CN105492922B - 利用往返时间信息的被动定位 - Google Patents
利用往返时间信息的被动定位 Download PDFInfo
- Publication number
- CN105492922B CN105492922B CN201480047502.8A CN201480047502A CN105492922B CN 105492922 B CN105492922 B CN 105492922B CN 201480047502 A CN201480047502 A CN 201480047502A CN 105492922 B CN105492922 B CN 105492922B
- Authority
- CN
- China
- Prior art keywords
- message
- time
- access point
- rtt
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- 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.)
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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
-
- 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
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0081—Transmission between base stations
-
- 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
- G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- 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
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361872087P | 2013-08-30 | 2013-08-30 | |
| US61/872,087 | 2013-08-30 | ||
| US201361873253P | 2013-09-03 | 2013-09-03 | |
| US61/873,253 | 2013-09-03 | ||
| US201461973034P | 2014-03-31 | 2014-03-31 | |
| US61/973,034 | 2014-03-31 | ||
| US201461985247P | 2014-04-28 | 2014-04-28 | |
| US61/985,247 | 2014-04-28 | ||
| US14/268,978 US9445227B2 (en) | 2013-08-30 | 2014-05-02 | Passive positioning utilizing round trip time information |
| US14/268,978 | 2014-05-02 | ||
| PCT/US2014/050309 WO2015031029A1 (en) | 2013-08-30 | 2014-08-08 | Passive positioning utilizing round trip time information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105492922A CN105492922A (zh) | 2016-04-13 |
| CN105492922B true CN105492922B (zh) | 2017-09-22 |
Family
ID=52583131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480047502.8A Active CN105492922B (zh) | 2013-08-30 | 2014-08-08 | 利用往返时间信息的被动定位 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9445227B2 (enExample) |
| EP (1) | EP3039445B1 (enExample) |
| JP (1) | JP6363199B2 (enExample) |
| KR (1) | KR20160048130A (enExample) |
| CN (1) | CN105492922B (enExample) |
| WO (1) | WO2015031029A1 (enExample) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873601A (zh) | 2009-04-27 | 2010-10-27 | 松下电器产业株式会社 | 在无线通信系统中设置参考信号的方法以及系统 |
| US10039073B2 (en) | 2013-01-03 | 2018-07-31 | Qualcomm Incorporated | Method for determining location of wireless devices |
| US9661603B2 (en) | 2013-08-30 | 2017-05-23 | Qualcomm Incorporated | Passive positioning utilizing beacon neighbor reports |
| EP3047296B1 (en) * | 2013-09-18 | 2024-11-13 | Intel Corporation | Fine-timing measurement for time-of-flight positioning |
| US20150264530A1 (en) * | 2014-03-12 | 2015-09-17 | Gaby Prechner | Access point initiated time-of-flight positioning |
| US10225338B1 (en) | 2014-04-15 | 2019-03-05 | Marvell International Ltd. | Peer to peer ranging exchange |
| US9288625B2 (en) * | 2014-06-30 | 2016-03-15 | Qualcomm Technologies International, Ltd. | Method for determining location of wireless devices based on information within messages received from other network devices |
| US9277369B2 (en) * | 2014-06-30 | 2016-03-01 | Qualcomm Technologies International, Ltd. | Method for determining location of wireless devices |
| US10182413B2 (en) | 2014-07-30 | 2019-01-15 | Qualcomm Incorporated | Wireless positioning using scheduled transmissions |
| US10194268B1 (en) * | 2015-02-11 | 2019-01-29 | Marvell International Ltd. | Methods and apparatus for range measurement |
| US9763045B2 (en) * | 2015-05-11 | 2017-09-12 | Qualcomm Incorporated | Base station selection for positioning/localization based on an indication of capacity |
| US10009430B2 (en) * | 2015-08-27 | 2018-06-26 | Intel IP Corporation | Apparatus, system and method of fine timing measurement (FTM) |
| US9989619B2 (en) * | 2015-10-26 | 2018-06-05 | Microsoft Technology Licensing, Llc | Bulk propagation timing measurement messaging |
| US20170118587A1 (en) * | 2015-10-26 | 2017-04-27 | Microsoft Technology Licensing, Llc | Location detection using bulk fine timing |
| US9723631B2 (en) * | 2015-10-26 | 2017-08-01 | Microsoft Technology Licensing, Llc | Bulk fine timing measurement allocation message |
| US9955499B2 (en) * | 2015-10-26 | 2018-04-24 | Microsoft Technology Licensing, Llc | Bulk fine timing measurement message scheduling |
| US10200964B2 (en) * | 2015-11-02 | 2019-02-05 | Intel IP Corporation | Apparatus, system and method of fine timing measurement (FTM) |
| KR101663656B1 (ko) * | 2015-11-20 | 2016-10-14 | 한림대학교 산학협력단 | V2v 통신을 위한 클러스터링 주기 조절 시스템 및 방법 |
| CN105548962B (zh) * | 2015-12-21 | 2018-05-22 | 李奇 | 非同步基站系统下的无线测距定位方法及系统 |
| US9929928B1 (en) * | 2015-12-24 | 2018-03-27 | Microsemi Solutions (U.S.), Inc. | Packet transmitter and method for timestamping packets |
| US9794906B1 (en) | 2016-03-29 | 2017-10-17 | Qualcomm Incorporated | Double sided round trip time calibration |
| US10470156B2 (en) | 2016-06-03 | 2019-11-05 | Locix, Inc. | Systems and methods for coarse and fine time of flight estimates for precise radio frequency localization in the presence of multiple communication paths |
| US10757675B2 (en) * | 2016-06-03 | 2020-08-25 | Locix, Inc. | Systems and methods for precise radio frequency localization in the presence of multiple communication paths |
| US10455350B2 (en) | 2016-07-10 | 2019-10-22 | ZaiNar, Inc. | Method and system for radiolocation asset tracking via a mesh network |
| DE102016213689B4 (de) * | 2016-07-26 | 2024-02-29 | Volkswagen Aktiengesellschaft | Vorrichtung, Verfahren und Computerprogramm zum Charakterisieren von Antenneneinheiten in einem vordefinierten Raum |
| JP6802356B2 (ja) | 2016-08-01 | 2020-12-16 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | 無線通信ネットワークにおける位置決めのための通信ノードおよびその方法 |
| CN107765213B (zh) * | 2016-08-15 | 2020-08-25 | 华为技术有限公司 | 定位方法及装置 |
| US9907047B1 (en) | 2016-08-30 | 2018-02-27 | Qualcomm Incorporated | Passive positioning procedure and use of single burst ASAP FTM sessions |
| US10650621B1 (en) | 2016-09-13 | 2020-05-12 | Iocurrents, Inc. | Interfacing with a vehicular controller area network |
| US11061103B1 (en) * | 2017-02-10 | 2021-07-13 | Iseeloc, Inc. | Navigation system, device and method using unsynchronized nodes |
| CN109309937B (zh) * | 2017-07-26 | 2020-07-07 | 华为技术有限公司 | 切换接入点的方法、控制器、网络设备和存储介质 |
| US10605889B2 (en) | 2017-08-23 | 2020-03-31 | Locix, Inc. | Systems and methods for precise radio frequency localization using time sweep time difference of arrival |
| US10568064B2 (en) | 2017-08-23 | 2020-02-18 | Locix, Inc. | Systems and methods for precise radio frequency localization using time difference of arrival |
| 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 |
| ES2858366T3 (es) * | 2018-04-11 | 2021-09-30 | Teknologian Tutkimuskeskus Vtt Oy | Posicionamiento inalámbrico |
| US10939401B2 (en) * | 2018-07-09 | 2021-03-02 | Qualcomm Incorporated | Round trip time estimation based on a timing advance applied to a timing response |
| US11096141B2 (en) * | 2018-08-27 | 2021-08-17 | Zte Corporation | Location information determination based on timing measurements in wireless networks |
| US10802104B2 (en) | 2018-12-26 | 2020-10-13 | Locix, Inc. | Systems and methods for using ranging and triangulation to determine locations of wireless sensor nodes based on radio frequency communications between the nodes and various RF-enabled devices |
| US11490354B2 (en) * | 2019-01-11 | 2022-11-01 | Qualcomm Incorporated | Round-trip-time (RTT)-based positioning with listening nodes |
| WO2024191544A1 (en) * | 2023-03-11 | 2024-09-19 | Qualcomm Incorporated | Trigger-based wireless transmission adjusted for propagation delay |
| US12181564B1 (en) * | 2023-12-20 | 2024-12-31 | Sr Technologies, Inc. | Dual round trip time mitigation for wireless local area network devices |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008124316A1 (en) * | 2007-04-05 | 2008-10-16 | Skyhook Wireless, Inc. | Time difference of arrival based estimation of speed and direction of travel in a wlan positioning system |
| CN102265174A (zh) * | 2008-11-21 | 2011-11-30 | 高通股份有限公司 | 使用经调整的往返时间测量的无线位置确定 |
| CN102474882A (zh) * | 2009-06-26 | 2012-05-23 | 高通股份有限公司 | 起始随机接入程序以确定通信参数 |
| CN102713668A (zh) * | 2010-01-14 | 2012-10-03 | 高通股份有限公司 | 用于处理延迟的实时校准和报告的方法和系统 |
| CN102713663A (zh) * | 2009-11-18 | 2012-10-03 | 高通股份有限公司 | 使用无线信号的位置确定 |
| US20120315919A1 (en) * | 2011-06-10 | 2012-12-13 | Qualcomm Atheros, Inc. | Third party device location estimation in wireless communication networks |
| CN102884440A (zh) * | 2010-03-17 | 2013-01-16 | 霍尼韦尔国际公司 | 用于短基线、低成本地确定空中飞行器位置的系统和方法 |
| CN102947723A (zh) * | 2010-06-16 | 2013-02-27 | 西门子公司 | 用于定位的方法和装置 |
| WO2013026407A1 (zh) * | 2011-08-24 | 2013-02-28 | 华为技术有限公司 | 用户设备的定位方法及装置 |
| CN103038663A (zh) * | 2010-04-30 | 2013-04-10 | 高通股份有限公司 | 用于往返时间测量的设备 |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061337A (en) | 1996-12-02 | 2000-05-09 | Lucent Technologies Inc. | System and method for CDMA handoff using telemetry to determine the need for handoff and to select the destination cell site |
| US7450604B2 (en) | 2002-04-20 | 2008-11-11 | Conexant Systems, Inc. | Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments |
| US7188026B2 (en) | 2003-05-12 | 2007-03-06 | Dash Navigation, Inc. | Hierarchical floating car data network |
| CA2554417C (en) | 2004-02-17 | 2010-11-23 | Jadi, Inc. | Ultra wide band navigation system with mobile base stations |
| US7224970B2 (en) | 2004-10-26 | 2007-05-29 | Motorola, Inc. | Method of scanning for beacon transmissions in a WLAN |
| US20060133281A1 (en) * | 2004-12-20 | 2006-06-22 | Motorola, Inc. | System for managing round trip time of a transmission control protocol and supporting method and apparatus |
| US7787401B2 (en) | 2005-06-17 | 2010-08-31 | Cisco Technology, Inc. | Using mini-beacons in a wireless network |
| US20070268856A1 (en) | 2006-05-16 | 2007-11-22 | Nokia Corporation | Beacon broadcaster methods and systems for wireless networks |
| JP4866913B2 (ja) | 2006-10-30 | 2012-02-01 | パナソニック株式会社 | 無線lan通信装置及びビーコン送信方法 |
| US8265652B2 (en) | 2007-10-02 | 2012-09-11 | Ricoh Co., Ltd. | Geographic tagging of network access points |
| US9125153B2 (en) | 2008-11-25 | 2015-09-01 | Qualcomm Incorporated | Method and apparatus for two-way ranging |
| US9055395B2 (en) * | 2009-11-12 | 2015-06-09 | Cisco Technology, Inc. | Location tracking using response messages identifying a tracked device in a wireless network |
| US8942717B2 (en) | 2009-11-30 | 2015-01-27 | Intel Corporation | Load balancing techniques in wireless networks |
| WO2011108480A1 (ja) * | 2010-03-03 | 2011-09-09 | 日本電気株式会社 | パケット再送制御システム、方法、及びプログラム |
| US8929918B2 (en) | 2010-04-07 | 2015-01-06 | Telefonaktiebolaget L M Ericsson (Publ) | Positioning and location services using civic address information |
| WO2011156549A2 (en) | 2010-06-11 | 2011-12-15 | Skyhook Wireless, Inc. | Methods of and systems for measuring beacon stability of wireless access points |
| US20120057481A1 (en) * | 2010-09-07 | 2012-03-08 | Electronics And Telecommunications Research Institute | System and method for measuring round trip time based on wireless local area network |
| US8547870B2 (en) | 2011-06-07 | 2013-10-01 | Qualcomm Incorporated | Hybrid positioning mechanism for wireless communication devices |
| US8909244B2 (en) | 2011-06-28 | 2014-12-09 | Qualcomm Incorporated | Distributed positioning mechanism for wireless communication devices |
| US9301266B2 (en) | 2011-08-19 | 2016-03-29 | Qualcomm Incorporated | Beacons for wireless communication |
| US9894187B2 (en) | 2011-10-06 | 2018-02-13 | Intel Corporation | Methods and arrangements for short beacon frames in wireless networks |
| US8787191B2 (en) | 2011-11-15 | 2014-07-22 | Qualcomm Incorporated | Method and apparatus for determining distance in a Wi-Fi network |
| EP2798367B1 (en) * | 2011-12-28 | 2018-02-28 | Aeroscout Ltd | Methods and systems for locating devices |
| CN102647263B (zh) | 2012-04-16 | 2015-08-12 | 大唐移动通信设备有限公司 | 一种ack/nack信息的传输方法和设备 |
| JP5715087B2 (ja) * | 2012-05-21 | 2015-05-07 | 日本電信電話株式会社 | 制御方法、無線システム及び無線基地局 |
| US10039073B2 (en) | 2013-01-03 | 2018-07-31 | Qualcomm Incorporated | Method for determining location of wireless devices |
| WO2014121089A1 (en) * | 2013-01-31 | 2014-08-07 | Marvell World Trade Ltd. | Frequency offset compensation for wifi ranging |
| US9591493B2 (en) * | 2013-08-19 | 2017-03-07 | Broadcom Corporation | Wireless communication fine timing measurement PHY parameter control and negotiation |
| US9661603B2 (en) | 2013-08-30 | 2017-05-23 | Qualcomm Incorporated | Passive positioning utilizing beacon neighbor reports |
-
2014
- 2014-05-02 US US14/268,978 patent/US9445227B2/en active Active
- 2014-08-08 CN CN201480047502.8A patent/CN105492922B/zh active Active
- 2014-08-08 EP EP14758442.9A patent/EP3039445B1/en active Active
- 2014-08-08 KR KR1020167007693A patent/KR20160048130A/ko not_active Abandoned
- 2014-08-08 WO PCT/US2014/050309 patent/WO2015031029A1/en not_active Ceased
- 2014-08-08 JP JP2016538944A patent/JP6363199B2/ja not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008124316A1 (en) * | 2007-04-05 | 2008-10-16 | Skyhook Wireless, Inc. | Time difference of arrival based estimation of speed and direction of travel in a wlan positioning system |
| CN102265174A (zh) * | 2008-11-21 | 2011-11-30 | 高通股份有限公司 | 使用经调整的往返时间测量的无线位置确定 |
| CN102474882A (zh) * | 2009-06-26 | 2012-05-23 | 高通股份有限公司 | 起始随机接入程序以确定通信参数 |
| CN102713663A (zh) * | 2009-11-18 | 2012-10-03 | 高通股份有限公司 | 使用无线信号的位置确定 |
| CN102713668A (zh) * | 2010-01-14 | 2012-10-03 | 高通股份有限公司 | 用于处理延迟的实时校准和报告的方法和系统 |
| CN102884440A (zh) * | 2010-03-17 | 2013-01-16 | 霍尼韦尔国际公司 | 用于短基线、低成本地确定空中飞行器位置的系统和方法 |
| CN103038663A (zh) * | 2010-04-30 | 2013-04-10 | 高通股份有限公司 | 用于往返时间测量的设备 |
| CN102947723A (zh) * | 2010-06-16 | 2013-02-27 | 西门子公司 | 用于定位的方法和装置 |
| US20120315919A1 (en) * | 2011-06-10 | 2012-12-13 | Qualcomm Atheros, Inc. | Third party device location estimation in wireless communication networks |
| WO2013026407A1 (zh) * | 2011-08-24 | 2013-02-28 | 华为技术有限公司 | 用户设备的定位方法及装置 |
Non-Patent Citations (1)
| Title |
|---|
| 主动可靠组播传输往返行程时间估算策略;王斌等;《西安电子科技大学学报(自然科学版)》;20020228;第29卷(第1期);62-66 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105492922A (zh) | 2016-04-13 |
| EP3039445A1 (en) | 2016-07-06 |
| KR20160048130A (ko) | 2016-05-03 |
| JP6363199B2 (ja) | 2018-07-25 |
| EP3039445B1 (en) | 2017-09-27 |
| WO2015031029A1 (en) | 2015-03-05 |
| US9445227B2 (en) | 2016-09-13 |
| JP2016536600A (ja) | 2016-11-24 |
| US20150063138A1 (en) | 2015-03-05 |
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