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Related papers: Fluid Antenna-Aided Rate-Splitting Multiple Access

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This work studies the joint beamforming design problem of achieving max-min rate fairness in a satellite-terrestrial integrated network (STIN) where the satellite provides wide coverage to multibeam multicast satellite users (SUs), and the…

Information Theory · Computer Science 2021-11-30 Longfei Yin , Bruno Clerckx

As a pivotal usage scenario for 6G networks, integrated sensing and communication (ISAC) has emerged as a focal point of both academic and industrial research. To accommodate the heterogeneous connectivity requirements of future networks…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Qinyuan Zheng , Pengcheng Zhu

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

Fluid antenna systems (FAS) have recently emerged as a promising paradigm for achieving spatially reconfigurable, compact, and energy-efficient wireless communications in beyond fifth-generation (B5G) and sixth-generation (6G) networks. By…

Signal Processing · Electrical Eng. & Systems 2026-02-02 Saeid Pakravan , Mohsen Ahmadzadeh , Ming Zeng , Wessam Ajib , Ji Wang , Xingwang Li

This letter proposes an active reconfigurable intelligent surface (ARIS) assisted rate-splitting multiple access (RSMA) integrated sensing and communication (ISAC) system to overcome the fairness bottleneck in multi-target sensing under…

Signal Processing · Electrical Eng. & Systems 2026-02-13 Xin Jin , Tiejun Lv , Yashuai Cao , Jie Zeng , Mugen Peng

Fast fluid antenna multiple access (FAMA) is an idea that promises to overcome severe interference in massive access scenarios by reconfiguring the antenna's position at the receiver side on a symbol-by-symbol basis, without the need of…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Noor Waqar , Kai-Kit Wong , Chan-Byoung Chae , Ross Murch

Multiple-input multiple-output (MIMO) technology has significantly impacted wireless communication, by providing extraordinary performance gains. However, a minimum inter-antenna space constraint in MIMO systems does not allow its…

Information Theory · Computer Science 2022-05-05 Priyadarshi Mukherjee , Constantinos Psomas , Ioannis Krikidis

This paper proposes a novel fluid antenna system (FAS)-enabled architecture to improve energy efficiency (EE) without sacrificing capacity. Specifically, we integrate FAS into cell-free massive MIMO systems to counteract low-resolution…

Information Theory · Computer Science 2026-05-28 Jun Qian , Ross Murch , Khaled B. Letaief

In this paper, a Rate-Splitting Multiple Access (RSMA) scheme is proposed to assist a Mobile Edge Computing (MEC) system where local computation tasks from two users are offloaded to the MEC server, facilitated by uplink RSMA for…

Information Theory · Computer Science 2025-02-10 Jiawei Xu , Yumeng Zhang , Yunnuo Xu , Bruno Clerckx

This paper studies a fluid-antenna-enabled integrated bistatic sensing and backscatter communication system for future networks where connectivity, power delivery, and environmental awareness are jointly supported by the same…

Signal Processing · Electrical Eng. & Systems 2026-02-12 A. Abdelaziz Salem , Saeed Abdallah , Khawla Alnajjar , Mahmoud A. Albreem , Mohamed Saad , Hayssam Dahrouj , Hesham Elsawy

This paper investigates the impact of deploying the fluid antenna system (FAS) on the performance of covert communications. In particular, we focus on a scenario where a transmitter seeks to covertly communicate with a receiver, while a…

Information Theory · Computer Science 2025-02-28 Farshad Rostami Ghadi , Masoud Kaveh , Riku Jantti , F. Javier Lopez-Martinez

Movable antenna (MA) has gained increasing attention in the field of wireless communications due to its exceptional capability to proactively reconfigure wireless channels via localized antenna movements. In this paper, we investigate the…

Signal Processing · Electrical Eng. & Systems 2025-06-16 Nianzu Li , Peiran Wu , Lipeng Zhu , Derrick Wing Kwan Ng

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

In this correspondence, we analyze the performance of a reconfigurable intelligent surface (RIS)-aided communication system that involves a fluid antenna system (FAS)-enabled receiver. By applying the central limit theorem (CLT), we derive…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Xiazhi Lai , Junteng Yao , Kangda Zhi , Tuo Wu , David Morales-Jimenez , Kai-Kit Wong

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

This letter investigates a fluid antenna (FA)-assisted integrated sensing and communication (ISAC) system, with joint antenna position optimization and waveform design. We consider enhancing the sum-rate maximization (SRM) and sensing…

Information Theory · Computer Science 2024-12-12 Qian Zhang , Mingjie Shao , Tong Zhang , Gaojie Chen , Ju Liu , P. C. Ching

In this work, we present new results for the application of rate splitting multiple access (RSMA) to the downlink (DL) of a massive multiple-input-multiple-output (MaMIMO) system operating in frequency-division-duplex (FDD) mode. Due to the…

Signal Processing · Electrical Eng. & Systems 2023-01-31 Donia Ben Amor , Michael Joham , Wolfgang Utschick

This paper investigates the downlink power allocation of the simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-assisted cell-free massive multiple-input multiple-output (MIMO) system with multi-antenna…

Information Theory · Computer Science 2025-12-23 Jun Qian , Ross Murch , Khaled B. Letaief

The advent of the sixth-generation (6G) networks presents another round of revolution for the mobile communication landscape, promising an immersive experience, robust reliability, minimal latency, extreme connectivity, ubiquitous coverage,…

Cloud radio access networks (C-RAN) enable a network platform for beyond the fifth generation of communication networks (B5G), which incorporates the advances in cloud computing technologies to modern radio access networks. Recently, rate…

Information Theory · Computer Science 2020-11-03 Alaa Alameer Ahmad , Yijie Mao , Aydin Sezgin , Bruno Clerckx