RESEARCH INTERESTS

• Multimedia Communications:
  • Application of Cognitive Analysis to Web Design: Can we design and adapt multimedia web pages suited to individual cognitive styles?
  • Expressive Communications: The detection of emotion from e-text, and display of emotive images. Applications include chat, stock markets, games, e-theatre.
  • e-business: Scalability of web servers: Does your web server perform and does it scale well with future expansion?

• Wireless LAN Communications
  • MAC level performance optimization of wireless protocols. The application of Markov  chains in 802.11 in order to predict throughput and delay.
  • TCP/IP Performance of wireless LANs

Optical Communications

• Design of Optical Fibres and Optical Fibre Components: The modeling of optical fibres and components using equivalent circuits.
• Inverse Scattering Techniques applied to Fibre Optics: Design of filters and components can be achieved in the time domain and/or the frequency domain using Inverse scattering and layer peeling techniques.

Optical Wireless Communications (Indoors and Outdoors)

• Indoors: IrDA Protocol analysis and optimization: Examine the performance of Multi-Gbit/s short range wireless links.
• Outdoors: Optical Access using optical wireless. Protocol performance for duplex and simplex operation.