Introduction to Wireless Systems

This work promotes a systems-engineering perspective on the design and analysis of a wireless communication system. It teaches the basics of this area through the example of a cell phone system. Content: Preface xiiiAcknowledgments xvAbout the Authors xviiChapter 1: Introduction 1Overview 1System Description 4Historical Perspective 10Systems Engineering and the Role of the Systems Engineer 12Chapter 2: The Radio Link 17Introduction 17Transmitting and Receiving Electromagnetic Waves 18Isotropic Radiation 20Antenna Radiation Patterns 22The Range Equation 28Thermal Noise and Receiver Analysis 34Optimizing the Energy Transmission System 61Conclusions 70Problems 70Chapter 3: Channel Characteristics 77Introduction 77Macroscopic Models 1: Reflection from the Earth's Surface 79Macroscopic Models 2: Empirical Models 86Macroscopic Models 3: Log-Normal Shadowing 95Microscopic Models 1: Multipath Propagation and Fading 100Microscopic Models 2: Statistical Models for Multipath Propagation 106Microscopic Models 3: A Two-Ray Model with a Moving Receiver 121Microscopic Models 4: A Statistical Model with a Moving Receiver 129Area Coverage 132The Link Budget 137Conclusions 139Problems 141Chapter 4: Radio Frequency Coverage: Systems Engineering and Design 149Motivation 149Requirements Assessment and System Architecture 150Cellular Concepts 153Estimation of Interference Levels 167Cellular System Planning and Engineering 173Operational Considerations 183Traffic Engineering, Trunking, and Grade of Service 187Conclusions 194Problems 196Chapter 5: Digital Signaling Principles 203Introduction 203Carrier-Based Signaling 226Spread-Spectrum Signaling 267Conclusions 278Problems 280Chapter 6: Access Methods 287Introduction 287Channel Access in Cellular Systems 290Frequency-Division Multiple Access 295Time-Division Multiple Access 300Code-Division Multiple Access 306Contention-Based Multiple Access 325Conclusions 335Problems 337Chapter 7: Information Sources 343Introduction 343Information Sources and Their Characterization 346Digitization of Speech Signals 355Coding for Error Correction 376Conclusions 389Problems 392Chapter 8: Putting It All Together 397Introduction 397Looking Backward 399Contemporary Systems and 3G Evolution 411OFDM: An Architecture for the Fourth Generation 432Conclusions 442Appendix A: Statistical Functions and Tables 443The Normal Distribution 443Function Tables 446Appendix B: Traffic Engineering 453Grade of Service and the State of the Switch 453A Model for Call Arrivals 454A Model for Holding Time 456The Switch State Probabilities 457Blocking Probability, Offered Load, and Erlang B 460Computational Techniques for the Erlang B Formula 462Erlang B Table 465Acronyms 477Index 483

a Coherent Systems View Of Wireless And Cellular Network Design And Implementation

written For Senior-level Undergraduates, First-year Graduate Students, And Junior Technical Professionals, Introduction To Wireless Systems Offers A Coherent Systems View Of The Crucial Lower Layers Of Today’s Cellular Systems. The Authors Introduce Today’s Most Important Propagation Issues, Modulation Techniques, And Access Schemes, Illuminating Theory With Real-world Examples From Modern Cellular Systems. They Demonstrate How Elements Within Today’s Wireless Systems Interrelate, Clarify The Trade-offs Associated With Delivering High-quality Service At Acceptable Cost, And Demonstrate How Systems Are Designed And Implemented By Teams Of Complementary Specialists.

coverage Includes

• understanding The Challenge Of Moving Information Wirelessly Between Two Points
• explaining How System And Subsystem Designers Work Together To Analyze, Plan, And Implement Optimized Wireless Systems
• designing For Quality Reception: Using The Free-space Range Equation, And Accounting For Thermal Noise
• understanding Terrestrial Channels And Their Impairments, Including Shadowing And Multipath Reception
• reusing Frequencies To Provide Service Over Wide Areas To Large Subscriber Bases
• using Modulation: Frequency Efficiency, Power Efficiency, Ber, Bandwidth, Adjacent-channel Interference, And Spread-spectrum Modulation
• implementing Multiple Access Methods, Including Fdma, Tdma, And Cdma
• designing Systems For Today’s Most Common Forms Of Traffic—both “bursty” And “streaming”
• maximizing Capacity Via Linear Predictive Coding And Other Speech Compression Techniques
• setting Up Connections That Support Reliable Communication Among Users

introduction To Wireless Systems Brings Together The Theoretical And Practical Knowledge Readers Need To Participate Effectively In The Planning, Design, Or Implementation Of Virtually Any Wireless System.

The Complete Introduction to Designing and Implementing New Wireless Communications Systems Introduction to Wireless Systems presents a coherent, up-to-the-minute, systems engineering view of cellular systems for every practitioner and student. The authors systematically introduce today's most important propagation issues, modulation techniques, and access schemes, illuminating theory with real-world examples from modern cellular telephone systems. They show how the elements of today's wireless communications systems interrelate, clarify the tradeoffs associated with delivering high-quality service at acceptable cost, and demonstrate how systems are designed and implemented by teams of complementary specialists. Coverage includes How system and subsystem designers work together to analyze, plan, and implement optimized wireless systems Designing for quality reception: using the free-space range equation, and accounting for thermal noise Understanding terrestrial channels and their impairments, including shadowing and multipath reception Reusing frequencies to provide service over wide areas to large subscriber bases Using modulation: frequency efficiency, power efficiency, BER, bandwidth, adjacent-channel interference, and spread-spectrum modulation Implementing multiple access methods, including FDMA, TDMA, and CDMA Designing systems for today's most common forms of traffic — both 'bursty' and 'streaming' Maximizing capacity via linear predictive coding and other speech compression techniques Setting up connections that support reliable communication amongst users Whatever your technical role, Introduction to Wireless Systems brings together the theoretical and practical knowledge you'll need to successfully help plan, design, or implement any wireless system. This is the eBook version of the printed book. If the print book includes a CD-ROM, this content is not included within the eBook version. A Coherent Systems View of Wireless and Cellular Network Design and Implementation Written for senior-level undergraduates, first-year graduate students, and junior technical professionals, Introduction to Wireless Systems offers a coherent systems view of the crucial lower layers of today's cellular systems. The authors introduce today's most important propagation issues, modulation techniques, and access schemes, illuminating theory with real-world examples from modern cellular systems. They demonstrate how elements within today's wireless systems interrelate, clarify the trade-offs associated with delivering high-quality service at acceptable cost, and demonstrate how systems are designed and implemented by teams of complementary specialists. Coverage includes Understanding the challenge of moving information wirelessly between two points Explaining how system and subsystem designers work together to analyze, plan, and implement optimized wireless systems Designing for quality reception: using the free-space range equation, and accounting for thermal noise Understanding terrestrial channels and their impairments, including shadowing and multipath reception Reusing frequencies to provide service over wide areas to large subscriber bases Using modulation: frequency efficiency, power efficiency, BER, bandwidth, adjacent-channel interference, and spread-spectrum modulation Implementing multiple access methods, including FDMA, TDMA, and CDMA Designing systems for today's most common forms of traffic—both “bursty” and “streaming” Maximizing capacity via linear predictive coding and other speech compression techniques Setting up connections that support reliable communication among users Introduction to Wireless Systems brings together the theoretical and practical knowledge readers need to participate effectively in the planning, design, or implementation of virtually any wireless system.