Control method and radio apparatus utilizing the same

Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train

Reexamination Certificate

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Details

C375S219000, C375S316000, C375S295000, C375S259000, C455S068000, C455S115100, C455S562100

Reexamination Certificate

active

07965784

ABSTRACT:
A processing unit transmits, from at least one of a plurality of antennas, data corresponding respectively to the plurality of antennas. A control unit generates a request signal with which to have a second radio apparatus provide information on rates at the second radio apparatus. When transmitting the request signal, the processing unit also transmits known signals corresponding respectively to the plurality of antennas, from the plurality of antennas containing an antenna to transmit data.

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