BRPI0409676A - sistema e método para obter dados de assistência de aquisição de sinal - Google Patents

sistema e método para obter dados de assistência de aquisição de sinal

Info

Publication number
BRPI0409676A
BRPI0409676A BRPI0409676-2A BRPI0409676A BRPI0409676A BR PI0409676 A BRPI0409676 A BR PI0409676A BR PI0409676 A BRPI0409676 A BR PI0409676A BR PI0409676 A BRPI0409676 A BR PI0409676A
Authority
BR
Brazil
Prior art keywords
data
acquisition assistance
validity
signal acquisition
assistance data
Prior art date
Application number
BRPI0409676-2A
Other languages
English (en)
Inventor
Peter Gaal
Leonid Sheynblat
Christopher Patrick
Thomas Wyatt Riley
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0409676A publication Critical patent/BRPI0409676A/pt

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
    • 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
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • 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
    • G01S19/254—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 Doppler shift of satellite signals
    • 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
    • G01S19/01—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
    • G01S19/27—Acquisition or tracking or demodulation of signals transmitted by the system creating, predicting or correcting ephemeris or almanac data within the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

"SISTEMA E MéTODO PARA OBTER DADOS DE ASSISTêNCIA DE AQUISIçãO DE SINAL". Dados de assistência de aquisição de sinal são obtidos para dispositivos receptores, tais como dispositivos de localização de posição assistidos sem fio (208, 210) que buscam sinais de qualquer fonte (B1-B10), como veículos de satélite e estações base. Os dados podem ser obtidos a partir de dados adquiridos anteriormente, com base na avaliação das alterações nos parâmetros, tais como tempo e localização, que possam por em risco a validade. Em alguns casos, os dados podem ser ajustados para as alterações nos parâmetros. Dados refinados podem ser calculados pelo receptor utilizando medições parciais de conjuntos de sinais, sobretudo se os dados de assistência de aquisição fornecidos por uma entidade remota incluírem parâmetros mais distintos que os foram tipicamente fornecidos. Não é necessário obter novos dados até que a validade dos dados anteriores expire devido às limitações sobre a extrapolação temporal utilizando-se coeficientes Doppler, a menos que o movimento da estação móvel que não pode ser compensado seja detectado e ponha em risco a validade dos dados anteriores.
BRPI0409676-2A 2003-04-25 2004-04-02 sistema e método para obter dados de assistência de aquisição de sinal BRPI0409676A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46537103P 2003-04-25 2003-04-25
US46725803P 2003-04-30 2003-04-30
PCT/US2004/010305 WO2004097445A2 (en) 2003-04-25 2004-04-02 System and method to obtain signal acquisition assistance data

Publications (1)

Publication Number Publication Date
BRPI0409676A true BRPI0409676A (pt) 2006-04-18

Family

ID=33423558

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0409676-2A BRPI0409676A (pt) 2003-04-25 2004-04-02 sistema e método para obter dados de assistência de aquisição de sinal

Country Status (10)

Country Link
US (5) US8031113B2 (pt)
EP (4) EP2204666A3 (pt)
JP (6) JP2006524819A (pt)
KR (2) KR101160855B1 (pt)
CN (5) CN102540212B (pt)
BR (1) BRPI0409676A (pt)
CA (1) CA2522919C (pt)
MX (1) MXPA05011534A (pt)
RU (2) RU2365933C2 (pt)
WO (1) WO2004097445A2 (pt)

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EP1618406A2 (en) 2006-01-25
CN103792554A (zh) 2014-05-14
MXPA05011534A (es) 2006-01-23
EP2527862A2 (en) 2012-11-28
KR20060008923A (ko) 2006-01-27
CA2522919C (en) 2012-08-21
JP2012247434A (ja) 2012-12-13
JP2014112091A (ja) 2014-06-19
CA2522919A1 (en) 2004-11-11
EP2204666A3 (en) 2010-11-17
US20120038510A1 (en) 2012-02-16
KR20110032005A (ko) 2011-03-29
US8711036B2 (en) 2014-04-29
US20120040689A1 (en) 2012-02-16
US20120220294A1 (en) 2012-08-30
RU2009118023A (ru) 2010-11-20
CN103792555A (zh) 2014-05-14
JP5628060B2 (ja) 2014-11-19
CN1798983A (zh) 2006-07-05
CN103792553A (zh) 2014-05-14
WO2004097445A2 (en) 2004-11-11
CN1798983B (zh) 2011-12-07
RU2488134C2 (ru) 2013-07-20
JP2012252015A (ja) 2012-12-20
EP1618406A4 (en) 2009-09-09
CN102540212A (zh) 2012-07-04
KR101160855B1 (ko) 2012-07-02
JP5628249B2 (ja) 2014-11-19
EP2428812B1 (en) 2013-06-19
CN103792555B (zh) 2017-01-04
US8692711B2 (en) 2014-04-08
EP2204666A2 (en) 2010-07-07
RU2365933C2 (ru) 2009-08-27
JP2015121548A (ja) 2015-07-02
US8031113B2 (en) 2011-10-04
US8432312B2 (en) 2013-04-30
EP2527862B1 (en) 2016-11-23
EP2527862A3 (en) 2013-06-26
CN103792553B (zh) 2017-06-23
US8519887B2 (en) 2013-08-27
KR101098805B1 (ko) 2011-12-26
CN102540212B (zh) 2015-11-25
US20070275734A1 (en) 2007-11-29
WO2004097445A3 (en) 2005-06-09
JP2011141282A (ja) 2011-07-21
EP2428812A1 (en) 2012-03-14
JP2006524819A (ja) 2006-11-02
JP5628248B2 (ja) 2014-11-19
US20120040668A1 (en) 2012-02-16
RU2005136661A (ru) 2006-05-10
CN103792554B (zh) 2019-07-19

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