DE60133185D1 - 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
DE60133185D1
DE60133185D1 DE60133185T DE60133185T DE60133185D1 DE 60133185 D1 DE60133185 D1 DE 60133185D1 DE 60133185 T DE60133185 T DE 60133185T DE 60133185 T DE60133185 T DE 60133185T DE 60133185 D1 DE60133185 D1 DE 60133185D1
Authority
DE
Germany
Prior art keywords
wireless
wireless transmitter
digits
sequence
length
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60133185T
Other languages
English (en)
Inventor
Louis A Stilp
Robert J Anderson
Joseph W Sheehan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skyhook Holding Inc
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 DE60133185D1 publication Critical patent/DE60133185D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-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
    • G01S5/0205Details
    • G01S5/021Calibration, monitoring or correction
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-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
    • G01S5/06Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/50Connection management for emergency connections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • G01S1/022Means for monitoring or calibrating
    • G01S1/026Means for monitoring or calibrating of associated receivers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S2205/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001Transmission of position information to remote stations
    • G01S2205/006Transmission of position information to remote stations for emergency situations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S2205/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001Transmission of position information to remote stations
    • G01S2205/008Transmission of position information to remote stations using a mobile telephone network
DE60133185T 2000-03-31 2001-03-22 Modifiziertes übertragungsverfahren zur verbesserung der genauigkeit für e-911-anrufe Expired - Lifetime DE60133185D1 (de)

Applications Claiming Priority (2)

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
PCT/US2001/009078 WO2001076093A1 (en) 2000-03-31 2001-03-22 Modified transmission method for improving accuracy for e-911 calls

Publications (1)

Publication Number Publication Date
DE60133185D1 true DE60133185D1 (de) 2008-04-24

Family

ID=24161512

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60133185T Expired - Lifetime DE60133185D1 (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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AU2001245917A1 (en) 2001-10-15
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CN1327634C (zh) 2007-07-18
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US6519465B2 (en) 2003-02-11
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GB0222646D0 (en) 2002-11-06
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US20030064734A1 (en) 2003-04-03

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