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Design of an adaptive CRSN using OFDM

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Abstract

Cognitive Radio (CR) is a novel concept that enables wireless devices to detect and adapt to their surroundings in order to enhance communication quality. The cognitive radio sensor network (CRSN) has proved to be a cost-effective solution for the spectrum constraints in wireless sensor networks (WSN). Optimizing the optimum packet size is regarded to be an essential energy constrained issue to address the practical implementation of CRSN out of all the difficulties. Small packets generate data traffic in device-to-device communication, while big packets may cause data bit corruption, requiring retransmission at a greater frequency. This will not allow access from the secondary network to the main network, since it may cause further disturbance. To maximise the WSN's energy efficiency, the optimum packet size for CRSN should be maintained while keeping the same degree of interference as the primary licenced users. The purpose of this article is to examine formulations for small, medium, and large packet sizes in order to determine the optimum packet size for adaptive CRSN. To do so, CR requires a flexible physical layer capable of carrying out the necessary tasks. This article examines the performance of CR systems that use the Orthogonal Frequency Division Multiplexing technique, which is a possible transmission technology for CR. Interference and delays are minimised and the channels are ultimately utilised effectively through Scheduling MAC protocol. This article gives the design steps to adjust the network design to get the better performance. For achieving the greatest performance on the Cognitive Radio Sensor Network (CRSN). The Jellyfish Search Optimization algorithm and the hybrid Momentum Search Algorithm are hybridized and results are achieved. This makes it possible to calculate precise packet sizes. The suggested approach decision outperforms existing methods like the Group Sparse Optimization algorithm and the Throughput Maximization Algorithm. The MATLAB/SIMULINK Platform were used to get the results.

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Data availability

Data analyzed in this study were a re-analysis of existing data, which are openly available at locations cited in the reference section.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Paavai Engineering College, Namakkal, Tamil Nadu, 637 018, India

    Ravishankar Kandasamy

  2. Department of Electronics and Communication Engineering, Sona College of Technology, Salem, Tamil Nadu, 636 005, India

    G. Ravi

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Kandasamy, R., Ravi, G. Design of an adaptive CRSN using OFDM. Wireless Netw 28, 3549–3562 (2022). https://doi.org/10.1007/s11276-022-03079-6

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