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We analyze the properties of Degree-Ordered Percolation (DOP), a model in which the nodes of a network are occupied in degree-descending order. This rule is the opposite of the much studied degree-ascending protocol, used to investigate…

统计力学 · 物理学 2020-11-18 Annalisa Caligiuri , Claudio Castellano

This paper presents analytical expressions for the signal-to-interference ratio (SIR) and the spectral efficiency in macrocellular networks with massive MIMO conjugate beamforming, both with a uniform and a channel-dependent power…

信息论 · 计算机科学 2019-04-24 Geordie George , Angel Lozano , Martin Haenggi

In this paper we consider a probabilistic signal-to-interference and-noise ratio (SINR) constrained problem for transmit beamforming design in the presence of imperfect channel state information (CSI), under a multiuser multiple-input…

信息论 · 计算机科学 2011-08-05 Kun-Yu Wang , Anthony Man-Cho So , Tsung-Hui Chang , Wing-Kin Ma , Chong-Yung Chi

A general theory of nonlinear signal-noise interactions for wavelength division multiplexed fiber-optic coherent transmission systems is presented. This theory is based on the regular perturbation treatment of the nonlinear Schrodinger…

信息论 · 计算机科学 2017-04-24 Amirhossein Ghazisaeidi

In massive MIMO systems, the matched filter (MF) beamforming is attractive technique due to its extremely low complexity of implementation compared to those high-complexity decomposition-based beamforming techniques such as zero-forcing,…

网络与互联网体系结构 · 计算机科学 2014-11-26 Shu Feng , Gu Chen , Wang Mao , Stevan Berber , You Xiaohu

A simple model for image formation in linear shift-invariant systems is considered, in which both the detected signal and the noise variance are varying slowly compared to the point-spread function of the system. It is shown that within the…

医学物理 · 物理学 2017-08-10 Timur Gureyev , Yakov Nesterets , Frank de Hoog

Percolation phenomena are pervasive in nature, ranging from capillary flow, crack propagation, ionic transport, fluid permeation, etc. Modeling percolation in highly-branched media requires the use of numerical solutions, as problems can…

化学物理 · 物理学 2019-04-09 Asghar Aryanfar , William A. Goddard , Jaime Marian

We consider the local broadcasting problem in the SINR model, which is a basic primitive for gathering initial information among $n$ wireless nodes. Assuming that nodes can measure received power, we achieve an essentially optimal constant…

网络与互联网体系结构 · 计算机科学 2012-10-18 Magnus M. Halldorsson , Pradipta Mitra

Analog, low-voltage electronics show great promise in producing silicon neurons (SiNs) with unprecedented levels of energy efficiency. Yet, their inherently high susceptibility to process, voltage and temperature (PVT) variations, and noise…

神经元与认知 · 定量生物学 2021-12-30 Tai Miyazaki Kirby , Luka Ribar , Rodolphe Sepulchre

In previous articles we have investigated the firing properties of the standard Hodgkin-Huxley (HH) systems of ordinary and partial differential equations in response to input currents composed of a drift (mean) and additive Gaussian white…

神经元与认知 · 定量生物学 2015-06-04 Henry C. Tuckwell , Jürgen Jost

Continuous-time Hopfield network has been an important focus of research area since 1980s whose applications vary from image restoration to combinatorial optimization from control engineering to associative memory systems. On the other…

数据分析、统计与概率 · 物理学 2009-03-17 Zekeriya Uykan

We investigate a spatial random graph model whose vertices are given as a marked Poisson process on $\mathbb{R}^d$. Edges are inserted between any pair of points independently with probability depending on the spatial displacement of the…

概率论 · 数学 2025-03-25 Matthew Dickson , Markus Heydenreich

In this work, we characterize the outage probability (OP) of an intelligent reflecting surface (IRS) assisted multi-user multiple-input-single-output (MU-MISO) communication system. Using a two-step approximation method, we approximate the…

信息论 · 计算机科学 2022-08-09 Lakshmi Jayalal , Shashank Shekhar , Athira Subhash , Sheetal Kalyani

Motivated by an application in wireless telecommunication networks, we consider a two-type continuum-percolation problem involving a homogeneous Poisson point process of users and a stationary and ergodic point process of base stations.…

概率论 · 数学 2015-02-19 Christian Hirsch

In this paper, we consider a vehicular network in which the wireless nodes are located on a system of roads. We model the roadways, which are predominantly straight and randomly oriented, by a Poisson line process (PLP) and the locations of…

信息论 · 计算机科学 2017-09-26 Vishnu Vardhan Chetlur , Harpreet S. Dhillon

We present a mathematical model for communication subject to both network interference and noise. We introduce a framework where the interferers are scattered according to a spatial Poisson process, and are operating asynchronously in a…

信息论 · 计算机科学 2016-11-17 Pedro C. Pinto , Moe Z. Win

The secrecy graph is a random geometric graph which is intended to model the connectivity of wireless networks under secrecy constraints. Directed edges in the graph are present whenever a node can talk to another node securely in the…

概率论 · 数学 2012-08-15 Amites Sarkar , Martin Haenggi

We present an exact mathematical framework able to describe site-percolation transitions in real multiplex networks. Specifically, we consider the average percolation diagram valid over an infinite number of random configurations where…

物理与社会 · 物理学 2016-12-21 Ginestra Bianconi , Filippo Radicchi

An accurate, closed-form expression evaluating the nonlinear interference (NLI) power in coherent optical transmission systems in the presence of inter-channel stimulated Raman scattering (ISRS) is derived. The analytical result enables a…

信号处理 · 电气工程与系统科学 2019-05-22 Daniel Semrau , Robert I. Killey , Polina Bayvel

Joint detection and decoding (JDD) achieves rates based on information theory but is too complex to implement for many channels with memory or nonlinearities. Successive interference cancellation (SIC) at the receiver, combined with…

信息论 · 计算机科学 2025-01-15 Alex Jäger , Gerhard Kramer