JP2005520139A5 - - Google Patents

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Publication number
JP2005520139A5
JP2005520139A5 JP2003575520A JP2003575520A JP2005520139A5 JP 2005520139 A5 JP2005520139 A5 JP 2005520139A5 JP 2003575520 A JP2003575520 A JP 2003575520A JP 2003575520 A JP2003575520 A JP 2003575520A JP 2005520139 A5 JP2005520139 A5 JP 2005520139A5
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JP
Japan
Prior art keywords
time
local device
remote device
distance measurement
measurement packet
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Pending
Application number
JP2003575520A
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English (en)
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JP2005520139A (ja
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Priority claimed from PCT/US2003/007104 external-priority patent/WO2003077432A2/en
Publication of JP2005520139A publication Critical patent/JP2005520139A/ja
Publication of JP2005520139A5 publication Critical patent/JP2005520139A5/ja
Pending legal-status Critical Current

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Claims (2)

  1. 無線ネットワークの信号経路の伝搬時間を求める方法であって、
    第1距離測定パケットをローカル装置からリモート装置に第1の時間に送信すること
    2距離測定パケットを前記ローカル装置で、前記第の時間に前記ローカル装置と前記リモート装置との間の伝搬時間の2倍を加え、さらに、前記リモート装置での第1の保持時間を加えた時間に等しい第の時間に受信すること、
    第3距離測定パケットを前記ローカル装置から前記リモート装置に第の時間に送信すること
    4距離測定パケットを前記ローカル装置で、前記第の時間に前記伝搬時間の2倍を加え、さらに、前記リモート装置での前記第1の保持時間とは異なる第2の保持時間を加えた時間に等しい第の時間に受信すること、
    前記ローカル装置で前記伝搬時間を前記第1の時間、第の時間、第の時間、第の時間、及び前記第1の保持時間と前記第2の保持時間との比の関数として計算することを備える、方法。
  2. 無線ネットワークの信号経路の伝搬時間を求める方法であって、
    第1の時間にローカル装置から送信された第1の距離パケットを、リモート装置で、前記第1の時間に伝搬時間を加えた時間に等しい第2の時間に受信すること、
    第2距離測定パケットを前記リモート装置から前記ローカル装置に、前記第2の時間に第1の保持時間を加えた時間に等しい第3の時間に送信すること、
    第5の時間に前記ローカル装置から送信された第3距離測定パケットを、前記リモート装置で、前記第5の時間に前記伝搬時間を加えた時間に等しい第6の時間に受信すること、
    第4距離測定パケットを前記リモート装置から前記ローカル装置に、前記第6の時間に前記第1の保持時間とは異なる第2の保持時間を加えた時間に等しい第7の時間に送信することを備える、方法。
JP2003575520A 2002-03-08 2003-03-07 超広帯域システムにおいて距離測定機能を実行する方法及びシステム Pending JP2005520139A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36239202P 2002-03-08 2002-03-08
PCT/US2003/007104 WO2003077432A2 (en) 2002-03-08 2003-03-07 Method for performing ranging functions in an uwb system

Publications (2)

Publication Number Publication Date
JP2005520139A JP2005520139A (ja) 2005-07-07
JP2005520139A5 true JP2005520139A5 (ja) 2006-04-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003575520A Pending JP2005520139A (ja) 2002-03-08 2003-03-07 超広帯域システムにおいて距離測定機能を実行する方法及びシステム

Country Status (5)

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US (2) US7042868B2 (ja)
EP (1) EP1488559A2 (ja)
JP (1) JP2005520139A (ja)
AU (1) AU2003220098A1 (ja)
WO (1) WO2003077432A2 (ja)

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