alexa Energy Detection for Spectrum Sensing In Cognitive Rad
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
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Research Article

Energy Detection for Spectrum Sensing In Cognitive Radio Using Simulink

Pawan Yadav1 and Rita Mahajan2
  1. PG Student [VLSI Design], Dept. of ECE, PEC University of Technology, Chandigarh, India
  2. Assistant professor, Dept. of ECE, PEC University of Technology, Chandigarh, India
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Abstract

Cognitive radio (CR) is an emerging intelligent wireless communication technology .With the advance of wireless communications, the problem of bandwidth has become more prominent. Cognitive radio technology has come out as a way to solve this problem by allowing the unlicensed users to use the licensed bands . A limited available spectrum has been put to a lot of limitations by the exceeding demand of wireless applications. Recent study show that some frequency bands in the spectrum are mainly unused most of the time and some are less occupied.This leads to spectrum underutilization. Cognitive radio is one such technique to solve such spectrum problem. It is a technique in which secondary user searches for a free band to operate in while primary user is not using its licensed band. Spectrum sensing that enables the cognitive radio to search for the free bands. It helps to detect the spectrum hole so that they can be used by secondary user. In this paper a prototype system for designing and also explores Simulink based Energy Detection in a MATLAB Simulink

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