ID30444A - Metode dan peralatan untuk menyediakan sinkronisasi sistem komunikasi tanpa kawat - Google Patents

Metode dan peralatan untuk menyediakan sinkronisasi sistem komunikasi tanpa kawat

Info

Publication number
ID30444A
ID30444A IDW00200101460A ID20011460A ID30444A ID 30444 A ID30444 A ID 30444A ID W00200101460 A IDW00200101460 A ID W00200101460A ID 20011460 A ID20011460 A ID 20011460A ID 30444 A ID30444 A ID 30444A
Authority
ID
Indonesia
Prior art keywords
base
base stations
time
network
base station
Prior art date
Application number
IDW00200101460A
Other languages
English (en)
Indonesian (id)
Inventor
M S Wallace
E G Tiederman
C E Wheatley
J R Waltson
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of ID30444A publication Critical patent/ID30444A/id

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2687—Inter base stations synchronisation
    • H04B7/2696—Over the air autonomous synchronisation, e.g. by monitoring network activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IDW00200101460A 1998-12-04 1999-12-03 Metode dan peralatan untuk menyediakan sinkronisasi sistem komunikasi tanpa kawat ID30444A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/206,037 US6590881B1 (en) 1998-12-04 1998-12-04 Method and apparatus for providing wireless communication system synchronization

Publications (1)

Publication Number Publication Date
ID30444A true ID30444A (id) 2001-12-06

Family

ID=22764723

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW00200101460A ID30444A (id) 1998-12-04 1999-12-03 Metode dan peralatan untuk menyediakan sinkronisasi sistem komunikasi tanpa kawat

Country Status (19)

Country Link
US (2) US6590881B1 (fr)
EP (3) EP1848125B1 (fr)
JP (1) JP4482645B2 (fr)
KR (2) KR100705879B1 (fr)
CN (1) CN1215659C (fr)
AT (2) ATE367020T1 (fr)
AU (1) AU769109B2 (fr)
BR (1) BR9915925A (fr)
CA (2) CA2353453C (fr)
DE (1) DE69936536T2 (fr)
ES (1) ES2378474T3 (fr)
HK (1) HK1053199B (fr)
ID (1) ID30444A (fr)
IL (3) IL143541A0 (fr)
MX (1) MXPA01005574A (fr)
NO (1) NO20012709L (fr)
RU (1) RU2233033C2 (fr)
UA (1) UA76087C2 (fr)
WO (1) WO2000035117A2 (fr)

Families Citing this family (170)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6981063B1 (en) * 1999-01-19 2005-12-27 Siemens Aktiengesellschaft Method for time synchronization of a computer network, and computer network with time synchronization
SE514264C2 (sv) * 1999-05-07 2001-01-29 Ericsson Telefon Ab L M Ett kommunikationssystem
US7031271B1 (en) * 1999-05-19 2006-04-18 Motorola, Inc. Method of and apparatus for activating a spread-spectrum radiotelephone
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
EP1089472A1 (fr) * 1999-09-28 2001-04-04 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Appareil et méthode pour l'alignement temporel pour fournir des trames de données d'une pluralité de canaux avec décalage temporel prédéterminé
JP3525828B2 (ja) * 1999-11-01 2004-05-10 株式会社日立製作所 位置登録制御方法とそれを用いた移動局装置
US6873664B1 (en) * 1999-11-12 2005-03-29 Itt Manufacturing Enterprises, Inc. Method and apparatus for detecting an interleaved code
JP2001156705A (ja) * 1999-11-30 2001-06-08 Nec Shizuoka Ltd 移動通信システム及び無線基地局間同期制御方法
WO2001048947A1 (fr) * 1999-12-29 2001-07-05 Airnet Communications Corporation Codage des niveaux de puissance discrets destine a donner une indication du niveau de reception au niveau d'une station mobile a liaison montante dans un systeme repetiteur sans fil
US6438117B1 (en) * 2000-01-07 2002-08-20 Qualcomm Incorporated Base station synchronization for handover in a hybrid GSM/CDMA network
EP1605610B1 (fr) * 2000-04-07 2014-03-26 InterDigital Technology Corporation Synchronisation de station de base pour systèmes de communication sans fil
US6829229B1 (en) * 2000-05-12 2004-12-07 General Dynamics Decision Systems, Inc. Radio transmission timing calibrator
ATE279819T1 (de) * 2000-08-04 2004-10-15 Interdigital Tech Corp Verfahren und gerät zur zellsuche in einem tdma- cdma kommunikationssystem
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US6922435B2 (en) * 2000-09-29 2005-07-26 Qualcomm Inc Method and apparatus for generating PN sequences at arbitrary phases
US7106709B2 (en) * 2000-11-29 2006-09-12 Telefonaktiebologet Lm Ericsson (Publ) Timing drift compensation in wireless packet-based systems
US6826244B2 (en) * 2001-02-27 2004-11-30 Interdigital Technology Corporation Initial cell search algorithm for 3G FDD wireless communication systems
US7006834B2 (en) * 2001-10-29 2006-02-28 Qualcomm Incorporated Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
GB2382270B (en) * 2001-11-16 2006-06-14 Nec Technologies Improved location systems in cellular communications networks
KR100827139B1 (ko) * 2001-11-18 2008-05-02 삼성전자주식회사 비동기방식 이동통신시스템의 기지국간 동기화장치 및 방법
EP1452054B1 (fr) 2001-12-07 2006-06-21 Research In Motion Limited Procédé d' accès à un réseau sans fil basé sur une métrique de couts d'une liaison
US20030127950A1 (en) * 2002-01-10 2003-07-10 Cheng-Hui Tseng Mail opening bag for preventing infection of bacteria-by-mail
US9134989B2 (en) 2002-01-31 2015-09-15 Qualcomm Incorporated System and method for updating dataset versions resident on a wireless device
DE10204347A1 (de) * 2002-02-01 2003-08-14 Atmel Germany Gmbh Verfahren zur Übertragung von Daten
US7813311B2 (en) * 2002-02-05 2010-10-12 Interdigital Technology Corporation Method and apparatus for synchronizing base stations
US20040038656A1 (en) * 2002-08-22 2004-02-26 Mccall John H. Method and apparatus for distortion reduction and optimizing current consumption via adjusting amplifier linearity
US20040068724A1 (en) * 2002-08-30 2004-04-08 Gardner Richard Wayne Server processing for updating dataset versions resident on a wireless device
US9092286B2 (en) * 2002-12-20 2015-07-28 Qualcomm Incorporated System to automatically process components on a device
US7340266B2 (en) * 2002-12-20 2008-03-04 Motorola, Inc. Method and apparatus for communicating with multimode receiving device in non-synchronized wireless systems
US7768974B2 (en) * 2003-02-03 2010-08-03 Alcatel-Lucent Method and arrangement for generating pilot beacons in wireless communication systems
DE10331313B3 (de) * 2003-07-10 2005-01-05 Siemens Ag Verfahren zur Synchronisation eines in Funkzellen aufgeteilten Funkkommunikationssystems
DE10331311B4 (de) 2003-07-10 2008-02-07 Siemens Ag Verfahren zur Synchronisation eines in Funkzellen aufgeteilten Funkkommunikationssystems
DE10336312B4 (de) 2003-08-07 2007-08-30 Siemens Ag Verfahren zur Synchronisation eines in Funkzellen aufgeteilten Funkkommunikationssystems, sowie eine Basis- und Mobilstation in einem derartigen System
US7092426B2 (en) 2003-09-24 2006-08-15 S5 Wireless, Inc. Matched filter for scalable spread spectrum communications systems
US8626146B2 (en) 2003-10-29 2014-01-07 Qualcomm Incorporated Method, software and apparatus for performing actions on a wireless device using action lists and versioning
KR100582906B1 (ko) * 2003-12-27 2006-05-23 한국전자통신연구원 무선 랜 시스템을 위한 프리앰블 구성 방법 및 프레임동기 검출 방법
US20070280159A1 (en) * 2004-03-04 2007-12-06 Utstarcom Telecom Co., Ltd Load-Sharing Method And System In A Wireless Base Station
US7419096B2 (en) * 2004-06-04 2008-09-02 Impinj, Inc. RFID joint acquisition of time sync and timebase
KR100608109B1 (ko) * 2004-06-28 2006-08-02 삼성전자주식회사 이동통신 시스템에서 도플러 주파수 및 단말기의 이동속도 계산 장치 및 방법
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
KR100735344B1 (ko) * 2004-08-16 2007-07-04 삼성전자주식회사 통신 시스템에서 기지국들 간의 시간 동기 획득 방법 및 시스템
KR100856249B1 (ko) 2004-08-26 2008-09-03 삼성전자주식회사 무선 통신 시스템에서 초기 동작 모드 검출 방법
US7558356B2 (en) * 2004-09-30 2009-07-07 Airvana, Inc. Providing global positioning system (GPS) timing signals to remote cellular base stations
KR20060030428A (ko) * 2004-10-05 2006-04-10 삼성전자주식회사 이동통신망의 하드 핸드오프 제어 방법 및 시스템
FR2877800B1 (fr) * 2004-11-08 2007-01-26 St Microelectronics Rousset Dispositif perfectionne de decodage, adapte a un systeme de transmission utilisant un etalement de spectre a sequence directe
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US7945281B1 (en) * 2005-03-11 2011-05-17 Sprint Spectrum L.P. Method and system for dynamically adjusting forward-link transmission power for sole sector serving one or more active mobile stations in cluster
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US7937103B1 (en) * 2005-03-11 2011-05-03 Sprint Spectrum L.P. Method and system for dynamically adjusting forward-link transmission power in sole active sector
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US7613119B2 (en) * 2005-04-11 2009-11-03 Interdigital Technology Corporation Self-configurable wireless local area network node
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
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US20060239391A1 (en) * 2005-04-20 2006-10-26 Flanagan Michael J Evaluating base station timing in an asynchronous network
US20070109129A1 (en) 2005-05-24 2007-05-17 Sundstrom Kurt E Rfid reader systems detecting pilot tone
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US20070140207A1 (en) * 2005-05-31 2007-06-21 Kyocera Corporation Communication system, communication apparatus, communication method and base station
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
FR2887383B1 (fr) * 2005-06-21 2007-08-10 Alcatel Sa Systeme de communication par satellites a diversite de station en emission
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US8169982B2 (en) 2005-08-10 2012-05-01 Qualcomm Incorporated Method and apparatus for creating a fingerprint for a wireless network
US9014152B2 (en) 2008-06-09 2015-04-21 Qualcomm Incorporated Increasing capacity in wireless communications
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US9071344B2 (en) 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US8644292B2 (en) 2005-08-24 2014-02-04 Qualcomm Incorporated Varied transmission time intervals for wireless communication system
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US7450944B2 (en) * 2005-11-03 2008-11-11 Motorola, Inc. Method and apparatus for base station synchronization
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
US8831607B2 (en) 2006-01-05 2014-09-09 Qualcomm Incorporated Reverse link other sector communication
US20080048833A1 (en) * 2006-01-12 2008-02-28 Oliver Ronald A Rfid reader system aided by rf power of measurement
US9232537B2 (en) * 2006-02-07 2016-01-05 Qualcomm Incorporated Apparatus and method for fast access in a wireless communication system
US9674869B2 (en) 2006-03-20 2017-06-06 Qualcomm Incorporated Apparatus and method for fast access in a wireless communication system
CN101123465B (zh) * 2006-08-09 2012-07-04 上海贝尔阿尔卡特股份有限公司 无线通信系统中用于进行网络设备间同步的方法和装置
EP2087605B1 (fr) 2006-10-03 2012-03-21 QUALCOMM Incorporated Procédé et dispositif de traitement de signaux de synchronisation primaires et secondaires pour communication sans fil
US20080139130A1 (en) * 2006-12-08 2008-06-12 Wen Zhao System and method for initiating communication in a cellular network
MY150177A (en) 2007-01-10 2013-12-13 Qualcomm Inc Fast cell search
US8184608B2 (en) * 2007-03-27 2012-05-22 Tektronix, Inc. System and method for using CDMA PN offset to maintain instrument timing reference
EP2463679B1 (fr) * 2007-05-01 2020-03-11 Qualcomm Incorporated(1/3) Emplacement de position pour systèmes de communication sans fil
US8514988B2 (en) * 2007-05-18 2013-08-20 Qualcomm Incorporated Enhanced pilot signal receiver
US8412227B2 (en) 2007-05-18 2013-04-02 Qualcomm Incorporated Positioning using enhanced pilot signal
BRPI0812543A2 (pt) * 2007-06-19 2015-09-29 Qualcomm Inc métodos e aparelho para sincronização de conjunto de dados em um ambiente sem fio
US20090097452A1 (en) * 2007-10-12 2009-04-16 Qualcomm Incorporated Femto cell synchronization and pilot search methodology
US9137745B2 (en) * 2007-10-12 2015-09-15 Qualcomm Incorporated System and method to locate femto cells with passive assistance from a macro cellular wireless network
CN101420727B (zh) * 2007-10-26 2010-12-29 中兴通讯股份有限公司 实现接入网络间的硬切换的方法
US9253653B2 (en) * 2007-11-09 2016-02-02 Qualcomm Incorporated Access point configuration based on received access point signals
US8532201B2 (en) 2007-12-12 2013-09-10 Qualcomm Incorporated Methods and apparatus for identifying a preamble sequence and for estimating an integer carrier frequency offset
US8537931B2 (en) * 2008-01-04 2013-09-17 Qualcomm Incorporated Methods and apparatus for synchronization and detection in wireless communication systems
US8467365B1 (en) 2008-01-24 2013-06-18 Sprint Spectrum L.P. Method and system for defining search windows based on mobile station location
DE102008039329A1 (de) * 2008-01-25 2009-07-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Berechnung von Steuerinformationen für ein Echounterdrückungsfilter und Vorrichtung und Verfahren zur Berechnung eines Verzögerungswerts
DE102008039330A1 (de) 2008-01-31 2009-08-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Berechnen von Filterkoeffizienten zur Echounterdrückung
US8055273B1 (en) * 2008-02-07 2011-11-08 Sprint Spectrum L.P. Method and system for defining a search window based on a mobile station's direction of motion and speed
DE102008008617A1 (de) * 2008-02-12 2009-08-13 Rohde & Schwarz Gmbh & Co. Kg Anordnung zur Erzeugung von Polyphasensequenzen
US7593452B1 (en) * 2008-03-18 2009-09-22 On-Ramp Wireless, Inc. Despreading spread spectrum data
US20100046660A1 (en) * 2008-05-13 2010-02-25 Qualcomm Incorporated Interference cancellation under non-stationary conditions
JP5292952B2 (ja) * 2008-07-04 2013-09-18 富士通株式会社 基地局およびデータ転送方法
KR20110026479A (ko) 2008-07-07 2011-03-15 스미토모덴키고교가부시키가이샤 기지국 장치
US8380531B2 (en) * 2008-07-25 2013-02-19 Invivodata, Inc. Clinical trial endpoint development process
US9277487B2 (en) * 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US9237515B2 (en) 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
US8503591B2 (en) * 2008-08-19 2013-08-06 Qualcomm Incorporated Enhanced geran receiver using channel input beamforming
US8509293B2 (en) 2008-08-19 2013-08-13 Qualcomm Incorporated Semi-coherent timing propagation for GERAN multislot configurations
US20100054237A1 (en) * 2008-09-04 2010-03-04 Motorola, Inc. Synchronization for femto-cell base stations
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
WO2010051847A1 (fr) 2008-11-07 2010-05-14 Nokia Siemens Networks Oy Appareil et procédé de synchronisation
RU2529181C2 (ru) * 2008-12-03 2014-09-27 РОКСТАР КОНСОРЦИУМ ЮЭс ЛП Система синхронизации времени с множественным резервированием
US8982851B2 (en) 2009-01-06 2015-03-17 Qualcomm Incorporated Hearability improvements for reference signals
US8699453B2 (en) * 2009-02-02 2014-04-15 Qualcomm Incorporated Reuse of RF receive chain for hand-in assistance
US9204349B2 (en) * 2009-02-10 2015-12-01 Qualcomm Incorporated Method and apparatus for facilitating a hand-in of user equipment to femto cells
US9160577B2 (en) 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US9191177B2 (en) 2009-05-04 2015-11-17 Qualcomm Incorporated Transmission of feedback information for multi-carrier operation
US8792427B2 (en) * 2009-05-04 2014-07-29 Qualcomm Incorporated Transmission of feedback information for data transmissions on multiple carriers
US8838096B2 (en) * 2009-05-29 2014-09-16 Qualcomm Incorporated Non-macro cell search integrated with macro-cellular RF carrier monitoring
US8787509B2 (en) 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
US8831149B2 (en) 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
US8619928B2 (en) 2009-09-03 2013-12-31 Qualcomm Incorporated Multi-stage interference suppression
US8688139B2 (en) 2009-09-10 2014-04-01 Qualcomm Incorporated Concurrent wireless transmitter mapping and mobile station positioning
AU2009354543B2 (en) * 2009-10-30 2014-09-11 Nokia Solutions And Networks Oy HeNB blind detection for hierarchy configuration
US9392562B2 (en) 2009-11-17 2016-07-12 Qualcomm Incorporated Idle access terminal-assisted time and/or frequency tracking
US9642105B2 (en) 2009-11-17 2017-05-02 Qualcomm Incorporated Access terminal-assisted time and/or frequency tracking
BR112012012632B1 (pt) 2009-11-27 2020-12-15 Qualcomm Incorporated Método e equipamento para aumentar a capacidade de transmissão em comunicações sem fio, e memória legível por computador
ES2720629T3 (es) 2009-11-27 2019-07-23 Qualcomm Inc Mayor capacidad en comunicaciones inalámbricas
US20110134833A1 (en) * 2009-12-08 2011-06-09 Qualcomm Incorporated Controlling access point functionality
US8688156B2 (en) * 2010-01-08 2014-04-01 Samsung Electronics Co., Ltd. Method and apparatus for controlling link margin
US9271248B2 (en) 2010-03-02 2016-02-23 Qualcomm Incorporated System and method for timing and frequency synchronization by a Femto access point
RU2444849C2 (ru) * 2010-03-22 2012-03-10 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Способ и устройство синхронизации и устранения фазовой неоднозначности сигналов систем связи с временным разделением каналов
US8270969B1 (en) * 2010-03-24 2012-09-18 Sprint Spectrum L.P. Systems and methods for adjusting an access search window based on movement
US8594227B2 (en) 2010-04-13 2013-11-26 Hbc Solutions, Inc. Measurement of system time delay
EP2561709A4 (fr) * 2010-04-22 2013-09-04 Nokia Corp Synchronisation en boucle ouverte/fermée pour émetteurs radio
US8923892B2 (en) 2010-05-14 2014-12-30 Qualcomm Incorporated Method and apparatus for updating femtocell proximity information
US9091746B2 (en) * 2010-07-01 2015-07-28 Qualcomm Incorporated Determination of positions of wireless transceivers to be added to a wireless communication network
EP2402714B1 (fr) * 2010-07-02 2013-04-17 Tesa Sa Dispositif de mesure de dimensions
US9756553B2 (en) 2010-09-16 2017-09-05 Qualcomm Incorporated System and method for assisted network acquisition and search updates
JP5254302B2 (ja) * 2010-11-19 2013-08-07 株式会社東芝 無線通信装置
CN103283287A (zh) * 2010-12-23 2013-09-04 阿尔卡特朗讯 一种在无线基站获得系统定时的方法和设备
CN102725994B (zh) * 2011-01-26 2016-01-20 华为技术有限公司 一种实现时间同步的方法和装置
US8879605B1 (en) 2012-04-02 2014-11-04 Sprint Spectrum L.P. Mobile station time reference that is adjusted based on propagation delay
US9002359B1 (en) 2012-04-12 2015-04-07 Sprint Spectrum L.P. Method and system for intelligent determination of pseudonoise (PN) offsets
US9155057B2 (en) 2012-05-01 2015-10-06 Qualcomm Incorporated Femtocell synchronization enhancements using access probes from cooperating mobiles
US9237530B2 (en) 2012-11-09 2016-01-12 Qualcomm Incorporated Network listen with self interference cancellation
RU2748647C2 (ru) * 2013-04-10 2021-05-28 Телефонактиеболагет Л М Эрикссон (Пабл) Оборудование пользователя и способ осуществления и обеспечения связи типа "устройство-устройство" (d2d) в сети радиосвязи
US20170223760A1 (en) * 2014-08-07 2017-08-03 Kyocera Corporation User terminal and base station
ES2858302T3 (es) 2015-03-11 2021-09-30 Commscope Technologies Llc Red de acceso por radio distribuida con Fronthaul adaptativa
US10608734B2 (en) 2015-10-22 2020-03-31 Phluido, Inc. Virtualization and orchestration of a radio access network
WO2018017468A1 (fr) 2016-07-18 2018-01-25 Phluido, Inc. Synchronisation d'unités radio dans des réseaux d'accès radio
US12016084B2 (en) 2018-01-04 2024-06-18 Commscope Technologies Llc Management of a split physical layer in a radio area network
EP3874773A4 (fr) 2018-12-11 2022-01-26 Zhejiang Dahua Technology Co., Ltd Systèmes et procédés de détermination de l'emplacement et de la distance d'un terminal

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE457184B (sv) 1987-04-03 1988-12-05 Ericsson Telefon Ab L M Foerfarande och utrustning foer synkronisering och oeverfoering av information i ett radiokommunikationsnaet
US4916199A (en) * 1988-07-14 1990-04-10 The B. F. Goodrich Company Polyurethanes made from blends of polypropyleneoxide polyol and organic-silicone block copolymer based polyol intermediates
JPH0732498B2 (ja) * 1988-07-25 1995-04-10 日本電信電話株式会社 位相制御方式
FR2646302B1 (fr) * 1989-04-25 1993-01-15 Matra Communication Procede de pseudo-synchronisation d'un reseau de communication a multiplexage dans le temps et applications
JP2989378B2 (ja) * 1992-07-06 1999-12-13 富士通株式会社 移動体通信網の同期方式
JPH07283772A (ja) * 1992-10-07 1995-10-27 Nippon Steel Corp 無線基地局間の同期確立方法及びこれを用いた移動体通信システム
US5448570A (en) * 1993-03-17 1995-09-05 Kyocera Corporation System for mutual synchronization and monitoring between base stations
EP0626769B1 (fr) * 1993-05-26 2000-02-02 Nec Corporation Synchronisation de réseau pour communication cellulaire AMRT utilisant les signaux des stations mobiles des cellules voisines
EP0659326B1 (fr) * 1993-06-14 2002-09-04 Telefonaktiebolaget Lm Ericsson Alignement temporel de transmission dans une liaison descendante d'un systeme amdc
US5363376A (en) 1993-07-30 1994-11-08 Bell Communications Research, Inc. Method and apparatus for synchronizing timing among radio ports in wireless communications systems
US5528597A (en) 1994-04-18 1996-06-18 At&T Corp. Autonomous synchronization of base stations in a digital wireless radiotelephone network
JP2606590B2 (ja) * 1994-06-30 1997-05-07 日本電気株式会社 局間同期方法
FR2739244B1 (fr) * 1995-09-26 1997-11-14 Alcatel Mobile Comm France Station de base pour systeme cellulaire de radiocommunications mobiles et systeme de synchronisation de telles stations de base
AUPN733395A0 (en) * 1995-12-22 1996-01-25 University Of Technology, Sydney Location and tracking system
US6002669A (en) * 1996-03-26 1999-12-14 White; Darryl C. Efficient, multi-purpose network data communications protocol
US5898929A (en) * 1996-08-30 1999-04-27 Telefonaktiebolaget L/M Ericsson (Publ) Method and apparatus for synchronizing private radio systems
SE507595C2 (sv) * 1996-10-17 1998-06-22 Ericsson Telefon Ab L M Metod och anordning att bestämma sändtidpunkten för en första överföring i förhållande till en andra överföring i ett radiomedium
JPH10190562A (ja) 1996-12-26 1998-07-21 Toshiba Corp 移動通信システムの基地局間フレーム同期方式およびこの方式を適用した基地局装置
US6073021A (en) * 1997-05-30 2000-06-06 Lucent Technologies, Inc. Robust CDMA soft handoff
JP3019061B2 (ja) * 1997-06-27 2000-03-13 日本電気株式会社 移動通信システム及びその無線回線制御方法
US6141542A (en) * 1997-07-31 2000-10-31 Motorola, Inc. Method and apparatus for controlling transmit diversity in a communication system
JP3045985B2 (ja) * 1997-08-07 2000-05-29 インターナショナル・ビジネス・マシーンズ・コーポレイション 接続確立方法、通信方法、状態変化伝達方法、状態変化実行方法、無線装置、無線デバイス、及びコンピュータ
US6173005B1 (en) * 1997-09-04 2001-01-09 Motorola, Inc. Apparatus and method for transmitting signals in a communication system
US5872774A (en) * 1997-09-19 1999-02-16 Qualcomm Incorporated Mobile station assisted timing synchronization in a CDMA communication system
US6101175A (en) * 1997-10-31 2000-08-08 Motorola, Inc. Method and apparatus for handoff within a communication system
US6208871B1 (en) * 1998-02-27 2001-03-27 Motorola, Inc. Method and apparatus for providing a time adjustment to a wireless communication system
US6230018B1 (en) * 1998-05-14 2001-05-08 Nortel Networks Limited Devices and processing in a mobile radio communication network having calibration terminals
US6185429B1 (en) * 1998-07-31 2001-02-06 Motorola, Inc. Method and apparatus for performing a time synchronization of a base site
US6246702B1 (en) * 1998-08-19 2001-06-12 Path 1 Network Technologies, Inc. Methods and apparatus for providing quality-of-service guarantees in computer networks
EP2561630B1 (fr) * 2010-04-22 2018-06-06 Telefonaktiebolaget LM Ericsson (publ) Dispositif à antennes multiples

Also Published As

Publication number Publication date
AU3109900A (en) 2000-06-26
EP1135875A2 (fr) 2001-09-26
ATE367020T1 (de) 2007-08-15
US20030174666A1 (en) 2003-09-18
WO2000035117A2 (fr) 2000-06-15
ES2378474T3 (es) 2012-04-12
CA2353453A1 (fr) 2000-06-15
MXPA01005574A (es) 2002-06-04
JP2002532946A (ja) 2002-10-02
KR20010080680A (ko) 2001-08-22
KR100705879B1 (ko) 2007-04-09
EP1848125A3 (fr) 2008-11-19
RU2233033C2 (ru) 2004-07-20
NO20012709D0 (no) 2001-06-01
CN1419752A (zh) 2003-05-21
US6590881B1 (en) 2003-07-08
IL143541A0 (en) 2002-04-21
WO2000035117A3 (fr) 2001-01-04
EP2104244A3 (fr) 2010-08-04
IL143541A (en) 2007-03-08
EP1848125B1 (fr) 2012-01-18
BR9915925A (pt) 2002-07-09
CN1215659C (zh) 2005-08-17
DE69936536T2 (de) 2008-03-20
ATE542315T1 (de) 2012-02-15
EP2104244A2 (fr) 2009-09-23
CA2737848A1 (fr) 2000-06-15
CA2353453C (fr) 2012-02-14
HK1053199A1 (en) 2003-10-10
EP2104244B1 (fr) 2012-08-01
JP4482645B2 (ja) 2010-06-16
EP1135875B1 (fr) 2007-07-11
DE69936536D1 (de) 2007-08-23
EP1848125A2 (fr) 2007-10-24
HK1053199B (zh) 2006-01-06
UA76087C2 (en) 2006-07-17
CA2737848C (fr) 2012-11-13
NO20012709L (no) 2001-07-30
KR100705878B1 (ko) 2007-04-09
IL179180A0 (en) 2007-03-08
KR20070001290A (ko) 2007-01-03
US7391759B2 (en) 2008-06-24
AU769109B2 (en) 2004-01-15

Similar Documents

Publication Publication Date Title
ID30444A (id) Metode dan peralatan untuk menyediakan sinkronisasi sistem komunikasi tanpa kawat
CA2310282A1 (fr) Procede et appareil de determination des candidats au transfert dans un ensemble voisin dans un systeme de communication amdc
CA2310655A1 (fr) Procede et appareil de determination des candidats au transfert dans un systeme de communication
MY124250A (en) Downlink observed time difference measurements
MY121692A (en) Method and system for determining position of a cellular mobile terminal
FI952396A (fi) Menetelmä kanavanvaihdon ja yhteydenmuodostuksen luotettavuuden parantamiseksi sekä solukkoradiojärjestelmä
CA2190552A1 (fr) Methode et appareil d'organisation pour systeme de communication sans fil
BR9908647A (pt) Processos para detectar e localizar a posição de uma unidade móvel de comunicação em um sistema de comunicação e para localizar a posição de um dispositivo de comunicação móvel
NO970299L (no) Fremgangsmåte for sending av et pilotsignal, samt celledelt radiosystem
WO1998033288A3 (fr) Procede et dispositif pour realiser un transfert souple dans un systeme de communication sans fil
WO1997044969A3 (fr) Procede et appareil permettant d'etablir un cone de silence dans un systeme de communication cellulaire
CA2105266A1 (fr) Procede de transfert de controle pour un telephone sans fil
CA2294909A1 (fr) Systeme et procede choisissant une station de base cible de transfert dans un systeme mobile de telecommunications
BR9405581A (pt) Processo para estabelecer comunicações entre uma primeira estaçãode rádio e uma segunda estação de rádio e entre uma estação móvel e uma estação movel e uma estação de base e sistema determinador de posição para deduzir em uma estação móvel, uma estimativa aproximadade pelo menos um dentre distancia e retardamento de propagação
WO1999033302A3 (fr) Procede et dispositif de localisation
FI103171B1 (fi) Menetelmä ja järjestely solunvaihtopäätöksen tekemiseksi matkaviestinjärjestelmässä
CA2267596A1 (fr) Dispositif et procede a utiliser dans un systeme telephonique mobile cellulaire
NO980877D0 (no) Fremgangsmåte for å velge måte å utföre en overlevering på, samt celledelt radiosystem
SE9702952L (sv) Förfarande för handover i ett mobilradiosystem, system för mobilradio, samt mobilterminal och radiobasstation ingående i ett sådant system
EP0863682A4 (fr) Systeme de communication mobile
DE69933420D1 (de) Datenübertragung und funksystem
PT1516507E (pt) Processo para a realização de uma transferência cega quando de uma transferência entre sistemas e entre frequências em sistemas de comunicação móvel
JPH06510654A (ja) 通信システムにおいて移動支援ハンドオフを行う方法
KR960009459B1 (en) Soft hand-off
JP2002016543A (ja) 携帯電話端末の位置確認装置