Results 31 to 40 of about 216,240 (267)
A survey on cognitive radio network attack mitigation using machine learning and blockchain
EURASIP Journal on Wireless Communications and Networking, 2023 Cognitive radio network is a promising technology to enhance the spectrum utilization and to resolve the spectrum scarcity issues. But the malicious users play havoc with the network during spectrum sensing and demean the network performance.
I. Evelyn Ezhilarasi +2 more
doaj +1 more source
Concurrent Bandits and Cognitive Radio Networks [PDF]
, 2014 We consider the problem of multiple users targeting the arms of a single multi-armed stochastic bandit. The motivation for this problem comes from cognitive radio networks, where selfish users need to coexist without any side communication between them, implicit cooperation or common control.
Orly Avner, Shie Mannor
openaire +2 more sources
Cognitive Wireless Networks Based Spectrum Sensing Strategies: A Comparative Analysis
Applied Computational Intelligence and Soft Computing, 2022 Because of numerous dormant application fields, wireless sensor networks (WSNs) have emerged as an important and novel area in radio and mobile computing research.
Anandakumar Haldorai +3 more
doaj +1 more source
Securing cognitive radio networks
International Journal of Communication Systems, 2010 AbstractCognitive radio is a promising technology aiming to improve the utilization of the radio electromagnetic spectrum. A cognitive radio device uses general purpose computer processors that run radio applications software to perform signal processing.
León Abarca, Olga +2 more
openaire +4 more sources
Survey on Cognitive Radio Green Network with Cross-Layer Technology
Dianxin kexue, 2014 Applications of the cognitive radio technology based on cross-layer in green networks with the aim of saving energy were explored. A variety of key technologies on cognitive radio based on cross-layer protocol in green network were collected and ...
Jiao Wang, Junhui Zhao, Jiajiao Du
doaj +2 more sources
On the Evaluation of Handover Exchange Schemes Between Two Cognitive Radio Base Stations with and without Buffers [PDF]
International Journal of Electronics and Telecommunications, 2018 This article investigates and evaluates a handover exchange scheme between two secondary users (SUs) moving in different directions across the handover region of neighboring cell in a cognitive radio network.
Ebenezer Esenogho +2 more
doaj +1 more source
A Robust and Energy-Efficient Transport Protocol for Cognitive Radio Sensor Networks
Sensors, 2014 A cognitive radio sensor network (CRSN) is a wireless sensor network in which sensor nodes are equipped with cognitive radio. CRSNs benefit from cognitive radio capabilities such as dynamic spectrum access and transmission parameters reconfigurability ...
Shelly Salim, Sangman Moh
doaj +1 more source
Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio [PDF]
, 2013 Cognitive radio offers an increasingly attractive solution to overcome the underutilization problem. A sensor network based cooperative wideband spectrum sensing is proposed in this paper. The purpose of the sensor network is to determine the frequencies
Ammar, M. +4 more
core +2 more sources
An analysis on decentralized adaptive MAC protocols for Cognitive Radio networks [PDF]
, 2012 The scarcity of bandwidth in the radio spectrum has become more vital since the demand for more and more wireless applications has increased. Most of the spectrum bands have been allocated although many studies have shown that these bands are ...
A V Adamis +16 more
core +1 more source
Capacity scaling law by multiuser diversity in cognitive radio systems [PDF]
, 2010 This paper analyzes the multiuser diversity gain in a cognitive radio (CR) system where secondary transmitters opportunistically utilize the spectrum licensed to primary users only when it is not occupied by the primary users.
Choi, Wan, Hong, Jun-pyo
core +1 more source