Cooperative Cognitive Radio Networks: The Complete Spectrum Cycle provides a solid understanding of the foundations of cognitive radio technology, from spectrum sensing, access, and handoff to routing, trading, and security. Written in a tutorial style with several illustrative examples, this comprehensive book: Gives an overview of cognitive radio systems and explains the different components of the spectrum cycle Features step-by-step analyses of the different algorithms and systems, supported by extensive computer simulations, figures, tables, and references Fulfills the need for a single source of information on all aspects of the spectrum cycle, including the physical, link, medium access, network, and application layers Offering a unifying view of the various approaches and methodologies, Cooperative Cognitive Radio Networks: The Complete Spectrum Cycle presents the state of the art of cognitive radio technology, addressing all phases of the spectrum access cycle.

This SpringerBrief examines the active cooperation between users of Cooperative Cognitive Radio Networking (CCRN), exploring the system model, enabling techniques, and performance. The brief provides a systematic study on active cooperation between primary users and secondary users, i.e., (CCRN), followed by the discussions on research issues and challenges in designing spectrum-energy efficient CCRN. As an effort to shed light on the design of spectrum-energy efficient CCRN, they model the CCRN based on orthogonal modulation and orthogonally dual-polarized antenna (ODPA). The resource allocation issues are detailed with respect to both models, in terms of problem formulation, solution approach, and numerical results. Finally, the optimal communication strategies for both primary and secondary users to achieve spectrum-energy efficient CCRN are analyzed.

A hands-on guide and mathematical approach to tackling security challenges and overall performance issues in 5G-based IoT communications The Internet of Things (IoT) provides connectivity and data exchange anytime and anywhere among a wide variety of physical objects such as sensors, vehicles, and mobile phones. This book is a concise guide to securing wireless Internet of Things (IoT) systems at the communications level, covering wireless spectrum sharing systems, smart grid communications, machine-to-machine communications, and uplink/downlink communications for IoT applications. The methods, optimization problems, mathematical solutions, algorithms, and programming codes in the book can be applied directly or extended as countermeasures for different IoT vulnerabilities. Coverage includes: •Detailed solutions for tackling communications security threats •Secure spectrum auction design •Spectrum trading architecture •Distributed optimization algorithm •Latency-centric IoT uplink framework •MATLAB code for IoT spectrum sharing and IoT smart grid •Joint carrier aggregation for IoT spectrum sharing systems •Anomaly detection and classification