A joint channel and channel length estimation algorithm for MIMO-OFDM

J. Siew, J. Coon, A. Nix, Michael Beach, S. Armour, J. McGeehan
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引用次数: 3

Abstract

The recent interest in coherently detected MIMO-OFDM systems has fueled research efforts on various channel estimation methods. Few, however, have addressed the practical problem of estimating the instantaneous channel length. This necessary but often overlooked component of channel estimation is crucial to accurate channel estimates in many OFDM channel estimation techniques. In this paper we propose a method for jointly estimating the channel and instantaneous channel length. We describe the algorithm in detail, provide a mathematical framework, and show simulated results, both in terms of the estimation accuracy and the impact it has on a system's packet error rate (PER) performance.
一种MIMO-OFDM联合信道和信道长度估计算法
近年来对相干检测MIMO-OFDM系统的兴趣推动了各种信道估计方法的研究。然而,很少有人解决估计瞬时信道长度的实际问题。在许多OFDM信道估计技术中,这个必要但经常被忽视的信道估计组件对准确的信道估计至关重要。本文提出了一种联合估计信道和瞬时信道长度的方法。我们详细描述了该算法,提供了一个数学框架,并展示了模拟结果,包括估计精度及其对系统数据包错误率(PER)性能的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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