Computer Science > Information Theory
[Submitted on 4 Jun 2023
(v1)
, last revised 24 Mar 2024 (this version, v2)]
Title: Movable Antennas for Wireless Communication: Opportunities and Challenges
Title: 无线通信中的可移动天线：机遇与挑战
Abstract: Movable antenna (MA) technology is a recent development that fully exploits the wireless channel spatial variation in a confined region by enabling local movement of the antenna. Specifically, the positions of antennas at the transmitter and/or receiver can be dynamically changed to obtain better channel conditions for improving the communication performance. In this article, we first provide an overview of the promising applications for MA-aided wireless communication. Then, we present the hardware architecture and channel characterization for MA systems, based on which the variation of the channel gain with respect to the MA's position is illustrated. Furthermore, we analyze the performance advantages of MAs over conventional fixed-position antennas, in terms of signal power improvement, interference mitigation, flexible beamforming, and spatial multiplexing. Finally, we discuss the main design challenges and their potential solutions for MA-aided communication systems.
Submission history
From: Lipeng Zhu [view email][v1] Sun, 4 Jun 2023 11:24:07 UTC (10,036 KB)
[v2] Sun, 24 Mar 2024 06:20:30 UTC (10,145 KB)
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