多载波OFDM 5G无线通信系统的信道估计技术

2020 IEEE 10th International Conference on System Engineering and Technology (ICSET) Pub Date : 2020-11-09 DOI:10.1109/ICSET51301.2020.9265353

T. Kumar, L. Anjaneyulu

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引用次数: 6

摘要

第五代(5G)通信系统应该包括大量的移动数据流量和无线连接，以提高频谱效率、服务质量(QoS)、可靠性和安全性。研究了多载波正交频分复用(OFDM) 5G无线通信系统在瑞利和瑞利信道下的信道估计技术。对基于m估计量的信道估计技术进行了研究和分析，并与经典最小二乘法和线性最小均方误差估计进行了比较。提出了一种m估计器，用于增强瑞利和瑞利衰落信道的信道估计技术。仿真结果表明，在多载波OFDM 5G无线通信系统中，该方法比LS估计和MMSE估计获得了性能提升。

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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Channel Estimation Techniques for Multicarrier OFDM 5G Wireless Communication Systems

The fifth-generation (5G) communication system is supposed to include a huge amount of mobile data traffic and number of wireless connections, for improved spectrum efficiency, quality of service (QoS), reliability, and security. This paper studies channel estimation techniques in multicarrier orthogonal frequency-division-multiplexing (OFDM) 5G wireless communication systems in Rayleigh and Rician channels. Proposed M-estimator based channel estimation technique in comparison with classical least squares (LS) and linear minimum mean-squared error (LMMSE) estimation is studied and analyzed. An M-estimator is proposed for robustification of channel estimation technique in Rayleigh and Rician fading channels. Simulation results are provided and the comparison shows the performance gains achieved by the proposed technique over LS and MMSE estimation in multicarrier OFDM 5G wireless communication systems.

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2020 IEEE 10th International Conference on System Engineering and Technology (ICSET)

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