CA1066785A - Method and apparatus for fast determination of initial transversal equalizer coefficient values - Google Patents

Method and apparatus for fast determination of initial transversal equalizer coefficient values

Info

Publication number: CA1066785A
Authority: CA; Canada
Prior art keywords: sequence; elements; coefficients; coefficient; equalizer
Prior art date: 1975-07-10
Legal status (The legal status 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 status listed.): Expired

Application number

CA256,689A

Other languages

English (en)

French (fr)

Inventor

Andrzej Milewski

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

International Business Machines Corp

Original Assignee

International Business Machines Corp

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.)

1975-07-10

Filing date

1976-07-09

Publication date

1979-11-20

1976-07-09 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1979-11-20 Application granted granted Critical

1979-11-20 Publication of CA1066785A publication Critical patent/CA1066785A/en

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 35
230000005540 biological transmission Effects 0.000 claims abstract description 46
239000011159 matrix material Substances 0.000 claims abstract description 24
230000004044 response Effects 0.000 claims abstract description 18
230000000737 periodic effect Effects 0.000 claims abstract description 12
230000001360 synchronised effect Effects 0.000 claims abstract description 5
238000005311 autocorrelation function Methods 0.000 claims abstract 4
239000013598 vector Substances 0.000 claims description 13
230000000694 effects Effects 0.000 claims description 3
230000000875 corresponding effect Effects 0.000 claims 2
238000005065 mining Methods 0.000 claims 1
230000001702 transmitter Effects 0.000 claims 1
238000004364 calculation method Methods 0.000 abstract description 4
230000014509 gene expression Effects 0.000 description 7
238000010586 diagram Methods 0.000 description 5
238000004891 communication Methods 0.000 description 4
238000005070 sampling Methods 0.000 description 4
230000003044 adaptive effect Effects 0.000 description 2
230000006870 function Effects 0.000 description 2
230000008569 process Effects 0.000 description 2
101150047030 ERO1 gene Proteins 0.000 description 1
230000009471 action Effects 0.000 description 1
NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000003993 interaction Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1

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
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure

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)

CA256,689A 1975-07-10 1976-07-09 Method and apparatus for fast determination of initial transversal equalizer coefficient values Expired CA1066785A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7522452A FR2423929A1 (fr)	1975-07-10	1975-07-10	Procede et dispositif pour determiner rapidement les valeurs initiales des coefficients d'un egaliseur transversal

Publications (1)

Publication Number	Publication Date
CA1066785A true CA1066785A (en)	1979-11-20

Family

ID=9158051

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA256,689A Expired CA1066785A (en)	1975-07-10	1976-07-09	Method and apparatus for fast determination of initial transversal equalizer coefficient values

Country Status (5)

Country	Link
CA (1)	CA1066785A (it)
DE (1)	DE2626192C2 (it)
FR (1)	FR2423929A1 (it)
GB (1)	GB1503083A (it)
IT (1)	IT1075005B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2337465A1 (fr) *	1975-12-30	1977-07-29	Ibm France	Procede et dispositif pour determiner les valeurs initiales des coefficients d'un egaliseur transversal complexe
US4539689A (en) *	1978-04-26	1985-09-03	Racal Data Communications, Inc.	Fast learn digital adaptive equalizer
GB2128456A (en) *	1982-10-01	1984-04-26	Standard Telephones Cables Ltd	Improvements in or relating to data transmission and receiving systems
EP0948171B1 (en) *	1998-04-03	2004-12-29	Lucent Technologies Inc.	Adaptive equaliser using known and pseudo-known symbols

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3715666A (en) *	1971-03-30	1973-02-06	Bell Telephone Labor Inc	Fast start-up system for transversal equalizers

1975
- 1975-07-10 FR FR7522452A patent/FR2423929A1/fr active Granted
1976
- 1976-06-10 GB GB2414176A patent/GB1503083A/en not_active Expired
- 1976-06-11 DE DE19762626192 patent/DE2626192C2/de not_active Expired
- 1976-06-16 IT IT2436776A patent/IT1075005B/it active
- 1976-07-09 CA CA256,689A patent/CA1066785A/en not_active Expired

Also Published As

Publication number	Publication date
DE2626192C2 (de)	1985-05-02
IT1075005B (it)	1985-04-22
FR2423929B1 (it)	1982-04-09
DE2626192A1 (de)	1977-01-20
FR2423929A1 (fr)	1979-11-16
GB1503083A (en)	1978-03-08

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