Non-cooperative Spectrum Sensing in Cognitive Radio Using Combined Hybrid Matched Filter Single Cycle Cyclostationary Feature Detector

Abstract

The sophistication possible in a software defined radio has now reached a level where each radio can conceivably perform many beneficial tasks that help the user and network. It can minimize spectral congestion. This thesis exploits the NeXt generation communication system called cognitive radio. CR is a key to end an epoch of spectrum scarcity by utilizing spectrum band with licensed user to provide wireless communication services. CR foremost senses the spectrum band of licensed user to be utilized for wireless transmission. In this fashion CR contributes proficient employment of frequency spectrum. Main functions of CR are, namely, spectrum sensing, spectrum management, spectrum sharing and spectrum mobility. This thesis emphasize on spectrum sensing in cognitive radio. Spectrum sensing is a challenging task because determining the available spectrum holes and revealing the presence of licensed user is difficult.