IN2014CN02957A - - Google Patents

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Publication number
IN2014CN02957A
IN2014CN02957A IN2957CHN2014A IN2014CN02957A IN 2014CN02957 A IN2014CN02957 A IN 2014CN02957A IN 2957CHN2014 A IN2957CHN2014 A IN 2957CHN2014A IN 2014CN02957 A IN2014CN02957 A IN 2014CN02957A
Authority
IN
India
Prior art keywords
wireless network
network device
location
distance
reference wireless
Prior art date
Application number
Other languages
English (en)
Inventor
Xiaoxin Zhang
Ning Zhang
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 IN2014CN02957A publication Critical patent/IN2014CN02957A/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
    • H04W4/029—Location-based management or tracking services
    • 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
    • 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
    • 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
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
IN2957CHN2014 2011-09-19 2012-09-19 IN2014CN02957A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/236,172 US8521181B2 (en) 2011-09-19 2011-09-19 Time of arrival based positioning system
PCT/US2012/056046 WO2013043681A1 (en) 2011-09-19 2012-09-19 Time of arrival based positioning system

Publications (1)

Publication Number Publication Date
IN2014CN02957A true IN2014CN02957A (enrdf_load_stackoverflow) 2015-07-03

Family

ID=47116301

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2957CHN2014 IN2014CN02957A (enrdf_load_stackoverflow) 2011-09-19 2012-09-19

Country Status (7)

Country Link
US (2) US8521181B2 (enrdf_load_stackoverflow)
EP (1) EP2759176A1 (enrdf_load_stackoverflow)
JP (1) JP5980929B2 (enrdf_load_stackoverflow)
KR (1) KR101626514B1 (enrdf_load_stackoverflow)
CN (2) CN108680899A (enrdf_load_stackoverflow)
IN (1) IN2014CN02957A (enrdf_load_stackoverflow)
WO (1) WO2013043681A1 (enrdf_load_stackoverflow)

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Also Published As

Publication number Publication date
CN103947269B (zh) 2018-07-24
US20140235270A1 (en) 2014-08-21
JP5980929B2 (ja) 2016-08-31
CN108680899A (zh) 2018-10-19
CN103947269A (zh) 2014-07-23
KR20140069203A (ko) 2014-06-09
WO2013043681A1 (en) 2013-03-28
KR101626514B1 (ko) 2016-06-01
US8521181B2 (en) 2013-08-27
EP2759176A1 (en) 2014-07-30
JP2014534412A (ja) 2014-12-18
US20130072217A1 (en) 2013-03-21
US9332383B2 (en) 2016-05-03

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