All Stories

  1. Resource allocation in OFDM-based cognitive radio networks with multiple AF relays

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  2. Interference minimization based power allocation for cognitive radio networks operating in TV white spaces

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  3. Power allocation in OFDM cognitive radio relay networks with outdated channel state information

    Article • International Journal of Communication Systems, February 2014, Wiley

    Dr Upul Gunawardana

  4. Compressive Sensing for Structural Damage Detection of Reinforced Concrete Structures

    Article • Key Engineering Materials, July 2013, Trans Tech Publications

    Dr Upul Gunawardana

  5. An implantable encased microstrip ring rectenna for wireless biomedical applications

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  6. Resource allocation in multiple DF relay assisted OFDM cognitive radio relay networks with the knowledge of fading statistics

    Article • April 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  7. Outage Probability Analysis of Multiple Antenna Dual-Hop Networks with Interference-Limited Relay

    Article • IEICE Transactions on Communications, January 2013, Institute of Electronics, Information and Communications Engineers (IEICE)

    Dr Upul Gunawardana

  8. An implantable encased microstrip ring disk antenna

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  9. Power allocation in DF relay assisted OFDM cognitive radio networks with outdated CSI

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  10. New power allocation methods for AF relay assisted OFDM cognitive radio networks with outdated CSI

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  11. An implantable miniature microstrip disk antenna

    Article • July 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  12. Distributed switch-and-examine combining with threshold-based relaying

    Article • January 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  13. Selective sub-carrier relaying and power allocation for multi-relay-assisted cooperative OFDM systems with outdated CSI

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  14. Outage probability analysis of two-hop MIMO relay networks with interference at the relay

    Article • January 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  15. Mixed Rayleigh and Rician fading with partial relay selection

    Article • December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  16. Performance analysis of IEEE 802.15.4 MAC Protocol for WSNs with ACK frame transmission under unsaturated traffic conditions

    Article • December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  17. Wireless Sensor Networks for Structural Health Monitoring: Considerations for communication protocol design

    Article • January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  18. Efficient simulation of terminated convolutional codes

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  19. Fast simulation of turbo codes over Rayleigh fading channels

    Article • May 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  20. Tighter performance upper bounds for terminated convolutional codes in Rayleigh fading channels

    Article • May 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  21. Social Impact of SMS in Sri Lanka

    Article • December 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  22. Fast simulation of turbo codes over AWGN channels

    Article • October 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  23. Optimization of sliding window algorithm for space-time turbo trellis codes

    Article • October 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  24. Fixed-point performance of space-time turbo trellis codes on fast fading channels

    Article • October 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  25. Fixed-Point Performance of Space-Time Turbo Trellis Coded Modulation

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  26. Sliding Window Algorithm for Space-Time Turbo Trellis Coded Modulation

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  27. Importance Sampling Simulation of Orthogonal Space-Time Block Coded Systems

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana

  28. Monitoring of the Coalesced Ice Ball in Cryosurgery

    Article • November 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Upul Gunawardana