IL165903A0 - Method for equalising and demodulating a data signal which is transmitted via time-variant channel - Google Patents

Method for equalising and demodulating a data signal which is transmitted via time-variant channel

Info

Publication number
IL165903A0
IL165903A0 IL16590304A IL16590304A IL165903A0 IL 165903 A0 IL165903 A0 IL 165903A0 IL 16590304 A IL16590304 A IL 16590304A IL 16590304 A IL16590304 A IL 16590304A IL 165903 A0 IL165903 A0 IL 165903A0
Authority
IL
Israel
Prior art keywords
data signal
equalising
demodulating
transmitted via
via time
Prior art date
Application number
IL16590304A
Other languages
English (en)
Original Assignee
Rohde & Schwarz
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 Rohde & Schwarz filed Critical Rohde & Schwarz
Publication of IL165903A0 publication Critical patent/IL165903A0/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • H04L25/03248Arrangements for operating in conjunction with other apparatus
    • H04L25/03292Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/01Equalisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375Passband transmission
    • H04L2025/03414Multicarrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03433Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439Fixed structures
    • H04L2025/03445Time domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03433Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439Fixed structures
    • H04L2025/03522Frequency domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/024Channel estimation channel estimation algorithms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • H04L25/03248Arrangements for operating in conjunction with other apparatus
    • H04L25/03286Arrangements for operating in conjunction with other apparatus with channel-decoding circuitry

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)
  • Communication Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Error Detection And Correction (AREA)
IL16590304A 2002-06-24 2004-12-21 Method for equalising and demodulating a data signal which is transmitted via time-variant channel IL165903A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10228159A DE10228159A1 (de) 2002-06-24 2002-06-24 Verfahren zur Entzerrung und Demodulation eines über einen zeitveränderlichen Kanal übertragenen Datensignals
PCT/EP2003/005068 WO2004002099A1 (fr) 2002-06-24 2003-05-14 Procede d'egalisation et de demodulation d'un signal de donnees transmis par l'intermediaire d'un canal variable dans le temps

Publications (1)

Publication Number Publication Date
IL165903A0 true IL165903A0 (en) 2006-01-15

Family

ID=29761352

Family Applications (1)

Application Number Title Priority Date Filing Date
IL16590304A IL165903A0 (en) 2002-06-24 2004-12-21 Method for equalising and demodulating a data signal which is transmitted via time-variant channel

Country Status (17)

Country Link
US (1) US20050220231A1 (fr)
EP (1) EP1516470B1 (fr)
KR (1) KR20050007432A (fr)
CN (1) CN1663212A (fr)
AT (1) ATE306166T1 (fr)
AU (1) AU2003232774B2 (fr)
BR (1) BR0307433A (fr)
CA (1) CA2474559A1 (fr)
DE (2) DE10228159A1 (fr)
DK (1) DK1516470T3 (fr)
ES (1) ES2249733T3 (fr)
HU (1) HU225835B1 (fr)
IL (1) IL165903A0 (fr)
MX (1) MXPA04010997A (fr)
NO (1) NO20050321L (fr)
WO (1) WO2004002099A1 (fr)
ZA (1) ZA200404576B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7596191B2 (en) * 2005-12-08 2009-09-29 Nokia Corporation Apparatus, method and computer program product providing a computationally efficient maximum likelihood joint synchronization and channel estimation algorithm
DE102006029464A1 (de) * 2005-12-23 2007-06-28 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Entzerrer zur Detektion von über einen zeitveränderlichen Übertragungskanal übertragenen Datensymbol-Sequenzen aus einem diese enthaltenden Empfangssignal
DE102006014064A1 (de) * 2005-12-23 2007-06-28 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Entzerrer zur Entzerrung einer über einen zeitveränderlichen Übertragungskanal empfangenen Datensymbol-Sequenz
CN105548711B (zh) * 2015-12-08 2018-06-12 北京航空航天大学 一种多频信息滤波递推解调方法
CN109274423B (zh) * 2018-10-22 2020-03-17 南京邮电大学 一种移动性可见光通信信道均衡方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997841A (en) * 1974-10-08 1976-12-14 International Standard Electric Corporation Time domain equalizer for broadband communication systems
US4959656A (en) * 1989-10-31 1990-09-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Efficient detection and signal parameter estimation with application to high dynamic GPS receiver
US5859874A (en) * 1994-05-09 1999-01-12 Globalstar L.P. Multipath communication system optimizer
US5729558A (en) * 1995-03-08 1998-03-17 Lucent Technologies Inc. Method of compensating for Doppler error in a wireless communications system, such as for GSM and IS54
US6134277A (en) * 1997-09-04 2000-10-17 Ericsson Inc System and method for self-adaptive maximum likelihood sequence detection
US6411649B1 (en) * 1998-10-20 2002-06-25 Ericsson Inc. Adaptive channel tracking using pilot sequences
CN1118169C (zh) * 1998-11-24 2003-08-13 印芬龙科技股份有限公司 对离散多音调制信号中干扰补偿的方法和实施该方法的电路
US6320919B1 (en) * 1998-11-30 2001-11-20 Ericsson Inc. Adaptive channel characterization using decoded symbols
FR2787199B1 (fr) * 1998-12-11 2001-03-09 Thomson Csf Procede de detection, notamment de petites cibles marines
US6757339B1 (en) * 2000-07-24 2004-06-29 Nortel Networks Limited Minimum mean-squared error block-decision feedback sequence estimation in digital communication systems
US6983125B2 (en) * 2001-09-25 2006-01-03 Qualcomm Incorporated Method and apparatus for varying the length of an adaptive equalizer based on doppler frequency

Also Published As

Publication number Publication date
MXPA04010997A (es) 2005-05-27
EP1516470B1 (fr) 2005-10-05
AU2003232774A1 (en) 2004-01-06
HU225835B1 (en) 2007-10-29
DE50301325D1 (de) 2005-11-10
AU2003232774B2 (en) 2007-05-10
BR0307433A (pt) 2004-12-28
CN1663212A (zh) 2005-08-31
DE10228159A1 (de) 2004-01-22
HUP0500020A2 (hu) 2005-05-30
ZA200404576B (en) 2005-06-09
ES2249733T3 (es) 2006-04-01
CA2474559A1 (fr) 2003-12-31
NO20050321L (no) 2005-01-20
WO2004002099A1 (fr) 2003-12-31
ATE306166T1 (de) 2005-10-15
EP1516470A1 (fr) 2005-03-23
DK1516470T3 (da) 2006-02-20
US20050220231A1 (en) 2005-10-06
KR20050007432A (ko) 2005-01-18

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