600.647 Advanced Topics in Wireless Networks Instructor: Dr. Baruch Awerbuch TA: Herbert Rubens CO-TA: David Holmer Class Webpage off of Mon – Wed 10am.

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Presentation transcript:

Advanced Topics in Wireless Networks Instructor: Dr. Baruch Awerbuch TA: Herbert Rubens CO-TA: David Holmer Class Webpage off of Mon – Wed 10am – 11am Shaffer 300

General Overview Research Paper Discussions Every week papers will be assigned that are related to the topic of the lecture. Every week papers will be assigned that are related to the topic of the lecture. Papers will be discussed in class in a group discussion format. Papers will be discussed in class in a group discussion format. Class participation will count towards final grade Class participation will count towards final grade

Class Topics Wireless Fundamentals Shared Medium Shared Medium Waves, Signal, Noise, Information Theory, coding Waves, Signal, Noise, Information Theory, coding Medium Access Control Hidden terminals Hidden terminals Fairness Fairness Ad hoc networking Multi-hop routing Multi-hop routing AODV, DSR, Pulse, OLSR, DSDV Energy efficient operation Energy efficient operation Hybrid networks Hybrid networks Traditional Access Points Distributed Algorithms Peer-to-peer directories, distributed agreement … Peer-to-peer directories, distributed agreement … Security for all of the above

Wave Relay Test-bed A multi-hop ad hoc networking platform Allows users to wirelessly “hop” across other users to reach destination Allows users to wirelessly “hop” across other users to reach destination Deployed on campus Currently in New Engineering Building Currently in New Engineering Building Soon will cover engineering quad as well Soon will cover engineering quad as well We are continuing to build network out across campus and surrounding areas We are continuing to build network out across campus and surrounding areas Software runs on an embedded Linux platform Boots off a compact flash card Boots off a compact flash card Single board computer Single board computer Multiple wireless cards Multiple wireless cards Ad hoc access points, multiple frequencies or channels Ad hoc access points, multiple frequencies or channels Operates extremely well under mobility Operates extremely well under mobility Tested from moving vehicles Devices can be battery powered Devices can be battery powered Battery lasts around 24 hours

Approximate Coverage Area

Adding Soon!

More devices coming… Currently ordering parts to build 25 more wireless routers Most likely will have a router building “party” for interested students Information on test-bed available at: Wireless.cs.jhu.edu

Pointers Main Project Website: Wireless.cs.jhu.edu Wireless.cs.jhu.edu Includes links to class website, Wave Relay website etc… Includes links to class website, Wave Relay website etc… Wireless Communication Lab in NEB 213 Dr. Awerbuch’s office is in NEB 318