BRPI0408766B1 - método para implementar um relógio virtual em tempo real com base em informações de tempo, método para prover uma estimativa de tempo absoluto com base em informações de tempo, memória legível por computador acoplada comunicativamente a um dispositivo de processamento de sinais digitais (dspd) e unidade receptora em um sistema de comunicação sem fio - Google Patents

método para implementar um relógio virtual em tempo real com base em informações de tempo, método para prover uma estimativa de tempo absoluto com base em informações de tempo, memória legível por computador acoplada comunicativamente a um dispositivo de processamento de sinais digitais (dspd) e unidade receptora em um sistema de comunicação sem fio Download PDF

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Publication number
BRPI0408766B1
BRPI0408766B1 BRPI0408766-6A BRPI0408766A BRPI0408766B1 BR PI0408766 B1 BRPI0408766 B1 BR PI0408766B1 BR PI0408766 A BRPI0408766 A BR PI0408766A BR PI0408766 B1 BRPI0408766 B1 BR PI0408766B1
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BR
Brazil
Prior art keywords
time
communication system
absolute
information
fact
Prior art date
Application number
BRPI0408766-6A
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English (en)
Portuguese (pt)
Inventor
Dominic Farmer
Original Assignee
Qualcomm Incorporated
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 Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of BRPI0408766A publication Critical patent/BRPI0408766A/pt
Publication of BRPI0408766B1 publication Critical patent/BRPI0408766B1/pt

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R20/00—Setting the time according to the time information carried or implied by the radio signal
    • G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electric Clocks (AREA)
BRPI0408766-6A 2003-03-27 2004-03-26 método para implementar um relógio virtual em tempo real com base em informações de tempo, método para prover uma estimativa de tempo absoluto com base em informações de tempo, memória legível por computador acoplada comunicativamente a um dispositivo de processamento de sinais digitais (dspd) e unidade receptora em um sistema de comunicação sem fio BRPI0408766B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/401,816 US7139225B2 (en) 2003-03-27 2003-03-27 Virtual real-time clock based on time information from multiple communication systems
US10/401,816 2003-03-27
PCT/US2004/009306 WO2004088880A2 (en) 2003-03-27 2004-03-26 Virtual real-time clock based on time information from multiple communication systems

Publications (2)

Publication Number Publication Date
BRPI0408766A BRPI0408766A (pt) 2006-04-18
BRPI0408766B1 true BRPI0408766B1 (pt) 2020-12-01

Family

ID=32989530

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0408766-6A BRPI0408766B1 (pt) 2003-03-27 2004-03-26 método para implementar um relógio virtual em tempo real com base em informações de tempo, método para prover uma estimativa de tempo absoluto com base em informações de tempo, memória legível por computador acoplada comunicativamente a um dispositivo de processamento de sinais digitais (dspd) e unidade receptora em um sistema de comunicação sem fio

Country Status (10)

Country Link
US (5) US7139225B2 (https=)
EP (3) EP3506529B1 (https=)
JP (1) JP4680893B2 (https=)
KR (1) KR101098675B1 (https=)
CN (1) CN1784841B (https=)
BR (1) BRPI0408766B1 (https=)
ES (1) ES2507668T3 (https=)
IL (1) IL171079A (https=)
MX (1) MXPA05010351A (https=)
WO (1) WO2004088880A2 (https=)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7925210B2 (en) 2001-05-21 2011-04-12 Sirf Technology, Inc. Synchronizing a radio network with end user radio terminals
US6873573B2 (en) * 2001-09-21 2005-03-29 Quartex, Inc. Wireless synchronous time system
US7454217B2 (en) * 2001-10-04 2008-11-18 Stephen William Edge Method and apparatus for wireless network timekeeping and synchronization
JP4600480B2 (ja) 2008-01-16 2010-12-15 セイコーエプソン株式会社 電子時計
US7642959B2 (en) * 2003-03-21 2010-01-05 Global Locate, Inc. Method and apparatus for processing satellite signals at a satellite positioning system receiver
US7139225B2 (en) * 2003-03-27 2006-11-21 Qualcomm, Incorporated Virtual real-time clock based on time information from multiple communication systems
DE10357201A1 (de) * 2003-12-08 2005-07-07 Atmel Germany Gmbh Funkuhr
US7953411B1 (en) * 2004-06-09 2011-05-31 Zte (Usa) Inc. Virtual soft hand over in OFDM and OFDMA wireless communication network
EP1896907A2 (en) * 2004-06-23 2008-03-12 Nxp B.V. Method for updating the present time in a mobile telephone, apparatus using the method and memory to implement the method.
CN100561903C (zh) * 2004-09-09 2009-11-18 松下电器产业株式会社 发送装置、中继装置、接收装置及具有这些装置的网络系统
US20060136350A1 (en) * 2004-11-26 2006-06-22 Jackson George G Space time continuum intercept detection system
JP2006214933A (ja) * 2005-02-04 2006-08-17 Seiko Epson Corp 測位システム、端末装置、端末装置の制御方法、端末装置の制御プログラム、端末装置の制御プログラムを記録したコンピュータ読み取り可能な記録媒体
US8700559B2 (en) * 2005-03-28 2014-04-15 Siemens Aktiengesellschaft Interface chaining to populate a class-based model
US8364185B2 (en) * 2005-04-18 2013-01-29 Samsung Electronics Co., Ltd. Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network
CN101390294B (zh) * 2005-05-10 2012-05-30 高通股份有限公司 使用多通信模式用户设备使基站同步
US7398411B2 (en) * 2005-05-12 2008-07-08 Schweitzer Engineering Laboratories, Inc. Self-calibrating time code generator
US9354297B2 (en) 2005-09-27 2016-05-31 Qualcomm Incorporated Position location using phase-adjusted transmitters
US8981996B2 (en) 2005-09-27 2015-03-17 Qualcomm Incorporated Position location using transmitters with timing offset and phase adjustment
US7636276B2 (en) 2006-01-03 2009-12-22 Alan Navarre Device for measurement of geo-solar time parameters
US7893869B2 (en) * 2006-01-05 2011-02-22 Qualcomm Incorporated Global navigation satellite system
JP2009523247A (ja) * 2006-01-10 2009-06-18 クゥアルコム・インコーポレイテッド 全地球型衛星航法システム
TW200735549A (en) * 2006-03-07 2007-09-16 Uniband Electronic Corp Method and apparatus for bit-rate enhancement and wireless communication using the same
JP2009530622A (ja) * 2006-03-15 2009-08-27 クゥアルコム・インコーポレイテッド 全地球的航法衛星システム
US7532159B2 (en) * 2006-05-19 2009-05-12 Trimble Navigation Limited Fast time to first fix by calibration of a real time clock
JP2008003438A (ja) * 2006-06-26 2008-01-10 Sony Corp 乱数生成装置、乱数生成制御方法、メモリアクセス制御装置、および、通信装置
US8185129B2 (en) 2006-07-07 2012-05-22 Skyhook Wireless, Inc. System and method of passive and active scanning of WLAN-enabled access points to estimate position of a WLAN positioning device
JP2008032636A (ja) * 2006-07-31 2008-02-14 Seiko Epson Corp 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法
US7856234B2 (en) 2006-11-07 2010-12-21 Skyhook Wireless, Inc. System and method for estimating positioning error within a WLAN-based positioning system
JP2008170232A (ja) * 2007-01-10 2008-07-24 Seiko Epson Corp 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法
JP2008170231A (ja) * 2007-01-10 2008-07-24 Seiko Epson Corp 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法
ATE511106T1 (de) * 2007-03-29 2011-06-15 Cambridge Positioning Sys Ltd Bestimmung von zeitänderungen in einem mobilen endgerät
US20080263380A1 (en) * 2007-04-23 2008-10-23 Joseph Ernest Dryer Gps time syncronization for data device
GB2454493A (en) * 2007-11-08 2009-05-13 Cambridge Silicon Radio Ltd Improved bluetooth clock accuracy
US20090146871A1 (en) * 2007-12-07 2009-06-11 Charles Abraham Method and apparatus for managing time in a satellite positioning system
JP4479811B2 (ja) * 2008-03-11 2010-06-09 カシオ計算機株式会社 時刻修正装置、および、電波時計
EP2149798B1 (en) * 2008-07-31 2011-09-07 Telefonaktiebolaget LM Ericsson (publ) Time tracking for mobile equipment
US8154449B2 (en) * 2008-08-18 2012-04-10 O2Micro International, Ltd. Signal acquisition systems with applications of general clocks
TW201009376A (en) * 2008-08-29 2010-03-01 Askey Computer Corp Electronic device having GNSS receiver and activating and positioning method thereof
JP5262457B2 (ja) * 2008-09-02 2013-08-14 富士通株式会社 伝送システム
US8891338B2 (en) * 2009-01-29 2014-11-18 Itron, Inc. Measuring the accuracy of an endpoint clock from a remote device
JP5121782B2 (ja) * 2009-06-29 2013-01-16 日本電信電話株式会社 無線通信システム、無線基地局装置、無線端末装置、および時刻取得方法
US8022877B2 (en) 2009-07-16 2011-09-20 Skyhook Wireless, Inc. Systems and methods for using a satellite positioning system to detect moved WLAN access points
US8694819B2 (en) * 2009-08-24 2014-04-08 Hewlett-Packard Development Company, L.P. System and method for gradually adjusting a virtual interval timer counter value to compensate the divergence of a physical interval timer counter value and the virtual interval timer counter value
US8483732B2 (en) * 2009-10-27 2013-07-09 Qualcomm Incorporated Method and apparatus for timestamping uplink messages
US9872261B2 (en) * 2009-12-07 2018-01-16 Qualcomm Incorporated Method and apparatus for improving synchronization shift command transmission efficiency in TD-SCDMA uplink synchronization
US20110161716A1 (en) * 2009-12-31 2011-06-30 Hyvoenen Jani Systems, methods, and apparatuses for providing access to real time information
US8644438B2 (en) * 2010-01-30 2014-02-04 Robert Welland Method and apparatus for providing a synthetic system
US8359488B2 (en) * 2010-04-12 2013-01-22 Red Hat, Inc. Keeping time in multi-processor virtualization environments
JP5234838B2 (ja) * 2010-05-19 2013-07-10 Ｎｅｃビッグローブ株式会社 携帯端末、時刻通知方法およびプログラム
GB2487061A (en) * 2011-01-05 2012-07-11 Thales Holdings Uk Plc Position determination of mobile device using GNSS and a radio positioning system
BRPI1101401A2 (pt) 2011-03-29 2013-06-04 Inst Alberto Luiz Coimbra De Pos Graduacao E Pesquisas De Engenharia Coppe Ufrj relàgio virtual estritamente crescente para temporizaÇço de alta precisço de programas em sistemas de multiprocessamento
US8984168B2 (en) * 2011-03-31 2015-03-17 Microsoft Technology Licensing, Llc Relative timestamp when real time clock is unavailable
US8812019B2 (en) 2011-08-05 2014-08-19 Qualcomm Incorporated Providing wireless transmitter almanac information to mobile device based on expected route
US9509461B2 (en) 2012-02-20 2016-11-29 Lg Electronics Inc. Method and apparatus for transmitting and receiving signals in wireless communication system
US20130232373A1 (en) * 2012-03-01 2013-09-05 Tung-Yi Wang Method for performing real time clock calibration through frame number calculation, and associated apparatus
US9167542B2 (en) * 2012-03-12 2015-10-20 Qualcomm Incorporated Determining clock models
CN102809961B (zh) * 2012-08-27 2014-09-17 中国科学院国家天文台南京天文光学技术研究所 望远镜控制系统时变时滞问题的解决方法
US20150063253A1 (en) * 2013-09-05 2015-03-05 Qualcomm Incorporated Methods for neighbor csi-rs detection
US10198388B2 (en) 2013-09-20 2019-02-05 Seagate Technology Llc Data storage system with pre-boot interface
US20150103818A1 (en) * 2013-10-11 2015-04-16 Qualcomm Incorporated Transport and error compensation of a globally synchronized time-base
USD750978S1 (en) * 2013-12-24 2016-03-08 Solid Control Holding B.V. Access control terminal and time registration terminal
GB2518921B (en) * 2014-03-24 2016-02-17 Imagination Tech Ltd High definition timing synchronisation function
US9455824B1 (en) * 2015-06-26 2016-09-27 Facebook, Inc. Distributed network synchronization methods and architectures
US9900855B2 (en) * 2015-12-08 2018-02-20 Mediatek Inc. Method and associated time manager for managing time relation between system times of different remote systems
JP6508096B2 (ja) * 2016-03-16 2019-05-08 カシオ計算機株式会社 衛星電波受信装置、電波時計、日時情報出力方法、及びプログラム
JP6790887B2 (ja) * 2017-02-13 2020-11-25 カシオ計算機株式会社 衛星電波受信装置、電子時計、測位制御方法及びプログラム
CN106912100B (zh) * 2017-03-14 2019-12-31 东北大学 基于TPSN和TSync的家电网络时间同步方法
JP6911427B2 (ja) * 2017-03-21 2021-07-28 セイコーエプソン株式会社 電子機器および受信装置
DE102018107931B4 (de) * 2017-04-17 2021-03-18 Mediatek Inc. Techniken zur Erfassung von GNSS-Signalen zum gewünschten Zeitpunkt
US20180299561A1 (en) * 2017-04-17 2018-10-18 Mediatek Inc. Techniques of capturing gnss signals at requested timing
CN109005557B (zh) * 2018-09-26 2021-12-07 中兴通讯股份有限公司 一种时延对称性测量方法、装置和系统
CN112534953B (zh) * 2018-12-28 2023-03-21 华为技术有限公司 系统定时管理方法及通信装置
JP6988855B2 (ja) * 2019-04-02 2022-01-05 カシオ計算機株式会社 電子時計、情報更新制御方法及びプログラム
US11871366B2 (en) 2021-12-15 2024-01-09 Viavi Solutions Inc. Test device for measuring synchronization errors between clusters in a cellular network
CN114911306B (zh) * 2022-03-21 2024-05-07 中海油田服务股份有限公司 精密钟差预报方法、装置、计算设备及存储介质
TWI830541B (zh) * 2022-12-15 2024-01-21 中華電信股份有限公司 一種同步時鐘源之劣化判斷系統、方法及其電腦可讀媒介
CN119758698B (zh) * 2025-03-06 2025-06-06 中国科学院国家授时中心 一种顾及低轨星载钟的时间基准生成方法

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2091962A1 (en) * 1992-03-31 1993-10-01 Mark L. Witsaman Clock synchronization system
SE470037C (sv) * 1992-10-27 1995-04-10 Ericsson Telefon Ab L M Anordning vid mobila telekommunikationssystem för att möjliggöra synkronisering av basstationernas sändare
US5319374A (en) * 1993-02-02 1994-06-07 Trimble Navigation Limited Precise universal time for vehicles
JPH0744719B2 (ja) * 1993-03-29 1995-05-15 日本電気株式会社 無線選択呼出受信機
US5510797A (en) * 1993-04-15 1996-04-23 Trimble Navigation Limited Provision of SPS timing signals
US5945944A (en) * 1996-03-08 1999-08-31 Snaptrack, Inc. Method and apparatus for determining time for GPS receivers
CN1084479C (zh) * 1997-01-27 2002-05-08 华为技术有限公司 一种基于gps信号的定时方法和设备
US5812087A (en) 1997-02-03 1998-09-22 Snaptrack, Inc. Method and apparatus for satellite positioning system based time measurement
US6215442B1 (en) 1997-02-03 2001-04-10 Snaptrack, Inc. Method and apparatus for determining time in a satellite positioning system
US6118977A (en) * 1997-09-11 2000-09-12 Lucent Technologies, Inc. Telecommunications-assisted satellite positioning system
US5872774A (en) 1997-09-19 1999-02-16 Qualcomm Incorporated Mobile station assisted timing synchronization in a CDMA communication system
US6078873A (en) * 1997-10-02 2000-06-20 Cummins Engine Company, Inc. Method and apparatus for real-time data stamping via datalink and volatile ECM timer/clock
US6208871B1 (en) * 1998-02-27 2001-03-27 Motorola, Inc. Method and apparatus for providing a time adjustment to a wireless communication system
JP4267092B2 (ja) * 1998-07-07 2009-05-27 富士通株式会社 時刻同期方法
US6185429B1 (en) * 1998-07-31 2001-02-06 Motorola, Inc. Method and apparatus for performing a time synchronization of a base site
US6204808B1 (en) * 1998-08-13 2001-03-20 Ericsson Inc. Method and system for aiding GPS receivers via a cellular or PCS network
US6236623B1 (en) * 1998-10-16 2001-05-22 Moore Industries System and method for synchronizing clocks in a plurality of devices across a communication channel
US7053824B2 (en) * 2001-11-06 2006-05-30 Global Locate, Inc. Method and apparatus for receiving a global positioning system signal using a cellular acquisition signal
EP1094374B1 (en) * 1999-10-20 2007-12-05 Sony Deutschland GmbH Mobile terminal for a wireless telecommunication system with accurate real time generation
JP4543480B2 (ja) * 2000-03-02 2010-09-15 ソニー株式会社 Ｇｐｓ受信機、およびｇｐｓ測位方法
US6603978B1 (en) 2000-03-24 2003-08-05 Ericsson Inc. Accurate GPS time estimate based on information from a wireless communications system
US6631708B1 (en) * 2000-10-12 2003-10-14 Ford Global Technologies, Llc Control method for engine
US6377517B1 (en) * 2000-10-17 2002-04-23 Agilent Technologies Inc. Method and system for synchronizing a time of day clock based on a satellite signal and a communication signal
US6865380B2 (en) * 2001-02-05 2005-03-08 Nokia Corporation Method, apparatus and system for frequency stabilization using cellular signal bursts
US6678510B2 (en) * 2001-02-05 2004-01-13 Nokia Mobile Phones Ltd. Method, apparatus and system for GPS time synchronization using cellular signal bursts
US7877104B2 (en) 2001-05-21 2011-01-25 Sirf Technology Inc. Method for synchronizing a radio network using end user radio terminals
US6633825B2 (en) * 2001-06-29 2003-10-14 Siemens Power Transmission & Distribution, Inc. Automatic calibration of time keeping for utility meters
JP2003028946A (ja) * 2001-07-12 2003-01-29 Mitsui & Co Ltd 位置測定方法および装置
US6768448B2 (en) * 2002-08-02 2004-07-27 Qualcomm Incorporated Apparatus and method for time maintenance in a satellite position system receiver
US7139225B2 (en) * 2003-03-27 2006-11-21 Qualcomm, Incorporated Virtual real-time clock based on time information from multiple communication systems

Also Published As

Publication number Publication date
EP1606893A2 (en) 2005-12-21
JP2006521773A (ja) 2006-09-21
EP3506529B1 (en) 2023-06-28
WO2004088880A2 (en) 2004-10-14
MXPA05010351A (es) 2006-03-08
US20110164607A1 (en) 2011-07-07
CN1784841A (zh) 2006-06-07
US20130176828A1 (en) 2013-07-11
EP2536229B1 (en) 2019-11-27
US20090251367A1 (en) 2009-10-08
ES2507668T3 (es) 2014-10-15
EP1606893B1 (en) 2014-07-30
EP3506529A1 (en) 2019-07-03
EP2536229A3 (en) 2017-04-26
US8395969B2 (en) 2013-03-12
US20080018530A1 (en) 2008-01-24
WO2004088880A3 (en) 2005-03-10
KR101098675B1 (ko) 2011-12-23
IL171079A (en) 2010-12-30
CN1784841B (zh) 2010-08-11
US7551129B2 (en) 2009-06-23
KR20050119153A (ko) 2005-12-20
EP2536229A2 (en) 2012-12-19
US20040190378A1 (en) 2004-09-30
BRPI0408766A (pt) 2006-04-18
JP4680893B2 (ja) 2011-05-11
US7139225B2 (en) 2006-11-21
US7911381B2 (en) 2011-03-22

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B08E Application fees: payment of additional fee required [chapter 8.5 patent gazette]
B08E Application fees: payment of additional fee required [chapter 8.5 patent gazette]
B08H Application fees: decision cancelled [chapter 8.8 patent gazette]
B08H Application fees: decision cancelled [chapter 8.8 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: G04R 20/02 (2013.01), H04W 56/00 (2009.01)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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