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As a pedagogical resource for instructors using Wireless Communications: Principles and Practice, 2nd Edition, we are making available for download Professor Rappaport's PowerPoint slide presentations. The 700MHz Question: Will the Wireless Spectrum Auction Lead to Innovation or More of the Same? The second edition of this text has been written to initiate the newcomer to wireless personal communications, one of the fastest growing fields in the engineering world. This text continues to evolve, and has been modified and updated since its first edition, making it a useful book for practicing engineers, as well as for researchers, graduate students, and undergraduate students. References to journal articles are used liberally throughout this text to enable the interested reader to delve into additional reading that is always required to master any field.
This book has been designed for the student or practicing engineer who is already familiar with technical concepts such as probability, communication theory, and basic electromagnetics.
The material and chapter sequence in this text have been adapted from an entry-level graduate course which I first taught in 1991 at the Virginia Polytechnic Institute and State University. Chapter 6 provides extensive coverage of the most common analog and digital modulation techniques used in wireless communications and demonstrates tradeoffs that must be made in selecting a modulation method.
Appendices which cover trunking theory, noise figure, noise calculations, and the Gaussian approximation for spread spectrum code division systems provide details for those interested in solving many practical wireless communications problems. To use this text at the undergraduate level, the instructor may wish to concentrate on Chapters 1-6, or Chapters 1-5, and 9, leaving the other chapters for treatment in a second semester undergraduate course or a graduate level course. There have been several printings of Wireless Communications: Principles and Practice, 2nd Edition, and as an aid to readers of earlier printings, we are making available for download all updated pages.
The page updates are PDFs (viewing requires the Adobe Acrobat Reader) zipped into archives to facilitate downloading.
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Wireless technology is a truly revolutionary paradigm shift, enabling multimedia communications between people and devices from any location. A“A brilliant book A– Andrea Goldsmith explains in a clear, profound and accurate way not only the fundamentals of wireless communication systems, but also some of the most recent developments in the field, such as MIMO, adaptive modulation, equalization, multicarrier and ad hoc networks. This book is a comprehensive collection of advanced concepts divided into two main parts: resource allocation and adaptive transceivers for link optimization.
Technical concepts which are at the core of design, implementation, research, and invention of wireless communication systems are presented in an order that is conducive to understanding general concepts, as well as those specific to current and evolving wireless communication systems and standards. The text has been prepared to provide fundamental treatment about many practical and theoretical concepts that form the basis of wireless communications, and has been designed for easy but thorough treatment of vital material that all wireless practitioners must be comfortable with. To support newcomers to the wireless field, and at the request of the Institute of Electrical and Electronics Engineers (IEEE), I have also prepared a low-cost two volume compendium of many of the original journal articles that first taught the fundamentals that are now used throughout the wireless industry--this compendium series is a useful, but not required, supplement to this text. However, like the wireless communications industry itself, this book combines material from many different technical disciplines, so it is unlikely that any one person will have had introductory courses for all of the topics covered.
Chapter 1 demonstrates the historic evolution of the wireless communications industry, and the evolution of wireless systems from first generation analog to second generation (2G) digital systems. Issues such as receiver complexity, modulation and demodulation implementation, bit error rate analysis for fading channels, and spectral occupancy are presented.
In the past decade, there has been remarkable progress in decreasing the needed data rate of high quality digitized speech, which enables wireless system designers to match end-user services to network architectures.

The appendices also include hundreds of mathematical formulas and identities for general engineering work.
Chapters 1, 2, 6-8, and 11 are tailored for modem designers and digital signal processing (DSP) engineers new to wireless.
Alternatively, traditional undergraduate courses on communications or network theory may find in Chapters 1, 2, 3, 4, 6, 8, 9, and 10 useful material that can be inserted easily into the standard curriculum.
For example, if you have the first printing of the book, you may wish to download the page updates for subsequent editions. It also underpins exciting applications such as sensor networks, smart homes, telemedicine, and automated highways.
The characteristics of the wireless channel are then described, including their fundamental capacity limits. It contains many worked examples, over 200 figures, almost 300 homework exercises, over 700 references, and is an ideal textbook for students. These two research areas are at the core of the recent advances in wireless communication systems. Rappaport covers the fundamental issues impacting all wireless networks and reviews virtually every important new wireless standard and technological development, offering especially comprehensive coverage of the 3G systems and wireless local area networks (WLANs) that will transform communications in the coming years. This text is based upon my experiences as an educator, researcher, technical trainer, and consultant, and continues to be modeled from an academic course first developed for electrical engineering students in 1990, when there were fewer than five million cellular subscribers worldwide. I have tried to emphasize the technical concepts with worked example problems, and numerous, carefully crafted homework problems at the end of each chapter that are based on real-world industry issues. Whether you intend to use this book for individual study, or for classroom use, or for use as a handbook, this text has been written as a complete, self-contained teaching and reference book. To accommodate a wide range of backgrounds, important concepts throughout the text are developed from first principles, so that readers learn the foundations of wireless communications. Chapter 1 also documents the rapid early growth of cellular radio throughout the world and provides a state of the industry in the mid 1990s. Channel coding, adaptive equalization, and antenna diversity concepts are presented in Chapter 7. Principles which have driven the development of adaptive pulse code modulation and linear predictive coding techniques are presented, and how these techniques are used to evaluate speech quality in existing and proposed cellular, cordless, and personal communication systems are discussed. I have attempted to place numerous useful items in the appendices, so that this text may be easily used by students or practicing engineers to solve a wide range of problems that may be outside the scope of the immediate text. Chapters 1, 2, 10, and 11 should have broad appeal to network operators and managers, business and legal professionals, as well as working engineers. In using this text at the graduate level, I have been successful in covering most of the material in Chapters 1-6 and 10 during a standard half-year semester and Chapters 7-11 in a follow-on graduate course. This book provides a comprehensive introduction to the underlying theory, design techniques and analytical tools of wireless communications, focusing primarily on the core principles of wireless system design. Various modulation, coding, and signal processing schemes are then discussed in detail, including state-of-the-art adaptive modulation, multicarrier, spread spectrum, and multiple antenna techniques.
Rappaport illustrates each key concept with practical examples, thoroughly explained and solved step by step.
As we begin the 21st century, more than 600 million people, about 10% of the world's population, pay a monthly subscription for wireless telephone service, and this figure will approach 50% by the end of the first decade of the 21st century.

The second edition contains dozens of new homework problems and examples, as well as up-to-the minute technical details of the many emerging wireless standards throughout the world, making this book particularly useful for industry short-courses or state-of-the-art academic classroom use.
The numerous examples and problems found throughout the text have been provided to help the reader solidify the material. This approach makes it possible to use this book as a handbook or as a useful teaching tool in a classroom setting. Chapter 2 provides an overview of the major modern wireless communication systems of the 21 st century, such as third generation (3G), Wireless Local Area Networks (WLANs), Local Multipoint Distribution Services (LMDS), and Bluetooth. In portable radio systems where people communicate while walking or driving, these methods may be used individually or in tandem to improve the quality (that is, reduce the bit error rate) of digital mobile radio communications in the presence of fading and noise.
Chapter 9 introduces time, frequency, and code division multiple access, as well as more recent multiple access techniques such as packet reservation and space division multiple access. In Chapters 2, 10, and 11, I have attempted to cover important but rarely compiled information on practical network implementations and worldwide standards.
The concluding chapters deal with multiuser communications, cellular system design, and ad-hoc network design.
Chapter 2 causes the reader to see how wireless networks are beginning to penetrate our daily lives for data and multimedia applications, as well as voice service. Chapter 9 also describes how each access method can accommodate a large number of mobile users and demonstrates how multiple access impacts capacity and the network infrastructure of a cellular system.
She is a Fellow of the IEEE, has received numerous other awards and honors, and is the author of over 150 technical papers in the field of wireless communications.
Chapter 3 covers fundamental cellular radio concepts such as frequency reuse and handoff, which are at the core of providing wireless communication service to subscribers on the move using limited radio spectrum. Chapter 10 describes networking considerations for wide area wireless communication systems, and presents practical networking approaches that are in use or have been proposed for future wireless systems. For practising engineers, this book will provide the design tools of modern wireless networks. Chapter 3 also demonstrates the principal of trunking efficiency, and how trunking and interference issues between mobiles and base stations combine to affect the overall capacity of cellular systems.
Chapter 11 unites all of the material from the first nine chapters by describing and comparing the major existing second generation (2G) cellular, cord-ess, and personal communication systems throughout the world. Chapter 4 presents radio propagation path loss, link-budgets, and log-normal shadowing, and describes different ways to model and predict the large-scale effects of radio propagation in many operating environments.
The tradeoffs made in the design and implementation of wireless personal communications systems are illuminated in this final chapter. Chapter 5 covers small-scale propagation effects such as fading, time delay spread, and Doppler spread, and describes how to measure and model the impact that signal bandwidth and motion have on the instantaneous received signal through the multipath channel.
The compilation of the major wireless standards makes Chapter 11 particularly useful as a single source of information for a wide range of wireless systems that are commercially deployed today.
New material in Chapter 5 also teaches a fundamental and new way of modeling spatial-temporal channels, which is vital for the development of smart antennas and position location systems.

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