Method and apparatus for feeding back and receiving...

Details Method and apparatus for feeding back and receiving... Method and apparatus for feeding back and receiving...

2011-03-22

2011-03-22

Qureshi, Afsar M. (Department: 2472)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S336000, C370S342000, C370S400000, C370S431000, C455S068000

Reexamination Certificate

active

07912007

ABSTRACT:
The present invention relates to radio communications and discloses a method and apparatus for feeding back and receiving acknowledgment (ACK) information of semi-persistent scheduling (SPS) data packets. The method for feeding back ACK information of SPS data packets includes receiving an uplink downlink assignment index (UL DAI) from a base station (BS), wherein the UL DAI indicates a number (N) of downlink data packets, mapping acknowledgements
egative acknowledgements (ACKs/NAKs) of k SPS data packets of the downlink data packets to positions from the (N−k+1)th ACK/NAK to the NthACK/NAK, and feeding back N ACKs/NAKs to the BS.

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