JP2024508383A - 複数の基準局を使用するリアルタイムキネマティック（ｒｔｋ）および差分全地球航法衛星システム（ｄｇｎｓｓ）補正 - Google Patents

複数の基準局を使用するリアルタイムキネマティック（ｒｔｋ）および差分全地球航法衛星システム（ｄｇｎｓｓ）補正 Download PDF

Info

Publication number
JP2024508383A
JP2024508383A JP2023546495A JP2023546495A JP2024508383A JP 2024508383 A JP2024508383 A JP 2024508383A JP 2023546495 A JP2023546495 A JP 2023546495A JP 2023546495 A JP2023546495 A JP 2023546495A JP 2024508383 A JP2024508383 A JP 2024508383A
Authority
JP
Japan
Prior art keywords
mobile device
correction data
stations
reference station
reference stations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2023546495A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024508383A5 (https=
Inventor
ニン・ルオ
ミン・ワン
ゲンシェン・ジャン
ボ・ジェン
インフア・ヤン
ハン・ジャン
Original Assignee
クアルコム，インコーポレイテッド
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by クアルコム，インコーポレイテッド filed Critical クアルコム，インコーポレイテッド
Publication of JP2024508383A publication Critical patent/JP2024508383A/ja
Publication of JP2024508383A5 publication Critical patent/JP2024508383A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • G01S19/073—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
    • 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
    • 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
    • G01S19/071—DGPS corrections
    • 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
    • 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
    • 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
    • G01S19/41—Differential correction, e.g. DGPS [differential GPS]
    • 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
    • G01S19/43—Determining position using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry
    • 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
    • G01S19/43—Determining position using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry
    • G01S19/44—Carrier phase ambiguity resolution; Floating ambiguity; LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method
    • 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
    • G01S19/252—Employing an initial estimate of location in generating assistance data

Landscapes

  • 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)
JP2023546495A 2021-03-02 2022-01-06 複数の基準局を使用するリアルタイムキネマティック（ｒｔｋ）および差分全地球航法衛星システム（ｄｇｎｓｓ）補正 Pending JP2024508383A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17/190,116 2021-03-02
US17/190,116 US11802971B2 (en) 2021-03-02 2021-03-02 Real-time kinematic (RTK) and differential global navigation satellite system (DGNSS) corrections using multiple reference stations
PCT/US2022/070080 WO2022187759A2 (en) 2021-03-02 2022-01-06 Real-time kinematic (rtk) and differential global navigation satellite system (dgnss) corrections using multiple reference stations

Publications (2)

Publication Number Publication Date
JP2024508383A true JP2024508383A (ja) 2024-02-27
JP2024508383A5 JP2024508383A5 (https=) 2024-12-23

Family

ID=80122806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023546495A Pending JP2024508383A (ja) 2021-03-02 2022-01-06 複数の基準局を使用するリアルタイムキネマティック（ｒｔｋ）および差分全地球航法衛星システム（ｄｇｎｓｓ）補正

Country Status (7)

Country Link
US (2) US11802971B2 (https=)
EP (1) EP4302135A2 (https=)
JP (1) JP2024508383A (https=)
KR (1) KR20230152675A (https=)
CN (1) CN117120875A (https=)
TW (1) TW202235913A (https=)
WO (1) WO2022187759A2 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7246778B2 (ja) * 2019-01-04 2023-03-28 マゼランシステムズジャパン株式会社 高精度な単独測位機能を有する自律型基準局
JP7468912B2 (ja) 2019-05-30 2024-04-16 マゼランシステムズジャパン株式会社 基準局のための高精度単独測位装置
CN117715178A (zh) * 2022-09-09 2024-03-15 华为技术有限公司 卫星定位方法和相关产品
US12117533B1 (en) * 2023-04-07 2024-10-15 Zephr.xyz Inc. System and method for hybrid precise point positioning and real-time kinematic position estimation
US12038513B1 (en) * 2023-04-07 2024-07-16 Zephr.xyz Inc. System and method for improving positioning accuracy of global navigation satellite system devices
US12510674B2 (en) * 2023-05-15 2025-12-30 Blue White Robotics Ltd Brokering real time kinematics (RTK) positioning data for dynamically defined zones
WO2024259176A1 (en) * 2023-06-14 2024-12-19 Zephr.xyz Inc. System and method for improving positioning accuracy of global navigation satellite system devices
US20250151006A1 (en) * 2023-11-03 2025-05-08 Qualcomm Incorporated Multiple positioning reference unit signal usage
KR102715560B1 (ko) 2023-11-15 2024-10-11 장진만 자율주행식 농기계의 ｒｔｋ 안테나 모듈
US20250267623A1 (en) * 2024-02-15 2025-08-21 Qualcomm Incorporated Istb calibration to improve positioning engine solution separation availability
KR102820287B1 (ko) 2024-09-30 2025-06-17 장진만 Rtk 안테나 모듈을 구비한 자율주행식 농기계 차량

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11311665A (ja) * 1998-04-28 1999-11-09 Mitsubishi Electric Corp 人工衛星の航法装置および人工衛星の航法
JP2007248177A (ja) * 2006-03-15 2007-09-27 Mitsubishi Electric Corp 情報処理装置及び補正値複合方法及びプログラム
JP2007309667A (ja) * 2006-05-16 2007-11-29 Topcon Corp Ｒｔｋ−ｇｐｓ測量システム
US20140184442A1 (en) * 2012-12-28 2014-07-03 Trimble Navigation Limited Gnss receiver positioning system
JP6637214B1 (ja) * 2019-09-17 2020-01-29 Ａｌｅｓ株式会社 測位システム、サーバ、測位方法、プログラム、測位対象の装置及び移動体
JP6644944B1 (ja) * 2019-10-01 2020-02-12 Ａｌｅｓ株式会社 測位システム、サーバ、情報配信方法及びプログラム
JP2020085824A (ja) * 2018-11-30 2020-06-04 Ａｌｅｓ株式会社 測位システム、サーバ、測位方法、測位対象の装置及び移動体

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7586438B1 (en) * 2004-04-19 2009-09-08 Novariant Inc. Navigation with satellite communications
CN101507296B (zh) 2006-08-24 2012-09-19 高通股份有限公司 用于支持漫游移动台的定位的方法及设备
US7576690B2 (en) * 2007-10-29 2009-08-18 Trimble Navigation Limited Position determination with reference data outage
US8786491B2 (en) 2008-07-18 2014-07-22 Qualcomm Incorporated Methods and apparatuses for requesting/providing assistance data associated with various satellite positioning systems in wireless communication networks
CN102834729B (zh) 2010-04-12 2015-01-07 诺基亚公司 选择相对定位方法
US8624779B2 (en) * 2010-05-18 2014-01-07 Trimble Navigation Limited Global navigation satellite system (GNSS) reference station integrity monitoring and assurance
US9671501B2 (en) * 2012-09-26 2017-06-06 Trimble Inc. Global navigation satellite systems (GNSS) positioning using precise satellite data
KR20140045087A (ko) 2012-10-08 2014-04-16 에스케이플래닛 주식회사 Ｄｇｐｓ의 위치 보정 방법 및 시스템과 이를 지원하는 장치와 단말기
US9462446B2 (en) * 2012-12-28 2016-10-04 Trimble Navigation Limited Collecting external accessory data at a mobile data collection platform that obtains raw observables from an internal chipset
US9250327B2 (en) * 2013-03-05 2016-02-02 Subcarrier Systems Corporation Method and apparatus for reducing satellite position message payload by adaptive data compression techniques
US9541648B2 (en) 2013-12-18 2017-01-10 Agco Corporation System and method of communicating GNSS information between mobile machines
US20150247931A1 (en) * 2014-02-28 2015-09-03 Hemisphere Gnss Inc. Locally enhanced gnss wide-area augmentation system
CA2941498A1 (en) * 2014-03-11 2015-09-17 Raven Industries, Inc. High reliability gnss correction
EP3137923B1 (en) 2014-05-02 2021-08-18 Trimble Inc. Dead reckoning system based on locally measured movement
US9933528B2 (en) * 2014-10-27 2018-04-03 Swift Navigation, Inc. Systems and methods for real time kinematic satellite positioning
US10605926B2 (en) 2015-06-29 2020-03-31 Deere & Company Satellite navigation receiver and method for switching between real-time kinematic mode and relative positioning mode
AU2016345346C1 (en) 2015-10-29 2019-09-05 Huawei Technologies Co., Ltd. Positioning method in mobile network, base station, and mobile terminal
CN108474856A (zh) 2016-01-15 2018-08-31 松下知识产权经营株式会社 Gnss校正数据分发装置、gnss校正数据分发系统以及gnss校正数据分发方法
US10422885B2 (en) 2016-03-18 2019-09-24 Deere & Company Rapid recovery of precise position after temporary signal loss
US10782417B2 (en) * 2016-07-29 2020-09-22 Trimble Inc. Mobile reference station for GNSS positioning
US11150352B2 (en) * 2016-09-06 2021-10-19 Deere & Company Method and system for providing satellite correction signal with warm start
CN108267762B (zh) 2016-12-31 2022-07-29 华为技术有限公司 实时动态定位系统虚拟参考站切换方法和设备
US10716086B2 (en) * 2017-01-03 2020-07-14 Verizon Patent And Licensing Inc. Hyper accuracy location platform
US10338233B2 (en) 2017-04-12 2019-07-02 Coherent Technical Services, Inc. Assured validation of carrier-phase integer ambiguities for safety-of-life applications
KR102146890B1 (ko) * 2017-04-21 2020-08-21 주식회사 케이티 Gps 보정 정보 전송 방법 및 이를 위한 시스템
US10473790B2 (en) * 2017-11-17 2019-11-12 Swift Navigation, Inc. Systems and methods for distributed dense network processing of satellite positioning data
US10948605B2 (en) 2017-12-21 2021-03-16 Valeo Comfort And Driving Assistance Broadcast and utilization of precise GNSS correction data
CN112105957A (zh) 2018-05-18 2020-12-18 瑞典爱立信有限公司 用于处置参考站的gnss参考系信息的方法
EP3633409A1 (en) * 2018-10-05 2020-04-08 Spaceopal GmbH Method for providing a correction information, plurality of reference stations and a central computation unit, gns system and software product and/or network for providing a correction information in a gns system
US10871579B2 (en) * 2018-11-16 2020-12-22 Swift Navigation, Inc. System and method for satellite positioning
JP7111176B2 (ja) 2018-11-22 2022-08-02 日本電気株式会社 位置補正情報配信システムと方法と基地局並びにプログラム
US11333772B2 (en) * 2019-03-22 2022-05-17 Verizon Patent And Licensing Inc. Static virtual reference station agents for global navigation satellite system corrections
US10809388B1 (en) * 2019-05-01 2020-10-20 Swift Navigation, Inc. Systems and methods for high-integrity satellite positioning
JP7468912B2 (ja) * 2019-05-30 2024-04-16 マゼランシステムズジャパン株式会社 基準局のための高精度単独測位装置
US20220107427A1 (en) * 2019-08-01 2022-04-07 Swift Navigation, Inc. System and method for gaussian process enhanced gnss corrections generation
CN114502987B (zh) * 2019-08-01 2025-07-25 斯威夫特导航股份有限公司 用于高斯过程增强的gnss校正生成的系统和方法
CN110545519A (zh) 2019-10-15 2019-12-06 和芯星通科技(北京)有限公司 网络rtk服务方法、网络rtk服务器、通信基站和存储介质
US11156724B2 (en) * 2019-11-07 2021-10-26 Magellan Systems Japan, Inc. System and method for calibrating inter-frequency hardware bias in RTK positioning using error correction information
US11480690B2 (en) * 2020-06-09 2022-10-25 Swift Navigation, Inc. System and method for satellite positioning
US11668840B2 (en) * 2020-08-20 2023-06-06 Qualcomm Incorporated Ultra-long baseline RTK
WO2023009463A1 (en) * 2021-07-24 2023-02-02 Swift Navigation, Inc. System and method for computing positioning protection levels
WO2023018716A1 (en) * 2021-08-09 2023-02-16 Swift Navigation, Inc. System and method for providing gnss corrections
US11846715B2 (en) * 2021-08-25 2023-12-19 Qualcomm Incorporated DGNSS using reference station carrier phase measurements

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11311665A (ja) * 1998-04-28 1999-11-09 Mitsubishi Electric Corp 人工衛星の航法装置および人工衛星の航法
JP2007248177A (ja) * 2006-03-15 2007-09-27 Mitsubishi Electric Corp 情報処理装置及び補正値複合方法及びプログラム
JP2007309667A (ja) * 2006-05-16 2007-11-29 Topcon Corp Ｒｔｋ−ｇｐｓ測量システム
US20140184442A1 (en) * 2012-12-28 2014-07-03 Trimble Navigation Limited Gnss receiver positioning system
JP2020085824A (ja) * 2018-11-30 2020-06-04 Ａｌｅｓ株式会社 測位システム、サーバ、測位方法、測位対象の装置及び移動体
JP6637214B1 (ja) * 2019-09-17 2020-01-29 Ａｌｅｓ株式会社 測位システム、サーバ、測位方法、プログラム、測位対象の装置及び移動体
JP6644944B1 (ja) * 2019-10-01 2020-02-12 Ａｌｅｓ株式会社 測位システム、サーバ、情報配信方法及びプログラム

Also Published As

Publication number Publication date
US20220283314A1 (en) 2022-09-08
EP4302135A2 (en) 2024-01-10
WO2022187759A2 (en) 2022-09-09
US20240027625A1 (en) 2024-01-25
TW202235913A (zh) 2022-09-16
WO2022187759A3 (en) 2022-10-20
KR20230152675A (ko) 2023-11-03
US11802971B2 (en) 2023-10-31
CN117120875A (zh) 2023-11-24

Similar Documents

Publication Publication Date Title
JP2024508383A (ja) 複数の基準局を使用するリアルタイムキネマティック（ｒｔｋ）および差分全地球航法衛星システム（ｄｇｎｓｓ）補正
EP4200647B1 (en) Rtk gnss positioning without base stations
US11846715B2 (en) DGNSS using reference station carrier phase measurements
KR102698015B1 (ko) 정밀 포인트 포지셔닝(ppp) 기반 실시간 이동 측위(rtk) 보정
US11112508B2 (en) Positioning method and positioning terminal
CN119343610A (zh) 用于保护等级计算的实时ppe基站测量不确定性建模
TW202246803A (zh) 超寬巷即時動態定位
WO2024059397A1 (en) Cross-frequency correction for precise positioning
US11668840B2 (en) Ultra-long baseline RTK
WO2023283867A1 (en) Low-Earth Orbit (LEO) Satellite Position, Velocity, and Time (PVT) Determination for LEO-based Positioning
EP4200646A1 (en) Dgnss/rtk base station position bias detection and calculation
US12523782B2 (en) Ultra wide-lane (UWL) ambiguity to identify precise positioning engine (PPE) correction exceptions

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241213

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20241213

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20251022

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20251028

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20251217

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20260317