Equal Power Allocation based Channel Sensing in Multi-user Over Cognitive OFDM Systems

Abstract

With the fast advancement of cellular communications, spectrum scarcity is a significant issue; additionally, frequency spectrum is turning into a valuable resource. Because licensed users do not always employ their spectrum and unlicensed users have set up shop in such spectrum bands, in some instances they are not productively handled. Spectrum usage is uneven as a result of this governance. Each cognitive radio user has minimal SINR requirements that determine their required quality of service (QoS), and interference from secondary unlicensed users to main users makes the power and channel allotment issue more difficult. Here, the idea outlines the equitable distribution of power and channel resources among auxiliary and main users within a network, as well as effective data transfer over users based on power-filling algorithms.