Efficient Channel Estimation for LIS-based Systems

Inês Almeida, João Guerreiro, R. Dinis
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Abstract

Large Intelligent Surface (LIS)-based wireless communication systems rely on chan-nel estimation techniques to estimate the channel state information (CSI) between the transmitter and receiver. However, channel estimation in LIS-based systems is constrained by high training costs. This paper presents an overview of performance analysis and comparison with existing optimization algorithms, demonstrating comparable performance while significantly reducing computational complexity. Nevertheless, additional research is required to optimize the performance of these techniques for different scenarios and to develop implementation strategies that address the challenges posed by scenarios with high mobility.
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基于lis系统的有效信道估计
基于大智能表面(LIS)的无线通信系统依靠信道估计技术来估计发送端和接收端之间的信道状态信息(CSI)。然而,基于lis系统的信道估计受到高训练成本的限制。本文概述了性能分析和与现有优化算法的比较,展示了相当的性能,同时显着降低了计算复杂性。然而,需要进一步的研究来优化这些技术在不同场景下的性能,并制定实施策略来解决高移动性场景带来的挑战。
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