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Related papers: The $\alpha$-$\eta$-$\kappa$-$\mu$ Fading Model: A…

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Recently, in the ref. Physica A \bfm{296} 405 (2001), a new one parameter deformation for the exponential function $\exp_{_{\{{\scriptstyle \kappa}\}}}(x)= (\sqrt{1+\kappa^2x^2}+\kappa x)^{1/\kappa}; \exp_{_{\{{\scriptstyle 0}\}}}(x)=\exp…

Statistical Mechanics · Physics 2015-06-24 G. Kaniadakis , A. M. Scarfone

A unified statistical model is proposed to characterize turbulence-induced fading in underwater wireless optical communication (UWOC) channels in the presence of air bubbles and temperature gradient for fresh and salty waters, based on…

Information Theory · Computer Science 2018-10-16 Emna Zedini , Hassan M. Oubei , Abla Kammoun , Mounir Hamdi , Boon S. Ooi , Mohamed-Slim Alouini

The $\kappa$-$\mu$ shadowed fading model is a very general fading model as it includes both $\kappa$-$\mu$ and $\eta$-$\mu$ as special cases. In this work, we derive the expression for outage probability when the signal-of-interest (SoI)…

Information Theory · Computer Science 2017-08-08 Suman Kumar , Sheetal Kalyani

We address the problem of recovering a sparse signal observed by a resource constrained wireless sensor network under channel fading. Sparse random matrices are exploited to reduce the communication cost in forwarding information to a…

Information Theory · Computer Science 2015-04-16 Thakshila Wimalajeewa , Pramod K. Varshney

This paper investigates the performance of a single-user fluid antenna system (FAS), by exploiting a class of elliptical copulas to describe the dependence structure amongst the fluid antenna positions (ports). By expressing the well-known…

Information Theory · Computer Science 2024-09-04 Farshad Rostami Ghadi , Kai-Kit Wong , F. Javier Lopez-Martinez , Chan-Byoung Chae , Kin-Fai Tong , Yangyang Zhang

Characterizing the ultimate rates of entanglement distribution is essential for both foundational research and the practical deployment of quantum technologies. To investigate these limits, we introduce an erasure-Pauli channel model…

Quantum Physics · Physics 2026-03-06 Stefano Pirandola

We have experimentally investigated a chaotic reverberation chamber in the regime of strong modal overlap ($1{<}d{<}150$) varying the opening as well as the coupling strength $\kappa$ of the two attached antennas. We find a good agreement…

Disordered Systems and Neural Networks · Physics 2020-10-08 Ulrich Kuhl , Olivier Legrand , Fabrice Mortessagne , Khalid Oubaha , Martin Richter

To provide the vast exploitation of the large number of antennas on massive multiple-input-multiple-output (M-MIMO), it is crucial to know as accurately as possible the channel state information in the base station. This knowledge is…

Signal Processing · Electrical Eng. & Systems 2019-01-25 Victor Croisfelt Rodrigues , Jose Carlos Marinello , Taufik Abrao

Using random matrix calculations, we show that, the contrast between maximally focused intensity through random media and the background of the transmitted speckle pattern for diffusive waves is, \mu_N =1 +N_{eff}, where N eff is the…

Disordered Systems and Neural Networks · Physics 2015-06-03 Matthieu Davy , Zhou Shi , Azriel Genack

This paper considers delay-limited communication over quasi-static fading channels under a long-term power constraint. A sequence of length-$n$ delay-limited codes for a quasi-static fading channel is said to be capacity-achieving if the…

Information Theory · Computer Science 2016-11-15 Silas L. Fong , Vincent Y. F. Tan

We present a new formulation of Fourier transform in the picture of the $\kappa$-algebra derived in the framework of the $\kappa$-generalized statistical mechanics. The $\kappa$-Fourier transform is obtained from a $\kappa$-Fourier series…

Statistical Mechanics · Physics 2022-06-15 A. M. Scarfone

With the recent developments on opening the terahertz (THz) spectrum for experimental purposes by the Federal Communications Commission, transceivers operating in the range of 0.1THz-10THz, which are known as THz bands, will enable…

Signal Processing · Electrical Eng. & Systems 2021-03-02 Kürşat Tekbıyık , Ali Rıza Ekti , Güneş Karabulut Kurt , Ali Görçin , Serhan Yarkan

An invariant ensemble of $N\times N$ random matrices can be characterised by a joint distribution for eigenvalues $P(\lambda_1,\cdots,\lambda_N)$. The study of the distribution of linear statistics, i.e. of quantities of the form…

Statistical Mechanics · Physics 2017-09-25 Aurélien Grabsch , Christophe Texier

Given the imperative for advanced wireless networks in the next generation and the rise of real-time applications within wireless communication, there is a notable focus on investigating data rate performance across various fading…

Information Theory · Computer Science 2023-11-21 Manpreet Kaur , Sandeep Kumar , Poonam Yadav , Puspraj Singh Chauhan

In this letter, we develop a continuous fluid antenna (FA) framework for uplink channel estimation in cell-free massive multiple-input and multiple-output (CF-mMIMO) systems. By modeling the wireless channel as a spatially correlated…

Information Theory · Computer Science 2026-02-19 Masoud Kaveh , Farshad Rostami Ghadi , Francisco Hernando-Gallego , Diego Martin , Riku Jantti , Kai-Kit Wong

Optimal sampling of non band-limited functions is an issue of great importance that has attracted considerable attention. We propose to tackle this problem through the use of a frequency warping: First, by a nonlinear shrinking of…

Classical Analysis and ODEs · Mathematics 2017-03-07 Stefan Lafon , Jacques Lévy Véhel , Jacques Peyrière

This paper presents a computational framework for modeling wave propagation in geometrically linear elastic materials characterized by algebraically nonlinear constitutive relations. We derive a specific form of the nonlinear wave equation…

Numerical Analysis · Mathematics 2026-01-09 S. M. Mallikarjunaiah

In this work we propose an efficient and accurate multi-scale optical simulation algorithm by applying a numerical version of slowly varying envelope approximation in FEM. Specifically, we employ the fast iterative method to quickly compute…

Optics · Physics 2024-12-03 Fan Xiao , Jingwei Wang , Zhongfei Xiong , Yuntian Chen

A fundamental problem in the delay and backlog analysis across multi-hop paths in wireless networks is how to account for the random properties of the wireless channel. Since the usual statistical models for radio signals in a propagation…

Networking and Internet Architecture · Computer Science 2012-07-30 Hussein Al-Zubaidy , Jorg Liebeherr , Almut Burchard

Channel modelling is essential to designing modern wireless communication systems. The increasing complexity of channel modelling and the cost of collecting high-quality wireless channel data have become major challenges. In this paper, we…

Artificial Intelligence · Computer Science 2023-08-11 Ushnish Sengupta , Chinkuo Jao , Alberto Bernacchia , Sattar Vakili , Da-shan Shiu