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Mobile users in an ultra-dense millimeter-wave cellular network experience handover events more frequently than in conventional networks, which results in increased service interruption time and performance degradation due to blockages.…

Networking and Internet Architecture · Computer Science 2021-07-12 Seongjoon Kang , Siyoung Choi , Goodsol Lee , Saewoong Bahk

The sixth-generation (6G) of wireless communication networks aims to leverage artificial intelligence tools for efficient and robust network optimization. This is especially the case since traditional optimization methods often face high…

Information Theory · Computer Science 2026-02-09 Anh Thi Bui , Robert-Jeron Reifert , Hayssam Dahrouj , Aydin Sezgin

The multicast capacity of the Gaussian two-hop relay network with one source, $N$ relays, and $L$ destinations is studied. It is shown that a careful modification of the partial decode--forward coding scheme, whereby the relays cooperate…

Information Theory · Computer Science 2015-08-04 Jing Li , Young-Han Kim

In unmanned aerial vehicle (UAV) networks, high-capacity data transmission is of utmost importance for applications such as intelligent transportation, smart cities, and forest monitoring, which rely on the mobility of UAVs to collect and…

Networking and Internet Architecture · Computer Science 2023-08-15 Yingying Zou , Zhiqing Wei , Yanpeng Cui , Xinyi Liu , Zhiyong Feng

Coded caching is an effective technique to reduce the redundant traffic in wireless networks. The existing coded caching schemes require the splitting of files into a possibly large number of subfiles, i.e., they perform coded subfile…

Information Theory · Computer Science 2019-02-06 Seyed Ali Saberali , Lutz Lampe , Ian Blake

Future generation wireless networks are designed with extremely low delay requirements which makes even small contributed delays important. On the other hand, software defined networking (SDN) has been introduced as a key enabler of future…

Networking and Internet Architecture · Computer Science 2021-06-15 Seyed Hamed Rastegar , Aliazam Abbasfar , Vahid Shah-Mansouri

Drone base stations (DBSs) can enhance network coverage and area capacity by moving supply towards demand when required. This degree of freedom could be especially useful for future applications with extreme demands, such as ultra reliable…

Networking and Internet Architecture · Computer Science 2017-09-22 Elham Kalantari , Irem Bor-Yaliniz , Abbas Yongacoglu , Halim Yanikomeroglu

Heterogeneous ultra-dense network (H-UDN) is envisioned as a promising solution to sustain the explosive mobile traffic demand through network densification. By placing access points, processors, and storage units as close as possible to…

Information Theory · Computer Science 2018-08-15 Congmin Fan , Ying-Jun Angela Zhang , Xiaojun Yuan

Wireless systems that carry delay-sensitive information (such as speech and/or video signals) typically transmit with fixed data rates, but may occasionally suffer from transmission outages caused by the random nature of the fading…

Information Theory · Computer Science 2014-04-01 Zoran Hadzi-Velkov , Nikola Zlatanov , Robert Schober

Various sectors are likely to carry a set of emerging applications while targeting a reliable communication with low latency transmission. To address this issue, upon a spectrally-efficient transmission, this paper investigates the…

Signal Processing · Electrical Eng. & Systems 2018-04-11 Fatima Ezzahra Airod , Houda Chafnaji , Ahmed Tamtaoui

Ultra-reliability and low-latency are pivotal requirements of the new 6th generation of communication systems (xURLLC). Over the past years, to increase throughput, adaptive active antennas were introduced in advanced wireless…

In an ultra-dense cloud radio access network (UD-CRAN), a large number of remote radio heads (RRHs), typically employed as simple relay nodes, are distributed in a target area, which could even outnumber their served users. However, one…

Information Theory · Computer Science 2017-06-06 Reuben George Stephen , Rui Zhang

In this paper, a two-hop network in which information is transmitted from a source via a relay to a destination is considered. It is assumed that the channels are static fading with additive white Gaussian noise. All nodes are equipped with…

Information Theory · Computer Science 2009-05-18 Vahid Pourahmadi , Alireza Bayesteh , Amir K. Khandani

This study investigates the problem of communication for a network composed of two half-duplex parallel relays with additive white Gaussian noise. Two protocols, i.e., \emph{Simultaneous} and \emph{Successive} relaying, associated with two…

Information Theory · Computer Science 2016-11-17 Seyed Saeed Changiz Rezaei , Shahab Oveis Gharan , Amir K. Khandani

Delay tolerant network (DTN) is opportunistic network where each node searches best opportunity to deliver the message called bundle to the destination. DTN implements a store and forward message switching system by simply introducing…

Networking and Internet Architecture · Computer Science 2013-02-26 R. S. Mangrulkar , Dr. Mohammad Atique

We study the throughput and delay characteristics of wireless caching networks, where users are mainly interested in retrieving content stored in the network, rather than in maintaining source-destination communication. Nodes are assumed to…

Networking and Internet Architecture · Computer Science 2017-04-25 Milad Mahdian , Edmund Yeh

"Amplify and Forward" and "Decode and Forward" are the two main relaying functions that have been proposed since the advent of cooperative communication. "\textit{Soft} Decode and Forward" is a recently introduced relaying principle that is…

Information Theory · Computer Science 2012-02-10 Mehdi M. Molu , Norbert Goertz

We present a resilient deep neural network (DNN) framework for decentralized transport and coverage using uncrewed aerial systems (UAS) operating in $\mathbb{R}^n$. The proposed DNN-based mass-transport architecture constructs a layered…

Systems and Control · Electrical Eng. & Systems 2025-12-09 Muhammad Junayed Hasan Zahed , Hossein Rastgoftar

This paper considers the problem of selecting a subset of nodes in a two-hop wireless network to act as relays in aiding the communication between the source-destination pair. Optimal relay subset selection with the objective of maximizing…

Information Theory · Computer Science 2008-05-23 Caleb K. Lo , Sriram Vishwanath , Robert W. Heath

In this paper, we study the coding delay and the average coding delay of random linear network codes (dense codes) over line networks with deterministic regular and Poisson transmission schedules. We consider both lossless networks and…

Information Theory · Computer Science 2012-02-03 Anoosheh Heidarzadeh , Amir H. Banihashemi