FIELD: electrical communication engineering.
SUBSTANCE: invention relates to wireless communication. Method and apparatus for allocating control channels of a relay within a backhaul subframe in a wireless communication system are provided. Method of allocating control channel resources includes steps of: grouping relays according to channel conditions; transmitting information of a resource group in the same resource group allocated for using the same transmission mode for relays belonging to the same relay group; transmitting the control channel message to the relays in accordance with the allocated resource and transmit data to the relays in accordance with the control channel message.
EFFECT: technical result is an improvement in efficiency by reducing the number of blind decodes at the relay node.
28 cl, 11 dwg, 2 tbl
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