Wireless and Mobile Networks

• IEEE 802.11 Wi-Fi
• Mobile vs Wireless
• Wireless Networking Challenges
• Frequency Hopping Spread Spectrum
• Spectrum
• Direct-Sequence Spread Spectrum CDMA
• DS Spectrum
• Two Sender CDMA Example
• Peer-to-Peer or Base Stations?
• Single-Hop vs. Multi-Hop
• Hidden Node Problem
• Characteristics of selected wireless link standards
• IEEE 802.11 Wireless LAN PHYs
• 802.11: Channels and Association
• 802.11: Passive/Active Scanning
• 4-Way Handshake
• IEEE 802.11 MAC
• IEEE 802.11 Architecture
• IEEE 802.11 Priorities
• Transmission Example
• 802.11 Frame Format
• 802.11 Frame Addressing
• 802.11 Rate Adaptation
• Power Management
• IEEE 802.11 LAN: Review
• Review Exercises
• Homework 6A
• Other Wireless Networks and Mobility
• Bluetooth
• WiMAX
• Key Features of WiMAX
• Cellular Architecture
• Evolution of Cellular Technologies
• GSM
• Mobility: Mr. Smith Goes to Washington
• Mobile IP: Mechanisms
• Mobile IP: Processes
• Encapsulation/Tunneling
• GSM: Routing to Mobile
• GSM: Handoff with Common MSC
• GSM: Handoff between MSCs
• Mobility: GSM versus Mobile IP
• Impact on Higher Layer Protocols
• Other Wireless Networks: Review
• Summary
• Review Exercises

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