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The increasing demand for spectral and energy efficient communication networks has spurred a great interest in energy harvesting (EH) cognitive radio networks (CRNs). Such a revolutionary technology represents a paradigm shift in the…

Information Theory · Computer Science 2016-11-15 Lina Mohjazi , Mehrdad Dianati , George K. Karagiannidis , Sami Muhaidat , Mahmoud Al-Qutayri

A new two layer hierarchical routing protocol called Cluster Based Hierarchical Routing Protocol (CBHRP) is proposed in this paper. It is an extension of LEACH routing protocol. We introduce cluster head-set idea for cluster-based routing…

Networking and Internet Architecture · Computer Science 2012-07-18 M. G. Rashed , M. Hasnat Kabir , M. Sajjadur Rahim , Sk. Enayet Ullah

Cognitive radio networks (CRNs) are considered a promising solution for spectrum resources scarcity and efficient channel utilization. In this letter, multi-dimensional analytical Markov model based on reservation channel access scheme and…

Signal Processing · Electrical Eng. & Systems 2019-12-30 Ahmed T. El-Toukhy , Huseyin Arslan

Multicast routing is considered as one of the most important process in Mobile Ad hoc Networks (MANETs) to enable video sharing and data dissemination. Multicast routing can be used without any difficulties if a medium can be accessed by…

Networking and Internet Architecture · Computer Science 2016-06-01 Mustafa Mahdi Ali

This paper presents an approach towards disaster management based on cognitive radio ad hoc network. Despite the growing interests on cognitive radio ad hoc networks, not much work has been reported on using them for disaster management.…

Networking and Internet Architecture · Computer Science 2017-10-09 Noman Islam , Ghazala Shafi Shaikh

Cognitive radio (CR) technology is regarded as a promising solution to the spectrum scarcity problem. Due to the spectrum varying nature of CR networks, unlicensed users are required to perform spectrum handoffs when licensed users reuse…

Information Theory · Computer Science 2011-05-05 Yi Song , Jiang Xie

This paper presents an effective algorithm for selecting cluster heads in mobile ad hoc networks using ant colony optimization. A cluster in an ad hoc network consists of a cluster head and cluster members which are at one hop away from the…

Networking and Internet Architecture · Computer Science 2011-11-29 Amritha Sampath , Tripti. C , Sabu M. Thampi

Cognitive Radio Networks (CRN) have enabled us to efficiently reuse the underutilized radio spectrum. The MAC protocol in CRN defines the spectrum usage by sharing the channels efficiently among users. In this paper we propose a novel TDMA…

Networking and Internet Architecture · Computer Science 2013-01-18 Rajeev K. Shakya , Satyam Agarwal , Y. N. Singh , Nishchal K. Verma , Amitabha Roy

Cognitive Radio (CR) operates in different fields as varied, one of these is cognitive radio networks. In this paper, we propose a new approach used CR, which aims to manage potential failures of computer systems and applications through…

Networking and Internet Architecture · Computer Science 2014-04-23 Mohammed Zakarya Baba-Ahmed , Badr Benmammar , Fethi Tarik Bendimerad

Explosive growth in the use of smart wireless devices has necessitated the provision of higher data rates and always-on connectivity, which are the main motivators for designing the fifth generation (5G) systems. To achieve higher system…

Networking and Internet Architecture · Computer Science 2016-08-31 Sahar Imtiaz , Hadi Ghauch , M. Mahboob Ur Rahman , George Koudouridis , James Gross

Cognitive radio (CR) technology enables an intelligent wireless communication system. CR provides an efficient solution for the inefficient spectrum utilization by allowing dynamic and opportunistic spectrum access. In designing CR…

Networking and Internet Architecture · Computer Science 2016-05-18 R. Z. Abu Samra , H. A. Bany salameh

Ad Hoc networks with multi-hop topology are widely used in military and civilian applications. One challenge for Ad Hoc networks is to design efficient Media Access Control (MAC) protocols to ensure the quality of service (QoS). In Ad Hoc…

Networking and Internet Architecture · Computer Science 2023-05-01 Ze Liu , Bo Li , Mao Yang , ZhongJiang Yan

Cognitive radio (CR) technology is a promising solution to enhance the spectrum utilization by enabling unlicensed users to exploit the spectrum in an opportunistic manner. Since unlicensed users are temporary visitors to the licensed…

Information Theory · Computer Science 2011-05-03 Yi Song , Jiang Xie

Content-Centric Networking (CCN) research addresses the mismatch between the modern usage of the Internet and its outdated architecture. Importantly, CCN routers may locally cache frequently requested content in order to speed up delivery…

Artificial Intelligence · Computer Science 2016-10-14 Harald Beck , Bruno Bierbaumer , Minh Dao-Tran , Thomas Eiter , Hermann Hellwagner , Konstantin Schekotihin

Featured by centralized processing and cloud based infrastructure, Cloud Radio Access Network (C-RAN) is a promising solution to achieve an unprecedented system capacity in future wireless cellular networks. The huge capacity gain mainly…

Information Theory · Computer Science 2014-12-30 Congmin Fan , Ying Jun Zhang , Xiaojun Yuan

Nowadays, It has been shown that spectrum scarcity increased due to tremendous growth of new players in wireless base system by the evolution of the radio communication. Resent survey found that there are many areas of the radio spectrum…

Networking and Internet Architecture · Computer Science 2010-07-15 Santosh Kumar Singh , Krishna Chandra Roy , Vibhakar Pathak

A critical need in Mobile Wireless Sensor Network (MWSN) is to achieve energy efficiency during routing as the sensor nodes have scarce energy resource. The nodes' mobility in MWSN poses a challenge to design an energy efficient routing…

Networking and Internet Architecture · Computer Science 2010-11-25 Getsy S. Sara , Kalaiarasi. R , Neelavathy Pari. S , Sridharan . D

In this paper, we present a survey on the utility of machine learning (ML) algorithms for applications in cognitive radio networks (CRN). We start with a high-level overview of some of the major challenges in CRNs, and mention the ML…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Akshay Upadhye , Purushothaman Saravanan , Shreeram Suresh Chandra , Sanjeev Gurugopinath

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

In this paper, we develop a resource allocation framework to optimize the downlink transmission of a backhaul-aware multi-cell cognitive radio network (CRN) which is enabled with multi-carrier non-orthogonal multiple access (MC-NOMA). The…

Signal Processing · Electrical Eng. & Systems 2021-06-09 Hosein Zarini , Ata Khalili , Hina Tabassum , Mehdi Rasti