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Related papers: Fast Fluid Antenna Multiple Access

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This paper investigates a multiuser millimeter-wave (mmWave) uplink system in which each user is equipped with a multi-antenna fluid antenna system (FAS) while the base station (BS) has multiple fixed-position antennas. Our primary…

Information Theory · Computer Science 2024-08-20 Hao Xu , Kai-Kit Wong , Wee Kiat New , Farshad Rostami Ghadi , Gui Zhou , Ross Murch , Chan-Byoung Chae , Yongxu Zhu , Shi Jin

Multi-group multicast (MGM) is an increasingly important form of multi-user wireless communications with several potential applications, such as video streaming, federated learning, safety-critical vehicular communications, etc.…

Signal Processing · Electrical Eng. & Systems 2024-09-27 Xinze Lyu , Sundar Aditya , Bruno Clerckx

In this work, we address reliable communication of low-latency packets in the presence of a full-duplex adversary that is capable of executing a jamming attack while also being able to measure the power levels on various frequency bands.…

Information Theory · Computer Science 2020-06-01 Vivek Chaudhary , J. Harshan

This paper examines the impact of emerging fluid antenna systems (FAS) on reconfigurable intelligent surface (RIS)-aided secure communications. Specifically, we consider a classic wiretap channel, where a fixed-antenna transmitter sends…

Information Theory · Computer Science 2024-08-28 Farshad Rostami Ghadi , Kai-Kit Wong , Masoud Kaveh , F. Javier Lopez-Martinez , Wee Kiat New , Hao Xu

Although methods for estimating the pose of objects in indoor scenes have achieved great success, the pose estimation of underwater objects remains challenging due to difficulties brought by the complex underwater environment, such as…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Jingyi Tang , Gu Wang , Zeyu Chen , Shengquan Li , Xiu Li , Xiangyang Ji

Authorization systems are increasingly relying on processing radio frequency (RF) waveforms at receivers to fingerprint (i.e., determine the identity) of the corresponding transmitter. Federated learning (FL) has emerged as a popular…

Signal Processing · Electrical Eng. & Systems 2025-03-07 Kiarash Kianfar , Rajeev Sahay

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

Fluid antennas (FAs) and movable antennas (MAs) have drawn increasing attention in wireless communications recently due to their ability to create favorable channel conditions via local antenna movement within a confined region. In this…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Xin Wei , Weidong Mei , Dong Wang , Boyu Ning , Zhi Chen

The flexibility and reconfigurability at the radio frequency (RF) front-end offered by the fluid antenna system (FAS) make this technology promising for providing remarkable diversity gains in networks with small and constrained devices.…

This paper investigates a fluid antenna (FA) enhanced integrated sensing and communication (ISAC) system consisting of a base station (BS), multiple single-antenna communication users, and one point target, where the BS is equipped with FAs…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Tian Hao , Changxin Shi , Yinghong Guo , Bin Xia , Feng Yang

Type-based unsourced multiple access (TUMA) is a recently proposed framework for type-based estimation in massive uncoordinated access networks. We extend the existing design of TUMA, developed for an additive white Gaussian channel, to a…

Information Theory · Computer Science 2025-04-29 Kaan Okumus , Khac-Hoang Ngo , Giuseppe Durisi , Erik G. Ström

The Fluid Antenna System (FAS) overcomes the spatial degree-of-freedom limitations of conventional static antenna arrays in wireless communications.This capability critically depends on acquiring full Channel State Information across all…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Xuehui Dong , Kai Wan , Shuangyang Li , Robert Caiming Qiu , Giuseppe Caire

The rapid evolution of communication technologies and the emergence of sixth-generation (6G) networks have introduced unprecedented opportunities for ultra-reliable, low-latency, and energy-efficient communication. However, the integration…

Information Theory · Computer Science 2025-01-17 Farshad Rostami Ghadi , Masoud Kaveh , Kai-Kit Wong , Diego Martin , Riku Jantti , Zheng Yan

In this paper, we propose an energy efficient wireless communication system based on fluid antenna relay (FAR) to solve the problem of non-line-of-sight (NLoS) links caused by blockages with considering the physical properties. Driven by…

Signal Processing · Electrical Eng. & Systems 2025-08-07 Ruopeng Xu , Zhaohui Yang , Zhaoyang Zhang , Mohammad Shikh-Bahaei , Kaibin Huang , Dusit Niyato

Low-altitude wireless networks (LAWNs) are widely regarded as a cornerstone of the emerging low-altitude economy, yet they face significant challenges, including rapidly varying channels, diverse functional requirements, and dynamic…

Information Theory · Computer Science 2025-09-26 Wenchao Liu , Xuhui Zhang , Chunjie Wang , Jinke Ren , Weijie Yuan , Changsheng You

Two critical approaches have emerged in the literature for the successful realization of 6G wireless networks: the coexistence of multiple waveforms and the adoption of non-orthogonal multiple access. These strategies hold transformative…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Kenza Abela , Shaima Abidrabbu , Ayoub Ammar Boudjelal , Huseyin Arslan

Rate-splitting multiple access (RSMA) has emerged as a novel, general, and powerful framework for the design and optimization of non-orthogonal transmission, multiple access (MA), and interference management strategies for future wireless…

Information Theory · Computer Science 2022-10-03 Yijie Mao , Onur Dizdar , Bruno Clerckx , Robert Schober , Petar Popovski , H. Vincent Poor

With ChatGPT as a representative, tons of companies have began to provide services based on large Transformers models. However, using such a service inevitably leak users' prompts to the model provider. Previous studies have studied secure…

Cryptography and Security · Computer Science 2025-10-17 Ye Dong , Wen-jie Lu , Yancheng Zheng , Haoqi Wu , Derun Zhao , Jin Tan , Zhicong Huang , Cheng Hong , Tao Wei , Wenguang Chen

The frequency diverse array (FDA) is highly promising for improving covert communication performance by adjusting the frequency of each antenna at the transmitter. However, when faced with the cases of multiple wardens and highly correlated…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Zihao Cheng , Jiangbo Si , Zan Li , Pengpeng Liu , Xiaoting Wang , Naofal Al-Dhahir

Fluid Antenna System (FAS) is recognized as a promising technology for enhancing communication performance. In this context, we explored the potential of FAS-assisted wireless powered communication systems. Specifically, the transmitter,…

Signal Processing · Electrical Eng. & Systems 2024-02-06 Xiazhi Lai , Kangda Zhi , Wanyi Li , Tuo Wu , Cunhua Pan , Maged Elkashlan