ATE476816T1 - Trägersynchronisation in ofdm - Google Patents

Trägersynchronisation in ofdm

Info

Publication number
ATE476816T1
ATE476816T1 AT05291741T AT05291741T ATE476816T1 AT E476816 T1 ATE476816 T1 AT E476816T1 AT 05291741 T AT05291741 T AT 05291741T AT 05291741 T AT05291741 T AT 05291741T AT E476816 T1 ATE476816 T1 AT E476816T1
Authority
AT
Austria
Prior art keywords
sfo
estimating
value
ofdm
phase value
Prior art date
Application number
AT05291741T
Other languages
English (en)
Inventor
Dong Geun Lee
Tae Won Lee
Original Assignee
Lg Electronics 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 Lg Electronics Inc filed Critical Lg Electronics Inc
Application granted granted Critical
Publication of ATE476816T1 publication Critical patent/ATE476816T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/015High-definition television systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Developing Agents For Electrophotography (AREA)
AT05291741T 2004-08-18 2005-08-17 Trägersynchronisation in ofdm ATE476816T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040065130A KR101080969B1 (ko) 2004-08-18 2004-08-18 디지털 수신기의 sfo 추정 방법 및 장치

Publications (1)

Publication Number Publication Date
ATE476816T1 true ATE476816T1 (de) 2010-08-15

Family

ID=35520135

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05291741T ATE476816T1 (de) 2004-08-18 2005-08-17 Trägersynchronisation in ofdm

Country Status (5)

Country Link
US (1) US20060039515A1 (de)
EP (1) EP1633098B1 (de)
KR (1) KR101080969B1 (de)
AT (1) ATE476816T1 (de)
DE (1) DE602005022656D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI335164B (en) * 2007-03-20 2010-12-21 Ind Tech Res Inst Timing-offset estimator and method thereof in ofdm systems
CN101277284B (zh) * 2007-03-29 2012-12-26 深圳赛意法微电子有限公司 在drm中的采样时钟频率偏移量估计的方法及集成芯片
US20080273646A1 (en) * 2007-05-02 2008-11-06 Mediaphy Corporation Sampling clock offset tracking and symbol re-timing
US7801020B2 (en) * 2007-08-29 2010-09-21 Intel Corporation Mobile channel estimation algorithm for DVB-H COFDM demodulator
US8085860B2 (en) * 2008-04-29 2011-12-27 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Systems and methods for sampling frequency offset estimation
CN102480457B (zh) * 2010-11-30 2014-06-11 中兴通讯股份有限公司 Ofdma系统的频偏补偿方法及装置
JP6703364B2 (ja) * 2014-04-10 2020-06-03 ザインエレクトロニクス株式会社 受信装置
US9246734B1 (en) * 2015-02-27 2016-01-26 Qualcomm Technologies International, Ltd. Method and apparatus for sample frequency offset correction OFDM and single carrier frequency domain equalized receiver systems
FR3059183B1 (fr) * 2016-11-24 2019-02-01 Continental Automotive France Demodulation optimisee des signaux rds en radio numerique
CN111817841B (zh) * 2020-06-08 2023-03-21 深圳友讯达科技股份有限公司 适用于低信噪比的盲时序误差检测方法、系统及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325128B (en) * 1997-05-02 2002-06-19 Lsi Logic Corp Demodulating digital video broadcast signals
KR100402906B1 (ko) * 2001-02-08 2003-10-22 (주)아이앤씨테크놀로지 직교주파수분할다중방식에서의 주파수 오프셋 동기화 장치및 방법
US7418026B2 (en) * 2002-05-09 2008-08-26 Sony United Kingdom Limited Receiver for a multi-carrier modulated symbol
US7388847B2 (en) * 2003-08-18 2008-06-17 Nortel Networks Limited Channel quality indicator for OFDM

Also Published As

Publication number Publication date
US20060039515A1 (en) 2006-02-23
KR101080969B1 (ko) 2011-11-09
EP1633098A2 (de) 2006-03-08
DE602005022656D1 (de) 2010-09-16
EP1633098A3 (de) 2007-10-03
EP1633098B1 (de) 2010-08-04
KR20060016623A (ko) 2006-02-22

Similar Documents

Publication Publication Date Title
ATE476816T1 (de) Trägersynchronisation in ofdm
KR101626457B1 (ko) Lte 프레임 동기 검출 방법 및 장치, 이를 적용한 중계 장치
KR101253447B1 (ko) 채널 페이딩에 로버스트한 타이밍 획득 방법 및 시스템
RU2007109815A (ru) Устройство и способ для синхронизации частоты в системе ofdm
KR101105399B1 (ko) 직교주파수분할다중접속 시스템의 시간 동기 검출 장치 및 방법과 수신 장치
DE602005018985D1 (de) Empfänger
TW200705909A (en) Synchronization method and apparatus for OFDM systems
DE60135193D1 (de) Symboltaktsynchronisierung in Mehrträgerempfängern
TW200704060A (en) Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot
EP1737173A3 (de) Empfänger für OFDM-Übertragung
RU2010111718A (ru) Обнаружение сигнала в системе беспроводной связи
TW200708020A (en) Collection window positioning using time tracking information
WO2008083399A3 (en) Systems and methods for channel estimation in wireless communication system
WO2009059249A3 (en) Synchronization in a broadcast ofdm system using time division multiplexed pilots
EP1089510A3 (de) Datenübertragungsverfahren und Einrichtung unter Verwendung eines OFDM Systems
TW200943771A (en) Method and apparatus for correcting sampler clock frequency offset in OFDM MIMO systems
CN109792698B (zh) 补偿参考时钟的频率误差的接收器和方法
TW200623660A (en) FFT carrier frequency offset estimation for OFDM signal
KR20210075021A (ko) LoRa 개선 수신기
EP1478150A3 (de) Symboltaktrückgewinnung zum Mehrträgerempfang
EP2670102A1 (de) Verfahren und Vorrichtung zur Synchronisierung eines Empfängers auf empfangenen Präambelsymbolen
UA90133C2 (ru) Передача пилот-сигнала и оценка канала для системы связи, которая использует мультиплексирование с частотным разделением каналов
KR101452563B1 (ko) 프레임 동기 획득 장치 및 방법
KR20040110342A (ko) Ofdm 시스템에서 반복 신호를 이용한 신호대잡음비측정장치 및 방법
ATE503331T1 (de) Kohärenter optischer intradyn-ofdm

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties