CN103947268B - 用于在Wi‑Fi网络中确定距离的方法和装置 - Google Patents

用于在Wi‑Fi网络中确定距离的方法和装置 Download PDF

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Publication number
CN103947268B
CN103947268B CN201280056246.XA CN201280056246A CN103947268B CN 103947268 B CN103947268 B CN 103947268B CN 201280056246 A CN201280056246 A CN 201280056246A CN 103947268 B CN103947268 B CN 103947268B
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China
Prior art keywords
equipment
correction factor
unicast
confirmation
packet
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CN201280056246.XA
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English (en)
Chinese (zh)
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CN103947268A (zh
Inventor
Q·陈
K·石
N·张
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
CN201280056246.XA 2011-11-15 2012-11-09 用于在Wi‑Fi网络中确定距离的方法和装置 Active CN103947268B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/297,202 US8787191B2 (en) 2011-11-15 2011-11-15 Method and apparatus for determining distance in a Wi-Fi network
US13/297,202 2011-11-15
PCT/US2012/064524 WO2013074424A1 (en) 2011-11-15 2012-11-09 Method and apparatus for determining distance in a wi-fi network

Publications (2)

Publication Number Publication Date
CN103947268A CN103947268A (zh) 2014-07-23
CN103947268B true CN103947268B (zh) 2018-03-27

Family

ID=47222327

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280056246.XA Active CN103947268B (zh) 2011-11-15 2012-11-09 用于在Wi‑Fi网络中确定距离的方法和装置

Country Status (7)

Country Link
US (2) US8787191B2 (enExample)
EP (1) EP2781129B1 (enExample)
JP (1) JP5731079B2 (enExample)
KR (1) KR101521564B1 (enExample)
CN (1) CN103947268B (enExample)
IN (1) IN2014CN03575A (enExample)
WO (1) WO2013074424A1 (enExample)

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US9125153B2 (en) 2008-11-25 2015-09-01 Qualcomm Incorporated Method and apparatus for two-way ranging
US8768344B2 (en) 2008-12-22 2014-07-01 Qualcomm Incorporated Post-deployment calibration for wireless position determination
US8781492B2 (en) 2010-04-30 2014-07-15 Qualcomm Incorporated Device for round trip time measurements
US8787191B2 (en) 2011-11-15 2014-07-22 Qualcomm Incorporated Method and apparatus for determining distance in a Wi-Fi network
US9154904B2 (en) * 2012-11-12 2015-10-06 Tata Consultancy Services Limited Method and system for accurate straight line distance estimation between two communication devices
JP2014165551A (ja) * 2013-02-21 2014-09-08 Fujitsu Ltd 通信装置、通信方法、プログラム、及び、通信システム
US9191908B2 (en) * 2013-03-05 2015-11-17 Qualcomm Incorporated Reducing impact of clock drift in wireless devices
US20140269400A1 (en) * 2013-03-14 2014-09-18 Qualcomm Incorporated Broadcasting short interframe space information for location purposes
WO2014193372A1 (en) * 2013-05-30 2014-12-04 Intel Corporation Apparatus, system and method of estimating a location of a mobile device
US9661603B2 (en) 2013-08-30 2017-05-23 Qualcomm Incorporated Passive positioning utilizing beacon neighbor reports
US9445227B2 (en) 2013-08-30 2016-09-13 Qualcomm Incorporated Passive positioning utilizing round trip time information
US9532328B2 (en) * 2013-09-09 2016-12-27 Qualcomm Incorporated Methods and apparatuses for improving quality of positioning
US20150296552A1 (en) * 2014-04-09 2015-10-15 Qualcomm Incorporated Wireless docking/undocking using fine time measurement
US9907044B2 (en) * 2014-09-15 2018-02-27 Qualcomm Incorporated IEEE 802.11 enhancements for high efficiency positioning
US9824481B2 (en) 2014-12-30 2017-11-21 Qualcomm Incorporated Maintaining heatmaps using tagged visual data
US20160188540A1 (en) * 2014-12-30 2016-06-30 Qualcomm Incorporated Tagging visual data with wireless signal information
US10582105B2 (en) 2014-12-30 2020-03-03 Qualcomm Incorporated Changing camera parameters based on wireless signal information
US10264396B2 (en) * 2015-01-15 2019-04-16 Mediatek Inc. Method of distance measurement between wireless communication devices in wireless communication system
CN104602319A (zh) * 2015-01-30 2015-05-06 海信集团有限公司 一种控制无线接入设备移动的方法与装置
US9801019B2 (en) 2015-03-16 2017-10-24 Qualcomm Incorporated Adaptive triggering of RTT ranging for enhanced position accuracy
US9706356B2 (en) * 2015-03-25 2017-07-11 Htc Corporation Positioning system and method
US20160352605A1 (en) * 2015-05-29 2016-12-01 Qualcomm Incorporated Systems and methods for distance bounding to an authenticated device
CN106443648B (zh) * 2015-08-13 2019-06-21 株式会社理光 判断电子装置接近的方法与装置
US20170127225A1 (en) * 2015-10-29 2017-05-04 Qualcomm Incorporated Systems and methods for distance bounding using near field communication
US10440574B2 (en) 2016-06-12 2019-10-08 Apple Inc. Unlocking a device
WO2019044629A1 (ja) * 2017-08-31 2019-03-07 株式会社村田製作所 位置推定システム
CN110622024A (zh) * 2018-03-02 2019-12-27 深圳市汇顶科技股份有限公司 室内定位方法、装置和设备
US10659941B2 (en) 2018-03-13 2020-05-19 Cypress Semiconductor Corporation Communicating packets in a mesh network
US10939401B2 (en) 2018-07-09 2021-03-02 Qualcomm Incorporated Round trip time estimation based on a timing advance applied to a timing response
US11778511B2 (en) 2019-09-18 2023-10-03 Kabushiki Kaisha Toshiba Transmission parameter probing and searching for agile link quality adaptation
US11172388B2 (en) * 2019-09-18 2021-11-09 Kabushiki Kaisha Toshiba Link quality awareness for uplink transmissions from nodes to gateways
JP7476518B2 (ja) * 2019-11-13 2024-05-01 セイコーエプソン株式会社 無線通信システム、第２処理装置
KR20220012755A (ko) 2020-07-23 2022-02-04 삼성전자주식회사 통신 수행 방법 및 장치
CN115606200B (zh) * 2020-11-30 2025-09-19 北京小米移动软件有限公司 位置确定方法、装置和通信设备

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US7643430B2 (en) * 2005-11-30 2010-01-05 Cisco Technology, Inc. Methods and apparatus for determining reverse path delay
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Also Published As

Publication number Publication date
IN2014CN03575A (enExample) 2015-10-09
US20130121173A1 (en) 2013-05-16
US20140313922A1 (en) 2014-10-23
KR20140093994A (ko) 2014-07-29
EP2781129A1 (en) 2014-09-24
JP5731079B2 (ja) 2015-06-10
EP2781129B1 (en) 2018-05-16
JP2015503092A (ja) 2015-01-29
WO2013074424A1 (en) 2013-05-23
WO2013074424A4 (en) 2013-07-11
KR101521564B1 (ko) 2015-05-19
CN103947268A (zh) 2014-07-23
US8787191B2 (en) 2014-07-22
US9143967B2 (en) 2015-09-22

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