Hardware Implementation and Simulations of Joint Coding and Modulation Diversity MIMO-OFDM Scheme  

作　　者：Xiang Gao Zhan-Ji Wu Long-Fei Hua Jun-Peng Liu 

机构地区：[1]School of Information and Communication Engineering,Beijing University of Posts and Telecommunications

出　　处：《Journal of Harbin Institute of Technology(New Series)》2013年第3期27-34,共8页哈尔滨工业大学学报（英文版）

基　　金：Sponsored by the National Natural Science Fund (Grant No. 61171101);the National Great Science Specific Project (Grant No. 2009ZX03003-011-03);the R&S-BUPT Graduate Innovation Fund

摘　　要：This paper presents an efficient Joint Coding and Modulation Diversity ( JCMD ) scheme. The proposed scheme applied modulation diversity technique to MIMO-OFDM system which can effectively use time, frequency and space diversity combined with channel coding. In fading channel,the proposed scheme not only achieves high spectral efficiency,but also greatly enhances the reliability of wireless transmission. The self- developed hardware prototype system proves that the proposed scheme can be realized and has high reliability. Compared with traditional MIMO-OFDM scheme based on bit-interleaved coded modulation ( BICM) ,software and hardware simulation results show that the proposed scheme with the optimal rotational angle can obtain a significant performance advantage both for precoded and non-precoded system in the condition of non-perfect channel knowledge and non-ideal synchronization.This paper presents an efficient Joint Coding and Modulation Diversity （ JCMD ） scheme. The proposed scheme applied modulation diversity technique to MIMO-OFDM system which can effectively use time, frequency and space diversity combined with channel coding. In fading channel,the proposed scheme not only achieves high spectral efficiency,but also greatly enhances the reliability of wireless transmission. The self- developed hardware prototype system proves that the proposed scheme can be realized and has high reliability. Compared with traditional MIMO-OFDM scheme based on bit-interleaved coded modulation （ BICM） ,software and hardware simulation results show that the proposed scheme with the optimal rotational angle can obtain a significant performance advantage both for precoded and non-precoded system in the condition of non-perfect channel knowledge and non-ideal synchronization.

关 键 词：multiple input multiple output ( MIMO) orthogonal frequency division multiplexing ( OFDM) modulation diversity channel estimation 

分 类 号：TN929.531[电子电信—通信与信息系统]