Method and device for receiving a packet

Details Method and device for receiving a packet Method and device for receiving a packet

2004-11-24

2010-06-29

Harper, Vincent P (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S204000, C455S142000, C455S178100, C455S187100, C455S191100, C455S464000, C455S516000

Reexamination Certificate

active

07746818

ABSTRACT:
The present invention provides a single circuit and a method which can identify the WLAN standard of a packet or the modulation type of a packet. The single circuit includes a shift register, N determinators and decision logic. The shift register is configured to receive several periods of the preamble of the packet. Each of the N determinators is configured to determine whether the WLAN standard, or the modulation type, of the packet matches one of the N WLAN standards, or the N modulation types. Decision logic is configured to decide the WLAN standard, or the modulation type, of the packet.

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patent: 6633753 (2003-10-01), Kido
patent: 6748200 (2004-06-01), Webster et al.
patent: 7103321 (2006-09-01), Xiong
patent: 7138944 (2006-11-01), Lawrence et al.
patent: 7181170 (2007-02-01), Love et al.
patent: 7340015 (2008-03-01), Jones et al.
patent: 2006/0193277 (2006-08-01), Keaney et al.

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