Uplink acknowledgment channel in wireless communication

Details Uplink acknowledgment channel in wireless communication Uplink acknowledgment channel in wireless communication

2006-12-08

2011-11-08

Afshar, Kamran (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S328000, C370S338000, C370S278000, C370S282000, C370S277000

Reexamination Certificate

active

08054796

ABSTRACT:
A shared uplink acknowledgment (ACK) channel can be communicated to the payload recipient. The shared uplink ACK channel information can be communicated in the payload message or in a broadcast control channel. Reserving a dedicated time-frequency chunk for these short ACK messages and multiplexing different users to the same time slot with spreading codes having good cross-correlation properties can be used to accomplish such a shared uplink ACK channel.

REFERENCES:
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IEEE Standard for Local and Metropolitan Area Networks; Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems; Amendment 2: Physical and Medium Access Control Layers for Combined Fixed and Mobile Operation in Licensed Bands and Corrigendum 1; IEEE Computer Society and the IEEE Microwave Theory and Techniques Society, IEEE Std 802.16e—2005 and IEEE Std 802.16—2004/Cor1-2005 (Amendment and Corrigendum to IEEE Std 802.16-2004), Feb. 28, 2006, pp. i-xxxix and 1-822 (863 pages total).

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