Fluid, movable, and AI-enabled adaptive antenna technologies for 6G: evolution, unified taxonomy, challenges, and research directions

Meta-Fluid Antennas-Aided ISAC: A New Paradigm for Future Multi-User Wireless Networks

Movable-Element STAR-RIS for 6G Non-Terrestrial Networks: Architectures, Enabling Technologies, and Open Challenges

Non-terrestrial networks (NTNs) are emerging as a key component of 6G systems by extending ubiquitous and resilient connectivity across satellite, aerial, and terrestrial layers. However, severe propagation loss, rapidly varying geometry, Doppler, blockage, and stringent payload and energy constraints make efficient be...

Rotatable Antenna-Enabled Space-Air-Ground Integrated Networks: Opportunities and Challenges

Space-air-ground integrated networks (SAGINs) are expected to support ubiquitous three-dimensional (3D) communication and sensing services in future sixth-generation (6G) wireless networks. However, heterogeneous mobility and service requirements across the space, air, and ground segments challenge fixed-boresight or f...

A Tutorial on Movable Antenna-Enabled ISAC Systems: Fundamentals, Parameter Estimation, and Security Issues

Movable antenna (MA) technology has recently emerged as a promising paradigm for enhancing the flexibility and performance of wireless systems by allowing antennas to dynamically adjust their spatial positions within a confined region. Meanwhile, integrated sensing and communication (ISAC) has attracted significant att...

Capacity Maximization for 6DMA- and STAR-RIS-Enhanced Wireless Networks via Spatial Multiplexing and Directional Modulation

Simulation results show that the proposed method can significantly improve the sum rate of users as compared to benchmark with FPA + Optimized STAR-RIS, 6DMA + Random STAR-RIS, and FPA + Random STAR-RIS.

Movable Antennas Enabled Wireless Powered Networks: Principles and Technologies

The key advantages of MA-enabled WPNs in enhancing wireless power transfer efficiency, realizing flexible and adaptive beamforming, and improving system robustness and interference resilience are highlighted.