Search Results for author: Ruizhe Long

Found 2 papers, 0 papers with code

Movable Antennas Aided Multicast MISO Communication Systems

no code implementations12 May 2024 Zhenqiao Cheng, Nanxi Li, Ruizhe Long, Jianchi Zhu, Chongjun Ouyang, Peng Chen

A novel multicast communication system with movable antennas (MAs) is proposed, where the antenna position optimization is exploited to enhance the transmission rate.

Channel Estimation and Training Design for Active RIS Aided Wireless Communications

no code implementations6 Nov 2023 Hao Chen, Nanxi Li, Ruizhe Long, Ying-Chang Liang

To address this issue, we further investigate this ARIS-specific channel estimation problem and propose a least-square (LS) based channel estimator, whose performance can be further improved with the design on ARIS reflection patterns at the channel training phase.

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