Kandaswamy Subramanian's Books

Astrophysical Magnetic Fields

From Galaxies to the Early Universe

By: Anvar Shukurov,Kandaswamy Subramanian

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Astrophysical Magnetic Fields

From Galaxies to the Early Universe

By: Anvar Shukurov,Kandaswamy Subramanian

Magnetic fields permeate space and affect many major astrophysical phenomena, but they are often ignored due to their perceived complexity. This self-contained introduction to astrophysical magnetic fields provides both a comprehensive review of the current state of the subject and a critical discussion of the latest research. It presents our knowledge of magnetic fields from the Early Universe, their evolution in cosmic time through to their roles in present-day galaxies, galaxy clusters and the wider intergalactic medium, with attention given to both theory and observations. This volume also contains an extensive introduction into magnetohydrodynamics, numerous worked examples, observational and mathematical techniques and interpretations of the observations. Its review of our current knowledge, with an emphasis on results that are likely to form the basis for future progress, benefits a broad audience of advanced students and active researchers, including those from fields such as cosmology and general relativity.

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Page Count

642

Publisher

Cambridge University Press

Published Date

ISBN 10

1009234129

ISBN 13

9781009234122

Astrophysical Magnetic Fields

From Galaxies to the Early Universe

By: Anvar Shukurov,Kandaswamy Subramanian

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Astrophysical Magnetic Fields

From Galaxies to the Early Universe

By: Anvar Shukurov,Kandaswamy Subramanian

This self-contained introduction to astrophysical magnetic fields provides a comprehensive review of the current state of the field and a critical discussion of the latest research. Its emphasis on results that are likely to form the basis for future progress benefits a broad audience of advanced students and active researchers.

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Page Count

641

Publisher

Cambridge University Press

Published Date

ISBN 10

0521861055

ISBN 13

9780521861052

Intelligent Spectrum Handovers in Cognitive Radio Networks

By: Anandakumar Haldorai,Umamaheswari Kandaswamy

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Intelligent Spectrum Handovers in Cognitive Radio Networks

By: Anandakumar Haldorai,Umamaheswari Kandaswamy

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.

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Page Count

229

Publisher

Springer

Published Date

ISBN 10

3030154165

ISBN 13

9783030154165

Book's by Kandaswamy Subramanian

Astrophysical Magnetic Fields

Astrophysical Magnetic Fields

Astrophysical Magnetic Fields

Astrophysical Magnetic Fields

Intelligent Spectrum Handovers in Cognitive Radio Networks

Intelligent Spectrum Handovers in Cognitive Radio Networks

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