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Related papers: Port Selection for Fluid Antenna Systems

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The fluid antenna system (FAS) employs reconfigurable antennas for high spatial gains in compact spaces, enhancing physical layer flexibility. Channel state information (CSI) acquisition is vital for port selection and FAS optimization.…

Information Theory · Computer Science 2025-09-11 Zhentian Zhang , David Morales-Jimenez , Jian Dang , Zaichen Zhang , Christos Masouros , Hao Jiang

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

The fluid antenna (FA) index modulation (IM)-enabled multiple-input multiple-output (MIMO) system, referred to as FA-IM, significantly enhances spectral efficiency (SE) compared to the conventional FA-assisted MIMO system. To improve…

Information Theory · Computer Science 2024-12-31 Xinghao Guo , Yin Xu , Dazhi He , Cixiao Zhang , Hanjiang Hong , Kai-Kit Wong , Wenjun Zhang , Yiyan Wu

Sensor locations to detect Poisson-distributed targets, such as seabed sensors that detect shipping traffic, can be selected to maximize the so-called void probability, which is the probability of detecting all targets. Because evaluation…

Robotics · Computer Science 2025-05-05 Mingyu Kim , Daniel J. Stilwell , Harun Yetkin , Jorge Jimenez

The self-organizational ability of ad-hoc Wireless Sensor Networks (WSNs) has led them to be the most popular choice in ubiquitous computing. Clustering sensor nodes organizing them hierarchically have proven to be an effective method to…

Networking and Internet Architecture · Computer Science 2012-05-09 K. Ramesh , Dr. K. Somasundaram

Both antenna selection and spatial modulation allow for low-complexity MIMO transmitters when the number of RF chains is much lower than the number of transmit antennas. In this manuscript, we present a quantitative performance comparison…

Information Theory · Computer Science 2019-04-04 Bernhard Gäde , Ali Bereyhi , Saba Asaad , Ralf R. Müller

Movable antenna (MA) has emerged as a promising technology to enhance wireless communication performance by exploiting the new degree of freedom (DoF) via antenna position optimization. In this letter, we investigate the MA-enhanced wide…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Dong Wang , Weidong Mei , Zhi Chen , Boyu Ning

An analytical framework for minimizing the outage probability of a coded spatial multiplexing system while keeping the rate close to the capacity is developed. Based on this framework, specific strategies of optimum power and rate…

Information Theory · Computer Science 2009-02-03 Victoria Kostina , Sergey Loyka

Here we develop an approach to predict power grid weak points, and specifically to efficiently identify the most probable failure modes in static load distribution for a given power network. This approach is applied to two examples: Guam's…

Optimization and Control · Mathematics 2010-09-16 Michael Chertkov , Feng Pan , Mikhail G. Stepanov

Emerging wireless communication systems will be characterized by a tight coupling between communication and positioning. This is particularly apparent in millimeter-wave (mm-wave) communications, where devices use a large number of antennas…

Information Theory · Computer Science 2017-05-17 Gabriel E. Garcia , Gonzalo Seco-Granados , Eleftherios Karipidis , Henk Wymeersch

The deployment of several large scale arrays is envisioned to study astroparticles at ultra-high energies. In order to circumvent the heavy computational costs of exploring and optimizing their layouts, we have developed a pruning method.…

Instrumentation and Methods for Astrophysics · Physics 2024-01-03 A , Benoit-Lévy , K. Kotera , M. Tueros

We present an optimized algorithm for assigning fibers to targets in next-generation fiber-fed multi-object spectrographs. The method, that we named draining algorithm, ensures that the maximum number of targets in a given target field is…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Isaac Morales , Antonio D. Montero-Dorta , Marco Azzaro , Francisco Prada , Justo Sanchez , Santiago Becerril

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

This letter presents an innovative scheme to enhance the communication rate and energy efficiency (EE) of Unmanned Aerial Vehicle (UAV) in wireless powered communication networks (WPCNs) by deploying the emerging fluid antenna system (FAS)…

Signal Processing · Electrical Eng. & Systems 2026-01-23 Nagla Abuzgaia , Abdelhamid Salem , Ahmed Elbarsha

This paper investigates fluid antenna systems (FASs) subject to finite-blocklength (FBL) constraints, motivated by the strict reliability-latency and ultra-massive connectivity requirements of future wireless networks. While FAS performance…

Information Theory · Computer Science 2026-04-02 Zhentian Zhang , Kai-Kit Wong , David Morales-Jimenez , Hao Jiang , Hao Xu , Christos Masouros , Zaichen Zhang , Chan-Byoung Chae

This paper investigates an over-the-air federated learning (OTA-FL) system that employs fluid antennas (FAs) at an access point. The system enhances learning performance by leveraging the additional degrees of freedom provided by antenna…

Signal Processing · Electrical Eng. & Systems 2025-02-04 Mohsen Ahmadzadeh , Saeid Pakravan , Ghosheh Abed Hodtani , Ming Zeng , Jean-Yves Chouinard , Leslie A. Rusch

The paper presents a distributed algorithm, called Prediction-based Opportunistic Sensing for Resilient and Efficient Sensor Networks (POSE.R), where the sensor nodes utilize predictions of the targets positions to probabilistically control…

Systems and Control · Electrical Eng. & Systems 2021-07-28 James Z. Hare , Junnan Song , Shalabh Gupta , Thomas A. Wettergren

It has been revealed in the literature that pure multipoint relaying (MPR) algorithms demonstrate both simplicity and outstanding performance, as compared to other flooding algorithms in wireless networks. One drawback of pure MPR…

Networking and Internet Architecture · Computer Science 2010-09-03 Hussein Al-Bahadili , Rami Jaradat

Express companies are deploying more robotic sorting systems, where mobile robots are used to sort incoming parcels by destination. In this study, we propose an integrated assignment and path-finding method for robots in such sorting…

Robotics · Computer Science 2023-03-08 Yiduo Huang , Zuojun Shen
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