JP2010193262A - 地上・車上間情報伝送システム - Google Patents
地上・車上間情報伝送システム Download PDFInfo
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Abstract
【解決手段】地上装置1に有線で接続されて駅毎に設けられた複数のアクセスポイント4a,4b,4cと駅の間の中間に設けられた中継局5とを漏洩同軸ケーブル7で接続し、アクセスポイント4a,4b,4cと中継局5は車上無線局6と無線リンクするマルチホップ接続を構築して、アクセスポイント4a,4b,4cと中継局5は複数ルーティングパスを確保することができるというマルチホップの特性を生かすことができ、障害発生時や電波環境の変化に対して柔軟に地上装置1と車上装置3間のパスを変更することができ、安定性を高める。
【選択図】 図1
Description
5;中継局、6;車上無線局、7;漏洩同軸ケーブル、8;車上無線局のアンテナ。
Claims (2)
- 地上装置に有線で接続され、駅毎に設けられた複数のアクセスポイントと、駅の間の中間に設けられた中継局と、列車に搭載された車上装置に接続された車上無線局とで構成され、
前記アクセスポイントと前記中継局の間は漏洩同軸ケーブルで接続され、前記アクセスポイントと前記中継局は前記車上無線局と無線リンクするマルチホップ接続を構築していることを特徴とする地上・車上間情報伝送システム。 - 前記車上無線局のアンテナは、前記漏洩同軸ケーブルに近接して配置され、前記漏洩同軸ケーブルとの間で近接通信する請求項1記載の地上・車上間情報伝送システム。
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JP2009036470A JP5247523B2 (ja) | 2009-02-19 | 2009-02-19 | 地上・車上間情報伝送システム |
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JP2009036470A JP5247523B2 (ja) | 2009-02-19 | 2009-02-19 | 地上・車上間情報伝送システム |
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JP2010193262A true JP2010193262A (ja) | 2010-09-02 |
JP5247523B2 JP5247523B2 (ja) | 2013-07-24 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013001355A (ja) * | 2011-06-21 | 2013-01-07 | Toshiba Corp | 列車制御システムにおける地上制御装置、地上制御方法及び通信方法 |
WO2013146426A1 (ja) * | 2012-03-30 | 2013-10-03 | 日本信号株式会社 | 無線通信ネットワークシステム |
JP2021013080A (ja) * | 2019-07-05 | 2021-02-04 | 三菱電機株式会社 | 無線通信システム |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11186943A (ja) * | 1997-12-18 | 1999-07-09 | Ntt Mobil Commun Network Inc | 既存漏洩同軸ケーブルを用いた無線中継システム |
JP2000102063A (ja) * | 1998-09-25 | 2000-04-07 | Nippon Signal Co Ltd:The | 無線通信ネットワークシステムの同期方法 |
JP2003249889A (ja) * | 2002-02-25 | 2003-09-05 | Mitsubishi Electric Corp | 列車通信システム |
JP2004282685A (ja) * | 2003-06-06 | 2004-10-07 | Global Com:Kk | 移動体光通信システムおよび移動体光通信方法 |
JP2008282188A (ja) * | 2007-05-10 | 2008-11-20 | Koyo Electronics Ind Co Ltd | 通信システム |
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2009
- 2009-02-19 JP JP2009036470A patent/JP5247523B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11186943A (ja) * | 1997-12-18 | 1999-07-09 | Ntt Mobil Commun Network Inc | 既存漏洩同軸ケーブルを用いた無線中継システム |
JP2000102063A (ja) * | 1998-09-25 | 2000-04-07 | Nippon Signal Co Ltd:The | 無線通信ネットワークシステムの同期方法 |
JP2003249889A (ja) * | 2002-02-25 | 2003-09-05 | Mitsubishi Electric Corp | 列車通信システム |
JP2004282685A (ja) * | 2003-06-06 | 2004-10-07 | Global Com:Kk | 移動体光通信システムおよび移動体光通信方法 |
JP2008282188A (ja) * | 2007-05-10 | 2008-11-20 | Koyo Electronics Ind Co Ltd | 通信システム |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013001355A (ja) * | 2011-06-21 | 2013-01-07 | Toshiba Corp | 列車制御システムにおける地上制御装置、地上制御方法及び通信方法 |
WO2013146426A1 (ja) * | 2012-03-30 | 2013-10-03 | 日本信号株式会社 | 無線通信ネットワークシステム |
JP2013212712A (ja) * | 2012-03-30 | 2013-10-17 | Nippon Signal Co Ltd:The | 無線通信ネットワークシステム |
CN104205883A (zh) * | 2012-03-30 | 2014-12-10 | 日本信号株式会社 | 无线通信网络系统 |
KR20140145149A (ko) * | 2012-03-30 | 2014-12-22 | 닛뽄신고가부시기가이샤 | 무선통신 네트워크 시스템 |
CN104205883B (zh) * | 2012-03-30 | 2018-05-22 | 日本信号株式会社 | 无线通信网络系统 |
KR101879710B1 (ko) * | 2012-03-30 | 2018-07-18 | 닛뽄신고가부시기가이샤 | 무선통신 네트워크 시스템 |
JP2021013080A (ja) * | 2019-07-05 | 2021-02-04 | 三菱電機株式会社 | 無線通信システム |
JP7241626B2 (ja) | 2019-07-05 | 2023-03-17 | 三菱電機株式会社 | 無線通信システム |
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