JP3801123B2 - 無線システムおよびそのサーバーならびにその基地局 - Google Patents
無線システムおよびそのサーバーならびにその基地局 Download PDFInfo
- Publication number
- JP3801123B2 JP3801123B2 JP2002260772A JP2002260772A JP3801123B2 JP 3801123 B2 JP3801123 B2 JP 3801123B2 JP 2002260772 A JP2002260772 A JP 2002260772A JP 2002260772 A JP2002260772 A JP 2002260772A JP 3801123 B2 JP3801123 B2 JP 3801123B2
- Authority
- JP
- Japan
- Prior art keywords
- base station
- clock
- terminal
- reception time
- base stations
- 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.)
- Expired - Fee Related
Links
Images
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
- G01S5/02—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
- G01S5/0221—Receivers
- G01S5/02213—Receivers arranged in a network for determining the position of a transmitter
- G01S5/02216—Timing or synchronisation of the receivers
-
- 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
- G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
-
- 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
- G01S5/0045—Transmission from base station to mobile station
- G01S5/0054—Transmission from base station to mobile station of actual mobile position, i.e. position calculation on base station
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002260772A JP3801123B2 (ja) | 2002-09-06 | 2002-09-06 | 無線システムおよびそのサーバーならびにその基地局 |
| EP20030013374 EP1396730B1 (en) | 2002-09-06 | 2003-06-17 | Method, system and apparatus for detecting a position of a terminal in a network |
| US10/463,608 US7167712B2 (en) | 2002-09-06 | 2003-06-18 | Method, system, and apparatus for detecting a position of a terminal in a network |
| CN031491308A CN1480873B (zh) | 2002-09-06 | 2003-06-18 | 用于检测终端在网络中位置的方法、系统和装置 |
| US11/633,127 US7353032B2 (en) | 2002-09-06 | 2006-12-04 | Method, system, and apparatus for detecting a position of a terminal in a network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002260772A JP3801123B2 (ja) | 2002-09-06 | 2002-09-06 | 無線システムおよびそのサーバーならびにその基地局 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004360684A Division JP4239961B2 (ja) | 2004-12-14 | 2004-12-14 | 無線システムおよびそのサーバーならびにその基地局 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004101254A JP2004101254A (ja) | 2004-04-02 |
| JP2004101254A5 JP2004101254A5 (enExample) | 2005-07-28 |
| JP3801123B2 true JP3801123B2 (ja) | 2006-07-26 |
Family
ID=31712333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002260772A Expired - Fee Related JP3801123B2 (ja) | 2002-09-06 | 2002-09-06 | 無線システムおよびそのサーバーならびにその基地局 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US7167712B2 (enExample) |
| EP (1) | EP1396730B1 (enExample) |
| JP (1) | JP3801123B2 (enExample) |
| CN (1) | CN1480873B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009042236A (ja) * | 2008-09-12 | 2009-02-26 | Hitachi Ltd | 無線システムおよびそのサーバーならびにその基地局 |
| WO2010035534A1 (ja) * | 2008-09-26 | 2010-04-01 | ブラザー工業株式会社 | 移動局測位システム |
Families Citing this family (107)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1285317A1 (en) * | 2000-05-19 | 2003-02-26 | Netscape Communications | Adaptive multi-tier authentication system |
| JP3543769B2 (ja) * | 2001-02-19 | 2004-07-21 | 株式会社日立製作所 | 移動端末の位置測定を行う装置 |
| JP3801123B2 (ja) * | 2002-09-06 | 2006-07-26 | 株式会社日立製作所 | 無線システムおよびそのサーバーならびにその基地局 |
| US8483717B2 (en) | 2003-06-27 | 2013-07-09 | Qualcomm Incorporated | Local area network assisted positioning |
| JP2005123833A (ja) * | 2003-10-16 | 2005-05-12 | Hitachi Ltd | 位置検出システム制御方法 |
| GB0401767D0 (en) * | 2004-01-27 | 2004-03-03 | Koninkl Philips Electronics Nv | Positioning systems |
| CN100340088C (zh) * | 2004-03-25 | 2007-09-26 | 联想(北京)有限公司 | 一种无线局域网的终端定位方法 |
| JP4367233B2 (ja) | 2004-05-21 | 2009-11-18 | 株式会社日立製作所 | 位置検出方法、位置検出システムおよび位置検出サーバ装置 |
| GB2416635A (en) * | 2004-07-23 | 2006-02-01 | Hewlett Packard Development Co | Positioning system |
| US20060025154A1 (en) * | 2004-07-28 | 2006-02-02 | Meshnetworks, Inc. | System and method for locating persons or assets using centralized computing of node location and displaying the node locations |
| CN100458465C (zh) * | 2004-09-20 | 2009-02-04 | 英业达股份有限公司 | 目标追踪装置与使用该装置的目标追踪系统以及方法 |
| JP4400395B2 (ja) | 2004-09-27 | 2010-01-20 | 株式会社日立製作所 | 位置算出方法およびそのプログラム |
| JP4747559B2 (ja) * | 2004-11-12 | 2011-08-17 | 株式会社日立製作所 | 無線位置検出システムおよびそのサーバおよび基地局および端末 |
| JP4693405B2 (ja) * | 2004-12-17 | 2011-06-01 | 株式会社日立製作所 | ノード位置測位システム、無線基地局及び位置測定方法 |
| US7751833B2 (en) * | 2005-03-15 | 2010-07-06 | Nextel Communications Inc. | System and method for determining a base transceiver station location |
| JP4713911B2 (ja) * | 2005-03-29 | 2011-06-29 | 株式会社コナミデジタルエンタテインメント | 位置推定装置、位置推定方法、ならびに、プログラム |
| JP2006295664A (ja) | 2005-04-13 | 2006-10-26 | Hitachi Ltd | 接続先基地局選択方法 |
| EP1725061A3 (en) * | 2005-05-19 | 2007-01-24 | Alogics Co., LTD. | Method and apparatus for positioning a portable subscriber station in a WiBro (Wireless Broadband) network, and repeater having the same |
| JP4568641B2 (ja) * | 2005-05-27 | 2010-10-27 | 株式会社日立製作所 | 無線通信システム、ノード位置算出方法及びノード |
| US8798638B2 (en) * | 2005-07-20 | 2014-08-05 | Qualcomm Incorporated | Methods and apparatus for providing base station position information and using position information to support timing and/or frequency corrections |
| US7991362B2 (en) * | 2005-07-20 | 2011-08-02 | Qualcomm Incorporated | Methods and apparatus for supporting timing and/or frequency corrections in a wireless communications system |
| JP4609231B2 (ja) * | 2005-08-05 | 2011-01-12 | 株式会社日立製作所 | 無線位置検出方法およびそのシステム |
| JP4829571B2 (ja) * | 2005-09-09 | 2011-12-07 | 株式会社日立製作所 | 受信装置および測位測距システム |
| JP4881610B2 (ja) | 2005-11-30 | 2012-02-22 | 株式会社日立製作所 | 測定システム及び管理装置及びその処理分散方法 |
| JP2007212424A (ja) * | 2006-01-10 | 2007-08-23 | Rcs:Kk | 位置検知装置および位置検知プログラム |
| JP2007187639A (ja) * | 2006-01-16 | 2007-07-26 | Fujitsu Ltd | 無線測位システム |
| JP4689480B2 (ja) * | 2006-01-27 | 2011-05-25 | 三菱電機株式会社 | 測位端末及び測位システム |
| US9274207B2 (en) * | 2006-02-01 | 2016-03-01 | Zih Corp. | System and method for determining signal source location in wireless local area network |
| WO2007094708A1 (en) * | 2006-02-15 | 2007-08-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Accuracy assessment in assisted gps positioning |
| US7477191B2 (en) * | 2006-03-03 | 2009-01-13 | Cisco Technology, Inc. | System and method for performing time difference of arrival location without requiring a common time base or clock calibration |
| KR100766476B1 (ko) | 2006-03-14 | 2007-10-12 | 주식회사 엠티아이 | 직교주파수 분할 다중 이동통신 중계기에서의 위치파악을위한 시스템 및 방법 |
| JP2007248362A (ja) * | 2006-03-17 | 2007-09-27 | Hitachi Ltd | 端末測位システム及び位置測定方法 |
| TW200801570A (en) * | 2006-06-12 | 2008-01-01 | Mitac Int Corp | Group global positioning system |
| JP2008002888A (ja) * | 2006-06-21 | 2008-01-10 | Fujitsu Ltd | 無線測位システム |
| US7570962B2 (en) * | 2006-07-12 | 2009-08-04 | Intel Corporation | Wireless access network base station and method for determining location information for a mobile station using uplink time-difference of arrival |
| US8576829B2 (en) * | 2006-08-08 | 2013-11-05 | Aeroscout, Ltd. | Multi-channel TDOA system |
| JP2008039738A (ja) * | 2006-08-10 | 2008-02-21 | Fujitsu Ltd | 測位方法 |
| JP4750660B2 (ja) | 2006-09-27 | 2011-08-17 | 株式会社日立製作所 | 受信装置及び測位システム並びに測位方法 |
| JP4853218B2 (ja) * | 2006-10-13 | 2012-01-11 | 株式会社日立製作所 | 測位システム |
| JP5382415B2 (ja) * | 2006-11-14 | 2014-01-08 | 日本電気株式会社 | 無線携帯端末を利用したコンテンツの配信システム及びその配信方法 |
| US8102825B2 (en) | 2006-11-30 | 2012-01-24 | Kyocera Corporation | Detection of a multi-mode portable communication device at a mesh network |
| US7978667B2 (en) * | 2006-11-30 | 2011-07-12 | Kyocera Corporation | Management of WLAN and WWAN communication services to a multi-mode wireless communication device |
| US9532399B2 (en) | 2006-11-30 | 2016-12-27 | Kyocera Corporation | Apparatus, system and method for managing wireless local area network service to a multi-mode portable communication device |
| US7969930B2 (en) * | 2006-11-30 | 2011-06-28 | Kyocera Corporation | Apparatus, system and method for managing wireless local area network service based on a location of a multi-mode portable communication device |
| US7920875B2 (en) * | 2006-12-01 | 2011-04-05 | Trueposition, Inc. | Subscriptionless location of wireless devices |
| US7797000B2 (en) * | 2006-12-01 | 2010-09-14 | Trueposition, Inc. | System for automatically determining cell transmitter parameters to facilitate the location of wireless devices |
| US9791545B2 (en) * | 2006-12-07 | 2017-10-17 | Digimarc Corporation | Space-time calibration system and method |
| US8451763B2 (en) * | 2006-12-07 | 2013-05-28 | Digimarc Corporation | Wireless local area network-based position locating systems and methods |
| US8421675B2 (en) | 2006-12-07 | 2013-04-16 | Digimarc Corporation | Systems and methods for locating a mobile device within a cellular system |
| JP2008228163A (ja) * | 2007-03-15 | 2008-09-25 | Nec Corp | 三次元座標による捜索対象の位置通知システム、その方法及びそのプログラム |
| US8103285B2 (en) * | 2007-04-19 | 2012-01-24 | Kyocera Corporation | Apparatus, system and method for determining a geographical location of a portable communication device |
| JP5135946B2 (ja) * | 2007-08-14 | 2013-02-06 | 富士通株式会社 | 無線測位システム |
| JP2008054351A (ja) * | 2007-10-25 | 2008-03-06 | Hitachi Ltd | 無線位置検出システムおよびそのサーバおよび基地局および端末 |
| CN101453695B (zh) * | 2007-11-30 | 2011-04-20 | 华为技术有限公司 | 一种定位测量方法、系统和装置 |
| US7969963B2 (en) * | 2007-12-19 | 2011-06-28 | Mitsubishi Electric Research Laboratories, Inc. | Method for estimating relative clock frequency offsets to improve radio ranging errors |
| JP2009174964A (ja) * | 2008-01-23 | 2009-08-06 | Sumitomo Electric Ind Ltd | 位置特定装置及び位置特定システム |
| US8233433B2 (en) | 2008-02-26 | 2012-07-31 | Kyocera Corporation | Apparatus, system and method for initiating WLAN service using beacon signals |
| JP5031682B2 (ja) | 2008-06-25 | 2012-09-19 | キヤノン株式会社 | データ制御装置、データ制御方法およびプログラム |
| DE102008032749A1 (de) * | 2008-07-11 | 2010-05-06 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Ortsbestimmung |
| US8614975B2 (en) | 2008-09-19 | 2013-12-24 | Qualcomm Incorporated | Synchronizing a base station in a wireless communication system |
| US9037155B2 (en) | 2008-10-28 | 2015-05-19 | Sven Fischer | Time of arrival (TOA) estimation for positioning in a wireless communication network |
| KR101210604B1 (ko) | 2008-12-03 | 2012-12-11 | 한국전자통신연구원 | 단말 위치 결정 장치 및 방법 |
| US20100136999A1 (en) * | 2008-12-03 | 2010-06-03 | Electronics And Telecommunications Research Institute | Apparatus and method for determining position of terminal |
| US8982851B2 (en) * | 2009-01-06 | 2015-03-17 | Qualcomm Incorporated | Hearability improvements for reference signals |
| US7983185B2 (en) * | 2009-02-12 | 2011-07-19 | Zulutime, Llc | Systems and methods for space-time determinations with reduced network traffic |
| US8165577B2 (en) * | 2009-03-19 | 2012-04-24 | Kyocera Corporation | Pilot signal transmission management |
| US8688139B2 (en) | 2009-09-10 | 2014-04-01 | Qualcomm Incorporated | Concurrent wireless transmitter mapping and mobile station positioning |
| BR112012008806A2 (pt) | 2009-10-14 | 2019-09-24 | Abb Research Ltd | controle sem fio de dispositivos de comutação de rede de energia. |
| KR101162727B1 (ko) | 2009-11-06 | 2012-07-05 | 최옥재 | 위치 측정을 위한 기준신호 송출 방법 및 시스템, 이를 이용한 위치 측정 방법, 장치 및 시스템, 이를 이용한 시각 동기 방법 및 장치 |
| WO2011069552A1 (en) | 2009-12-10 | 2011-06-16 | Nortel Networks Limited | Method, arrangement and computer program product for clocking |
| KR101868819B1 (ko) | 2010-06-11 | 2018-06-19 | 스카이후크 와이어리스, 인크. | 무선 액세스 포인트의 비콘 안정도를 측정하기 위한 방법 및 시스템 |
| US9091746B2 (en) * | 2010-07-01 | 2015-07-28 | Qualcomm Incorporated | Determination of positions of wireless transceivers to be added to a wireless communication network |
| US8463290B2 (en) | 2010-07-09 | 2013-06-11 | Digimarc Corporation | Mobile device positioning in dynamic groupings of communication devices |
| WO2012059903A2 (en) * | 2010-11-06 | 2012-05-10 | Decawave Ltd. | A wireless access point clock synchronization system |
| US20120120874A1 (en) * | 2010-11-15 | 2012-05-17 | Decawave Limited | Wireless access point clock synchronization system |
| WO2012081740A1 (ko) * | 2010-12-14 | 2012-06-21 | Choi Ok Jae | 위치 측정을 위한 기준신호 송출 방법 및 시스템, 이를 이용한 위치 측정 방법, 장치 및 시스템, 이를 이용한 시각 동기 방법 및 장치 |
| JP5121969B2 (ja) * | 2011-04-28 | 2013-01-16 | 株式会社日立製作所 | 受信装置および測位測距システム |
| US8909244B2 (en) * | 2011-06-28 | 2014-12-09 | Qualcomm Incorporated | Distributed positioning mechanism for wireless communication devices |
| CN102869089B (zh) * | 2011-07-05 | 2015-11-25 | 北京惠盈科技有限公司 | 移动终端定位方法及系统 |
| US8521181B2 (en) | 2011-09-19 | 2013-08-27 | Qualcomm Incorporated | Time of arrival based positioning system |
| CN103329603A (zh) * | 2011-11-15 | 2013-09-25 | 戴卡维夫有限公司 | 一种无线接入点时钟同步系统 |
| WO2013100970A1 (en) * | 2011-12-28 | 2013-07-04 | Intel Corporation | Transmitter precoding for optimizing positioning performance |
| US9282471B2 (en) | 2012-03-21 | 2016-03-08 | Digimarc Corporation | Positioning systems for wireless networks |
| US8626419B2 (en) * | 2012-04-27 | 2014-01-07 | Fleetmatics Irl Limited | System and method for automated identification of frequent stop locations for vehicle fleets |
| US9514469B2 (en) | 2013-04-21 | 2016-12-06 | International Business Machines Corporation | Identification of consumers based on a unique device ID |
| JP6033174B2 (ja) * | 2013-07-04 | 2016-11-30 | Kddi株式会社 | 距離推定システム |
| CN105580461B (zh) * | 2013-07-26 | 2018-09-21 | 新加坡科技研究局 | 用于对移动通信装置定位的方法和定位装置 |
| US10111252B2 (en) * | 2014-02-10 | 2018-10-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and devices for random access preamble shifting |
| JP6396664B2 (ja) * | 2014-03-26 | 2018-09-26 | 株式会社Soken | 位置推定装置 |
| EP3151030A4 (en) * | 2014-07-22 | 2017-11-01 | Huawei Technologies Co., Ltd. | Access point, terminal and wireless fidelity (wifi) indoor locating method |
| WO2016119234A1 (zh) * | 2015-01-30 | 2016-08-04 | 华为技术有限公司 | 一种基于wifi系统室内定位装置及方法 |
| JP6592912B2 (ja) * | 2015-02-13 | 2019-10-23 | 株式会社国際電気通信基礎技術研究所 | 通信システム、受信装置、サーバ、信号処理方法、波源位置算出方法、及びプログラム |
| JP2016184861A (ja) * | 2015-03-26 | 2016-10-20 | 京セラ株式会社 | 無線通信システム、基地局、管理サーバおよび端末位置推定方法 |
| JP6584825B2 (ja) * | 2015-05-18 | 2019-10-02 | 株式会社東芝 | マルチスタティックレーダシステム、および同期監視方法 |
| US10621214B2 (en) | 2015-10-15 | 2020-04-14 | Verizon Patent And Licensing Inc. | Systems and methods for database geocoding |
| CN108293239A (zh) * | 2016-08-05 | 2018-07-17 | 霍尼韦尔国际公司 | 包括提供移动台可以从其确定它的位置的信息的基站的系统 |
| WO2018113997A1 (en) * | 2016-12-23 | 2018-06-28 | Huawei Technologies Co., Ltd. | Method for obtaining relatively accurate timings for location measurement |
| CN107483136A (zh) * | 2017-08-09 | 2017-12-15 | 北京纳飞时空信息技术有限公司 | 一种固定通信设备间的时钟同步方法 |
| WO2020078570A1 (en) | 2018-10-19 | 2020-04-23 | Nokia Technologies Oy | Positioning with multiple access points |
| CN109459724B (zh) * | 2018-12-03 | 2023-10-27 | 江苏云巅电子科技有限公司 | 基于现场测距信息的一键实时标定系统及标定方法 |
| WO2020172014A1 (en) * | 2019-02-24 | 2020-08-27 | Locix, Inc. | Systems and methods for precise radio frequency localization using time sweep time difference of arrival |
| CN109799479B (zh) * | 2019-03-06 | 2020-12-08 | 珠海格力电器股份有限公司 | 一种时钟定位方法、装置、存储介质及通信系统 |
| CN110784822B (zh) * | 2019-10-31 | 2021-06-15 | 广东博智林机器人有限公司 | 基站、基站定位的方法及相对应的设备 |
| JP2021099289A (ja) * | 2019-12-23 | 2021-07-01 | 株式会社Soken | 車両用通信装置 |
| CN114071692B (zh) * | 2020-08-07 | 2023-08-01 | 大唐移动通信设备有限公司 | 发送通道时延的校正方法、装置及存储介质 |
| EP4209018A4 (en) * | 2021-01-18 | 2023-10-18 | ZTE Corporation | TIME-BASED POSITIONING TECHNIQUES |
| CN116367302A (zh) * | 2023-03-31 | 2023-06-30 | 成都精位科技有限公司 | 一种定位方法、系统及电子设备 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01235881A (ja) | 1988-02-20 | 1989-09-20 | Scient Dev Inc | 位置ぎめシステム及び方法 |
| AU7470191A (en) | 1990-04-06 | 1991-11-11 | Dean A Cooper | Integral modulation |
| JP2818077B2 (ja) | 1992-06-02 | 1998-10-30 | キャメリク ヘラー アラン | 目標標定システムおよび標定方法 |
| JP3393417B2 (ja) | 1993-12-22 | 2003-04-07 | ソニー株式会社 | 測位システム |
| JPH08146110A (ja) | 1994-11-16 | 1996-06-07 | Clarion Co Ltd | 位置測定システム |
| US5613205A (en) * | 1995-03-31 | 1997-03-18 | Telefonaktiebolaget Lm Ericsson | System and method of locating a mobile terminal within the service area of a cellular telecommunication system |
| FI101445B1 (fi) * | 1995-10-03 | 1998-06-15 | Nokia Mobile Phones Ltd | Matkaviestimen paikannusjärjestelmä |
| AUPN733395A0 (en) * | 1995-12-22 | 1996-01-25 | University Of Technology, Sydney | Location and tracking system |
| WO1998052376A1 (en) * | 1997-05-09 | 1998-11-19 | Nokia Telecommunications Oy | A method for determining timing differences between radio transmitters and a radio network incorporating the same |
| JP2000156882A (ja) | 1998-11-19 | 2000-06-06 | Nippon Telegr & Teleph Corp <Ntt> | Phs端末位置情報システム、位置情報取得装置及びphs端末 |
| US6493539B1 (en) * | 1999-07-28 | 2002-12-10 | Lucent Technologies Inc. | Providing an accurate timing source for locating the geographical position of a mobile |
| GB2386801B (en) * | 1999-08-24 | 2004-03-24 | Roke Manor Research | A method of locating a mobile station within a telecommunications cell forming part of a telecommunications system |
| CN1282692A (zh) * | 2000-01-25 | 2001-02-07 | 庄大川 | 多功能组合定位通讯系统用户终端 |
| JP2001264090A (ja) | 2000-03-21 | 2001-09-26 | Nippon Telegr & Teleph Corp <Ntt> | 位置利用情報案内システム |
| JP3673700B2 (ja) | 2000-06-27 | 2005-07-20 | 株式会社日立製作所 | スペクトル拡散信号を用いた測距及び位置測定方法、その方法を行う装置 |
| KR100346223B1 (ko) * | 2000-09-25 | 2002-08-01 | 삼성전자 주식회사 | 이동통신 시스템에서 홈-존 리스트 자동생성 방법 |
| JP4226325B2 (ja) * | 2000-11-14 | 2009-02-18 | シンボル テクノロジーズ インコーポレイテッド | 通信ネットワークのアセット位置を識別する方法及び装置 |
| US7046657B2 (en) | 2000-12-20 | 2006-05-16 | Wherenet Corp | Wireless local area network system with mobile access point station determination |
| JP3461167B2 (ja) | 2001-02-07 | 2003-10-27 | 株式会社日立製作所 | 位置計算方法及び位置算出装置 |
| JP3801123B2 (ja) * | 2002-09-06 | 2006-07-26 | 株式会社日立製作所 | 無線システムおよびそのサーバーならびにその基地局 |
| JP2005006287A (ja) * | 2003-05-20 | 2005-01-06 | Hitachi Ltd | パイロット信号の送受信方法及び基地局装置及び端末装置 |
-
2002
- 2002-09-06 JP JP2002260772A patent/JP3801123B2/ja not_active Expired - Fee Related
-
2003
- 2003-06-17 EP EP20030013374 patent/EP1396730B1/en not_active Expired - Lifetime
- 2003-06-18 CN CN031491308A patent/CN1480873B/zh not_active Expired - Fee Related
- 2003-06-18 US US10/463,608 patent/US7167712B2/en not_active Expired - Fee Related
-
2006
- 2006-12-04 US US11/633,127 patent/US7353032B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009042236A (ja) * | 2008-09-12 | 2009-02-26 | Hitachi Ltd | 無線システムおよびそのサーバーならびにその基地局 |
| WO2010035534A1 (ja) * | 2008-09-26 | 2010-04-01 | ブラザー工業株式会社 | 移動局測位システム |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040046693A1 (en) | 2004-03-11 |
| EP1396730A1 (en) | 2004-03-10 |
| JP2004101254A (ja) | 2004-04-02 |
| EP1396730B1 (en) | 2012-05-30 |
| CN1480873A (zh) | 2004-03-10 |
| US20070087760A1 (en) | 2007-04-19 |
| CN1480873B (zh) | 2012-01-04 |
| US7167712B2 (en) | 2007-01-23 |
| US7353032B2 (en) | 2008-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3801123B2 (ja) | 無線システムおよびそのサーバーならびにその基地局 | |
| JP4239961B2 (ja) | 無線システムおよびそのサーバーならびにその基地局 | |
| Hashem et al. | Accurate indoor positioning using IEEE 802.11 mc round trip time | |
| US20030227895A1 (en) | System and method for improving the accuracy of time of arrival measurements in a wireless ad-hoc communications network | |
| US8335173B2 (en) | Inserting time of departure information in frames to support multi-channel location techniques | |
| KR102129265B1 (ko) | 무선 통신시스템의 위치 추정 장치 및 방법 | |
| US8837316B2 (en) | RTT based ranging system and method | |
| US8848565B2 (en) | Method for performing measurements and positioning in a network based WLAN positioning system | |
| EP3844524B1 (en) | Location information determination based on timing measurements in wireless networks | |
| US8842571B1 (en) | Method and apparatus for determining a time of arrival of a data unit | |
| US20110268097A1 (en) | Method and system for adaptive synchronization of timing information generated by independently clocked communication nodes | |
| KR20090096141A (ko) | 무선 센서망에서 이동 노드의 위치 추정 방법 | |
| KR20100072541A (ko) | 거리 측정 방법 | |
| WO2006017699A2 (en) | Bandwidth efficient system and method for ranging nodes in a wireless communication network | |
| US7266098B2 (en) | Wireless position measurement method and wireless position measurement system | |
| JP2010531433A (ja) | 広いスタジオ環境内のカメラの受動的位置特定情報 | |
| CN115486154A (zh) | 用于网络中用户装备的定位技术 | |
| US20040087277A1 (en) | Method and apparatus for improving accuracy of radio timing measurements | |
| JP4735689B2 (ja) | 無線システムおよびそのサーバーならびにその基地局 | |
| CN105898858A (zh) | 一种不依赖于邻居节点的apit节点定位系统及方法 | |
| CN104010322B (zh) | 基站间干扰的检测方法、装置及通信系统 | |
| Krishna et al. | Calculating relative clock drifts using IEEE 802.11 beacons | |
| US12181564B1 (en) | Dual round trip time mitigation for wireless local area network devices | |
| Yang et al. | Driver layer approach to time-of-arrival ranging in IEEE 802.11 g networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20041214 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20041214 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20051101 |
|
| A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20051213 |
|
| A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20051228 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060110 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060313 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20060411 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20060424 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100512 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110512 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110512 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120512 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120512 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130512 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130512 Year of fee payment: 7 |
|
| LAPS | Cancellation because of no payment of annual fees |