Architecture of a broadband wireless access network
The role of 802.16
802.16 versus 802.20 (MBWA)
802.16 Connections and Layers
The Standards organisations:
Relationship of 802.16 to other standards:
- ETSI Hiperaccess
- IEEE 802.11
The variety of WiMAX Operators
WiMAX Access from a Laptop
WiMAX Access from Residence
WiMAX Access from a Small Business
WiMAX Quality of Service
WiMAX and mobility
The role of the WiMAX Forum™
WiMAX Profiles
WiMAX Evolution
Current 802.16 standards
Draft and emerging standards
Contributions from the WiMAX Forum
WiMAX-certified products and systems
Operational WiMAX networks
WiMAX Products
Product types
Base Stations: 802.16, 802.16e, dual mode
Subscriber Stations: outdoor, indoor, PCMCIA, PDA, laptop
WiMAX Certification process
Government regulation and spectrum licensing
North American view
Global view
WiMAX Competitive Environment
Competing technologies
Fixed: DSL, Cable Modem, BPON, Pre-802.16 proprietary
Nomadic/Mobile: 2.5G, 3G, Wi-Fi, 802.20, Pre-802.16e proprietary
Competing vendors
Value proposition for 802.16 in fixed subscriber stations
Value proposition for 802.16 in nomadic/mobile subscriber stations
Competing network operators
Value proposition for 802.16
WiMAX Applications
Backhaul (WiFi, 2.5G, 3G)
Public Networks
Business customers, MTUs
Single Family Residences, SOHO, urban/rural
Hotspots (e.g. airports)
Private Networks
Campus networks (business parks, corporate/education campuses)
Planning a WiMAX Service
Analysing Requirements and Defining Services
Determining which of the six business models are best for you
Developing an order-of-magnitude network cost estimate
Network Architecture and Equipment Choices
Forecasting demand and service penetration
Quantifying financial investment, cost and return
WiMAX High-level Technical Architecture
Physical Architecture
How do Subscribers share the wireless link?
Uplink and Downlink Issues
Steps for Joining an 802.16 network
Bandwidth Requests and Allocation
Security
Quality of Service
Wireless Issues for the subscriber
Coverage
Noise and Interference
Multipath: Why multi-carrier approaches?
Orthogonal Frequency Division Multiplexing (OFDM) for more-reliable service
Orthogonal Frequency Division Multiplexing Access (OFDMA)
The Mobile future: 802.16e subscriber
Why a mobile version of 802.16?
802.16e adoption forecast
Handover
Cell Selection
Technical Overview of 802.16
Physical network architecture
Protocol architecture
PDUs and SDUs
Payload Header Suppression
The 802.16 MAC Layer
Convergence Layers
About ATM and IP
PHS in Operation
Frame Formats
PDU Format
Uplink Scheduling Service
MAC Support of the PHY Layer
Timing of Up and Downlink
Starting up a Subscriber Station
802.16 Physical Layers
Introduction
Physical Layer for 10 - 66 GHz
Downlink Data Path
Uplink Data Path
Radio Aspects
Physical Layer for 2 - 11 GHz (Draft standard)
WiMAX deployment
Current 802.16 / WiMAX systems
Experiences to date
Operational issues
WiMAX deployment within Europe