Wireless comms, in particular scalable, cognitive and high performance schemes:

• Cross-layer wireless schemes for challenging scenarios
• Multi-carrier and OFDM techniques for higher level apps
• Cognitive schemes and white spaces applications
• Software Defined Radio (SDR)
• Low level QoS and fairness
• Markov and probabilistic modelling
• Randomized and real-time algorithms

I'm the author and webmaster of the DTG website.

1. Sherif Akoush, Ripduman Sohan, Bogdan Roman, Andrew Rice, Andy Hopper, "Activity Based Sector Synchronisation: Efficient Transfer of Disk-State For WAN Live Migration," The 19th Annual Meeting of the IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS'11), Singapore, Jul 2011

2. Bogdan Roman, Ian Wassell, Ioannis Chatzigeorgiou, "Scalable Cross-Layer Wireless Access Control Using Multi-Carrier Burst Contention," IEEE Journal on Selected Areas in Communications, vol. 29, no. 1, pp. 113-128, Jan 2011

3. Bogdan Roman, "Scalable Cross-Layer Wireless Medium Access Control," PhD thesis, University of Cambridge, Computer Laboratory, Oct 2010

4. Bogdan Roman, Ioannis Chatzigeorgiou, Ian Wassell, Frank Stajano, "Evaluation of Multi-Carrier Burst Contention and IEEE 802.11 with Fading During Channel Sensing," 20th IEEE International Symposium on Personal Indoor Mobile Radio Communications, PIMRC'09, Tokyo, Japan, Sep 2009

5. Bogdan Roman, "From analog to digital circuts: A phenomenological overview," Presentation, May 2008

6. Bogdan Roman, Frank Stajano, Ian Wassell, David Cottingham, "Multi-Carrier Burst Contention (MCBC): Scalable Medium Access Control for Wireless Networks," Proceedings of the IEEE Wireless Communications and Networking Conference 2008, vol 9, pp 1667-1672, Mar 2008

7. Bogdan Roman, "A Survey on Medium Access Control in Wireless LANs," Technical Report, University of Cambridge, Computer Laboratory, Sep 2007

8. Bogdan Roman, Frank Stajano, "Scalable Medium Access Control," Microsoft Research Workshop 2007 (poster, 2nd place), Cambridge, UK, Jun 2007