JP5821302B2 - 通信システム - Google Patents
通信システム Download PDFInfo
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- JP5821302B2 JP5821302B2 JP2011130188A JP2011130188A JP5821302B2 JP 5821302 B2 JP5821302 B2 JP 5821302B2 JP 2011130188 A JP2011130188 A JP 2011130188A JP 2011130188 A JP2011130188 A JP 2011130188A JP 5821302 B2 JP5821302 B2 JP 5821302B2
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- optical
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- optical signal
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Description
Claims (1)
- 光放送システムの放送局側の通信システムであって、
1577nm波長帯を有する第1の波長帯に含まれる第1の下り光信号を出力する光回線終端装置と、
放送信号を含み周波数多重された下り電気信号を、前記第1の波長帯に重ならない1550nm波長帯を有する第2の波長帯に含まれる第2の下り光信号に変換する信号変換装置と、
前記第2の下り光信号を増幅する光増幅器と、
前記光増幅器から出力された第2の下り光信号を透過し、前記第1の波長帯を前記第2の波長帯に対して20dB以上の減衰量で減衰する光フィルタと、
前記第1の下り光信号と、前記光フィルタから出力される光信号を合波し、合波後の光信号を、光ファイバを介して加入者宅に送る光カプラと、
を備える、ことを特徴とする通信システム。
Priority Applications (1)
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JP2011130188A JP5821302B2 (ja) | 2011-06-10 | 2011-06-10 | 通信システム |
Applications Claiming Priority (1)
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JP2011130188A JP5821302B2 (ja) | 2011-06-10 | 2011-06-10 | 通信システム |
Publications (2)
Publication Number | Publication Date |
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JP2012257160A JP2012257160A (ja) | 2012-12-27 |
JP5821302B2 true JP5821302B2 (ja) | 2015-11-24 |
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ID=47528275
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JP2011130188A Active JP5821302B2 (ja) | 2011-06-10 | 2011-06-10 | 通信システム |
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JP (1) | JP5821302B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104079344B (zh) * | 2014-04-22 | 2018-05-01 | 上海大学 | 一种无源光网络实现波长重用和保护功能的***和方法 |
CN104185095B (zh) * | 2014-07-09 | 2017-12-05 | 山东大学 | 基于光纤无线融合组网结构下的光学虚拟专用网ovpn***及其运行方法 |
JP6412358B2 (ja) * | 2014-07-26 | 2018-10-24 | シンクレイヤ株式会社 | 通信システム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10173264A (ja) * | 1996-12-09 | 1998-06-26 | Kokusai Denshin Denwa Co Ltd <Kdd> | 利得等化装置 |
JPH10322313A (ja) * | 1997-05-16 | 1998-12-04 | Nec Corp | 波長多重伝送装置 |
KR100605855B1 (ko) * | 2003-09-08 | 2006-07-31 | 삼성전자주식회사 | 방송 스위칭을 통한 방송 통신 융합 ftth망 |
JP4718799B2 (ja) * | 2004-06-17 | 2011-07-06 | Necマグナスコミュニケーションズ株式会社 | Catv光伝送装置およびその装置を用いた光伝送システム |
WO2010042231A1 (en) * | 2008-10-10 | 2010-04-15 | Aurora Network, Inc. | "smart" rf over glass (rfog) cpe unit with seamless pon upgrade capability |
US8849108B2 (en) * | 2009-02-18 | 2014-09-30 | Aurora Networks Inc | Self-correcting wavelength collision avoidance system |
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2011
- 2011-06-10 JP JP2011130188A patent/JP5821302B2/ja active Active
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