Dr Dhammika Jayalath

Name:	Dr Dhammika Jayalath
Position:	Lecturer
Organisation:	Queensland University of Technology
Department/Division:	School of Engineering Systems
Primary Areas:	Telecommunications
Expertise:	Wireless Communications Wireless Brodband Technologies Next Genration mobile communications Orthogonal Frequency Division Multiplexing Space-Time coding Cooperative Communication Systems
Organisation type:	Professional
Website:	www.qut.edu.au
Notes:	Memeber - IEEE
Will do interviews except for:	TV (live)
Expert's direct contacts:
Phone:	+61731388034
This expert is available for:	Research collaboration, Consulting work, Conference presentation opportunities, Other speaking engagements

Publications:	Book chapters A. D. S. Jayalath and C. Tellambura, C-OFDM to reduce peak-to-average power atio of an OFDM signal," in T. Wysocki, M. Darnell and B. Honary (eds) Advanced signal processing for communications systems, Kluwer Academic Publishers Group, Dordrecht, The Netherlands, 2002. A. D. S. Jayalath and C. Tellambura, \Peak-to-average power ratio of IEEE 802.11a PHY layer signals," in T. Wysocki, M. Darnell and B. Honary (eds) Advanced signal processing for com- munications systems, Kluwer Academic Publishers Group, Dordrecht, The Netherlands, 2002. Technical Reports A. D. S. Jayalath and C. Tellambura: "Peak-to-average Power Ratio of Orthogonal Frequency Division Multiplexing," 2002/116, School of Computer Science and Software Engineering, Monash University, 2002, 58pp. S. Kandeepan and A. D. S. Jayalath, "Waterborne Wireless Communications Channel Mea- surements: Signal Propagation Analysis at 2.4GHz Frequency" , AiS Rowing Project, NICTA, WSP, August 2006, PA Number: PA006223. Journal Papers M. Zhang, A.D.S. Jayalath, T. D. Abhayapala, D. Smith and C. Athaudage, "Compensation Decoding of Space Time Frequency Block Codes", IEEE Communications Letters, vol. 11, No. 7, pp. 610-612, July 2007. J. Zhang, A. D. S. Jayalath and Y. Chen, "Asymmetric OFDM Systems Based on Layered FFT Structure", IEEE Signal Processing Letters, vol. 14, no. 11, pp. 812-815, Nov. 2007. A. D. S. Jayalath and C. Tellambura, "SLM and PTS Peak-Power Reduction of OFDM Signals without Side Information," IEEE Transactions on Wireless Communications, vol. 4, no. 5, Sept. 2005, pp. 2006-2013. A. D. S. Jayalath and C. R. N. Athaudage, "On the achievable PAR reduction in OFDM using multiple signal representation," IEEE Communications Letters, vol. 8, no. 7, pp. 425-427, 2004. C. Athaudage A. D. S. Jayalath, "Delay-spread estimation using cyclic-prefix in wireless OFDM systems," IEE Proceedings on Communications,, vol. 151, no. 6, pp. 559-566 2004. C. Athaudage A. D. S. Jayalath, "Enhanced MMSE Channel Estimation Using Timing Error," IEEE Transactions on Broadcasting,, vol. 50, no. 4, pp 369-376, 2004. A. D. S. Jayalath and C. Tellambura, "Use of Data Permutation to Reduce the Peak-to- Average Power Ratio of an OFDM Signal," Wireless Communications and Mobile Computing Journal, vol. 2, No. 2, pp. 187-203, 2002. A. D. S. Jayalath and C. Tellambura, "An adaptive PTS approach for the reduction of peak-to-average power ratio of an OFDM signal," IEE Electronics Letters, vol. 36, pp. 1161{1163, July 2000. A. D. S. Jayalath and C. Tellambura, \Reducing the peak-to-average power ratio of an OFDM signal through bit or symbol interleaving," IEE Electronics Letters, vol. 36, pp. 1161{1163, June 2000. C. Tellambura and A. D. S. Jayalath, \Generation of bivariate Rayleigh and Nakagami-m fading envelopes," IEEE Communications Letters, vol. 4, pp. 170{172, May 2000. Conference Publications Min Zhang Thushara D. Abhayapala, A. D. S. Jayalath, David Smith and C. R. N. Athaudage, "Multirate Space-Time-Frequency Linear Block Coding", IEEE International Conference on Communications 2008, (ICC '08) Beijing, China, 19-23 May, 2008. C. R. N. Athaudage, M. Zhang, A. D. S. Jayalath, and T. D. Abhayapala, "Complexity MIMO Detection for Spatial Multiplexing Systems", Australian Communications Theory Workshop (AusCTW 2008), Christchurch, New Zealand, January 30 - February 1, 2008. X. Chen, H. Jones, A. D. S. Jayalath, "Eective Link Operation Duration: a New Routing Metric for Mobile Ad Hoc Networks", International Conference on Signal Processing and Communication Systems ICSPCS2007, Australia, Gold Coast, 17-19 December 2007. Bharath Umasankar*, A. D. S. Jayalath and Xavier Fernando, "Adaptive Performance Im- provement of OFDM Radio over Fiber Systems", International Symposium on Signals, Systems, and Electronics (ISSSE 2007), Montral, Qubec, Canada, July 30 - August 2, 2007. X. Chen, H. Jones, A. D. S. Jayalath, "Congestion-Aware Routing Protocol for Mobile Ad Hoc Networks", IEEE 66th Vehicular Technology Conference VTC2007-Fall, pp. Baltimore, 30 September - 3 October 2007. Y. Chen, A. D. S. Jayalath, J. Zhang and T. Pollock, "Frequency Oset Estimation for OFDM System in the Presence of I/Q Mismatch", IEEE PIMRC 2007, Athence, Greece, pp 1-5, 3-7 Sept. 2007. J. Zhang, Y. Chen, and A. D. S. Jayalath, "Complexity Adaptive OFDM Systems" The 32nd International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2007, pp. 611-614, Hawai, Honolulu, April 15 - 20, 2007. S. Kandeepan and A. D. S. Jayalath, "Narrow-Band Channel Simulator Based on Statistical Models Implemented on Texas Instruments C6713 DSP and National Instruments PCIe-6259 Hardware" 10th IEEE International Conference on Communication Systems 2006 Jy Lynn Ong, A. D. S. Jayalath and C. R. N. Athaudage, "Adaptive Time-Frequency Spreading of Quasi-Orthogonal Block Codes for MIMO-OFDM Systems" 10th IEEE International Conference on Communication Systems 2006 C. R. N. Athaudage and A. D. S. Jayalath "An Ecient Framework to Exploit Frequency Diversity in OFDM: Precoding with Adaptive Subcarrier Selection " IEEE 17th International Symposium on Personal Indoor Mobile and Radio Communications, Helsinki, Finland Sep. 2006. X, Yuan, J. Zhang, A. D. S. Jayalath and T. Abhayapala , "Influence of Timing Oset in Multiband OFDM Systems", International Conference on Wireless Broadband and Ultra Wideband Communications (Auswireless 2006), Sydney Australia , 2006. Chen, Y., Zhang, J. and Jayalath, A. D. S. "Multiband-OFDM UWB Vs IEEE 802.11n System Level Design Considerations". 63rd IEEE Vehicular Technology Conference (VTC), May 2005, Melbourne, Australia. Chen, X. and Jayalath, A. D. S.and Jones, H. "A Cross Layer Design for Mobile Ad-hoc Networking in Fast Fading Channels, in Proc. 8th International Symposium on DSP and Communication Systems", DSPCS 2005 & 4th Workshop on the Internet, Telecommunications and Signal Processing, WITSP2005, Noosa Heads, Sunshine Coast Australia, 19-21 Dec. 2005. Chen, Y. and Jayalath, A. D. S. and Abhayapala, T. D. "Low Complexity Desision Directed Channel Tracking for MIMO WLAN Systems", International Symposium on Intelligent Signal Processing and Communications Systems (ISPACS'05), Hong Kong, 13-16 Dec. 2005. C. R. N. Athaudage and A. D. S. Jayalath, "Blind Estimation of Residual Timing Error in OFDM Receivers; A non-data aided Maximum Likelihood Approach," IEEE 16th International Symposium on Personal Indoor Mobile and Radio Communications, Belin Germany Sep. 2005. vol. 4, no. 5, Sept. 2005, pp. 2006-2013. A. D. S. Jayalath and C. R. N. Athaudage, "Peak power reduction of Space-time coded OFDM signals,"In Proc. IEEE Int. Symp. on Spread Spectrum Techniques and Apps. (Sydney, Australia) 30 Aug. - 2 Sept. 2004, pp. 797-801. C. Athaudage A. D. S. Jayalath, "Enhanced MMSE Channel Estimation Using Symbol Timing Error Statistics for Wireless OFDM Systems," DSPCS03 & WITSP03, 2003. C. Athaudage A. D. S. Jayalath, "A Novel RMS Delay-Spread Estimation Technique for Wireless OFDM Systems," ICICS-PCM'03 2003. C. R. N. Athaudage A. D. S. Jayalath , "Low-complexity channel estimation for wireless OFDM systems," International Symposium on Personal, Indoor and Mobile Radio Communications, Beijing, China, pp. 521-525, 2003. A. D. S. Jayalath and C. R. N. Athaudage, "On the achievable PAR reduction in OFDM using multiple signal representation," International Symposium on Personal, Indoor and Mobile Radio Communications, Beijing, China, pp. 799-803, 2003. A. D. S. Jayalath and C. Tellambura, "Side Information in PAR reduced PTS-OFDM," International Symposium on Personal, Indoor and Mobile Radio Communications, Beijing, China, pp. 226-230, 2003. C. Athaudage A. D. S. Jayalath, "Delay-spread estimation using cyclic-prex in wireless OFDM systems," ICASSP'03 April 6 - 10, Hong Kong, 2003. A. D. S. Jayalath and C. Tellambura, "A Blind Detection Algorithm for PTS," IEEE International Symposium on Advances in Wireless Communications (ISWC'02) September 23 - 24, Victoria, Canada, pp. 125-126, September 2002. A. D. S. Jayalath and C. Tellambura, "Blind SLM receiver for PAR reduced OFDM," IEEE Vehicular Technology Conference, September 2002. A. D. S. Jayalath and C. Tellambura, "PC-OFDM to reduce peak-to-average power ratio of an OFDM signal," in 6th International Symposium on Digital Signal Processing for Communication System - DSPCS'02 ,(Sydney-Manly), pp.224-228, January 2002. A. D. S. Jayalath and C. Tellambura, "Peak-to-average power ratio of IEEE 802.11a PHY layer signals," in 6th International Symposium on Digital Signal Processing for Communication System - DSPCS'02 , (Sydney-Manly), pp.31-36, January 2002. A. D. S. Jayalath and C. Tellambura, "Peak-to-average power ratio reduction of an OFDM signal using data randomization with embedded side information," in IEEE International Sym- posium on Circuits and Systems, pp. 562-565, (Sydney, Australia), 2001. C. Tellambura and A. D. S. Jayalath, \PAR reduction of an OFDM signal using partial transmit sequences," in IEEE Vehicular Technology Conference, (Atlantic City, NJ USA), pp. 465-469, 2001. A. D. S. Jayalath and C. Tellambura, "Reducing the out of Band Radiation of an OFDM Signal," in IEEE Vehicular Technology Conference, (Atlantic City, NJ USA), pp. 829-833, 2001. A. D. S. Jayalath and C. Tellambura , "Peak-to-average power ratio of a Zipper signal," in IEEE Vehicular Technology Conference, (Atlantic City, NJ USA), pp. 1111-1114, 2001. A. D. S. Jayalath and C. Tellambura, "The use of interleaving to reduce the peak-to-average power ratio of an OFDM signal," in IEEE Global Telecommunications Conference, (San Fran-cisco, California, USA), pp. 82-86,2000. A. D. S. Jayalath, C. Tellambura, and H. K. Wu, "Reduced complexity PTS and new phase sequences for SLM to reduce peak to average power ratio of OFDM," in IEEE Vehicular Technology Conference, vol. 3, (Tokyo, Japan), pp. 1914-1917, 2000. A. D. S. Jayalath, K. Sathanandan, and C. Tellambura, "OFDM with reduced peak-to-average power ratio by interleaving," in IEEE Pacific-Rim Conference on Multimedia , (Sydney, Australia),pp. 120-123, 2000. A. D. S. Jayalath and C. Tellambura, "Reducing the peak-to-average power ratio of an OFDM signal by interleaving," in Third International Symposium on Wireless Personal Multimedia Communications, (Bangkok, Thailand), pp. 698-703, 2000. A. D. S. Jayalath, R.M.A.P.Rajatheva, K.M.Ahmed, "Appliocation of Orthogonal Frequency Division Multiplexing with concatenated Turbo Trellis coded modulation for WATM" IEEE 10th International Symposium on Personal Indoor and Mobile Radio Communications," pp. 588-592, Osaka Japan, Sept. 1999. Go Ho Park, Nguyen Hohang Ha, A. D. S. Jayalath, R.M.A.P.Rajatheva, "Performance of Turbo Coded Modulation Scheme in Frequency Selective Rayleigh fading channels," IEEE 49th Annual International Vehicular Technology Conference Houston, pp. 889-893, Texas, USA. May 1999. A. D. S. Jayalath, R.M.A.P.Rajatheva, K.M.Ahmed, "Coded Orthogonal Frequency Division Multiplexing for Wireless ATM," IEEE 49th Annual International Vehicular Technology Conference, pp. 2049-2053 Houston, Texas, USA, May 1999. A. D. S. Jayalath, R.M.A.P. Rajatheva, "Application of Orthogonal Frequency Division Multiplexing with concatenated coding in Wireless ATM," 2nd Symposium of Advanced Technologies, School of Advanced Technologies, Asian Institute of Technology, Thailand, Dec. 1998.