Aligning 802.11e HCF and 802.11h TPC operations

Details Aligning 802.11e HCF and 802.11h TPC operations Aligning 802.11e HCF and 802.11h TPC operations

2007-07-17

2007-07-17

Kizou, Hassan (Department: 2616)

Multiplex communications

Communication over free space

Signaling for performing battery saving

C455S522000

Reexamination Certificate

active

10119577

ABSTRACT:
A granted TxOP holder transmits the first frame of a QSTA-to-QSTA communication at a power level sufficient to ensure correct reception by the destination and at least detection by the HC, and then, with exceptions, transmits subsequent frames at a power level merely sufficient to ensure correct reception by the destination, regardless of reception or detection by the HC. Subsequent frames that must be received by the HC, such as those changing the TC queue size or requesting extension of the current TxOP, are transmitted at a power sufficient to ensure reception by the HC as well as the destination, as are the last frame(s). The HC is constrained from reclaiming the channel unconditionally merely because of failure to detect activity, and recovery is limited to the TxOP holder.

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