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Related papers: Dual-Waveguide Pinching Antennas for PLS: Parallel…

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Federated learning (FL) in wireless networks is limited by straggler delays from unpredictable channel conditions. In this paper, we investigate the pinching-antenna system (PASS), which dynamically 'pinches' the radiator along a dielectric…

Information Theory · Computer Science 2025-10-28 Yushen Lin , Zihan Chen , Zhiguo Ding

In this paper, we study the physical layer security (PLS) problem in the dual hop orthogonal frequency division multiplexing (OFDM) based wireless communication system. First, we consider a single user single relay system and study a joint…

Information Theory · Computer Science 2018-03-15 Waqas Aman , Guftaar Ahmad Sardar Sidhu , Haji M. Furqan , Zain Ali

A pinching antenna system (PASS) assisted cell-free communication system is proposed. A sum rate maximization problem under the BS power budget constraint and PA deployment constraint is formulated. To tackle the proposed non-convex…

Signal Processing · Electrical Eng. & Systems 2026-05-20 Haochen Li , Jiayi Lei , Cheng Zeng , Zhaoming Hu , Chao Dong , Yuanwei Liu

This paper investigates a novel downlink symbiotic radio framework enabled by the pinching antenna system (PASS), designed to enhance both primary and secondary transmissions through reconfigurable antenna positioning. This…

Signal Processing · Electrical Eng. & Systems 2025-09-17 Ze Wang , Guoping Zhang , Hongbo Xu , Wei Liu , Ming Zeng , Fang Fang , Dusit Niyato

This paper aims to design multiple access (MA) schemes to improve the max-min fairness (MMF) for pinching antennas (PAs)-based multigroup multicast communications, where PA placement and resource allocation are jointly optimized.…

Signal Processing · Electrical Eng. & Systems 2026-02-26 Shan Shan , Chongjun Ouyang , Yong Li , Yuanwei Liu

Fluid antenna systems (FAS) are an emerging technology that promises a significant diversity gain even in the smallest spaces. Motivated by the groundbreaking potentials of liquid antennas, researchers in the wireless communication…

Information Theory · Computer Science 2023-01-02 Malek Khammassi , Abla Kammoun , Mohamed-Slim Alouini

In this paper, we consider the Physical Layer Security(PLS) problem in orthogonal frequency division multiple access (OFDMA) based dual-hop system which consists of multiple users, multiple amplify and forward relays, and an eavesdropper.…

Information Theory · Computer Science 2018-03-15 Waqas Aman , Guftaar Ahmad Sardar Sidhu , Tayyaba Jabeen , Feifei Gao , Shi Jin

The Pinching Antenna System (PAS) has emerged as a promising technology to dynamically reconfigure wireless propagation environments in 6G networks. By activating radiating elements at arbitrary positions along a dielectric waveguide, PAS…

Signal Processing · Electrical Eng. & Systems 2025-12-22 Yu Hua , Yaru Fu , Yalin Liu , Zheng Shi , Kevin Hung

Pinching-antenna systems (PASS) have recently attracted considerable attention owing to their capability of flexibly reconfiguring large-scale wireless channels. Motivated by this potential, we investigate the issue of joint localization…

Signal Processing · Electrical Eng. & Systems 2025-12-11 Min Liu , Yue Xiao , Shuaixin Yang , Gang Wu , Xianfu Lei , Wei Xiang

Pinching-antenna (PA) has recently attracted considerable research attention in wireless systems, realized by attaching small dielectric particles along a waveguide. Building upon which, the segmented waveguide-enabled pinching-antenna…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Yue Geng , Tee Hiang Cheng , Kah Chan Teh , Zhiguo Ding

The position-fluid antenna (PFA) architecture has become one of the appealing technologies to support ubiquitous connectivity demand in next-generation wireless systems. Specifically, allowing the antenna to adjust its physical position to…

Information Theory · Computer Science 2024-09-04 Heyin Shen , Chong Han , Hao Liu , Tao Yang

A multiuser uplink transmission framework based on the segmented waveguide-enabled pinching-antenna system (SWAN) is proposed under two operating protocols: segment selection (SS) and segment aggregation (SA). For each protocol, the…

Signal Processing · Electrical Eng. & Systems 2025-12-24 Songnan Gu , Hao Jiang , Chongjun Ouyang , Yuanwei Liu , Dong In Kim

In this paper, we studies the performance of a novel simultaneous wireless information and power transfer (SWIPT) system enabled by a flexible pinching-antenna. To support flexible deployment and optimize energy-rate performance, we propose…

Systems and Control · Electrical Eng. & Systems 2025-09-05 Bingxin Zhang , Han Zhang , Kun Yang , Yizhe Zhao , Kezhi Wang

Pinching antennas (PAs), a new type of reconfigurable and flexible antenna structures, have recently attracted significant research interest due to their ability to create line-of-sight links and mitigate large-scale path loss. Owing to…

Signal Processing · Electrical Eng. & Systems 2025-09-26 Peng Liu , Zesong Fei , Meng Hua , Guangji Chen , Xinyi Wang , Ruiqi Liu

This paper leverages fluid antenna (FA) and rate-splitting multiple access (RSMA) to enhance the physical layer security (PLS) of an integrated sensing and communication (ISAC) system. We consider a practical multi-user multi-input…

Information Theory · Computer Science 2025-03-18 Cixiao Zhang , Yin Xu , Size Peng , Xinghao Guo , Xiaowu Ou , Hanjiang Hong , Dazhi He , Wenjun Zhang

In this paper, we consider the physical layer security (PLS) problem for integrated sensing and communication (ISAC) systems in the presence of hybrid-colluding eavesdroppers, where an active eavesdropper (AE) and a passive eavesdropper…

Systems and Control · Electrical Eng. & Systems 2025-02-10 Meiding Liu , Zhengchun Zhou , Qiao Shi , Guyue Li , Zilong Liu , Pingzhi Fan , Inkyu Lee

This paper investigates a rate-splitting multiple access (RSMA) for uplink pinching antenna system (PASS). Our objective is to maximize the uplink sum rate by jointly optimizing a continuous antenna positioning and user's transmission…

Signal Processing · Electrical Eng. & Systems 2025-12-24 Zar Chi Phyo , Shreya Khisa , Chadi Assi , Sanaa Sharafaddine

The integration of advanced localization techniques in the upcoming next generation networks (B5G/6G) is becoming increasingly important for many use cases comprising contact tracing, natural disasters, terrorist attacks, etc. Therefore,…

Networking and Internet Architecture · Computer Science 2022-02-18 Antonio Albanese , Placido Mursia , Vincenzo Sciancalepore , Xavier Costa-Pérez

A pioneering secure transmission scheme is proposed, which harnesses movable antennas (MAs) to optimize antenna positions for augmenting the physical layer security. Particularly, an MA-enabled secure wireless system is considered, where a…

Signal Processing · Electrical Eng. & Systems 2023-12-22 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Xiaoming She , Chongjun Ouyang , Peng Chen

The pinching-antenna architecture has emerged as a promising solution for reconfiguring wireless propagation environments and enhancing system performance. While prior research has primarily focused on sum-rate maximization or transmit…

Information Theory · Computer Science 2025-05-13 Ming Zeng , Xingwang Li , Ji Wang , Gaojian Huang , Octavia A. Dobre , Zhiguo Ding