<p>Part I Overview of WiMAX 1<br/>Chapter 1 Introduction to Broadband Wireless 3<br/>1.1 Evolution of Broadband Wireless 5<br/>1.1.1 Narrowband Wireless Local-Loop Systems 5<br/>1.1.2 First-Generation Broadband Systems 6<br/>1.1.3 Second-Generation Broadband Systems 8<br/>1.1.4 Emergence of Standards-Based Technology 8<br/>1.2 Fixed Broadband Wireless: Market Drivers and Applications 10<br/>1.3 Mobile Broadband Wireless: Market Drivers and Applications 12<br/>1.4 WiMAX and Other Broadband Wireless Technologies 13<br/>1.4.1 3G Cellular Systems 14<br/>1.4.2 Wi-Fi Systems 15<br/>1.4.3 WiMAX versus 3G and Wi-Fi 16<br/>1.4.4 Other Comparable Systems 17<br/>1.5 Spectrum Options for Broadband Wireless 17<br/>1.6 Business Challenges for Broadband Wireless and WiMAX 21<br/>1.7 Technical Challenges for Broadband Wireless 23<br/>1.7.1 Wireless Radio Channel 24<br/>1.7.2 Spectrum Scarcity 25<br/>1.7.3 Quality of Service 26<br/>1.7.4 Mobility 28<br/>1.7.5 Portability 29<br/>1.7.6 Security 29<br/>1.7.7 Supporting IP in Wireless 30<br/>1.7.8 Summary of Technical Challenges 31<br/>1.8 Summary and Conclusions 32<br/>1.9 Bibliography 32</p><p>Chapter 2 Overview of WiMAX 33<br/>2.1 Background on IEEE 802.16 and WiMAX 33<br/>2.2 Salient Features of WiMAX 37<br/>2.3 WiMAX Physical Layer 39<br/>2.3.1 OFDM Basics 39<br/>2.3.2 OFDM Pros and Cons 40<br/>2.3.3 OFDM Parameters in WiMAX 41<br/>2.3.4 Subchannelization: OFDMA 43<br/>2.3.5 Slot and Frame Structure 44<br/>2.3.6 Adaptive Modulation and Coding in WiMAX 46<br/>2.3.7 PHY-Layer Data Rates 46<br/>2.4 MAC-Layer Overview 47<br/>2.4.1 Channel-Access Mechanisms 48<br/>2.4.2 Quality of Service 49<br/>2.4.3 Power-Saving Features 51<br/>2.4.4 Mobility Support 52<br/>2.4.5 Security Functions 53<br/>2.4.6 Multicast and Broadcast Services 54<br/>2.5 Advanced Features for Performance Enhancements 55<br/>2.5.1 Advanced Antenna Systems 55<br/>2.5.2 Hybrid-ARQ 56<br/>2.5.3 Improved Frequency Reuse 56<br/>2.6 Reference Network Architecture 57<br/>2.7 Performance Characterization 59<br/>2.7.1 Throughput and Spectral Efficiency 60<br/>2.7.2 Sample Link Budgets and Coverage Range 60<br/>2.8 Summary and Conclusions 61<br/>2.9 Bibliography 63</p><br/><br/>
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