JP2009523363A - 無線メッシュネットワークにおける、フィールドデバイスのメッセージ経路の視覚的マッピング - Google Patents
無線メッシュネットワークにおける、フィールドデバイスのメッセージ経路の視覚的マッピング Download PDFInfo
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Abstract
Description
本発明は、無線ネットワークに関する。具体的には、本発明は、ホストと、無線メッシュネットワークの各ノードにおけるフィールドデバイスとの間で、プロセス制御メッセージが通信される無線メッシュネットワークに関する。
複数のノードを有する無線メッシュネットワークの性能は、ノードの位置と、メッシュネットワークを介してメッセージをルーティングするのに用いられるノード間のリンクの位置とを図示する、ネットワークの視覚表示を用いて評価することが可能である。視覚表示は、ノードに関する位置情報と、ノードから収集されるネットワーク性能パラメータとに基づいている。
本発明は、無線メッシュネットワークにおいてメッセージがノード間を通過する際に、メッセージが利用する経路を図式的に視覚化する方法を提供する。一般的な制御システムでは、制御センターにあるホストコンピュータは、施設内に配置されたフィールドデバイスと通信し、フィールドデバイスが提供すべき情報を表示する。ホストコンピュータとフィールドデバイスとの間におけるメッセージの通信は、有線接続上または無線メッシュネットワーク上となり得る。低電力無線メッシュネットワークでは、デバイスメッセージは、ホストから目標のフィールドデバイスへと直接送られることはない。デバイスメッセージは、送信先に到達するまでに、無線メッシュネットワーク内で多数の経路を利用することが可能である。実際には、ネットワークがより望ましい方法で通信できるようにする必要がある場合に、物理ネットワークの接続形態(トポロジー)を調整できるように、無線メッシュネットワークを介してメッセージが利用する経路が分かることが望ましい。現在、調整を行ったり、または潜在的な問題を特定できるように、有資格者が、無線メッシュネットワークの動的性質を検査して、この種の情報を調べる方法はない。本発明は、フィールドデバイスのメッセージが送信先に到達する過程で無線メッシュネットワークを介して伝送される際に、フィールドデバイスのメッセージが利用する経路を表示する図式的方法である。ネットワークの各ノードがアイコンによって表示されている、無線ネットワークの視覚表示(すなわち視覚的ネットワークマップ)を、ユーザに提供することができる。アイコンを相互接続する線が引かれて、無線ノード間の通信リンクが表される。ノードから収集されたネットワーク性能データに基づいて、ネットワークを介した伝送路がリアルタイムで更新されていくという点で、図式的表示は本質的に動的なものになり得る。
Claims (20)
- 複数のノードを有する無線メッシュネットワークの性能を評価する方法であって、
該方法は、
前記ノードに関する位置情報を収集することと、
前記ノードからネットワーク性能データを収集することと、
前記位置情報および前記ネットワーク性能データに基づいて、前記ネットワークの視覚表示を生成することと
を備えていることを特徴とする方法。 - 請求項1に記載の方法であって、
前記視覚表示は、各ノードを表すアイコンを含み、
各アイコンは、前記位置情報に基づいて、前記視覚表示に位置付けられている
ことを特徴とする方法。 - 請求項2に記載の方法であって、
前記視覚表示は、前記ノード間の通信リンクを表す、アイコン同士を連結する線を含んでいる
ことを特徴とする方法。 - 請求項3に記載の方法であって、
前記通信リンクは、前記ネットワーク性能データに基づいている
ことを特徴とする方法。 - 請求項2に記載の方法であって、
前記視覚表示は、隣接するノードから受信した無線信号強度の表示を含んでいる
ことを特徴とする方法。 - 請求項1に記載の方法であって、
前記ネットワーク性能データは、リンク上における前記受信した無線信号強度、リンク上における消失メッセージ、およびリンク上におけるメッセージの数のうちの少なくとも1つを含んでいる
ことを特徴とする方法。 - 請求項1に記載の方法であって、
前記視覚表示は、前記ノードが配置されている領域の物理的な配置上にマッピングされている
ことを特徴とする方法。 - システムであって、
複数のノードを有する無線メッシュネットワークと、
前記ノードからネットワーク性能データを収集するためのゲートウェイと、
前記ネットワーク性能データおよびノード位置データを記憶するためのデータストレージと、
前記ネットワーク性能データおよび前記ノード位置データに基づいて、視覚的ネットワークマップを生成するためのアプリケーションプログラムを含んでいるホストコンピュータと、
前記視覚的ネットワークマップを表示するためのディスプレイと
を備えていることを特徴とするシステム。 - 請求項8に記載のシステムであって、
さらに、
各フィールドデバイスが前記複数のノードのうちの1つと関連付けられている、複数のフィールドデバイスを備えている
ことを特徴とするシステム。 - 請求項9に記載のシステムであって、
前記ホストコンピュータは、前記ゲートウェイおよび前記無線メッシュネットワークを介して、前記フィールドデバイスにメッセージを送信すると共に、前記フィールドデバイスからメッセージを受信する
ことを特徴とするシステム。 - 請求項8に記載のシステムであって、
前記アプリケーションプログラムは、前記視覚的ネットワークマップを動的に更新する
ことを特徴とするシステム。 - 請求項8に記載のシステムであって、
前記視覚的ネットワークマップは、前記ノード位置データに基づいて、ノードの位置を図示し、前記ネットワーク性能データに基づいて、前記ノード間の無線リンクを図示する
ことを特徴とするシステム。 - 請求項12に記載のシステムであって、
前記視覚的ネットワークマップは、少なくとも一部の前記ノードが収容されている施設の配置を含んでいる
ことを特徴とするシステム。 - 請求項12に記載のシステムであって、
前記視覚的ネットワークマップは、ノードとの無線リンク上に、受信した無線信号強度を図示する
ことを特徴とするシステム。 - 請求項8に記載のシステムであって、
前記ネットワーク性能データは、ノード間のリンク上における、受信信号強度、消失メッセージ、およびメッセージの数のうちの少なくとも1つを含んでいる
ことを特徴とするシステム。 - 複数のノードを有する無線メッシュネットワークの性能を評価する方法であって、
該方法は、
前記ノードからネットワーク性能データを収集することと、
前記ネットワーク性能データに基づいて、前記無線メッシュネットワークを介したメッセージの経路を示す視覚的ネットワークマップを表示することと
を備えていることを特徴とする方法。 - 請求項16に記載の方法であって、
前記視覚的ネットワークマップは、ノード位置データに基づいて、前記無線メッシュネットワークにおけるノードの位置を示す
ことを特徴とする方法。 - 請求項17に記載の方法であって、
前記視覚的ネットワークマップは、無線通信リンクを表す、ノード間の線を含み、
該線は、前記ネットワーク性能データから導き出されている
ことを特徴とする方法。 - 請求項16に記載の方法であって、
前記無線メッシュネットワークは、ゲートウェイを含み、
該ゲートウェイは、前記ノードから前記ネットワーク性能データを収集する
ことを特徴とする方法。 - 請求項16に記載の方法であって、
前記視覚的ネットワークマップは、少なくとも一部の前記ノードが配置されている施設の描写を含んでいる
ことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75816706P | 2006-01-11 | 2006-01-11 | |
US60/758,167 | 2006-01-11 | ||
PCT/US2007/000678 WO2007082011A2 (en) | 2006-01-11 | 2007-01-11 | Visual mapping of field device message routes in a wireless mesh network |
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JP2009523363A true JP2009523363A (ja) | 2009-06-18 |
JP5522942B2 JP5522942B2 (ja) | 2014-06-18 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008550394A Active JP5101523B2 (ja) | 2006-01-11 | 2007-01-11 | 低電力無線メッシュネットワークにおけるフィールドデバイスの選択的起動 |
JP2008550391A Active JP5405123B2 (ja) | 2006-01-11 | 2007-01-11 | 電力節約のための低電力無線ネットワークの制御 |
JP2008550395A Expired - Fee Related JP5302691B2 (ja) | 2006-01-11 | 2007-01-11 | メッセージシーケンス情報を格納している無線メッセージを用いる制御システム |
JP2008550393A Active JP4959720B2 (ja) | 2006-01-11 | 2007-01-11 | 無線ネットワークにおけるフィールドデバイスの予測応答時間を用いる制御システム |
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