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Deep View Point Methods of Channel Allocation in Cognitive Radio Networks

	International Journal of Scientific Research and Engineering Development (IJSRED)	Full Text:
	Published Issue : Volume-3 Issue-4
	Year of Publication : 2020
	Unique Identification Number : IJSRED-V3I4P65
	Authors : P.A. Ajmal Abdullah, Dr.Tamilarasan. S, Dr.P.A.Abdul Saleem

MLA Style: P.A. Ajmal Abdullah, Dr.Tamilarasan. S, Dr.P.A.Abdul Saleem "Deep View Point Methods of Channel Allocation in Cognitive Radio Networks" International Journal of Scientific Research and Engineering Development (IJSRED) Vol3-Issue4 | 516-525.

APA Style: P.A. Ajmal Abdullah, Dr.Tamilarasan. S, Dr.P.A.Abdul Saleem. Deep View Point Methods of Channel Allocation in Cognitive Radio Networks. International Journal of Scientific Research and Engineering Development (IJSRED) Vol3-Issue4 | 516-525.

Abstract :

The Cognitive Radio (CR) is an emerging technology in wireless communication system which offers a keen solution to the firm scarcity of spectrum utilization in Cognitive Radio Networks (CRNs). The primary goal of CR is to improve the Secondary Users (SUs) spectrum utilization when Primary Users (PUs) temporarily become idle. The existing static allocation such as spectrum and channel allocation leads to spectrum scarcity. The existing CR Medium Access Control (CR-MAC) protocols have issues like delay, packet collisions, and Quality of Service (QoS) during channel selection randomly. In this paper, we can propose to design CR-MAC protocol based on channel quality and to achieve context awareness and intelligence for adaptive channel selection. The utility function of Channel Quality Indicator (CQI) is adopted with each channel in CRN to determine the channel quality. The best quality of channel is favored the Common Control Channel (CCC) and dynamically changed in each round. Omni-directional TDMA based Slotted Cognitive Function (SCF) is used to maintain the transmission control. The data transmission is managed by using directional antenna based Distributed Co-ordination Function (DCF). The priorities are assigned based on the channel weights respectively. The higher weighted channels are assigned to higher priority. The proposed hybrid MAC based channel quality protocol has minimized congestion and delay using NS-2 simulation.