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中文摘要：
提出了一种基于迹正交（Trace-Orthogonal）的适合于多用户MIMO传输系统的全分集空时编码（Space-Time Coding）方案.通过引入该码型,可以使得多用户MIMO传输系统可以获得满分集增益,以保证在高信噪比下有较好的误比特性能.并且可以通过改变码型的构造矩阵,来改变用户信息的传输速率.而MMSE检测算法对于该码型仍然适用,与ML检测相比,译码时复杂度大大降低.
英文摘要：
A trace-orthogonal space-time coding with full diversity and suitable for multi-user MIMO transmission system is proposed. Through the introduction of this coding,it can make the system achieve full diversity which could ensure better BER when the signal to noise rate is higher. By changing the structure of the encoding matrices,the transmission rate of the users could be changed together. The MMSE decoder can be used in the system with low complexity compared with ML decoder.
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