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DE602007004692D1 - Verfahren zum Erhalten der Taktsynchronisierung in der Aufwärtsrichtung in einem Orthogonal-Frequenzmultiplexsystem und Benutzergerät dazu - Google Patents

Verfahren zum Erhalten der Taktsynchronisierung in der Aufwärtsrichtung in einem Orthogonal-Frequenzmultiplexsystem und Benutzergerät dazu

Info

Publication number
DE602007004692D1
DE602007004692D1 DE602007004692T DE602007004692T DE602007004692D1 DE 602007004692 D1 DE602007004692 D1 DE 602007004692D1 DE 602007004692 T DE602007004692 T DE 602007004692T DE 602007004692 T DE602007004692 T DE 602007004692T DE 602007004692 D1 DE602007004692 D1 DE 602007004692D1
Authority
DE
Germany
Prior art keywords
user equipment
frequency division
division multiplexing
orthogonal frequency
clock synchronization
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.)
Active
Application number
DE602007004692T
Other languages
English (en)
Inventor
Kyeong-In Jeong
Ju-Ho Lee
Jong-Jun Kwak
Sung-Ho Choi
O-Sok Song
Lieshout Gert Jan Van
Der Velde Himke Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602007004692D1 publication Critical patent/DE602007004692D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • 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
    • H04B7/2681—Synchronisation of a mobile station with one base station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
DE602007004692T 2006-06-22 2007-06-22 Verfahren zum Erhalten der Taktsynchronisierung in der Aufwärtsrichtung in einem Orthogonal-Frequenzmultiplexsystem und Benutzergerät dazu Active DE602007004692D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20060056417 2006-06-22

Publications (1)

Publication Number Publication Date
DE602007004692D1 true DE602007004692D1 (de) 2010-03-25

Family

ID=38514117

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007004692T Active DE602007004692D1 (de) 2006-06-22 2007-06-22 Verfahren zum Erhalten der Taktsynchronisierung in der Aufwärtsrichtung in einem Orthogonal-Frequenzmultiplexsystem und Benutzergerät dazu

Country Status (6)

Country Link
US (1) US8031692B2 (de)
EP (1) EP1871035B1 (de)
KR (1) KR100886535B1 (de)
AT (1) ATE457568T1 (de)
DE (1) DE602007004692D1 (de)
WO (1) WO2007148928A1 (de)

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US9204349B2 (en) * 2009-02-10 2015-12-01 Qualcomm Incorporated Method and apparatus for facilitating a hand-in of user equipment to femto cells
US8937901B2 (en) * 2009-03-17 2015-01-20 Qualcomm Incorporated Carrier timing for wireless communications systems
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WO2010151213A1 (en) * 2009-06-26 2010-12-29 Telefonaktiebolaget L M Ericsson (Publ) Methods and arrangements in a telecommunications network
CN101938826B (zh) * 2009-06-30 2013-06-12 中兴通讯股份有限公司 用于长期演进系统的上行同步控制方法和装置
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
US8885614B2 (en) 2009-12-17 2014-11-11 Qualcomm Incorporated Avoidance of synchronization oscillation in TD-SCDMA uplink synchronization
KR101803015B1 (ko) * 2010-02-10 2017-12-01 주식회사 골드피크이노베이션즈 다수의 요소 반송파를 운영하는 무선 통신 시스템에서 업링크 동기를 설정하는 방법 및 장치
US9271248B2 (en) 2010-03-02 2016-02-23 Qualcomm Incorporated System and method for timing and frequency synchronization by a Femto access point
EP3755075A3 (de) * 2010-03-12 2021-03-31 BlackBerry Limited Zeitvorlaufverbesserungen zur zellularen Kommunikation
US8594072B2 (en) 2010-03-31 2013-11-26 Qualcomm Incorporated User equipment based method to improve synchronization shift command convergence in TD-SCDMA uplink synchronization
EP2408243B1 (de) * 2010-07-16 2014-04-09 BlackBerry Limited Verfahren und Vorrichtung für autonome Uplink-Zeitvorlaufbeibehaltung
US8526420B2 (en) 2010-07-16 2013-09-03 Blackberry Limited Method and apparatus for autonomous uplink timing advance maintenance
US9756553B2 (en) * 2010-09-16 2017-09-05 Qualcomm Incorporated System and method for assisted network acquisition and search updates
US8989025B2 (en) 2010-11-12 2015-03-24 Telefonaktiebolaget L M Ericsson (Publ) UE timing adjustment in a multi-RAT, carrier aggregation community system
US8774847B2 (en) * 2011-07-27 2014-07-08 Broadcom Corporation Cellular radio path measurement and reporting
KR20130045169A (ko) * 2011-10-24 2013-05-03 주식회사 팬택 다중 요소 반송파 시스템에서 상향링크 동기의 수행장치 및 방법
EP2777203A4 (de) * 2011-11-08 2015-07-08 Xg Technology Inc Interferenzverringerungsverfahren für einzel- oder mimo-empfängervorrichtungen
DK2813025T3 (en) * 2012-02-07 2017-02-06 ERICSSON TELEFON AB L M (publ) METHOD AND DEVICE FOR SENDING TIMING ADJUSTMENT
US9155057B2 (en) 2012-05-01 2015-10-06 Qualcomm Incorporated Femtocell synchronization enhancements using access probes from cooperating mobiles
US20140098798A1 (en) * 2012-10-10 2014-04-10 Qualcomm Incorporated Uplink timing control to reduce call drop
US9237530B2 (en) 2012-11-09 2016-01-12 Qualcomm Incorporated Network listen with self interference cancellation
CN105264931B (zh) * 2013-03-22 2019-05-03 华为技术有限公司 数据传输的方法、用户设备、基站及系统
US9907092B2 (en) 2014-10-09 2018-02-27 Qualcomm Incorporated Uplink synchronization without preamble in SC-FDMA
US10750419B2 (en) 2015-02-04 2020-08-18 Qualcomm Incorporated Methods of efficient handover and reselection to a home ENODEB using user equipment motion
US10136402B2 (en) 2015-03-31 2018-11-20 Huawei Technologies Co., Ltd. Efficient uplink timing synchronization for fixed-location M2M terminals
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CN112953668A (zh) * 2019-12-10 2021-06-11 华为技术有限公司 一种通信系统授时方法及相关设备
WO2022226803A1 (zh) * 2021-04-27 2022-11-03 北京小米移动软件有限公司 上行定时调整方法、装置及存储介质

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Also Published As

Publication number Publication date
KR100886535B1 (ko) 2009-03-02
KR20070121575A (ko) 2007-12-27
EP1871035B1 (de) 2010-02-10
ATE457568T1 (de) 2010-02-15
WO2007148928A1 (en) 2007-12-27
US20080002660A1 (en) 2008-01-03
US8031692B2 (en) 2011-10-04
EP1871035A1 (de) 2007-12-26

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