IT1288778B1 - Procedimento e apparato di ricezione di segnali numerici in multiplex codificato e divisione di frequenze. - Google Patents

Procedimento e apparato di ricezione di segnali numerici in multiplex codificato e divisione di frequenze.

Info

Publication number
IT1288778B1
IT1288778B1 IT96TO000867A ITTO960867A IT1288778B1 IT 1288778 B1 IT1288778 B1 IT 1288778B1 IT 96TO000867 A IT96TO000867 A IT 96TO000867A IT TO960867 A ITTO960867 A IT TO960867A IT 1288778 B1 IT1288778 B1 IT 1288778B1
Authority
IT
Italy
Prior art keywords
channel
estimates
transfer function
guard interval
binary signals
Prior art date
Application number
IT96TO000867A
Other languages
English (en)
Inventor
Vittoria Mignone
Alberto Morello
Original Assignee
Rai Radiotelevisione Italiana
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 Rai Radiotelevisione Italiana filed Critical Rai Radiotelevisione Italiana
Priority to IT96TO000867A priority Critical patent/IT1288778B1/it
Priority to DE0838928T priority patent/DE838928T1/de
Priority to DE69736162T priority patent/DE69736162D1/de
Priority to AT97203254T priority patent/ATE331373T1/de
Priority to EP97203254A priority patent/EP0838928B1/en
Publication of ITTO960867A1 publication Critical patent/ITTO960867A1/it
Application granted granted Critical
Publication of IT1288778B1 publication Critical patent/IT1288778B1/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding 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
    • 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)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Amplifiers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Picture Signal Circuits (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Time-Division Multiplex Systems (AREA)
IT96TO000867A 1996-10-25 1996-10-25 Procedimento e apparato di ricezione di segnali numerici in multiplex codificato e divisione di frequenze. IT1288778B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT96TO000867A IT1288778B1 (it) 1996-10-25 1996-10-25 Procedimento e apparato di ricezione di segnali numerici in multiplex codificato e divisione di frequenze.
DE0838928T DE838928T1 (de) 1996-10-25 1997-10-18 Entzerrung von Mehrträgersignalen
DE69736162T DE69736162D1 (de) 1996-10-25 1997-10-18 Entzerrung von Mehrträgersignalen
AT97203254T ATE331373T1 (de) 1996-10-25 1997-10-18 Entzerrung von mehrträgersignalen
EP97203254A EP0838928B1 (en) 1996-10-25 1997-10-18 Equalisation of multicarrier signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96TO000867A IT1288778B1 (it) 1996-10-25 1996-10-25 Procedimento e apparato di ricezione di segnali numerici in multiplex codificato e divisione di frequenze.

Publications (2)

Publication Number Publication Date
ITTO960867A1 ITTO960867A1 (it) 1998-04-25
IT1288778B1 true IT1288778B1 (it) 1998-09-24

Family

ID=11414982

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96TO000867A IT1288778B1 (it) 1996-10-25 1996-10-25 Procedimento e apparato di ricezione di segnali numerici in multiplex codificato e divisione di frequenze.

Country Status (4)

Country Link
EP (1) EP0838928B1 (it)
AT (1) ATE331373T1 (it)
DE (2) DE69736162D1 (it)
IT (1) IT1288778B1 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19735216C2 (de) * 1997-08-14 1999-07-15 Deutsche Telekom Ag Verfahren zur Übertragung von Mehrträgersignalen mit einer Koeffizienteneinstellung des Zeitbereichsentzerrers
WO1999062207A1 (en) * 1998-05-26 1999-12-02 Jean Armstrong Data transmission and reception in multicarrier modulation systems
GB2346520A (en) * 1998-11-09 2000-08-09 Wi Lan Inc Data recovery in an OFDM system exploiting pilot subcarriers
US7177378B2 (en) 2001-03-30 2007-02-13 Telefonaktiebolaget Lm Ericsson (Publ) Minimization of error contributions in a DMT system
EP1246422A1 (en) * 2001-03-30 2002-10-02 Telefonaktiebolaget Lm Ericsson Equaliser for multicarrier system
US6961545B2 (en) 2001-04-09 2005-11-01 Atheros Communications, Inc. Method and system for providing antenna diversity
FR2825551B1 (fr) * 2001-05-30 2003-09-19 Wavecom Sa Procede d'estimation de la fonction de transfert d'un canal de transmission d'un signal multiporteuse, procede de reception d'un signal numerique, et recepteur d'un signal multiporteuse correspondants
AT411002B (de) * 2001-09-14 2003-09-25 Ftw Forschungszentrum Telekomm Verfahren zum übertragen von daten durch mehrträger-modulation
EP1313282B1 (en) * 2001-11-15 2004-09-08 Matsushita Electric Industrial Co., Ltd. Method and apparatus for OFDM (orthogonal frequency division multiplexing) demodulation
DE10225663B4 (de) * 2002-06-10 2005-12-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zur Durchführung einer Kanalschätzung
DE10248507A1 (de) * 2002-10-11 2004-04-22 IHP GmbH - Innovations for High Performance Microelectronics/Institut für innovative Mikroelektronik Verfahren und Vorrichtung zur Fehlerkorrektur von Multiplex-Signalen
GB2412552A (en) * 2004-03-26 2005-09-28 Sony Uk Ltd Receiver
GB2412551A (en) 2004-03-26 2005-09-28 Sony Uk Ltd Receiver
KR100585155B1 (ko) * 2004-08-19 2006-05-30 삼성전자주식회사 변환 도메인의 복소 필터를 이용한 ｄｖｂ-ｔ 수신기의주파수 도메인 채널 평가 방법
DE602006004975D1 (de) * 2005-03-01 2009-03-12 Panasonic Corp OFDM-Empfänger und Empfangsverfahren
CN102984098B (zh) * 2006-10-05 2016-11-23 科达无线私人有限公司 用于提高通信网络中的接收机性能的系统和方法
WO2008146242A2 (en) 2007-05-30 2008-12-04 Nxp B.V. Frequency domain interpolation based receiver for multicarrier signals
IT1394614B1 (it) * 2008-07-29 2012-07-05 Rai Radiotelevisione Italiana S P A Metodo e apparato di ricezione di segnali numerici in multiplex codificato a divisione di frequenza per sistemi di trasmissione, in particolare a diversita' spaziale
CN104333527B (zh) * 2014-11-26 2019-05-21 西安烽火电子科技有限责任公司 一种飞机用cofdm调制解调方法
CN111432473B (zh) * 2019-01-09 2022-11-18 成都鼎桥通信技术有限公司 数字集群的载波调度方法和装置

Also Published As

Publication number Publication date
EP0838928A3 (en) 2001-01-31
EP0838928A2 (en) 1998-04-29
ITTO960867A1 (it) 1998-04-25
EP0838928B1 (en) 2006-06-21
DE69736162D1 (de) 2006-08-03
ATE331373T1 (de) 2006-07-15
DE838928T1 (de) 1998-11-19

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Legal Events

Date Code Title Description
0001 Granted