MIMO-OFDM系统信道估计的DSP设计

Mu Xiao Ting, Z. Yu, Tao Bing, Tao Xiao Feng
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引用次数: 2

摘要

本文演示了MIMO-OFDM系统中基于最小二乘信道估计的训练序列的简化DSP实现。适当设计训练序列不仅可以简化信道估计,而且还可以获得最佳的估计性能。为了使信道估计算法能够实时工作,提出了加快运算速度、节省内存和提高精度的主要方法。统计了该方案在TMSC6416芯片上的资源占用和运行时间。而该实现适用于B3G MIMO-OFDM系统,该系统采用4个发射天线和8个接收天线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
DSP Design of Channel Estimation in MIMO-OFDM System
In this paper, the simplified DSP implementation of training sequence-based on Least Square (LS) channel estimation in MIMO-OFDM system was demonstrated. A proper design of the training sequence not only simplifies channel estimation, but also still obtains the best estimation performance. For the purpose of getting channel estimation algorithm to work in real time, some main approaches are carried out to speed up operation, saving memory and improving accuracy. Statistics on resource occupation and running time of such a scheme in TMSC6416 chip was given. While the implementation is applicable in B3G MIMO-OFDM system, which adopted 4 transmit antennas and 8 receive ones.
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