JP4663795B2 - 光同軸混合網を用いた電力線通信システムおよびこの電力線通信システムで用いられる通信装備 - Google Patents
光同軸混合網を用いた電力線通信システムおよびこの電力線通信システムで用いられる通信装備 Download PDFInfo
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Description
Claims (20)
- 光同軸混合網通信システムの光通信網ユニットであって、
光ファイバと連結し、前記光ファイバを介して光イーサネット(登録商標)装置から光イーサネット(登録商標)信号を受信する第1通信ポート部と、
1つ以上の同軸ケーブルと連結する第2通信ポート部と、
前記受信した光イーサネット(登録商標)信号をイーサネット(登録商標)信号に変換する媒体変換部と、
MACアドレスを利用して前記イーサネット(登録商標)信号をPLCイーサネット(登録商標)信号に変換するPLC変換部と、
前記PLCイーサネット(登録商標)信号が前記第2通信ポート部と連結した前記1つ以上の同軸ケーブルを介して需要家にそれぞれ送信されるように制御する送信制御部と、
を備えることを特徴とするPLC光通信網ユニット。 - 前記PLC変換部は、前記イーサネット(登録商標)信号を5MHz〜42MHzの周波数バンドまたは5MHz〜85MHzの周波数バンドを有するPLCイーサネット(登録商標)信号に変換することを特徴とする請求項1に記載のPLC光通信網ユニット。
- 前記第2通信ポート部を介して前記需要家から1つ以上のPLCイーサネット(登録商標)信号を受信する場合、前記送信制御部は、前記1つ以上のPLCイーサネット(登録商標)信号を前記1つのPLCイーサネット(登録商標)信号にカップリングし、前記PLC変換部は、前記カップリングされたPLCイーサネット(登録商標)信号をイーサネット(登録商標)信号に変換し、前記媒体変換部は、前記変換されたイーサネット(登録商標)信号を光イーサネット(登録商標)信号に変換して前記第1通信ポート部および前記光ファイバを介して前記光信号送信装置に送信することを特徴とする請求項1に記載のPLC光通信網ユニット。
- 光信号送信装置から前記第1通信ポート部を介して受信するCATV光信号をCATV信号に変換し、前記CATV信号を増幅または等化させて前記第2通信ポート部と連結した同軸ケーブルを介して前記需要家に送信されるように制御するダウンリンクモジュールと、
前記CATV信号の増幅または減衰レベルを感知して前記ダウンリンクモジュールの前記CATV信号増幅を制御するモニタリング部と、
をさらに備え、
前記モニタリング制御部は、前記PLC変換部を介して変換される前記PLCイーサネット(登録商標)信号の増幅または減衰レベルを制御し、前記CATV信号は、54MHz〜870MHzの周波数バンドまたは100MHz〜870MHzの周波数バンドを有することを特徴とする請求項1に記載のPLC光通信網ユニット。 - 前記PLC変換部は、
前記イーサネット(登録商標)信号のMACアドレスをPLCプロトコルに対応する前記MACアドレスに変換するMACアドレス変換部と、
前記MACアドレス変換されたイーサネット(登録商標)信号を前記PLCプロトコルに対応する物理階層を有するPLCイーサネット(登録商標)信号に変調する物理階層変換部と、
を備えることを特徴とする請求項1に記載のPLC光通信網ユニット。 - 光同軸混合網通信システムの幹線分岐増幅器であって、
光通信網ユニットまたは光イーサネット(登録商標)装置と光ファイバを介して連結し、前記光通信網ユニットまたは光イーサネット(登録商標)装置から光イーサネット(登録商標)信号を受信する第1通信ポート部と、
1つ以上の同軸ケーブルと連結する第2通信ポート部と、
前記受信した光イーサネット(登録商標)信号をイーサネット(登録商標)信号に変換する媒体変換部と、
MACアドレスを利用して前記イーサネット(登録商標)信号をPLCイーサネット(登録商標)信号に変換するPLC変換部と、
前記PLCイーサネット(登録商標)信号が前記第2通信ポート部に連結した前記1つ以上の同軸ケーブルを介して需要家に送信されるように制御する送信制御部と、
を備えることを特徴とするPLC幹線分岐増幅器。 - 前記PLC変換部は、前記イーサネット(登録商標)信号を5MHz〜42MHzの周波数バンドまたは5MHz〜85MHzの周波数バンドを有するPLCイーサネット(登録商標)信号に変換することを特徴とする請求項6に記載のPLC幹線分岐増幅器。
- 前記光通信網ユニットから受信するCATV信号を増幅または等化して前記第2通信ポート部を介して前記需要家に送信するダウンリンクモジュールと、
前記CATV信号の増幅または減衰レベルを感知して前記ダウンリンクモジュールの前記CATV信号増幅を制御するモニタリング制御部と、
をさらに備え、
前記モニタリング制御部は、前記PLC変換部を介して変換される前記PLCイーサネット(登録商標)信号の増幅または減衰レベルを制御し、前記CATV信号は、54MHz〜870MHzの周波数バンドまたは100MHz〜870MHzの周波数バンドを有することを特徴とする請求項6に記載のPLC幹線分岐増幅器。 - 前記PLC変換部は、
前記イーサネット(登録商標)信号のMACアドレスをPLCプロトコルに対応する前記MACアドレスに変換するMACアドレス変換部と、
前記MACアドレス変換されたイーサネット(登録商標)信号を前記PLCプロトコルに対応する物理階層を有するPLCイーサネット(登録商標)信号に変調する物理階層変換部と、
を備えることを特徴とする請求項6に記載のPLC幹線分岐増幅器。 - 光同軸混合網通信システムの幹線分岐増幅器であって、
MACアドレスを利用してイーサネット(登録商標)信号をPLCイーサネット(登録商標)信号に変換する光通信網ユニットと同軸ケーブルを介して連結し、前記光通信網ユニットから送信される前記PLCイーサネット(登録商標)信号を高帯域PLCイーサネット(登録商標)信号および低帯域PLCイーサネット(登録商標)信号に分離する第1通信ポート部と、
1つ以上の同軸ケーブルを介して需要家と連結し、前記需要家から送信されるPLCイーサネット(登録商標)信号を高帯域PLCイーサネット(登録商標)信号および低帯域PLCイーサネット(登録商標)信号に分離する第2通信ポート部と、
前記第1通信ポート部を介して分離した前記高帯域PLCイーサネット(登録商標)信号を増幅して前記第2通信ポート部を介して前記需要家に送信する増幅部と、
前記第1通信ポート部または第2通信ポート部を介して分離した前記低帯域PLCイーサネット(登録商標)信号が前記光通信網ユニットまたは前記需要家にそれぞれ送信されるように制御する低帯域通過部と、
を備えることを特徴とする幹線分岐増幅器。 - 前記低帯域PLCイーサネット(登録商標)信号は、5MHz〜42MHzの周波数バンドまたは5MHz〜85MHzの周波数バンドを有し、前記高帯域PLCイーサネット(登録商標)信号は、54MHz〜870MHzの周波数バンドまたは100MHz〜870MHzの周波数バンドを有することを特徴とする請求項10に記載の幹線分岐増幅器。
- 光同軸混合網通信システムの分配増幅器であって、
光通信網ユニット、幹線分岐増幅器、または光イーサネット(登録商標)装置と光ファイバを介して連結し、前記光通信網ユニット、前記幹線分岐増幅器、または光イーサネット(登録商標)装置から光イーサネット(登録商標)信号を受信する第1通信ポート部と、
1つ以上の同軸ケーブルと連結する第2通信ポート部と、
前記受信した光イーサネット(登録商標)信号をイーサネット(登録商標)信号に変換する媒体変換部と、
MACアドレスを利用して前記イーサネット(登録商標)信号をPLCイーサネット(登録商標)信号に変換するPLC変換部と、
前記PLCイーサネット(登録商標)信号が前記第2通信ポート部と連結した前記1つ以上の同軸ケーブルを介して需要家にそれぞれ送信されるように制御する送信制御部と、
を備えることを特徴とするPLC分配増幅器。 - 前記PLC変換部は、前記イーサネット(登録商標)信号を5MHz〜42MHzの周波数バンドまたは5MHz〜85MHzの周波数バンドを有するPLCイーサネット(登録商標)信号に変換することを特徴とする請求項12に記載のPLC分配増幅器。
- 前記光通信網ユニットまたは前記幹線分岐増幅器から受信するCATV信号を増幅または等化して前記第2通信ポート部を介して前記需要家に送信するダウンリンクモジュールと、
前記CATV信号の増幅または減衰レベルを感知して前記ダウンリンクモジュールの前記CATV信号増幅を制御するモニタリング制御部と、
をさらに備え、
前記モニタリング制御部は、前記PLC変換部を介して変換される前記PLCイーサネット(登録商標)信号の増幅または減衰レベルを制御し、前記CATV信号は、54MHz〜870MHzの周波数バンドまたは100MHz〜870MHzの周波数バンドを有することを特徴とする請求項12に記載のPLC分配増幅器。 - 前記PLC変換部は、
前記イーサネット(登録商標)信号のMACアドレスをPLCプロトコルに対応するMACアドレスに変換するMACアドレス変換部と、
前記MACアドレス変換されたイーサネット(登録商標)信号を前記PLCプロトコルに対応する物理階層を有するPLCイーサネット(登録商標)信号に変調する物理階層変換部と、
を備えることを特徴とする請求項12に記載のPLC分配増幅器。 - 光同軸混合網通信システムの分配増幅器であって、
MACアドレスを利用してイーサネット(登録商標)信号をPLCイーサネット(登録商標)信号に変換する光通信網ユニットまたは幹線分岐増幅器と同軸ケーブルを介して連結し、前記光通信網ユニットから送信されるPLCイーサネット(登録商標)信号を高帯域PLCイーサネット(登録商標)信号および低帯域PLCイーサネット(登録商標)信号に分離する第1通信ポート部と、
1つ以上の同軸ケーブルを介して需要家と連結し、前記需要家から送信されるPLCイーサネット(登録商標)信号を高帯域PLCイーサネット(登録商標)信号および低帯域PLCイーサネット(登録商標)信号に分離する第2通信ポート部と、
前記第1通信ポート部を介して分離した前記高帯域PLCイーサネット(登録商標)信号を増幅して前記第2通信ポート部を介して前記需要家に送信する増幅部と、
前記第1通信ポート部または第2通信ポート部を介して分離した前記低帯域PLCイーサネット(登録商標)信号が前記光通信網ユニットまたは前記需要家にそれぞれ送信されるように制御する低帯域通過部と、
を備えることを特徴とする分配増幅器。 - 前記低帯域PLCイーサネット(登録商標)信号は、5MHz〜42MHzの周波数バンドまたは5MHz〜85MHzの周波数バンドを有し、前記高帯域PLCイーサネット(登録商標)信号は、54MHz〜870MHzの周波数バンドまたは100MHz〜870MHzの周波数バンドを有することを特徴とする請求項16に記載の分配増幅器。
- 光同軸混合網通信システムであって、
IPネットワークから受信するイーサネット(登録商標)信号を光イーサネット(登録商標)信号に変換する光イーサネット(登録商標)装置と、
ケーブルテレビシステムから受信するCATV信号をCATV光信号に変換する光信号送信装置と、
前記光信号送信装置から光ファイバを介して受信する前記CATV光信号をCATV信号に変換し、前記光イーサネット(登録商標)装置から受信する前記光イーサネット(登録商標)信号を前記光イーサネット(登録商標)信号と連関されたイーサネット(登録商標)信号のMACアドレスを利用してPLCイーサネット(登録商標)信号に変換する光通信網ユニットと、
前記光通信網ユニットから前記CATV信号または前記PLCイーサネット(登録商標)信号を受信し、前記CATV信号が需要家に設置された1つ以上の映像端末機に送信されるように制御し、前記PLCイーサネット(登録商標)信号が前記需要家に設置された1つ以上の通信端末機に電力線を介して送信されるように制御するPLCカップリング装置と、
を備えることを特徴とする光同軸混合網電力線通信システム。 - 光同軸混合網通信システムであって、
IPネットワークから受信するイーサネット(登録商標)信号を光イーサネット(登録商標)信号に変換する光イーサネット(登録商標)装置と、
前記光イーサネット(登録商標)装置または光通信網ユニットから受信する前記光イーサネット(登録商標)信号を前記光イーサネット(登録商標)信号と連関されたイーサネット(登録商標)信号のMACアドレスを利用してPLCイーサネット(登録商標)信号に変換する幹線分岐増幅器と、
前記幹線分岐増幅器から前記PLCイーサネット(登録商標)信号を受信し、前記PLCイーサネット(登録商標)信号が前記需要家に設置された1つ以上の通信端末機に電力線を介して送信されるように制御するPLCカップリング装置と、
を備えることを特徴とする光同軸混合網電力線通信システム。 - 光同軸混合網通信システムであって、
IPネットワークから受信するイーサネット(登録商標)信号を光イーサネット(登録商標)信号に変換する光イーサネット(登録商標)装置と、
前記光イーサネット(登録商標)装置、光通信網ユニット、または幹線分岐増幅器から受信する前記光イーサネット(登録商標)信号を前記光イーサネット(登録商標)信号と連関されたイーサネット(登録商標)信号のMACアドレスを利用してPLCイーサネット(登録商標)信号に変換する分配増幅器と、
前記分配増幅器から前記PLCイーサネット(登録商標)信号を受信し、前記PLCイーサネット(登録商標)信号が前記需要家に設置された1つ以上の通信端末機に電力線を介して送信されるように制御するPLCカップリング装置と、
を備えることを特徴とする光同軸混合網電力線通信システム。
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KR1020050115008A KR100649451B1 (ko) | 2005-11-29 | 2005-11-29 | 광 동축 혼합망을 이용한 전력선 통신 시스템 및 상기전력선 통신 시스템에서 사용되는 통신 장비 |
KR20050119027 | 2005-12-07 | ||
PCT/KR2006/005101 WO2007064149A1 (en) | 2005-11-29 | 2006-11-29 | Power line communication system using hybrid-fiber coaxial and communication device used in the system |
KR1020060118869A KR100773469B1 (ko) | 2005-12-07 | 2006-11-29 | 광 동축 혼합망을 이용한 전력선 통신 시스템 및 상기전력선 통신 시스템에서 사용되는 통신 장비 |
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JP2009517962A JP2009517962A (ja) | 2009-04-30 |
JP4663795B2 true JP4663795B2 (ja) | 2011-04-06 |
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JP2008543196A Expired - Fee Related JP4663795B2 (ja) | 2005-11-29 | 2006-11-29 | 光同軸混合網を用いた電力線通信システムおよびこの電力線通信システムで用いられる通信装備 |
Country Status (5)
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US (2) | US20080279199A1 (ja) |
EP (1) | EP1955454A4 (ja) |
JP (1) | JP4663795B2 (ja) |
CN (1) | CN101317350B (ja) |
WO (1) | WO2007064149A1 (ja) |
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WO2007064149A1 (en) | 2007-06-07 |
US20080317472A1 (en) | 2008-12-25 |
CN101317350B (zh) | 2012-07-04 |
US8131153B2 (en) | 2012-03-06 |
US20080279199A1 (en) | 2008-11-13 |
EP1955454A1 (en) | 2008-08-13 |
JP2009517962A (ja) | 2009-04-30 |
CN101317350A (zh) | 2008-12-03 |
EP1955454A4 (en) | 2010-05-05 |
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