A new decoding algorithm in MIMO-ZP-OFDM systems

Authors:
Rui Kang;ChaoXiong Xu;Hao Chen;HongBo Xu
Affiliations:
Department of Electronics and Information, Huazhong Normal University, Wuhan, China;Department of Electronics and Information, Huazhong Normal University, Wuhan, China;Department of Electronics and Information, Huazhong Normal University, Wuhan, China;Department of Electronics and Information, Huazhong Normal University, Wuhan, China
Venue:
ICDHM'07 Proceedings of the 1st international conference on Digital human modeling
Year:
2007

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Abstract

In order to adapt for a high-rate transmission and improve the performance of operation, in this paper, a new low complex sphere decoding (SD) algorithm is proposed in the MIMO-ZP-OFDM systems. It is an approximate optimization algorithm and can be used in the space-time coding and uncoded multiple-antenna systems. ML sequence detection compared with SD algorithm the latter can reduce the complex and keep the performance of systems, especial for high-rate transmission operation and the occasion of transmit antenna beyond receive antenna. Simulation results show that the efficiency and superiority of this algorithm.