CA2487477A1 - Method for determining proximity of devices in a wireless network - Google Patents

Method for determining proximity of devices in a wireless network Download PDF

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Publication number
CA2487477A1
CA2487477A1 CA002487477A CA2487477A CA2487477A1 CA 2487477 A1 CA2487477 A1 CA 2487477A1 CA 002487477 A CA002487477 A CA 002487477A CA 2487477 A CA2487477 A CA 2487477A CA 2487477 A1 CA2487477 A1 CA 2487477A1
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CA
Canada
Prior art keywords
network
wireless network
network characteristics
devices
proximity
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.)
Granted
Application number
CA002487477A
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French (fr)
Other versions
CA2487477C (en
Inventor
Jean-Luc Meunier
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.)
Xerox Corp
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Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of CA2487477A1 publication Critical patent/CA2487477A1/en
Application granted granted Critical
Publication of CA2487477C publication Critical patent/CA2487477C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/14—Mobility data transfer between corresponding nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Abstract

In a wireless network, two or more devices can determine how close they are from one another in a peer-to-peer way, by exchanging the network characteristics the y observe in real time. A method for determining device proximity in a wireless network, includes characterizing at a first device any detected wireless network radio signals ; receiving any broadcast network characteristics from at least one other device on the network; comparing the first device network characteristics with the received network characteristics from the at least one other device on the network; if the network characteristics are within a predetermined relationship, the first device and the at least one other devi ce are in proximity with one another. Network characteristics may include signal strength, noise level and MAC address of the transmitting device. The method eliminates the need to calibrate WiFi signal strength as a function of location in a particular area.
CA002487477A 2003-11-21 2004-11-15 Method for determining proximity of devices in a wireless network Expired - Fee Related CA2487477C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/719,420 2003-11-21
US10/719,420 US7129891B2 (en) 2003-11-21 2003-11-21 Method for determining proximity of devices in a wireless network

Publications (2)

Publication Number Publication Date
CA2487477A1 true CA2487477A1 (en) 2005-05-21
CA2487477C CA2487477C (en) 2009-05-12

Family

ID=34435809

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002487477A Expired - Fee Related CA2487477C (en) 2003-11-21 2004-11-15 Method for determining proximity of devices in a wireless network

Country Status (7)

Country Link
US (1) US7129891B2 (en)
EP (1) EP1534037B1 (en)
JP (1) JP4791026B2 (en)
CN (1) CN100561252C (en)
BR (1) BRPI0405085A (en)
CA (1) CA2487477C (en)
DE (1) DE602004008555T2 (en)

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Also Published As

Publication number Publication date
CN1619334A (en) 2005-05-25
JP2005160070A (en) 2005-06-16
EP1534037B1 (en) 2007-08-29
CN100561252C (en) 2009-11-18
DE602004008555T2 (en) 2007-12-27
EP1534037A1 (en) 2005-05-25
CA2487477C (en) 2009-05-12
DE602004008555D1 (en) 2007-10-11
JP4791026B2 (en) 2011-10-12
US7129891B2 (en) 2006-10-31
BRPI0405085A (en) 2005-07-19
US20050113107A1 (en) 2005-05-26

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Effective date: 20191115