This book highlights the need for an efficient Handover Decision (HD) mechanism to perform switches from one network to another and to provide unified and continuous mobile services that include seamless connectivity and ubiquitous service access. The author shows how the HD involves efficiently combining handover initiation and network selection process. The author describes how the network selection decision is a challenging task that is a central component to making HD for any mobile user in a heterogeneous environment that involves a number of static and dynamic parameters. The author also discusses prevailing technical challenges like Dynamic Spectrum Allocation (DSA) methods, spectrum sensing, cooperative communications, cognitive network architecture protocol design, cognitive network security challenges and dynamic adaptation algorithms for cognitive system and the evolving behavior of systems in general. The book allows the reader to optimize the sensing time for maximizing the spectrum utilization, improve the lifetime of the cognitive radio network (CRN) using active scan spectrum sensing techniques, analyze energy efficiency of CRN, find a secondary user spectrum allocation, perform dynamic handovers, and use efficient data communication in the cognitive networks. Identifies energy efficient spectrum sensing techniques for Cooperative Cognitive Radio Networks (CRN); Shows how to maximize the energy capacity by minimizing the outage probability; Features end-of-chapter summaries, performance measures, and case studies.
The book aims in simplifying laboratory procedures in prosthodontics which solves the practical difficulties encountered by students. It comprises of pictorial representations, and the clinical application of each laboratory procedure. This will enable the student to observe, improve self-learning and also learn the text corresponding to each picture grasping the most probable exam questions. The target audience are not only undergraduate students it will be a refresher for first year Post graduate students and also of great help to Dental technicians. The learning ability of the students is more when they see pictures rather reading text explaining facts to which they aren’t exposed initially. The book doesn’t fail to include all short citation pertaining to each picture portrayed. Hence when a student is given an opportunity to read such books it will help them to retain, reproduce, perform and practice better.
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