Digital Signal Processing and Radar Systems (DiSPR) Research Group

Introduction

The Digital Signal Processing and Radar Systems (DiSPR) Research Group at Department of Electrical Engineering, NUST College of Electrical and Mechanical Engineering focuses on research activities related to design, analysis, simulation and implementation of DSP algorithms. The areas of interest are, but not limited to multidimensional signal processing, adaptive signal processing, image processing, embedded systems, analog and digital communication systems etc. Over the years, expertise in these areas have been developed through teaching relevant courses, conducting undergraduate projects and postgraduate research theses.

Team

Publications (Journal Papers)

1. Furqan Haider Qureshi, Qasim Umer Khan, Zeeshan Haider, Shahzad Amin Sheikh, “Symbol Error Probability Performance of Rectangular QAM with MRC Reception over Generalized α-μ Fading Channels”, IEICE Transactions, Accepted, 2018.
2. Qasim Umer Khan, Shahzad Amin Sheikh, “Two Novel Blind Equalization Algorithms for Rectangular QAM Constellation”, IEEE Access, 11, 4,9512-9519,2016.
3. Ayaesha Zeb, Alina Mirza, Qasim Umer Khan, Shahzad Amin Sheikh, “Improving Performance of FxRLS Algorithm for Active Noise Control of Impulsive Noise”, Applied Acoustics, 1,116,364-374, 2017.
4. Nida Ishtiaq, Shahzad Amin Sheikh, “Maximum Likelihood SNR Estimation for QAM Signals over Slow Flat Fading Rayleigh Channel”, KSII Transactions on Internet and Information Systems, 11,10, 5365-5380, 2016.
5. Alina Mirza, Ayesha Zeb, Shahzad Amin Sheikh,“Dual Protection Technique for Impulsive Noise Suppression in OFDM Systems”, Mehran University Research Journal of Engineering & Technology, Accepted, 2016.
6. Qasim Umer Khan, Mojeeb bin Ihsan, Fahad Mumtaz Malik, Shahzad Amin Sheikh, “Higher Order Modes: A Solution for High
   Gain, Wide Band Patch Antennas for Different Vehicular
   Applications”, IEEE Transactions on Vehicular Technologies, DOI: 1109/TVT.2016.2604004, 2016.
7. Alina Mirza, Ayesha Zeb, Shahzad Amin Sheikh, “Robust adaptive algorithm for active control of impulsive noise”, EURASIP Journal of Advances in Signal Processing, doi: 10.1186/s13634-016-0344-0, 2016.
8. Abdul Jabbar, Fahad Mumtaz Malik, Shahzad Amin Sheikh, “Nonlinear Stabilizing Control of a Rotary Double Inverted Pendulum; A modified stepping approach”, Transaction of the institute of Measurement & Control, doi:10:1177/0142331216645174, 2016.
9. Furqan Haider Qureshi, Shahzad Amin Sheikh, Q.U.Khan, F.M. Malik, “SEP Performance of Triangular QAM with MRC Spatial Diversity over Fading Channels”, EURASIP Journal of Wireless Communication & Networking, doi:10.1186/s13638-015-0511-2, 2016.
10. Sana Mazahir, Shahzad Amin Sheikh, “On Companding Schemes for PAPR Reduction in OFDM Systems Employing Higher Order QAM”, IEEE Transactions on Broadcasting, 3, 62, 716-726, 2016.
11. Sana Mazahir, Shahzad Amin Sheikh, “Optimal Design of Piecewise Linear Companding Transforms for PAPR Reduction in OFDM Systems”, KSII Transactions on Internet and Information Systems, 1, 10, 200-220, 2016.
12. Sana Abid Khan, Shahzad Amin Sheikh, “Design and Implementation of a Blind Adaptive Equalizer using Frequency Domain Improved Square Contour Algorithm”, Journal of Signal Processing Systems for Signal, Image & Video Technology, 2, 85, 235-247, 2015.
13. Sana Mazahir, Shahzad Amin Sheikh, “An Adaptive Companding Scheme for Peak-to-Average Power Ratio Reduction in OFDM Systems”, KSII Transactions on Internet and Information Systems,12, 9, 4872-4891, 2015.
14. Ahmad Mustafa, K. Munwar, F. M. Malik, M. B. malik, M. Salman, S. A. Sheikh, “Reduced Order Observer Design with DMPC and LQR for System with Backlash Non linearity”, Arabic Journal of Science & Engineering, 8, 39, 6521-6320, 2014.
15. Shah, Syed Shahan, Shahzad Amin Sheikh, “Performance Comparison of Cross and Rectangular Quadrature Amplitude Modulation over Nakagami Fading Channels for Equal Energy Case”, International Journal of Information Technology and Electrical Engineering, 3, 2, 32-36, 2013.
16. Shah, Syed Shahan, Shahzad Amin Sheikh, “Analysis of Cross QAM over Beckmann Fading Channel”, International Journal of Engineering and Innovative Technology, 12, 2, 195-198, 2013.

17. Ayesha Zeb, Alina Mirza, Qasim Umer Khan, Shahzad Amin Sheikh, “Improving Performance of FxRLS Algorithm for Active Noise Control of Impulsive Noise”, Applied Acoustics, 2016.

18. Alina Mirza, Ayesha Zeb, Shahzad Amin Sheikh, “Robust adaptive algorithm for active control of impulsive noise”, EURASIP Journal of Advances in Signal Processing, 2016.

     

Publications (Conference Papers)

1. Alina Mirza, Sumrin Mehak Kabir, Shahzad Amin Sheikh,” Enhanced Impulsive Noise Cancellation based on SSRLS”, 2nd International Conference on Computer, Communication & Control Technologies, (I4CT), Malaysia, IEEE, 31-35, April 2015.
2. Alina Mirza, Sumrin Mehak Kabir, Shahzad Amin Sheikh,” Impulsive Noise Cancellation of ECG signals based on SSRLS”, International Conference on Soft Computing & Software Engineering (SCSE 2015), USA, Elsevier, 62, 196-202, March 2015.
3. Sardar Ameer Akram Khan, Shahzad Amin Sheikh,” Evolution of Multimodulus Algorithm Blind Equalization Based on Recursive Least Square Algorithm”, 2nd International Conference on Electrical, Electronics, Computer Engineering and their Applications (EECEA 2015), IEEE, 163-169, Feb 2015.
4. Kanza Khan, Shahzad Amin Sheikh,” PAPR Reduction of OFDM Signals using Convolutional Codes”, Proceedings of 2009 Student Conference on Research & Development (SCORed, 2009), IEEE, 167-169, Nov 2009.
5. Shahzad Amin Sheikh, Pingzhi Fan,” New Error Functions associated with Multimodulus Algorithm”, 11th IEEE Multitopic Conference INMIC’06, IEEE, 93-97, Jan 2008.
6. Shahzad Amin Sheikh, Pingzhi Fan, Fast Convergent Multimodulus Algorithm for Blind Equalization of QAM Signals, 5th IEEE International Conference on Emerging Technologies, ICIET’07, IEEE, 104-107, July 2007.
7. Shahzad Amin Sheikh, Pingzhi Fan,” Improved Square Contour Algorithm for Blind Equalization of QAM Signals”, 10th IEEE Multitopic Conference INMIC’06Pakistan, IEEE, 102-105, Dec 2006.
8. Shahzad Amin Sheikh, Pingzhi Fan,” A New Multimodulus Blind Equalizer for Dense QAM Constellations”, IET International Conference on Wireless, Mobile and Multimedia Networks. (ICWMMN’06), China, IET, 1236-1239, Nov 2006.
9. Shahzad Amin Sheikh, Pingzhi Fan,” Dual Mode AVMA for Blind Equalization and Carrier Phase Recovery in Distorted Communication Channels”, 6th IEEE International Conference on ITS Telecommunications (ITST’06), China, IEEE, 850-853, June 2006.
10. Shahzad Amin Sheikh, Pingzhi Fan,” Joint Blind Equalization & Carrier Phase Recovery based on Adaptively Varying Modulus Algorithm (AVMA)”, 9th IEEE Multitopic Conference INMIC’05, Pakistan, IEEE, 1-6, Dec 2005.
11. Shahzad Amin Sheikh, Pingzhi Fan,” Blind Channel Equalization based on CMA using Gradient Descent Algorithm with Variable step size”, Future Telecommunication Conference FTC’05, China, Ericsson (China), 306-309, Oct 2005.
12. Ayesha Zeb, Alina Mirza, Shahzad Amin Sheikh, “Filtered-x RLS Algorithm based Active Noise Control of Impulsive Noise”, 7th International Conference on Modelling, Identification and Control, ICMIC’2015, Sousse, Tunisia.
13. Sumrin Mehak Kabir, Alina Mirza, Shahzad Amin Sheikh, “Impulsive Noise reduction Method based on Clipping & Adaptive Filters in AWGN Channels”, 5th International Conference on Computer, Communication & Management (ICCCM 2015), Rome, Italy.
14. Alina Mirza, Sumrin Mehak Kabir, Shahzad Amin Sheikh, “Impulsive Noise Cancellation of ECG signals based on SSRLS”, International Conference on Soft Computing & Software Engineering (SCSE 2015), USA.

Research Facilities

•    Signal Processing trainer boards and kits

•    DSP and FPGA development boards

•    Spectrum analyzers, digital storage oscilloscopes etc.

Alumni

Contact Person