JP2005526416A - エネルギ認識ネットワーク管理 - Google Patents
エネルギ認識ネットワーク管理 Download PDFInfo
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- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
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- H—ELECTRICITY
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/46—Cluster building
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
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- H—ELECTRICITY
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- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
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- H—ELECTRICITY
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- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
- H04W40/10—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
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- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/28—Connectivity information management, e.g. connectivity discovery or connectivity update for reactive routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/32—Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/34—Modification of an existing route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Description
無人式センサのネットワーク構成は、セキュリティ管理や災害管理など多くの軍事用途や民生用途に関する効率に大きな影響を及ぼすことが予測される。これらのシステムは、関心領域内におけるイベントを監視するために複数のセンサから収集したデータを処理する。こうしたシステム内のセンサは、典型的には、使い捨て式であり、そのエネルギが消耗するまで寿命が続くことが期待される。したがって、こうしたセンサシステムではエネルギは極めて稀少な資源であり、そのセンサの寿命をある具体的な利用目的の持続時間に及ばせるために賢明な管理をしなければならない。
2.センサのバッテリのエネルギレベル:任意のアクティブセンサのバッテリレベルがあるレベルまで低下した場合に、ゲートウェイは再経路指定を実行することがある。
本発明の精神や範囲を逸脱することなく代替的な実施形態を考案することができる。たとえば、個々のセンサやゲートウェイは、静止型ではなく可搬型とすることができる。
11 コマンドノードまたはプロセッサ
15 ゲートウェイノード(第1のセンサクラスタ)
20 第2のセンサクラスタ
25 ゲートウェイノード(第2のセンサクラスタ)
30 第3のセンサクラスタ
35 ゲートウェイノード(第3のセンサクラスタ)
41 方法ステップ−センサ展開
42 方法ステップ−各センサの地理的位置を決定
43 方法ステップ−エネルギ消費を最小にするためセンサをクラスタ化
44 方法ステップ−データ経路を形成
45 方法ステップ−各センサに対し利用可能エネルギをモデル化(ゲートウェイで)
46 方法ステップ−環境を検出し且つデータを中継
47 方法ステップ−データ経路を調整
100 ワイヤレスセンサ
101 受信機(センサの一部)
102 送信機(センサの一部)
103 処理回路(センサの一部)
104 検知回路(センサの一部)
105 クロック(センサの一部)
Claims (5)
- 各センサが、環境パラメータを検出し、デジタルデータを受信し、デジタルデータを送信し、および別のセンサから受信したデジタルデータを中継することが可能であるワイヤレスセンサ(100)のノードを含むネットワークを構築および管理する方法であって、
(a)前記センサを所定の地理的エリアにわたって展開するステップ(ステップ41)と、
(b)各センサの前記地理的位置を決定するステップ(ステップ42)と、
(c)前記センサを複数のグループにクラスタ化するステップ(ステップ43)と、該各グループはさらに、前記グループにおける各センサからのデータを制御ノード(11)まで中継する責任があるゲートウェイを含み、
(d)各ゲートウェイにある広域クラスタ経路指定テーブルと前記センサにあるより小さいローカル転送テーブルとを用いて、エネルギ消費を最小にするためにネットワークデータ経路を設定するステップ(ステップ44)と、
前記経路指定テーブルおよび転送テーブルは、
(i)前記ゲートウェイのうち特定の1つから直接、または前記センサのうち特定の複数の別のセンサからの中継を介して前記ゲートウェイのうち1つを用いて間接的に、各センサがデータを送信および通信するか否か、そして
(ii)各センサがいつデータを送信および受信するか
を決定し、
(e)数式を用いて各センサにおいて利用可能なエネルギをモデル化するステップ(ステップ45)と、
前記数式は、各種機能を前記センサが実行している時間量と各機能により消費されるエネルギ量とを考慮し、前記各種機能は、
(i)環境パラメータの検出と、
(ii)デジタルデータの受信と、
(iii)デジタルデータの送信と、
を含み、
(f)環境パラメータを検出し、データを制御ノードまで中継するステップ(ステップ46)と、
(g)各センサにおいて利用可能なエネルギ量の変化を補償するように前記ネットワークデータ経路を再設定するステップ(ステップ47)と
を含む方法。 - ネットワークを経路指定する前記ステップ(ステップ44)は、ネットワークに対する全体コスト関数を最小化し、前記全体コスト関数はさらに、
(a)通信コスト因子(CF1)、
(b)より多くのエネルギを有するネットワークノード、またはより少ないエネルギを有するネットワークノードを好む残存エネルギ利用可能コスト因子(CF2)、
(c)中継ノードとして検知可能ノードの使用を好まない検知可能コスト因子(CF3)であるエネルギ消費率コスト因子(CF3)、
(d)現在非アクティブのノードの使用よりも現在有効になっているノードの使用を好み、検知可能ノードの中継ノードとしての使用を好まない可能コスト因子(CF4)、
(e)所定の最大値を超える通信パスの追加を回避する経路指定コスト因子(CF5)
の各コスト因子を含んでいる、請求項1に記載の方法。 - ネットワークを再経路指定する前記ステップ(ステップ47)は、
(a)アクティブセンサの再選択を要求するイベントが発生したときのセンサ再編成、
(b)センサのバッテリレベルの変化、
(c)センサにおけるエネルギをモデル化する前記数式に対する調整、
の3つの基準に基づいている、請求項1に記載の方法。 - 各センサは、環境パラメータを検出し、デジタルデータを受信し、デジタルデータを送信し、および別のセンサから受信したデジタルデータを中継することが可能であるワイヤレスセンサ(100)のノードを含むネットワークを管理する方法であって、
(a)ネットワークの相互接続性を詳述するテーブルを作成することによって、エネルギ消費を最小化するためにネットワークデータ経路を設定するステップ(ステップ44)と、
前記相互接続性は各種センサの各々に対し、
(i)ゲートウェイノードのうち特定の1つから直接、または前記センサのうち特定の複数の別のセンサからの中継を介して前記ゲートウェイノードのうち1つを用いて間接的に、前記センサがデータを送信および受信するか否か、そして、
(ii)前記センサがいつデータを送信および受信するか、
を定義し、
(b)数式を用いて各センサにおいて利用可能なエネルギをモデル化するステップ(ステップ45)と、前記数式は、各種機能を前記センサが実行している時間量と各機能により消費されるエネルギ量とを考慮し、前記各数式は
(i)環境パラメータの検出と、
(ii)デジタルデータの受信と、
(iii)デジタルデータの送信と、
を含み、
(c)環境パラメータを検出し、データを制御ノードまで中継するステップ(ステップ46)と、
(d)各センサにおいて利用可能なエネルギ量の変化を補償するように前記ネットワークデータ経路を再設定するステップ(ステップ47)と、
を含む方法。 - (a)各センサが環境パラメータを検出することができ、複数のクラスタの形に配列されている複数のセンサと、
(b)前記クラスタの各々に関連付けられ、当該クラスタ内のセンサからセンサデータを受信するゲートウェイであって、当該クラスタ内のセンサの相互接続性を詳述し、当該センサの各々に利用可能なエネルギをモデル化し、前記センサにおいて利用可能なエネルギ量の変化に従って当該センサの接続を変化させるために当該センサに制御信号を送信するテーブルを含む、該ゲートウェイと、
(c)各ゲートウェイからセンサデータを受信するための制御プロセッサと、
を備えるセンサのネットワークを管理するためのシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US30994901P | 2001-08-03 | 2001-08-03 | |
US10/208,666 US7277414B2 (en) | 2001-08-03 | 2002-07-30 | Energy aware network management |
PCT/US2002/024547 WO2003015452A2 (en) | 2001-08-03 | 2002-08-01 | Energy aware network management |
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JP2005526416A true JP2005526416A (ja) | 2005-09-02 |
JP2005526416A5 JP2005526416A5 (ja) | 2006-01-05 |
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JP2003520227A Pending JP2005526416A (ja) | 2001-08-03 | 2002-08-01 | エネルギ認識ネットワーク管理 |
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Country | Link |
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US (1) | US7277414B2 (ja) |
EP (1) | EP1415288A2 (ja) |
JP (1) | JP2005526416A (ja) |
CN (1) | CN1561509A (ja) |
AU (1) | AU2002326501A1 (ja) |
IL (1) | IL160197A0 (ja) |
WO (1) | WO2003015452A2 (ja) |
Cited By (14)
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JP2005295310A (ja) * | 2004-04-01 | 2005-10-20 | Fuji Electric Holdings Co Ltd | 無線通信方法、無線通信システム、無線端末、プログラム、記録媒体 |
JP2006237854A (ja) * | 2005-02-23 | 2006-09-07 | Nec Corp | ネットワーク再構成方法、プログラム、情報記録媒体、ノード、基地局、マルチホップネットワークシステム |
JP2007013834A (ja) * | 2005-07-04 | 2007-01-18 | Fuji Electric Holdings Co Ltd | 無線通信ネットワークシステム、無線端末および通信経路決定方法 |
JP2007535203A (ja) * | 2003-07-17 | 2007-11-29 | センシキャスト・システムズ・インコーポレーテッド | メッシュ・ネットワークにおけるワイヤレス通信方法および装置 |
JP2010514283A (ja) * | 2006-12-22 | 2010-04-30 | インテル・コーポレーション | ネットワーク送信をサービスするポータルの選択方法 |
JP2010148088A (ja) * | 2008-12-18 | 2010-07-01 | Korea Electronics Telecommun | 無線メッシュネットワークにおける電力資源の使用方法 |
KR101214300B1 (ko) * | 2006-06-30 | 2012-12-20 | 주식회사 케이티 | 무선센서 네트워크에 의한 산사태 감지 모니터링 시스템 |
JP2013109431A (ja) * | 2011-11-18 | 2013-06-06 | Railway Technical Research Institute | 対象構造物の状態監視のための無線センサネットワークの設置及び運用費用評価方法 |
JP2014216796A (ja) * | 2013-04-24 | 2014-11-17 | 株式会社東芝 | 無線通信装置および方法、ならびにプログラム |
JP2015537396A (ja) * | 2012-08-17 | 2015-12-24 | イリノイ トゥール ワークス インコーポレイティド | 過酷な環境における産業機器の制御のための無線通信ネットワーク電力最適化 |
JP2017511630A (ja) * | 2014-02-21 | 2017-04-20 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | メッセージボックスを選択するための方法およびノード |
JP2017139821A (ja) * | 2017-05-19 | 2017-08-10 | 株式会社東芝 | 無線通信装置および方法、ならびにプログラム |
JP2017526278A (ja) * | 2014-08-18 | 2017-09-07 | クアルコム,インコーポレイテッド | 複数デバイスのセンササブシステム合同最適化 |
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TWI295530B (en) * | 2002-06-28 | 2008-04-01 | Canon Kk | Wireless communication apparatus and method |
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- 2002-08-01 IL IL16019702A patent/IL160197A0/xx unknown
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US20030063585A1 (en) | 2003-04-03 |
AU2002326501A1 (en) | 2003-02-24 |
WO2003015452A2 (en) | 2003-02-20 |
IL160197A0 (en) | 2004-07-25 |
EP1415288A2 (en) | 2004-05-06 |
CN1561509A (zh) | 2005-01-05 |
WO2003015452A3 (en) | 2003-05-30 |
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