通用滤波多载波(UFMC)系统的信道估计和最优导频信号

2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) Pub Date : 2017-10-13 DOI:10.1109/PIMRC.2017.8292777

Lei Zhang, Chang He, J. Mao, A. Ijaz, P. Xiao

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引用次数: 5

摘要

提出了基于梳状导频模式的通用滤波多载波(UFMC)系统信道估计算法和导频信号优化。通过考虑最小二乘线性插值(LSLI)、离散傅立叶变换(DFT)、最小均方误差(MMSE)和松弛MMSE (RMMSE)信道估计器，在导频音调的功率约束下，通过最小化估计MSE来制定导频信号优化问题。给出了LSLI估计量、DFT估计量、MMSE估计量和RMMSE估计量的闭型最优解和最小均方差。

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Channel estimation and optimal pilot signals for universal filtered multi-carrier (UFMC) systems

We propose channel estimation algorithms and pilot signal optimization for the universal filtered multi-carrier (UFMC) system based on the comb-type pilot pattern. By considering the least square linear interpolation (LSLI), discrete Fourier transform (DFT), minimum mean square error (MMSE) and relaxed MMSE (RMMSE) channel estimators, we formulate the pilot signals optimization problem by minimizing the estimation MSE subject to the power constraint on pilot tones. The closed-form optimal solutions and minimum MSE are derived for LSLI, DFT, MMSE and RMMSE estimators.

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来源期刊

2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)

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