FBMC和OFDM中基于导频符号的信道估计和容量评估

2017 International Artificial Intelligence and Data Processing Symposium (IDAP) Pub Date : 2017-09-01 DOI:10.1109/IDAP.2017.8090195

Bircan Kamislioglu, Ayhan Akbal

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引用次数: 0

摘要

提出了滤波器组多载波(FBMC)中导频符号辅助信道估计的方法。FBMC由于具有良好的频谱特性，在通信领域得到了广泛的应用。与正交频分复用不同，FBMC结构避免了虚干扰。采用辅助符号，降低峰值功率比，提高可达容量。比较了OFDM和FBMC利用导频符号进行信道估计的可行性。通过干扰抵消，提高了线性预编码的可实现容量。利用两个或三个辅助导频符号代替一个辅助导频符号，并通过信噪比(SNR)对可实现的容量进行了比较。讨论了OFDM和FBMC的编码和辅助符号的容量，并在Matlab中实现了数值结果。

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Pilot symbol based channel estimation and capacity evaluation in FBMC and OFDM

This paper presents pilot symbol aided channel estimation in Filter Bank Multicarrier (FBMC). FBMC has been employed widespread in communication applications because of its good spectral behaviors. Unlike Orthogonal Frequency Division Multiplexing, FBMC structure avoids imaginary interference. So that auxiliary symbols are employed and decrease peak to power ratio and improve achievable capacity. OFDM and FBMC are compared about achievable of channel estimation with pilot symbols. The achievable capacity is increased with linear precoding by interference cancellation. Using two or three auxiliary pilot symbols instead of one is purposed and achievable capacity via Signal to Noise Ratio (SNR) is compared. OFDM and FBMC with coding and auxiliary symbols are discussed about capacity and numerical results are realized in Matlab.

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2017 International Artificial Intelligence and Data Processing Symposium (IDAP)

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