Methods and device for allocating and processing sub-frame resource

1. A method for allocating sub-frame resource, comprising:

under the condition that a Multicast Channel (MCH) Scheduling Period (MSP) exceeds a Common Sub-frame allocation Period (CSP), determining an allocation manner for allocating Multicast Broadcast over Single Frequency Network (MBSFN) sub-frame resources to each MCH and a Multimedia Broadcast Multicast Service (MBMS) in the MCH; and

notifying User Equipment (UE) of the allocation manner;

wherein determining the allocation manner for allocating the MBSFN sub-frame resources to each MCH and the MBMS in the MCH comprises:

allocating the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP; and when a number of MBSFN sub-frames allocated to a part of MCHs in the MSP exceeds a preset threshold value, adding indication information to a corresponding position where the number of the MBSFN sub-frames allocated to the part of MCHs reaches the preset threshold value, and starting recounting of other MBSFN sub-frames after the position, wherein a number of the other MBSFN sub-frames is a difference value between a number of all MBSFN sub-frames comprised in the MBSFN sub-frame resources and the preset threshold value, and if the number of the other MBSFN sub-frames still exceeds the preset threshold value, indication information is added to corresponding positions where the preset threshold value is reached every time and the other MBSFN sub-frames after the positions are recounted until the number of the other MBSFN sub-frames is lower than the preset threshold value; or

allocating the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP; and when a number of MBSFN sub-frames allocated to a part of MCHs in the MSP exceeds a preset threshold value, starting recounting of other MBSFN sub-frames after a corresponding position where the number of the MBSFN sub-frames allocated to the part of MCHs reaches the preset threshold value according to an agreement premade with the UE, wherein a number of the other MBSFN sub-frames is a difference value between a number of all MBSFN sub-frames comprised in the MBSFN sub-frame resources and the preset threshold value, and if the number of the other MBSFN sub-frames still exceeds the preset threshold value, the other MBSFN sub-frames after corresponding positions where the preset threshold value is reached every time are recounted until the number of the other MBSFN sub-frames is lower than the preset threshold value, and when a number of MBSFN sub-frames allocated to a single MBMS exceeds the preset threshold value, other MBSFN sub-frames after corresponding positions where the preset threshold value is reached every time are recounted.

2. The method according to claim 1 , wherein determining the allocation manner for allocating the MBSFN sub-frame resources to each MCH and the MBMS in the MCH comprises:

determining that the MSP comprises multiple CSPs;

allocating the MBSFN sub-frame resources for the MBMSs to each MCH in each CSP; and

indicating the MBSFN sub-frames allocated to each MBMS in each CSP in MCH Scheduling Information (MSI) respectively.

3. The method according to claim 1 , wherein determining the allocation manner for allocating the MBSFN sub-frame resources to each MCH and the MBMS in the MCH comprises:

regulating a length of a stop Multicast Traffic Channel (MTCH) field in the MSI, wherein the length of the stop MTCH field is increased by N bits, wherein N is a positive integer.

4. The method according to claim 1 , wherein determining the allocation manner for allocating the MBSFN sub-frame resources to each MCH and the MBMS in the MCH comprises:

configuring a limiting condition, wherein the limiting condition is that a number of MBSFN sub-frames allocated to each MCH for the MBMSs in the MSP does not exceed a preset threshold value; and

allocating the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP according to the limiting condition.

5. The method according to claim 1 , wherein the preset threshold value is 2,043 MBSFN sub-frames.

6. A method for processing sub-frame resource, comprising:

receiving an allocation manner notice from network-side equipment, wherein the allocation manner notice indicates that the network-side equipment determines an allocation manner for allocating Multicast Broadcast over Single Frequency Network (MBSFN) sub-frame resources to each Multicast Channel (MCH) and a Multimedia Broadcast Multicast Service (MBMS) in the MCH under the condition that an MCH Scheduling Period (MSP) exceeds a Common Sub-frame allocation Period (CSP); and

acquiring a required MBMS according to the allocation manner notice;

wherein determining the allocation manner for allocating the MBSFN sub-frame resources to each MCH and the MBMS in the MCH comprises:

allocating the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP; and when a number of MBSFN sub-frames allocated to a part of MCHs in the MSP exceeds a preset threshold value, adding indication information to a corresponding position where the number of the MBSFN sub-frames allocated to the part of MCHs reaches the preset threshold value, and starting recounting of other MBSFN sub-frames after the position, wherein a number of the other MBSFN sub-frames is a difference value between a number of all MBSFN sub-frames comprised in the MBSFN sub-frame resources and the preset threshold value, and if the number of the other MBSFN sub-frames still exceeds the preset threshold value, indication information is added to corresponding positions where the preset threshold value is reached every time and the other MBSFN sub-frames after the positions are recounted until the number of the other MBSFN sub-frames is lower than the preset threshold value; or

allocating the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP; and when a number of MBSFN sub-frames allocated to a part of MCHs in the MSP exceeds a preset threshold value, starting recounting of other MBSFN sub-frames after a corresponding position where the number of the MBSFN sub-frames allocated to the part of MCHs reaches the preset threshold value according to an agreement premade with the UE, wherein a number of the other MBSFN sub-frames is a difference value between a number of all MBSFN sub-frames comprised in the MBSFN sub-frame resources and the preset threshold value, and if the number of the other MBSFN sub-frames still exceeds the preset threshold value, the other MBSFN sub-frames after corresponding positions where the preset threshold value is reached every time are recounted until the number of the other MBSFN sub-frames is lower than the preset threshold value, and when a number of MBSFN sub-frames allocated to a single MBMS exceeds the preset threshold value, other MBSFN sub-frames after corresponding positions where the preset threshold value is reached every time are recounted.

7. A device for allocating sub-frame resource, comprising

a determination module, configured to, under the condition that a Multicast Channel (MCH) Scheduling Period (MSP) exceeds a Common Sub-frame allocation Period (CSP), determine an allocation manner for allocating Multicast Broadcast over Single Frequency Network (MBSFN) sub-frame resources to each MCH and a Multimedia Broadcast Multicast Service (MBMS) in the MCH; and

a notification module, configured to notify User Equipment (UE) of the allocation manner;

wherein the determination module comprises:

a second allocation unit, configured to allocate the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP; and

a first processing unit, configured to, when a number of MBSFN sub-frames allocated to a part of MCHs in the MSP exceeds a preset threshold value, add indication information to a corresponding position where the number of the MBSFN sub-frames allocated to the part of MCHs reaches the preset threshold value, and start recounting of other MBSFN sub-frames after the position, wherein a number of the other MBSFN sub-frames is a difference value between a number of all MBSFN sub-frames comprised in the MBSFN sub-frame resources and the preset threshold value, and if the number of the other MBSFN sub-frames still exceeds the preset threshold value, indication information is added to corresponding positions where the preset threshold value is reached every time and the other MBSFN sub-frames after the positions are recounted until the number of the other MBSFN sub-frames is lower than the preset threshold value;

or the determination module comprises:

a third allocation unit, configured to allocate the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP; and

a second processing unit, configured to, when a number of MBSFN sub-frames allocated to a part of MCHs in the MSP exceeds a preset threshold value, start recounting of other MBSFN sub-frames after a corresponding position where the number of the MBSFN sub-frames allocated to the part of MCHs reaches the preset threshold value according to an agreement premade with the UE, wherein a number of the other MBSFN sub-frames is a difference value between a number of all MBSFN sub-frames comprised in the MBSFN sub-frame resources and the preset threshold value, and if the number of the other MBSFN sub-frames still exceeds the preset threshold value, the other MBSFN sub-frames after corresponding positions where the preset threshold value is reached every time are recounted until the number of the other MBSFN sub-frames is lower than the preset threshold value, and when a number of MBSFN sub-frames allocated to a single MBMS exceeds the preset threshold value, other MBSFN sub-frames after corresponding positions where the preset threshold value is reached every time are recounted.

8. The device according to claim 7 , wherein the determination module comprises:

a determination unit, configured to determine that the MSP comprises multiple CSPs;

a first allocation unit, configured to allocate the MBSFN sub-frame resources for the MBMSs to each MCH in each CSP; and

an indication unit, configured to indicate the MBSFN sub-frames allocated to each MBMS in each CSP in MCH Scheduling Information (MSI) respectively.

9. The device according to claim 7 , wherein the determination module comprises:

a regulation unit, configured to regulate a length of a stop Multicast Traffic Channel (MTCH) field in the MSI, wherein the length of the stop MTCH field is increased by N bits, wherein N is a positive integer.

10. A device for processing sub-frame resource, comprising:

a receiving module, configured to receive an allocation manner notice from network-side equipment, wherein the allocation manner notice indicates that the network-side equipment determines an allocation manner for allocating Multicast Broadcast over Single Frequency Network (MBSFN) sub-frame resources to each Multicast Channel (MCH) and a Multimedia Broadcast Multicast Service (MBMS) in the MCH under the condition that an MCH Scheduling Period (MSP) exceeds a Common Sub-frame allocation Period (CSP); and

an acquisition module, configured to acquire a required MBMS according to the allocation manner notice;

wherein determining the allocation manner for allocating the MBSFN sub-frame resources to each MCH and the MBMS in the MCH comprises:

allocating the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP; and when a number of MBSFN sub-frames allocated to a part of MCHs in the MSP exceeds a preset threshold value, adding indication information to a corresponding position where the number of the MBSFN sub-frames allocated to the part of MCHs reaches the preset threshold value, and starting recounting of other MBSFN sub-frames after the position, wherein a number of the other MBSFN sub-frames is a difference value between a number of all MBSFN sub-frames comprised in the MBSFN sub-frame resources and the preset threshold value, and if the number of the other MBSFN sub-frames still exceeds the preset threshold value, indication information is added to corresponding positions where the preset threshold value is reached every time and the other MBSFN sub-frames after the positions are recounted until the number of the other MBSFN sub-frames is lower than the preset threshold value; or

allocating the MBSFN sub-frame resources for the MBMSs to each MCH in the MSP; and when a number of MBSFN sub-frames allocated to a part of MCHs in the MSP exceeds a preset threshold value, starting recounting of other MBSFN sub-frames after a corresponding position where the number of the MBSFN sub-frames allocated to the part of MCHs reaches the preset threshold value according to an agreement premade with the UE, wherein a number of the other MBSFN sub-frames is a difference value between a number of all MBSFN sub-frames comprised in the MBSFN sub-frame resources and the preset threshold value, and if the number of the other MBSFN sub-frames still exceeds the preset threshold value, the other MBSFN sub-frames after corresponding positions where the preset threshold value is reached every time are recounted until the number of the other MBSFN sub-frames is lower than the preset threshold value, and when a number of MBSFN sub-frames allocated to a single MBMS exceeds the preset threshold value, other MBSFN sub-frames after corresponding positions where the preset threshold value is reached every time are recounted.