JP5646465B2 - 衛星システムを用いたインターネットホットスポットの位置決め - Google Patents
衛星システムを用いたインターネットホットスポットの位置決め Download PDFInfo
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- JP5646465B2 JP5646465B2 JP2011511691A JP2011511691A JP5646465B2 JP 5646465 B2 JP5646465 B2 JP 5646465B2 JP 2011511691 A JP2011511691 A JP 2011511691A JP 2011511691 A JP2011511691 A JP 2011511691A JP 5646465 B2 JP5646465 B2 JP 5646465B2
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- 229910052741 iridium Inorganic materials 0.000 claims description 36
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/12—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are telecommunication base stations
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Navigation (AREA)
Description
時間=開始時刻午前12:00+(N−1)*46.08秒+(n−1)*0.18秒+時間バイアス+レンジ/C(光速)
ドップラー=距離レート÷C×伝送の規定周波数
Claims (22)
- 位置情報取得を実行する受信装置であって、
衛星から、周期的に反復するコードを含む精密時間信号を受信し、少なくとも一つの無線ネットワークステーションから、追加的な補助情報を受信するアンテナ、
プロセッサ、及び
コンピュータで読み取り可能な複数の指令を記憶するメモリであって、前記複数の指令が前記プロセッサによって実行されると、受信装置が、
前記精密時間信号と前記補助情報とを使用して正確な絶対時間を求め、
受信装置に関連する、絶対時間による位置決め情報を求め、
前記位置決め情報を使用して前記少なくとも一つの無線ネットワークステーションの位置情報を測量し、且つ
前記位置決め情報と前記位置情報とを使用して受信装置の絶対位置を決定するメモリ
を備える受信装置。 - 前記無線ネットワークステーションが、WiFiネットワーク、携帯電話ネットワーク、又はインターネットネットワークの一部である、請求項1に記載の受信装置。
- 前記衛星が低地球軌道(LEO)衛星である、請求項1に記載の受信装置。
- 前記衛星がイリジウム衛星又はグローバルスター衛星である、請求項3に記載の受信装置。
- 前記補助情報が、前記衛星に関連する軌道情報、受信装置の凡その位置、又は凡その時間情報を含む、請求項1に記載の受信装置。
- 前記衛星が第1の衛星であり、受信装置は、減衰した環境又は妨害を受ける環境において、第2の衛星からの位置決め信号を使用して位置情報取得を実行する、請求項1に記載の受信装置。
- 前記第2の衛星が汎地球測位システム(GPS)衛星である、請求項6に記載の受信装置。
- 前記コードが粗タイミングコードと擬似ランダムコードとの間で交互に切り換わる、請求項1に記載の受信装置。
- 前記受信装置が、携帯電話、iGPSレシーバ、ハンドヘルドナビゲーションデバイス、車載式ナビゲーションデバイス、又は航空機搭載式ナビゲーションデバイスである、請求項1に記載の受信装置。
- 前記プロセッサによって、更に、
前記衛星から前記精密時間信号を受信し、且つ
前記少なくとも一つの無線ネットワークステーションから前記補助情報を受信する、
請求項1に記載の受信装置。 - 前記プロセッサが、受信装置に関連する位置決め情報を求めるように構成されており、
前記正確な絶対時間を使用して受信装置のシステム相関器を整列させることにより、受信装置に関連する絶対時間による位置決め情報を求め、
時間をかけて複数の衛星のレンジングコードを測定し、
前記レンジングコードと前記補助情報とを組み合わせ、且つ
絶対時間による位置決め情報を算出する
プロセッサを含むものである、請求項10に記載の受信装置。 - 前記プロセッサが、
前記位置決め情報を使用して前記少なくとも一つの無線ネットワークステーションの位置情報を測量し、且つ
無線ネットワークステーションのレンジングコード上で伝送される位置情報を受信する
プロセッサを含むものである、請求項11に記載の受信装置。 - 位置情報取得を実行する方法であって、
衛星から精密タイミング信号を受信すること、
少なくとも一つの無線ネットワークステーションから補助情報を受信すること、
前記精密タイミング信号と前記補助情報とを使用して正確な絶対時間を求めること、
前記正確な絶対時間を使用して受信装置のシステム相関器を整列させることにより、受信装置に関連する絶対時間による位置決め情報を求めること、
前記位置決め情報を使用して、前記無線ネットワークステーションの位置情報を測量すること、
前記無線ネットワークステーションから前記位置情報を受信すること、及び
前記位置決め情報と前記位置情報とを使用して絶対位置の取得を実行すること
を含む方法。 - 前記位置決め情報を前記無線ネットワークステーションに報告すること
を更に含む、請求項13に記載の方法。 - 前記衛星が低地球軌道(LEO)衛星である、請求項13に記載の方法。
- 前記衛星がイリジウム衛星又はグローバルスター衛星である、請求項15に記載の方法。
- 前記整列させることが、汎地球測位システム(GPS)衛星から信号を受信すると実行される、請求項13に記載の方法。
- 前記補助情報が、前記衛星に関連する軌道情報、受信装置の凡その位置、又は凡その時間情報を含む、請求項13に記載の方法。
- 前記無線ネットワークステーションが、WiFiネットワーク、携帯電話ネットワーク、又はインターネットネットワークの一部である、請求項13に記載の方法。
- 前記受信装置が、携帯電話、iGPSレシーバ、ハンドヘルドナビゲーションデバイス、車載式ナビゲーションデバイス、又は航空機搭載式ナビゲーションデバイスである、請求項13に記載の方法。
- 時間をかけて複数の衛星のレンジングコードを測定すること、
前記レンジングコードと前記補助情報とを組み合わせること、及び
位置決め情報を算出すること
を更に含む、請求項13に記載の方法。 - 前記無線ネットワークステーションの位置情報を受信することが、無線ネットワークステーションのレンジングコード上で伝送される位置情報を受信することを含む、請求項21に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/130,880 US7952518B2 (en) | 2008-05-30 | 2008-05-30 | Internet hotspots localization using satellite systems |
US12/130,880 | 2008-05-30 | ||
PCT/US2009/043463 WO2009148767A1 (en) | 2008-05-30 | 2009-05-11 | Internet hotspots localization using satellite systems |
Publications (2)
Publication Number | Publication Date |
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JP2011523709A JP2011523709A (ja) | 2011-08-18 |
JP5646465B2 true JP5646465B2 (ja) | 2014-12-24 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011511691A Active JP5646465B2 (ja) | 2008-05-30 | 2009-05-11 | 衛星システムを用いたインターネットホットスポットの位置決め |
Country Status (7)
Country | Link |
---|---|
US (1) | US7952518B2 (ja) |
EP (1) | EP2288927A1 (ja) |
JP (1) | JP5646465B2 (ja) |
CN (2) | CN102047136B (ja) |
AU (1) | AU2009255492B2 (ja) |
CA (1) | CA2716293C (ja) |
WO (1) | WO2009148767A1 (ja) |
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CN102047136A (zh) | 2011-05-04 |
EP2288927A1 (en) | 2011-03-02 |
CN102047136B (zh) | 2015-01-14 |
US7952518B2 (en) | 2011-05-31 |
CN104076371B (zh) | 2017-08-15 |
CA2716293A1 (en) | 2009-12-10 |
CN104076371A (zh) | 2014-10-01 |
JP2011523709A (ja) | 2011-08-18 |
AU2009255492A1 (en) | 2009-12-10 |
US20090315769A1 (en) | 2009-12-24 |
WO2009148767A1 (en) | 2009-12-10 |
AU2009255492B2 (en) | 2015-04-02 |
CA2716293C (en) | 2014-07-15 |
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