I was with Wireless and Networking Group, Microsoft Research Asia (04/04-08/05), working on Cognitive Software Radios and Open Spectrum. The projects that I have worked on:

I was with Wireless Research Laboratory, Bell-Labs, Lucent Technolgies (08/99-03/04). My research was on radio resource allocation for broadband wireless networks. Here are a few links to what I have worked on:
My thesis research at Univ. of Maryland , College Park was on multimedia communications, a cross layer design framework to provide resource efficient multimedia delivery over noisy channels. Here are a few links to the projects I have worked on: