scholarly journals Cognitive Radio Based Sensor Network in Smart Grid: Architectures, Applications and Communication Technologies

IEEE Access ◽  
2017 ◽  
Vol 5 ◽  
pp. 19084-19098 ◽  
Author(s):  
Emmanuel U. Ogbodo ◽  
David Dorrell ◽  
Adnan M. Abu-Mahfouz
Keyword(s):  
Cognitive Radio ◽  
Smart Grid ◽  
Sensor Network ◽  
Communication Technologies

scholarly journals A Review of Cognitive Radio Smart Grid Communication Infrastructure Systems

Energies ◽  
2020 ◽  
Vol 13 (12) ◽  
pp. 3245
Author(s):  
Daisy Nkele Molokomme ◽  
Chabalala S. Chabalala ◽  
Pitshou N. Bokoro
Keyword(s):  
Cognitive Radio ◽  
Smart Grid ◽  
Information And Communication Technologies ◽  
Communication Systems ◽  
Fog Computing ◽  
Communication Technologies ◽  
Smart Devices ◽  
Sensitive Information ◽  
Hybrid Architecture ◽  
Communication Architecture

The cognitive smart grid (SG) communication paradigm aims to mitigate quality of service (QoS) issues in obsolete communication architecture associated with the conventional electrical grid. This paradigm entails the integration of advanced information and communication technologies (ICTs) into power grids, enabling a two-way flow of information. However, due to the exponential increase in wireless applications and services, also driven by the deployment of the Internet of Things (IoT) smart devices, SG communication systems are expected to handle large volumes of data. As a result, the operation of SG networks is confronted with the major challenge of managing and processing data in a reliable and secure manner. The existing works in the literature proposed architectures with the objective to mitigate the underlying QoS issues such as latency, bandwidth, data congestion, energy efficiency, etc. In addition, a variety of communication technologies have been analyzed for their capacity to support stringent QoS requirements for diverse SGs environments. This notwithstanding, a standard architecture designed to mitigate the aforementioned issues for SG networks remains a work-in-progress. The main objective of this paper is to investigate the emerging technologies such as cognitive radio networks (CRNs) as part of the Fifth-Generation (5G) mobile technology for reliable communication in SG networks. Furthermore, a hybrid architecture based on the combination of fog computing and cloud computing is proposed. In this architecture, real-time latency-sensitive information is given high priority, with fog edge based servers deployed in close proximity to home area networks (HANs) for preprocessing and analyzing of information collected from smart IoT devices. In comparison to the recent works in the literature, which are mainly based on CRNs and 5G separately, the proposed architecture in this paper incorporates the combination of CRNs and 5G for reliable and efficient communication in SG networks.

scholarly journals Energy-efficient distributed heterogeneous clustered spectrum-aware cognitive radio sensor network for guaranteed quality of service in smart grid

2021 ◽  
Vol 17 (7) ◽  
pp. 155014772110283
Author(s):  
Emmanuel Ogbodo ◽  
David Dorrell ◽  
Adnan Abu-Mahfouz
Keyword(s):  
Quality Of Service ◽  
Cognitive Radio ◽  
Sensor Networks ◽  
Smart Grid ◽  
Sensor Network ◽  
Smart Grids ◽  
Cognitive Radio Sensor Networks ◽  
Cognitive Radio Sensor Network ◽  
Guaranteed Quality

The development of a modern electric power grid has triggered the need for large-scale monitoring and communication in smart grids for efficient grid automation. This has led to the development of smart grids, which utilize cognitive radio sensor networks, which are combinations of cognitive radios and wireless sensor networks. Cognitive radio sensor networks can overcome spectrum limitations and interference challenges. The implementation of dense cognitive radio sensor networks, based on the specific topology of smart grids, is one of the critical issues for guaranteed quality of service through a communication network. In this article, various topologies of ZigBee cognitive radio sensor networks are investigated. Suitable topologies with energy-efficient spectrum-aware algorithms of ZigBee cognitive radio sensor networks in smart grids are proposed. The performance of the proposed ZigBee cognitive radio sensor network model with its control algorithms is analyzed and compared with existing ZigBee sensor network topologies within the smart grid environment. The quality of service metrics used for evaluating the performance are the end-to-end delay, bit error rate, and energy consumption. The simulation results confirm that the proposed topology model is preferable for sensor network deployment in smart grids based on reduced bit error rate, end-to-end delay (latency), and energy consumption. Smart grid applications require prompt, reliable, and efficient communication with low latency. Hence, the proposed topology model supports heterogeneous cognitive radio sensor networks and guarantees network connectivity with spectrum-awareness. Hence, it is suitable for efficient grid automation in cognitive radio sensor network–based smart grids. The traditional model lacks these capability features.

scholarly journals Multi-Radio Based Rendezvous Technique for Heterogeneous Cognitive Radio Sensor Network

Sensors ◽  
2021 ◽  
Vol 21 (9) ◽  
pp. 2997
Author(s):  
Md. Tahidul Islam ◽  
Sithamparanathan Kandeepan ◽  
Robin. J. Evans
Keyword(s):  
Cognitive Radio ◽  
Sensor Network ◽  
Dynamic Network ◽  
Optimal Number ◽  
Matlab Simulation ◽  
Cognitive Radio Sensor Network ◽  
Rendezvous Technique ◽  
Central Controller ◽  
Blind Rendezvous ◽  
Analytical Expressions

In a distributed cognitive radio (CR) sensor network, transmission and reception on vacant channels require cognitive radio nodes to achieve rendezvous. Because of the lack of adequate assistance from the network environment, such as the central controller and other nodes, assisted rendezvous for distributed CR is inefficient in a dynamic network. As a result, non-assisted blind rendezvous, which is unaware of its counterpart node, has recently led to a lot of interest in the research arena. In this paper, we study a channel rendezvous method based on prime number theory and propose a new multi-radio-based technique for non-assisted rendezvous with the blind and heterogeneous condition. The required time and the optimal number of radios for the guaranteed rendezvous are calculated using probability-based measurement. Analytical expressions for probabilistic guaranteed rendezvous conditions are derived and verified by Monte Carlo simulation. In addition, the maximum time to rendezvous (MTTR) is derived in closed form using statistical and probabilistic analysis. Under different channel conditions, our proposed solution leads to a substantial time reduction for guaranteed rendezvous. For the sake of over-performance of our proposed system, the simulation outcome is compared to a recently proposed heterogeneous and blind rendezvous method. The Matlab simulation results show that our proposed system’s MTTR gains range from 11% to over 95% for various parametric values of the system model.

Smart grid cyber-physical systems: communication technologies, standards and challenges

2021 ◽  
Author(s):  
A. V. Jha ◽  
B. Appasani ◽  
A. N. Ghazali ◽  
P. Pattanayak ◽  
D. S. Gurjar ◽  
...  
Keyword(s):  
Smart Grid ◽  
Communication Technologies ◽  
Cyber Physical Systems ◽  
Physical Systems
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