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Trellis coding in a discrete multitone modulation system
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå tekniska universitet.
1996 (English)In: Proceedings of the 1996 SNRV and NUTEK Conference on Radio Sciences and Telecommunications in Luleå and Kiruna June 3-6, 1996: RVK 96 / [ed] Lars H. Zetterberg, Luleå: Luleå tekniska universitet, 1996, 668-672 p.Conference paper, Published paper (Refereed)
Abstract [en]

Discrete Multitone (DMT) modulation is a multicarrier technique which makes efficient use of the channel, maximizing the throughput by sending different numbers of bits on different subchannels. The number of bits on each subchannel depends on the Signal-to-Noise Ratio of the subchannel. The performance of a DMT system can be further increased by using powerful coding techniques. This paper investigates an implementation of trellis coded modulation in a DMT system intended for transmission over short copper cables, less than 1000m. We suggested trellis code is Wei's 4-dimensional 16-state coder combined with trellis shaping. A single encoder is used which codes across the tones of each DMT-symbol. At a bit error probability of 10-7, the suggested code gains 4-5 dB over uncoded transmission.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 1996. 668-672 p.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-29784Local ID: 35ffd5b0-dfd1-11dc-9e29-000ea68e967bISBN: 91-630-4455-2 (print)OAI: oai:DiVA.org:ltu-29784DiVA: diva2:1003010
Conference
SNRV and NUTEK Conference on Radio Sciences and Telecommunications : 03/06/1996 - 06/06/1996
Note
Godkänd; 1996; 20080220 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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Signal Processing

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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