ATE389304T1 - Modifiziertes übertragungsverfahren zur verbesserung der genauigkeit für e-911-anrufe - Google Patents

Modifiziertes übertragungsverfahren zur verbesserung der genauigkeit für e-911-anrufe

Info

Publication number
ATE389304T1
ATE389304T1 AT01918894T AT01918894T ATE389304T1 AT E389304 T1 ATE389304 T1 AT E389304T1 AT 01918894 T AT01918894 T AT 01918894T AT 01918894 T AT01918894 T AT 01918894T AT E389304 T1 ATE389304 T1 AT E389304T1
Authority
AT
Austria
Prior art keywords
wireless
wireless transmitter
digits
sequence
length
Prior art date
Application number
AT01918894T
Other languages
English (en)
Inventor
Louis Stilp
Robert Anderson
Joseph Sheehan
Original Assignee
Trueposition 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 Trueposition Inc filed Critical Trueposition Inc
Application granted granted Critical
Publication of ATE389304T1 publication Critical patent/ATE389304T1/de

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
    • G01S5/06—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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Steroid Compounds (AREA)
  • Radio Transmission System (AREA)
AT01918894T 2000-03-31 2001-03-22 Modifiziertes übertragungsverfahren zur verbesserung der genauigkeit für e-911-anrufe ATE389304T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/541,888 US6334059B1 (en) 1999-01-08 2000-03-31 Modified transmission method for improving accuracy for e-911 calls

Publications (1)

Publication Number Publication Date
ATE389304T1 true ATE389304T1 (de) 2008-03-15

Family

ID=24161512

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01918894T ATE389304T1 (de) 2000-03-31 2001-03-22 Modifiziertes übertragungsverfahren zur verbesserung der genauigkeit für e-911-anrufe

Country Status (14)

Country Link
US (3) US6334059B1 (de)
EP (1) EP1275209B1 (de)
JP (1) JP4971573B2 (de)
KR (1) KR100735001B1 (de)
CN (1) CN1327634C (de)
AT (1) ATE389304T1 (de)
AU (1) AU2001245917A1 (de)
BR (1) BR0107538A (de)
CA (1) CA2403039C (de)
DE (1) DE60133185D1 (de)
GB (1) GB2377863B (de)
IL (2) IL151754A0 (de)
MX (1) MXPA02009450A (de)
WO (1) WO2001076093A1 (de)

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US6334059B1 (en) 2001-12-25
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IL151754A0 (en) 2003-04-10
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