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On Improved DCT Based Channel Estimation with Very Low Complexity for MIMO-OFDM Systems

机译:MIMO-OFDM系统中基于改进的基于DCT的非常低复杂度的信道估计

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摘要

This paper deals with a novel transform domain channel estimation (TD-CE) based on discrete cosine transform (DCT) for the MIMO-OFDM system. After the description of the conventional DCT based method, a channel estimation scheme improved in terms of both performance and complexity using small DCT blocks is proposed. Finally the efficiency of this estimator is evaluated within IEEE802.11n and 3GPP/LTE system contexts.
机译:本文针对MIMO-OFDM系统提出了一种基于离散余弦变换(DCT)的新型变换域信道估计(TD-CE)。在描述了传统的基于DCT的方法之后,提出了使用小DCT块在性能和复杂度方面都得到改进的信道估计方案。最终,在IEEE802.11n和3GPP / LTE系统环境中评估该估计器的效率。

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