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Erschienen in: Wireless Personal Communications 1/2014

01.11.2014

Lattice Sphere Decoding for Data Transmission Systems with Special Channel Matrices

verfasst von: Mahmoud A. M. Albreem, Mohd Fadzli Mohd Salleh

Erschienen in: Wireless Personal Communications | Ausgabe 1/2014

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Abstract

This paper presents the effects of condition number (\(\tau \)) in communication system performance. It has been shown that a small condition number (\(\tau \)) results a better performance. The proposed scheme is using special kind of matrices with Lattice Sphere Decoding (LSD) technique for Block Data Transmission Systems (BDTS). Hankel and Toeplitz matrices are used separately as a channel matrix (H) while circulant matrix is used in the previous works. The proposed scheme reduced the condition number (\(\tau \)) and, therefore, improve the system performance. As a result; LSD-based BDTS with Toeplitz/Hankel matrix outperforms the LSD-based BDTS with circulant matrix. Complexity analysis is also done which based on lattice dimension and initial radius selection.

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Metadaten
Titel
Lattice Sphere Decoding for Data Transmission Systems with Special Channel Matrices
verfasst von
Mahmoud A. M. Albreem
Mohd Fadzli Mohd Salleh
Publikationsdatum
01.11.2014
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 1/2014
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-014-1855-3

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