Apparatus and method for wireless local area network (LAN)...

Details Apparatus and method for wireless local area network (LAN)... Apparatus and method for wireless local area network (LAN)...

2007-03-06

2007-03-06

Trinh, Sonny (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

C455S135000, C455S140000

Reexamination Certificate

active

10812384

ABSTRACT:
A radio frequency transceiver for a wireless local area network (LAN) may have two or more antennae. An active antenna that delivers a data-bearing signal having a signal quality at least as good as any of the antennae may be selected based upon measurements of the signal quality during a preamble field of data frames having a substantially longer preamble field than other data frames.

REFERENCES:
patent: 5371734 (1994-12-01), Fischer
patent: 6687492 (2004-02-01), Sugar et al.
patent: 6934299 (2005-08-01), Kaatz
patent: 2003/0137966 (2003-07-01), Odman et al.
patent: 2004/0246983 (2004-12-01), Kaatz
patent: 2005/0245298 (2005-11-01), Mori

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