Method for transmitting and receiving sounding signal, base station and user equipment

1. A method for transmitting a sounding signal, comprising:

receiving a trigger message transmitted by a base station, wherein the trigger message comprises instruction information for instructing at least one user equipment (UE) in a group of UEs to transmit a sounding signal, and the group of UEs comprises at least two UEs; and

transmitting the sounding signal to the base station according to the instruction information;

wherein simultaneous with, before, or after the receiving the trigger message transmitted by the base station, the method further comprises: receiving a notification message transmitted by the base station, wherein the notification message comprises configuration information of a sounding signal resource; and

wherein the transmitting the sounding signal to the base station according to the instruction information comprises: transmitting the sounding signal to the base station on a sounding signal resource corresponding to the UE according to the instruction information, wherein the sounding signal resource corresponding to the UE is calculated by the UE based on the configuration information of the sounding signal resource according to an intra-group position or an intra-number of the UE.

2. The method according to claim 1 , wherein:

the trigger message is carried by a high layer signaling that comprises the instruction information; or

the trigger message is carried by a physical downlink control channel (PDCCH) bearing downlink control information (DCI), wherein the DCI comprises the instruction information.

3. The method according to claim 1 , wherein the transmitting the sounding signal to the base station on the sounding signal resource comprises:

transmitting the sounding signal to the base station by adopting a mode of occupying the sounding signal resource in a time division manner.

4. The method according to claim 3 , further comprising:

receiving a high layer signaling transmitted by the base station, wherein the high layer signaling comprises a transmitting sequence of the at least one UE occupying the sounding signal resource in the time division manner;

wherein the transmitting the sounding signal to the base station by adopting the mode of occupying the sounding signal resource in the time division manner comprises occupying the sounding signal resource in the time division manner and transmitting the sounding signal to the base station according to the transmitting sequence.

5. A method for receiving a sounding signal, comprising:

transmitting a trigger message to at least one user equipment (UE) in a group of UEs, wherein the trigger message comprises instruction information for instructing the at least one UE to transmit a sounding signal, and the group of UEs comprises at least two UEs; and

receiving the sounding signal transmitted by the at least one UE according to the instruction information;

wherein simultaneous with, before, or after the transmitting the trigger message to the at least one UE in the group of UEs, the method further comprises: transmitting a notification message to the at least one UE, wherein the notification message comprises configuration information of a sounding signal resource; and

wherein the receiving the sounding signal transmitted by the at least one UE according to the instruction information comprises: receiving the sounding signal transmitted by each UE in the group of UEs on a sounding signal resource corresponding to said each UE according to the instruction information, wherein the sounding signal resource corresponding to said each UE is calculated by said each UE based on the configuration information of the sounding signal resource according to an intra-group position or an intra-number of said each UE.

6. The method according to claim 5 , wherein

the trigger message is carried by a high layer signaling, and the high layer signaling comprises the instruction information; or

the trigger message is carried by a physical downlink control channel (PDCCH) bearing downlink control information (DCI), wherein the DCI comprises the instruction information.

7. The method according to claim 5 , wherein the receiving the sounding signal transmitted by the at least one UE on the sounding signal resource according to the instruction information comprises: receiving the sounding signal transmitted by the at least one UE by adopting a mode of occupying the sounding signal resource in a time division manner.

8. A user equipment (UE), comprising:

a first receiving module, configured to receive a trigger message transmitted by a base station, wherein the trigger message comprises instruction information, wherein the instruction information is used for instructing at least one UE in a group of UEs to transmit a sounding signal; and

a transmitting module, configured to transmit the sounding signal to the base station according to the instruction information;

wherein the user equipment further comprises a second receiving module, configured to receive a notification message transmitted by the base station simultaneous with, before, or after the first receiving module receives the trigger message transmitted by the base station, wherein the notification message comprises configuration information of a sounding signal resource; and

wherein the transmitting module is specifically configured to transmit the sounding signal to the base station on a sounding signal resource corresponding to the UE according to the instruction information, wherein the sounding signal resource corresponding to the UE is calculated by the UE based on the configuration information of the sounding signal resource according to an intra-group position or an intra-number of the UE.

9. The user equipment according to claim 8 , wherein

the trigger message is carried by a high layer signaling, and the high layer signaling comprises the instruction information; or

the trigger message is carried by a physical downlink control channel (PDCCH) bearing downlink control information (DCI), wherein the DCI comprises the instruction information.

10. The user equipment according to claim 8 , wherein

the notification message is carried by a high layer signaling, and the high layer signaling comprises the configuration information; or

the notification message is carried by a PDCCH bearing DCI, and the DCI comprises the configuration information.

11. The user equipment according to claim 8 , wherein the transmitting module is configured to transmit the sounding signal to the base station by adopting a mode of occupying the sounding signal resource in a time division manner.

12. The user equipment according to claim 11 , wherein the second receiving module is also configured to receive a high layer signaling transmitted by the base station, wherein the high layer signaling comprises a transmitting sequence of the at least one UE occupying the sounding signal resource in the time division manner; and

wherein the transmitting module is specifically configured to occupy the sounding signal resource in the time division manner and transmit the sounding signal to the base station according to the transmitting sequence.

13. A base station, comprising:

a triggering module, configured to transmit a trigger message to at least one user equipment (UE) in a group of UEs, wherein the trigger message comprises instruction information, and the instruction information is used for instructing the at least one UE to transmit a sounding signal; and

a receiving module, configured to receive the sounding signal transmitted by the at least one UE according to the instruction information;

wherein the base station further comprises a notification module, configured to transmit a notification message to the at least one UE, wherein the notification message comprises configuration information of a sounding signal resource; and

wherein the receiving module is configured to receive the sounding signal transmitted by each UE in the group of UEs on the sounding signal resource corresponding to said each UE according to the instruction information, wherein the sounding signal resource corresponding to said each UE is calculated by said each UE based on the configuration information of the sounding signal resource according to an intra-group position or an intra-number of said each UE.

14. The base station according to claim 13 , wherein

the trigger message is carried by a high layer signaling, and the high layer signaling comprises the instruction information; or

the trigger message is carried by a physical downlink control channel (PDCCH) bearing downlink control information (DCI), wherein the DCI comprises the instruction information.

15. The base station according to claim 13 , wherein the receiving module is configured to receive the sounding signal transmitted by the at least one UE by adopting a mode of occupying the sounding signal resource in a time division manner.

16. The base station according to claim 15 ,

wherein the notification module is also configured to transmit a high layer signaling to the at least one UE, wherein the high layer signaling comprises a transmitting sequence of the at least one UE occupying the sounding signal resource in the time division manner.

17. The method according to claim 1 , wherein, the trigger message further comprises configuration information of a sounding signal resource;

wherein the transmitting the sounding signal to the base station according to the instruction information comprises transmitting the sounding signal to the base station on the sounding signal resource according to the instruction information.

18. The method according to claim 17 , wherein the configuration information comprises a transmitting sequence of the at least one UE occupying the sounding signal resource in a time division manner;

wherein the transmitting the sounding signal to the base station by adopting the mode of occupying the sounding signal resource in the time division manner comprises occupying the sounding signal resource in the time division manner and transmitting the sounding signal to the base station according to the transmitting sequence.

19. The method according to claim 5 , wherein, the trigger message further comprises configuration information of a sounding signal resource;

wherein the receiving the sounding signal transmitted by the at least one UE according to the instruction information comprises receiving the sounding signal transmitted by the at least one UE on the sounding signal resource according to the instruction information.

20. The user equipment according to claim 11 , wherein the configuration information comprises a transmitting sequence of the at least one UE occupying the sounding signal resource in a time division manner; and

wherein the transmitting module is configured to occupy the sounding signal resource in the time division manner and transmit the sounding signal to the base station according to the transmitting sequence.

21. The base station according to claim 13 , wherein the trigger message further comprises configuration information of a sounding signal resource;

wherein the receiving module is configured to receive the sounding signal transmitted by the at least one UE on the sounding signal resource according to the instruction information.

22. The base station according to claim 21 , wherein the configuration information further comprises a transmitting sequence of the at least one UE occupying the sounding signal resource in a time division manner.