Hardware Implementation and Simulations of Joint Coding and Modulation Diversity MIMO-OFDM Scheme
Xiang Gao, Zhan-Ji Wu, Long-Fei Hua, Jun-Peng Liu
(School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 10086, China)
Abstract:
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.
Key words: multiple input multiple output (MIMO) orthogonal frequency division multiplexing (OFDM) modulation diversity channel estimation
DOI：10.11916/j.issn.1005-9113.2013.03.005
Clc Number:TN929.531
Fund:
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Hardware Implementation and Simulations of Joint Coding and Modulation Diversity MIMO-OFDM Scheme
本站小编 哈尔滨工业大学/2019-10-24
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