Wireless LAN with carrier sense threshold adaption

Details Wireless LAN with carrier sense threshold adaption Wireless LAN with carrier sense threshold adaption

2005-07-26

2005-07-26

Nguyen, Chau (Department: 2667)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S455000

Reexamination Certificate

active

06922405

ABSTRACT:
The present invention relates to a wireless local area network station comprising a signal processing element, a carrier detect sensing element, a defer behavior sensing element, and memory. The network station transmits and receives signals within a communication cell that defines a carrier detect zone and a defer zone around an access point. The network station associates with the access point by transmitting an association request to the access point and by receiving an association response from the access point during entry of the network station into the cell. The network station receives a preferred carrier detect threshold level value and a preferred defer behavior threshold level value from the access point and stores the carrier detect threshold and defer behavior threshold level values in its memory for use during operation while being associated with the access point.

REFERENCES:
patent: 5410738 (1995-04-01), Diepstraten et al.
patent: 5717688 (1998-02-01), Belanger et al.
patent: 5946631 (1999-08-01), Melnik
patent: 6067291 (2000-05-01), Kamerman et al.
patent: 0589552 (1994-03-01), None
patent: 0903891 (1999-03-01), None
Ad Kamerman et al. “WAVELAN-II: A High-Performance Wireless LAN for the Unlicensed Band” Bell Labs Technical Journal—Summer 1997 pp. 118-133.

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