JP5079071B2 - 電力線を通してのデータ通信のためのシステム - Google Patents
電力線を通してのデータ通信のためのシステム Download PDFInfo
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- JP5079071B2 JP5079071B2 JP2010259389A JP2010259389A JP5079071B2 JP 5079071 B2 JP5079071 B2 JP 5079071B2 JP 2010259389 A JP2010259389 A JP 2010259389A JP 2010259389 A JP2010259389 A JP 2010259389A JP 5079071 B2 JP5079071 B2 JP 5079071B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
・対応する電磁放射線放出の結果として、最も遠いスレーブ・モデムに到達するためには、高い伝送レベルが必要であること、
・スレーブ・モデムの伝送の許容をコントロールするために、複合的なランダム・アクセス計画が必要であること、
・マスタ・ステーションが故障の単一のポイントを表示すること、および
・もしもいくつかの電力線マスタ−スレーブ・システムが同時に使用されれば、進行中の同時の電力線通信の間における干渉を避けるために、異なるマスタ・ステーション間の時間同期化が必要であること。
Claims (4)
- 所定のデータ伝送チャンネル帯域幅を有する電力ネットワークを通じて送受信するための複数の通信装置を備えるデータ通信のためのシステムにおいて、
前記チャンネルの帯域幅は、複数の異なる帯域幅のサブチャネルに分割されることによって、通信装置は、サブチャンネルの1つを介してデータを非同期に伝送するために配置されているいずれかの送受信機システム(10)を備え、前記サブチャンネル上の通信は、非同期しており、かつ、ピアツーピアであり、かつ、
いずれの送受信機(10)は、センダ(11)とレシーバ(13)とを備え、
前記サブチャンネルにおけるデータ伝送アクティビティを検出し、データを伝送するためにデータ伝送アクティビティがないサブチャンネルを選択することによって、前記送受信機は、同時に、かつ、異なるサブチャンネルで、データを送受信可能であることを特徴とするシステム。 - 前記データは、離散的コサイン変調フィルタ・バンクで、又は、ウエーブレット・パケット・フィルタ・バンクを用いて変調されることを特徴とする請求項1に記載のシステム。
- いずれのレシーバも、レシーバから認識され、かつ、前記対応するセンダによって伝送されるトレーニング・シーケンスを用いて、対応するセンダと同期化するステップを備える請求項1に記載のシステム。
- いずれのパラレル・ピアツーピア通信チャネルを介するデータ通信は、対応するピアツーピア通信チャネルの間で信号減衰する異なる送信電力でなされることを特徴とする請求項1に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP03100939 | 2003-04-08 | ||
EP03100939.2 | 2003-04-08 |
Related Parent Applications (1)
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JP2006505538A Division JP4686445B2 (ja) | 2003-04-08 | 2004-04-07 | データ通信のための方法 |
Publications (2)
Publication Number | Publication Date |
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JP2011066929A JP2011066929A (ja) | 2011-03-31 |
JP5079071B2 true JP5079071B2 (ja) | 2012-11-21 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006505538A Expired - Fee Related JP4686445B2 (ja) | 2003-04-08 | 2004-04-07 | データ通信のための方法 |
JP2010259389A Expired - Fee Related JP5079071B2 (ja) | 2003-04-08 | 2010-11-19 | 電力線を通してのデータ通信のためのシステム |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006505538A Expired - Fee Related JP4686445B2 (ja) | 2003-04-08 | 2004-04-07 | データ通信のための方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7986711B2 (ja) |
EP (1) | EP1656745B1 (ja) |
JP (2) | JP4686445B2 (ja) |
CN (1) | CN1799207B (ja) |
CA (1) | CA2562395C (ja) |
HK (1) | HK1092609A1 (ja) |
WO (1) | WO2004091113A1 (ja) |
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EP1656745B1 (en) | 2016-04-06 |
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