Iteratively suboptimum decoder design for distributed space-time coding based on distributed interleavers

Authors:
Yier Yan;Xueqin Jiang;Moon Ho Lee
Affiliations:
Dept. Electrical and Computer Engineering, Chonbuk National University;Dept. Electrical and Computer Engineering, Chonbuk National University;Dept. Electrical and Computer Engineering, Chonbuk National University
Venue:
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Year:
2009

Citing 7
Cited 0

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Abstract

In [1], the authors have presented a detailed analysis on the problem of distributed space-time coding employing Amplify-and-Forward (AF) protocol for a synchronized wireless relay networks, where maximum likelihood (ML) decoding is employed. In this paper, an iterative turbo-like decoder is introduced to improve system performance by allocating interleavers at each relay node and using multiuser concept. Due to different overall channel gains consisting source-relay link and relay-destination link, ordering and canceling techniques of interferences are considered in our design. Simulation results show an accepted improvement in the high SNR region.