allows the BS to share the COT.

[0094] 10. A method according to clause 8 or 9, wherein:

[0095] If the BS configures an ED threshold for the UE, the alignment of the first COT shared information and the second COT shared information means:

[0096] The first COT sharing information and the second COT sharing information indicate the same starting point of COT sharing, and the BS will start sharing the COT from the same starting point of COT sharing.

[0097] 11. The method according to clause 10, wherein:

[0098] When the first CG-PUSCH and the second CG-PUSCH are sent in different time slots, the first COT sharing information and the second COT sharing information indicate the time slot offset pointing to the same time slot. The first symbol of the same time slot is the starting point of COT sharing, and the BS will share COT from the starting point of COT sharing.

[0099] 12. A method according to any one of clauses 8 to 11, wherein:

[0100] If the UE sends one or more other CG-PUSCHs to the BS after the second CG-PUSCH, each of the one or more other CG-PUSCHs includes a CG-UCI, and the CG-UCI indicates COT shared information aligned with the first shared information and the second shared information.

[0101] 13. The method according to clause 7, wherein:

[0102] If the first COT sharing information indicates that the UE does not allow the BS to share the COT, when the second COT sharing information indicates that the UE allows the BS to share the COT, the second COT sharing information overturns the first COT sharing information.

[0103] 14. A method for channel occupation time (COT) sharing, performed by a base station (BS), the method comprising:

[0104] COT sharing information indicated in a configured granted uplink control indicator (CG-UCI) is received from a user equipment (UE), wherein the CG-UCI is included in a configured granted physical uplink shared channel (CG-PUSCH).

[0105] 15. The method according to clause 14, wherein:

[0106] If the BS configures the UE with an energy detection (ED) threshold for COT sharing, the COT sharing information includes an indication of a time slot offset O and an allowable transmission duration, where O is a positive integer.

[0107] 16. A method according to clause 15, comprising:

[0108] If CG-PUSCH is received in a time slot numbered n, the starting point of COT sharing is determined to be the first symbol of a time slot numbered n+O, where n is an integer, and the BS will share the COT from the starting point of COT sharing.

[0109] 17. A method according to clause 15 or 16, comprising:

[0110] The duration for which the BSs are allowed to share the COT is determined based on the allowable transmission duration.

[0111] 18. A method according to any one of clauses 14 to 17, wherein:

[0112] If the BS does not configure the ED threshold for the UE, the COT sharing information includes sharing on / off information.

[0113] 19. A method according to clause 18, comprising:

[0114] Whether to allow COT sharing is determined based on the sharing on / off information.

[0115] 20. A method according to clause 19, comprising:

[0116] If it is determined that COT sharing is allowed, when CG-PUSCH is received in a time slot numbered n, the starting point of COT sharing is determined to be the first symbol of the time slot numbered n+1 plus i symbols, where n is an integer. The BS will share the COT from the starting point of COT sharing, and i is an integer equal to or greater than zero and is semi-statically configured.

[0117] 21. A method according to any of the preceding clauses, wherein the base station is an eNB for a Long Term Evolution (LTE) system or a gNB for a fifth generation (5G) system.

[0118] 22. User equipment (UE) configured to perform the method of any of clauses 1 to 13 and 21.

[0119] 23. A UE according to clause 22, comprising one or more storage media and one or more computing processors, wherein the one or more storage media store computer-readable instructions, and the one or more computing processors are configured to execute the computer-readable instructions to perform the method according to any one of clauses 1 to 13 and 21. Figure 8 Shown in.

[0120] 24. A computer program comprising instructions which, when executed by a User Equipment (UE), cause the UE to perform a method according to any of clauses 1 to 13 and 21.

[0121] 25. A computer readable medium comprising instructions which, when executed by a user equipment (UE), cause the UE to perform a method according to any of clauses 1 to 13 and 21.

[0122] 26. A base station (BS) configured to perform the method according to any of clauses 14 to 21.

[0123] 27. The BS according to clause 26, comprising one or more storage media storing computer readable instructions and one or more computing processors configured to execute the computer readable instructions to perform the method according to any one of clauses 14 to 21. Fig. 9 Shown in.

[0124] 28. A computer program comprising instructions which, when executed by a base station (BS), cause the BS to perform a method according to any of clauses 14 to 21.

[0125] 29. A computer-readable medium comprising instructions which, when executed by a base station (BS), cause the BS to perform the method according to any one of clauses 14 to 21.

[0126] It should be understood that the present invention is not limited to any details of the foregoing description, but should be broadly interpreted based on the principles defined in the appended claims. Therefore, all changes and modifications that fall within the scope of the claims or their equivalents are intended to be included in the scope of protection.

Claims

1. A method for sharing a channel occupation time (COT), performed by a user equipment (UE), the method comprising: Indicating, in a configured grant uplink control indicator CG-UCI, COT sharing information for sharing the COT initiated by the UE; Including the CG-UCI in the configured granted physical uplink shared channel CG-PUSCH; sending the CG-PUSCH to the base station BS, Wherein, if the UE is configured with an energy detection ED threshold for COT sharing, the COT sharing information includes an indication of a timeslot offset O and an allowable transmission duration, where O is a positive integer, and the allowable transmission duration indicates a duration for which the BS is allowed to share the COT, If the UE is not configured with the ED threshold, the COT sharing information includes sharing on / off information, where the sharing on / off information is 1-bit information indicating whether COT sharing is allowed, and if it is determined that COT sharing is allowed, the starting point of COT sharing is the first symbol of the time slot numbered n+1 plus i symbols, where n is the moment when the CG-PUSCH sent by the UE is received, and n is an integer, and the BS shares the COT starting from the starting point of COT sharing, and wherein i is an integer equal to or greater than zero and is semi-statically configured; The UE sends a first CG-PUSCH and a second CG-PUSCH after the first CG-PUSCH to the BS, wherein the first CG-PUSCH includes a first CG-UCI, and the second CG-PUSCH includes a second CG-UCI, wherein the first CG-UCI indicates first COT shared information, and the second CG-UCI indicates second COT shared information; If the first COT sharing information indicates that the UE allows the BS to share the COT, the first COT sharing information is aligned with the second COT sharing information; If the UE is configured with the ED threshold, the alignment of the first COT sharing information and the second COT sharing information means that: the first COT sharing information and the second COT sharing information indicate the same starting point of COT sharing, and the BS will share the COT from the same starting point of COT sharing; when the first CG-PUSCH and the second CG-PUSCH are sent in different time slots, the first COT sharing information and the second COT sharing information indicate a time slot offset pointing to the same time slot, the first symbol of the same time slot is the starting point of COT sharing, and the BS will share the COT from the starting point of COT sharing.

2. The method according to claim 1, wherein: If the UE is configured with the ED threshold and sends the CG-PUSCH in the time slot numbered n, the time slot offset O indicates that the starting point of COT sharing is the first symbol of the time slot numbered n+O, where n is an integer, and the BS will share the COT from the starting point of COT sharing.

3. The method according to claim 1, wherein: If the UE is not configured with an ED threshold, the alignment of the first COT shared information and the second COT shared information means: Each of the first COT sharing information and the second COT sharing information includes sharing on / off information, and the sharing on / off information in each of the first COT sharing information and the second COT sharing information indicates that the UE allows the BS to share the COT.

4. The method according to any one of claims 1 to 3, wherein: If the UE sends one or more other CG-PUSCHs to the BS after the second CG-PUSCH, each of the one or more other CG-PUSCHs includes a CG-UCI, and the CG-UCI indicates COT shared information aligned with the first COT shared information and the second COT shared information.

5. The method according to claim 1, wherein: If the first COT sharing information indicates that the UE does not allow the BS to share the COT, when the second COT sharing information indicates that the UE allows the BS to share the COT, the second COT sharing information overturns the first COT sharing information.

6. A method for sharing a channel occupation time (COT), performed by a base station (BS), the method comprising: Receiving COT sharing information indicated in a configured Granted Uplink Control Indicator CG-UCI from a user equipment UE, wherein the CG-UCI is included in a configured Granted Physical Uplink Shared Channel CG-PUSCH, Wherein, if the UE is configured with an energy detection ED threshold for COT sharing, the COT sharing information includes an indication of a timeslot offset O and an allowable transmission duration, where O is a positive integer, and the allowable transmission duration indicates a duration for which the BS is allowed to share the COT, If the UE is not configured with the ED threshold, the COT sharing information includes sharing on / off information, where the sharing on / off information is 1-bit information indicating whether COT sharing is allowed, and if it is determined that COT sharing is allowed, the starting point of COT sharing is the first symbol of the time slot numbered n+1 plus i symbols, where n is the moment when the CG-PUSCH sent by the UE is received, and n is an integer, and the BS shares the COT starting from the starting point of COT sharing, and wherein i is an integer equal to or greater than zero and is semi-statically configured; The UE sends a first CG-PUSCH and a second CG-PUSCH after the first CG-PUSCH to the BS, wherein the first CG-PUSCH includes a first CG-UCI, and the second CG-PUSCH includes a second CG-UCI, wherein the first CG-UCI indicates first COT shared information, and the second CG-UCI indicates second COT shared information; If the first COT sharing information indicates that the UE allows the BS to share the COT, the first COT sharing information is aligned with the second COT sharing information; If the UE is configured with the ED threshold, the alignment of the first COT sharing information and the second COT sharing information means that: the first COT sharing information and the second COT sharing information indicate the same starting point of COT sharing, and the BS will share the COT from the same starting point of COT sharing; when the first CG-PUSCH and the second CG-PUSCH are sent in different time slots, the first COT sharing information and the second COT sharing information indicate a time slot offset pointing to the same time slot, the first symbol of the same time slot is the starting point of COT sharing, and the BS will share the COT from the starting point of COT sharing.

7. The method according to claim 6, comprising: If the UE is configured with the ED threshold and receives the CG-PUSCH in the time slot numbered n, the starting point of COT sharing is determined to be the first symbol of the time slot numbered n+O, where n is an integer, and the BS will share the COT from the starting point of COT sharing.

8. The method according to claim 6, comprising: A duration for which the BS is allowed to share the COT is determined based on the allowable transmission duration.

9. The method according to any one of claims 6 to 8, wherein: The base station is an eNB for a long term evolution LTE system or a gNB for a fifth generation 5G system.

10. User equipment UE, comprising one or more storage media and one or more computing processors, wherein the one or more storage media store computer-readable instructions, and the one or more computing processors are configured to run the computer-readable instructions to execute the method according to any one of claims 1 to 5.

11. A computer-readable medium comprising instructions, which, when executed by a user equipment (UE), cause the UE to perform the method according to any one of claims 1 to 5.

12. A base station BS, comprising one or more storage media and one or more computing processors, wherein the one or more storage media store computer-readable instructions, and the one or more computing processors are configured to run the computer-readable instructions to perform the method according to any one of claims 6 to 9.

13. A computer-readable medium comprising instructions, which, when executed by a base station BS, cause the BS to perform the method according to any one of claims 6 to 9.

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