Mohammed Zafar Ali Khan

Associate Professor & Head of the Department


Areas of Interest :

space-time coding for MIMO channels, distributed space-time coding and cooperative communication, coding for multiple-access and relay channels, network coding, space-time signal processing, joint Baseband-RF optimization, software defined radio, cognitive radio and MIMO radar.

Email :

zafar [at] iith.ac.in

Phone : +91 (40) 2301 6010

 


       

      Background

       

      Dr. Mohammed Zafar Ali khan received the B.E degree in Electronics and communications from Osmania University, Hyderabad, India, the M.Tech degree in Electrical Engineering from IIT Delhi and Ph.D. degree in electrical communication engineering from IISc,Bangalore, in 1996,in 1998 and 2003 respectively. He was a design engineer with sascane, Bangalore in 1999,a senior design engineer with silica semiconductors, Bangalore from 2003-2005, and a senior member of Technical staff at Hellosoft, india in 2005 and Assistant Professor at IIIT Hyderabad from 2006-2009. He is currently with IIT Hyderabad as an associate professor. He has more than ten years of experience in teaching and research. He has made note worthy contributions to Space time codes and Space time block codes designed by him have been adopted by the WiMAX Standard. He is also recipient of INAE young engineer award 2006. His research are in coded modulation, Space-Time Coding, and Signal Processing for wireless Communications. He has been a chief investigator for a number of sponsored and consultancy projects. He is a reviewer for many international and national journals and conferences. He also author of book ”Single and double symbol decodable Space time block codes ” from Lambert academic press ,Germany.



       

      Patents

       

      1. A low decoding complexity system for four antenna transmitters using coordinate interleaved orthogonal designs.

      Inventors : MD Zafar Ali khan and B Sundar Rajan

      2. Low decoding complexity system for two antenna transmitters using coordinate interleaved orthogonal designs .

      Inventors : MD Zafar Ali Khan and B Sundar Rajan

      3. A Method and System for minimizing bit error rate (BER) of Multi-input  Multi-output(MIMO) fading channels with channel state information at the transmitter (feedback).

      Inventor : Mohammed Zafar Ali Khan

       


       

      Publications

       

    1. Prashanth Pai and Md. Zafar Ali Khan, Comparison of SC and MRC Receiver Complexity for Three Antenna Diversity Systems , 24th Queen's Biennial Symposium on Communications, Kingston, Canada, June 24- 26, 2008.
    2. Mohammed.zafar Ali Khan”achieving exponential diversity on fading channels”,IEEE Biennal symposium on   communications , 2008  , Ontario ,Canada ,june  26-28,2008.                               
    3. Shashank Mittal, Md. Zafar Ali Khan, M. B. Srinivas, "A Comparative Study of Different FFT Architectures for Software Defined Radio", International Symposium on Systems, Architectures, Modeling and Simulation (SAMOS VII) Workshop, Samos, Greece, July 16-19 2007.
    4. Shashank Mittal, Md. Zafar Ali Khan, M. B. Srinivas, "A Comparative Study of Different FFT Architectures for Software Defined Radio", Lecture notes in Computer Science, vol  4599,july 2007,pp.375-384.
    5.  Niranjan and Mohammed.zafar Ali Khan”optimal power allocation for transmitter selection in MISO Rayleigh fading channels”,IEEE Sarnoff symposium,princetom,New jersey april 30-may 2,2007
    6.   Harinath and Mohammed.zafar Ali Khan “optimal power allocation in space and time in MISO Rayleigh fading channels with peak to average power ratio constraint”, IEEE Sarnoff symposium,princetom,New jersey april 30-may 2,2007.
    7.  Shashank Mittal, Md. Zafar Ali Khan and M.B.Srinivas, “On the Suitability of Bruun’s FFT Algorithm for Software Defined Radio”, IEEE Sarnoff Symposium, Princeton, New Jersey, Apr 30- May 2, 2007.
    8. Md. Zafar Ali Khan, S. Abdul Qadeer and Md. Yusuf Khan, “Fast Computation of Partial DFT for Comb Spectrum Evaluation”,  IEEE Signal Processing Letters, December, 2006, pp. 721-724.
    9.  Mohammed.zafar Ali Khan and B.Sundar Rajan,”A single-symbol maximum likelihood decodable linear STBCs”,IEEE transaction on information theory vol.52, no 5 May 2006,pp.2062-2091.
    10. Md. Zafar Ali Khan, S. Abdul Qadeer and Md. Yusuf Khan, “Fast Computation of Partial DFT for Comb Spectrum Evaluation”, Proceedings of IEEE International conference on Communications (ICC 2006), Istanbul, Turkey, June 12-16, 2006.
    11. Mohammed  zafar Ali Khan “low complexity Ml channel estimation schemes for OFDM”proceeding of IEEE international conference on communication(MICC 2005),Kalua lampur Maleshia,Nov.17-18 2005,pp.21-25.
    12. R.V.Jagannadha Rao Doddi, V. Shashidhar, Md.Zafar Ali Khan and B. Sundar Rajan, `` Low-complexity, Full-diversity Space-Time-Frequency Block Codes for MIMO-OFDM,''Proceedings of IEEE Global Telecommunications Conference (GLOBECOM 2004), Communication Theory Symposium, Dallas, Texas, 29 Nov-3 Dec., 2004, pp.204-208.
    13. Zafar Ali Khan and B. Sundar Rajan, ``On the Maximal Rate of Square Quasi-Orthogonal Designs,'' Proceedings of IEEE International Symposium on Information Theory (ISIT 2004), Chicago, June 27- July 2, 2004, p.358
    14. Mohammed.zafar Ali Khan and B.Sundar Rajan,”A generalizations of some results on orthogonal designs for STBCs”,IEEE transaction on IEEE theory vol.50 No.1 Jan.2004 pp.218-219.
    15. Zafar Ali Khan and B. Sundar Rajan,''Space-Time block codes from designs for fast-fading channels,''Proceedings of IEEE International Symposium on Information Theory (ISIT 2003), Yokohama, Japan, June 29-July 4, 2003, p.154
    16. Zafar Ali Khan, B. Sundar Rajan and Moon Ho Lee,``On Single-Symbol and Double-Symbo Decodable STBCs,''Proceedings of IEEE International Symposium on Information Theory (ISIT 2003), Yokohama, Japan, june  29-july 4, pp.127.
    17. Zafar Ali Khan and B. Sundar Rajan,``Space-Time Block Codes from Co-ordinate Interleaved Orthogonal Designs,'' Proc: IEEE International Symposium on Information Theory,(ISIT 2002), Lausanne, Switzerland, June 30-July 5, 2002, p.275.
    18. Zafar Ali Khan and B. Sundar Rajan,``Generalized Differential Space-Time Block Codes,''Proceedings of the Ninth National Conference on Communications, NCC-2003, IIT Madras, Jan.31- Feb.2, 2003, pp.5-9.
    19. Zafar Ali Khan and B. Sundar Rajan, ``Space-Time block codes from designs for fast-fading channels,''Proceedings of IEEE International Symposium on Information Theory (ISIT 2002),lousanne,Switzerland,june 30-july 5,2002,p.275.
    20. Mohammed.zafar Ali Khan and B.Sundar rajan”A rate 1 space time code for three transmit antennas”NCC 2002,Mumbai,Feb 27-28.
    21. Mohammed.zafar Ali Khan and B.Sundar rajan"Bit and Coordinate Interleaved Coded Modulation,"Conference Record:IEEE, Global Telecommunications Conference, (GLOBECOM-2000), San Francisco, 27 Nov.-1, Dec., 2000, pp.1595-1599.
    22. Zafar Ali Khan and B. Sundar rajan,"A Tight Upper Bound for 8-PSK BICM Schemes for Rayleigh Fading Channels,''Proceedings: International Symposium on Information Theory and Its Applications, (ISITA 2000), Volume-I, Honolulu, Hawaii, U.S.A., Nov.5-8, 2000, pp.164-167
    23. Zafar Ali Khan and B. Sundar Rajan,"A 4-State Asymmetric 8-PSK TCM Scheme for Rayleigh Fading Channels Optimum at High SNRs,"Proc.of 2000 IEEE 51st Vehicular Technology Conference (VTC2000-Spring), May 15-18, 2000, Tokyo, Japan, pp.685-689.
    24. Zafar Ali Khan and B. Sundar Rajan,"A New 4-State Asymmetric 8-PSK TCM Scheme for Rayleigh Fading Channels,"Proceedings of the 22nd Symposium on Information Theory and Its Applications, (SITA99), Nov.30-Dec.4, 1999, Yuzawa, Niigata, Japan, pp.749-752.

       


    Teaching :

    Cognitive Radio-2011-12
    EM theory-2010-11-12-13
    Linear Algebra-2012
    Wireless communications-2010