JP2005527139A5 - - Google Patents

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JP2005527139A5
JP2005527139A5 JP2003577479A JP2003577479A JP2005527139A5 JP 2005527139 A5 JP2005527139 A5 JP 2005527139A5 JP 2003577479 A JP2003577479 A JP 2003577479A JP 2003577479 A JP2003577479 A JP 2003577479A JP 2005527139 A5 JP2005527139 A5 JP 2005527139A5
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JP4308022B2 (ja
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Claims (18)

  1. 無線アドホック通信ネットワーク内で、発信元と宛先ノード間のリンク上を送信されるデータの電力レベルと速度の少なくとも1つを決定するための方法であって、
    前記宛先ノードで受信されるように前記発信元ノードから送信された少なくとも2つのメッセージの特性に属し、前記宛先ノードから前記発信元ノードに提供される情報に基づいて、前記リンク内の経路損失を時間の関数として予測し、
    前記宛先ノードでの雑音を表す雑音係数を決定し、
    前記データが前記リンク上を前記発信元ノードから前記宛先ノードへ送信される前記電力レベルと速度の少なくとも1つを、前記経路損失と前記雑音係数に基づいて計算し、
    前記計算は、前記電力レベルと速度の少なくとも1つを、前記予測される経路損失、前記雑音係数、前記メッセージにより経験される短期間フェージング、及び前記宛先ノードの受信機感度に基づいて計算することを含む、
    前記方法。
  2. 請求項1記載の方法において、
    前記計算が、前記経路損失と前記雑音係数に基づく前記電力レベルを計算し、前記計算された電力レベルに基づく前記速度を決定することを含む、前記方法。
  3. 請求項1記載の方法において、
    前記雑音係数の決定が、前記宛先ノードから前記発信元ノードに、前記発信元ノードから送信される各々の複数の前記メッセージに応じて提供されるそれぞれのメッセージ情報に基づく前記雑音係数を動的に決定する、前記方法。
  4. 請求項3記載の方法において、前記雑音係数決定が、
    前記雑音係数を実現するような前記複数のメッセージのために、前記それぞれのメッセージ情報に基づく推定雑音係数を増加または減少させることを含む、前記方法。
  5. 請求項1記載の方法が更に、
    前記宛先ノードの前記受信機で受信される前記メッセージにおける強度の標準偏差に基づく前記短期間フェージングを計算することを含む、前記方法。
  6. 請求項1記載の方法が更に、
    特定のデータ速度で前記メッセージの情報1ビットを送信するために前記発信元ノードにおいて使用されるエネルギーに基づく前記受信機感度を計算することを含む、前記方法。
  7. 請求項1記載の方法において、
    前記雑音係数の決定が、前記宛先ノードの受信機が受信する前記メッセージの正確性レベルに基づく前記雑音係数を決定する、前記方法。
  8. 請求項1記載の方法が更に、
    前記計算された電力と前記速度に基づく、前記メッセージが前記発信元ノードから前記宛先ノードへ送信されるリンク品質を計算することを含む、前記方法。
  9. 請求項1記載の方法において、
    前記計算が、前記発信元ノードにおいて前記メッセージの1ビットの情報を送信するために送信機で使用されるエネルギー量に基づく前記データ速度を計算する、前記方法。
  10. コンピュータでの作動時において、請求項1の方法のステップを実行するように適合されている指令を含むコンピュータ読み取り可能媒体。
  11. 無線アドホック通信ネットワーク内で、発信元と宛先ノード間のリンク上を送信されるデータの電力レベルと速度の少なくとも1つを決定するための方法であって、
    前記宛先ノードで受信されるように前記発信元ノードから送信されたメッセージの特性に属し、前記宛先ノードから前記発信元ノードに提供される情報に基づいて、前記リンク内の経路損失を計算し、
    前記宛先ノードでの雑音を表す雑音係数を決定し、
    前記データが前記リンク上を前記発信元ノードから前記宛先ノードへ送信される前記電力レベルと速度の少なくとも1つを、前記経路損失、前記雑音係数、前記メッセージにより経験される短期間フェージング、及び前記宛先ノードの受信機感度に基づいて計算する、
    前記方法
  12. 請求項11記載の方法が更に、
    前記宛先ノードの前記受信機で受信される前記メッセージにおける強度の標準偏差に基づく前記短期間フェーディングを計算することを含む、前記方法。
  13. 請求項11記載の方法が更に、
    特定のデータ速度で前記メッセージの情報1ビットを送信するために前記発信元ノードにおいて使用されるエネルギーに基づく前記受信機感度を計算することを含む、前記方法。
  14. コンピュータでの作動時において、請求項11の方法のステップを実行するよう適合されている指令を含むコンピュータ読み取り可能媒体。
  15. 請求項1記載の方法において、前記予測ステップが、前記情報のより古いものをより新しいものに対して、より重要でないと取り扱う忘却係数を備える方法。
  16. 請求項15記載の方法において、前記予測ステップは、各対応メッセージの特性を表す前記各対応情報に対して、前記忘却係数の対応する値を適用して、前記情報に前記パス損失を予測した重みをつける方法。
  17. 請求項16記載の方法において、前記忘却係数の対応する値が、0と1の間の値を有する方法。
  18. 請求項1記載の方法において、前記リンク上に前記データを送信するためのエネルギー量が最小になるよう、送信電力レベルとデータ速度を計算する方法。
JP2003577479A 2002-03-15 2003-03-12 アドホック通信ネットワーク内の送信電力およびデータ速度の適応制御を提供するためのシステム並びに方法 Expired - Lifetime JP4308022B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/087,016 US6904021B2 (en) 2002-03-15 2002-03-15 System and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network
PCT/US2003/007516 WO2003079611A1 (en) 2002-03-15 2003-03-12 A system and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network

Publications (3)

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JP2005527139A JP2005527139A (ja) 2005-09-08
JP2005527139A5 true JP2005527139A5 (ja) 2008-03-27
JP4308022B2 JP4308022B2 (ja) 2009-08-05

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US (1) US6904021B2 (ja)
EP (1) EP1486032B1 (ja)
JP (1) JP4308022B2 (ja)
KR (1) KR100968079B1 (ja)
AT (1) ATE465574T1 (ja)
AU (1) AU2003216556A1 (ja)
CA (1) CA2479014A1 (ja)
DE (1) DE60332217D1 (ja)
WO (1) WO2003079611A1 (ja)

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