DE69406151D1 - Einrichtung zur Synchronisierung eines lokalen Trägers, in OFDM-Systemen - Google Patents

Einrichtung zur Synchronisierung eines lokalen Trägers, in OFDM-Systemen

Info

Publication number
DE69406151D1
DE69406151D1 DE69406151T DE69406151T DE69406151D1 DE 69406151 D1 DE69406151 D1 DE 69406151D1 DE 69406151 T DE69406151 T DE 69406151T DE 69406151 T DE69406151 T DE 69406151T DE 69406151 D1 DE69406151 D1 DE 69406151D1
Authority
DE
Germany
Prior art keywords
synchronizing
ofdm systems
local bearer
bearer
local
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69406151T
Other languages
English (en)
Other versions
DE69406151T2 (de
Inventor
Flavio Daffara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
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 Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69406151D1 publication Critical patent/DE69406151D1/de
Application granted granted Critical
Publication of DE69406151T2 publication Critical patent/DE69406151T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • 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
    • H04L27/2675—Pilot or known symbols
DE69406151T 1993-01-13 1994-01-07 Einrichtung zur Synchronisierung eines lokalen Trägers, in OFDM-Systemen Expired - Fee Related DE69406151T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9300245 1993-01-13

Publications (2)

Publication Number Publication Date
DE69406151D1 true DE69406151D1 (de) 1997-11-20
DE69406151T2 DE69406151T2 (de) 1998-04-02

Family

ID=9442994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69406151T Expired - Fee Related DE69406151T2 (de) 1993-01-13 1994-01-07 Einrichtung zur Synchronisierung eines lokalen Trägers, in OFDM-Systemen

Country Status (5)

Country Link
US (1) US5541965A (de)
EP (1) EP0606941B1 (de)
JP (1) JP3429831B2 (de)
KR (1) KR100337715B1 (de)
DE (1) DE69406151T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69502250T2 (de) * 1994-08-25 1998-10-29 Philips Electronics Nv Digitales Übertragungssystem mit einer doppelten Synchronisierungsschleife
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
EP0748093A1 (de) * 1995-06-08 1996-12-11 Laboratoires D'electronique Philips S.A.S. Digitales Übertragungssystem mit Entscheidungsmitteln zur Auswahl der Synchronisierungsart
US5828705A (en) * 1996-02-01 1998-10-27 Kroeger; Brian W. Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio
US6055231A (en) * 1997-03-12 2000-04-25 Interdigital Technology Corporation Continuously adjusted-bandwidth discrete-time phase-locked loop
JP3466422B2 (ja) * 1997-05-28 2003-11-10 株式会社ケンウッド 受信装置
US6654432B1 (en) 1998-06-08 2003-11-25 Wireless Facilities, Inc. Joint maximum likelihood frame and timing estimation for a digital receiver
US6359878B1 (en) 1998-07-20 2002-03-19 Wirless Facilities, Inc. Non-data-aided maximum likelihood based feedforward timing synchronization method
WO2000019673A1 (fr) * 1998-09-28 2000-04-06 Matsushita Electric Industrial Co., Ltd. Recepteur a bande laterale residuelle
US6430235B1 (en) 1998-11-05 2002-08-06 Wireless Facilities, Inc. Non-data-aided feedforward timing synchronization method
US6738429B1 (en) 1999-06-01 2004-05-18 Harris Corporation Decision-directed carrier frequency detector and method for QAM
KR100529150B1 (ko) * 1999-06-24 2005-11-16 매그나칩 반도체 유한회사 주파수 옵셋 및 위상 에러를 동시에 줄이는 반송파 주파수 복구 방법 및 장치
US6505037B1 (en) * 1999-06-29 2003-01-07 Sharp Laboratories Of America, Inc. Data unit detection including antenna diversity
US6859504B1 (en) 1999-06-29 2005-02-22 Sharp Laboratories Of America, Inc. Rapid settling automatic gain control with minimal signal distortion
DE19933535A1 (de) * 1999-07-16 2001-01-25 Polytrax Inf Technology Ag Synchronisationsverfahren zur Datenübertragung
US6606357B1 (en) 1999-09-10 2003-08-12 Harris Corporation Carrier injecting waveform-based modulation scheme for reducing satellite transponder power requirements and earth terminal antenna size
US6683920B1 (en) 2000-09-22 2004-01-27 Applied Micro Circuits Corporation Dual-loop system and method for frequency acquisition and tracking
US6704329B2 (en) * 2001-05-08 2004-03-09 Path 1 Network Technologies Inc. Minimizing the effect of jitter upon the quality of service operation of networked gateway devices
JP3798656B2 (ja) * 2001-06-22 2006-07-19 株式会社ケンウッド 直交周波数分割多重信号受信装置、受信装置、直交周波数分割多重信号受信方法及び受信方法
DE102005000053A1 (de) * 2005-05-10 2006-11-16 Hilti Ag Handgeführten, scannender Untergrunddetektor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909735A (en) * 1974-04-04 1975-09-30 Ncr Co Slow switch for bandwidth change in phase-locked loop
US4215239A (en) * 1977-12-05 1980-07-29 E-Systems, Inc. Apparatus for the acquisition of a carrier frequency and symbol timing lock
US4473805A (en) * 1981-12-14 1984-09-25 Rca Corporation Phase lock loss detector
US4718116A (en) * 1982-06-01 1988-01-05 Aerotron, Inc. Method and apparatus for receiving a compressed composite signal
US4539707A (en) * 1982-06-01 1985-09-03 Aerotron, Inc. Compressed single side band communications system and method
US4573208A (en) * 1982-06-01 1986-02-25 Aerotron, Inc. Compressed single side band communications system and method
JPS6016731A (ja) * 1984-06-21 1985-01-28 Matsushita Electric Ind Co Ltd Ｐｌｌ回路装置
US4855689A (en) * 1987-02-13 1989-08-08 Hughes Aircraft Company Phase lock loop with switchable filter for acquisition and tracking modes
US4724401A (en) * 1987-04-23 1988-02-09 Rockwell International Corporation Adaptive oscillator apparatus for use in a phase-lock loop
US5065107A (en) * 1990-04-19 1991-11-12 University Of Saskatchewan Phase-locked loop bandwidth switching demodulator for suppressed carrier signals
FR2670062B1 (fr) * 1990-11-30 1993-11-12 Thomson Csf Procede de recalage des oscillateurs locaux d'un recepteur et dispositif pour la mise en óoeuvre du procede.
SG44771A1 (en) * 1991-02-28 1997-12-19 Philips Electronics Nv System for broadcasting and receiving digital data receiver and transmitter for use in such system
US5425057A (en) * 1994-04-25 1995-06-13 Paff; Thomas M. Phase demodulation method and apparatus using asynchronous sampling pulses

Also Published As

Publication number Publication date
JP3429831B2 (ja) 2003-07-28
US5541965A (en) 1996-07-30
EP0606941B1 (de) 1997-10-15
KR100337715B1 (ko) 2002-08-21
DE69406151T2 (de) 1998-04-02
EP0606941A1 (de) 1994-07-20
JPH06244813A (ja) 1994-09-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee