[go: up one dir, main page]

BRPI0820860A2 - método para aperfeiçoar uma estimativa de diferença de tempó de chegada e sistema de localização sem fio para o uso na localização de um tranmissor móvel - Google Patents

método para aperfeiçoar uma estimativa de diferença de tempó de chegada e sistema de localização sem fio para o uso na localização de um tranmissor móvel

Info

Publication number
BRPI0820860A2
BRPI0820860A2 BRPI0820860A BRPI0820860A BRPI0820860A2 BR PI0820860 A2 BRPI0820860 A2 BR PI0820860A2 BR PI0820860 A BRPI0820860 A BR PI0820860A BR PI0820860 A BRPI0820860 A BR PI0820860A BR PI0820860 A2 BRPI0820860 A2 BR PI0820860A2
Authority
BR
Brazil
Prior art keywords
refining
locating
time difference
arrival time
location system
Prior art date
Application number
BRPI0820860A
Other languages
English (en)
Inventor
S Mia Rashidus
J Anderson Robert
Lefever Ronald
Original Assignee
Trueposition 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 Trueposition Inc filed Critical Trueposition Inc
Publication of BRPI0820860A2 publication Critical patent/BRPI0820860A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • G01S5/0215—Interference
    • 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
    • G01S5/0218—Multipath in signal reception
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel

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)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
BRPI0820860A 2007-12-10 2008-12-09 método para aperfeiçoar uma estimativa de diferença de tempó de chegada e sistema de localização sem fio para o uso na localização de um tranmissor móvel BRPI0820860A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/953,585 US7667649B2 (en) 2007-12-10 2007-12-10 Detection of time of arrival of CDMA signals in a wireless location system
PCT/US2008/086086 WO2009076365A1 (en) 2007-12-10 2008-12-09 Detection of time of arrival of cdma signals in a wireless location system

Publications (1)

Publication Number Publication Date
BRPI0820860A2 true BRPI0820860A2 (pt) 2018-02-14

Family

ID=40722154

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0820860A BRPI0820860A2 (pt) 2007-12-10 2008-12-09 método para aperfeiçoar uma estimativa de diferença de tempó de chegada e sistema de localização sem fio para o uso na localização de um tranmissor móvel

Country Status (12)

Country Link
US (1) US7667649B2 (pt)
EP (1) EP2235555A4 (pt)
JP (1) JP5547650B2 (pt)
KR (1) KR20100112130A (pt)
CN (1) CN101821645B (pt)
AU (1) AU2008335252B2 (pt)
BR (1) BRPI0820860A2 (pt)
CA (1) CA2701108C (pt)
GB (1) GB2468815B (pt)
IL (1) IL204493A (pt)
MX (1) MX2010006128A (pt)
WO (1) WO2009076365A1 (pt)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8103293B2 (en) 2006-10-17 2012-01-24 Itt Manufacturing Enterprises, Inc. System and related circuits and methods for detecting and locating wireless communication device use within a geographical area or facility
FR2908218B1 (fr) * 2006-11-07 2014-08-15 Thales Sa Dispositif d'aide a la navigation d'un aeronef dans une zone aeroportuaire
KR101042751B1 (ko) * 2008-02-20 2011-06-20 삼성전자주식회사 무선 환경에서 거리를 측정하는 장치 및 방법
US20100171657A1 (en) * 2008-06-12 2010-07-08 Northern Illinois University System and method for wireless positioning and location determination
US20110080320A1 (en) * 2009-10-02 2011-04-07 etherwhere Corporation Signal processing techniques for improving the sensitivity of GPS receivers
US7924224B2 (en) * 2008-08-15 2011-04-12 Trueposition, Inc. Variable coherence integration for the location of weak signals
ES2355562B1 (es) * 2008-12-09 2012-02-02 Vodafone España, S.A.U. Procedimiento y dispositivo para controlar conexiones de múltiples caminos en redes de acceso por radio.
US7899085B2 (en) * 2009-04-09 2011-03-01 Itt Manufacturing Enterprises, Inc. Ranging between radios using pseudo time of arrival sequence
US8041336B2 (en) * 2009-05-29 2011-10-18 Itt Manufacturing Enterprises, Inc. Methods and apparatus for accurately determining signal time of arrival
US8170815B2 (en) * 2009-06-08 2012-05-01 Rockstar Bidco Lp RF fingerprinting for location estimation
US8134990B2 (en) * 2009-12-14 2012-03-13 Telefonaktiebolaget Lm Ericsson (Publ) Defining adaptive detection thresholds
US8837307B2 (en) 2010-05-26 2014-09-16 Qualcomm Incorporated Two-way ranging messaging scheme
US8886148B2 (en) 2010-05-26 2014-11-11 Qualcomm Incorporated Signal based gain control
US8879407B2 (en) 2010-05-26 2014-11-04 Qualcomm Incorporated Two-way ranging messaging scheme
US8812063B2 (en) 2010-05-26 2014-08-19 Qualcomm Incorporated Signal characteristic-based leading edge detection
US8626214B2 (en) * 2010-06-22 2014-01-07 Alcatel Lucent Method of cancelling interference in sounding reference signals
US8831141B2 (en) * 2010-06-25 2014-09-09 Qualcomm Incorporated Leading edge detection
CN101980574A (zh) * 2010-10-12 2011-02-23 中兴通讯股份有限公司 一种通过gmlc实现定位的方法及装置
US8331955B2 (en) 2010-12-28 2012-12-11 Trueposition, Inc. Robust downlink frame synchronization schemes in CDMA wireless networks for geo-location
WO2012100240A2 (en) * 2011-01-22 2012-07-26 Diani Systems, Inc. High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radios
WO2013040772A1 (zh) * 2011-09-21 2013-03-28 中兴通讯股份有限公司 一种基于信道估计的定位方法及装置
US8660015B2 (en) 2011-12-27 2014-02-25 Trueposition, Inc. Location of mobile devices served by a relay node
US9383436B2 (en) 2012-01-18 2016-07-05 Tdc Acquisition Holdings, Inc. One way time of flight distance measurement
WO2013166546A1 (en) * 2012-05-07 2013-11-14 Commonwealth Scientific And Industrial Research Organisation Wireless positioning
CN102857313A (zh) * 2012-09-27 2013-01-02 中国人民解放军总参谋部第五十七研究所 一种基于解调信号的无线电话音辐射源时差定位方法
US10588107B2 (en) 2012-10-26 2020-03-10 Telefonaktiebolaget Lm Ericsson (Publ) Methods of positioning in a system comprising measuring nodes with multiple receiving points
WO2014117273A1 (en) * 2013-02-04 2014-08-07 Takemetuit Inc. Method of processing positioning signals in positioning systems to accurately determine a true arrival time of each signal
CN104076328B (zh) * 2013-03-29 2016-12-28 日电（中国）有限公司 信号检测的方法及装置
EP3041736B1 (en) * 2013-09-06 2019-02-20 LM Wind Power International Technology II ApS One way time of flight distance measurement
US10444321B2 (en) 2013-12-31 2019-10-15 Red Point Positioning Corporation Method and system to estimate the location of a mobile device using time difference of arrival in an asynchronous wireless network
CN104837153B (zh) * 2014-02-10 2018-08-10 中国移动通信集团公司 检测信令时间准确性的方法及装置、系统及信令接收器
US10042037B2 (en) * 2014-02-20 2018-08-07 Nestwave Sas System and method for estimating time of arrival (TOA)
KR102258059B1 (ko) * 2014-08-14 2021-05-28 삼성전자주식회사 무선 거리 측정 장치 및 방법
CN104320208A (zh) * 2014-11-11 2015-01-28 西华大学 一种空中无线电监测方法
CN104519570B (zh) * 2014-12-17 2017-11-14 天津工业大学 一种基于射频识别技术的二维tdoa协作节点部署方法
US11115964B2 (en) 2015-02-12 2021-09-07 Huawei Technologies Co., Ltd. System and method for auto-detection of WLAN packets using header
JP6488808B2 (ja) * 2015-03-24 2019-03-27 三菱電機株式会社 時間差測位システム
US9853787B2 (en) * 2015-06-24 2017-12-26 Nxp Usa, Inc. Carrier frequency offset estimation for wireless communication
KR101811221B1 (ko) * 2016-02-17 2017-12-21 주식회사 이노와이어리스 신호 분석기의 ｗｃｄｍａ 신호 타이밍 오프셋 처리 방법
CN109313252B (zh) * 2016-06-22 2023-07-18 苹果公司 用于定位的通信设备和方法
ES2738624T3 (es) * 2016-08-12 2020-01-24 Nokia Technologies Oy Detección de posición de equipos de usuario dentro de una red de telecomunicaciones inalámbrica
JP7241296B2 (ja) * 2018-03-08 2023-03-17 パナソニックＩｐマネジメント株式会社 通信装置、位置推定方法、位置推定プログラム、および通信システム
CN108761434B (zh) * 2018-03-27 2022-06-28 中国电子科技集团公司第二十九研究所 一种基于cdma下行信号的伪距测量方法及系统
US12468003B2 (en) 2018-08-07 2025-11-11 Nextnav France Indoor and outdoor geolocation and time of arrival estimation using wireless signals
WO2020128764A2 (en) * 2018-12-20 2020-06-25 Telefonaktiebolaget Lm Ericsson (Publ) Uplink coordinated multipoint positioning
US11353540B2 (en) * 2019-12-19 2022-06-07 Raytheon Company Method of processing incoming signals received at spatially-separated receivers
CN111901743B (zh) 2020-04-01 2025-07-29 中兴通讯股份有限公司 到达时间的确定方法、装置、信号接收设备及存储介质
CN112599126B (zh) * 2020-12-03 2022-05-27 海信视像科技股份有限公司 一种智能设备的唤醒方法、智能设备及计算设备
CN112666520B (zh) * 2020-12-17 2022-09-13 中北大学 一种可调响应时频谱声源定位方法及系统
CN113721190B (zh) * 2021-10-28 2022-02-15 深圳市海豚科技创新有限公司 用于终端的信号处理方法、装置、计算机设备及介质
CN113702904B (zh) * 2021-10-28 2022-01-25 深圳市海豚科技创新有限公司 信号到达时间估算方法、装置、计算机设备及介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5327144A (en) 1993-05-07 1994-07-05 Associated Rt, Inc. Cellular telephone location system
US5488662A (en) * 1994-03-10 1996-01-30 Motorola, Inc. System and method for identifying an arrival time of a communicated signal
US5874916A (en) 1996-01-25 1999-02-23 Lockheed Martin Corporation Frequency selective TDOA/FDOA cross-correlation
US6047192A (en) * 1996-05-13 2000-04-04 Ksi Inc. Robust, efficient, localization system
US6108555A (en) * 1996-05-17 2000-08-22 Ksi, Inc. Enchanced time difference localization system
US6782264B2 (en) * 1999-01-08 2004-08-24 Trueposition, Inc. Monitoring of call information in a wireless location system
US7783299B2 (en) * 1999-01-08 2010-08-24 Trueposition, Inc. Advanced triggers for location-based service applications in a wireless location system
US6184829B1 (en) * 1999-01-08 2001-02-06 Trueposition, Inc. Calibration for wireless location system
US6876859B2 (en) * 2001-07-18 2005-04-05 Trueposition, Inc. Method for estimating TDOA and FDOA in a wireless location system
US6760387B2 (en) 2001-09-21 2004-07-06 Time Domain Corp. Impulse radio receiver and method for finding angular offset of an impulse radio transmitter
CN1202688C (zh) * 2001-10-18 2005-05-18 华为技术有限公司 利用信号达到时间和时间差估计移动台位置的方法及装置
US7308022B2 (en) * 2001-11-01 2007-12-11 Rick Roland R Parameter estimator configured to distinguish between peaks and sidelobes of correlation function
US7302269B1 (en) * 2004-03-18 2007-11-27 Cisco Technology, Inc. Radiolocation in a wireless network using time difference of arrival
JP5247056B2 (ja) * 2006-04-03 2013-07-24 三菱電機株式会社 伝搬遅延時間測定装置およびレーダ装置
US7577445B2 (en) * 2006-08-03 2009-08-18 Ntt Docomo, Inc. Line-of-sight (LOS) or non-LOS (NLOS) identification method using multipath channel statistics

Also Published As

Publication number Publication date
WO2009076365A1 (en) 2009-06-18
IL204493A (en) 2014-07-31
MX2010006128A (es) 2010-08-23
JP2011508873A (ja) 2011-03-17
EP2235555A4 (en) 2015-04-22
CN101821645A (zh) 2010-09-01
US7667649B2 (en) 2010-02-23
AU2008335252A1 (en) 2009-06-18
EP2235555A1 (en) 2010-10-06
US20090149132A1 (en) 2009-06-11
GB2468815A (en) 2010-09-22
AU2008335252B2 (en) 2011-11-10
GB2468815B (en) 2012-03-14
GB201011717D0 (en) 2010-08-25
CA2701108A1 (en) 2009-06-18
KR20100112130A (ko) 2010-10-18
CN101821645B (zh) 2013-06-19
CA2701108C (en) 2013-07-16
JP5547650B2 (ja) 2014-07-16

Similar Documents

Publication Publication Date Title
BRPI0820860A2 (pt) método para aperfeiçoar uma estimativa de diferença de tempó de chegada e sistema de localização sem fio para o uso na localização de um tranmissor móvel
BRPI0814743A2 (pt) Método e aparelho para determinar temporização de células em um sistema de comunicação sem fio.
BRPI0819270A2 (pt) Método e sistema para o uso na provisão de dados de configuração em um sistema de localização sem fio e sistema de localização sem fio (wls)
BRPI0717422A2 (pt) Dispositivo móvel sem fio e método para uso por um dispositivo móvel sem fio
BRPI0716323A2 (pt) Método e dispositivo para a melhoria da recepção descontínua em um sistema sem fio
BRPI0917662A2 (pt) sistema de localizaçao sem fio gnss e tdoa híbrido
BRPI1008100A2 (pt) método e sistema para a determinação de localização de equipamento de usuário em um sistema de transmissão sem fio.
BRPI0917526A2 (pt) métodos e equipamentos para processar intervalos de medição em um sistema de comunicação sem fio
BRPI0921899A2 (pt) métodod e sistema para localizar um dispositivo de cominicação móvel multimodo em um sistema de comunicação sem fio que emprega uma pluralidade de tecnologias de acesso por rádio
BRPI0717078A2 (pt) Métodos e equipamento para transmitir uma estrutura de quadro em um sistema de comunicação sem fio
BR112012032824A2 (pt) método e arranjo para paginação em um sistema de comunicações sem fio
BRPI0719822A2 (pt) Handover para qualquer célula de uma estação base alvo em um sistema de comunicação sem fio
BRPI0920389A2 (pt) métodos e equipamento para seleção de sistema em aparelho sem fio multimodo
BRPI0923250A2 (pt) sistema e método para compartilhar informações entre dispostivos sem fio
BRPI0815221A2 (pt) Método e aparelho para conformação de feixes de informações de controle em um sistema de comunicação sem fio
BRPI1013140A2 (pt) método e aparelho para procedimento de acesso em um sistema de comunicação sem fio
BRPI1012946A2 (pt) "sistemas e métodos para seleção de portadora de componente em um sistema de comunicação sem fio"
BRPI0914178A2 (pt) método e aparelho para priorização de mensagens de status em um sistema de comunicação sem fio
BRPI0811455A2 (pt) Aparelho e método para uso em um sistema de comunicação móvel/de mão
BRPI0806973A2 (pt) Uso de palavras-código em um sistema de comunicação sem fio
BRPI0819918A2 (pt) sistema e método para furo abaixo.
BR112012006327A2 (pt) dispositivo para comunicação sem fio, sistema de comunicação sem fio, e método de comunicação sem fio
ZA201002454B (en) Position information providing system indoor transmitter and method for providing position information
BRPI0909002A2 (pt) aparelho para uso em um poço, sistema, e método para uso em um poço
BRPI0816349A2 (pt) sistema, sistema para uso em um poço, e método

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]