NO985030L - Forbedring av, eller med hensyn til, synkronisering - Google Patents

Forbedring av, eller med hensyn til, synkronisering

Info

Publication number
NO985030L
NO985030L NO985030A NO985030A NO985030L NO 985030 L NO985030 L NO 985030L NO 985030 A NO985030 A NO 985030A NO 985030 A NO985030 A NO 985030A NO 985030 L NO985030 L NO 985030L
Authority
NO
Norway
Prior art keywords
frame
synchronization
orthogonality
frames
received
Prior art date
Application number
NO985030A
Other languages
English (en)
Norwegian (no)
Other versions
NO985030D0 (no
Inventor
Lennart Olsson
Gunnar Bahlenberg
Daniel Bengtsson
Siwert Hokansson
Anders Isaksson
Lars-Ke Isaksson
Mikael Isaksson
Magnus Johansson
Mauritz Lahti
Lis-Marie Ljunggren
Hans Lundberg
M Tomas Nordstr
Sven-Rune Olofsson
Tomas Stefansson
Hans Iman
G Ran Ikvist
Original Assignee
Telia Ab
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
Priority claimed from SE9700785A external-priority patent/SE9700785D0/xx
Application filed by Telia Ab filed Critical Telia Ab
Publication of NO985030D0 publication Critical patent/NO985030D0/no
Publication of NO985030L publication Critical patent/NO985030L/no

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
    • H04L27/2662—Symbol 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
    • H04L27/2669—Details of algorithms characterised by the domain of operation
    • H04L27/2672—Frequency domain
    • 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
    • H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
NO985030A 1997-03-03 1998-10-29 Forbedring av, eller med hensyn til, synkronisering NO985030L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9700785A SE9700785D0 (sv) 1997-03-03 1997-03-03 Frame synchronization for an OFDM system using frequency-domain data
SE9703630A SE9703630L (sv) 1997-03-03 1997-10-06 Förbättringar av, eller med avseende på, synkronisering
PCT/SE1998/000354 WO1998039886A2 (fr) 1997-03-03 1998-02-27 Amelioration concernant la synchronisation

Publications (2)

Publication Number Publication Date
NO985030D0 NO985030D0 (no) 1998-10-29
NO985030L true NO985030L (no) 1999-01-04

Family

ID=26662922

Family Applications (1)

Application Number Title Priority Date Filing Date
NO985030A NO985030L (no) 1997-03-03 1998-10-29 Forbedring av, eller med hensyn til, synkronisering

Country Status (7)

Country Link
US (1) US6625112B1 (fr)
EP (1) EP0920765B1 (fr)
DE (1) DE69812850T2 (fr)
EE (1) EE9800375A (fr)
NO (1) NO985030L (fr)
SE (1) SE9703630L (fr)
WO (1) WO1998039886A2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9709063D0 (en) * 1997-05-02 1997-06-25 British Broadcasting Corp Improvements to OFDM symbol synchronization
GB2361157B (en) * 1997-05-02 2001-12-05 British Broadcasting Corp Improvements to OFDM symbol synchronization
SE9801748L (sv) * 1998-05-18 1999-11-19 Telia Ab Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem
US6650617B1 (en) 2000-02-22 2003-11-18 Thomson Licensing S.A. Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system
JP2001308820A (ja) * 2000-04-25 2001-11-02 Mitsubishi Electric Corp 直交周波数分割多重信号受信装置
US6771591B1 (en) 2000-07-31 2004-08-03 Thomson Licensing S.A. Method and system for processing orthogonal frequency division multiplexed signals
US7106709B2 (en) * 2000-11-29 2006-09-12 Telefonaktiebologet Lm Ericsson (Publ) Timing drift compensation in wireless packet-based systems
US20040120482A1 (en) * 2002-12-20 2004-06-24 Bentley Ronald Locker System and method for reducing disruption in a DSL environment caused by a pots transient event
US20060187872A1 (en) * 2005-02-21 2006-08-24 Rich Mark J Multiaccess techniques for mobile and stationary cellular communications

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5371548A (en) * 1993-07-09 1994-12-06 Cable Television Laboratories, Inc. System for transmission of digital data using orthogonal frequency division multiplexing
SE500986C2 (sv) 1993-07-20 1994-10-17 Telia Ab Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM
US5444697A (en) 1993-08-11 1995-08-22 The University Of British Columbia Method and apparatus for frame synchronization in mobile OFDM data communication
SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
US5537398A (en) * 1995-05-12 1996-07-16 Motorola, Inc. Apparatus for multi-rate simulcast communications
CN1097928C (zh) * 1995-08-16 2003-01-01 皇家菲利浦电子有限公司 码处理改善的接收机和传输系统
US5815488A (en) * 1995-09-28 1998-09-29 Cable Television Laboratories, Inc. Multiple user access method using OFDM
WO1997013338A1 (fr) * 1995-10-04 1997-04-10 Philips Electronics N.V. Recepteur et procede pour fournir des donnees dans un format ameliore
JP4014224B2 (ja) * 1995-10-04 2007-11-28 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 ディジタルオーディオ放送のデータシーケンスのフォーマットを変換するためのディジタルオーディオ放送受信機、装置および方法
US5802117A (en) * 1996-02-08 1998-09-01 Philips Electronics North America Corporation Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system
US5914933A (en) * 1996-03-08 1999-06-22 Lucent Technologies Inc. Clustered OFDM communication system
KR100186930B1 (ko) * 1996-03-13 1999-05-15 (소장)배문한 직교성 주파수 분할 다중화 방식 신호를 이용한초기프레임동기화방법
US6035000A (en) * 1996-04-19 2000-03-07 Amati Communications Corporation Mitigating radio frequency interference in multi-carrier transmission systems
US5732113A (en) * 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
US5790514A (en) * 1996-08-22 1998-08-04 Tellabs Operations, Inc. Multi-point OFDM/DMT digital communications system including remote service unit with improved receiver architecture
FR2756687B1 (fr) * 1996-11-29 2001-10-05 Daewoo Electronics Co Ltd Dispositif pour corriger un decalage de frequence dans un systeme de reception ofdm

Also Published As

Publication number Publication date
US6625112B1 (en) 2003-09-23
SE9703630D0 (sv) 1997-10-06
WO1998039886A2 (fr) 1998-09-11
NO985030D0 (no) 1998-10-29
EE9800375A (et) 1999-04-15
DE69812850T2 (de) 2004-01-22
SE9703630L (sv) 1998-09-04
EP0920765A2 (fr) 1999-06-09
WO1998039886A3 (fr) 1998-12-10
EP0920765B1 (fr) 2003-04-02
DE69812850D1 (de) 2003-05-08

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