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In this paper, we present a deep learning (DL) algorithm for channel estimation in communication systems. We consider the time-frequency response of a fast fading communication channel as a two-dimensional image. The aim is to find the…

Information Theory · Computer Science 2019-02-20 Mehran Soltani , Vahid Pourahmadi , Ali Mirzaei , Hamid Sheikhzadeh

Radio wave propagation simulations based on the ray-optical approximation have been widely adopted in coverage analysis for a range of situations, including the outdoor-to-indoor scenario. This work presents O2I ray-tracing simulations…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Pasi Koivumäki , Aki Karttunen , Katsuyuki Haneda

We study the ergodic capacity of a frequency-selective Rayleigh fading channel with correlated scattering, which finds application in the area of UWB. Under an average power constraint, we consider a single-user, single-antenna…

Information Theory · Computer Science 2016-11-17 Martin Mittelbach , Christian Mueller , Konrad Schubert

In this paper, we study the problem of continuous-time state observation over lossy communication networks. We consider the situation in which the samplers for measuring the output of the plant are spatially distributed and their…

Systems and Control · Computer Science 2018-10-02 Toshihide Tadenuma , Masaki Ogura , Kenji Sugimoto

This paper addresses the critical challenge of supporting next-generation ultra-reliable and low-latency communication (xURLLC) within integrated sensing and communication (ISAC)-enabled vehicle-to-infrastructure (V2I) networks. We…

Information Theory · Computer Science 2024-08-02 Yanxi Zhang , Mingwu Yao , Qinghai Yang , Dongqi Yan , Xu Zhang , Xu Bao , Muyu Mei

We investigate the performance of a downlink ultra-dense network (UDN) with directional transmissions via stochastic geometry. Considering the dual-slope path loss model and sectored beamforming pattern, we derive the expressions and…

Information Theory · Computer Science 2019-12-30 Yining Xu , Sheng Zhou

A network consisting of $n$ source-destination pairs and $m$ relays is considered. Focusing on the large system limit (large $n$), the throughput scaling laws of two-hop relaying protocols are studied for Rayleigh fading channels. It is…

Information Theory · Computer Science 2008-04-29 Shengshan Cui , Alexander M. Haimovich , Oren Somekh , H. Vincent Poor

Accurate spatial prediction of cellular traffic demand is essential for 5G NR capacity planning, network densification, and data-driven 6G planning. Although machine learning can fuse heterogeneous geospatial and socio-economic layers to…

Machine Learning · Computer Science 2026-03-12 Mohamad Alkadamani , Colin Brown , Halim Yanikomeroglu

Channel state information (CSI) is crucial for achieving ultra-reliable low-latency communication (URLLC) in wireless networks. The main associated problems are the CSI acquisition time, which impacts the delay requirements of time-critical…

Networking and Internet Architecture · Computer Science 2023-08-10 Dian Echevarría Pérez , Onel L. Alcaraz López , Hirley Alves

Outage probability and capacity of a class of block-fading MIMO channels are considered with partial channel distribution information. Specifically, the channel or its distribution are not known but the latter is known to belong to a class…

Information Theory · Computer Science 2015-03-18 Ioanna Ioannou , Charalambos D. Charalambous , Sergey Loyka

Stochastic geometry models are used to study wireless networks, particularly cellular phone networks, but most of the research focuses on the typical user, often ignoring atypical events, which can be highly disruptive and of interest to…

Networking and Internet Architecture · Computer Science 2017-12-22 H. Paul Keeler , Benedikt Jahnel , Oliver Maye , Marcin Brzozowski , Daniel Aschenbach

We address a decentralized wireless communication network with a fixed number $u$ of frequency sub-bands to be shared among $N$ transmitter-receiver pairs. It is assumed that the number of users $N$ is a random variable with a given…

Information Theory · Computer Science 2009-12-01 Kamyar Moshksar , Alireza Bayesteh , Amir K. Khandani

We propose a numerically efficient method for evaluating the random-coding union bound with parameter $s$ on the error probability achievable in the finite-blocklength regime by a pilot-assisted transmission scheme employing Gaussian…

Information Theory · Computer Science 2023-08-21 A. Oguz Kislal , Alejandro Lancho , Giuseppe Durisi , Erik Ström

When dealing with the Internet of Things (IoT), especially industrial IoT (IIoT), two manifest challenges leap to mind. First is the massive amount of data streaming to and from IoT devices, and second is the fast pace at which these…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-04 Maede Zolanvari , Ali Ghubaish , Raj Jain

This paper analyzes Type I hybrid automatic repeat request (HARQ) over time-correlated Rayleigh fading channels. Due to the presence of channel time correlation, the analysis is more challenging than the prior analysis in the literature.…

Information Theory · Computer Science 2022-09-27 Zheng Shi , Shaodan Ma , Kam-Weng Tam

For ultra-reliable, low-latency communications (URLLC) applications such as mission-critical industrial control and extended reality (XR), it is important to ensure the communication quality of individual packets. Prior studies have…

Networking and Internet Architecture · Computer Science 2023-06-21 Zhibo Meng , Hongwei Zhang , James Gross

In this paper, secure transmission of information over fading broadcast channels is studied in the presence of statistical queueing constraints. Effective capacity is employed as a performance metric to identify the secure throughput of the…

Information Theory · Computer Science 2010-12-02 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

This paper investigates the theoretical basis for using ground relaying in multi-antenna satellites exposed to blocking situations. Inactive and unobstructed User Equipments (UEs) located on ground are the relaying nodes of UEs that are not…

Information Theory · Computer Science 2022-12-14 Hadi Hashemi , Beatriz Soret , M. Carmen Aguayo-Torres

The parallel fading channel, which consists of finite number of subchannels, is very important, because it can be used to formulate many practical communication systems. The outage probability, on the other hand, is widely used to analyze…

Information Theory · Computer Science 2013-07-19 Bo Bai , Wei Chen , Khaled B. Letaief , Zhigang Cao

In this work, we evaluate the outage probability (OP) for L-branch equal gain combining (EGC) diversity receivers operating over fading channels, i.e. equivalently the cumulative distribution function (CDF) of the sum of the L channel…

Signal Processing · Electrical Eng. & Systems 2019-03-14 Nadhir Ben Rached , Abla Kammoun , Mohamed-Slim Alouini , Raul Tempone
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