IEEE Wireless Communications· 2025Q1
Fluid Antenna Systems Enabling 6G: Principles, Applications, and Research Directions
- 97citations
- Q1SCImago
- 2025year
Short summary
Fluid antenna systems (FAS), which dynamically alter antenna shape and position via software-controlled fluidic structures, offer significant performance improvements over fixed antennas and are poised to be crucial for 6G wireless networks.
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Key points
- Fluid antenna systems (FAS) use software-controlled fluidic structures to dynamically change antenna shape and position.
- FAS can modify antenna parameters such as gain, radiation pattern, and operating frequency.
- Case studies demonstrate significant performance improvements of FAS over traditional fixed-position antennas.
- The article provides the first comprehensive classification framework for FAS technologies.
- FAS is anticipated to play a significant role in the development of 6G wireless networks.
AI-generated from the title and abstract; the full text is not read.
Abstract
Fluid antenna system (FAS), a novel advancement in reconfigurable antenna technologies, offers unprecedented shape and position flexibility. This innovative approach is emerging as an exciting and potentially transformative technology for wireless communication systems. FAS encompasses any software-controlled fluidic, conductive, or dielectric structure capable of dynamically altering an antenna’s shape and position to modify critical parameters such as gain, radiation pattern, operating frequency, and other key characteristics. Given its unique capabilities, FAS is highly anticipated to play a significant role in shaping the upcoming sixth-generation (6G) wireless networks. This article presents the first comprehensive classification framework for FAS technologies, systematically analyzing cutting-edge developments and demonstrating significant performance improvements over traditional fixed-position antennas through detailed case studies. Specifically, this article explores these contributions by addressing four major questions: 1) Is FAS crucial to 6G? 2) How can FAS be characterized? 3) What are the applications of FAS? 4) What challenges and future research directions are associated with FAS? In particular, five promising research directions that highlight FAS’s potential are examined. Finally, we conclude by demonstrating the impressive performance of FAS, reinforcing its relevance and promise in future networks.
The authors' abstract, as published at the source. IEEE Wireless Communications, 2025 · DOI ↗
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Field: Aerospace Engineering
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