Method and device for configuring uplink control channel resources in multi-antenna scene
View Patent ↗The technical solutions according to the present disclosure perform configuring the uplink control channel resources for a terminal equipment, by means of a semi-statically configured initial resource and a dynamically configured ACK/NACK Resource Indication (ARI) information which indicates a selection result or offset information. Thereby an uplink control channel resource configuration solution is realized by combining dynamic indication with semi-static indication. The method according to the present disclosure can be achieved in a simple and easy manner, and simultaneously can be used in a Frequency Division Duplexing (FDD) system and a Time Division Duplexing (TDD) system.
1. A method for configuring uplink control channel resources under a multi-antenna scene, comprising:
receiving, by a terminal equipment provided with multiple antennae, downlink control information carrying acknowledgement resource indicator (ARI) information, wherein the downlink control information is sent by a network side equipment;
selecting, by the terminal equipment, one or more channel resource groups or one or more channel resources corresponding to the ARI information out of an initial channel resource set configured by the network side equipment, wherein the initial channel resource set includes multiple channel resource groups or multiple channel resources; and
determining, by the terminal equipment, the channel resources in the selected channel resource group(s) as uplink control channel resources for multi-antenna transmission, or determining the selected channel resource(s) and other channel resource(s) determined by the selected channel resource(s) and one or more offset values as uplink control channel resources for multi-antenna transmission,
when the terminal equipment cannot use the implicit resource(s) corresponding to the PDCCH CCE or a physical uplink control channel (PUCCH) format 3 is used to transmit feedback information, the specific size of ARI information is ┌log 2 N┐ bits, and different values of the ARI information correspond to respective channel resource groups or respective channel resources within the initial channel resource set,
wherein N is a number of channel resource groups or channel resources within the initial channel resource set configured b the network side equipment.
2. The method as claimed in claim 1 , wherein the initial channel resource set is configured to the terminal equipment by a higher layer signaling carrying the initial channel resource set information, wherein the higher layer signaling is sent by the network side equipment; and
wherein one channel resource group or one channel resource within the initial channel resource set is only allocated to a unique terminal equipment in a same sub-frame.
3. The method as claimed in claim 1 , wherein the ARI information is:
information carried by newly-added bits in the downlink control information (DCI) sent by the network side equipment; or,
information obtained by joint encoding with other original information in the DCI sent by the network side equipment; or,
information carried by original information bits in the DCI sent by the network side equipment.
4. The method as claimed in claim 1 , wherein
the offset values are obtained by the terminal equipment from received higher layer signaling carrying the offset values sent by the network side equipment; or,
the offset values are obtained by the terminal equipment from preset offset values corresponding to the network side equipment.
5. A terminal equipment provided with multiple antennae comprising:
a processor;
a memory, which is connected with the processor and stores program and data used when the processor executes; and
a transceiver, which communicates with other communication devices over a transmission medium,
wherein the terminal equipment realizes the following processing, when the program and data stored in the memory are called and executed by the processor:
receiving downlink control information carrying acknowledge resource indicator (ARI) information, wherein the downlink control information is sent by a network side equipment;
selectin one or more channel resource groups or one or more channel resources corresponding to the ARI information out of an initial channel resource set configured by the network side equipment, wherein the initial channel resource set includes multiple channel resource groups or multiple channel resources; and
determining the channel resources in the selected channel resource group(s) as uplink control channel resources for multi-antenna transmission, or determining the selected channel resource(s) and other channel resource(s) determined by the selected channel resource(s) and one or more offset values as uplink control channel resources for multi-antenna transmission,
when the terminal equipment cannot use the implicit resource(s) corresponding to the PDCCH CCE or a physical uplink control channel (PUCCH) format 3 is used to transmit feedback information, the specific size of ARI information is ┌log 2 N┐ bits, and different values of the ARI information correspond to respective channel resource groups or respective channel resources within the initial channel resource set,
where N is a number of channel resource groups or channel resources within the initial channel resource set configured by the network side equipment.
6. The terminal equipment as claimed in claim 5 , wherein the terminal equipment is configured for:
receiving a higher layer signaling carrying the initial channel resource set information, wherein the higher layer signaling is sent by the network side equipment; and
wherein one channel resource group or one channel resource within the initial channel resource set is only allocated to a unique terminal equipment in a same sub-frame.
7. The terminal equipment as claimed in claim 5 , wherein the ARI information is:
information carried by newly-added bits in the downlink control information (DCI) sent by the network side equipment and received by the receiving module; or,
information obtained by joint encoding with other original information in the DCI sent by the network side equipment and received by the receiving module; or,
information carried by original information bits in the DCI sent by the network side equipment and received by the receiving module.
8. A method for configuring uplink control channel resources under a multi-antenna scene, comprising:
selecting, by a network side equipment, one or more channel resource groups or one or more channel resources configured for a terminal equipment provided with multiple antennae out of an initial channel resource set configured for the terminal equipment, wherein the initial channel resource set includes multiple channel resource groups or multiple channel resources;
determining, by the network side equipment, the channel resources in the selected channel resource group(s) as uplink control channel resources for multi-antenna transmission of the terminal equipment, or determining the selected channel resources and other channel resources determined by the selected channel resource(s) and one or more offset values as uplink control channel resources for multi-antenna transmission of the terminal equipment; and
sending, by the network side equipment, downlink control information carrying acknowledgement resource indicator (ARI) information to the terminal equipment, in order to configure the uplink control channel resources for the terminal equipment, wherein the ARI information corresponds to one or more channel resource groups or one or more channel resources,
when the network side equipment determines that the terminal equipment cannot use the implicit resource(s) corresponding to the PDCCH CCE or a physical uplink control channel (PUCCH) format 3 is used to transmit feedback information, the specific size of ARI information is ┌log 2 N┐ bits, and different values of the ARI information correspond to respective channel resource groups or respective channel resources within the initial channel resource set,
wherein N is a number of channel resource groups or channel resources within the initial channel resource set configured by the network side equipment.
9. The method as claimed in claim 8 , wherein the initial channel resource set is configured to the terminal equipment by a higher layer signaling carrying the initial channel resource set information, wherein the higher layer signaling is sent by the network side equipment to the terminal equipment; and
wherein the network side equipment ensures that one channel resource group or one channel resource within the initial channel resource set is only allocated to a unique terminal equipment in a same sub-frame by scheduling signaling.
10. The method as claimed in claim 9 , wherein the ARI information is:
information carried by newly-added bits in the downlink control information (DCI) sent by the network side equipment to the terminal equipment; or,
information obtained by joint encoding with the other original information in the DCI sent by the network side equipment to the terminal equipment; or,
information carried by original information bits in the DCI sent by the network side equipment to the terminal equipment.
11. The method as claimed in claim 8 , wherein
the offset values are sent by the network side equipment through a higher layer signaling carrying offset value information to the terminal equipment; or,
the offset values are obtained by presetting offset values both in the network side equipment and the terminal equipment.
12. A network side equipment, comprising
a processor;
a memory, which is connected with the processor and stores program and data used when the processor executes; and
a transceiver, which communicates with other communication devices over a transmission medium,
wherein the network side equipment realizes the following processing, when the program and data stored in the memory are called and executed by the processor:
selecting one or more channel resource groups or one or more channel resources configured for a terminal equipment provided with multiple antennae out of an initial channel resource set configured for the terminal equipment, wherein the initial channel resource set includes multiple channel resource groups or multiple channel resources;
determining the channel resources in the selected channel resource group(s) as uplink control channel resources for multi-antenna transmission of the terminal equipment, or determining the selected channel resource(s) and other channel resource(s) determined by the selected channel resource(s) and one or more offset values as uplink control channel resources for multi-antenna transmission of the terminal equipment; and
sending downlink control information carrying acknowledgement resource indicator (ARI) information to the terminal equipment, in order to configure the uplink control channel resources for the terminal equipment, wherein the ARI information corresponds to one or more channel resource groups or one or more channel resources,
when the network side equipment determines that the terminal equipment cannot use the implicit resource(s) corresponding to the PDCCH CCE or a physical uplink control channel (PUCCH) format 3 is used to transmit feedback information, the specific size of ARI information is ┌log 2 N┐ bits, and different values of the ARI information correspond to respective channel resource groups or respective channel resources within the initial channel resource set,
where N is a number of channel resource groups or channel resources within the initial channel resource set configured b the network side equipment.
13. The network side equipment as claimed in claim 12 , wherein the network side equipment is configured for:
sending a higher layer signaling carrying the initial channel resource set information to the terminal equipment; and
wherein it is ensured that one channel resource group or one channel resource within the initial channel resource set is only allocated to a unique terminal equipment in a same sub-frame by scheduling signaling sent by the sending module to the terminal equipment.