Method and Device for Distributing Specific Scheduling Request Resource

1. A method for allocating a dedicated scheduling request resource, comprising: configuring a carrier resource in a system supporting carrier aggregation for a user equipment according to a preset scheduling criterion, and allocating corresponding time and frequency resources on the configured carrier resource, wherein the carrier resource together with the time and frequency resources are regarded as a dedicated scheduling request resource; and notifying the user equipment of the carrier resource and the time and frequency resources; wherein the user equipment is notified in an RRC signaling of the carrier resource and the time and frequency resources; and wherein the RRC signaling comprises the frequency resource indication field and time and frequency resource indication field, wherein the frequency resource indication field is used to store the carrier information for the dedicated scheduling request and the time and frequency resource indication field is used to store the time and frequency resources used for transmitting the dedicated scheduling request, and the time and frequency resources includes the PUCCH resource index, period and offset, and the RRC signaling further comprises the maximum number of transmissions that the dedicated scheduling request can be transmitted and the carrier information includes the index or the frequency of the uplink component carrier of the dedicated scheduling request; or the RRC signaling comprises a frequency-hopping mode indication field and a group of hop component carriers indication field, wherein the group of hop component carriers indication field is used to store the carrier information of the hop component carriers available to the user equipment, and the frequency-hopping mode indication field is used to store a relationship between a carrier and time for use of the carriers in a frequency-hopping mode, and the carrier information comprises the indexes or the frequency points of the uplink component carriers of the dedicated scheduling request.

2. The method of claim 1 , wherein the dedicated scheduling request resource comprises: the time and frequency resources allocated to the user equipment are on one uplink component carrier at any time.

3. The method of claim 2 , wherein configuring the carrier resource for the user equipment according to the preset scheduling criterion comprises: choosing one uplink component carrier for the user equipment according to the preset scheduling criterion; and allocating a PUCCH resource index on the chosen uplink component carrier to the user equipment.

4. The method of claim 3 , wherein choosing one uplink component carrier for the user equipment according to the preset scheduling criterion comprises: determining uplink component carriers supported by the user equipment according to UE capability information reported from the user equipment; and choosing one uplink component carrier randomly from the uplink component carriers supported by the user equipment as the dedicated scheduling request resource of the user equipment.

5. The method of claim 3 , wherein choosing one uplink component carrier for the user equipment according to the preset scheduling criterion comprises: choosing a primary carrier as the dedicated scheduling request resource of the user equipment.

6. The method of claim 3 , wherein choosing one uplink component carrier for the user equipment according to the preset scheduling criterion comprises: determining uplink component carriers supported by the user equipment according to UE capability information reported from the user equipment; and choosing one uplink component carrier from the uplink component carriers supported by the user equipment as the dedicated scheduling request resource following a load balance criterion and according to load information of each uplink component carrier.

7. The method of claim 2 , wherein configuring the carrier resource for the user equipment according to the preset scheduling criterion and allocating corresponding time and frequency resources on the configured carrier resource comprises: determining uplink component carriers supported by the user equipment according to UE capability information reported from the user equipment; choosing more than one uplink component carriers from the uplink component carriers supported by the user equipment and configuring the time and frequency resources used for transmitting the dedicated scheduling request on each chosen uplink component carrier, and one time and frequency is related with only one uplink component carrier; and configuring the detailed PUCCH resource index on each chosen uplink component carrier for the user equipment.

8. A device for allocating a dedicated scheduling request resource, comprising: a resource allocation unit configured to configure a carrier resource for a user equipment according to a preset scheduling criterion, and allocate corresponding time and frequency resources on the configured carrier resource, wherein the carrier resource together with the time and frequency resources are regarded as a dedicated scheduling request resource; and a notification unit configured to notify the user equipment of the carrier resource and the time and frequency resources; wherein the notification unit notifies the user equipment of the carrier resource and the time and frequency resources in an RRC signaling; and wherein the RRC signaling comprises the frequency resource indication field and time and frequency resource indication field, wherein the frequency resource indication field is used to store the carrier information for the dedicated scheduling request and the time and frequency resource indication field is used to store the time and frequency resources used for transmitting the dedicated scheduling request, and the time and frequency resources includes the PUCCH resource index, period and offset, and the RRC signaling further comprises the maximum number of transmissions that the dedicated scheduling request can be transmitted and the carrier information includes the index or the frequency of the uplink component carrier of the dedicated scheduling request; or the RRC signaling comprises a frequency-hopping mode indication field and a group of hop component carriers indication field, wherein the group of hop component carriers indication field is used to store the carrier information of the hop component carriers available to the user equipment, and the frequency-hopping mode indication field is used to store a relationship between a carrier and time for use of the carriers in a frequency-hopping mode, and the carrier information comprises the indexes or the frequency points of the uplink component carriers of the dedicated scheduling request.

9. The device of claim 8 , wherein the dedicated scheduling request resource comprises: the time and frequency resources allocated to the user equipment are on one uplink component carrier at any time.

10. The device of claim 9 , wherein the resource allocation unit comprises: an uplink carrier choosing unit configured to choose one uplink component carrier for the user equipment as a carrier for a dedicated scheduling request of the user equipment according to the preset scheduling criterion; a time and frequency configuration unit configured to set a corresponding subframe for the chosen uplink component carrier; and a PUCCH resource index determination unit configured to allocate a PUCCH resource index for a dedicated scheduling request on the chosen uplink component carrier to the user equipment.

11. The device of claim 10 , wherein the uplink carrier choosing unit is configured to determine uplink component carriers supported by the user equipment according to UE capability information reported from the user equipment, and choose one uplink component carrier randomly from the uplink component carriers supported by the user equipment as a carrier for the dedicated scheduling request of the user equipment; or wherein the uplink carrier choosing unit is configured to choose a primary carrier as a carrier for the dedicated scheduling request of the user equipment; or wherein the uplink carrier choosing unit is configured to determine uplink component carriers supported by the user equipment according to UE capability information reported from the user equipment, and choose one uplink component carrier from the uplink component carriers supported by the user equipment as a carrier for the dedicated scheduling request of the user equipment following a load balance criterion and according to load information of each uplink component carrier.

12. The device of claim 9 , wherein the resource allocation unit is configured to determine uplink component carriers supported by the user equipment according to UE capability information reported from the user equipment, choose more than one uplink component carriers from the uplink component carriers supported by the user equipment, and configure on each of the chosen uplink component carriers corresponding time and frequency resources on which the user equipment transmits a dedicated scheduling request and one time and frequency is related with only one uplink component carrier, and allocate a resource index of a PUCCH resource on each of the chosen uplink component carriers to the user equipment.

13. A method for transmitting a dedicated scheduling request, comprising: receiving, by a user equipment in a system supporting carrier aggregation, carrier information and corresponding time and frequency resources information of a dedicated scheduling request resource transmitted from a base station; and transmitting a dedicated scheduling request on the corresponding time and frequency resources on a carrier related to the carrier information designated by the base station; wherein receiving by the user equipment the carrier information and the corresponding time and frequency resources information of the dedicated scheduling request resource transmitted from the base station comprises: receiving, by the user equipment, an RRC signaling transmitted from the base station, which comprises a frequency resource indication field and a time and frequency resource indication field, wherein the frequency resource indication field is used to store the index or the frequency of the uplink component carrier as the dedicated scheduling request resource of the user equipment, and the time and frequency resource indication field is used to indicate the information on the time and frequency resources on which the dedicated scheduling request is transmitted, and the time and frequency resources comprise a resource index of a PUCCH resource, a period and an offset for the dedicated scheduling request, and the RRC signaling further comprises the maximum number of transmissions that the dedicated scheduling request can be transmitted; or wherein receiving by the user equipment the carrier information and the corresponding time and frequency resources information of the dedicated scheduling request resource transmitted from the base station comprises: receiving, by the user equipment, an RRC signaling transmitted from the base station, which comprises a frequency-hopping mode indication field and a group of hop component carries indication field, wherein the group of hop component carriers indication field is used to store the carrier information of the hop component carriers available to the user equipment, and the frequency-hopping mode indication field is used to store a relationship between a carrier and time for use of the carriers in a frequency-hopping mode, and the carrier information comprises the indexes or the frequency points of the uplink component carriers of the dedicated scheduling request.

14. The method of claim 13 , wherein transmitting the dedicated scheduling request on the corresponding time and frequency resources on the carrier related to the carrier information designated by the base station comprises: determining the time and frequency resources on which the dedicated scheduling request is transmitted according to the period and the offset in the time and frequency resource indication field and a preset starting subframe on which the dedicated scheduling request is transmitted; and transmitting the dedicated scheduling request on the determined time and frequency resources on the carrier resource indicated in the frequency resource indication field.

15. The method of claim 13 , wherein transmitting the dedicated scheduling request on the corresponding time and frequency resources on the carrier related to the carrier information designated by the base station comprises: transmitting the dedicated scheduling request on the corresponding time and frequency resources on an uplink component carrier in the hop component carriers in the RRC signaling, and performing frequency-hopping in the time and frequency resources indicated in the frequency-hopping mode indication field.