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Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. In this paper, we propose a new rotatable antenna (RA) model to…

Information Theory · Computer Science 2026-03-31 Beixiong Zheng , Qingjie Wu , Tiantian Ma , Rui Zhang

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) is an emerging technology that…

Information Theory · Computer Science 2025-09-05 Beixiong Zheng , Tiantian Ma , Changsheng You , Jie Tang , Robert Schober , Rui Zhang

Rotatable antenna (RA) provides additional spatial degrees of freedom (DoFs) for communication systems by enabling per-antenna dynamic boresight adjustment, which is attractive for fairness-oriented multicast transmission. This letter…

Information Theory · Computer Science 2026-03-30 Weihua Zhu , Beixiong Zheng , Lipeng Zhu , Jie Tang , Yong Zeng

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) has emerged as a promising…

Rotatable antenna (RA) is an emerging technology that has great potential to exploit additional spatial degrees of freedom (DoFs) by flexibly altering the three-dimensional (3D) orientation/boresight of each antenna. In this demonstration,…

Systems and Control · Electrical Eng. & Systems 2025-03-25 Liang Dai , Beixiong Zheng , Yanhua Tan , Lipeng Zhu , Fangjiong Chen , Rui Zhang

Unlike conventional fixed-antenna architectures, rotatable antenna (RA) has shown great potential in enhancing wireless communication performance by exploiting additional spatial degrees of freedom (DoFs) in a cost-effective manner. In this…

Systems and Control · Electrical Eng. & Systems 2026-03-13 Qi Dai , Beixiong Zheng , Yanhua Tan , Weidong Mei , Shiqi Gong , Jie Tang , Chengwen Xing

Fluid antenna system (FAS)/movable antenna (MA) has emerged as a promising technology to fully exploit the spatial degrees of freedom (DoFs). In this paper, we propose a new rotatable antenna (RA) model, as a simplified implementation of…

Information Theory · Computer Science 2025-02-28 Qingjie Wu , Beixiong Zheng , Tiantian Ma , Rui Zhang

Conventional antenna arrays rely primarily on digital beamforming for spatial control. While adding more elements can narrow beamwidth and suppress interference, such scaling incurs prohibitive hardware and power costs. Rotatable antennas…

Signal Processing · Electrical Eng. & Systems 2025-09-29 Xingxiang Peng , Qingqing Wu , Ziyuan Zheng , Wen Chen , Yanze Zhu , Ying Gao

Rotatable antenna (RA) is a promising technology that can exploit new spatial degrees-of-freedom (DoFs) by flexibly adjusting the three-dimensional (3D) boresight direction of antennas. In this letter, we investigate an RA-enhanced…

Information Theory · Computer Science 2025-12-16 Kecheng Pan , Beixiong Zheng , Yanhua Tan , Emil Björnson , Robert Schober , Rui Zhang

Reconfigurable antennas (RAs) have emerged as a promising technology for future wireless networks, offering additional flexibility for wireless communications. Among existing designs, rotatable antennas are particularly effective in…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Chao Zhang , Hu Zhou , Ruizhe Long , Ying-Chang Liang , Boon-Hee Soong

Fluid antennas (FAs) and movable antennas (MAs) have drawn increasing attention in wireless communications recently due to their ability to create favorable channel conditions via local antenna movement within a confined region. In this…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Xin Wei , Weidong Mei , Dong Wang , Boyu Ning , Zhi Chen

In this paper, we propose to leverage rotatable antennas (RAs) for improving the communication performance in mixed near-field and far-field communication systems by exploiting a new spatial degree-of-freedom (DoF) offered by antenna…

Signal Processing · Electrical Eng. & Systems 2025-11-26 Yunpu Zhang , Changsheng You , Hing Cheung So , Dusit Niyato , Yonina C. Eldar

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) is a promising antenna…

Information Theory · Computer Science 2025-07-01 Xue Xiong , Beixiong Zheng , Wen Wu , Xiaodan Shao , Liang Dai , Ming-Min Zhao , Jie Tang

Rotatable antenna (RA) is a promising technology that exploits new spatial degree-of-freedom (DoF) to improve wireless communication and sensing performance. In this letter, we investigate an RA-enabled secure communication system where…

Signal Processing · Electrical Eng. & Systems 2025-05-01 Liang Dai , Beixiong Zheng , Qingjie Wu , Changsheng You , Robert Schober , Rui Zhang

In this letter, we propose to deploy rotatable antennas (RAs) at the base station (BS) to enhance both communication and sensing (C&S) performances, by exploiting a new spatial degree-of-freedom (DoF) offered by array rotation.…

Signal Processing · Electrical Eng. & Systems 2025-03-14 Chao Zhou , Changsheng You , Beixiong Zheng , Xiaodan Shao , Rui Zhang

Rotatable antenna (RA) represents a novel antenna architecture that enhances wireless communication system performance by independently or collectively adjusting each antenna's boresight/orientation. In this demonstration, we develop a…

Systems and Control · Electrical Eng. & Systems 2025-04-18 Qi Dai , Beixiong Zheng , Qiyao Wang , Xue Xiong , Xiaodan Shao , Lipeng Zhu , Rui Zhang

In the evolving landscape of mobile edge computing (MEC), enhancing communication reliability and computation efficiency to support increasingly stringent low-latency services remains a fundamental challenge. Rotatable antenna (RA) is a…

Information Theory · Computer Science 2026-03-19 Qiyao Wang , Beixiong Zheng , Xue Xiong , Weidong Mei , Changsheng You , Qingqing Wu , Jie Tang

Rotatable antenna (RA) technology can harness additional spatial degrees of freedom by enabling the dynamic three-dimensional orientation control of each antenna. Unfortunately, the hardware cost and control complexity of traditional RA…

Information Theory · Computer Science 2026-01-09 Ailing Zheng , Qingqing Wu , Ziyuan Zheng , Qiaoyan Peng , Yanze Zhu , Honghao Wang , Wen Chen , Guoying Zhang

A pinching antenna system (PASS) assisted cognitive radio (CR) system is proposed. A secondary system sum rate maximization problem is formulated by jointly considering the base station (BS) power budget, the pinching antenna (PA)…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Haochen Li , Ruikang Zhong , Zhaoming Hu , Zheng Zhang , Yaoyue Hu , Chao Dong

Flexible coupler antenna systems have recently received significant research interest due to their capability to intelligently reconfigure wireless channels by controlling coupler positions and/or rotations and dynamically exploiting mutual…

Information Theory · Computer Science 2026-05-21 Xiaodan Shao , Chuangye Shan , Weihua Zhuang , Xuemin Shen
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