Method and system for implementing service scheduling, base station, and user equipment

1. A method for implementing service scheduling, comprising:

sending, by an evolved Node B, eNB, time-domain scheduling information of Single Cell-Point To Multipoint, SC-PTM, Multimedia Broadcast Multicast Service, MBMS, to User Equipment, UE, wherein

the time-domain scheduling information is used for indicating a position of a time-domain subframe where the MBMS is located,

a Physical Downlink Control Channel, PDCCH, of the time-domain subframe comprises frequency-domain scheduling information of the MBMS,

a Cyclic Redundancy Check, CRC, of the PDCCH is scrambled by using a Radio Network Temporary Identifier, RNTI, corresponding to contents in a Physical Downlink Share Channel, PDSCH, and

the MBMS is sent on the PDSCH.

2. The method according to claim 1 , wherein the time-domain scheduling information is: MBMS Scheduling Channel, MSCH, information, or Multicast Channel, MCH, Scheduling Information, MSI, or Single cell-MBMS Control Channel, MCCH, S-MCCH, information.

3. The method according to claim 2 , when the time-domain scheduling information is S-MCCH information, the method further comprising:

putting the S-MCCH information on a PDSCH, and scrambling a PDCCH of a subframe where an S-MCCH is located by using a Group-RNTI, G-RNTI;

multiplexing the S-MCCH and an S-MTCH in the same subframe or multiplexing the S-MCCH and the S-MTCH in different subframes; and

putting the scrambled PDCCH in a common search space.

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

when the S-MCCH corresponds to a group RNTI, G-RNTI, indicating a correspondence between the G-RNTI and the S-MCCH through a broadcast message; or

when the S-MCCH and the S-MTCH are multiplexed in the same subframe and correspond to the same G-RNTI, indicating the G-RNTI through a broadcast message; or

when MBMS corresponds to different G-RNTIs, indicating a mapping relation between a Temporarily Mobile Group Identifier, TMGI, of the MBMS and a G-RNTI through the S-MCCH,

wherein the broadcast message is a System Information Block, SIB, 13, a new SIB or an MCCH.

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

when two or more S-MTCHs are multiplexed in the same subframe, or an S-MCCH and an S-MTCH are multiplexed, or an S-MTCH and a unicast service are multiplexed, identifying and distinguishing a different logical channel according to a Logical Channel Identifier, LCID in a subframe Media Access Control, MAC, header.

6. The method according to claim 1 , wherein the position of the time-domain subframe comprises: a frame period where the time-domain subframe is located, and an offset of the time-domain subframe in the frame period.

7. The method according to claim 1 , wherein

when the time-domain scheduling information is MSCH information, the method further comprises:

indicating, by the eNB, configuration information of the MSCH information through the S-MCCH, wherein the time-domain scheduling information is put on the MSCH;

when the time-domain scheduling information is MSI, the method further comprises:

indicating, by the eNB, configuration information of an MAC Control Element, CE, where the MSI is located through the S-MCCH, wherein the time-domain scheduling information is put on the MAC CE;

when the time-domain scheduling information is S-MCCH information, the method further comprises:

indicating, by the eNB, configuration information of the S-MCCH information through a system broadcast message SIB or an MCCH,

wherein

the configuration information of the MSCH information comprises: an offset position of a subframe where the MSCH information is located, and a frame period of the subframe where the MSCH information is located,

the configuration information of the MAC CE comprises: an offset position of a subframe where the MAC CE is located, and a frame period of the subframe where the MAC CE is located, and

the configuration information of the S-MCCH information comprises: a frame period of a subframe where the S-MCCH information is located, and an offset position of the subframe where the S-MCCH information is located.

8. The method according to claim 1 , wherein the frequency-domain scheduling information is put into Downlink Control Information, DCI, of the PDCCH, and

the frequency-domain scheduling information comprises: an initial position of the MBMS in a frequency domain and a number of occupied Resource Blocks, RBs.

9. A computer-readable storage medium, with A non-transitory computer-readable storage medium, in which computer-executable instructions are stored and are used to execute the method according to claim 1 .

10. A method for implementing service scheduling, comprising:

receiving, by User Equipment, UE, time-domain scheduling information, performing blind detection at a position of a time-domain subframe indicated by the time-domain scheduling information, determining a Physical Downlink Control Channel, PDCCH, comprising frequency-domain scheduling information of Multimedia Broadcast Multicast Service, MBMS, and reading the frequency-domain scheduling information on the PDCCH; and

receiving, by the UE, the MBMS on a Physical Downlink Share Channel, PDSCH, based on the read frequency-domain scheduling information.

11. The method according to claim 10 , wherein

when the time-domain scheduling information is MBMS Scheduling Channel, MSCH, information, the method further comprises:

acquiring, by the UE, configuration information of an MSCH through indication of a Single cell-MBMS Control Channel, MCCH, S-MCCH, and receiving a corresponding MSCH at a position indicated by the configuration information of the MSCH;

when the time-domain scheduling information is Multicast Channel Scheduling Information, MSI, the method further comprises:

acquiring, by the UE, configuration information of an MAC Control Element, CE, through indication of an S-MCCH, and receiving a corresponding MSI at a position indicated by the configuration information of the MAC CE;

when the time-domain scheduling information is S-MCCH information, the method further comprises:

acquiring, by the UE, configuration information of the S-MCCH information through indication of a system broadcast message SIB or an MCCH, and reading the S-MCCH information according to the configuration information of the S-MCCH information,

wherein

the configuration information of the MSCH information comprises: an offset position of a subframe where the MSCH information is located, and a frame period of the subframe where the MSCH information is located,

the configuration information of the MAC CE comprises: an offset position of a subframe where the MAC CE is located, and a frame period of the subframe where the MAC CE is located, and

the configuration information of the S-MCCH information comprises: a frame period of a subframe where the S-MCCH information is located, and an offset position of the subframe where the S-MCCH information is located.

12. The method according to claim 10 , wherein reading the frequency-domain scheduling information comprises:

receiving, by the UE, a subframe at the position of the time-domain subframe indicated by the time-domain scheduling information, performing blind detection on a PDCCH of the subframe at the indicated position of the time-domain subframe, and determining that the blind detection on the PDCCH for putting the frequency-domain scheduling information succeeds,

wherein the blind detection is: scrambling a Cyclic Redundancy Check, CRC, bit of the received PDCCH by using a Group-Radio Network Temporary Identifier, G-RNTI, and checking scrambled information, when the check is correct, the blind detection succeeds.

13. The method according to claim 10 , wherein

the UE is a UE having a Single Cell-Point To Multipoint, SC-PTM, receiving capability and interested in receiving the MBMS.

14. A computer-readable storage medium, with A non-transitory computer-readable storage medium, in which computer-executable instructions are stored and are used to execute the method according to claim 10 .

15. An evolved Node B, eNB, for implementing service scheduling, comprising a sending unit, configured to: send time-domain scheduling information of Single Cell-Point To Multipoint, SC-PTM, Multimedia Broadcast Multicast Service, MBMS, to User Equipment, UE, wherein

the time-domain scheduling information is used for indicating a position of a time-domain subframe where the MBMS is located,

a Physical Downlink Control Channel, PDCCH, of the time-domain subframe comprises frequency-domain scheduling information of the MBMS,

a Cyclic Redundancy Check, CRC, of the PDCCH is scrambled by using a Radio Network Temporary Identifier, RNTI, corresponding to contents in a Physical Downlink Share Channel, PDSCH, and

the MBMS is sent on the PDSCH.