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This paper investigate joint scheduling and power control for V2V multicast allowing multihop communication. The effects of both co-channel interference and adjacent channel interference are considered. First, we solve the problem with the…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Anver Hisham , Erik G. Ström , Fredrik Brännström

Cognitive radio technology offers an important function in the efficient utilization of the radio spectrum. Besides, it is expected that CR-enabled vehicular ad-hoc networks (CR-VANETs) enrich the communication performance of the existing…

Networking and Internet Architecture · Computer Science 2020-05-05 Sharmin Akter , Nafees Mansoor

While millimeter wave (mmWave) communications promise high data rates, their sensitivity to blockage and severe signal attenuation presents challenges in their deployment in urban settings. To overcome these effects, we consider a…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Anastasios Dimas , Dionysios S. Kalogerias , Athina P. Petropulu

The performance of a dual-hop MIMO relay network is studied in this paper. The relay is assumed to have access to the statistical channel state information of its preceding and following channels and it is assumed that fading at the…

Information Theory · Computer Science 2015-05-26 Mehdi M. Molu , Alister Burr , Norbert Goertz

In this paper, we consider the problem of an adversary aiming to learn information about the network topology or the executed algorithm from some signals obtained during the algorithm's execution. The problem is defined in a very general…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-11-21 Marek Klonowski , Mateusz Marciniak

This paper considers secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. We study the design of resource allocation algorithms minimizing the…

Information Theory · Computer Science 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

In this paper, we present a distributed resource allocation mechanism in cognitive radio networks, based on a new coopeti-tion methodology, which combines advantages of nodes competition and cooperation. We postulate that this new method…

Networking and Internet Architecture · Computer Science 2021-06-10 Marcin Parzy , Hanna Bogucka

We investigate the fundamental limits of reliable communication over multi-view channels, in which the channel output is comprised of a large number of independent noisy views of a transmitted symbol. We consider first the setting of…

Information Theory · Computer Science 2024-05-14 V. Arvind Rameshwar , Nir Weinberger

Coexistence by means of shared access is a cognitive radio application. The secondary user models the slotted primary users channel access as a Markov process. The model parameters, i.e, the state transition probabilities (alpha,beta) help…

Information Theory · Computer Science 2014-02-21 Ankit Kaushik , Friedrich K. Jondral

The objective of this analysis was to simulate the performance of three different ad-hoc protocols for disruption-tolerant networking (DTN) - i.e. the transfer of information through a network of nodes in contexts prone to signal…

Networking and Internet Architecture · Computer Science 2020-09-10 Caitlyn A. K. Singam

In this study, we investigate the under-explored intervention planning aimed at disseminating accurate information within dynamic opinion networks by leveraging learning strategies. Intervention planning involves identifying key nodes…

Machine Learning · Computer Science 2024-11-05 Bharath Muppasani , Protik Nag , Vignesh Narayanan , Biplav Srivastava , Michael N. Huhns

In this paper, we study the problem of resilient consensus for a multi-agent network where some of the nodes might be adversarial, attempting to prevent consensus by transmitting faulty values. Our approach is based on that of the so-called…

Multiagent Systems · Computer Science 2022-01-11 Liwei Yuan , Hideaki Ishii

In this paper we analyze a cognitive radio network with one primary and one secondary transmitter, in which the primary transmitter has bursty arrivals while the secondary node is assumed to be saturated (i.e. always has a packet waiting to…

Networking and Internet Architecture · Computer Science 2015-06-15 Nikolaos Pappas , Marios Kountouris

This paper addresses the challenge of efficient rendezvous in multihop cognitive radio networks, where existing channel-hopping algorithms designed for single-hop scenarios incur increased delay and coordination inefficiencies in multinode…

Networking and Internet Architecture · Computer Science 2026-05-19 Zahid Ali , Saritha Unnikrishnan , Eoghan Furey , Ian McLoughlin , Saim Ghafoor

Supporting the quality of service of unlicensed users in cognitive radio networks is very challenging, mainly due to dynamic resource availability because of the licensed users' activities. In this paper, we study the optimal admission…

Systems and Control · Computer Science 2012-01-17 Feng Wang , Jianwei Huang , Yuping Zhao

The design of medium access control protocols for a cognitive user wishing to opportunistically exploit frequency bands within parts of the radio spectrum having multiple bands is considered. In the scenario under consideration, the…

Information Theory · Computer Science 2016-11-17 Lifeng Lai , Hesham El Gamal , Hai Jiang , H. Vincent Poor

This paper proposes a distributed multiple relay selection scheme to maximize the satisfaction experiences of unmanned aerial vehicles (UAV) communication networks. The multi-radio and multi-channel (MRMC) UAV communication system is…

Networking and Internet Architecture · Computer Science 2018-05-23 Dianxiong Liu , Yuhua Xu , Yitao Xu , Qihui Wu , Jianjun Jing , Yuanhui Zhang , Alagan Anpalagan

In this paper, we present a method for jointly-learning a microphone selection mechanism and a speech enhancement network for multi-channel speech enhancement with an ad-hoc microphone array. The attention-based microphone selection…

Sound · Computer Science 2021-04-22 Jonah Casebeer , Jamshed Kaikaus , Paris Smaragdis

Cognitive radio networks (CRNs) are acknowledged for their ability to tackle the issue of spectrum under-utilization. In the realm of CRNs, this paper investigates the energy efficiency issue and addresses the critical challenge of…

Emerging Technologies · Computer Science 2025-07-10 Deemah H. Tashman , Soumaya Cherkaoui , Walaa Hamouda

We consider message and time efficient broadcasting and multi-broadcasting in wireless ad-hoc networks, where a subset of nodes, each with a unique rumor, wish to broadcast their rumors to all destinations while minimizing the total number…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-10-21 Liron Levin , Dariusz R. Kowalski , Michael Segal