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WiMAX RF Systems Engineering

WiMAX RF Systems Engineering

By (author): Zerihun Abate
Copyright: 2009
Pages: 265
ISBN: 9781596939752

Hardback $39.00 Qty:
Already deployed in over 42 countries, WiMAX is quickly becoming one of the most important technologies for IP-based high-speed communications. This practical book delivers a solid understanding of WiMAX technology and RF network planning and deployment techniques without undue mathematical rigors. You find numerous examples and real-world case studies that illustrate the evolution of the design process. The book provides hands-on details on essential considerations and important aspects of the technology, from link budget, communication channel characterization, and capacity, to frequency planning, channel impairments and point-to-point link design. You also find in-depth discussions on WiMAX security and how WiMAX complements other technologies.
Preface ; Introduction - WiMAX System. WiMAX and Related Standards. Range and Spectrum Efficiency Summary. WiMAX Spectrum Worldwide. What Is OFDM? The Key Features of WiMAX. WiMAX Transceiver. OFDM Signal Generation. OFDM Challenges and Mitigations. ; OFDM Flavors, ISI, Doppler, Rayleigh, and Fading - OFDM Flavors. Subchannelization. Scalable OFDMA, Doppler Shift, and ISI. Coherence Bandwidth. ISI, Delay, and Fading. ; Modulation - Overview. Digital Modulation (Representing Digital Bits with Analog Signals). Encoding and Decoding Phase Information. Quadrature Amplitude Modulation. Multicarrier Modulation Transmissions and OFDM. Adaptive Modulation and Coding (AMC).; RF Propagations, Measurements, and Models - RF Propagation. Measurements and Drive Test Considerations. Propagation Models. ; Communication Channel Characterization - Gaussian Noise and Line-of-Sight and Nonline-of-Sight Paths. Characterizing the Radio Environment. Multipaths and Doppler Shifts. Nyquist and Shannon-Hartley. Separation of Colocated Antennas. Intermodulation. WiMAX Versus Satellite Interference Consideration [5]. Interferences. Other Sources of Signal Losses. Tower-Mounted Amplifiers (TMAs). ; Network Planning Fundamentals - WiMAX Link Budget. Propagation Model and Range Calculation. Stanford University Interim Model (SUI Model). Coverage and Capacity Planning. Investment and Break-Even Considerations. ; Point-to-Point Link Design -Introduction. Bandwidths, Rainfalls, and Margins. PTP Design Parameters and Signal Impairments. Availability. PTP Design Examples. ; Link, Design, Oversubscription, and Delay - Link Analysis and Design. Oversubscription, Link Usage, and Delay. ; WiMAX Capacity, Frequency Planning, and MIMO Antennas - WiMAX Capacity. WiMAX Frequency Planning. MIMO Antennas. ; Case Study - Range Determination. Number of Sites for Coverage and Capacity. Summary. ; Preliminary Design to Benchmarking - Overview. Back-of-the-Envelope Link Budget and Area Estimate. Reverse Engineering. Model Tuning. Model Tuning Using a Prediction Tool. Site Design Using a Prediction Tool. Site Qualification. The Use of Planning Tools. Site Construction. Optimization. Expansion and Quality Improvement of a Network. Benchmarking. ; Fundamentals of WiMAX Network -Introduction. OSI Models and IP-Based Networks. WiMAX Architecture. WiMAX Frame Structures.Introduction to VoIP. VoIP over WiMAX. ; WiMAX Security -Introduction. Documents Related to the WiMAX Security Standard. Fundamental Data Encryption Techniques. Typical Security Concerns. Accessing Service. Authentication. Authorization. The Network Side of Security. Security Characterization in WiMAX. Security Challenges. MAC Layer Protection. ; WiFi Radio Planning - Overview. Channel and Band Assignments. FCC Power Requirements. Link Budget. The Biggest Recorded Range. Coverage. Capacity. Security Gaps and Solutions. ; UMTS and WiMAX Comparison - Overview. GSM-to-UMTS Evolution. UMTS Architecture 's Similarities with WiMAX. Physical Layer Specifications. WCDMA Physical Layer Radio Frame. Channel Definitions and Functions. Channelization and Spreading. Typical Link Budget. Typical Capacity. ; Competing with and Complementing WiMAX - Signaling System 7. Wireless Failover Alternative for SS7. WiMAX Backhaul for WiFi Mesh. WiMAX Complementing WiFi Hotspot. Working with IP-Based Technologies. Versatility of WiMAX Network and Protocol. Competing Against WiMAX. The Competition for Dominance. ; Appendices. Acronyms. About the Author. Index;
  • Zerihun Abate Zerihun Abate is a wireless communications consultant with over 15 years of industry experience. He holds a B.S. and an M.S. in electrical and computer engineering from George Mason University.
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