Intra-donor cell coordinated multi-point transmission with type 1 relay
View Patent ↗A method is provided for communication in a wireless telecommunications system. The method comprises an access node performing a coordinated multi-point (CoMP) transmission with a relay node toward a user equipment, wherein the access node provides CoMP control information via at least one of a relay physical downlink control channel and a relay physical downlink shared channel.
1. A method for communication in a wireless telecommunications system, comprising:
performing, by an access node, a coordinated multi-point (CoMP) transmission with a relay node toward a plurality of user equipment (UEs), wherein the access node is configured to provide CoMP control information via a relay physical downlink control channel (R-PDCCH),
wherein the access node is further configured to transmit the CoMP control information to the relay node over the R-PDCCH, and
wherein the R-PDCCH comprises:
a first portion that includes scheduling information for at least one of a relay physical downlink shared channel (R-PDSCH) and a relay physical uplink shared channel (R-PUSCH); and
a plurality of second portions, each of the plurality of second portions including CoMP control information for a CoMP transmission to a specific UE of the plurality of UEs, the specific UE being identified in the each of the plurality of second portions based on at least one of:
a user identifier; or
an order of transmission of the second portions.
2. The method of claim 1 , wherein the CoMP control information comprises at least one of:
a schedule for the CoMP transmission;
a modulation and coding scheme for the CoMP transmission;
a transmission mode for the CoMP transmission;
a multi-antenna function;
a pre-coding matrix index;
a rank indicator; and
allocated resource block information.
3. The method of claim 1 , wherein the access node determines the CoMP control information and the relay node transmits the CoMP control information to the user equipment.
4. An access node in a wireless telecommunications system, comprising:
a processor configured such that the access node performs a coordinated multi-point (CoMP) transmission with a relay node toward a plurality of user
equipment (UEs), wherein the access node is configured to provide CoMP control information via a relay physical downlink control channel (R-PDCCH),
wherein the access node is further configured to transmit the CoMP control information to the relay node over the R-PDCCH, and
wherein the R-PDCCH comprises:
a first portion that includes scheduling information for at least one of a relay physical downlink shared channel (R-PDSCH) and a relay physical uplink shared channel (R-PUSCH); and
a plurality of second portions, each of the plurality of second portions including CoMP control information for a CoMP transmission to a specific UE of the plurality of UEs, the specific UE being identified in the each of the plurality of second portions based on at least one of:
a user identifier; or
an order of transmission of the second portions.
5. The access node of claim 4 , wherein the CoMP control information comprises at least one of:
a schedule for the CoMP transmission;
a modulation and coding scheme for the CoMP transmission;
a transmission mode for the CoMP transmission;
a multi-antenna function;
a pre-coding matrix index;
a rank indicator; and
allocated resource block information.
6. The access node of claim 4 , wherein the access node determines the CoMP control information and the relay node transmits the CoMP control information to the user equipment.
7. A wireless communications system, comprising
an access node configured to perform a coordinated multi-point (CoMP) transmission with a relay node toward a plurality of user equipment (UEs);
the access node further configured to:
provide CoMP control information via a relay physical downlink control channel (R-PDCCH); and
transmit the CoMP control information to the relay node over the R-PDCCH,
wherein the R-PDCCH comprises:
a first portion that includes scheduling information for at least one of a relay physical downlink shared channel (R-PDSCH) and a relay physical uplink shared channel (R-PUSCH); and
a plurality of second portions, each of the plurality of second portions including CoMP control information for a CoMP transmission to a specific UE of the plurality of UEs, the specific UE being identified in the each of the plurality of second portions based on at least one of:
a user identifier; or
an order of transmission of the second portions.
8. The wireless communications system of claim 7 , wherein the CoMP control information comprises at least one of:
a schedule for the CoMP transmission;
a modulation and coding scheme for the CoMP transmission;
a transmission mode for the CoMP transmission;
a multi-antenna function;
a pre-coding matrix index;
a rank indicator; and
allocated resource block information.
9. The wireless communications system of claim 7 , wherein the access node determines the CoMP control information and the relay node transmits the CoMP control information to the user equipment.
10. A non-transitory computer readable medium storing computer readable instructions executable by a processor of a computing device to cause said device to implement the steps of a method for communication in a wireless telecommunications system, comprising:
performing, by an access node, a coordinated multi-point (CoMP) transmission with a relay node toward a plurality of user equipment (UEs), wherein the access node is configured to provide CoMP control information via a relay physical downlink control channel (R-PDCCH),
wherein the access node is further configured to transmit the CoMP control information to the relay node over the R-PDCCH, and
wherein the R-PDCCH comprises:
a first portion that includes scheduling information for at least one of a relay physical downlink shared channel (R-PDSCH) and a relay physical uplink shared channel (R-PUSCH); and
a plurality of second portions, each of the plurality of second portions including CoMP control informations for a CoMP transmission to a specific UE of the plurality of UEs, the specific UE being identified in the each of the plurality of second portions based on at least one of:
a user identifier; or
an order of transmission of the seconds portions.
11. The non-transitory computer readable medium of claim 10 , wherein the CoMP control information comprises at least one of:
a schedule for the CoMP transmission;
a modulation and coding scheme for the CoMP transmission;
a transmission mode for the CoMP transmission;
a multi-antenna function;
a pre-coding matrix index;
a rank indicator; and
allocated resource block information.
12. The non-transitory computer readable medium of claim 10 , wherein the access node determines the CoMP control information and the relay node transmits the CoMP control information to the user equipment.