OvCDM的串行连接方案

2011 Global Mobile Congress Pub Date : 2011-10-17 DOI:10.1109/GMC.2011.6103933

Chun Yang, Wang Jian, Dao-ben Li

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引用次数: 0

摘要

提出了一种用于重叠码分复用(OvCDM)系统的串行级联方案，其特点是将一个或多个OvCDM码作为串行级联OvCDM中的分量码，构成具有更高频谱效率的重叠码分复用码。串行级联OvCDM采用基于LOG-MAP算法的软输入软输出(SISO)迭代解码算法。仿真结果表明，串联OvCDM的性能比未串联OvCDM更接近香农极限。

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A serial concatenated scheme for OvCDM

A serial concatenated scheme for Overlapped Code Division Multiplexing (OvCDM) system is proposed, characterized in that one or more OvCDM codes are as component codes in serial concatenated OvCDM to make up such a concatenated code with higher spectrum efficiency. The serial concatenated OvCDM uses iterative decoding algorithm based on LOG-MAP Algorithm with soft input soft ouput (SISO). As the simulation results show, the performance of serial concatenated OvCDM is closer to the Shannon limit than that of un-concatenated OvCDM.

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2011 Global Mobile Congress

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