IL154972A0 - Mobile-assisted network based techniques for improving accuracy of wireless location system - Google Patents

Mobile-assisted network based techniques for improving accuracy of wireless location system

Info

Publication number
IL154972A0
IL154972A0 IL15497201A IL15497201A IL154972A0 IL 154972 A0 IL154972 A0 IL 154972A0 IL 15497201 A IL15497201 A IL 15497201A IL 15497201 A IL15497201 A IL 15497201A IL 154972 A0 IL154972 A0 IL 154972A0
Authority
IL
Israel
Prior art keywords
wireless
transmission
length
accuracy
location
Prior art date
Application number
IL15497201A
Other languages
English (en)
Original Assignee
Trueposition Inc
Massachusetts Inst Technology
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 Trueposition Inc, Massachusetts Inst Technology filed Critical Trueposition Inc
Publication of IL154972A0 publication Critical patent/IL154972A0/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • 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
    • G01S5/0205—Details
    • G01S5/021—Calibration, monitoring or correction
    • 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
    • G01S5/0205—Details
    • G01S5/0215—Interference
    • 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
    • G01S5/0273—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 using multipath or indirect path propagation signals in position determination
    • 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
    • G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/50—Connection management for emergency connections
    • 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
    • G01S1/02—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 using radio waves
    • G01S1/022—Means for monitoring or calibrating
    • G01S1/026—Means for monitoring or calibrating of associated receivers
    • 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
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001—Transmission of position information to remote stations
    • G01S2205/006—Transmission of position information to remote stations for emergency situations
    • 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
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001—Transmission of position information to remote stations
    • G01S2205/008—Transmission of position information to remote stations using a mobile telephone network

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
IL15497201A 2000-10-03 2001-06-26 Mobile-assisted network based techniques for improving accuracy of wireless location system IL154972A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/679,228 US6463290B1 (en) 1999-01-08 2000-10-03 Mobile-assisted network based techniques for improving accuracy of wireless location system
PCT/US2001/020626 WO2002030089A2 (en) 2000-10-03 2001-06-27 Mobile-assisted network based techniques for improving accuracy of wireless location system

Publications (1)

Publication Number Publication Date
IL154972A0 true IL154972A0 (en) 2003-10-31

Family

ID=24726079

Family Applications (2)

Application Number Title Priority Date Filing Date
IL15497201A IL154972A0 (en) 2000-10-03 2001-06-26 Mobile-assisted network based techniques for improving accuracy of wireless location system
IL154972A IL154972A (en) 2000-10-03 2003-03-18 Techniques based on a communication network with the help of a mobile unit to improve the accuracy of a wireless location system

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL154972A IL154972A (en) 2000-10-03 2003-03-18 Techniques based on a communication network with the help of a mobile unit to improve the accuracy of a wireless location system

Country Status (14)

Country Link
US (1) US6463290B1 (zh)
EP (1) EP1327312B8 (zh)
KR (1) KR100799007B1 (zh)
CN (1) CN100454772C (zh)
AT (1) ATE323387T1 (zh)
AU (1) AU2001270237A1 (zh)
BR (1) BR0114518A (zh)
CA (1) CA2423913C (zh)
DE (1) DE60118765T2 (zh)
ES (1) ES2261431T3 (zh)
GB (1) GB2384953B (zh)
IL (2) IL154972A0 (zh)
MX (1) MXPA03002810A (zh)
WO (1) WO2002030089A2 (zh)

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GB0307730D0 (en) 2003-05-07
WO2002030089A2 (en) 2002-04-11
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GB2384953A (en) 2003-08-06
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