US Patent 7702287 Communication device, calibration method, and program
Patent 7702287 was granted and assigned to Kyocera Corporation on April, 2010 by the United States Patent and Trademark Office.
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The present invention is characterized in that with the purpose to reduce influences of a calibration circuit on the calibration, a first calibration weight basic amount and a second calibration weight basic amount are calculated based on each of a calibration signal transmitted from a calibration unit (50) to a base station transmit-receive unit (40) via an antenna x unit (10-x) and a calibration signal transmitted from the base station transmit-receive unit (40) to the calibration unit (50) via the antenna x unit (10-x) respectively, and a calibration weight is calculated based on the first calibration weight basic amount and the second calibration weight basic amount.
US Patent 07702287 Communication device, calibration method, and program US Patent 7702287 Communication device, calibration method, and program
US Patent 07702287 Communication device, calibration method, and program
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