ATE425620T1 - Frequenzkorrektur für ein mehrträgersystem - Google Patents

Frequenzkorrektur für ein mehrträgersystem

Info

Publication number
ATE425620T1
ATE425620T1 AT07003236T AT07003236T ATE425620T1 AT E425620 T1 ATE425620 T1 AT E425620T1 AT 07003236 T AT07003236 T AT 07003236T AT 07003236 T AT07003236 T AT 07003236T AT E425620 T1 ATE425620 T1 AT E425620T1
Authority
AT
Austria
Prior art keywords
signal
phase offset
phase
predicted
calculated
Prior art date
Application number
AT07003236T
Other languages
English (en)
Inventor
Peter Schramm
Udo Wachsmann
Mathias Pauli
Georg Frank
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE425620T1 publication Critical patent/ATE425620T1/de

Links

Classifications

    • 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
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2679—Decision-aided

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Relay Systems (AREA)
  • Networks Using Active Elements (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Noise Elimination (AREA)
AT07003236T 2001-07-04 2002-05-22 Frequenzkorrektur für ein mehrträgersystem ATE425620T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01115678A EP1274209A1 (de) 2001-07-04 2001-07-04 Frequenzkorrektur in Mehrträgersystemen

Publications (1)

Publication Number Publication Date
ATE425620T1 true ATE425620T1 (de) 2009-03-15

Family

ID=8177856

Family Applications (2)

Application Number Title Priority Date Filing Date
AT02730271T ATE359649T1 (de) 2001-07-04 2002-05-22 Frequenzkorrektion für ein mehrträgersystem
AT07003236T ATE425620T1 (de) 2001-07-04 2002-05-22 Frequenzkorrektur für ein mehrträgersystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT02730271T ATE359649T1 (de) 2001-07-04 2002-05-22 Frequenzkorrektion für ein mehrträgersystem

Country Status (6)

Country Link
US (1) US7324599B2 (de)
EP (3) EP1274209A1 (de)
AT (2) ATE359649T1 (de)
DE (2) DE60231573D1 (de)
TW (1) TW579625B (de)
WO (1) WO2003005663A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0124952D0 (en) * 2001-10-17 2001-12-05 Nokia Corp A receiver and a receiving method
JP2005536103A (ja) * 2002-08-13 2005-11-24 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 広帯域ｏｆｄｍシステムにおけるジョイントチャネルおよび雑音変動推定
US7684501B2 (en) * 2003-02-19 2010-03-23 Realtek Semiconductor Corp. Apparatus and method for carrier frequency offset and phase compensation in communication system
TWI252656B (en) * 2003-03-21 2006-04-01 Realtek Semiconductor Corp Sampling clock compensation device of multi-carrier system and method thereof
US7751501B2 (en) * 2004-05-19 2010-07-06 Infineon Technologies Ag Tracking system
DE102004032667B4 (de) * 2004-07-06 2009-12-03 Infineon Technologies Ag Vorrichtung zum Reduzieren des Dynamikbereichs von Signalen in Sendern von Kommunikationssytemen
US7729434B2 (en) * 2005-12-29 2010-06-01 University Of South Florida System and method for improved channel estimation for wireless OFDM systems
GB2459504B (en) 2008-04-25 2010-06-16 Ipwireless Inc Wireless communication unit and method for channel estimation
CN110709726B (zh) * 2017-03-22 2023-06-30 Lg电子株式会社 用于在无线通信系统中测量距离的方法和装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228062A (en) * 1990-04-16 1993-07-13 Telebit Corporation Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in multicarrier modems
EP0817418B1 (de) * 1996-07-05 2004-01-21 Deutsche Thomson-Brandt Gmbh Verfahren zur Frequenzkorrektur von Mehrträgersignalen und zugehörige Vorrichtung
DE69932150T2 (de) * 1999-04-23 2006-11-09 Sony Deutschland Gmbh Synchronisierungspräambel in einem OFDM-System
US7106709B2 (en) * 2000-11-29 2006-09-12 Telefonaktiebologet Lm Ericsson (Publ) Timing drift compensation in wireless packet-based systems

Also Published As

Publication number Publication date
DE60219474D1 (de) 2007-05-24
DE60219474T2 (de) 2007-12-13
ATE359649T1 (de) 2007-05-15
WO2003005663A1 (en) 2003-01-16
EP1402698B1 (de) 2007-04-11
DE60231573D1 (de) 2009-04-23
EP1780970B1 (de) 2009-03-11
EP1780970A1 (de) 2007-05-02
TW579625B (en) 2004-03-11
EP1274209A1 (de) 2003-01-08
US7324599B2 (en) 2008-01-29
US20040170227A1 (en) 2004-09-02
EP1402698A1 (de) 2004-03-31

Similar Documents

Publication Publication Date Title
US8160185B2 (en) Apparatus for synchronizing OFDM signal using open-loop frequency synchronization method and frequency offset estimation scheme using the apparatus
US20060176802A1 (en) Apparatus and method for compensating for frequency offset in wireless communication system
US6058121A (en) Fine FFT window position recovery apparatus of an OFDM system receiver
ATE344567T1 (de) Verfahren zur kompensation von phasenfehlern in mehrträgersignalen
WO2000065756A1 (en) Ofdm packet communication receiver
ES2064981T3 (es) Un metodo de reducir la influencia del desvanecimiento de la se¦al en un receptor viterbi que tiene al menos dos antenas.
ATE359649T1 (de) Frequenzkorrektion für ein mehrträgersystem
US7305053B2 (en) Dat-aided frequency offset detection using phase unwrapping
KR100440558B1 (ko) Ｏｆｄｍ 수신기에서의 샘플링 주파수 오프셋 및 로컬오실레이터 주파수 오프셋의 보상
US20050084023A1 (en) Method for the frequency and time synchronization of an odm receiver
KR100785473B1 (ko) 멀티-밴드 ｏｆｄｍ 스킴에서 수신 신호의 주파수 옵셋을보상하는 수신기 및 방법
ATE357103T1 (de) Empfänger für ein mehrträger-kommunikationssystem
KR920003758A (ko) 수신기 시스템
US10122527B1 (en) Signal phase tracking with high resolution, wide bandwidth and low phase noise using compound phase locked loop
US11539389B2 (en) Single channel receiver and receiving method
ATE483308T1 (de) Frequenzversatzkompensation für mehrbenutzerdetektion
WO2008024173A3 (en) Method and apparatus for performing hybrid timing and frequency offset synchronization in wireless communication systems
WO2019237292A1 (en) Sampling frequency offset tracking based on decision feedback channel estimation
DE50105257D1 (de) Verfahren und System zur Frequenzoffsetschätzung für Trägermodulierte digitale Kommunikationssysteme
TW329065B (en) Radio receiver
CN1543153A (zh) 频率偏移检测处理系统和使用其的频率偏移检测处理方法
ATE349843T1 (de) Detektion und korrektur von phasensprüngen in einer phasenfolge
ATE290287T1 (de) Demodulator für cpfsk-modulierte signale unter verwendung einer linearen näherung des cpfsk- signals
KR100677309B1 (ko) 시분할 동기식 코드분할 다중접속방식의 프레임 동기 방법
EP0801486B1 (de) Trägerrückgewinnung in einem Mehrträgerempfänger

Legal Events

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