JP6649751B2 - 静止衛星型補強システム(sbas)格子点電離層垂直遅延量誤差(give)情報を使用して地上型補強システム(gbas)のために電離層誤差を緩和する方法 - Google Patents
静止衛星型補強システム(sbas)格子点電離層垂直遅延量誤差(give)情報を使用して地上型補強システム(gbas)のために電離層誤差を緩和する方法 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
- G01S19/072—Ionosphere corrections
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- 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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- 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
- G01S19/073—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 involving a network of fixed stations
- G01S19/074—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 involving a network of fixed stations providing integrity data, e.g. WAAS
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- G—PHYSICS
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- 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
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- 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
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- G—PHYSICS
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- 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
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- 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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Description
[1]本特許出願は下記の出願に関連する。
[2]「GNSS USING SBAS IONOSPHERIC MEASUREMENTS IN CONJUNCTION WITH GBAS AIDING(GBAS支援と共にSBAS電離層測定値を用いたGNSS)」と題する、2013年11月27に出願され、参照により本明細書に組み込まれている米国仮特許出願第61/909,900号。
[15]下記の詳細な説明において、本明細書の一部を成す添付図面が参照され、参照は図面内に説明目的の例示的実施形態を使用して示されている。ただし、その他の実施形態が利用されてもよく、かつ、論理的、機械的、および電気的な変更が行われてもよいことを理解されたい。さらに、図面および本明細書に記載される方法は、個々のステップが行われる順序を限定すると見なされてはならない。よって、下記の詳細な説明は制限的な意味に解釈されてはならない。
102 地上補強システム(GBAS)処理モジュール
104 基準局受信機
106 SBAS受信機
108 航空機通信装置
110 GNSS衛星
112 SBAS対地静止衛星
114 航空機
200 電離層格子点(IGP)の格子
202 電離層格子点(IGP)
204 電離層貫通点(IPP)
206 実効半径
302 空間境界
304 空間境界
306 空間境界
400 全地球航法衛星システム(GNSS)受信機
402 GNSSアンテナ
404 GBASアンテナ
Claims (3)
- 既知の位置を有する複数の基準局受信機(104)と、
前記複数の基準局受信機(104)に通信可能に接続された少なくとも1つの処理モジュール(102)と、
前記少なくとも1つの処理モジュール(102)に通信可能に接続された少なくとも1つの航空機通信装置(108)と
を備える地上型補強システム(GBAS)(100)であって、
前記少なくとも1つの処理モジュール(108)が、複数の全地球航法衛星システム(GNSS)衛星(110)のそれぞれについて全地球航法衛星システム(GNSS)衛星(110)測定値をチェックして、少なくとも1つの静止衛星型補強システム(SBAS)対地静止衛星(112)から導出された複数の電離層格子点(IGP)(202)に対する各全地球航法衛星システム(GNSS)衛星(110)測定値の電離層貫通点(IPP)(204)の近接性を判断するように構成され、
前記少なくとも1つの処理モジュールが、前記電離層格子点(IGP)(202)が許容可能な格子点電離層垂直遅延量誤差(GIVE)値をもつときは、前記複数の全地球航法衛星システム(GNSS)衛星(110)のそれぞれについての前記全地球航法衛星システム(GNSS)衛星(110)測定値が、少なくとも1つのオーバーバウンドされた垂直電離層勾配標準偏差シグマvig(σvig)を使用する緩和に対して安全であると判断するようにさらに構成され、
前記少なくとも1つの処理モジュール(102)が、前記少なくとも1つのオーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)を使用する緩和に対して安全であると判断された全地球航法衛星システム(GNSS)衛星(110)測定値のうちの一定数が、精密進入に必要な垂直警報限界(VAL)(306)に適合する垂直保護限界(VPL)(304)を生成できるかどうか判断するようにさらに構成され、
前記少なくとも1つの処理モジュール(102)が、前記少なくとも1つのオーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)を使用する緩和に対して安全であると判断された全地球航法衛星システム(GNSS)衛星(110)測定値のうちの一定数が精密進入に必要な垂直警報限界(VAL)(306)に適合する垂直保護限界(VPL)(304)を生成できるときに、前記少なくとも1つの航空機通信装置(108)に、前記少なくとも1つのオーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)を、ディファレンシャル補正値および、前記少なくとも1つのオーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)を使用する緩和に対して安全な全地球航法衛星システム(GNSS)衛星(110)測定値のうちのどれが精密進入に必要な垂直警報限界(VAL)(306)に適合する垂直保護限界(VPL)(304)を生成できるかの指標と共に、航空機GNSS受信機(400)に伝えさせるように構成される、
地上型補強システム(GBAS)(100)。 - 前記少なくとも1つのオーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)が、前記複数の全地球航法衛星システム(GNSS)衛星(110)のそれぞれについて個別のオーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)を含む、請求項1に記載の地上型補強システム(GBAS)(100)。
- 電離層によって誘導される誤差を全地球航法衛星システム(GNSS)と共に使用される地上型補強システム(GBAS)(100)のために静止衛星型補強システム(SBAS)を使用して緩和する方法(600)であって、
地上型補強システム(GBAS)(100)から観測可能な複数の全地球航法衛星システム(GNSS)衛星(110)測定値をチェックして、少なくとも1つの静止衛星型補強システム(SBAS)対地静止衛星(112)から導出された複数の電離層格子点(IGP)(202)に対する、前記複数の全地球航法衛星システム(GNSS)衛星(110)測定値についての各電離層貫通点(IPP)(204)の近接性を判断するステップ(602)と、
前記電離層格子点(IGP)(202)が許容可能な格子点電離層垂直遅延量誤差(GIVE)値をもつときは、オーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)を使用する緩和に対して前記全地球航法衛星システム(GNSS)衛星(110)測定値が安全であると見なすステップ(604)と、
前記オーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)に適合する全地球航法衛星システム(GNSS)衛星(110)測定値のうちの一定数が、精密進入に必要な垂直警報限界(VAL)(306)に適合する垂直保護限界(VPL)(304)を作成できるかどうか判断するステップ(606)と、
前記オーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)に適合する全地球航法衛星システム(GNSS)衛星(110)測定値のうちの一定数が、精密進入に必要な前記垂直警報限界(VAL)(306)に適合する前記垂直保護限界(VPL)(304)を作成できるときに、前記少なくとも1つのオーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)を、ディファレンシャル補正値および、前記少なくとも1つのオーバーバウンドされた垂直電離層勾配の標準偏差シグマvig(σvig)を使用する緩和に対して安全である全地球航法衛星システム(GNSS)衛星(110)測定値のうちのどれが精密進入に必要な垂直警報限界(VAL)(306)に適合する垂直保護限界(VPL)(304)を作成するかの指標と共に、航空機の全地球航法衛星システム(GNSS)受信機(400)に伝えるステップ(608)と
を含む、方法(600)。
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US14/549,382 US9945954B2 (en) | 2014-11-20 | 2014-11-20 | Using space-based augmentation system (SBAS) grid ionosphere vertical error (GIVE) information to mitigate ionosphere errors for ground based augmentation systems (GBAS) |
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JP2016099353A (ja) | 2016-05-30 |
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US20160146942A1 (en) | 2016-05-26 |
RU2015149491A (ru) | 2017-05-24 |
RU2015149491A3 (ja) | 2019-03-28 |
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EP3023811B1 (en) | 2020-04-01 |
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