BR9506541A - Processo para a correção digital de frequência em processos de transmissão multiportadora - Google Patents

Processo para a correção digital de frequência em processos de transmissão multiportadora

Info

Publication number
BR9506541A
BR9506541A BR9506541A BR9506541A BR9506541A BR 9506541 A BR9506541 A BR 9506541A BR 9506541 A BR9506541 A BR 9506541A BR 9506541 A BR9506541 A BR 9506541A BR 9506541 A BR9506541 A BR 9506541A
Authority
BR
Brazil
Prior art keywords
frequency correction
digital frequency
transmission processes
multiport transmission
multiport
Prior art date
Application number
BR9506541A
Other languages
English (en)
Inventor
Michael Bolle
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of BR9506541A publication Critical patent/BR9506541A/pt

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
    • H04L27/2626—Arrangements specific to the transmitter only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BR9506541A 1994-11-23 1995-11-08 Processo para a correção digital de frequência em processos de transmissão multiportadora BR9506541A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4441566A DE4441566A1 (de) 1994-11-23 1994-11-23 Verfahren zur digitalen Frequenzkorrektur bei Mehrträgerübertragungsverfahren
PCT/DE1995/001541 WO1996016493A1 (de) 1994-11-23 1995-11-08 Verfahren zur digitalen frequenzkorrektur bei mehrträgerübertragungsverfahren

Publications (1)

Publication Number Publication Date
BR9506541A true BR9506541A (pt) 1997-10-28

Family

ID=6533871

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9506541A BR9506541A (pt) 1994-11-23 1995-11-08 Processo para a correção digital de frequência em processos de transmissão multiportadora

Country Status (12)

Country Link
US (1) US5940406A (pt)
EP (1) EP0740869B1 (pt)
JP (1) JP3399541B2 (pt)
KR (1) KR100355137B1 (pt)
CN (1) CN1096767C (pt)
AU (1) AU690361B2 (pt)
BR (1) BR9506541A (pt)
CZ (1) CZ295650B6 (pt)
DE (2) DE4441566A1 (pt)
HU (1) HU216851B (pt)
TW (1) TW277187B (pt)
WO (1) WO1996016493A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3348210B2 (ja) * 1996-04-08 2002-11-20 株式会社ケンウッド 復調器
DE19635444C2 (de) * 1996-08-31 1998-06-18 Rohde & Schwarz Rückkopplungsfreies Verfahren zur Demodulation von höherstufigen MQAM-Signalen ohne Kenntnis der übertragenen Symbole
DE69719336D1 (de) * 1996-09-02 2003-04-03 St Microelectronics Nv Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssysteme
DE19738780A1 (de) * 1997-09-04 1999-03-11 Thomson Brandt Gmbh Verfahren und Schaltungsanordnung zur Korrektur von Phasen- und/oder Frequenzfehlern digitaler Multicarrier-Signale
JP2000269923A (ja) 1999-03-19 2000-09-29 Toshiba Corp 外部装置同期機能をもつｏｆｄｍ変調器
US6961369B1 (en) 1999-11-09 2005-11-01 Aware, Inc. System and method for scrambling the phase of the carriers in a multicarrier communications system
GB0012196D0 (en) * 2000-05-19 2000-07-12 Nokia Networks Oy Control circuitry
US20020160737A1 (en) * 2001-03-06 2002-10-31 Magis Networks, Inc. Method and apparatus for diversity antenna branch selection
US6957241B2 (en) * 2002-02-14 2005-10-18 Gallitzin Allegheny Llc FFT and FHT engine
US20040037366A1 (en) * 2002-08-23 2004-02-26 Magis Networks, Inc. Apparatus and method for multicarrier modulation and demodulation
US6990324B2 (en) * 2004-04-15 2006-01-24 Flarion Technologies, Inc. Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier
US7684473B2 (en) * 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
JP5335134B2 (ja) 2010-04-16 2013-11-06 日本電信電話株式会社 周波数オフセット推定方法および周波数オフセット推定装置
US8982972B2 (en) 2012-04-30 2015-03-17 Intel Mobile Communications GmbH Apparatus and method for processing an input signal
CN103595683B (zh) * 2013-11-19 2017-09-05 深圳市金频科技有限公司 多载波扩频通信的载波频率误差估算和补偿系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9020170D0 (en) * 1990-09-14 1990-10-24 Indep Broadcasting Authority Orthogonal frequency division multiplexing
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
US5377232A (en) * 1992-01-09 1994-12-27 Cellnet Data Systems, Inc. Frequency synchronized bidirectional radio system
FR2693861A1 (fr) * 1992-07-16 1994-01-21 Philips Electronique Lab Récepteur de signaux à répartition multiplexée de fréquences orthogonales muni d'un dispositif de synchronisation de fréquences.
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ｏｆｄｍ同期復調回路
US5627863A (en) * 1994-07-15 1997-05-06 Amati Communications Corporation Frame synchronization in multicarrier transmission systems

Also Published As

Publication number Publication date
CZ204596A3 (en) 1997-04-16
JPH09508254A (ja) 1997-08-19
DE4441566A1 (de) 1996-05-30
CN1139502A (zh) 1997-01-01
WO1996016493A1 (de) 1996-05-30
JP3399541B2 (ja) 2003-04-21
HUT74334A (en) 1996-12-30
EP0740869A1 (de) 1996-11-06
HU216851B (hu) 1999-09-28
EP0740869B1 (de) 2004-07-14
TW277187B (pt) 1996-06-01
AU3801195A (en) 1996-06-17
US5940406A (en) 1999-08-17
DE59510923D1 (de) 2004-08-19
CN1096767C (zh) 2002-12-18
KR100355137B1 (ko) 2003-01-06
CZ295650B6 (cs) 2005-09-14
HU9601998D0 (en) 1996-09-30
AU690361B2 (en) 1998-04-23

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 16A, 17A, 18A, 19A E 20A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.