WO2006012554A3 - System, method, and apparatus for determining and using the position of wireless devices or infrastructure for wireless network enhancements - Google Patents

System, method, and apparatus for determining and using the position of wireless devices or infrastructure for wireless network enhancements Download PDF

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Publication number
WO2006012554A3
WO2006012554A3 PCT/US2005/026151 US2005026151W WO2006012554A3 WO 2006012554 A3 WO2006012554 A3 WO 2006012554A3 US 2005026151 W US2005026151 W US 2005026151W WO 2006012554 A3 WO2006012554 A3 WO 2006012554A3
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WO
WIPO (PCT)
Prior art keywords
lookup tables
wireless
measured
wireless devices
channel characteristics
Prior art date
Application number
PCT/US2005/026151
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French (fr)
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WO2006012554A2 (en
Inventor
Theodore S Rappaport
Roger S Skidmore
Veera Anantha
Eric Reifsnider
Original Assignee
Wireless Valley Comm 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 Wireless Valley Comm Inc filed Critical Wireless Valley Comm Inc
Priority to DE112005001761T priority Critical patent/DE112005001761T5/en
Publication of WO2006012554A2 publication Critical patent/WO2006012554A2/en
Publication of WO2006012554A3 publication Critical patent/WO2006012554A3/en

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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
    • G01S5/0252Radio frequency fingerprinting
    • G01S5/02521Radio frequency fingerprinting using a radio-map
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]

Abstract

A system and method for estimating the position of wireless devices within a wireless communication network combines measured RF channel characteristics for the wireless device with one or more predicted performance lookup tables, each of which correlates an RF channel characteristic to some higher order network performance metric and/or a position within an environmental model. Measured RF channel characteristics for wireless devices are compared against the performance lookup tables to determine the sent of lookup tables that most closely match the measured RF channel characteristics. The positions within the environmental model corresponding to the selected set of matching lookup tables are identified as possible locations for the wireless device. The performance lookup tables are uniquely constructed by site-specific location, technology, wireless standard, and equipment types, and/or the current operating state of the communications network.
PCT/US2005/026151 2004-07-23 2005-07-22 System, method, and apparatus for determining and using the position of wireless devices or infrastructure for wireless network enhancements WO2006012554A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112005001761T DE112005001761T5 (en) 2004-07-23 2005-07-22 A system, method and apparatus for determining and using a location of wireless devices or a wireless network enhancement infrastructure

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US59051804P 2004-07-23 2004-07-23
US60/590,518 2004-07-23
US64848105P 2005-01-31 2005-01-31
US60/648,481 2005-01-31

Publications (2)

Publication Number Publication Date
WO2006012554A2 WO2006012554A2 (en) 2006-02-02
WO2006012554A3 true WO2006012554A3 (en) 2009-04-09

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PCT/US2005/026151 WO2006012554A2 (en) 2004-07-23 2005-07-22 System, method, and apparatus for determining and using the position of wireless devices or infrastructure for wireless network enhancements

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Country Link
US (1) US8019352B2 (en)
KR (1) KR20070089119A (en)
DE (1) DE112005001761T5 (en)
WO (1) WO2006012554A2 (en)

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