System and method for communicating beacon transmissions in...

Details System and method for communicating beacon transmissions in... System and method for communicating beacon transmissions in...

2006-06-29

2009-11-10

D'Agosta, Stephen M (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S328000, C370S329000, C455S041200, C455S041300, C455S432100, C455S435100, C455S435200

Reexamination Certificate

active

07616617

ABSTRACT:
A method for transmitting beacon transmissions in a wireless local area network (WLAN) communications system (100) operating on one or more channels includes transmitting a first beacon (C1) using a directional antenna in a first direction (D1) on a first channel. A second beacon (C2) is then transmitted using a directional antenna in a second direction (D2) on the first channel. This process is then repeated such that the first beacon and second beacon after a predetermined beacon interval. The first beacon begins its transmission at a target beacon transmission time (TBTT) and the second beacon begins its transmission in a sequential period defined by an antenna switching time after the transmission of the first beacon.

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PCT International Preliminary Examination Report Application No. PCT/US07/68013 dated Jan. 15, 2009 - 10 pages.
PCT International Search Report and Written Opinion Application No. PCT/US07/68013 dated Oct. 8, 2008 - 10 pages.

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