LLL Reduction Achieves the Receive Diversity in MIMO Decoding

Preprint

22 January 2006

preprint
Published by arXiv in arXiv

Abstract

Diversity order is an important measure for the performance of communication systems over MIMO fading channels. In this paper, we prove that in MIMO multiple access systems (or MIMO point-to-point systems with V-BLAST transmission), lattice-reduction-aided decoding achieves the maximum receive diversity (which is equal to the number of receive antennas). Also, we prove that the naive lattice decoding (which discards the out-of-region decoded points) achieves the maximum diversity.

Keywords

DECODING DIVERSITY
RECEIVE DIVERSITY
SYSTEMS OVER MIMO
LLL REDUCTION
AIDED

All Related Versions

Version 1, 2006-01-22, ArXiv
Version 2, 2007-06-18, ArXiv
Published version: IEEE Transactions on Information Theory, 53 (12), 4801.

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