Wireless LAN with enhanced carrier sensing

Details Wireless LAN with enhanced carrier sensing Wireless LAN with enhanced carrier sensing

2001-07-31

2008-12-09

Harper, Kevin C (Department: 2616)

Multiplex communications

Diagnostic testing

C370S343000

Reexamination Certificate

active

07463589

ABSTRACT:
Medium access control device (301) for a mobile network station (3, 4, 5) or an access point (AP1) in a wireless local area network (1), having controlling means (302), processing means (303) and transmitting and receiving means (304); the controlling means (302) being arranged to control transmission and reception of radio frequency data signals containing data symbols; the transmitting and receiving means (304) being arranged for transmission and reception of electromagnetic data signals; the processing means (303) being arranged for detecting a first signal portion and a second signal portion in the received data signal, the second signal portion following the first signal portion and having a signal coding differing from a signal coding of the first signal portion.

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European Search Report, Jan. 18, 2001.
Carl Andrew et al.: “CCK Modulation delivers 11 Mbps for high rate IEEE 802.11 Extension”—Harris Semiconductors, Mar. 14, 2000, pp. 1-8, XP002147321, p. 1, line 1—p. 3, line 16.
Andren et al., “CCK Modulation Delivers 11 Mbps for High Rate IEEE 802.11 Extension,” Harris Semiconductors, XP002147321, pp. 1-8 (Mar. 14, 2000).

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