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Related papers: Fluid Antenna-Empowered Receive Spatial Modulation

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Fluid Antenna Systems (FASs) have recently been proposed for enhancing the performance of wireless communication. Previous antenna designs to meet the requirements of FAS have been based on mechanically movable or liquid antennas and…

Signal Processing · Electrical Eng. & Systems 2024-06-17 Jichen Zhang , Junhui Rao , Zhaoyang Ming , Zan Li , Chi-Yuk Chiu , Kai-Kit Wong , Kin-Fai Tong , Ross Murch

For autonomous aerial vehicle (AAV) secure communications, traditional designs based on fixed position antenna (FPA) lack sufficient spatial degrees of freedom (DoF), which leaves the line-of-sight-dominated AAV links vulnerable to…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Yingjie Wu , Junshan Luo , Weiyu Chen , Shilian Wang , Fanggang Wang , Haiyang Ding

Enormous fluid antenna systems (E-FAS), the system concept that utilizes position reconfigurability in the large scale, have emerged as a new architectural paradigm where intelligent surfaces are repurposed from passive smart reflectors…

Information Theory · Computer Science 2026-02-12 Farshad Rostami Ghadi , Kai-Kit Wong , Masoud Kaveh , Wee Kiat New , Chan-Byoung Chae , Lajos Hanzo

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) 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

Interference and scattering, often deemed undesirable, are inevitable in wireless communications, especially when the current mobile networks and upcoming sixth generation (6G) have turned into ultra-dense networks. Current approaches…

Applied Physics · Physics 2025-02-10 Baiyang Liu , Kin-Fai Tong , Kai-Kit Wong , Chan-Byoung Chae , Hang Wong

Fluid antenna (FA) technology has recently emerged as an effective means of exploiting spatial diversity through position-domain reconfigurability. This paper investigates the integration of FA into over-the-air federated learning (OTA-FL)…

Signal Processing · Electrical Eng. & Systems 2026-05-11 Mohsen Ahmadzadeh , Saeid Pakravan , Wessam Ajib , Ming Zeng , Ghosheh Abed Hodtani , Ji Wang

This paper proposes a novel liquid intelligent metasurface (LIM)-assisted downlink multi-user multiple-input single-output (MISO) system, wherein both the base station (BS) and the metasurface are respectively equipped with fluid antennas…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Li-Hsiang Shen

Reconfigurable antennas (RAs) are a promising technology to enhance the capacity and coverage of wireless communication systems. However, RA systems have two major challenges: (i) High computational complexity of mode selection, and (ii)…

Information Theory · Computer Science 2022-11-28 Fariba Armandoust , Ehsan Tohidi , Martin Kasparick , Li Wang , Ahmet Hasim Gokceoglu , Slawomir Stanczak

This paper proposes a fluid antenna (FA)-assisted near-field integrated sensing and communications (ISAC) system enabled by the extremely large-scale simultaneously transmitting and reflecting surface (XL-STARS). By optimizing the…

Signal Processing · Electrical Eng. & Systems 2024-10-01 Jingxuan Zhou , Yinchao Yang , Zhaohui Yang , Mohammad Shikh-Bahaei

The integrated sensing and communication (ISAC) technology has been extensively researched to enhance communication rates and radar sensing capabilities. Additionally, a new technology known as fluid antenna system (FAS) has recently been…

Information Theory · Computer Science 2025-11-14 Yuqi Ye , Li You , Hao Xu , Ahmed Elzanaty , Kai-Kit Wong , Xiqi Gao

This study seeks to utilize large language models (LLMs) to forecast the moving ports of fluid antenna (FA). By repositioning the antenna to the locations identified by our proposed model, we intend to address the mobility challenges faced…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Yali Zhang , Haifan Yin , Weidong Li , Emil Bjornson , Merouane Debbah

Fluid antenna multiple access (FAMA) has recently emerged as a simple, promising scheme for large-scale multiuser connectivity, offering strong scalability with low implementation complexity. Nevertheless, most existing FAMA studies focus…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Chenguang Rao , Kai-Kit Wong , Sai Xu , Xusheng Zhu , Yangyang Zhang , Chan-Byoung Chae

Fluid antenna system (FAS) becomes a promising paradigm for next-generation wireless networks, which enables position-flexible antenna elements that can dynamically adjust to more favorable channel conditions. However, the optimization of…

Information Theory · Computer Science 2026-05-04 Wanzhe Wang , Tong Zhang , Hao Xu , Shuai Wang , Rui Wang , Kai-Kit Wong

This letter studies the impact of fluid antenna system (FAS) technology on the performance of unmanned aerial vehicle (UAV)-assisted multiuser communication networks. Specifically, we consider a scenario where a fixed-position antenna (FPA)…

Information Theory · Computer Science 2025-03-24 Farshad Rostami Ghadi , Masoud Kaveh , Francisco Hernando-Gallego , Diego Martin , Kai-Kit Wong , Chan-Byoung Chae

Millimeter-wave networks have already been successfully rolled out in many countries and now the research direction heads toward new technologies and standards to enable Tbps rates for future sixth-generation (6G) wireless communication…

Information Theory · Computer Science 2023-11-03 Leila Tlebaldiyeva , Sultangali Arzykulov , Khaled M. Rabie , Xingwang Li , Galymzhan Nauryzbayev

Fluid antenna (FA) array is envisioned as a promising technology for next-generation communication systems, owing to its ability to dynamically control the antenna locations. In this paper, we apply FA array to boost the performance of…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Saeid Pakravan , Mohsen Ahmadzadeh , Ming Zeng , Ghosheh Abed Hodtani , Jean-Yves Chouinard , Leslie A Rusch

This letter presents a flexible rate-splitting multiple access (RSMA) framework for near-field (NF) integrated sensing and communications (ISAC). The spatial beams configured to meet the communication rate requirements of NF users are…

Information Theory · Computer Science 2024-12-03 Jiasi Zhou , Cong Zhou , Cheng Zeng , Chintha Tellambura

This correspondence investigates the novel fluid antenna system (FAS) technology, combining with reconfigurable intelligent surface (RIS) for wireless communications, where a base station (BS) communicates with a FAS-enabled user with the…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Junteng Yao , Jianchao Zheng , Tuo Wu , Ming Jin , Chau Yuen , Kai-Kit Wong , Fumiyuki Adachi

The integration of sensing and communication (ISAC) is a key enabler for next-generation technologies. With high-frequency bands and large-scale antenna arrays, the Rayleigh distance extends, necessitating near-field (NF) models where waves…

Signal Processing · Electrical Eng. & Systems 2025-12-25 Yinchao Yang , Jingxuan Zhou , Zhaohui Yang , Mohammad Shikh-Bahaei