Low Earth Orbital Satellites for Personal Communication Networks (Artech House Mobile Communications

Description

Low Earth Orbital Satellites for Personal Communication Networks (Artech House Mobile Communications Library)

 

Low Earth Orbital Satellites for Personal Communication Networks (Artech House Mobile Communications Library)
By: Abbas Ph.D. Jamalipour
ISBN-10: 0890069557    ISBN-13: 9780890069554
Publisher: Artech House Publishers - 1997-12
Hardcover | 273 Pages

 

From the Publisher:
Although low earth orbital (LEO) satellites are the most promising candidates for establishing personal communication networks (PCNs) on a global basis, their usage is also problematic. This new book provides the first comprehensive analysis of one of the hottest topics in communication systems today — the application of LEO satellites in PCNs.

Dedicated to studying LEO satellite systems, the book describes the characteristic design features, discusses the issues to be considered during the design of LEO satellite communications networks, and presents analytical frameworks for evaluating their performance. It also explains major problems relating to employing LEO satellites in a global PCN — both for today's and tomorrow's applications.

The book's broad coverage, including new research viewpoints, necessary tools, and fundamental analysis techniques, will enable you to:

• Identify the advantages and disadvantages of non-geostationary satellites compared to
conventional geostationary systems

• Understand how LEO satellite systems can meet specific requirements of future global PCNs

• Compare different multiple access schemes — and select the newest, most promising schemes
for future wireless communications and mobile satellite systems

• Determine the traffic characteristics of LEO satellites for global PCNs

• Apply new techniques to evaluate and improve the performance of LEO satellite systems

This comprehensive book is a valuable reference for electrical engineers involved in a wide range of activities, including the design of mobile satellite systems, LEO satellite systems, andterrestrial cellular systems. It offers graduate students of electrical and communications engineering a complete overview not found in any other reference. Much of the book's analyses and techniques are also applicable to other mobile communication systems such as terrestrial cellular systems.

From The Critics:
Booknews:
Discusses the use of low Earth orbital (LEO) satellite systems for a global personal communication network (PCN), concentrating on the performance of LEO satellite systems with employment of either CDMA or spread-slotted Aloha, and on the problem of nonuniform distribution of traffic loads around the world. Presents analytical frameworks for evaluating the performance of LEO satellite systems, and introduces techniques for improving performance including methods modified from conventional power control and methods focusing on control of user transmissions. Other topics include packet admission control and multibeam LEO satellites. Annotation c. by Book News, Inc., Portland, Or.
Accreditation:
Abbas Jamalipour is an assistant professor for the Department of Information Electronics at Nagoya University's Graduate School of Engineering in Nagoya, Japan. He also holds a Ph.D. in electrical engineering from Nagoya University. As a consultant to the Iran Telecommunications Research Center, Dr. Jamalipour conducted the design of the digital exchanger and its 2.048 Mbps digital trunk for the country's telephony system. He is the recipient of several awards for his outstanding works on LEO satellite communications systems. His name is among those selected for the 15th edition of the Marquis Who's Who in the World.

 

Table of Contents:
  Preface  
  Acknowledgments  
  Introduction  
  Organization of this book  
1 Mobile Satellite Communications 1
1.1 Communications satellites 2
1.2 Orbital dynamics of satellite systems 7
1.3 Mobile satellite communications systems 12
2 Communications with LEO Satellites 33
2.1 Preliminary issues in LEO satellite systems 35
2.2 Specific issues in LEO satellite systems 55
2.3 Modeling the LEO satellite systems 67
3 Application of CDMA in LEO Satellite Systems 77
3.1 Performance evaluation of analog systems 79
3.2 Performance of integrated voice/data systems 96
4 Spread-Slotted Aloha for LEO Satellite Systems 117
4.1 Spread-slotted Aloha 119
4.2 Employing spread-slotted Aloha in a LEO satellite system 130
4.3 Numerical examples 144
5 Modified Power Control in Spread-Slotted Aloha 157
5.1 Worst case in throughput performance 159
5.2 Modified power control scheme 168
6 Transmit Permission Control Scheme for Spread-Slotted Aloha 185
6.1 Transmit permission control scheme: Nonfading channel 187
6.2 Transmit permission control scheme: Fading channel 209
6.3 Adaptive transmit permission control schemes 214
7 Further Considerations in LEO Satellite Systems 223
7.1 Packet admission control scheme 224
7.2 Power control 236
7.3 Multibeam LEO satellites 241
7.4 Concept of adaptive array antennas 248
  List of Acronyms 257
  About the Author 261
  Index 263

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