IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Improved Max-Log-MAP BICM-IDD receiver for MIMO systems
Zhiting YanGuanghui HeXi ChenWeifeng HeZhigang Mao
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Keywords: BICM-IDD, MIMO, Max-Log-MAP
JOURNAL FREE ACCESS

2014 Volume 11 Issue 21 Pages 20140800

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Abstract

A novel bit-interleaved coded modulation with iterative detection and decoding (BICM-IDD) receiver for multiple-input and multiple-output (MIMO) systems using Max-Log-MAP algorithm is proposed. This receiver improves the detection and decoding performance by an improved turbo principle, in which pre-scaling the input information of the detector is performed at each iteration. From an information theory perspective, the proposed scheme is proved to outperform the traditional iterative architecture. Simulations results show that the proposed receiver significantly reduces the performance loss incurred by the suboptimal Max-Log-MAP detection and decoding algorithm with small additional complexity.

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© 2014 by The Institute of Electronics, Information and Communication Engineers
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