Radio communication apparatus and radio communication method

Details Radio communication apparatus and radio communication method Radio communication apparatus and radio communication method

2005-10-25

2010-10-05

Patel, Ajit (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S329000, C370S333000, C370S341000, C455S450000, C455S509000, C455S422100, C375S132000

Reexamination Certificate

active

07808950

ABSTRACT:
A radio communication apparatus determines whether a reception signal is received normally. The apparatus measures strengths of the reception signal, assesses frequency channels using a result whether the reception signal is received normally and a strength of the reception signal, and decides that zero or more of the frequency channels as unusable channel in accordance with a result of an assessment of the frequency channels. The apparatus transmits a radio signal using one of the frequency channels sequentially without using the unusable channel.

REFERENCES:
patent: 6169761 (2001-01-01), Marcoccia et al.
patent: 2002/0116460 (2002-08-01), Treister et al.
patent: 2003/0129954 (2003-07-01), Shimizu
patent: 2006/0034220 (2006-02-01), Shinshou
patent: 2007/0230541 (2007-10-01), Haartsen
patent: 2005-130122 (2005-05-01), None
“Specification of the Bluetooth System”, vol. 2, Version 1.2, Nov. 5, 2003, pp. 161-162.

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