GB1199845A - Time-Domain Equalisation Apparatus - Google Patents

Time-Domain Equalisation Apparatus

Info

Publication number
GB1199845A
GB1199845A GB2667868A GB2667868A GB1199845A GB 1199845 A GB1199845 A GB 1199845A GB 2667868 A GB2667868 A GB 2667868A GB 2667868 A GB2667868 A GB 2667868A GB 1199845 A GB1199845 A GB 1199845A
Authority
GB
United Kingdom
Prior art keywords
line
june
transmitted
value
transversal
Prior art date
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
GB2667868A
Inventor
Etienne Gorog
Jean-Marc Pierret
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.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1199845A publication Critical patent/GB1199845A/en
Expired legal-status Critical Current

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
    • H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03133—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

1,199,845. Transversal equalizers. INTERNATIONAL BUSINESS MACHINES CORP. 5 June, 1968 [14 June, 1967], No. 26678/68. Heading H4R. In a transversal equalizer for use in a system e.g. of Specification 1,154,648 or Specification 1,076,557, in which digital data is transmitted in a code whose frequency spectrum matches the channel pass-band, and in which data bits are transmitted as interleaved groups of pulses, e.g. a data bit of one value being represented as shown in full line in Fig. 1a (1) and the data bit of the other value being as shown dotted in that Figure, so that detection of the two states requires multiple samples at different instants, the transversal equalizer is provided with two combining networks 31 and 32 in Fig. 3, both connected at points along the same tapped delay line 30, the points at which each combining network is connected being selected to provide equalization for a respective one of the pulse signal states. A simplification of the line can be achieved, Fig. 4 (not shown), by taking the main pulse for each state from a different tapping on the line.
GB2667868A 1967-06-14 1968-06-05 Time-Domain Equalisation Apparatus Expired GB1199845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6008570 1967-06-14

Publications (1)

Publication Number Publication Date
GB1199845A true GB1199845A (en) 1970-07-22

Family

ID=8970599

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2667868A Expired GB1199845A (en) 1967-06-14 1968-06-05 Time-Domain Equalisation Apparatus

Country Status (2)

Country Link
DE (1) DE1762413A1 (en)
GB (1) GB1199845A (en)

Also Published As

Publication number Publication date
DE1762413A1 (en) 1970-04-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee