Xinzhou Wu's Books

OFDMA Mobile Broadband Communications

A Systems Approach

By: Junyi Li,Xinzhou Wu,Rajiv Laroia

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OFDMA Mobile Broadband Communications

A Systems Approach

By: Junyi Li,Xinzhou Wu,Rajiv Laroia

Written by the pioneers of Flash-OFDM, arguably the first commercially developed OFDMA-based mobile broadband system in the world, this book teaches OFDMA from first principles, enabling readers to understand mobile broadband as a whole. The book examines the key requirements for data-centric mobile; how OFDMA fits well with data networks; why mobile broadband needs to be IP-based; and how to bridge communications theory to real-world air interface design and make a good system choice between performance and complexity. It also explores the future of wireless technologies beyond conventional cellular architecture. One of the key challenges faced by newcomers to this field is how to apply the wireless communications theory and principles to the real world and how to understand sophisticated commercial systems such as LTE. The authors use their firsthand experience to help graduate students, researchers and professionals working on 4G to bridge the gap between theory and practice.

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Page Count

541

Publisher

Cambridge University Press

Published Date

ISBN 10

113961925X

ISBN 13

9781139619257

The Theory of Fault Travel Waves and Its Application

By: Xinzhou Dong

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The Theory of Fault Travel Waves and Its Application

By: Xinzhou Dong

The book starts from the existed problems in fault analysis of the lumped-parameter circuit model. It firstly introduces the basic electromagnetic phenomenon, uniform transmission line guided electromagnetic waves, multi-conductor system guided electromagnetic waves, fault generated travelling waves; then it introduces series of the traveling waves based protections, which includes principle, technology and application in practical power grid; it also discusses the travelling waves based fault location and the travelling waves based fault feeder selector in China. It systemically reveals the essential features of the fault traveling wave and concludes the analytical solutions of the transient fault traveling waves and the modulus maxima representation of the dyadic wavelet transform of fault traveling waves. Finally, the book analyzes the acquisition of traveling waves and the sensor’s characteristics. A unique fault travelling wave test device has been invented based on the theories of the book and will be applied in real systems.

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Page Count

745

Publisher

Springer Nature

Published Date

ISBN 10

9811904049

ISBN 13

9789811904042

AC/DC Hybrid Large-Scale Power Grid System Protection

By: Xinzhou Dong

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AC/DC Hybrid Large-Scale Power Grid System Protection

By: Xinzhou Dong

System protection is laid between the defenses for power system protective relaying and the emergency control. Under the premise of ensuring the safety of electrical equipment, it strives to ensure the safety of the system, block the chain of occurrence and growth of cascading faults, and effectively avoid the occurrence of large-scale blackout catastrophes. This book systematically elaborates on the dealing technology of a special type of fault, the “cascading fault”, in the AC-DC hybrid large-scale power grid. The main contents include immunization distance protection for accident overload; distance protection that is immune to oscillation; inverter control technology to prevent long-term or continuous commutation failure; DC participation emergency power flow control technology used to share the accident transfer overload caused by inverter lockout; and overhead transmission line adaptive overload protection.The basis of English translation of this book from its Chinese original manuscript was done with the help of artificial intelligence (machine translation by the service provider DeepL.com). A subsequent human revision of the content was done by the author.

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Page Count

338

Publisher

Springer Nature

Published Date

ISBN 10

9811964866

ISBN 13

9789811964862

Book's by Xinzhou Wu

OFDMA Mobile Broadband Communications

OFDMA Mobile Broadband Communications

The Theory of Fault Travel Waves and Its Application

The Theory of Fault Travel Waves and Its Application

AC/DC Hybrid Large-Scale Power Grid System Protection

AC/DC Hybrid Large-Scale Power Grid System Protection

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