JP4065437B2 - 無線信号強度を使用する装置位置測定システムのキャリブレーション - Google Patents
無線信号強度を使用する装置位置測定システムのキャリブレーション Download PDFInfo
- Publication number
- JP4065437B2 JP4065437B2 JP2004090393A JP2004090393A JP4065437B2 JP 4065437 B2 JP4065437 B2 JP 4065437B2 JP 2004090393 A JP2004090393 A JP 2004090393A JP 2004090393 A JP2004090393 A JP 2004090393A JP 4065437 B2 JP4065437 B2 JP 4065437B2
- Authority
- JP
- Japan
- Prior art keywords
- kernel
- signal
- properties
- signal properties
- regression
- 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
- 230000006870 function Effects 0.000 claims description 69
- 238000000034 method Methods 0.000 claims description 54
- 239000013598 vector Substances 0.000 claims description 48
- 238000004422 calculation algorithm Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 14
- 238000004891 communication Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000005055 memory storage Effects 0.000 description 5
- 235000014510 cooky Nutrition 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/206—Instruments for performing navigational calculations specially adapted for indoor navigation
-
- 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
- G01S5/0252—Radio frequency fingerprinting
- G01S5/02528—Simulating radio frequency fingerprints
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/22—Traffic simulation tools or models
- H04W16/225—Traffic simulation tools or models for indoor or short range network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/18—Service support devices; Network management devices
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/423,093 US6992625B1 (en) | 2003-04-25 | 2003-04-25 | Calibration of a device location measurement system that utilizes wireless signal strengths |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004325440A JP2004325440A (ja) | 2004-11-18 |
| JP2004325440A5 JP2004325440A5 (enExample) | 2007-02-15 |
| JP4065437B2 true JP4065437B2 (ja) | 2008-03-26 |
Family
ID=32962448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004090393A Expired - Fee Related JP4065437B2 (ja) | 2003-04-25 | 2004-03-25 | 無線信号強度を使用する装置位置測定システムのキャリブレーション |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US6992625B1 (enExample) |
| EP (1) | EP1471688B1 (enExample) |
| JP (1) | JP4065437B2 (enExample) |
| KR (1) | KR100938047B1 (enExample) |
| CN (1) | CN100523860C (enExample) |
Families Citing this family (76)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6992625B1 (en) * | 2003-04-25 | 2006-01-31 | Microsoft Corporation | Calibration of a device location measurement system that utilizes wireless signal strengths |
| US7250907B2 (en) * | 2003-06-30 | 2007-07-31 | Microsoft Corporation | System and methods for determining the location dynamics of a portable computing device |
| US7346359B2 (en) * | 2003-07-31 | 2008-03-18 | Pango Networks, Inc. | Method for RF fingerprinting |
| WO2005062066A2 (en) * | 2003-10-22 | 2005-07-07 | Awarepoint Corporation | Wireless position location and tracking system |
| US7209751B2 (en) * | 2004-03-30 | 2007-04-24 | Sony Corporation | System and method for proximity motion detection in a wireless network |
| US7317914B2 (en) * | 2004-09-24 | 2008-01-08 | Microsoft Corporation | Collaboratively locating disconnected clients and rogue access points in a wireless network |
| US7760654B2 (en) * | 2004-09-24 | 2010-07-20 | Microsoft Corporation | Using a connected wireless computer as a conduit for a disconnected wireless computer |
| US7603460B2 (en) | 2004-09-24 | 2009-10-13 | Microsoft Corporation | Detecting and diagnosing performance problems in a wireless network through neighbor collaboration |
| US7627537B2 (en) * | 2004-10-28 | 2009-12-01 | Intel Corporation | Score result reuse for Bayesian network structure learning |
| US20060094375A1 (en) * | 2004-11-03 | 2006-05-04 | Mcginley Robert | Portable survey inspection device |
| CN101091177B (zh) * | 2004-12-31 | 2010-05-26 | 英特尔公司 | 贝叶斯网络结构学习并行化的方法、设备及系统 |
| US7275014B1 (en) | 2005-02-10 | 2007-09-25 | At&T Corporation | Distributed graph layout for sensor node networks |
| US7403784B2 (en) * | 2005-03-10 | 2008-07-22 | Avaya Technology Corp. | Method and apparatus for positioning a set of terminals in an indoor wireless environment |
| US20070129084A1 (en) * | 2005-12-05 | 2007-06-07 | Nortel Networks Limited | Creating and recognizing user-defined locations using communication terminals |
| US7579952B2 (en) * | 2006-07-31 | 2009-08-25 | Caterpillar Inc. | System and method to identify and track RFID tags |
| KR100775858B1 (ko) * | 2006-11-07 | 2007-11-13 | 한국전자통신연구원 | 실내 무선 측위용 환경 분석 시스템 및 그 방법 |
| US7701393B2 (en) * | 2006-12-19 | 2010-04-20 | The Boeing Company | Radio frequency navigation using frequency response matching |
| EP2118810B1 (en) | 2007-02-05 | 2012-08-15 | Andrew Corporation | System and method for optimizing location estimate of mobile unit |
| TWI353140B (en) | 2007-03-14 | 2011-11-21 | Quanta Comp Inc | Wireless communication system for automatically ge |
| US8077205B2 (en) * | 2007-06-14 | 2011-12-13 | Sony Corporation | Adaptive prediction of calibration parameters for color imaging devices |
| KR101236910B1 (ko) | 2007-10-09 | 2013-02-25 | 삼성전자주식회사 | 근거리 무선 통신을 통하여 다른 디바이스와 관련된 동작을수행하는 방법 및 그 장치 |
| JP5203670B2 (ja) * | 2007-10-25 | 2013-06-05 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 位置推定システム、方法及びプログラム |
| US8219116B1 (en) * | 2007-11-27 | 2012-07-10 | Google Inc. | Wireless base station location estimation |
| KR100954455B1 (ko) * | 2008-01-28 | 2010-04-27 | 인하대학교 산학협력단 | 위치 인식 방법 |
| KR100950941B1 (ko) | 2008-02-04 | 2010-04-01 | 강릉원주대학교산학협력단 | 보정 노드를 기반으로 하는 이동 노드의 위치 추정 시스템및 방법 |
| KR101058296B1 (ko) | 2008-09-10 | 2011-08-22 | 삼성에스디에스 주식회사 | 모바일 디바이스에 대한 실시간 위치 추적 방법 및 시스템 |
| WO2010048146A1 (en) * | 2008-10-20 | 2010-04-29 | Carnegie Mellon University | System, method and device for predicting navigational decision-making behavior |
| TWI376521B (en) * | 2008-11-27 | 2012-11-11 | Ind Tech Res Inst | Collection and construction of training location data of positioning system and positioning method therefor |
| FR2944603B1 (fr) * | 2009-04-17 | 2014-07-11 | Univ Troyes Technologie | Systeme et procede de localisation de cible par un reseau d'emetteurs recepteurs |
| US20100304762A1 (en) * | 2009-05-27 | 2010-12-02 | Bernard Joseph Hall | Indoor tracking system |
| US8350758B1 (en) * | 2009-10-01 | 2013-01-08 | Lighthouse Signal Systems LLC | Systems and methods for indoor geolocation based on yield of RF signals |
| US20110102267A1 (en) * | 2009-10-30 | 2011-05-05 | Janiszewski Tom J | Method and system for determining location information |
| US8565790B2 (en) | 2010-01-22 | 2013-10-22 | Qualcomm Incorporated | Methods and apparatuses for determining if access to a region is feasible or infeasible for a user of a mobile device |
| TWI427313B (zh) * | 2010-02-09 | 2014-02-21 | Univ Nat Pingtung Sci & Tech | Rfid標籤定位演算方法 |
| CN103119470B (zh) * | 2010-07-21 | 2015-09-16 | 韩国贸易信息通信株式会社 | 进行室内导航的基于位置服务的系统和方法 |
| EP2418513A1 (en) | 2010-08-10 | 2012-02-15 | Astrium GmbH | Computing of robust and improved signal-in-space accuracy parameters in a regional or global navigation satellite system |
| JP5166502B2 (ja) * | 2010-10-21 | 2013-03-21 | 株式会社日立製作所 | 測位データ管理サーバ及び測位データ管理方法 |
| US8565783B2 (en) * | 2010-11-24 | 2013-10-22 | Microsoft Corporation | Path progression matching for indoor positioning systems |
| US8981995B2 (en) | 2011-06-03 | 2015-03-17 | Microsoft Technology Licensing, Llc. | Low accuracy positional data by detecting improbable samples |
| US9470529B2 (en) | 2011-07-14 | 2016-10-18 | Microsoft Technology Licensing, Llc | Activating and deactivating sensors for dead reckoning |
| US9464903B2 (en) | 2011-07-14 | 2016-10-11 | Microsoft Technology Licensing, Llc | Crowd sourcing based on dead reckoning |
| WO2013022440A1 (en) * | 2011-08-09 | 2013-02-14 | Research In Motion Limited | Harvesting communication parameter observations in gnss-denied environments |
| US10184798B2 (en) | 2011-10-28 | 2019-01-22 | Microsoft Technology Licensing, Llc | Multi-stage dead reckoning for crowd sourcing |
| US9429657B2 (en) | 2011-12-14 | 2016-08-30 | Microsoft Technology Licensing, Llc | Power efficient activation of a device movement sensor module |
| US20140044005A1 (en) * | 2012-01-19 | 2014-02-13 | Xirrus, Inc. | System and method for conducting wireless site surveys using wireless network design criteria |
| EP2825900A1 (en) * | 2012-03-15 | 2015-01-21 | Nokia Corporation | Supporting storage of data |
| US9319065B2 (en) | 2012-03-15 | 2016-04-19 | Nokia Technologies Oy | Encoding and decoding of data |
| JP5979945B2 (ja) | 2012-04-09 | 2016-08-31 | 任天堂株式会社 | 情報処理プログラム、情報処理装置、情報処理システムおよび情報処理方法 |
| US9817125B2 (en) | 2012-09-07 | 2017-11-14 | Microsoft Technology Licensing, Llc | Estimating and predicting structures proximate to a mobile device |
| TWI489126B (zh) * | 2012-12-19 | 2015-06-21 | Ind Tech Res Inst | 一種動態無線訊號強度修正系統與方法 |
| WO2014107526A1 (en) * | 2013-01-03 | 2014-07-10 | Cinarra Systems Pte. Ltd. | Methods and systems for dynamic detection of consumer venue walk-ins |
| US20140297485A1 (en) * | 2013-03-29 | 2014-10-02 | Lexmark International, Inc. | Initial Calibration of Asset To-Be-Tracked |
| KR101800980B1 (ko) * | 2013-07-12 | 2017-11-23 | 미쓰비시덴키 가부시키가이샤 | 네트워크 시스템, 휴대 단말 장치 및 대상 기기 특정 방법 |
| KR101466514B1 (ko) * | 2013-11-27 | 2014-11-28 | 한양대학교 산학협력단 | 위치 측위 방법 및 그 장치 |
| US20150192658A1 (en) * | 2014-01-07 | 2015-07-09 | OmniTrail Technologies | Systems and methods for mobile device microlocation |
| US9485746B2 (en) * | 2014-06-03 | 2016-11-01 | Cisco Technology, Inc. | Location classification accuracy for devices inside and outside of a deployment area |
| JP6204889B2 (ja) * | 2014-09-01 | 2017-09-27 | 日本電信電話株式会社 | 通信エリア推定システム、サーバ装置、通信エリア推定方法及び通信エリア推定プログラム |
| US9131403B1 (en) * | 2014-09-25 | 2015-09-08 | Ibwave Solutions Inc. | Method, computing device and computer program product for visual representation of RF propagation |
| TWI544822B (zh) * | 2014-12-17 | 2016-08-01 | 緯創資通股份有限公司 | 訊號強度分佈建立方法及無線定位系統 |
| JP6800881B2 (ja) * | 2015-03-30 | 2020-12-16 | アフェロ インコーポレイテッドAfero, Inc. | IoTシステムにおいてユーザ位置を正確に検知するためのシステム及び方法 |
| CN105890580B (zh) * | 2016-04-06 | 2018-01-30 | 马嘉伦 | 一种室内空间测绘系统及测绘方法 |
| US10200810B2 (en) | 2016-06-12 | 2019-02-05 | Apple Inc. | Proactive actions on mobile device using uniquely-identifiable and unlabeled locations |
| US10117046B2 (en) | 2016-06-12 | 2018-10-30 | Apple Inc. | Discrete location classification |
| US10091303B1 (en) | 2016-06-12 | 2018-10-02 | Apple Inc. | Using in-home location awareness |
| US10244360B2 (en) | 2016-06-12 | 2019-03-26 | Apple Inc. | Determining location of mobile device using sensor space to physical space mapping |
| CN106793067A (zh) * | 2016-11-29 | 2017-05-31 | 上海斐讯数据通信技术有限公司 | 一种基于联合网络的多楼层室内定位方法及服务器 |
| FR3064074B1 (fr) * | 2017-03-15 | 2019-05-03 | Sigfox | Procede et systeme de geolocalisation d’un terminal d’un systeme de communication sans fil |
| WO2019152849A1 (en) | 2018-02-02 | 2019-08-08 | Cornell University | Channel charting in wireless systems |
| JP2019144120A (ja) * | 2018-02-21 | 2019-08-29 | 国立大学法人九州工業大学 | 屋内位置推定システム、屋内位置推定方法、及び屋内位置推定方法を実行するプログラム |
| US10382152B1 (en) * | 2018-06-29 | 2019-08-13 | IBT Connect R&D, LLC | Spectrum monitor system and apparatus for radio coverage testing |
| US10945190B2 (en) | 2019-01-04 | 2021-03-09 | Apple Inc. | Predictive routing based on microlocation |
| US11567186B2 (en) | 2019-03-19 | 2023-01-31 | Kabushiki Kaisha Toshiba | Compensating radio tracking with comparison to image based tracking |
| CN110213733B (zh) * | 2019-05-23 | 2022-07-19 | 武汉金牛经济发展有限公司 | 一种电磁热熔焊机物联网络系统 |
| CN114374997B (zh) * | 2021-12-28 | 2024-09-13 | 中国电信股份有限公司 | 一种无线信号仿真方法、装置、电子设备及介质 |
| CN114485916B (zh) * | 2022-01-12 | 2023-01-17 | 广州声博士声学技术有限公司 | 一种环境噪声监测方法、系统、计算机设备和存储介质 |
| US11922000B2 (en) * | 2022-03-29 | 2024-03-05 | At&T Mobility Ii Llc | Method and apparatus for generating a venue map from a digital image |
Family Cites Families (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO940977L (no) * | 1993-04-06 | 1994-10-05 | Alcatel Str Ag | Fremgangsmåte og anordning for å sikre tjenestekvaliteten i et mobilt radiosystem |
| SE9302140L (sv) * | 1993-06-21 | 1994-08-29 | Televerket | Förfarande för lokalisering av mobilstationer i digitalt telenät |
| US5555376A (en) | 1993-12-03 | 1996-09-10 | Xerox Corporation | Method for granting a user request having locational and contextual attributes consistent with user policies for devices having locational attributes consistent with the user request |
| US5493692A (en) | 1993-12-03 | 1996-02-20 | Xerox Corporation | Selective delivery of electronic messages in a multiple computer system based on context and environment of a user |
| US5812865A (en) | 1993-12-03 | 1998-09-22 | Xerox Corporation | Specifying and establishing communication data paths between particular media devices in multiple media device computing systems based on context of a user or users |
| US5602903A (en) * | 1994-09-28 | 1997-02-11 | Us West Technologies, Inc. | Positioning system and method |
| GB2311697B (en) * | 1996-03-22 | 1999-07-28 | Matsushita Electric Industrial Co Ltd | Wireless communication system and method and system for detection of position of radio mobile station |
| US6035104A (en) | 1996-06-28 | 2000-03-07 | Data Link Systems Corp. | Method and apparatus for managing electronic documents by alerting a subscriber at a destination other than the primary destination |
| US6112095A (en) * | 1997-01-08 | 2000-08-29 | Us Wireless Corporation | Signature matching for location determination in wireless communication systems |
| US6108557A (en) * | 1997-01-08 | 2000-08-22 | Us Wireless Corporation | Signature matching for location determination in wireless communication systems |
| US6084546A (en) | 1997-01-08 | 2000-07-04 | Us Wireless Corporation | Location determination in wireless communication systems using velocity information |
| FI105005B (fi) | 1997-05-13 | 2000-05-15 | Nokia Networks Oy | Päätelaitteen nopeuden estimoimismenetelmä, solun valitsemismenetelmä ja radiojärjestelmä |
| US6052598A (en) | 1997-09-30 | 2000-04-18 | At&T Corp | Method for predicting the location of a mobile station in a mobile communications network |
| KR100250477B1 (ko) * | 1997-12-06 | 2000-04-01 | 정선종 | 무선랜을 이용한 이동 단말의 집중 처리 위치 추적 방법 |
| US6161018A (en) * | 1998-02-27 | 2000-12-12 | Motorola, Inc. | Method and system for estimating a subscriber's location in a wireless communication system service area |
| US6269246B1 (en) | 1998-09-22 | 2001-07-31 | Ppm, Inc. | Location determination using RF fingerprinting |
| US6393294B1 (en) * | 1998-09-22 | 2002-05-21 | Polaris Wireless, Inc. | Location determination using RF fingerprinting |
| US6266014B1 (en) * | 1998-10-09 | 2001-07-24 | Cell-Loc Inc. | Methods and apparatus to position a mobile receiver using downlink signals part IV |
| EP1133836B1 (en) * | 1998-11-24 | 2013-11-13 | Intel Corporation | Method and apparatus for calibrating a wireless communications station having an antenna array |
| US6812937B1 (en) | 1998-12-18 | 2004-11-02 | Tangis Corporation | Supplying enhanced computer user's context data |
| US7107539B2 (en) | 1998-12-18 | 2006-09-12 | Tangis Corporation | Thematic response to a computer user's context, such as by a wearable personal computer |
| US7076737B2 (en) | 1998-12-18 | 2006-07-11 | Tangis Corporation | Thematic response to a computer user's context, such as by a wearable personal computer |
| US6968333B2 (en) | 2000-04-02 | 2005-11-22 | Tangis Corporation | Soliciting information based on a computer user's context |
| US6842877B2 (en) | 1998-12-18 | 2005-01-11 | Tangis Corporation | Contextual responses based on automated learning techniques |
| US7137069B2 (en) | 1998-12-18 | 2006-11-14 | Tangis Corporation | Thematic response to a computer user's context, such as by a wearable personal computer |
| US7055101B2 (en) | 1998-12-18 | 2006-05-30 | Tangis Corporation | Thematic response to a computer user's context, such as by a wearable personal computer |
| US6791580B1 (en) | 1998-12-18 | 2004-09-14 | Tangis Corporation | Supplying notifications related to supply and consumption of user context data |
| US6466232B1 (en) | 1998-12-18 | 2002-10-15 | Tangis Corporation | Method and system for controlling presentation of information to a user based on the user's condition |
| US6513046B1 (en) | 1999-12-15 | 2003-01-28 | Tangis Corporation | Storing and recalling information to augment human memories |
| US6747675B1 (en) | 1998-12-18 | 2004-06-08 | Tangis Corporation | Mediating conflicts in computer user's context data |
| US6801223B1 (en) | 1998-12-18 | 2004-10-05 | Tangis Corporation | Managing interactions between computer users' context models |
| JP3607516B2 (ja) * | 1999-01-20 | 2005-01-05 | 松下電器産業株式会社 | 移動体マップマッチング装置 |
| US6330429B1 (en) | 1999-04-14 | 2001-12-11 | Lucent Technologies, Inc. | Channel grouping system and method for a wireless communications system |
| US6263208B1 (en) * | 1999-05-28 | 2001-07-17 | Lucent Technologies Inc. | Geolocation estimation method for CDMA terminals based on pilot strength measurements |
| US6535833B1 (en) | 1999-11-22 | 2003-03-18 | Nokia Mobile Phones Ltd. | Method and apparatus for filtering measurements used in a generalized positioning system |
| EP1109031A1 (de) | 1999-12-10 | 2001-06-20 | Ascom Systec AG | Verfahren und Einrichtung zum Lokalisieren eines mobilen Terminals |
| JP2002160185A (ja) * | 2000-03-31 | 2002-06-04 | Sony Corp | ロボット装置、ロボット装置の行動制御方法、外力検出装置及び外力検出方法 |
| WO2002033541A2 (en) | 2000-10-16 | 2002-04-25 | Tangis Corporation | Dynamically determining appropriate computer interfaces |
| US20020044152A1 (en) | 2000-10-16 | 2002-04-18 | Abbott Kenneth H. | Dynamic integration of computer generated and real world images |
| US20020054130A1 (en) | 2000-10-16 | 2002-05-09 | Abbott Kenneth H. | Dynamically displaying current status of tasks |
| EP1205331B1 (en) * | 2000-11-14 | 2005-09-07 | Nissan Motor Company, Limited | Driving force control apparatus |
| FI111901B (fi) * | 2000-12-29 | 2003-09-30 | Ekahau Oy | Sijainnin arviointi langattomissa tietoliikenneverkoissa |
| JP4513219B2 (ja) * | 2001-03-06 | 2010-07-28 | 住友電気工業株式会社 | 前置型非線形歪補償器 |
| JP2003004835A (ja) | 2001-06-18 | 2003-01-08 | Teruya:Kk | 電界強度による位置測定法 |
| ATE365337T1 (de) | 2001-09-05 | 2007-07-15 | Newbury Networks Inc | Positionsdetektion und standortverfolgung in einem drahtlosen netzwerk |
| JP3536094B2 (ja) * | 2001-09-07 | 2004-06-07 | 独立行政法人通信総合研究所 | 多値変調の等化方法及びそれを用いたイコライザー |
| US7030814B2 (en) | 2001-09-07 | 2006-04-18 | Sirf Technology, Inc. | System and method to estimate the location of a receiver in a multi-path environment |
| US6873852B2 (en) | 2002-01-10 | 2005-03-29 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method of estimating the position of a mobile terminal in a radio telecommunications network |
| US6839027B2 (en) | 2002-11-15 | 2005-01-04 | Microsoft Corporation | Location measurement process for radio-frequency badges employing path constraints |
| US7747307B2 (en) | 2003-03-04 | 2010-06-29 | Calypso Medical Technologies, Inc. | Method and system for marker localization |
| US6992625B1 (en) * | 2003-04-25 | 2006-01-31 | Microsoft Corporation | Calibration of a device location measurement system that utilizes wireless signal strengths |
-
2003
- 2003-04-25 US US10/423,093 patent/US6992625B1/en not_active Expired - Lifetime
-
2004
- 2004-03-25 JP JP2004090393A patent/JP4065437B2/ja not_active Expired - Fee Related
- 2004-03-25 EP EP04007258.9A patent/EP1471688B1/en not_active Expired - Lifetime
- 2004-04-14 KR KR1020040025779A patent/KR100938047B1/ko not_active Expired - Fee Related
- 2004-04-26 CN CNB2004100434011A patent/CN100523860C/zh not_active Expired - Fee Related
-
2006
- 2006-01-30 US US11/342,515 patent/US7233286B2/en not_active Expired - Fee Related
-
2007
- 2007-06-14 US US11/763,422 patent/US7411549B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1471688B1 (en) | 2015-04-15 |
| US7233286B2 (en) | 2007-06-19 |
| CN100523860C (zh) | 2009-08-05 |
| CN1570664A (zh) | 2005-01-26 |
| EP1471688A2 (en) | 2004-10-27 |
| US7411549B2 (en) | 2008-08-12 |
| KR100938047B1 (ko) | 2010-01-21 |
| US20070241963A1 (en) | 2007-10-18 |
| KR20040092414A (ko) | 2004-11-03 |
| EP1471688A3 (en) | 2008-05-07 |
| US20060119516A1 (en) | 2006-06-08 |
| JP2004325440A (ja) | 2004-11-18 |
| US6992625B1 (en) | 2006-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4065437B2 (ja) | 無線信号強度を使用する装置位置測定システムのキャリブレーション | |
| JP5165181B2 (ja) | 携帯型コンピュータデバイスの所在と動態を割り出すシステムおよび方法 | |
| US9217788B2 (en) | Location and tracking system | |
| Krumm et al. | Locadio: Inferring motion and location from wi-fi signal strengths. | |
| US9763035B2 (en) | System, method and computer program for anonymous localization | |
| EP3108706B1 (en) | Localization of a wireless user equipmentdevice in a target zone | |
| US10057725B2 (en) | Sensor-based geolocation of a user device | |
| JP2005525003A (ja) | 無線ネットワークにおける位置検出および場所追跡 | |
| JP2015531053A (ja) | 無線マップを動的に作成するためのシステム、方法、及びコンピュータプログラム | |
| WO2013000073A9 (en) | An improved system and method for wireless positioning in wireless network-enabled environments | |
| US20170160375A1 (en) | Estimation of a level for an observation data set | |
| US20120050108A1 (en) | Unsupervised learning and location systems for tracking in wireless communication systems | |
| Pan et al. | Map-aided and UWB-based anchor placement method in indoor localization | |
| Zdruba et al. | Monte Carlo sampling based in-home location tracking with minimal RF infrastructure requirements | |
| Lemic et al. | Toward extrapolation of wifi fingerprinting performance across environments | |
| JP7353495B2 (ja) | 動的屋内環境におけるインフラストラクチャの無いrf追跡 | |
| Ebner et al. | On prior navigation knowledge in multi sensor indoor localisation | |
| CN110856255B (zh) | 一种抗差位置指纹定位方法 | |
| Trogh et al. | Advanced indoor localisation based on the Viterbi algorithm and semantic data | |
| Ko et al. | A proactive indoor positioning system in randomly deployed dense WiFi networks | |
| Chilipirea et al. | Proximity graphs for crowd movement sensors | |
| Alsehly | Adaptive indoor positioning system based on locating globally deployed WiFi signal sources | |
| Roncal | Particle filters for tracking in wireless sensor networks | |
| Achutegui Roncal | Particle filters for tracking in wireless sensor networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20061201 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20061204 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061222 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061222 |
|
| A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20061222 |
|
| A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20070116 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070123 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070423 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20070524 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070921 |
|
| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20071106 |
|
| 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: 20071214 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080104 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4065437 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110111 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110111 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120111 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130111 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |