EP1949126A4 - Method and apparatus for reconstructing time of transit from assisted or weak signal gps observations - Google Patents
Method and apparatus for reconstructing time of transit from assisted or weak signal gps observationsInfo
- Publication number
- EP1949126A4 EP1949126A4 EP06788960A EP06788960A EP1949126A4 EP 1949126 A4 EP1949126 A4 EP 1949126A4 EP 06788960 A EP06788960 A EP 06788960A EP 06788960 A EP06788960 A EP 06788960A EP 1949126 A4 EP1949126 A4 EP 1949126A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- transit
- assisted
- weak signal
- signal gps
- gps observations
- 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.)
- Withdrawn
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
- G01S19/25—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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70363705P | 2005-07-29 | 2005-07-29 | |
PCT/US2006/029702 WO2007016474A2 (en) | 2005-07-29 | 2006-07-28 | Method and apparatus for reconstructing time of transit from assisted or weak signal gps observations |
US11/460,784 US20070024500A1 (en) | 2005-07-29 | 2006-07-28 | Method and apparatus for reconstructing time of transmit from assisted or weak signal gps observations |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1949126A2 EP1949126A2 (en) | 2008-07-30 |
EP1949126A4 true EP1949126A4 (en) | 2010-09-29 |
Family
ID=37709274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06788960A Withdrawn EP1949126A4 (en) | 2005-07-29 | 2006-07-28 | Method and apparatus for reconstructing time of transit from assisted or weak signal gps observations |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1949126A4 (en) |
CA (1) | CA2617142A1 (en) |
WO (1) | WO2007016474A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8190536B2 (en) | 2008-09-10 | 2012-05-29 | King Fahd University Of Petroleum & Minerals | Method of performing parallel search optimization |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6072428A (en) * | 1998-06-03 | 2000-06-06 | Trimble Navigation Limited | Location determination using doppler and pseudorange measurements from fewer than four satellites |
US6215442B1 (en) * | 1997-02-03 | 2001-04-10 | Snaptrack, Inc. | Method and apparatus for determining time in a satellite positioning system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6411899B2 (en) * | 1996-10-24 | 2002-06-25 | Trimble Navigation Ltd. | Position based personal digital assistant |
US6633621B1 (en) * | 2000-03-20 | 2003-10-14 | Motorola, Inc. | Apparatus and method for synchronizing a clock using a phase-locked loop circuit |
US6658048B1 (en) * | 2000-04-07 | 2003-12-02 | Nokia Mobile Phones, Ltd. | Global positioning system code phase detector with multipath compensation and method for reducing multipath components associated with a received signal |
-
2006
- 2006-07-28 EP EP06788960A patent/EP1949126A4/en not_active Withdrawn
- 2006-07-28 CA CA002617142A patent/CA2617142A1/en not_active Abandoned
- 2006-07-28 WO PCT/US2006/029702 patent/WO2007016474A2/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6215442B1 (en) * | 1997-02-03 | 2001-04-10 | Snaptrack, Inc. | Method and apparatus for determining time in a satellite positioning system |
US6072428A (en) * | 1998-06-03 | 2000-06-06 | Trimble Navigation Limited | Location determination using doppler and pseudorange measurements from fewer than four satellites |
Also Published As
Publication number | Publication date |
---|---|
CA2617142A1 (en) | 2007-02-08 |
WO2007016474A2 (en) | 2007-02-08 |
WO2007016474A9 (en) | 2007-04-19 |
EP1949126A2 (en) | 2008-07-30 |
WO2007016474A3 (en) | 2007-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI315617B (en) | Method of suppression for gps signal and associated gps receiver | |
GB2422064A8 (en) | Method and apparatus for iterative detection of toa ranging signal | |
GB2443226B (en) | Method and apparatus for locating the source of an unknown signal | |
WO2007120317A8 (en) | Method and system for signal reconstruction from spatially and temporally correlated received samples | |
EP2013871A4 (en) | Method for the time scaling of an audio signal | |
HK1120308A1 (en) | Method and apparatus for enhanced autonomous gps | |
GB2427275B (en) | Method and apparatus for generating acoustic signals for lwd shear velocity measurement | |
TWI341659B (en) | Method and apparatus for accelerating correlation processing of gps signal | |
EP1809170A4 (en) | Method and system for cardiac signal decomposition | |
EP1946298A4 (en) | Method and apparatus for signal processing | |
AU2008208624A8 (en) | Methods and apparatus for the selective removal of constituents from aqueous tobacco extracts | |
IL175465A0 (en) | Pulse doppler coherent method and system for snr enhancement | |
EP1899958A4 (en) | Method and apparatus for decoding an audio signal | |
GB0603131D0 (en) | Distributed language processing system and method of outputting intermediary signal thereof | |
GB2440644B (en) | Method and apparatus for estimating behaviors of vehicle usings GPS signals | |
EP1910795A4 (en) | System and methods for non-destructive testing of tubular systems | |
FI20055260A0 (en) | Apparatus, system and method for receiving or reproducing acoustic signals | |
EP1745745B8 (en) | Apparatus for obtaining ultrasonic images and method of obtaining ultrasonic images | |
GB2429596B (en) | Method and system for determining the motion of an imaging apparatus | |
EP1932255A4 (en) | Method of acquiring initial gps signal in broadcasting system and system using the method | |
EP1938312A4 (en) | Method and apparatus for decoding an audio signal | |
EP1876171A4 (en) | Apparatus for urea synthesis and method of improving the same | |
HK1097662A1 (en) | Method and apparatus for preserving an audio signal | |
IL183428A0 (en) | Method and system for degimbalization of vehicla navigation data | |
EP2210254A4 (en) | Method and apparatus for transmitting and receiving of the object-based audio contents |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080528 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20100826 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: G01S 19/42 20100101ALI20100820BHEP Ipc: G01S 5/14 20060101AFI20070413BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20100803 |