JP7324234B2 - 測位信号を含む信号を検出するための方法及びシステム - Google Patents
測位信号を含む信号を検出するための方法及びシステム Download PDFInfo
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- JP7324234B2 JP7324234B2 JP2020566693A JP2020566693A JP7324234B2 JP 7324234 B2 JP7324234 B2 JP 7324234B2 JP 2020566693 A JP2020566693 A JP 2020566693A JP 2020566693 A JP2020566693 A JP 2020566693A JP 7324234 B2 JP7324234 B2 JP 7324234B2
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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
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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
- G01S19/05—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
- G01S19/25—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
-
- 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
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/36—Constructional details or hardware or software details of the signal processing chain relating to the receiver frond end
-
- 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
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
-
- 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
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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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)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Description
Claims (13)
- 所定数のチップの擬似ランダム符号で変調されたスペクトル拡散信号を検出する信号処理装置であって、
前記チップの1つの所定の割合の精度のタイミング信号を提供する温度補償水晶発振器と、
前記タイミング信号を受信し、所定の周波数の第1のデジタルクロック信号を生成するクロック発生器と、
前記タイミング信号、及び前記スペクトル拡散信号を受信し、第2のデジタルクロック信号及び前記スペクトル拡散信号のデジタルベースバンドサンプルを、前記第2のデジタルクロック信号の各周期で提供するアナログ信号処理回路と、
前記第1のデジタルクロック信号を受信し、イネーブル信号を提供するカウンタ回路と、
データバッファと、
前記デジタルベースバンドサンプル、前記第2のデジタルクロック信号、及び前記イネーブル信号を受信し、前記イネーブル信号がアサートされているときに前記デジタルベースバンドサンプルを前記データバッファに格納する、前記データバッファ用の入力インターフェース回路と、
前記データバッファから前記デジタルベースバンドサンプルを読み出して信号検出を行うプロセッサと、
を備えることを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記入力インターフェース回路は、並列接続された複数のシリアル周辺インターフェース回路を含むことを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記第1のデジタルクロック信号の前記所定の周波数は、16MHzであることを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記第1のデジタルクロック信号は、1/16μsの精度であることを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記アナログ信号処理回路は、前記イネーブル信号がアサートされていないときには電力供給されないことを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記プロセッサは、前記信号検出の完了時にスリープ状態に入ることを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記プロセッサ、前記データバッファ、及び前記入力インターフェース回路は、埋め込みマイクロコントローラ集積回路の構成要素であることを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記デジタルベースバンドサンプルは、ベースバンド信号の同相チャネル及び直交チャネルのサンプルを含むことを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記信号処理装置は、太陽電池式であることを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
前記温度補償水晶発振器、前記クロック発生器、前記アナログ信号処理回路、前記カウンタ回路、前記入力インターフェース回路、前記データバッファ、及び前記プロセッサが実装される筐体をさらに備えることを特徴とする装置。 - 請求項10に記載の信号処理装置であって、
バッテリと、
前記バッテリの電力調整回路と、
前記電力調整回路の制御下で太陽エネルギーを前記バッテリ内のエネルギーに変換する太陽電池パネルと、をさらに備え、
前記太陽電池パネルは、前記筐体の外面に取り付けられることを特徴とする装置。 - 請求項1に記載の信号処理装置であって、
省電力広域ネットワークを介して通信するための通信モジュールをさらに備えることを特徴とする装置。 - 請求項12に記載の信号処理装置であって、
前記省電力広域ネットワークは、LoRaネットワークを含むことを特徴とする装置。
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US15/991,217 US11137502B2 (en) | 2018-05-29 | 2018-05-29 | Method and system for signal detection including positioning signals |
PCT/US2019/033388 WO2019231770A1 (en) | 2018-05-29 | 2019-05-21 | Method and system for signal detection including positioning signals |
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2018
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2019
- 2019-05-21 JP JP2020566693A patent/JP7324234B2/ja active Active
- 2019-05-21 EP EP19810949.8A patent/EP3803464A4/en active Pending
- 2019-05-21 WO PCT/US2019/033388 patent/WO2019231770A1/en unknown
- 2019-05-21 CN CN201980035941.XA patent/CN112639530B/zh active Active
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2021
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CN112639530A (zh) | 2021-04-09 |
WO2019231770A1 (en) | 2019-12-05 |
JP2023139257A (ja) | 2023-10-03 |
EP3803464A4 (en) | 2022-09-21 |
EP3803464A1 (en) | 2021-04-14 |
JP2021526208A (ja) | 2021-09-30 |
US20230324565A1 (en) | 2023-10-12 |
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CN112639530B (zh) | 2024-04-30 |
US20210382180A1 (en) | 2021-12-09 |
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