ATE457568T1 - 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
ATE457568T1
ATE457568T1 AT07012267T AT07012267T ATE457568T1 AT E457568 T1 ATE457568 T1 AT E457568T1 AT 07012267 T AT07012267 T AT 07012267T AT 07012267 T AT07012267 T AT 07012267T AT E457568 T1 ATE457568 T1 AT E457568T1
Authority
AT
Austria
Prior art keywords
user device
orthogonal frequency
upward direction
clock synchronization
multiplex system
Prior art date
Application number
AT07012267T
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
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
Application granted granted Critical
Publication of ATE457568T1 publication Critical patent/ATE457568T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
AT07012267T 2006-06-22 2007-06-22 Verfahren zum erhalten der taktsynchronisierung in der aufwärtsrichtung in einem orthogonal- frequenzmultiplexsystem und benutzergerät dazu ATE457568T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE457568T1 true ATE457568T1 (de) 2010-02-15

Family

ID=38514117

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07012267T ATE457568T1 (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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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
CN102160435B (zh) * 2009-12-17 2014-09-24 高通股份有限公司 Td-scdma上行链路同步中同步振荡的避免
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
EP2367386B1 (de) * 2010-03-12 2020-08-12 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
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US8774847B2 (en) * 2011-07-27 2014-07-08 Broadcom Corporation Cellular radio path measurement and reporting
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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
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Also Published As

Publication number Publication date
EP1871035A1 (de) 2007-12-26
KR100886535B1 (ko) 2009-03-02
EP1871035B1 (de) 2010-02-10
DE602007004692D1 (de) 2010-03-25
US8031692B2 (en) 2011-10-04
WO2007148928A1 (en) 2007-12-27
US20080002660A1 (en) 2008-01-03
KR20070121575A (ko) 2007-12-27

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