Title :
Semi-definite relaxation decoder for 256-QAM MIMO system
Author :
Shao, Z.Y. ; Cheung, S.W. ; Yuk, T.I.
Author_Institution :
Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong, China
Abstract :
A semi-definite relaxation decoder is proposed for a multiple-input multiple-output (MIMO) system based on 256-QAM constellation. Simulation results indicate that it is computationally efficient and can provide better block-error-rate performance than a sub-optimal decoder.
Keywords :
MIMO communication; decoding; quadrature amplitude modulation; 256-QAM MIMO system; block-error-rate performance; multiple-input multiple-output system; semi-definite relaxation decoder; sub-optimal decoder;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2010.1149
