移动通信下行链路中的非线性预处理技术

Nonlinear Pre-processe Technology in Wireless Communication Downlink

首先介绍了经典的汤姆林森预编码技术,然后分别介绍了在其基础上发展起来的两种预处理技术——网格预编码和传输非线性迫零,并分析了其特点,指出非线性的预处理技术是性能和复杂度的折中,是很具潜力的一种下行链路技术。最后文中给出了一种新的预处理技术,同样具有较好的性能。

This paper first introduces the classic Tomlinson-Harashima Precoding（THP）, then makes analysis respectively on the trellis preceding and nonlinear transmit zero-forcing based on TttP, including their features, and point out that the nonlinear pre-processing technology is the tradeoff of performance and complexity and has potentialities for the downlinks. Finally a new pre-processing technology is proposed, which also has good performance.