SE468920B - Adaptiv utjaemnare ingaaende i mottagaren foer ett datatransmissionsmedium - Google Patents

Adaptiv utjaemnare ingaaende i mottagaren foer ett datatransmissionsmedium

Info

Publication number
SE468920B
SE468920B SE8704135A SE8704135A SE468920B SE 468920 B SE468920 B SE 468920B SE 8704135 A SE8704135 A SE 8704135A SE 8704135 A SE8704135 A SE 8704135A SE 468920 B SE468920 B SE 468920B
Authority
SE
Sweden
Prior art keywords
signal
value
adaptive
equalizer
filter
Prior art date
Application number
SE8704135A
Other languages
English (en)
Swedish (sv)
Other versions
SE8704135L (sv
SE8704135D0 (sv
Inventor
M T V Hulth
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE8704135A priority Critical patent/SE468920B/sv
Publication of SE8704135D0 publication Critical patent/SE8704135D0/xx
Priority to US07/251,552 priority patent/US4912725A/en
Priority to EP88850337A priority patent/EP0313532B1/fr
Priority to DE8888850337T priority patent/DE3873683T2/de
Priority to CA000580907A priority patent/CA1304455C/fr
Publication of SE8704135L publication Critical patent/SE8704135L/
Publication of SE468920B publication Critical patent/SE468920B/sv

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
    • H04L25/03025—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception using a two-tap delay line
    • 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
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
SE8704135A 1987-10-23 1987-10-23 Adaptiv utjaemnare ingaaende i mottagaren foer ett datatransmissionsmedium SE468920B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8704135A SE468920B (sv) 1987-10-23 1987-10-23 Adaptiv utjaemnare ingaaende i mottagaren foer ett datatransmissionsmedium
US07/251,552 US4912725A (en) 1987-10-23 1988-09-30 Adaptive equalizer included in the receiver for a data transmission system
EP88850337A EP0313532B1 (fr) 1987-10-23 1988-10-10 Egalisateur adaptatif, inclus dans un récepteur d'un système de transmission de données
DE8888850337T DE3873683T2 (de) 1987-10-23 1988-10-10 Adaptiver entzerrer, der in dem empfaenger eines datenuebertragungssystems eingeschlossen ist.
CA000580907A CA1304455C (fr) 1987-10-23 1988-10-21 Egaliseur adaptatif incorpore a un recepteur de systeme de transmission de donnees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8704135A SE468920B (sv) 1987-10-23 1987-10-23 Adaptiv utjaemnare ingaaende i mottagaren foer ett datatransmissionsmedium

Publications (3)

Publication Number Publication Date
SE8704135D0 SE8704135D0 (sv) 1987-10-23
SE8704135L SE8704135L (sv) 1989-04-24
SE468920B true SE468920B (sv) 1993-04-05

Family

ID=20369988

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8704135A SE468920B (sv) 1987-10-23 1987-10-23 Adaptiv utjaemnare ingaaende i mottagaren foer ett datatransmissionsmedium

Country Status (5)

Country Link
US (1) US4912725A (fr)
EP (1) EP0313532B1 (fr)
CA (1) CA1304455C (fr)
DE (1) DE3873683T2 (fr)
SE (1) SE468920B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04259111A (ja) * 1991-02-13 1992-09-14 Oki Electric Ind Co Ltd 適応等化器
US5301187A (en) * 1993-05-25 1994-04-05 Xel Communications, Inc. System for implementing broadband audio program telephony circuits using 2B1Q technology
US5761243A (en) * 1993-09-16 1998-06-02 U.S. Philips Corporation Digital receiver with noise filter which also serves as a feedback filter providing intersymbol interference reduction
US6285709B1 (en) 1997-10-31 2001-09-04 3 Com Corporation Error filtering in a hybrid equalizer system
GB2372653A (en) * 2000-09-29 2002-08-28 Univ Bristol Adaptive filters

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1145457A (en) * 1967-12-07 1969-03-12 Int Standard Electric Corp Equaliser for time varying channels
US3792356A (en) * 1971-12-27 1974-02-12 Ibm Receiver structure for equalization of partial-response coded data
US4066348A (en) * 1975-05-16 1978-01-03 Montron Corporation Cartridge viewer
DE2621685A1 (de) * 1976-05-15 1977-12-01 Licentia Gmbh Adaptive entzerrerschaltung
US4283788A (en) * 1976-06-25 1981-08-11 Cselt - Centro Studi E Laboratori Telecomunicazioni S.P.A. Equalization system with preshaping filter
DE2703622C2 (de) * 1977-01-28 1978-12-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Adaptiver Entzerrer
IT1118625B (it) * 1979-05-11 1986-03-03 Cselt Centro Studi Lab Telecom Perfezionamenti agli equializzatori per trasmissione di segnali numeri ci
US4247940A (en) * 1979-10-15 1981-01-27 Bell Telephone Laboratories, Incorporated Equalizer for complex data signals
DE3173567D1 (de) * 1980-09-24 1986-03-06 Toshiba Kk Transversal equalizer
GB2094592B (en) * 1981-02-10 1985-01-09 Standard Telephones Cables Ltd Adaptive equaliser
US4547888A (en) * 1982-07-28 1985-10-15 Motorola, Inc. Recursive adaptive equalizer for SMSK data links

Also Published As

Publication number Publication date
EP0313532B1 (fr) 1992-08-12
SE8704135L (sv) 1989-04-24
EP0313532A1 (fr) 1989-04-26
SE8704135D0 (sv) 1987-10-23
DE3873683T2 (de) 1993-01-21
CA1304455C (fr) 1992-06-30
DE3873683D1 (de) 1992-09-17
US4912725A (en) 1990-03-27

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