...词：正交频分复用；循环前缀；调制矩阵；预编码；带宽效率 [gap=1045]Key words：OFDM；cyclic prefix(CP)；modulation matrix；preeoding；bandwidth eficiency ...
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In this paper,we give the construction of modulation matrix. On this basis,memory characteristics and symbols feedback were introduced,and then TDP(time-domain precoder) precoding module was designed.
给出了发送调制矩阵的构造方法,并在此基础上引入了记忆特性和符号反馈,设计了TDP预编码模块。
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