Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2008-01-01
2008-01-01
Vo, Nguyen T. (Department: 2618)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S338000, C370S412000
Reexamination Certificate
active
07315528
ABSTRACT:
A method of data transmission employing frame bursting to improve traffic in a WLAN system. According to a representative embodiment of the invention, a variable parameter set, VPS[n], is provided to a channel access function in the process of obtaining a transmission opportunity (TXOP) for a corresponding access category, AC-n, at a wireless station of the WLAN system. The variation of one or more values in VPS[n] is based on the amount of buffered traffic and is preferably performed such that, when a TXOP is granted, AC-n has buffered an amount of traffic suitable for transmission using frame bursting in such a manner that the service and back-off overheads for AC-n are substantially reduced. Due to the overhead reduction, more channel time becomes available to traffic from other access categories and/or wireless stations. For example, bursting video traffic in accordance with the invention may significantly improve best-effort traffic. In addition, less channel time may be lost to collisions.
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Agere Systems Inc.
Vo Nguyen T.
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