FI112284B - Förfarande och anordning för tidsbestämning i ett satellitlokaliseringssystem - Google Patents
Förfarande och anordning för tidsbestämning i ett satellitlokaliseringssystem Download PDFInfo
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- FI112284B FI112284B FI20002281A FI20002281A FI112284B FI 112284 B FI112284 B FI 112284B FI 20002281 A FI20002281 A FI 20002281A FI 20002281 A FI20002281 A FI 20002281A FI 112284 B FI112284 B FI 112284B
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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
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0045—Transmission from base station to mobile station
- G01S5/0063—Transmission from base station to mobile station of measured values, i.e. measurement on base station and position calculation on mobile
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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
- G01S19/09—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing processing capability normally carried out by the receiver
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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
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
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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
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
- G01S19/235—Calibration of receiver components
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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
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
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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
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/246—Acquisition or tracking or demodulation of signals transmitted by the system involving long acquisition integration times, extended snapshots of signals or methods specifically directed towards weak signal acquisition
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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
- G01S19/24—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
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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
- G01S19/24—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
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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
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
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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
- G01S19/38—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
- G01S19/396—Determining accuracy or reliability of position or pseudorange measurements
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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
- G01S19/38—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
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
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- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
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- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
- G04R20/04—Tuning or receiving; Circuits therefor
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- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
- G04R20/06—Decoding time data; Circuits therefor
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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
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/11—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 pseudolites or satellite radio beacon positioning system signal repeaters
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0045—Transmission from base station to mobile station
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radio Relay Systems (AREA)
- Navigation (AREA)
Claims (36)
1. Förfarande för bestämmande av en referens-tid som anknyter sig tili ett satellitnavigeringssy-stem, kännetecknat därav, att förfarandet in-5 nefattar följande steg: uppskattning av en enhets (100, 853) position; ooh bestämmande av den relativa hastigheten av en sa-tellitmängd; kännetecknat därav, att nämnda enhets uppskattade position är uppskattad i 10 förhällande tili nämnda satellitmängd, varvid en för-sta tidsmätning anknyter sig tili nämnda uppskattning, varvid nämnda första tidsmätning och nämnda referens-tid skiljer sig frän varandra i män av en offset; och bestämmande av offset mellan nämnda första tids-15 mätning och nämnda referenstid pä basen av nämnda relativa hastighet av nämnda satellitmängd och nämnda uppskattade position.
2. Förfarande enligt patentkrav 1, kännetecknat därav, att nämnda enhet (100, 853) är en 20 mobil satellitnavigeringssystems(SPS)mottagare.
3. Förfarande enligt patentkrav 1, kanne -tecknat därav, att förfarandet ytterligare inne-fattar ett steg, väri den mer avlägset belägna enheten (17, 701, 725, 825) mottar ett uppskattningsmeddelande « · ; * 25 frän nämnda enhet (100, 853) för att indikera nämnda ; ’ uppskattade position, varvid nämnda mer avlägset be- '·* lägna enhet (17, 701, 725, 825) bestämmer nämnda off- set genom att använda nämnda uppskattningssignal.
4. Förfarande enligt patentkrav 3, k ä n n e - 30 tecknat därav, att förfarandet ytterligare inne- : fattar ett steg, väri nämnda mer avlägset belägna enhet (17, 701, 725, 825) ästadkommer navigeringsinfor- mation, som baserar sig pä nämnda offset, tili nämnda enhet (100, 853). 35
5. Förfarande enligt patentkrav 4, k ä n n e - : tecknat därav, att nämnda navigeringsinformation innefattar nämnda referenstid. 35 112284
6. Förfarande enligt patentkrav 3, kanne-t e c k n a t därav, att förfarandet ytterligare inne-fattar ett steg, väri den mer avlägset belägna enheten (17, 701, 725, 825) bestämmer den relativa hastigheten 5 av nämnda satellitmängd.
7. Förfarande enligt patentkrav 1, k ä n n e -t e c k n a t därav, att förfarandet ytterligare inne-fattar följande steg: en avlägset belägen enhet (17, 701, 725, 825) 10 bestämmer den relativa hastigheten av nämnda satellitmängd ; och nämnda avlägset belägna enhet (17, 701, 725, 825) ästadkommer tili nämnda enhet (100, 853), vilken innefattar en satellitnavigeringssystemmottagare, ät-15 minstone ena av nämnda relativa hastighet och nämnda data som baserar sig pä nämnda relativa hastighet; och varvid nämnda satellitnavigeringssystemsmottagare bestämmer navigeringsinformation pä basen av nämnda ät-minstone ena av nämnda relativa hastighet och nämnda 20 data som baserar sig pä nämnda relativa hastighet.
8. Förfarande enligt patentkrav l, k ä n n e -tecknat därav, att nämnda uppskattade position innefattar ett pseudoavständ i förhällande tili nämnda satellitmängd. , .*25
9. Förfarande enligt patentkrav 1, k ä n n e - ;/ tecknat därav, att förfarandet ytterligare inne- f attar följande steg: '...· en mer avlägset belägen enhet (17, 701, 725, 825. bestämmer nämnda relativa hastighet av nämnda sa-30 tellitmängd; och nämnda mer avlägset belägna enhet (17, 701, 725, 825) ästadkommer navigeringsinformation till nämnda enhet (100, 853) , varvid nämnda navigeringsin- formation baserar sig pä den relativa hastigheten av 35 nämnda satellitmängd. « 112284 3 6
10. Förfarande enligt patentkrav 7 eller 9, kännetecknat därav, att nämnda navigeringsin-formation innefattar nämnda offset.
11. Förfarande enligt nägot av patentkrav 4, 5. eller 9, kännetecknat därav, att nämnda na- vigeringsinformation innefattar läget av nämnda enhet (100, 853) .
12. Förfarande enligt patentkrav 1, kännetecknat därav, att förfarandet ytterligare 10 innefattar följande steg, väri nämnda offset räknas genom att inkludera den relativa hastigheten av nämnda satellitmängd i mängden pseudoavständs restkalkyler.
13. Förfarande enligt patentkrav 12, kän - 15 netecknat därav, att nämnda relativa hastighet representerar den relativa hastigheten mellan nämnda satellitmängd och nämnda enhet (100, 853) .
14. Förfarande enligt patentkrav 12, kännetecknat därav, att nämnda relativa hastighet 20 representerar den relativa hastigheten mellan nämnda enhet (100, 853) och den mer avlägset belägna enheten iiti. (17, 701, 725, 825) . i ·
15. Förfarande enligt patentkrav 12, k ä n -netecknat därav, att förfarandet ytterligare • · » '· 25 innefattar ett steg, väri nämnda pseudoavständs rest- *. : kalkyler upprepas iterätivt genom att använda en ny datamängd.
16. Förfarande enligt patentkrav 15, kännetecknat därav, att var och en av nämnda upp- 30 repade pseudoavständs restkalkyler ästadkommer korrek-tion av nämnda enhets (100, 853) nämnda position och nämnda offset.
^· : 17. Förfarande enligt patentkrav 1 för be- I » «.. stämmande av tid som anknyter sig tili ett satellitna- 35 vigeringssystem, kännetecknat därav, att för-.: farandet ytterligare innefattar följande steg: 37 112284 jämförande av första data av ätminstone en del av satellitmeddelandet som första enheten (17, 701, 725, 825) mottagit med nämnda satellitmeddelan- dets andra data för att bestämma ett första tidsvärde, 5 varvid nämnda satellitmeddelandets andra data motta-gits i en andra enhet (100, 853); och bestämmande av ett andra tidsvärde pä basen av den relativa hastigheten av satellitmängden sä, att ätminstone det ena av nämnda första tidsvärde och 10 nämnda andra tidsvärde indikerar nämnda tid, som anknyter sig tili nämnda satellitnavigeringssystem.
18. Förfarande enligt patentkrav 17, k ä n -netecknat därav, att nämnda första data och nämnda andra data tidsmässigt överlappar varandra ät- 15 minstone tili en del.
19. Förfarande enligt patentkrav 17, k ä n -netecknat därav, att förfarandet ytterligare innefattar steg, väri nämnda andra enhet (100, 853) ästadkommer 20 tili nämnda första enhet (17, 701, 725, 825) nämnda andra data av nämnda satellitmeddelande.
. 20. Förfarande enligt patentkrav 19, k ä n - t · netecknat därav, att nämnda första enhet (17, *’ 701, 725, 825) är en basstation. '! 25
21. Förfarande enligt patentkrav 19, k ä n - t • netecknat därav, att nämnda andra enhet (100, 853) är en mobil satellitnavigeringssystemsmottagare.
22. Förfarande enligt patentkrav 17, kän -netecknat därav, att nämnda bestämmande av 30 nämnda andra tidsvärde pä basen av nämnda relativa hastighet av nämnda satellitmängd innefattar följande steg: ' · bestämmande av ett avständsvärde som anknyter ..· sig till avständet tili var och en satellitmängd; 35 användning av avständsvärdet som anknyter sig . : tili nämnda avständ och av nämnda relativa hastighet 38 1 12284 av nämnda satellitmängd för att bestämma närnnda andra avständsvärde.
23. Förfarande enligt patentkrav 22, kän -netecknat därav, att nämnda avständsvärde mot- 5 svarar pseudoavständets restvärde.
24. Förfarande enligt patentkrav 17, k ä n -netecknat därav, att ätminstone det ena av nämnda första tidsvärde och nämnda andra tidsvärde används för att bestämma 10 positionen av nämnda andra enhet (100, 853).
25. Förfarande enligt patentkrav 24, k ä n - netecknat därav, att förfarandet ytterligare innefattar följande steg: väljande av ett av nämnda första tidsvärde 15 och nämnda andra tidsvärde för att indikera tid som anknyter sig tili nämnda satellitnavigeringssystem.
26. Förfarande enligt patentkrav 17, k ä n - netecknat därav, att nämnda första tidsvärde bestäms ätminstone tili en del genom att använda nämn- 20 da andra tidsvärde.
27. Anordning för bestämmande av en referens- . tid som anknyter sig tili ett satellitnavigeringssy- • # stem, vilken nämnda anordning innefattar: en lagringsenhet (9, 707, 733) för lagring av i 25 positionsvärdemängden; och • en processeringsenhet (10, 705, 727), vilken : är kopplad tili nämnda lagringsenhet (19, 707, 733) : för att bestämma offset; kännetecknad därav, att: 30 nämnda positionsvärden indikerar enhetens (100, 853) relativa position jämfört med satellitmäng-den, : att var och en av nämnda positionsvärdemängd är anknuten tili en mättid, vilken skiljer sig frän , 35 nämnda referenstid i män av offset; och - » 39 1 12284 att nämnda offset bestäms pä basen av nämnda positionsvärdemängd tillsammans med ett estimat av den relativa hastigheten av var och en satellitmängd.
28. Anordning enligt patentkrav 27, k ä n -5 netecknad därav, att nämnda positionsvärden in- dikerar den relativa positionen mellan nämnda satellitmängd och satellitnavigeringssystemsmottagaren (100, 853) .
29. Anordning enligt patentkrav 27, k ä n -10 netecknad därav, att nämnda lagringsenhet (107, 133. och nämnda processeringsenhet (705, 727) är pla- cerade i en basstation (17, 701, 725, 825), och varvid nämnda basstation ytterligare innefattar: en datakommunikationslänk (14a, 710, 731, 15 859) för att ästadkomma navigeringsinformation pä ba sen av nämnda offset som bestämts till nämnda satel-litnavigeringssystemsmottagare (100, 853).
30. Anordning enligt patentkrav 29, k ä n -netecknad därav, att nämnda navigeringsinforma- 20 tion innefattar läget av nämnda satellitnavigeringssy-stemsmottagare (100, 853).
. 31. Anordning enligt patentkrav 29, k ä n - netecknad därav, att nämnda navigeringsinforma-·[ tion innefattar nämnda relativa hastighet av var och - : 25 en nämnda satellitmängd.
: 32. Anordning enligt patentkrav 29, k ä n - r netecknad därav, att nämnda navigeringsinforma- •\ : tion innefattar avständet mellan var och en nämnda sa tellitmängd och nämnda säteilitnavigeringssystemsmott-'· ; 30 agare (100, 853) .
" . 33. Anordning enligt patentkrav 27, k ä n - netecknad därav, att anordningen ytterligare : : innefattar en sändare (709), vilken är kopplad till ' nämnda processor (10, 705, 727) för att tilläta trans- 35 mission av information till en enhet (17, 701, 725, 825) . 40 112284
34. Anordning enligt patentkrav 33, kän -netecknad därav, att anordningen ytterligare innefattar en mobil satellitnavigeringssystemsmottaga-re (100, 853) .
35. Anordning enligt patentkrav 34, k ä n - netecknad därav, att nämnda enhet (17, 701, 725, 825) innefattar en basstation för att motta nämnda information frän nämnda satellitnavigeringssystems-mottagare (100, 853).
36. Anordning enligt patentkrav 35, kän - netecknad därav, att nämnda information innefattar värden som anknyter sig till pseudoavständ mel-lan nämnda satellitmängd och nämnda satellitnavige-ringssystemsmottagare (100, 853).
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US09/062,232 US6215442B1 (en) | 1997-02-03 | 1998-04-16 | Method and apparatus for determining time in a satellite positioning system |
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PCT/US1999/007974 WO1999053338A2 (en) | 1998-04-16 | 1999-04-12 | Method and apparatus for determining time in a satellite positioning system |
US9907974 | 1999-04-12 |
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FI20030982A FI114343B (sv) | 1998-04-16 | 2003-06-30 | Förfarande och anordning för tidsbestämning i ett satellitbaserat positioneringssystem |
FI20040410A FI116321B (sv) | 1998-04-16 | 2004-03-17 | Förfarande och anordning för bestämning av tid ett satellitpositionsbestämningssystem |
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FI20030982A FI114343B (sv) | 1998-04-16 | 2003-06-30 | Förfarande och anordning för tidsbestämning i ett satellitbaserat positioneringssystem |
FI20040410A FI116321B (sv) | 1998-04-16 | 2004-03-17 | Förfarande och anordning för bestämning av tid ett satellitpositionsbestämningssystem |
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KR (2) | KR100749712B1 (sv) |
CN (2) | CN1208631C (sv) |
AT (4) | ATE496312T1 (sv) |
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