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Wireless Mesh Networking
Instructor: Prof. Samir R. Das
Affiliation: Computer Science Department, State University of New York, Stony Brook, New York
Duration: 25 hours
Period: May 29 - June 1, 2006
Place: Istituto di Informatica e Telematica, Via G. Moruzzi 1, Pisa, room B63, first floor building B, entrance 7
Credits: 6
Contacts: Dott. Marco Conti, Istituto di Informatica e Telematica, Italian National Research Council, Pisa
This activity is part of the Pisa International School on the Next Generation Internet.
Syllabus
- Introduction
- What is mesh networking?
- Why mesh networking?
- History: packet radio, ad hoc networks.
- Architectures and applications - last mile networking, community networking, sensor networking, targeted applications.
- Addressing the digital divide.
- Routing Issues
- Core challenges in dynamic routing
- Issues in wireless and mobile networks
- Dynamic routing protocols - proactive, reactive and hybrid
- Location-based routing
- Designing routing metrics
- Performance evaluation
- Link Layer Issues
- Basics of random access protocols. Random access vs. scheduled access.
- Carrier-sense multiple access (CSMA) and variations.
- IEEE 802.11 Standard.
- Association and handoff issues. Integration with routing.
- Limitations of 802.11 in multihop scenarios.
- Issue of interference.
- Performance evaluation.
- Use of multiple channels - multichannel MAC protocols.
- Use of multiple radios - channel assignment problem.
- Cross layer issues: joint channel assignment and routing.
- Physical Layer Issues
- Use of directional antenna
- Transmit power control
- Cross layer issues: protocols to utilize directional antennas and transmit power control
- Transport Protocol Issues
- TCP Basics
- Impact of wireless transmission errors on TCP performance
- Issues with multihop networks
- Issues with mobility
- Solution approaches
- Performance evaluation
- Issues Spanning All Layers
- Capacity
- Fairness
- Security
- Network management and monitoring
- Testbeds, Commercial Products and Standards
- Mesh testbeds in academic and industrial research labs
- Commercial mesh networking products
- Building your own testbed
- Activities in IEEE 802.11s ESS mesh working group
- Upcoming technology: WiMAX and its potential role
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