System, apparatus, and method for radio communication using...

Details System, apparatus, and method for radio communication using... System, apparatus, and method for radio communication using...

2003-04-16

2008-12-23

West, Lewis G (Department: 2618)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

Reexamination Certificate

active

07468961

ABSTRACT:
A communication apparatus includes a correction value calculator for calculating a correction value for a received signal, a status determiner for determining a reception status relating to a reception of a plurality of carriers based on the correction value of the correction value calculator, a determination information inserter for inserting determination information in a transmission signal based on the determination of the status determiner, a transmission mode selector for selecting a transmission mode based on the determination information inserted in a transmission signal, a transmission mode information inserter for inserting, into a transmission signal, information relating to the transmission mode selected by the transmission mode selector, and a transmission mode determiner for determining the transmission mode based on the transmission mode information inserted in the transmission signal. Quality of communication is maintained without reducing a transmission rate by using a usable carrier only.

REFERENCES:
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