IN2015MN00112A - - Google Patents

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Publication number
IN2015MN00112A
IN2015MN00112A IN112MUN2015A IN2015MN00112A IN 2015MN00112 A IN2015MN00112 A IN 2015MN00112A IN 112MUN2015 A IN112MUN2015 A IN 112MUN2015A IN 2015MN00112 A IN2015MN00112 A IN 2015MN00112A
Authority
IN
India
Prior art keywords
mobile device
fixed location
wap
boundary
rtt
Prior art date
Application number
Inventor
Praveen Dua
Lionel Jacques Garin
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2015MN00112A publication Critical patent/IN2015MN00112A/en

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Classifications

    • 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
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/876—Combination of several spaced transponders or reflectors of known location for determining the position of a receiver
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • 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
    • H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Techniques for determining whether a mobile device crosses a boundary defined by a first wireless access point (WAP) and a second fixed location WAP are provided. A method according to these techniques includes receiving at a mobile device information defining a boundary defined by first and second fixed location WAPs the boundary being defined at least in part based on a ratio of a round trip time (RTT) between the mobile device and the first fixed location WAP to a ratio of a RTT between the mobile device and the second fixed location WAP determining the ratio of the RTT between the mobile device and the first fixed location WAP to a ratio of the RTT between the mobile device and the second fixed location WAP determining whether the mobile device has crossed the boundary and triggering an event in response to the mobile device crossing the boundary.
IN112MUN2015 2012-07-20 2013-06-06 IN2015MN00112A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261674081P 2012-07-20 2012-07-20
US13/594,363 US8933776B2 (en) 2012-07-20 2012-08-24 Relative positioning applications in wireless devices
US13/758,531 US20140022920A1 (en) 2012-07-20 2013-02-04 Relative positioning applications in wireless devices
PCT/US2013/044463 WO2014014572A2 (en) 2012-07-20 2013-06-06 Relative positioning applications in wireless devices

Publications (1)

Publication Number Publication Date
IN2015MN00112A true IN2015MN00112A (en) 2015-10-16

Family

ID=49946069

Family Applications (1)

Application Number Title Priority Date Filing Date
IN112MUN2015 IN2015MN00112A (en) 2012-07-20 2013-06-06

Country Status (5)

Country Link
US (2) US8933776B2 (en)
EP (1) EP2875654A2 (en)
CN (1) CN104471966A (en)
IN (1) IN2015MN00112A (en)
WO (1) WO2014014572A2 (en)

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Also Published As

Publication number Publication date
CN104471966A (en) 2015-03-25
WO2014014572A2 (en) 2014-01-23
US20140022920A1 (en) 2014-01-23
US8933776B2 (en) 2015-01-13
WO2014014572A3 (en) 2014-03-20
US20140022050A1 (en) 2014-01-23
EP2875654A2 (en) 2015-05-27

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