4 papers
Flexible MIMO for Future Wireless Communications: Which Flexibilities are Possible?
Zhe Wang, Jiayi Zhang, Bokai Xu +3
In conventional multiple-input multiple-output (MIMO), static array configurations struggle in dynamic environments, and further antenna scaling is bounded by cost, energy, and foo…
ROMA: ROtary and Movable Antenna
Jiayi Zhang, Wenhui Yi, Bokai Xu +3
The rotary and movable antenna (ROMA) architecture represents a next-generation multi-antenna technology that enables flexible adjustment of antenna position and array rotation ang…
Analytical Framework for Effective Degrees of Freedom in Near-Field XL-MIMO
Zhe Wang, Jiayi Zhang, Wenhui Yi +5
Extremely large-scale multiple-input-multiple-output (XL-MIMO) is an emerging transceiver technology for enabling next-generation communication systems, due to its potential for su…
Performance Analysis of XL-MIMO with Rotary and Movable Antennas for High-speed Railway
Wenhui Yi, Jiayi Zhang, Zhe Wang +2
The rotary and movable antennas (ROMA) technology is efficient in enhancing wireless network capacity by adjusting both the antenna spacing and three-dimensional (3D) rotation of a…