Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nobuhiko Ando0
Hideyuki Nakamizo0
Hifumi Noto0
Morishige Hieda0
Hideki Morishige0
Date of Patent
December 24, 2019
0Patent Application Number
155614720
Date Filed
April 1, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Synthesizers (32, 24) for synthesizing feedback signals output from a plurality of antenna modules (4) are provided. A distortion compensation signal output unit (15) derives, from a difference between a feedback signal synthesized by the synthesizers (32, 24) and a base band signal output from a modulation unit (12), a distortion compensation coefficient that provides, to the base band signal, distortion characteristics opposite to distortion characteristics of a signal radiated from the phased array antenna and outputs a predistortion signal representing the distortion compensation coefficient to a PD unit (13).
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