YU46740B - Adaptivni transverzalni korektor - Google Patents

Adaptivni transverzalni korektor

Info

Publication number
YU46740B
YU46740B YU157986A YU157986A YU46740B YU 46740 B YU46740 B YU 46740B YU 157986 A YU157986 A YU 157986A YU 157986 A YU157986 A YU 157986A YU 46740 B YU46740 B YU 46740B
Authority
YU
Yugoslavia
Prior art keywords
elements
integer
coefficients
delay
indexed
Prior art date
Application number
YU157986A
Other languages
English (en)
Other versions
YU157986A (en
Inventor
G. Sebald
B. Lankl
J.A. Nossek
Original Assignee
Siemens Ag.
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 Siemens Ag. filed Critical Siemens Ag.
Publication of YU157986A publication Critical patent/YU157986A/xx
Publication of YU46740B publication Critical patent/YU46740B/sh

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
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/0342—QAM
    • 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03484—Tapped delay lines time-recursive
    • H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
    • 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03515—Tapped delay lines irregularly spaced
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms
    • H04L2025/03624—Zero-forcing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
  • Catalysts (AREA)
  • Power Steering Mechanism (AREA)

Abstract

ADAPTIVNI TRANSVERZALNI KOREKTOR, koji se sastoji od većeg broja interaktivno povezanih elemenata za kašnjenje a svaki elemenat ima vreme kašnjenja T koje odgovara razmaku dvaju sukcesivno otpremljenih znakova, i sa (m+n+1) elemenata za podešavanje, priključenih izmedju elemenata za kašnjenje i ulaza u kolo za sabiranje, koeficijenti elemenata za kašnjenje se izvode iz izlaznog signala kola odlučivanja, pri čemu m označava broj negativno-indeksovanih elemenata za podešavanje (prekursora) a n označava broj pozitivno-indeksovanih koeficijenata (prekursora), i sa linearnim glavnim odvodom, koji su podešeni prema algoritmu prolaza kroz nulu, ili se sastoji od ekvivalentnog sklopa kod kojeg se ulazni signal paralelno privodi na elemente podešavanja a izlazni signali elemenata za podešavanje se sa intervalom T uvode u vod za kašnjenje, naznačen time, da su predvidjeni najmanje jedan odnosno i dodatnih, pozitivno indeksovanih, koeficijenata koji su povratno spregnuti u odlučivanju, u nastavku na oblast pristupa linearnog transverzalnog filtera, čija vremena tranzita petlje odgovaraju (n+j) T sa j=1,... i, gde m jeste ceo broj 0, i jeste ceo broj 1, a n jeste ceo broj 1. Prijava sadrži još 1 nezavisan zahtev.
YU157986A 1985-10-03 1986-09-10 Adaptivni transverzalni korektor YU46740B (sh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3535390 1985-10-03

Publications (2)

Publication Number Publication Date
YU157986A YU157986A (en) 1988-12-31
YU46740B true YU46740B (sh) 1994-04-05

Family

ID=6282713

Family Applications (1)

Application Number Title Priority Date Filing Date
YU157986A YU46740B (sh) 1985-10-03 1986-09-10 Adaptivni transverzalni korektor

Country Status (13)

Country Link
US (1) US4745623A (sh)
EP (1) EP0218181B1 (sh)
JP (1) JPH0813011B2 (sh)
AR (1) AR241298A1 (sh)
AT (1) ATE60857T1 (sh)
AU (1) AU587501B2 (sh)
BR (1) BR8604776A (sh)
DE (1) DE3677447D1 (sh)
ES (1) ES2019862B3 (sh)
GR (1) GR3001438T3 (sh)
MX (1) MX161447A (sh)
NO (1) NO173969C (sh)
YU (1) YU46740B (sh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1188626B (it) * 1986-03-25 1988-01-20 Gte Telecom Spa Metodo e dispositivo di equalizzazione adattiva cieca
YU47270B (sh) * 1986-10-31 1995-01-31 Siemens Aktiengesellschaft Berlin I Minhen Adaptivni korektor frekvencijskog domena za digitalne radio relejne sisteme
US5042026A (en) * 1987-03-03 1991-08-20 Nec Corporation Circuit for cancelling whole or part of a waveform using nonrecursive and recursive filters
JPH02292918A (ja) * 1989-05-08 1990-12-04 Hitachi Ltd ４相変調信号の受信装置
SE469251B (sv) * 1991-10-16 1993-06-07 Ericsson Telefon Ab L M Beslutsaaterkopplad olinjaer utjaemnare
JP2934353B2 (ja) * 1992-06-24 1999-08-16 三菱電機株式会社 半導体装置およびその製造方法
FI98578C (fi) * 1995-04-24 1997-07-10 Nokia Technology Gmbh Menetelmä ja piirijärjestely tiedonsiirtosignaalin viivästyneiden komponenttien kompensoimiseksi
DE19526257B4 (de) * 1995-07-19 2005-01-05 Marconi Communications Gmbh Adaptiver Kanalentzerrer
GB2305828B (en) * 1995-09-29 2000-06-14 Sony Corp Automatic equalizer and digital signal reproducing apparatus carrying the same
DE502007002632D1 (de) * 2006-07-14 2010-03-04 Nokia Siemens Networks Gmbh Empfängerstruktur und verfahren zur demodulation eines quadraturmodulierten signals
US8995520B2 (en) * 2011-02-14 2015-03-31 Fujitsu Limited Analog continuous-time phase equalizer for data transmission

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5454559A (en) * 1977-10-11 1979-04-28 Fujitsu Ltd Automatic equalizer
JPS54109720A (en) * 1978-02-16 1979-08-28 Toshiba Corp Ghost signal erasing device
AU532416B2 (en) * 1979-09-19 1983-09-29 Plessey Overseas Ltd. Transversal equalisers
JPS5678243A (en) * 1979-11-30 1981-06-27 Fujitsu Ltd Data mode converging method
JPS5757023A (en) * 1980-09-24 1982-04-06 Toshiba Corp Transversal equalizer
JPS5827475A (ja) * 1981-08-11 1983-02-18 Hitachi Ltd ゴ−スト除去装置
US4524424A (en) * 1982-02-18 1985-06-18 Rockwell International Corporation Adaptive spectrum shaping filter
NL8202438A (nl) * 1982-06-16 1984-01-16 Philips Nv Eindinrichting voor een duplex transmissiestelsel.
US4468786A (en) * 1982-09-21 1984-08-28 Harris Corporation Nonlinear equalizer for correcting intersymbol interference in a digital data transmission system
JPS59211313A (ja) * 1983-05-17 1984-11-30 Toshiba Corp 自動等化器
US4550415A (en) * 1983-11-16 1985-10-29 At&T Bell Laboratories Fractionally spaced equalization using nyquist-rate coefficient updating

Also Published As

Publication number Publication date
DE3677447D1 (de) 1991-03-14
NO173969C (no) 1994-02-23
JPH0813011B2 (ja) 1996-02-07
EP0218181B1 (de) 1991-02-06
ATE60857T1 (de) 1991-02-15
NO863760D0 (no) 1986-09-22
JPS6286926A (ja) 1987-04-21
US4745623A (en) 1988-05-17
YU157986A (en) 1988-12-31
BR8604776A (pt) 1987-06-30
MX161447A (es) 1990-09-27
AU6344286A (en) 1987-04-09
ES2019862B3 (es) 1991-07-16
GR3001438T3 (en) 1992-09-25
NO863760L (no) 1987-04-06
NO173969B (no) 1993-11-15
AR241298A1 (es) 1992-04-30
AU587501B2 (en) 1989-08-17
EP0218181A1 (de) 1987-04-15

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