JP2021145210A - 無線通信装置及び無線通信方法 - Google Patents
無線通信装置及び無線通信方法 Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 53
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- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000004458 analytical method Methods 0.000 claims abstract description 27
- 238000004364 calculation method Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 description 23
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
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Claims (4)
- 変調された送信信号の1シンボル内で指向性を複数回変化させつつ、前記送信信号を受信する複数のアンテナと、
複数の前記アンテナが受信した受信信号の振幅及び位相を変更して受信信号パターンを出力するビーム形成部と、
前記受信信号の包絡線の歪成分を最小にするように制御しつつ、前記受信信号の1シンボル内で前記ビーム形成部が前記受信信号の振幅及び位相を複数回変更することによって複数の受信信号パターンを出力するように制御する制御部と、
前記ビーム形成部が出力した信号を複数の信号に分割する信号分割部と、
前記信号分割部が分割した複数の信号の全ての組合せの中から、信号数を削減させて復調した場合に通信品質が最も高くなる信号の組合せを特定する解析を行う解析部と、
前記解析部が解析した結果に基づいて、前記信号分割部が分割した複数の信号の一部を選択する選択部と、
前記選択部が選択した信号をMIMO−OFDM復調する復調部と
を有することを特徴とする無線通信装置。 - 前記解析部は、
前記送信信号の信号電力及び干渉電力の算出結果、又は、前記送信信号のパケットエラーレートの算出結果に基づいて、信号数を削減させて復調した場合に通信品質が最も高くなる信号の組合せを特定する解析を行うこと
を特徴とする請求項1に記載の無線通信装置。 - 変調された送信信号の1シンボル内で指向性を複数回変化させつつ、前記送信信号を受信する受信工程と、
受信した受信信号の振幅及び位相を変更して受信信号パターンを出力するビーム形成工程と、
前記受信信号の包絡線の歪成分を最小にするように制御しつつ、前記受信信号の1シンボル内で前記受信信号の振幅及び位相を複数回変更することによって複数の受信信号パターンを出力するように制御する制御工程と、
出力した複数の受信信号パターンを複数の信号に分割する信号分割工程と、
分割した複数の信号の全ての組合せの中から、信号数を削減させて復調した場合に通信品質が最も高くなる信号の組合せを特定する解析を行う解析工程と、
解析した結果に基づいて、分割した複数の信号の一部を選択する選択工程と、
選択した信号をMIMO−OFDM復調する復調工程と
を含むことを特徴とする無線通信方法。 - 前記解析工程は、
前記送信信号の信号電力及び干渉電力の算出結果、又は、前記送信信号のパケットエラーレートの算出結果に基づいて、信号数を削減させて復調した場合に通信品質が最も高くなる信号の組合せを特定する解析を行うこと
を特徴とする請求項3に記載の無線通信方法。
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Cited By (1)
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WO2022260097A1 (ja) * | 2021-06-11 | 2022-12-15 | 国立大学法人東京工業大学 | 無線通信装置および無線通信方法 |
Citations (1)
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JP2016010057A (ja) * | 2014-06-25 | 2016-01-18 | 日本電信電話株式会社 | 受信装置及び受信方法 |
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JP2016010057A (ja) * | 2014-06-25 | 2016-01-18 | 日本電信電話株式会社 | 受信装置及び受信方法 |
Non-Patent Citations (1)
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渡部 一聖,西森 健太郎,谷口 諒太郎,村上 友規: "仮想 Massive アレーを用いた伝搬環境制御法の提案", 信学技報 IEICE TECHNICAL REPORT CQ2019-15, JPN6022046856, May 2019 (2019-05-01), JP, pages 23 - 26, ISSN: 0005027412 * |
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WO2022260097A1 (ja) * | 2021-06-11 | 2022-12-15 | 国立大学法人東京工業大学 | 無線通信装置および無線通信方法 |
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