JP2005526225A - 補正情報を転送する装置、方法、およびシステム - Google Patents
補正情報を転送する装置、方法、およびシステム Download PDFInfo
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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
- G01S19/07—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
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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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/40—Correcting position, velocity or attitude
-
- 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
- G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
-
- 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
- G01S19/27—Acquisition or tracking or demodulation of signals transmitted by the system creating, predicting or correcting ephemeris or almanac data within the receiver
Abstract
Description
タスクT220では、基準位置の組の妥当性の時間tgを選択して、計算する。この時間は、将来における伝送および処理の遅延を十分に見込んだものである。タスクT230では、tgに対する基準位置の組を計算する。タスクT240では、組内の基準位置を比較して、潜在的な曖昧さが存在するかどうかを判断する。例えば、位置の全ての可能な対を試験して、2つの位置が、(例えば、距離または角度の)所定の閾値ほど近くないことを保証する。その代りに、位置を順序付けるときは、隣り合う位置のみを試験することによって、比較のタスクを低減する。図11は、(別途記載されるように)このやり方でタスクT240を実行するための例示的な構造を示している。
上述の潜在的な曖昧さは、仰角のマスクに関しても生じる。一度に見ることのできるGPSシステムのSVはほんの少数であり、仰角のマスクは、何れのSVが可視であるかを示すのに使用される。仰角マスクの角度を、例えば、5°に設定すると、仰角が5°未満の衛星は、‘不可視’であるとみなされる。上述のPDEおよび移動体による仰角の判断において起こりうる差のために、マスクに近い仰角をもつSVは、一方のエンティティには‘可視’であるが、他方には‘不可視’であると考えられる。したがって、2つのエンティティは、補正係数と基準位置とに異なる対応を与える。
Claims (25)
- 各補正係数が物理的物体の組の中の少なくとも1つの対応するものの位置に関係している、複数の補正係数を計算することと、
前記複数の補正係数を所定の順序で伝送することとを含む方法であって、
前記複数の補正係数の各々と、物理的物体の組の中の少なくとも1つとの前記対応が、前記所定の順序によって少なくとも部分的に示される方法。 - 前記複数の補正係数の中の少なくとも1つが、位置の判断に対する補正に関係している請求項1記載の方法。
- 前記複数の補正係数の中の少なくとも1つが、所定の将来の時間における位置の判断に対する補正に関係している請求項1記載の方法。
- 前記所定の順序が、物理的物体の相対的な配置に関係している請求項1記載の方法。
- 前記相対的な配置が、将来の時間において有効である請求項4記載の方法。
- 前記相対的な配置が、物理的物体の仰角に関係している請求項4記載の方法。
- 前記所定の順序が、物理的物体の仰角の相対的な順序によって、少なくとも部分的に判断される請求項1記載の方法。
- 前記複数の補正係数の中の少なくとも1つが、物理的物体の組の中の少なくとも1つから受信される信号に部分的に基づいている請求項1記載の方法。
- 物理的物体の組の中の少なくとも1つが、宇宙飛行体である請求項1記載の方法。
- 物理的物体の組の中の各々が宇宙飛行体であって、各宇宙飛行体がグローバルポジショニングシステムに関係する識別番号を有し、
前記所定の順序が、宇宙飛行体の識別番号の相対的な順序によって少なくとも部分的に判断される請求項1記載の方法。 - 前記方法が、前記複数の補正係数の妥当性の時間に関係する情報を伝送することをさらに含む請求項1記載の方法。
- 複数の補正係数の前記計算が、
物理的物体の組の中の各々の基準位置を計算することと、
物理的物体の組の中の各々の補助位置を計算することとを含み、
前記補正係数の中の各々が、前記対応する基準位置と補助位置との差に少なくとも部分的に基づいている請求項1記載の方法。 - 前記方法が、前記基準位置の中の少なくとも2つの間の潜在的な曖昧さの存在を判断することをさらに含む請求項12記載の方法。
- 前記潜在的な曖昧さが、物理的物体の組の中の少なくとも2つの仰角の関係に関係している請求項13記載の方法。
- 前記潜在的な曖昧さが、仰角のマスク角と、物理的物体の組の中の少なくとも1つの仰角との関係に関係している請求項13記載の方法。
- 前記基準位置の中の各々が、アルマナック情報の少なくとも一部分に基づいていて、
前記補助位置の中の各々が、イフェメリス情報の少なくとも一部分に基づいている請求項12記載の方法。 - 前記アルマナック情報が、前記宇宙飛行体の少なくとも1つから受信される請求項16記載の方法。
- データ記憶媒体を含む装置であって、前記データ記憶媒体は、機械読み出し可能な符号を記憶しており、機械読み出し可能な符号は、論理素子の配列によって実行可能な命令を含み、命令が、
各補正係数が物理的物体の組の中の少なくとも1つの対応するものの位置に関係している、複数の補正係数を計算することと、
前記複数の補正係数を所定の順序で伝送することとを含む方法を定めていて、
前記複数の補正係数中の各々と、物理的物体の組の中の少なくとも1つとの前記対応が、前記所定の順序によって少なくとも部分的に示される装置。 - 複数の補正係数の前記計算が、
物理的物体の組の中の各々の基準位置を計算することと、
物理的物体の組の中の各々の補助位置を計算することと、
前記補正係数の中の各々が、前記対応する基準位置と補助位置との差に少なくとも部分的に基づいている請求項18記載の装置。 - 複数の物理的物体の中の各々の基準位置を計算するように構成および配置されている基準位置計算器と、
複数の物理的物体の中の各々の補助位置を計算するように構成および配置されている補助位置計算器と、
前記基準位置と前記補助位置とを受信して、かつ複数の補正係数を所定の順序で出力するように構成および配置されている補正係数計算器とを含む装置であって、
各補正係数が、複数の物理的物体の中の少なくとも1つの対応するものの位置に関係していて、
前記複数の補正係数の中の各々と、複数の物理的物体の中の少なくとも1つとの前記対応が、前記所定の順序によって少なくとも部分的に示される装置。 - 前記物理的物体の組の中の少なくとも1つが、宇宙飛行体である請求項20記載の装置。
- 複数の物理的物体の中の少なくとも1つから信号を受信するように配置および構成されている受信機と、
位置判断エンティティであって、
複数の物理的物体の中の各々の基準位置を計算するように構成および配置されている基準位置計算器と、
複数の物理的物体の中の各々の補助位置を計算するように構成および配置されている補助位置計算器と、
前記基準位置および前記補助位置を受信して、かつ複数の補正係数を出力するように構成および配置されている補正係数計算器とを含む位置判断エンティティと、
複数の補正係数を送信するように構成および配置されている送信機とを含むシステムであって、
前記複数の補正係数が所定の順序で送られ、
各補正係数が、複数の物理的物体の中の少なくとも1つの対応するものの位置に関係していて、
前記複数の補正係数の中の各々と、複数の物理的物体の中の少なくとも1つとの前記対応が、前記所定の順序によって少なくとも部分的に示されるシステム。 - 物理的物体の組の中の少なくとも1つが、宇宙飛行体である請求項22記載のシステム。
- 物理的物体の組の中の少なくとも1つの位置に関係している情報を受信することと、
物理的物体の組の中の1つの基準位置を、前記情報に少なくとも部分的に基づいて、判断することと、
複数の補正係数を所定の順序で受信することと、
前記複数の補正係数の中の対応する1つを前記基準位置へ適用することとを含む方法であって、
前記複数の補正係数の中の前記対応する1つと前記基準位置との前記対応が、前記所定の順序によって少なくとも部分的に示される方法。 - 物理的物体の組の中の少なくとも1つが、宇宙飛行体である請求項24記載の方法。
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US09/910,365 US6778885B2 (en) | 2000-10-16 | 2001-07-20 | Apparatus, method, and system of transferring correction information |
PCT/US2002/022862 WO2003008994A2 (en) | 2001-07-20 | 2002-07-19 | Apparatus, method, and system of transferring correction information |
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AU (1) | AU2002320619C1 (ja) |
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- 2002-07-19 EP EP02750149A patent/EP1410061A2/en not_active Withdrawn
- 2002-07-19 CA CA2453819A patent/CA2453819C/en not_active Expired - Fee Related
- 2002-07-19 JP JP2003514281A patent/JP2005526225A/ja not_active Withdrawn
- 2002-07-19 CN CNB028146115A patent/CN100371733C/zh not_active Expired - Fee Related
- 2002-07-19 IL IL15980602A patent/IL159806A0/xx unknown
- 2002-07-19 WO PCT/US2002/022862 patent/WO2003008994A2/en active Application Filing
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2004
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JP2007292763A (ja) * | 2006-04-24 | 2007-11-08 | Nemerix Sa | エフェメリス拡張システムとgnssでの使用方法 |
US8274430B2 (en) | 2006-04-24 | 2012-09-25 | Qualcomm Incorporated | Ephemeris extension method for GNSS applications |
JP2012211906A (ja) * | 2006-04-24 | 2012-11-01 | Qualcomm Inc | エフェメリス拡張システムとgnssでの使用方法 |
JP2015028485A (ja) * | 2006-04-24 | 2015-02-12 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | エフェメリス拡張システムとgnssでの使用方法 |
US9000979B2 (en) | 2006-04-24 | 2015-04-07 | Qualcomm Incorporated | Ephemeris extension method for GNSS applications |
JP2008003092A (ja) * | 2006-06-23 | 2008-01-10 | Nemerix Sa | Gnssアプリケーションのためのエフェメリス拡張方法及び機器 |
JP2012181207A (ja) * | 2006-06-23 | 2012-09-20 | Qualcomm Inc | Gnssアプリケーションのためのエフェメリス拡張方法及び機器 |
US8497801B2 (en) | 2007-02-05 | 2013-07-30 | Qualcomm Incorporated | Prediction refresh method for ephemeris extensions |
US8654009B2 (en) | 2007-02-05 | 2014-02-18 | Qualcomm Incorporated | Prediction refresh method for ephemeris extensions |
JP5289464B2 (ja) * | 2008-12-25 | 2013-09-11 | 京セラ株式会社 | 摺動部品およびこれを備えたメカニカルシール,フォーセットバルブならびに転がり支持装置 |
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EP1410061A2 (en) | 2004-04-21 |
IL159806A0 (en) | 2004-06-20 |
AU2002320619B2 (en) | 2007-12-06 |
WO2003008994A3 (en) | 2003-07-03 |
HK1067181A1 (en) | 2005-04-01 |
IL159806A (en) | 2009-09-22 |
CN1537236A (zh) | 2004-10-13 |
US6778885B2 (en) | 2004-08-17 |
CA2453819C (en) | 2011-04-19 |
AU2002320619C1 (en) | 2008-07-31 |
WO2003008994A2 (en) | 2003-01-30 |
CA2453819A1 (en) | 2003-01-30 |
US20020068997A1 (en) | 2002-06-06 |
CN100371733C (zh) | 2008-02-27 |
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