Advanced QRD-M Detection with Iterative Scheme in the MIMO-OFDM System

Hwan-Jun CHOI  Hyoung-Kyu SONG  

IEICE TRANSACTIONS on Information and Systems   Vol.E97-D   No.2   pp.340-343
Publication Date: 2014/02/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.E97.D.340
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Information Network
MIMO-OFDM,  V-BLAST,  QR-decomposition,  QRD-M,  Iterative detection,  

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In this letter, advanced QRD-M detection using iterative scheme is proposed. This scheme has a higher diversity degree than conventional QRD-M detection. According to the simulation results, the performance of proposed QRD-M detection is 0.5dB to 5.5dB better than the performance of conventional QRD-M detection and average iteration time is approximately 1 in the value of M = 1, 2, 3. Therefore, the proposed QRD-M detection has better performance than conventional QRD-M detection, particularly in a high SNR environment and low modulation order.