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In this paper, a comprehensive study of the the downlink performance in a heterogeneous cellular network (or hetnet) is conducted. A general hetnet model is considered consisting of an arbitrary number of open-access and closed-access tier…

信息论 · 计算机科学 2014-04-01 Prasanna Madhusudhanan , Juan G. Restrepo , Youjian , Liu , Timothy X Brown

This work characterises the effect of mutual interference in a planar network of pulsed-radar devices. Using stochastic geometry tools and a strongest interferer approximation, we derive simple closed-form expressions that pinpoint the role…

网络与互联网体系结构 · 计算机科学 2018-09-10 Andrea Munari , Ljiljana Simić , Marina Petrova

In this paper, we analyze the signal-to-interference-plus-noise ratio (SINR) performance at a mobile station (MS) in a random cellular network. The cellular network is formed by base-stations (BSs) placed in a one, two or three dimensional…

信息论 · 计算机科学 2015-03-13 Prasanna Madhusudhanan , Juan G. Restrepo , Youjian Liu , Timothy X Brown , Kenneth R. Baker

Stochastic-gradient sampling methods are often used to perform Bayesian inference on neural networks. It has been observed that the methods in which notions of differential geometry are included tend to have better performances, with the…

机器学习 · 计算机科学 2024-04-02 Hanlin Yu , Marcelo Hartmann , Bernardo Williams , Arto Klami

This paper presents a new approach for filter design based on stochastic distances and tests between distributions. A window is defined around each pixel, overlapping samples are compared and only those which pass a goodness-of-fit test are…

信息论 · 计算机科学 2013-08-30 Leonardo Torres , Tamer Cavalcante , Alejandro C. Frery

The growing demand for aerial connectivity with unmanned aerial vehicles (UAVs) across diverse settings, ranging from urban to rural scenarios, requires developing a better understanding of spectrum occupancy at aerial corridors. In…

信号处理 · 电气工程与系统科学 2024-11-12 Sung Joon Maeng , Ismail Guvenc

This paper examines Bayesian belief network inference using simulation as a method for computing the posterior probabilities of network variables. Specifically, it examines the use of a method described by Henrion, called logic sampling,…

人工智能 · 计算机科学 2013-04-11 Homer L. Chin , Gregory F. Cooper

Wireless cellular networks evolve towards a heterogeneous infrastructure, featuring multiple types of Base Stations (BSs), such as Femto BSs (FBSs) and Macro BSs (MBSs). A wireless device observes multiple points (BSs) through which it can…

网络与互联网体系结构 · 计算机科学 2016-11-17 Katerina Smiljkovikj , Petar Popovski , Liljana Gavrilovska

This letter studies the performance of a single gateway LoRa system in the presence of different interference considering the imperfect orthogonality effect. It utilizes concepts of stochastic geometry to present a low-complexity…

网络与互联网体系结构 · 计算机科学 2020-11-03 Qahhar Muhammad Qadir

In this paper, we analyze the performance of cellular networks and study the optimal base station (BS) density to reduce the network power consumption. In contrast to previous works with similar purpose, we consider Poisson traffic for…

信息论 · 计算机科学 2015-06-24 Zheng Chen , Ling Qiu

We present a general framework for the characterization of the packet error probability achievable in cell-free Massive multiple-input multiple output (MIMO) architectures deployed to support ultra-reliable low-latency (URLLC) traffic. The…

信息论 · 计算机科学 2023-04-17 Alejandro Lancho , Giuseppe Durisi , Luca Sanguinetti

This paper provides an analytical framework to characterize the performance of Heterogeneous Networks (HetNets), where the positions of base stations and users are modeled by spatial Poisson Point Processes (stochastic geometry). We have…

网络与互联网体系结构 · 计算机科学 2017-12-15 Giovanni Giambene , Van Anh Le

This work introduces a highly scalable spectral graph densification framework for learning resistor networks with linear measurements, such as node voltages and currents. We prove that given $O(\log N)$ pairs of voltage and current…

机器学习 · 计算机科学 2021-04-19 Zhuo Feng

In this paper, we propose a unified framework to analyze the performance of dense small cell networks (SCNs) in terms of the coverage probability and the area spectral efficiency (ASE). In our analysis, we consider a practical path loss…

网络与互联网体系结构 · 计算机科学 2017-02-17 Bin Yang , Ming Ding , Guoqiang Mao , Xiaohu Ge

A recent way to model and analyze downlink cellular networks is by using random spatial models. Assuming user equipment (UE) distribution to be uniform, the analysis is performed at a typical UE located at the origin. While this method of…

信息论 · 计算机科学 2016-11-17 Harpreet S. Dhillon , Radha Krishna Ganti , Jeffrey G. Andrews

Using unmanned aerial vehicles (UAVs) to enhance network coverage has proven a variety of benefits compared to terrestrial counterparts. One of the commonly used mathematical tools to model the locations of the UAVs is stochastic geometry…

网络与互联网体系结构 · 计算机科学 2023-01-04 Ruibo Wang , Mustafa A. Kishk , Mohamed-Slim Alouini

In recent years, network models have gained prominence for their ability to capture complex associations. In statistical omics, networks can be used to model and study the functional relationships between genes, proteins, and other types of…

统计方法学 · 统计学 2023-06-21 Camilla Lingjærde , Sylvia Richardson

Inter-cell interference coordination (ICIC) and intra-cell diversity (ICD) play important roles in improving cellular downlink coverage. Modeling cellular base stations (BSs) as a homogeneous Poisson point process (PPP), this paper provides…

信息论 · 计算机科学 2015-03-17 Xinchen Zhang , Martin Haenggi

This letter proposes the use of saddle point approximation (SPA) to evaluate the outage probability of wireless cellular networks. Unlike traditional numerical integration-based approaches, the SPA approach relies on cumulant generating…

信息论 · 计算机科学 2016-11-17 Sudarshan Guruacharya , Hina Tabassum , Ekram Hossain

Existing cellular network analyses, and even simulations, typically use the standard path loss model where received power decays like $\|x\|^{-\alpha}$ over a distance $\|x\|$. This standard path loss model is quite idealized, and in most…

信息论 · 计算机科学 2015-03-17 Xinchen Zhang , Jeffrey G. Andrews