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PAPR and ISI Reduction in Cognitive Radio Network based 5G Network using Massive MIMO SC – FDMA ES
P Deepanramkumar1, N Jaisankar2

1P. Deepanramkumar, School of Computer Science and Engineering, Vellore Institute of Technology(VIT), Vellore, Tamilnadu, India.
2N. Jaisankar*, School of Computer Science and Engineering, Vellore Institute of Technology(VIT), Vellore, Tamilnadu, India.
Manuscript received on September 23, 2019. | Revised Manuscript received on October 15, 2019. | Manuscript published on October 30, 2019. | PP: 4697-4705 | Volume-9 Issue-1, October 2019 | Retrieval Number: A1915109119/2019©BEIESP | DOI: 10.35940/ijeat.A1915.109119
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Extended use of spectrum increased the number of users; this was the major cause to introduce Cognitive Radio Networks (CRN) which is designed to access the available spectrum effectively. Advanced telecommunication technology that is fifth-generation (5G) is inbuilt in CRNs. Fusion Center (FC) in CRN plays an important role in decision making for allocating available spectrum. A novel FC rotation (FCR) method is applied over FC to mitigate the occurrence of interference. Massive-Multiple Input Multiple Output (MaMi) system is used to enhance network performances to accommodate the huge participation of users by means of having a large number of antennas. Existing research works in CRN based 5G network fails to decrease intersymbol interference (ISI) and Peak-to-Average Power Ratio (PAPR). A novel Massive MIMO SC – FDMA ES is proposed in this paper to mitigate high PAPR values to enhance network performance. Our proposed work in CRN is experimentally designed using Network Simulator 3 from which the performances are evaluated. The extensive simulation result shows betterment in terms of channel capacity, reduction of PAPR, bit error rate and spectral efficiency.
Keywords: CRN, 5G, Fusion center, Intersym bol interference.