附註:Includes bibliographical references and index.
Introduction to Digital Professional Mobile Radio; Contents vii; Foreword xi; Preface xiii; Acknowledgments xv; Chapter 1 PMR Roots and User Requirements 1; Chapter 2 Alternatives to PMR 15; Chapter 3 Propagation and Traffic-Related Fundamentals of Digital PMR Technology; Chapter 4 Review of the Basics of Analog PMR Technology 83; Chapter 5 Fundamentals of Digital Modulation and Coding 115; Chapter 6 An Overview of TETRA 175; Chapter 7 European and American Standardized Digital PMR Systems 217; Chapter 8 Proprietary Digital PMR Systems; Chapter 9 Specific PMR Topics 261
Chapter 10 Outlook: PMR in the Decade Until 2010 289Acronyms and Abbreviations 303; About the Author 321; Index 323
摘要:If you are involved in the planning, design, testing, installation, maintenance, sales, or frequency management of digital PMR equipment and systems, this first-of-its-kind book is a smart choice. Written by one of the key developers of PMR, this essential reference provides comprehensive coverage of digital PMR systems, including the standards APCO 25, TETRA and DIIS and the proprietary systems ASTRO, EDACS, iDEN, MOBITEX II and TETRAPOL. Offering unique insight from the author's years of experience working with this technology, the book helps you gain a solid understanding of the transition from analogue to digital PMR. It provides you with methods for estimation coverage distance and bandwidth for digital PMR systems.
