Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Minako Kitahara0
Date of Patent
April 20, 2010
0Patent Application Number
115713440
Date Filed
June 22, 2005
0Patent Primary Examiner
Patent abstract
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.
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