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Title:
DIGITAL CHANNELIZER, PROGRAM, AND COMMUNICATION SATELLITE
Document Type and Number:
Japanese Patent JP2018042187
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a technique capable of appropriately grasping the states of a plurality of beams formed on the ground.SOLUTION: A digital channelizer includes: a communication signal reception unit for receiving a plurality of communication signals; a control signal reception unit for receiving a control signal to generate a plurality of measuring signals with frequencies different from each other; a measuring signal generation unit for generating a plurality of measuring signals on the basis of the control signal; and a beam formation control unit for combining each of the communication signals and each of the measuring signals and forming a plurality of beams each including both of the communication signals and the measuring signals.SELECTED DRAWING: Figure 2

Inventors:
YOSHIDA OSAMU
SUNAGAWA MASAHIKO
HORIUCHI YUTA
ITO TAKESHI
Application Number:
JP2016176633A
Publication Date:
March 15, 2018
Filing Date:
September 09, 2016
Export Citation:
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Assignee:
SOFTBANK CORP
International Classes:
H04B7/10; H04B7/185; H04J1/00
Domestic Patent References:
JPH11295366A1999-10-29
JPH11295366A1999-10-29
Other References:
秋岡 眞樹 他: "BI-1-6 次世代衛星移動通信システム構築に向けた大型アンテナのビーム安定化のためのダイナミック制御技術", 電子情報通信学会2016年総合大会講演論文集 通信1, JPN6017048910, 1 March 2016 (2016-03-01)
秋岡 眞樹 他: "BI-1-6 次世代衛星移動通信システム構築に向けた大型アンテナのビーム安定化のためのダイナミック制御技術", 電子情報通信学会2016年総合大会講演論文集 通信1, JPN6017048910, 1 March 2016 (2016-03-01)
砂川 雅彦 他: "B-3-32 衛星搭載ディジタル中継器DBFチャネライザの開発試作", 電子情報通信学会2015年総合大会講演論文集 通信1, JPN6017048911, 13 March 2015 (2015-03-13)
砂川 雅彦 他: "B-3-32 衛星搭載ディジタル中継器DBFチャネライザの開発試作", 電子情報通信学会2015年総合大会講演論文集 通信1, JPN6017048911, 13 March 2015 (2015-03-13)
Attorney, Agent or Firm:
Longhua International Patent Service Corporation