Distributed radar detection for WLAN

Details Distributed radar detection for WLAN Distributed radar detection for WLAN

2007-06-26

2007-06-26

Le, Danh (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S423000, C455S420000, C342S159000, C342S162000

Reexamination Certificate

active

10861293

ABSTRACT:
A base station that monitors for radar signals may reassign the monitoring operation to one or more wireless mobile devices whenever channel load exceeds a first value. The one or more wireless mobile devices may then report to the base station when a radar signal is detected so that the base station may switch communications to a different channel that does not interfere with the radar. In some embodiments the monitoring function may be assigned back to the base station if the channel load decreases below a second value.

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patent: 6292475 (2001-09-01), Swail
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patent: 2003/0134642 (2003-07-01), Kostic et al.
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patent: 2005/0208950 (2005-09-01), Hasse
patent: WO 03/050560 (2003-06-01), None
IEEE, “IEEE 802.11h: Amendment 5: Spectrum and Transmit Power Management Extensions in the 5 GHz band in Europe” IEEE STD 802.11H, Oct. 14, 2003, XP002292634.
PCT ISR and WO dated Sep. 29, 2005.

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