Dr Sina Vafi

PhD

Senior Lecturer, Electrical and Electronics Engineering

Teaching

  • Analogue Electronics
  • Analogue Devices
  • Wireless Communications systems

Research interests

Research students

  • Pham HUU Dung, PhD (submitted)
  • Muhammed Rashed, Masters by Research

Selected Publications

  • H. Pham and S. Vafi, Modified Unequal Error Protection for the H.264/AVC Video Frames with Macroblocks' Motion Energy Estimation", 19th Asia-Pacific Conference on Communications (APCC), Aug. 2013, pp. 632-636.
  • H. Pham and S. Vafi, “A Multi-Level Error Protection Technique Based on Macroblocks' Importance of the H.264/AVC Video Frames", 19th Asia-Pacific Conference on Communications (APCC), Aug. 2013, pp. 465-470.
  • H. Pham and S. Vafi, “Unequal Error Protection of H.264/AVC Video Bitstreams based on the Motion Energy Estimation for Group of Pictures", IEEE International Conference on Signal Processing and Communication System (ICSPCS 2013), Dec. 2013, pp. 1-6.
  • H. Pham and S. Vafi, “Motion-Energy-Based Unequal Error Protection of H.264/AVC Video Bitstreams", Springer Journal on Signal, Image and Video Processing, pages 1-8, April 2014.
  • H. Pham and S. Vafi, Motion Energy Estimation of Group of Pictures and Its Application for Unequal Error Protection of H.264/AVC Video Bit streams", in IEEE International Conference on Communications (ICC), June 2014, pp. 1717-1722.
  • H.Li, H.Liu and S.Vafi, “Bipolar chaotic pulse position modulation communication system based on cyclic LDPC codes”, EURASIP Journal on Wireless Communications and Networking, 2014:105 doi:10.1186/1687-1499-2014-105, June 2014, online access: http://jwcn.eurasipjournals.com/content/2014/1/105
  • H. Pham and S. Vafi, “Optimised Motion Energy Estimation for Group of Pictures in in Multi-level Error Protection of H.264/AVC Video Bitstreams", IEEE Transactions on Multimedia, to be appeared in Dec. 2014.
  • H. D. Pham*, S. Vafi, ”An Adaptive Unequal Error Protection based on Motion Energy of H.264/AVC Video Frames”, IEEE Wireless Conference and Networking Conference (WCNC), 2013
  • S.Vafi, H.D. Pham,” Binary Burst Error Correcting Cyclic Codes Designed with the Circulant Parity Check Matrix”, IEEE communications Letters, vol.16, no.8, August 2012, pp.1277-1279.
  • S.Vafi, H.D.Pham, “Serially concatenated codes with Euclidean geometry LDPC and convolutional codes”, IEEE International Conference on Communication systems (ICCS), 2012, pp.393-397.
  • H. D. Pham*, Sina Vafi,” Unequal Error Protection of H.264/AVC video bitstreams based on data partitioning and motion information of slices”, International Conference on Signal Processing, Communications and Computing (ICSPCC), pp.634-639, 2012
  • S.Vafi, “Hybrid BCH-RSC codes”, 7th international conference on Wireless Communications, Networking and Mobile Computing (WiCOM), pp.1-4, 2011.
  • S.Vafi, “Low-weight distribution of parallel concatenated BCH codes”, IEEE Communications letters, vol.14, no.10, pp.960-962, October 2010.
  • S.Vafi, T.Wysocki, M.Abolhasan, “Serially concatenated turbo codes”, 5th international conference on Wireless Communications, Networking and Mobile Computing (WiCOM), pp.1-4, 2009.
  • S.Vafi, “Free distance computation of turbo BCH codes”, IEEE Symposium on Personal, Indoor and Mobile Radio communications (PIMRC), pp.1697-1701, 2009.
  • S.Vafi and T.Wysocki, “Weight distribution of turbo codes with convolutional interleavers”, IET communications, pp. 71-78, February 2007.
  • G. Heins. F. De Boer, S. Vafi, “ Characterisation of the mechanical motor parameters for a permanent magnet synchronous motor using induced torque harmonics”, Australia-Asian Power Engineering Conference, p.p. 484-488, December, 2007
  • S.Vafi and T.Wysocki, “Application of convolutional interleavers in turbo codes with unequal error protection”, Journal of Telecommunications and Information Technology, p.p. 17-23, Jan 2006.
  • S.Vafi and T.Wysocki, “On the performance of turbo codes with convolutional interleavers”, Asia-Pacific conference on Communications Conference (APCC), p.p. 222-226, Oct.2005
  • S.Vafi and T.Wysocki, “Performance of convolutional interleavers with different spacing parameters in turbo codes”, 5th Australian Communication Theory Workshop (AusCTW05), pp.8-13, Feb. 2005.
  • S.Vafi and T.Wysocki, “Modified convolutional interleavers and their application in turbo codes”, 2nd IEEE SYMPOYIC04, pp.54-57, Oct 2004.
  • S.Vafi and T.Wysocki, “Computation of free distance and low weight distribution of turbo codes with convolutional interleavers”, 15th IEEE PIMRC, pp. 1356-1359, Sep 2004.
  • S.Vafi and T.Wysocki, “Iterative turbo decoder design with convolutional interleavers”, 4th international symposium on CSNDSP, pp. 124-127, July 2004.
  • S.Vafi and T.Wysocki and I.Burnett, “Convolutional interleaver for unequal error protection of turbo codes”, DSPCS and WITSP 2003, pp.485-491, Dec.2003.
  • S.Vafi, “Improvement on reliability in wireless networks”, M2USIC 2001, Malaysia, Oct 2001.
  • Membership of professional organisations

  • Member of Engineers Australia
  • Member of Australasian Association for Engineering Education (AAEE)
  • Member of Australia Computer Society
  • Member of Institute of Electrical and Electronic Engineers (IEEE)
Dr Sina Vafi

Contacts

T: +61 8 8946 6665
E: sina.vafi@cdu.edu.au
F: +61 8 8946 6680

School of Engineering and Information Technology
Building: Purple 12.1.02
Charles Darwin University
Darwin, Northern Territory,
Australia, 0909