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  • 3:02 PM, Sunday, 26 Sep 2021

Department of Avionics
     
Chris Prema S., Ph.D
Assistant Professor
 
Office
Tel:+91-471-2568592
Fax:+91-471-2568406
Email:chrisprema@iist.ac.in













Education
  • Ph.D, Dept. of Avionics, IIST, Trivandrum.
  • M. E. Applied Electronics, Govt. College of Technology, Coimbatore, Anna university (2005).
  • B. E. Electronics and communication, Manonmaniam Sundaranar University (2000).

Course Offered
  • Undergraduate:Basic Electronics, Analog Circuits, Signals And Systems, Digital Electronics, Digital Signal Processing and Digital communication.
  • Postgraduate: Communication Systems, Advanced Digital Signal Processing.

Experience
  • Assistant Professor,Indian Institute of Space Science and Technology, Thiruvananthapuram. (Dec 2017 – till date).
  • Reader, Indian Institute of Space Science and Technology, Thiruvananthapuram. (July 2009 – Nov 2017).
  • Sr. Lecturer: Department of Electronics and communication, P. A. Aziz College of Engineering and Technology, Trivandrum. (Dec 2008 – June 2009).
  • Lecturer: Department of Electronics and communication, P. A. Aziz College of Engineering and Technology, Trivandrum. (June 2006 – Nov 2008).
  • Lecturer: Department of Electronics and communication, SSN college of Engineering, Chennai.(June 2005 – Apr 2006).
  • Lecturer: Department of Electronics and communication, The Rajaas Engineering college, Tirunelveli District, Tamil Nadu. (June 2000 – July 2003).

Area of Interest
  • Digital Signal Processing, Multirate Signal Processing,  Digital Communication, Image processing.
  • Cognitive Radio, 5G Communications 
    • Sneha Gem Mathew, and S. Chris Prema, "Reduction of Misdetection in Sub-Nyquist Spectrum Sensing", IEEE International Conference on Computing, Communication and Security ICCCS, 14-16th October 2020.

    • Sneha Gem Mathew, and S. Chris Prema, "A Fine Spectrum Sensing Procedure based on Modulated Wideband Converter", IEEE International Conference on Communication and Signal Processing ICSSP, 4-6th April 2019.

    • Ujjwala Boyapati, and S.Chris prema, "Reduction of PAPR in FBMC: A Comparative Analysis", 2018 IEEE Recent Advances in Intelligent Computational Systems (RAICS), 6-8th Dec 2018.

    • Muhammed Althaf C.I, S.Chris Prema, “Covariance and Eigenvalue Based Spectrum Sensing Using USRP in Real Environment”,  COMSNET 2018, Jan 3-7 2018. 2018 10th International Conference on Communication Systems & Networks (COMSNETS)3-7 Jan. 2018.

    • B.Naveen kumar, S.Chris Prema, “Noise Variance Estimation Through Penalized Least-Squares for ED-Spectrum Sensing” , International Conference on Communication Systems and Networks (ComNet) , 21-23 July 2016.

    • S Chris Prema and Dara Sudha Rani, “CMFB for Spectrum Detection and Utilization in CR Applications”, International Conference on Computing and Network Communications (CoCoNet'15), 16th to 19th Dec 2015.

    • S Chris Prema and Dara Sudha Rani, “ Spectrum Sensing with Programmability Granularity Band using Cosine Modulated Filter Bank for Cognitive Radio” IEEE International Conference on Communication and Signal Processing ICSSP’14,3-5th April 2015,pp 285-288.

    • Dara Sudha Rani and S Chris Prema , “Spectrum Sensing in Multipath Fading Channels using Cosine Modulated Filter Bank for Cognitive Radio” IEEE conference on Electrical, Computer and Communication, March 2015,pp 1465-1468.

    • S Chris Prema and Maneesha K , “Analysis of Multiprototype over Single Prototype filter for Non uniform Filter Banks”, 11thIEEE India Conference INDICON 11th-13thDec 2014.

    • S Chris Prema, Thomas Kurienand Rahul Parameswaran, “Detection of Surface and Subsurface Features Using GPR through Signal Processing for Autonomous Landing and Varied Applications” , International Conference on Advances in Computing, Communications and Information Sciences, ACCIS-14,June 26th-28th,2014.

    • Maneesha K and S Chris Prema , “A Channel Combiner approach for the design of Near Perfect Reconstruction Non Uniform Filter Banks”,IEEE International Conference on Communication and Signal Processing ICSSP’14,3rd-5thApril 2014.

    • S. Chris Prema, Meena Srinivasan, S. Annadurai, “Estimation of Signal Variance By Homogeneous Arbitrarily Shaped Windows For Wavelet Based Image Denoising”, Proceedings of the International Conference on Resource Utilization and Intelligent Systems. Kongu Engineering. College, Perundurai, Erode, T.N., India, January 2006.

    • Meena Srinivasan, S. Chris Prema, S. Annadurai, “Improved MAP Estimation of Variance Through Arbitrary windows For Wavelet Denoising”, IEEE Indicon 2005 Conference, IIT,Chennai, December 2005.

Project Guided:
  • About 5 UG projects in digital image processing
  • Multiband spectrum sensing under noise uncertainity
  • Wideband spectrum sensing using sub-nyquist sampling
  • Filter bank multicarrier system: PPN FBMC and FS FBMC
  • Noise variance estimation for spectrum sensing
Awards:
  • First Rank in M.E. (Applied Electronics) 2003 Batch, Govt. College of Technology, Coimbatore.

 

  • Gemi Rachel George, S. Chris Prema, "Cyclostationary Feature Detection Based Blind Approach for Spectrum Sensing and Classification", Radioengineering, vol.28, pp. 298-303, April 2019.
  • S. Chris Prema and K.S. Dasgupta, A novel center of mass method for estimation of center frequency and spectral edges in CR using filter banks, Int. J. Electron. Commun. (AEÜ), Elsevier Vol. 85, pp.7-11, 2018.
  • S. Chris Prema, Dara Sudha Rani and K.S. Dasgupta, Spectral detection with multistage granularity bands using filter bank techniques for CR application, Int. J. Wireless and Mobile Computing, Inderscience Vol. 12, No. 1, pp.62-67, 2017.
  • S. Chris Prema, K. S. Dasgupta, A Low Complexity Multistage Polyphase Filter Bank For Wireless Microphone Detection in CR, Circuits, Systems, and Signal Processing, Springer, Vol 36, pp.1671-1685, 2016.
  • S. Chris Prema, K. S. Dasgupta, An Iterative Design with Variable Step Prototype Filter for Cosine Modulated Filter Bank, Radioengineering, pp.156-160, 2016.
  • S. Chris Prema, Maneesha. K, Filter bank design using multiprototype approach for variable granularity bands, International Journal On Smart Sensing And Intelligent Systems. Vol. 9, No. 2, pp.733-751, 2016
  • S. Chris Prema, Dara Sudha Rani, Rate Request Sequenced Bit Loading Secondary User Reallocation Algorithm for DMT Systems in Cognitive Radio, International Journal of Vehicular Technology, Article ID 685491, 2015.
    • S. Chris Prema, K.S. Dasgupta, a book chapter on “Multirate Systems in Cognitive Radio” in the book titled “Advances in Multirate Systems” Springer International Publishing, Print ISBN: 978-3-319-59273-2, Electronic ISBN: 978-3-319-59274-9.
Completed project:
  • Autonomous Landing System using Ground Penetrating Radar
    Activity No:IIST/ RDP/27/2011/AV (2011 to 2014)
On going project:
  • Low Complexity Modulated Wideband Converter for sub-Nyquist Wideband Spectrum Sensing
    Activity No:2020AVFSTK014)