CPC H04W 4/06 (2013.01) [H04B 7/0617 (2013.01); H04L 1/1816 (2013.01); H04L 5/0055 (2013.01); H04W 16/28 (2013.01); H04W 92/18 (2013.01)] | 20 Claims |
13. A method of a transmitting device, the method comprising:
transmitting groupcast data via sidelink communication to a set of user equipments (“UEs”) using a first cast-type;
receiving negative acknowledgement feedback via sidelink communication from at least one UE of the set of UEs, the negative acknowledgement feedback comprising sidelink Channel State Information (“S-CSI”);
determining a retransmission mode based on the S-CSI, wherein the retransmission mode indicates a second cast-type that is different from the first cast-type; and
performing selectively beamformed retransmission of the groupcast data according to the determined retransmission mode.
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