CN101937074B - 获取导航比特流的方法和装置、gps接收机及其定位方法 - Google Patents
获取导航比特流的方法和装置、gps接收机及其定位方法 Download PDFInfo
- Publication number
- CN101937074B CN101937074B CN2009101584610A CN200910158461A CN101937074B CN 101937074 B CN101937074 B CN 101937074B CN 2009101584610 A CN2009101584610 A CN 2009101584610A CN 200910158461 A CN200910158461 A CN 200910158461A CN 101937074 B CN101937074 B CN 101937074B
- Authority
- CN
- China
- Prior art keywords
- bit
- navigation
- pseudo
- random code
- navigation message
- 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.)
- Active
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
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
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)
Abstract
Description
测试方法 | 测试次数 | 平均TTFF(S) |
传统冷启动定位 | 1003 | 36.0 |
快速冷启动定位 | 1098 | 32.4 |
Claims (16)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101584610A CN101937074B (zh) | 2009-06-30 | 2009-06-30 | 获取导航比特流的方法和装置、gps接收机及其定位方法 |
US12/650,154 US8149164B2 (en) | 2009-06-30 | 2009-12-30 | System for demodulating navigation bits from satellite signals |
JP2010057537A JP5230675B2 (ja) | 2009-06-30 | 2010-03-15 | 衛星信号からナビゲーションビットを復調するためのシステム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101584610A CN101937074B (zh) | 2009-06-30 | 2009-06-30 | 获取导航比特流的方法和装置、gps接收机及其定位方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101937074A CN101937074A (zh) | 2011-01-05 |
CN101937074B true CN101937074B (zh) | 2013-09-18 |
Family
ID=43380107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101584610A Active CN101937074B (zh) | 2009-06-30 | 2009-06-30 | 获取导航比特流的方法和装置、gps接收机及其定位方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8149164B2 (zh) |
JP (1) | JP5230675B2 (zh) |
CN (1) | CN101937074B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5678609B2 (ja) * | 2010-11-26 | 2015-03-04 | セイコーエプソン株式会社 | 誤相関判定方法及び誤相関判定装置 |
US20130069824A1 (en) * | 2011-09-21 | 2013-03-21 | Broadcom Corporation | Global Navigation System Signal Tracking and Decoding |
CN104280751A (zh) * | 2013-07-08 | 2015-01-14 | 成都国腾电子技术股份有限公司 | 基于相位差分匹配滤波的gnss***比特同步方法 |
CN104777490B (zh) * | 2015-03-18 | 2017-12-29 | 广东工业大学 | 一种导航卫星信号接收机及其冷启动方法 |
US9743293B1 (en) * | 2016-07-25 | 2017-08-22 | Samsung Electronics Co., Ltd. | System and method for local spreading code manipulation for interference mitigation |
CN106571862B (zh) * | 2016-10-31 | 2019-08-27 | 深圳市德赛微电子技术有限公司 | 一种gps接收机的快速帧同步方法 |
JP6790887B2 (ja) * | 2017-02-13 | 2020-11-25 | カシオ計算機株式会社 | 衛星電波受信装置、電子時計、測位制御方法及びプログラム |
JP2019060624A (ja) * | 2017-09-25 | 2019-04-18 | カシオ計算機株式会社 | 衛星電波受信装置、電子時計、測位制御方法及びプログラム |
CN108051829B (zh) * | 2017-11-06 | 2021-09-28 | 深圳开阳电子股份有限公司 | 一种卫星导航接收机及其导航比特同步方法和装置 |
CN107884787A (zh) * | 2017-11-23 | 2018-04-06 | 深圳开阳电子股份有限公司 | 一种 gnss 电文解调的方法、装置及卫星导航接收机 |
CN109738920B (zh) * | 2019-01-17 | 2022-12-23 | 上海华测导航技术股份有限公司 | 一种通用的导航电文提取方法 |
CN110794430A (zh) * | 2019-09-27 | 2020-02-14 | 北京遥测技术研究所 | 一种gps-l1c或bds-b1c频点卫星导航接收机冷启动方法 |
CN114567924B (zh) * | 2022-02-14 | 2024-02-02 | 北京瑞迪时空信息技术有限公司 | 基于陆基定位***接收机的帧同步方法、电子设备及介质 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5579014A (en) * | 1995-01-20 | 1996-11-26 | General Electric Company | Parallel correlator for global positioning system receiver |
US7453926B2 (en) * | 2005-06-01 | 2008-11-18 | Mediatek Incorporation | Bit synchronization detection methods and systems |
JP2006345128A (ja) * | 2005-06-08 | 2006-12-21 | Mitsubishi Electric Corp | 検出装置 |
JP4828308B2 (ja) * | 2006-05-31 | 2011-11-30 | 三菱電機株式会社 | 位相変調系列再生装置 |
JP2008032638A (ja) * | 2006-07-31 | 2008-02-14 | Seiko Epson Corp | 測位装置、測位方法及び測位装置を有する時計 |
US7869485B2 (en) * | 2007-06-21 | 2011-01-11 | O2Micro International Ltd. | Method and apparatus for detecting lock status of a GPS signal |
WO2009079380A2 (en) * | 2007-12-14 | 2009-06-25 | Magellan Systems Japan, Inc. | Process for sub-microsecond time transfer using weak gps/gnss signals |
-
2009
- 2009-06-30 CN CN2009101584610A patent/CN101937074B/zh active Active
- 2009-12-30 US US12/650,154 patent/US8149164B2/en active Active
-
2010
- 2010-03-15 JP JP2010057537A patent/JP5230675B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP5230675B2 (ja) | 2013-07-10 |
US20100328156A1 (en) | 2010-12-30 |
JP2011013206A (ja) | 2011-01-20 |
US8149164B2 (en) | 2012-04-03 |
CN101937074A (zh) | 2011-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101937074B (zh) | 获取导航比特流的方法和装置、gps接收机及其定位方法 | |
CN100377507C (zh) | 在gps接收机中确定时间 | |
CN100354646C (zh) | 在卫星定位***中使用卫星状态信息的方法和装置 | |
US6304216B1 (en) | Signal detector employing correlation analysis of non-uniform and disjoint sample segments | |
US7439907B2 (en) | Navigation signal receiver trajectory determination | |
CN102713674B (zh) | 使用低成本单频gnss接收器的厘米级定位 | |
CN101305294B (zh) | 用于移动网络辅助定位的方法和*** | |
CN101458321B (zh) | 基于pc机的gps/caps双模软件接收机 | |
CN101464508B (zh) | 一种gps的c/a码信号的捕获方法 | |
JP3785210B2 (ja) | 広域測位システム用並列相関器 | |
US20070008217A1 (en) | Method and device for acquiring weak global navigation satellite system (GNSS) signals | |
US20050264446A1 (en) | Method and system for data detection in a global positioning system satellite receiver | |
FI110290B (fi) | Menetelmä informaation vaiheen selvittämiseksi ja elektroniikkalaite | |
EP3039452B1 (en) | Cloud-offloaded global satellite positioning | |
WO2001079877A2 (en) | Signal detector and method employing a coherent accumulation system to correlate non-uniform and disjoint sample segments | |
CN102016621A (zh) | 用于互相关毛刺减轻的装置和方法 | |
CN1987515B (zh) | 实现在微弱信号环境下gps定位的方法和*** | |
CN101946188A (zh) | 处理所接收的卫星无线电信号 | |
CN101828127A (zh) | 卫星定位***信号的处理 | |
CN101755223A (zh) | 无定时信息的导航定位 | |
US6750814B1 (en) | Efficient algorithm for processing GPS signals | |
CN102478656B (zh) | 误相关判断方法以及误相关判断装置 | |
CN1690726B (zh) | 按比例缩减装置及方法,全球定位***同步方法及接收器 | |
CN101726723B (zh) | 对全球定位***接收机观测量进行预处理的方法 | |
JP6768532B2 (ja) | 位置測位システム及び位置測位方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: MAISHI ELECTRONIC (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: O2MICRO INTERNATIONAL LTD. Effective date: 20121225 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430074 WUHAN, HUBEI PROVINCE TO: 201203 PUDONG NEW AREA, SHANGHAI |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20121225 Address after: 201203 Shanghai Zhangjiang hi tech Park Chunxiao Road No. 289 room 1402 Applicant after: Maishi Electronic (Shanghai) Co., Ltd. Address before: Wuhan City, Hubei province 430074 Luoyu Road No. 716 Hua Le Business Center Room 806 Applicant before: O2Micro International Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211123 Address after: 610041 floor 14, block a, Oriental hope building, No. 3, Gaopeng Avenue, high tech Zone, Chengdu, Sichuan Patentee after: Concave and Convex Electronics (Chengdu) Co.,Ltd. Address before: Room 1402, 289 Chunxiao Road, Zhangjiang hi tech park, Shanghai 201203 Patentee before: O2Micro Inc. |