JP4880502B2 - 中継装置 - Google Patents
中継装置 Download PDFInfo
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- JP4880502B2 JP4880502B2 JP2007064059A JP2007064059A JP4880502B2 JP 4880502 B2 JP4880502 B2 JP 4880502B2 JP 2007064059 A JP2007064059 A JP 2007064059A JP 2007064059 A JP2007064059 A JP 2007064059A JP 4880502 B2 JP4880502 B2 JP 4880502B2
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Claims (3)
- 無線信号を受信する受信部と、
前記受信部において受信した無線信号からレプリカ信号を生成しながら、生成したレプリカ信号をフィードバックすることによって、新たに受信した無線信号からレプリカ信号を削除するキャンセラ部と、
前記キャンセラ部においてレプリカ信号が削除された無線信号を送信する送信部と、
前記キャンセラ部においてレプリカ信号が削除された無線信号を調査対象信号として入力し、調査対象信号の平均電力に対する調査対象信号の瞬時電力の比を監視することによって、前記キャンセラ部の発振状態を調査する調査部と、
を備えることを特徴とする中継装置。 - 前記調査部は、比がしきい値よりも大きくなった後、所定の期間内に比がしきい値よりも大きくなれば、前記キャンセラ部が発振状態にあるとの調査結果を生成することを特徴とする請求項1に記載の中継装置。
- 前記調査部は、比がしきい値よりも大きくなる回数に応じて、しきい値を段階的に大きくすることを特徴とする請求項2に記載の中継装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007064059A JP4880502B2 (ja) | 2007-03-13 | 2007-03-13 | 中継装置 |
Applications Claiming Priority (1)
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JP2007064059A JP4880502B2 (ja) | 2007-03-13 | 2007-03-13 | 中継装置 |
Publications (2)
Publication Number | Publication Date |
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JP2008227972A JP2008227972A (ja) | 2008-09-25 |
JP4880502B2 true JP4880502B2 (ja) | 2012-02-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007064059A Active JP4880502B2 (ja) | 2007-03-13 | 2007-03-13 | 中継装置 |
Country Status (1)
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JP (1) | JP4880502B2 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3877937B2 (ja) * | 2000-05-18 | 2007-02-07 | 株式会社エヌ・ティ・ティ・ドコモ | フィードフォワード増幅器 |
JP4163935B2 (ja) * | 2002-11-29 | 2008-10-08 | 松下電器産業株式会社 | 中継装置 |
JP2008227973A (ja) * | 2007-03-13 | 2008-09-25 | Japan Radio Co Ltd | 中継装置 |
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- 2007-03-13 JP JP2007064059A patent/JP4880502B2/ja active Active
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JP2008227972A (ja) | 2008-09-25 |
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