Get a thorough introduction to WiMAX - the revolutionary new 802.16 IEEE standard for point-to-point and point-to-multipoint wireless broadband access.
WiMAX Handbook annotates the 802.16 specification and explains how to design and build a robust, reliable, and secure WiMAX network that takes full advantage of the wide range, increased throughput, and "last mile" solutions offered by WiMAX.
Contents
- Telecommunications Networks - The Need for an Alternative Form of Access
- Switching
- Transport
- Access
- Replacing the PSTN One Component at a Time
- Objections to Wireless Networks
- QoS
- Security
- Interference Mitigation
- Economic Advantage of WiMAX
- Regulatory Aspects of Wireless Networks
- Improved Quality of Life with Wireless Networks
- Disruptive Technology
- Disruption for Telephone Companies
- Disruption for Cable TV and Satellite TV Companies
- Disruption for Cell Phone Companies
- Disruption for the Backhaul Industry
- Conclusion
1. WiMAX: The Physical Layer (PHY)
- Introduction
- The Function of the PHY
- OFDM: The "Big So What?!" of WiMAX
- TDD and FDD
- Adaptive Antenna System (AAS)
- WiMAX Variants
- OFDM Variants 2-11 GHz
- Single Carrier (SC) Variants
- Conclusion
2. The Medium Access Control (MAC) Layer
- The MAC as the "Smarts" for the Physical Layer
- The MAC and WiMAX Architecture
- Service Classes and QoS
- Service-Specific Convergence Sublayers
- Common Part Sublayer
- Packing and Fragmentation
- PDU Creation and Automatic Repeat Request (ARQ)
- Transmission Convergence (TC) Layer
3. How WiMAX Works
- Channel Acquisition
- Initial Ranging and Negotiation of SS Capabilities
- SS Authentication and Registration
- IP Connectivity
- Connection Setup
- Radio Link Control (RLC)
- The UL
- Service Flow
- Conclusion
4. Quality of Service (QoS) on WiMAX
- Overview
- The Challenge
- Legacy QoS Mechanisms
- FDD/TDD/OFDM
- Forward Error Correction (FEC)
- Bandwidth Is the Answer - What Was the Question?
- QPSK Versus QAM
- Multiplexing in OFDM
- What OFDM Means to WiMAX
- QoS: Error Correction and Interleaving
- QoS Measures Specific to the WiMAX Specification
- Theory of Operation
- Service Flows
- The Object Model
- Service Classes
- Authorization
- Types of Service Flows
- Service Flow Management
- Conclusion
5. Dealing with Interference with WiMAX
- Interference - Some Assumptions
- Defining Interference or "Think Receiver"
- Forms of Interference
- Countering Interference
- Changing Channels Within the ISM or U-NII Bands
- Dealing with Distance
- Internal (CoCH) Sources of Interference
- OFDM in Overcoming Interference
- Handling ISI
- Mitigating Interference with Antenna Technology
- Multiple Antennas: AAS
- Adaptive Antenna (AA) Techniques
- Dynamic Frequency Selection (DFS)
- If You Want Interference, Call the Black Ravens
6. Security and 802.16 WiMAX
- Security in WiMAX Networks
- The Security Sublayer
- The PKM Protocol
- TEK Exchange Overview
- Cryptographic Methods
- Conclusion 104
7. WiMAX VoIP
- PSTN Architecture
- Voice Over WiMAX-The Challenge
- VoIP
- Origins of VoIP
- How Does VoIP Work?
- VoIP Signaling Protocols
- Switching
- Softswitch (aka Gatekeeper, Media Gateway Controller)
- Other Softswitch Components
- VoIP and Softswitch Pave the Way for Voice Over WiMAX
- Objections to VoIP Over WiMAX
- Objection One: Voice Quality of WiMAX VoIP
- Solution: Voice Codecs Designed for VoIP, Especially VoIP Over WiMAX
- Modifying Voice Codecs to Improve Voice Quality
- The QoS Solution: Fix Circuit-Switched Voice Codecs in a Packet Switched, Wireless World with Enhanced Speech-Processing Software
- Objection Two: Security for WiMAX VoIP
- Objection Three: CALEA and E911
- E911
- Architecture of WiMAX VoIP: Putting It All Together
- WiMAX VoIP Phones
- Conclusion
8. WiMAX IPTV
- WISP WiMAX Triple Play?
- IPTV: Competing with Cable TV and Satellite TV
- How It Works
- Bandwidth and Compression Technologies
- Other Video Revenue Streams
- Video on Demand
- Personal Video Recorder
- Conclusion: A TV Station Called WiMAX
9. Regulatory Aspects of WiMAX
- Operate Licensed or Unlicensed?
- Current Regulatory Environment
- Power Limits
- WiMAX 802.16 - Its Relationship to FCC Part 15, Section 247
- 802.16 - FCC Part 15, Section 407
- Interference
- Laws on Antennas and Towers
- New Unlicensed Frequencies
- Unlicensed Frequencies Summary
- The FCC New Spectrum Policy
- Four Problem Areas in Spectrum Management and Their Solutions
- Recent Statements from the FCC on Broadband and Spectrum Policy
- Conclusion
10. How to Dismantle a PSTN: The Business Case for WiMAX
- Overview
- Immediate Markets
- Secondary Markets
- Demographics
- Services
- Frequency Band Alternatives
- Capital Expense (CAPEX) Items
- CPE Equipment
- Operating Expense (OPEX) Items
- The Business Case
- Future Markets
- Economics of Wireless in the Enterprise
- You Can "Take It with You When You Go"
- Economics of WiMAX in Public Networks
- Economic Benefits of Ubiquitous Broadband
- Conclusion
11. Projections: WiMAX Is a Disruptive Technology
- Disruptive Technology
- How WiMAX Will Disrupt the Telephone Industry
- Cheaper
- Simpler
- Smaller
- More Convenient to Use
- Deconstruction
- Goetterdammerung or Creative Destruction in the Telecommunications Industry
Index
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