Wi Max

WiMAX for Broadband Wireless Access By: Karim M. El Defrawy ICS UCI-2005

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is WiMAX? ,[object Object],[object Object]

IEEE 802.16 -- Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 -- Introduction Coverage range up to 50km and speeds up to 70Mbps(shared among users).

IEEE 802.16 -- Introduction Source: WiMAX, making ubiquitous high-speed data services a reality, White Paper, Alcatel.

IEEE 802.16 MAC -- Highlights ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Adaptive PHY Source: Understanding WiMAX and 3G for Portable/Mobile Broadband Wireless, Technical White Paper, Intel.

Adaptive Burst Profiles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Duplex Scheme Support ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – OFDM PHY TDD Frame Structure

IEEE 802.16 MAC – OFDM PHY FDD Frame Structure

FDD MAPs Time Relevance frame Broadcast Full Duplex Capable User Half Duplex T erminal #1 Half Duplex T erminal #2 UPLINK DOWNLINK DL MAP UL MAP DL MAP UL MAP

IEEE 802.16 MAC addressing and Identifiers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – Convergence Sub-Layer (CS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC -- CS – Packet Convergence Sub-Layer ,[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC -- CPS – MAC PDU Format

IEEE 802.16 MAC -- CPS -- Three Types of MAC PDUs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC -- CPS – Data Packet Encapsulations

IEEE 802.16 MAC – CPS -- MAC Management Connections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – MAC Management Messages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – MAC PDU Transmission ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – MAC PDU Concatenation

IEEE 802.16 MAC – CPS – MAC PDU Fragmentation

IEEE 802.16 MAC – CPS – MAC PDU Packing

IEEE 802.16 MAC – CPS QoS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – Uplink Service Classes ,[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – Uplink Services: UGS ,[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – Uplink Services: rtPS ,[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – Uplink Services: nrtPS ,[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – Uplink Services: BE ,[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – Bandwidth Grant ,[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – BW Request/Grant Mechanisms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS -- Contention UL Access ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS UL Sub-Frame Structure Source: http://www.cygnuscom.com/pdf/WP_PN_Article.pdf

IEEE 802.16 MAC – CPS – Ranging ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – CPS – Automatic Repeat reQuest (ARQ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – Privacy Sub-layer (PS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – PS -- Security Associations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – PS -- Multi-level Keys and Their Usage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – PS -- Data Encryption ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – one big item is out of scope ,[object Object]

References ,[object Object],[object Object],[object Object],[object Object],[object Object]

IEEE 802.16 MAC – commonly used terms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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