JP2015526715A - サンプリング削減低電力gps - Google Patents
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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
- G01S19/09—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing processing capability normally carried out by the receiver
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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
- G01S19/254—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 Doppler shift of satellite signals
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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
- G01S19/258—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 the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view
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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
- G01S19/34—Power consumption
-
- 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
- G01S19/42—Determining position
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
[0089] 608において、移動体デバイス102は、各列の加重平均の係数ベクトルを含む圧縮検知理論にしたがって、上の行列を圧縮検知モデルとして表す。その結果得られる行列式は次のようになる。
結論
[0115] 以上、構造的特徴および/または方法論的アクトに特定的な文言で主題について説明したが、添付した特許請求の範囲において定められる主題は必ずしも説明した具体的な特徴やアクトには限定されないことは、理解されてしかるべきである。むしろ、具体的な特徴やアクトは、特許請求の範囲を実現する形態例として開示したまでである。
Claims (10)
- デバイスであって、
1つ以上のプロセッサーと、
前記1つ以上のプロセッサーによって実行可能な命令を維持する1つ以上のコンピューター読み取り可能媒体であって、前記命令が、
複数のGPS信号サンプルを生成するために全地球測位システム(GPS)信号をサンプリングする動作と、
前記複数のGPS信号サンプルの各々にタイム・スタンプを生成する動作と、
複数の圧縮GPSサンプルを生成するために、圧縮検知理論にしたがって前記複数のGPSサンプルを圧縮する動作と、
前記複数の圧縮GPS信号サンプルと前記タイム・スタンプとをサーバーに供給する動作と、
を含む動作を実行するためである、1つ以上のコンピューター読み取り可能媒体と、
を含む、デバイス。 - 請求項1記載のデバイスにおいて、前記複数のGPS信号サンプルが、時間ドメインにおいて圧縮される、デバイス。
- 請求項1記載のデバイスにおいて、前記複数のGPS信号サンプルが周波数ドメインにおいて圧縮される、デバイス。
- 請求項1記載のデバイスにおいて、圧縮検知理論にしたがって前記複数のGPS信号サンプルを圧縮する動作が、
前記複数のGPS信号サンプルを、可能なシフトされたドップラー周波数および符号位相にわたって列挙された行列として表現する動作と、
各列の加重平均の係数ベクトルを含む圧縮検知モデルとして、前記表現を書き換える動作と、
を含む、デバイス。 - 請求項1記載のデバイスにおいて、圧縮検知理論にしたがって前記複数のGPS信号サンプルを圧縮する動作が、
1組の可能なドップラー周波数を固定する動作と、
可能なシフトされた符号位相および前記固定された1組のドップラー周波数にわたって列挙された行列として、前記複数のGPS信号サンプルを表現する動作と、
各列の加重平均の係数ベクトルを含む圧縮検知モデルとして、前記表現を書き換える動作と、
を含む、デバイス。 - 請求項1記載のデバイスにおいて、圧縮検知理論にしたがって前記複数のGPS信号サンプルを圧縮する動作が、
前記GPS信号サンプルに対して離散フーリエ変換(DFT)を実行する動作と、
前記DTFから得られた係数を、可能なドップラー周波数にわたって列挙された行列として表現する動作と、
各列の加重平均の係数ベクトルを含む圧縮検知モデルとして、前記表現を書き換える動作と、
を含む、デバイス。 - 命令を格納するコンピューター読み取り可能記憶媒体であって、前記命令を1つ以上のプロセッサーによって実行すると、前記1つ以上のプロセッサーに、
複数の全地球測位システム(GPS)信号サンプルとこれに対応するタイム・スタンプとを受信させ、前記GPS信号サンプルが圧縮検知理論にしたがって圧縮されており、
前記GPS信号サンプルから、1組の可視衛星を識別させ、可視衛星毎に、対応するドップラー周波数および符号位相を識別させ、
前記可視衛星のエフェメリスを引き出させ、
1組の可能な基準位置を識別させ、
粗雑時間ナビゲーション(CTN)計算を前記基準位置の各々に適用することによって、1組の可能な位置を判定させ、前記可能な位置の各々が、識別された前記基準位置の1つに対応し、前記1組の可能な位置が、実際の位置と少なくとも1つの幻影位置とを含み、
高度データーを使用して、前記少なくとも1つの幻影位置を排除させる、
コンピューター読み取り可能媒体。 - 方法であって、
複数の全地球測位システム(GPS)信号サンプルとこれに対応するタイム・サンプルを移動体デバイスから受信するステップと、
1つ以上のプロセッサーによって、1組の可視衛星を識別し、可視衛星毎に、前記GPS信号サンプルから対応するドップラー周波数と符号位相とを識別するステップと、
データーベースからエフェメリス・データーを引き出すステップと、
少なくとも部分的に前記タイム・スタンプ、前記1組の可視衛星、および前記エフェメリス・データーに基づいて、前記移動体デバイスが前記信号サンプルを受信した領域を推定するステップと、
を含む、方法。 - 請求項8記載の方法において、前記GPS信号サンプルが、圧縮検知理論にしたがって圧縮される、方法。
- 請求項8記載の方法において、前記1組の可視衛星を識別するステップが、疎信号復元ソルバーを前記GPS信号サンプルに適用するステップを含む、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US13/550,454 | 2012-07-16 | ||
US13/550,454 US10386490B2 (en) | 2012-07-16 | 2012-07-16 | Reduced sampling low power GPS |
PCT/US2013/050747 WO2014014952A1 (en) | 2012-07-16 | 2013-07-16 | Reduced sampling low power gps |
Publications (3)
Publication Number | Publication Date |
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JP2015526715A true JP2015526715A (ja) | 2015-09-10 |
JP2015526715A5 JP2015526715A5 (ja) | 2019-02-14 |
JP6532402B2 JP6532402B2 (ja) | 2019-06-19 |
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US (1) | US10386490B2 (ja) |
EP (1) | EP2872922B1 (ja) |
JP (1) | JP6532402B2 (ja) |
KR (1) | KR20150038054A (ja) |
CN (1) | CN104487866B (ja) |
WO (1) | WO2014014952A1 (ja) |
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US20140015713A1 (en) | 2014-01-16 |
CN104487866A (zh) | 2015-04-01 |
EP2872922B1 (en) | 2017-11-15 |
WO2014014952A1 (en) | 2014-01-23 |
JP6532402B2 (ja) | 2019-06-19 |
EP2872922A1 (en) | 2015-05-20 |
CN104487866B (zh) | 2018-03-30 |
US10386490B2 (en) | 2019-08-20 |
KR20150038054A (ko) | 2015-04-08 |
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