TECHNICAL AND ECONOMICAL CAMPAIGNS FOR OPPORTUNISTIC RADIO SPECTRUM ACCESS FOR EFFICIENT RADIO SPECTRUM UTILIZATION AND NATIONAL DEVELOPMENT

• J J POPOOLA

  Electrical and Electronics Engineering, Federal University of Technology, Akure, Ondo State, Nigeria

This paper advocates for replacement of the current fixed allocation policy for the radio spectrum access and usage with opportunistic spectrum access (OSA) based on the imbalance the fixed allocation policy has created between radio spectrum scarcity and underutilization. In supporting the proposal, justification was made from technical and economical perspectives. From the technical point of view, it was practically demonstrated through radio spectrum occupancy measurements conducted that spectrum holes, which is the primary requirement for OSA is available in the nation’s current licensed spectrum. Similarly, from the economic point of view, the paper makes it clear that if the use of the current fixed allocation policy for radio spectrum access and usage is contributing so much now to the gross domestic product (GDP) of nations despite its current disadvantages, there is potential of getting more from it if the access and usage of the radio spectrum can be replaced with OSA. Also, the results of the radio spectrum occupancy measurements conducted show clearly that the current fixed radio spectrum allocation policy is grossly inefficient with over 70% of the licensed spectrum unutilized in space, time and frequency. Based on this disadvantage, this paper advocates for the replacement of the current fixed radio spectrum allocation policy with flexible policy for both the efficient radio spectrum access and usage. 

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