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Computer Science > Information Theory

arXiv:cs/0703142 (cs)
[Submitted on 28 Mar 2007]

Title:Pragmatic Space-Time Trellis Codes for Block Fading Channels

Authors:Marco Chiani, Andrea Conti, Velio Tralli
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Abstract: A pragmatic approach for the construction of space-time codes over block fading channels is investigated. The approach consists in using common convolutional encoders and Viterbi decoders with suitable generators and rates, thus greatly simplifying the implementation of space-time codes. For the design of pragmatic space-time codes a methodology is proposed and applied, based on the extension of the concept of generalized transfer function for convolutional codes over block fading channels. Our search algorithm produces the convolutional encoder generators of pragmatic space-time codes for various number of states, number of antennas and fading rate. Finally it is shown that, for the investigated cases, the performance of pragmatic space-time codes is better than that of previously known space-time codes, confirming that they are a valuable choice in terms of both implementation complexity and performance.
Subjects: Information Theory (cs.IT)
Cite as: arXiv:cs/0703142 [cs.IT]
  (or arXiv:cs/0703142v1 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.cs/0703142

Submission history

From: Andrea Conti [view email]
[v1] Wed, 28 Mar 2007 13:50:00 UTC (1,023 KB)
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