Course Project:

CS851: Ubiquitous Computing -- Jini (presentation)
CS650: Building Complex Software System -- A Smart House
CS851: Mobile Computing and Wireless Networking -- A Reliable Multicast MAC Protocol

Current Research Interests:

Multicast and Overlay Network
Network Security
Wireless Ad Hoc Networks
Data Broadcast (Datacast) on the DTV Network    

         Read my general introduction to Datacast ...

Publications:

1. Application-Layer Multicast with Delaunay Triangulations, Jorg Liebeherr, Michael Nahas, and Weisheng Si,  University of Virginia, Department of Computer Science, Technical Report, CS-2001-26, Nov, 2001. ( .pdf )

2. Application-Layer Multicasting with Delaunay Triangulation Overlays, Jorg Liebeherr, Michael Nahas, and Weisheng Si,  IEEE Journal on Selected Areas in Communications, Vol 20, No. 8, Oct, 2002. ( .pdf )

3. RMAC: A Reliable Multicast MAC Protocol for Wireless Ad Hoc Networks, Weisheng Si and Chengzhi Li,  Proceedings of the 2004 International Conference on Parallel Processing (ICPP 2004), Aug, 2004. ( .pdf ) ( a full version )

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