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Related papers: Uplink RSMA for Pinching-Antenna Systems

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A transmit pinching-antenna system (T-PASS) framework is proposed, in which a single pinched waveguide is employed to jointly serve one wired user equipment (UE) and multiple wireless UEs. The signal radiated by the pinching antennas (PAs)…

Signal Processing · Electrical Eng. & Systems 2026-03-05 Deqiao Gan , Chongjun Ouyang , Yuanwei Liu , Xiaohu Ge

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

The pinching-antenna system (PASS) reconfigures wireless links through pinching beamforming, in which the activated locations of pinching antennas (PAs) along dielectric waveguides are optimized. This article investigates the application of…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Shan Shan , Chongjun Ouyang , Yong Li , Yuanwei Liu

Pinching-antenna systems (PASS) have recently attracted significant attention as a promising architecture for flexible and reconfigurable wireless communications. Despite notable advancements, research on energy efficiency (EE) maximization…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Yishi Zhang , Aditya Powari , Kaidi Wang , Yaru Fu , Daniel K. C. So

This article investigates the application of pinching-antenna systems (PASS) in multiuser multiple-input single-output (MISO) communications. Two sum-rate maximization problems are formulated under minimum mean square error (MMSE) decoding,…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Jiarui Zhang , Hao Xu , Chongjun Ouyang , Qiuyun Zou , Hongwen Yang

Pinching-antenna systems (PASS) represent a promising customizable wireless access mechanism in high-frequency bands, enabled by dielectric waveguides and movable dielectric particles, called pinching antennas (PAs). In this work, we study…

Information Theory · Computer Science 2026-04-20 Muhammad Fainan Hanif , Yuanwei Liu

In this letter, a non-orthogonal multiple access (NOMA) assisted downlink pinching-antenna system is investigated, where multiple pinching antennas can be activated at pre-configured positions along a dielectric waveguide to serve users via…

Signal Processing · Electrical Eng. & Systems 2024-12-19 Kaidi Wang , Zhiguo Ding , Robert Schober

Rate-Splitting Multiple Access (RSMA) is an emerging flexible, robust and powerful multiple access scheme for downlink multi-antenna wireless networks. RSMA relies on multi-antenna Rate-Splitting (RS) strategies at the transmitter and…

Information Theory · Computer Science 2020-07-21 Onur Dizdar , Yijie Mao , Wei Han , Bruno Clerckx

We investigate the performance of the pinching-antenna systems (PASS) for semantic communication (SC) in both single-waveguide and multi-waveguide scenarios, under the constraints of bit-user quality of service (QoS) and bit-to-semantic…

Signal Processing · Electrical Eng. & Systems 2026-04-08 Ishtiaque Ahmed , Haris Parvaiz , Leila Musavian

The evolution of wireless networks is driving new paradigms for consideration in upcoming generations. To this end, the 6G anticipates the development of several data-rate-hungry applications, in addition to a forecast growth in…

Information Theory · Computer Science 2026-04-07 Elmehdi Illi , Marwa Qaraqe

Pinching-antenna systems (PASS) represent an innovative advancement in flexible-antenna technologies, aimed at significantly improving wireless communications by ensuring reliable line-of-sight connections and dynamic antenna array…

Signal Processing · Electrical Eng. & Systems 2025-11-27 Jingjing Zhao , Haowen Song , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

The pinching-antenna system (PASS), recently proposed as a flexible-antenna technology, has been regarded as a promising solution for several challenges in next-generation wireless networks. It provides large-scale antenna reconfiguration,…

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

Pinching-antenna systems (PASS) have been recently proposed to improve the performance of wireless networks by reconfiguring both the large-scale and small-scale channel conditions. However, existing studies ignore the physical constraints…

Signal Processing · Electrical Eng. & Systems 2025-07-04 Yiming Xu , Dongfang Xu , Xianghao Yu , Shenghui Song , Zhiguo Ding , Robert Schober

This paper addresses, for the first time, the uplink performance optimization of multi-user pinching-antenna (PA) systems, recently developed for next-generation wireless networks. By leveraging the unique capabilities of PAs to dynamically…

Information Theory · Computer Science 2025-03-06 Sotiris A. Tegos , Panagiotis D. Diamantoulakis , Zhiguo Ding , George K. Karagiannidis

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

Pinching antenna systems (PASS) have been proposed as a revolutionary flexible antenna technology which facilitates line-of-sight links via numerous low-cost pinching antennas with adjustable activation positions over waveguides. This…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Luyuan Zhang , Xidong Mu , An Liu , Yuanwei Liu

Pinching antenna systems (PASS) have emerged as a technology that enables the large-scale movement of antenna elements, offering significant potential for performance gains in next-generation wireless networks. This paper investigates the…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Yue Zhang , Yaru Fu , Pei Liu , Yalin Liu , Kevin Hung

Pinching antenna systems (PASS) present a breakthrough among the flexible-antenna technologies, and distinguish themselves by facilitating large-scale antenna reconfiguration, line-of-sight creation, scalable implementation, and near-field…

Pinching antenna systems (PASS) have the advantages in the perspective of flexible antenna reconfiguration, line-of-sight (LoS) creation, and scalability features. To highlight the ascendancy of PASS, we survey the integration of PASS into…

Information Theory · Computer Science 2026-04-29 Xinwei Yue , Xinglun Tao , Jingjing Zhao , Xianfu Lei , Yuanwei Liu , Zhiguo Ding