SE500986C2 - Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM - Google Patents

Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM

Info

Publication number
SE500986C2
SE500986C2 SE9302453A SE9302453A SE500986C2 SE 500986 C2 SE500986 C2 SE 500986C2 SE 9302453 A SE9302453 A SE 9302453A SE 9302453 A SE9302453 A SE 9302453A SE 500986 C2 SE500986 C2 SE 500986C2
Authority
SE
Sweden
Prior art keywords
fft
synchronization
time
frequency
correlation
Prior art date
Application number
SE9302453A
Other languages
English (en)
Swedish (sv)
Other versions
SE9302453L (sv
SE9302453D0 (sv
Inventor
Mikael Isaksson
Bo Engstroem
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
Application filed by Telia Ab filed Critical Telia Ab
Priority to SE9302453A priority Critical patent/SE500986C2/sv
Publication of SE9302453D0 publication Critical patent/SE9302453D0/xx
Priority to PCT/SE1994/000560 priority patent/WO1995003656A1/en
Priority to DE69430374T priority patent/DE69430374T2/de
Priority to US08/537,863 priority patent/US5652772A/en
Priority to EP94923114A priority patent/EP0712555B1/de
Publication of SE9302453L publication Critical patent/SE9302453L/xx
Publication of SE500986C2 publication Critical patent/SE500986C2/sv

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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/2662—Symbol synchronisation
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
SE9302453A 1993-07-20 1993-07-20 Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM SE500986C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9302453A SE500986C2 (sv) 1993-07-20 1993-07-20 Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM
PCT/SE1994/000560 WO1995003656A1 (en) 1993-07-20 1994-06-09 Method and apparatus for synchronization in digital transmission systems of the ofdm type
DE69430374T DE69430374T2 (de) 1993-07-20 1994-06-09 Verfahren und einrichtung zur synchronisierung in digitalen ofdm-übertragungssystemen
US08/537,863 US5652772A (en) 1993-07-20 1994-06-09 Method and apparatus for synchronization in digital transmisison systems of the OFDM type
EP94923114A EP0712555B1 (de) 1993-07-20 1994-06-09 Verfahren und einrichtung zur synchronisierung in digitalen ofdm-übertragungssystemen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9302453A SE500986C2 (sv) 1993-07-20 1993-07-20 Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM

Publications (3)

Publication Number Publication Date
SE9302453D0 SE9302453D0 (sv) 1993-07-20
SE9302453L SE9302453L (sv) 1994-10-17
SE500986C2 true SE500986C2 (sv) 1994-10-17

Family

ID=20390641

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9302453A SE500986C2 (sv) 1993-07-20 1993-07-20 Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM

Country Status (5)

Country Link
US (1) US5652772A (de)
EP (1) EP0712555B1 (de)
DE (1) DE69430374T2 (de)
SE (1) SE500986C2 (de)
WO (1) WO1995003656A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996017455A1 (en) * 1994-11-29 1996-06-06 Telia Ab Method for synchronization of transmitter and receiver at mobile radio system
EP1429509A3 (de) * 1995-01-10 2004-06-30 Matsushita Electric Industrial Co., Ltd. OFDM Amplitude- oder Frequenzkorrektur unter Verwendung von Piloten

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US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
GB2306084B (en) * 1995-10-30 2000-02-16 British Broadcasting Corp Correlation of OFDM signals
EP0772332A3 (de) 1995-11-02 2000-10-11 British Broadcasting Corporation Synchronisierung von OFDM-Signalen
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FR2747870B1 (fr) * 1996-04-19 1998-11-06 Wavecom Sa Signal numerique a blocs de reference multiples pour l'estimation de canal, procedes d'estimation de canal et recepteurs correspondants
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ATE245324T1 (de) 1996-09-02 2003-08-15 St Microelectronics Nv Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme
EP0923823B1 (de) 1996-09-02 2002-11-13 STMicroelectronics N.V. Verbesserungen an oder in bezug auf mehrträger-übertragungsysteme
US6438174B1 (en) 1996-09-02 2002-08-20 Stmicroelectronics N.V. Multi-carrier transmission systems
US6493395B1 (en) 1996-09-02 2002-12-10 Stmicroelectronics N.V. Multi-carrier transmission systems
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ATE232034T1 (de) 1996-09-02 2003-02-15 St Microelectronics Nv Verbesserungen in, oder in bezug auf mehrträgerübertragungssysteme
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FR3102620B1 (fr) 2019-10-24 2022-12-23 St Microelectronics Grenoble 2 Convertisseur de tension
CN113271120B (zh) * 2020-02-17 2022-09-13 广州海格通信集团股份有限公司 跳频同步系统、方法、装置、计算机设备和存储介质
FR3113142B1 (fr) 2020-07-30 2022-12-23 St Microelectronics Grenoble 2 Convertisseur de tension
FR3113140B1 (fr) 2020-07-30 2022-12-23 St Microelectronics Grenoble 2 Convertisseur de tension
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Publication number Priority date Publication date Assignee Title
WO1996017455A1 (en) * 1994-11-29 1996-06-06 Telia Ab Method for synchronization of transmitter and receiver at mobile radio system
EP1429509A3 (de) * 1995-01-10 2004-06-30 Matsushita Electric Industrial Co., Ltd. OFDM Amplitude- oder Frequenzkorrektur unter Verwendung von Piloten
EP1617613A2 (de) * 1995-01-10 2006-01-18 Matsushita Electric Industrial Co., Ltd. OFDM Kommunikationsgeräte unter Verwendung von pseudo-zufällig modulierten Referenzsymbolen
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Also Published As

Publication number Publication date
DE69430374D1 (de) 2002-05-16
EP0712555A1 (de) 1996-05-22
US5652772A (en) 1997-07-29
SE9302453L (sv) 1994-10-17
WO1995003656A1 (en) 1995-02-02
SE9302453D0 (sv) 1993-07-20
DE69430374T2 (de) 2002-11-28
EP0712555B1 (de) 2002-04-10

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