Overview of WiMAX and IEEE 802.16 Fixed Wireless Access: The role of 802.16 WiMAX as a Wireless MAN WiMAX applications (Market Opportunities) Last Mile connectivity and broadband services WiMAX Hotspots WiMAX Cellular Backhaul High-speed Enterprise connectivity Mesh Networks WiMAX implementation scenarios
Business Plans and Customers Operators Needs WiMAX operation in LOS and NLOS environments The Standards organisations:
IEEE ETSI WiMAX Forum and Multi Vendor interoperability 802.16 Connections and Layers
The IEEE Framework WiMAX services and benefits 802.16 (WiMAX), 802.11 (Wi-Fi) and 802.20 (MBWA) US and European RF regulations
U.S. Deployment: 10-66 GHz, 25MHz channels European Deployment: 10-66 GHz, 25MHz channels Current WiMAX deployments
802.16 Family of Standards
Structure of the Standard 802.16 802.16a and ETSI HiperMAN/BRAN standard 802.16a amendment: 2-11GHz 802.16-2004 (802.16) 802.16c 802.16e 802.16f 902.20 and 3G Wireless MAN Licensed Wireless HUMAN (License-exempt) System profiles for 10-66GHz WiMAX FDD and TDD sub-profiles WiMAX RF Design and Characteristics Introduction to Microwave RF
Radio Theory The deciBel (dB) Radio Propagation Path Loss Fading (Slow and Fast) Effects of Multipath Radio Modulation: Adaptive Modulation Binary Phase Shift Keying (BPSK) Quadrature Phase Shift Keying (QPSL) 16-Quadrature Amplitude Modulation (QAM) 64-Quadrature Amplitude Modulation (QAM) 802.16 Service Areas Physical layer considerations High capacity Downlinks and Uplinks Time Division Duplexing (TDD) Frequency Division Duplexing (FDD) WiMAX Base Station Hand-off
WiMAX Air Interface - Physical Layer 2-11GHz Bands WiMAX Physical Medium Dependent Layer (PMD) Data Link Layer Network Layer Transport Layer WiMAX Physical Layer (PHY) specifications
Channel allocation and spacing Guard Interval WiMAX Physical Layer architecture WiMAX Physical Layer operations Orthogonal Frequency Division Multiplexing (OFDM) Orthogonal Frequency Division Multiple Access (OFDMA) Scheduling and Link Adaptation Adaptive Antenna Systems (AAS) Multiple Inputs, Multiple Outputs (MIMO) Spatial Division Multiple Access (SDMA) Read-Solomon (RS) coding Convolutional coding (CC) Symmetric UL/DL traffic 256-point FFT OFDM PHY mode Downlink PHY transmit diversity Space Time Coding (STC) WirelessMAN - SC PHY Layer WirelessMAN - OFDM PHY Layer WirelessMAN - OFDMA PHY Layer 802.16 Medium Access Control (MAC)
WiMAX Air Interface - MAC layer MAC Frame Types and Classes WiMAX MAC frame structure WiMAX Access Methods Synchronisation WiMAX power management Variable-length PDUs Self-correcting Bandwidth Request/Grant scheme Link adaptation and Automatic Repeat Request (ARQ) Fast path activities:
Scheduling Packing Fragmentation ARQ UL and DL scheduling High bit rates Delivering ATM-compatible QoS:
WiMAX unsolicited Grant Services (UGS) WiMAX Real-Time Polling Services (rtPS) WiMAX Non-Real-Time Polling Services (nrtPS) WiMAX Best Effort Services (BE) Best Practises for Implementing WiMAX Security The security vulnerabilities of wireless networks Wireless Intrusion Detection Systems (IDS) Securing 802.16 WiMAX Networks WiMAX security policy implementation Authentication, Authorisation and Accounting (AAA) The role of RADIUS 802.1X Authentication and Access Control Encryption 802.1X Key Management Message Integrity Virtual Private Networks (VPNs) and WiMAX Roaming across IP subnets Configuring IPSec over L2TP Configuring VPN clients User-specific security policies
Planning a WiMAX Network Defining network requirements Feasibility assessment WiMAX Subscriber Station (SS) WiMAX Base Station (BS) planning
WiMAX Network Design WiMAX Base Station locations WiMAX Access Point channel assignment WiMAX RF propagation and coverage Environmental factors Sources of interference WiMAX co-existence with:
HiperMAN 802.11 (Wi-Fi) Cellular mobile systems WiMAX RF modelling Coverage versus Capacity WiMAX network planning and design scenarios 802.16 WiMAX Link Budget analysis
Implementing a WiMAX Network Installing a WiMAX network Packet classification Mapping user applications and network interfaces: - Ethernet, TDM, ATM, IP, VLAN WiMAX Service Classes Fragmentation Equalisers and RAKE receivers Installation options WiMAX Performance
Delivering Voice over IP Services (VoIP) Voice over WiMAX Video over WiMAX IEEE 802.16i Current VoIP over WiMAX solutions
WiMAX Quality of Service (QOS) Service Flows Identities QoS Parameter Sets Service Classes Service Flow Creation Mobile Service Classes Delivery ATM-compatible QoS
Current trends with WiMAX Emerging WiMAX standards Other RF standards: Wi-Fi, Bluetooth, DECT Integration of WiMAX and cellular mobile networks 3G 3GPP standards WiMAX and Mobile IP |