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Related papers: Rotatable Coupler Antenna Enhanced Wireless Networ…

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The reconfigurable coupler antenna (RCA), also called the flexible coupler antenna (FCA), is a new technique that aims to improve the performance of wireless communication networks by reconfiguring the positions and rotations of low-cost…

Information Theory · Computer Science 2026-05-29 Xiaodan Shao , Chuangye Shan , Weihua Zhuang , Xuemin Shen

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

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

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

In this paper, we propose a distributed flexible coupler antenna (FCA) array to enhance communication performance with low hardware cost. At each FCA, there is one fixed-position active antenna and multiple passive couplers that can move…

Information Theory · Computer Science 2026-04-03 Xiaodan Shao , Chuangye Shan , Weihua Zhuang , Xuemin Shen

Flexible coupler is a promising solution for enhancing wireless network capacity by moving passive couplers around a fixed-position active antenna to reshape the induced currents on passive elements. Motivated by this, this paper proposes a…

Information Theory · Computer Science 2026-02-24 Xiaodan Shao , Yixiao Zhang , Nan Cheng , Weihua Zhuang , Xuemin Shen

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

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) technology has recently drawn…

Signal Processing · Electrical Eng. & Systems 2025-10-06 Yanhua Tan , Beixiong Zheng , Yi Fang , Derrick Wing Kwan Ng , Jie Xu , 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

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

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

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

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 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

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 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

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

Passive metal reflectors for communication enhancement have appealing advantages such as ultra low cost, zero energy expenditure, maintenance-free operation, long life span, and full compatibility with legacy wireless systems. To unleash…

Information Theory · Computer Science 2025-03-06 Haiquan Lu , Zhi Yu , Yong Zeng , Shaodan Ma , Shi Jin , Rui Zhang

Rotatable antenna (RA) enhances wireless coverage through directional gain steering, yet suffers from performance degradation under physical blockages. Intelligent reflecting surface (IRS) establishes reflective paths to bypass obstacles,…

Information Theory · Computer Science 2026-01-19 Guoying Zhang , Qingqing Wu , Ziyuan Zheng , Qiaoyan Peng , Yanze Zhu , Wen Chen , Penghui Huang
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