Open Access

An Efficient Differential MIMO-OFDM Scheme with Coordinate Interleaving

EURASIP Journal on Wireless Communications and Networking20072008:734258

DOI: 10.1155/2008/734258

Received: 1 May 2007

Accepted: 17 November 2007

Published: 21 November 2007

Abstract

We propose a concatenated trellis code (TC) and coordinate interleaved differential space-time block code (STBC) for OFDM. The coordinate interleaver, provides signal space diversity and improves the codeword error rate (CER) performance of the system in wideband channels. Coordinate interleaved differential space-time block codes are proposed and used in the concatenated scheme, TC design criteria are derived, and the CER performances of the proposed system are compared with existing concatenated TC and differential STBC. The comparison showed that the proposed scheme has superior diversity gain and improved CER performance.

Publisher note

To access the full article, please see PDF

Authors’ Affiliations

(1)
Department of Electronics and Communications, Faculty of Electrical and Electronics Engineering, Istanbul Technical University

Copyright

© K. Aksoy and Ü. Aygölü. 2008

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.