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Related papers: On Near-Far-Field Boundaries in Wireless Systems

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Extremely Large-scale Array (ELAA) is considered a frontier technology for future communication systems, pivotal in improving wireless systems' rate and spectral efficiency. As ELAA employs a multitude of antennas operating at higher…

Machine Learning · Computer Science 2024-08-26 Jiali Nie , Yuanhao Cui , Zhaohui Yang , Weijie Yuan , Xiaojun Jing

In past years, non-terrestrial networks (NTNs) have emerged as a viable solution for providing ubiquitous connectivity for future wireless networks due to their ability to reach large geographical areas. However, the efficient integration…

Networking and Internet Architecture · Computer Science 2023-10-04 Henri Alam , Antonio De Domenico , David López-Pérez , Florian Kaltenberger

Future autonomous systems require wireless connectivity able to support extremely stringent requirements on both latency and reliability. In this paper, we leverage recent developments in the field of finite-blocklength information theory…

Information Theory · Computer Science 2016-11-29 Johan Östman , Giuseppe Durisi , Erik G. Ström , Jingya Li , Henrik Sahlin , Gianluigi Liva

Most prior works on deep learning-based wireless device classification using radio frequency (RF) data apply off-the-shelf deep neural network (DNN) models, which were matured mainly for domains like vision and language. However, wireless…

Signal Processing · Electrical Eng. & Systems 2021-05-07 Bechir Hamdaoui , Abdurrahman Elmaghbub , Seifeddine Mejri

When multiple radio-frequency sources are connected to multiple loads through a passive multiport matching network, perfect power transfer to the loads across all frequencies is generally impossible. In this two-part paper, we provide…

Information Theory · Computer Science 2017-03-16 Ding Nie , Bertrand M. Hochwald

In the sixth-generation (6G), with the further expansion of array element number and frequency bands, the wireless communications are expected to operate in the near-field region. The near-field radio communications (NFRC) will become…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Haiyang Miao , Pan Tang , Weirang Zuo , Qi Wei , Lei Tian , Jianhua Zhang

In analyzing the point-to-point wireless channel, insights about two qualitatively different operating regimes--bandwidth- and power-limited--have proven indispensable in the design of good communication schemes. In this paper, we propose a…

Information Theory · Computer Science 2009-09-29 Ayfer Ozgur , Ramesh Johari , David Tse , Olivier Leveque

Clustered Federated Multitask Learning (CFL) has gained considerable attention as an effective strategy for overcoming statistical challenges, particularly when dealing with non independent and identically distributed (non IID) data across…

Networking and Internet Architecture · Computer Science 2024-01-22 Moqbel Hamood , Abdullatif Albaseer , Mohamed Abdallah , Ala Al-Fuqaha

Device-Free Localization (DFL) employs passive radio techniques capable to detect and locate people without imposing them to wear any electronic device. By exploiting the Integrated Sensing and Communication paradigm, DFL networks employ…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Vittorio Rampa , Federica Fieramosca , Stefano Savazzi , Michele D'Amico

As Wi-Fi becomes ubiquitous in public and private spaces, it becomes natural to leverage its intrinsic ability to sense the surrounding environment to implement groundbreaking wireless sensing applications such as human presence detection,…

Networking and Internet Architecture · Computer Science 2024-08-27 Francesca Meneghello , Cheng Chen , Carlos Cordeiro , Francesco Restuccia

In this paper, we analyze various critical transmitting/sensing ranges for connectivity and coverage in three-dimensional sensor networks. As in other large-scale complex systems, many global parameters of sensor networks undergo phase…

Data Structures and Algorithms · Computer Science 2007-05-23 Vlady Ravelomanana

A network of n communication links, operating over a shared wireless channel, is considered. Fading is assumed to be the dominant factor affecting the strength of the channels between transmitter and receiver terminals. It is assumed that…

Information Theory · Computer Science 2016-11-17 Masoud Ebrahimi , Mohammad A. Maddah-Ali , Amir K. Khandani

Many complex dynamical systems in the real world, including ecological, climate, financial, and power-grid systems, often show critical transitions, or tipping points, in which the system's dynamics suddenly transit into a qualitatively…

Physics and Society · Physics 2023-05-19 Prosenjit Kundu , Neil G. MacLaren , Hiroshi Kori , Naoki Masuda

Extremely large-scale multiple-input-multiple output (XL-MIMO) is a promising technology to achieve high spectral efficiency (SE) and energy efficiency (EE) in future wireless systems. The larger array aperture of XL-MIMO makes…

Information Theory · Computer Science 2024-05-14 Bokai Xu , Jiayi Zhang , Hongyang Du , Zhe Wang , Yuanwei Liu , Dusit Niyato , Bo Ai , Khaled B. Letaief

Multimode fibers (MMF) are an example of a highly scattering medium which scramble the coherent light propagating within them and produce seemingly random patterns. Thus, for applications such as imaging and image projection through a MMF,…

In this article, we investigate the transient behavior of a sequence of packets/bits traversing a multi-hop wireless network. Our work is motivated by novel applications from the domain of process automation, Machine-Type Communication…

Networking and Internet Architecture · Computer Science 2018-06-12 Jaya Prakash Champati , Hussein Al-Zubaidy , James Gross

In this paper, we present a detailed framework to analyze the evolution of the random topology of a time-varying wireless network via the information theoretic notion of entropy rate. We consider a propagation channel varying over time with…

Information Theory · Computer Science 2018-11-08 Arta Cika , Mihai-Alin Badiu , Justin P. Coon , Shahriar Etemadi Tajbakhsh

In the first part of this paper, we define a deep convolutional neural network connected with the fractional Fourier transform (FrFT) using the $\theta$-translation operator, the translation operator associated with the FrFT. Subsequently,…

Functional Analysis · Mathematics 2024-08-14 M. H. A. Biswas , P. Massopust , R. Ramakrishnan

Applications towards 6G have brought a huge interest towards arrays with a high number of antennas and operating within the millimeter and sub-THz bandwidths for joint communication and localization. With such large arrays, the plane wave…

Information Theory · Computer Science 2021-11-10 Anna Guerra , Francesco Guidi , Davide Dardari , Petar M. Djuric

This paper presents a method to seamlessly extend the coverage of energy supply field for wireless sensor networks in order to free sensors from wires and batteries, where the multi-point scheme is employed to overcome path-loss…

Networking and Internet Architecture · Computer Science 2014-08-21 Daiki Maehara , Gia Khanh Tran , Kei Sakaguchi , Kiyomichi Araki , Minoru Furukawa
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