Conclusions and Future Directions

Abstract

This book has covered a range of interesting topics portraying the current state-of-the-art in cognitive radio technologies. While several existing Opportunistic Spectrum Access approaches have been developed and theoretically optimized, they are challenged by the inherent constraints of practical implementation technologies. Analyzing these constraints and proposing an attractive and practical solution to counter these limitations have been the basic aims of this book. This book have presented the set of practical OSA system components that can be incorporated into existing OSA designs. In this chapter, we summarize the main conclusions of research presented in the book. Furthermore, we introduce open research challenges that are inspired by this book.