MX164985B - APPARATUS AND METHOD OF INVESTIGATION OF SEARCH BY DOPPLER EFFECT IN A DIGITAL RECEIVER OF A GLOBAL PLACEMENT SYSTEM - Google Patents
APPARATUS AND METHOD OF INVESTIGATION OF SEARCH BY DOPPLER EFFECT IN A DIGITAL RECEIVER OF A GLOBAL PLACEMENT SYSTEMInfo
- Publication number
- MX164985B MX164985B MX3618A MX361886A MX164985B MX 164985 B MX164985 B MX 164985B MX 3618 A MX3618 A MX 3618A MX 361886 A MX361886 A MX 361886A MX 164985 B MX164985 B MX 164985B
- Authority
- MX
- Mexico
- Prior art keywords
- investigation
- search
- doppler effect
- digital receiver
- placement system
- Prior art date
Links
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
- G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
-
- 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
- G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/771,755 US4785463A (en) | 1985-09-03 | 1985-09-03 | Digital global positioning system receiver |
US06/771,754 US4701934A (en) | 1985-09-03 | 1985-09-03 | Method of doppler searching in a digital GPS receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
MX164985B true MX164985B (en) | 1992-10-13 |
Family
ID=27118512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX3618A MX164985B (en) | 1985-09-03 | 1986-09-02 | APPARATUS AND METHOD OF INVESTIGATION OF SEARCH BY DOPPLER EFFECT IN A DIGITAL RECEIVER OF A GLOBAL PLACEMENT SYSTEM |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0235285A1 (en) |
CN (1) | CN1005520B (en) |
AU (1) | AU6597086A (en) |
CA (1) | CA1260120A (en) |
IL (1) | IL79901A0 (en) |
MX (1) | MX164985B (en) |
WO (1) | WO1987001540A1 (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4894662A (en) * | 1982-03-01 | 1990-01-16 | Western Atlas International, Inc. | Method and system for determining position on a moving platform, such as a ship, using signals from GPS satellites |
US4849961A (en) * | 1986-11-21 | 1989-07-18 | Litton Systems, Inc. | Fast sequencing demodulation method and apparatus |
JPH083525B2 (en) * | 1988-10-12 | 1996-01-17 | 日本無線株式会社 | CPS receiver |
JPH073463B2 (en) * | 1989-11-22 | 1995-01-18 | パイオニア株式会社 | Satellite radio wave capturing method of GPS receiver |
US5177490A (en) * | 1989-12-12 | 1993-01-05 | Pioneer Electronic Corporation | Gps satellite signal tracking system for gps receivers |
JPH0738023B2 (en) * | 1990-02-13 | 1995-04-26 | パイオニア株式会社 | Satellite radio wave capturing method of GPS receiver |
US5018165A (en) * | 1990-03-21 | 1991-05-21 | Andrew Corporation | Communication system using spread spectrum and leaky transmission line |
AU643272B2 (en) * | 1990-06-04 | 1993-11-11 | Raytheon Company | Global positioning system receiver |
US5022048A (en) * | 1990-07-26 | 1991-06-04 | Unisys Corp. | Programmable digital frequency-phase discriminator |
US5175557A (en) * | 1991-07-18 | 1992-12-29 | Motorola, Inc. | Two channel global positioning system receiver |
US6023489A (en) * | 1995-05-24 | 2000-02-08 | Leica Geosystems Inc. | Method and apparatus for code synchronization in a global positioning system receiver |
JPH09261128A (en) * | 1996-03-22 | 1997-10-03 | Matsushita Electric Ind Co Ltd | Spread spectrum communication equipment |
US5955986A (en) * | 1997-11-20 | 1999-09-21 | Eagle Eye Technologies, Inc. | Low-power satellite-based geopositioning system |
FI111109B (en) | 1999-12-09 | 2003-05-30 | Nokia Corp | Method for synchronizing a receiver, location system, receiver and electronic device |
FI19992653A (en) | 1999-12-09 | 2001-06-10 | Nokia Mobile Phones Ltd | A method for synchronizing a receiver and a receiver |
US7769076B2 (en) | 2001-05-18 | 2010-08-03 | Broadcom Corporation | Method and apparatus for performing frequency synchronization |
US7567636B2 (en) * | 2001-05-18 | 2009-07-28 | Global Locate, Inc. | Method and apparatus for performing signal correlation using historical correlation data |
JP3738766B2 (en) | 2003-02-25 | 2006-01-25 | ソニー株式会社 | Communication device |
JP3804618B2 (en) | 2003-02-25 | 2006-08-02 | ソニー株式会社 | Communication device |
WO2004077692A1 (en) * | 2003-02-25 | 2004-09-10 | Roke Manor Research Limited | Spread spectrum baseband signal processor with decimation filtering |
US7317752B2 (en) | 2003-07-11 | 2008-01-08 | Samsung Electronics Co., Ltd. | Method and system for locating a GPS correlated peak signal |
CN101051081B (en) * | 2006-04-05 | 2011-02-09 | 中国科学院微电子研究所 | Variable gain high sensitivity GPS receiver baseband frequency tracking method |
US7899126B2 (en) * | 2007-07-27 | 2011-03-01 | Mediatek Inc. | Signal receiver and method for estimating residual doppler frequencies of signals thereof |
JP4650467B2 (en) | 2007-09-26 | 2011-03-16 | セイコーエプソン株式会社 | Time correction device and timing device with time correction device |
EP3488265A1 (en) * | 2016-07-22 | 2019-05-29 | U-blox AG | Global navigation satellite system (gnss) signal tracking |
CN109586761B (en) * | 2018-11-09 | 2022-01-11 | 北京航天万源科技有限公司 | Tracking demodulation method of high dynamic spread spectrum signal |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3548107A (en) * | 1968-04-30 | 1970-12-15 | Webb James E | Signal processing apparatus for multiplex transmission |
US4221005A (en) * | 1979-05-21 | 1980-09-02 | Nasa | Pseudonoise code tracking loop |
US4426712A (en) * | 1981-05-22 | 1984-01-17 | Massachusetts Institute Of Technology | Correlation system for global position receiver |
US4457006A (en) * | 1981-11-16 | 1984-06-26 | Sperry Corporation | Global positioning system receiver |
US4435822A (en) * | 1982-05-19 | 1984-03-06 | Sperry Corporation | Coherent spread spectrum receiving apparatus |
US4494238A (en) * | 1982-06-30 | 1985-01-15 | Motorola, Inc. | Multiple channel data link system |
-
1986
- 1986-08-25 AU AU65970/86A patent/AU6597086A/en not_active Abandoned
- 1986-08-25 EP EP86906510A patent/EP0235285A1/en active Pending
- 1986-08-25 WO PCT/US1986/001765 patent/WO1987001540A1/en unknown
- 1986-08-29 CA CA000517172A patent/CA1260120A/en not_active Expired
- 1986-09-01 IL IL79901A patent/IL79901A0/en not_active IP Right Cessation
- 1986-09-02 MX MX3618A patent/MX164985B/en unknown
- 1986-09-03 CN CN86105364.8A patent/CN1005520B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CN1005520B (en) | 1989-10-18 |
WO1987001540A1 (en) | 1987-03-12 |
CN86105364A (en) | 1987-05-20 |
IL79901A0 (en) | 1986-12-31 |
AU6597086A (en) | 1987-03-24 |
CA1260120A (en) | 1989-09-26 |
EP0235285A1 (en) | 1987-09-09 |
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