WO2005012937A1 - Procede pour determiner par satellite la position d'une station d'abonne, station d'abonne, dispositif et programme informatique - Google Patents

Procede pour determiner par satellite la position d'une station d'abonne, station d'abonne, dispositif et programme informatique Download PDF

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Publication number
WO2005012937A1
WO2005012937A1 PCT/EP2004/051281 EP2004051281W WO2005012937A1 WO 2005012937 A1 WO2005012937 A1 WO 2005012937A1 EP 2004051281 W EP2004051281 W EP 2004051281W WO 2005012937 A1 WO2005012937 A1 WO 2005012937A1
Authority
WO
WIPO (PCT)
Prior art keywords
subscriber station
satellites
position determination
signals
information
Prior art date
Application number
PCT/EP2004/051281
Other languages
German (de)
English (en)
Inventor
Volker Sommer
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2005012937A1 publication Critical patent/WO2005012937A1/fr

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
    • 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
    • G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
    • 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
    • G01S19/50—Determining position whereby the position solution is constrained to lie upon a particular curve or surface, e.g. for locomotives on railway tracks
    • 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
    • G01S19/34—Power consumption
    • 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
    • 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
    • G01S5/0054—Transmission from base station to mobile station of actual mobile position, i.e. position calculation on base station

Definitions

  • assisted GPS Positioning Satellites
  • the subscriber station only has to carry out runtime measurements by receiving so-called pseudoranges to several satellites.
  • pseudoranges comes from the fact that, due to the limited length of the CDMA sequences of the satellite signals, the runtime between the satellites and the subscriber station is known only modulo 1ms.
  • further information is required to determine the position, for example the navigation data (almanac and ephemeris data) of the satellites.
  • the communication system determines, this requires that a reference receiver is installed in each radio coverage area of the radio communication system, which determines the GPS time and used for subscriber stations that are located in this radio coverage area.
  • the object of the invention is a method for satellite-based position determination of a subscriber station and one
  • the subscriber station receives information from a device of a radio communication system, from which number of satellites the subscriber station is to receive signals for its position determination, and the subscriber station receives only the specified number of satellites. appropriate signals for a subsequent position determination.
  • the information enables the subscriber station to use exactly the same amount of energy and measurement time for position determination 2003P11536
  • Radio cells of a radio communication system or to specify an individual number of satellites for each position determination.
  • the subscriber station whenever it does not receive the information prior to a position determination to be carried out, signals for position determination from an im predetermined number of satellites. This ensures that a position can be determined in any case.
  • the predetermined number can be five satellites.
  • the coordinates of the subscriber station ie. H. the geographical longitude, latitude and height as well as the time of transmission and reception of the signals from the satellites are calculated.
  • the number of satellites to be received depends on at least one item of additional information known for a radio coverage area of the radio communication system, the subscriber station being located in the radio coverage area.
  • a radio coverage area for example, a radio cell of a mobile radio system or generally that area is closed 2003P11536
  • the second subscriber station UE2 receives four signals S ⁇ , S7, S8, S9 from four satellites SAT2, SAT3, SAT4, SAT5 after evaluating the information I.
  • the calculation of their position is then carried out either by the second subscriber station UE2 itself or by the positioning unit SMLC.
  • the second subscriber station UE2 transmits all the data obtained from the signals from the satellites for the position determination, for example the time of reception of the signals and pseudoranges determined by correlation measurements, to the positioning unit SMLC.
  • each of the conditions mentioned can determine the number of satellites required for a position determination.

Abstract

L'invention concerne un procédé pour déterminer par satellite la position d'une station d'abonné (UE2), selon lequel la station d'abonné (UE2) reçoit une information (I) d'un dispositif (SMLC) du système de communication radio, cette information indiquant le nombre de satellites dont la station d'abonné (UE2) doit recevoir des signaux (S6, S7, S8, S9) pour déterminer sa position, ladite station d'abonné (UE2) ne recevant des signaux (S6, S7, S8, S9) correspondants que des satellites dénombrés pour la détermination de position suivante.
PCT/EP2004/051281 2003-08-01 2004-06-29 Procede pour determiner par satellite la position d'une station d'abonne, station d'abonne, dispositif et programme informatique WO2005012937A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10335318.6 2003-08-01
DE10335318 2003-08-01

Publications (1)

Publication Number Publication Date
WO2005012937A1 true WO2005012937A1 (fr) 2005-02-10

Family

ID=34111839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/051281 WO2005012937A1 (fr) 2003-08-01 2004-06-29 Procede pour determiner par satellite la position d'une station d'abonne, station d'abonne, dispositif et programme informatique

Country Status (1)

Country Link
WO (1) WO2005012937A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236937B1 (en) * 1996-04-25 2001-05-22 Sirf Technology, Inc. GPS receiver with cross-track hold
US6353412B1 (en) * 1998-03-17 2002-03-05 Qualcomm, Incorporated Method and apparatus for determining position location using reduced number of GPS satellites and synchronized and unsynchronized base stations

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236937B1 (en) * 1996-04-25 2001-05-22 Sirf Technology, Inc. GPS receiver with cross-track hold
US6353412B1 (en) * 1998-03-17 2002-03-05 Qualcomm, Incorporated Method and apparatus for determining position location using reduced number of GPS satellites and synchronized and unsynchronized base stations

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SHAOJUN FENG ET AL: "Assisted GPS and its impact on naivigation in intelligent transportation systems", IEEE 5TH INTERNATIONAL CONFERENCE ON INTELLIGENT TRANSPORTATION SYSTEMS, 3 September 2002 (2002-09-03), pages 926 - 931, XP010608417 *

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