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Design and Study of an Unlicensed WiMAX System under Low SNR with Various Modulations in Cognitive Radio Networks

Albedeir Y. Othman; Khald H. Belal; Mohammed A. Elmaleeh
All studies are oriented towards the concepts of joint work, mainly for economic reasons and for technical reasons, and enable the artificial intelligence to operate within the systems components, the cognitive radio networks (CRN) newly is one of the best methods to integration and management the systems that rely on spectrum sharing., which will enhance the efficiency and performance of the systems dramatically and will provide a significant amount of energy wasted and will reduce overlaps and confusion that occurs to indicate. It will allow users to make maximum use of wireless networks by accessing the network in multiple ways and methods. This paper investigates to implementing and designing a system that allows unlicensed users to work with authorized users According to priorities and permissions provided for in standards and within the same frequency spectrum, And then study the effect of using different types of modulations on the system in the presence of low signal to noise ratio (SNR) and then compare the results, So as to reach the system to a specific bit error rate (BER).
Select Volume / Issues:
Year:
2019
Type of Publication:
Article
Keywords:
Bit Error Rate; Cyclic Prefix; Cognitive Radio Network; Digital Video Broadcasting Terrestrial; Primary User; Signal to Noise Ratio; Secondary User; World wide Interoperability for Microwave Access
Journal:
IJECCE
Volume:
10
Number:
4
Pages:
161-174
Month:
July
ISSN:
2249-071X
Hits: 382

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