Patent ID: 9402261
Filing Date: 2016-07-26
CPC Classification: H04B,H04W

Claim Text:
1. A method of operating a first wireless communications device, comprising: receiving a signal including an instruction instructing the first wireless communications device to simultaneously i) transmit uplink data to a base station and ii) transmit device to device data which is different from said uplink data to a second wireless communications device, wherein said signal further includes information indicating a maximum power that can be used for transmitting said device to device data and information indicating a maximum power that can be used for transmitting said uplink data to said base station, and wherein said signal is received from said base station in a control channel; transmitting, in accordance with said instruction, said uplink data on an uplink spectrum in a first multi-antenna stream corresponding to a first multi-antenna configuration; transmitting, simultaneously with said uplink data, in accordance with said instruction, said device to device data on the uplink spectrum in a second multi-antenna stream corresponding to a second multi-antenna configuration, said uplink data being different from said device to device; receiving a first acknowledgement from said base station, said first acknowledgement acknowledging receipt of said uplink data; and receiving a second acknowledgement from said base station, said second acknowledgement acknowledging receipt of said device to device data by said second wireless communications device to which said device to device data was transmitted, wherein the second acknowledgement is received in a downlink transmission resource with a predetermined timing offset from a transmission resource used by the first wireless communications device to transmit the device to device data.