Dr. Vimal Bhatia

Associate Professor

Electrical Engineering

Dr. Vimal has mix of academic and industrial experience both in India and the UK. He completed Ph.D. from Institute for Digital Communications at The University of Edinburgh (UoE), UK in 2005 fully funded by UK Engineering and Physical Science Research Council (EPSRC) and The University of Edinburgh. During Ph.D. he also received IEE fellowship for collaborative research on OFDM with Prof. Falconer at Department of Systems and Computer Engineering at Carleton University, Ottawa, Canada . He received M. Tech. in Signal Processing from NSIT, Delhi in 2001. He has worked in various positions in the UK and in India. His research interests are in the broader areas of non-Gaussian non-parametric signal processing with applications to wireless communications, audio video signal processing, telecommunications and in software product development. He is a reviewer for IEEE, Elsevier, and IET. He is currently Senior Member of IEEE and certified SCRUM Master. He is also faculty convenor for Student Entrepreneurship Support Cell sesc@iiti
I am actively seeking highly motivated PhD students with provision to pay higher stipend (Current Fellowship @ Rs. 31,500 (plus HRA as applicable) per month for 1st and 2nd yr, and @ Rs. 35,000 (plus HRA as applicable) per month for 3rd, 4th, and 5th yr.). If you are interested to pursue PhD then send your CV by a email at vbhatia at iiti dot ac dot in. Last date for current round is 06th Dec, 2016. PhD Selections for this round are on 8th Dec, 2016 at Simrol Campus as in advertisement. Please note this is a special PhD recruitment drive, and the dates cannot be modified. The selections may continue till 09th Dec, 2016. Please fill online application at click here . If you are interested to pursue Post-Doc then send your detailed CV by email at vbhatia at iiti dot ac dot in. Please note NO TA/DA will be paid for PhD or Post-Doc selections.

Education

Ph.D. (Thesis: Distribution Dependent Adaptive Learning), IDCOM, The University of Edinburgh, 2005.


M. Tech. (Signal Processing), NSIT, Delhi, 2001.

Work Experience

Dr. Vimal Bhatia has over 12 years of industrial experience. Prior to joining IIT-I, Vimal has been working with on 4G data networks. From March 2008 till June 2011, he has been working in the UK on video transcoding for file based digital broadcasting for clients including HBO, Sony Pictures, SWR, Accenture, Prime Focus, Warner Brothers. From Sept 2007 till March 2008, he has been working with AudioSoft, UK on voice analytics for the UK and International Defence and Law Enforcement Agencies. During Jan 2006 – August 2007, he has been working with Digital Theater Systems, UK on multichannel audio processing for home and in-car entertainment system for customers worldwide (including Playstations and Blue-ray disks). He has worked on speech and channel coding at Hughes Software Systems, Gurgaon from Jan 2001 till Oct 2002. From Sept 1996 till August 1999 he has worked with C-DOT, Delhi on SDH standard and various test and measurement instruments for communication industry.

"The only source of knowledge is experience."

- Albert Einstein

Research Group

The Signals and Software Group (SaSg) at IIT Indore is involved in cutting edge research and development in areas of wireless communication including communication channel estimation, equalization, and performance measurements of communication systems in high interference environment. The algorithms and techniques developed are applicable for SISO, MIMO, and various modulation techniques like OFDM, CDMA and others. The group has National Instruments USRPs, Ettus B210, FPGA kits, LabView and SystemVue Software. The group is also involved in general software based applications and product development. The group has interests in audio and video signal processing for improvement of QoS, Perception, Analytics, Surveillance and efficient implementations.
The group is also working closely with various organizations including Defence establishment like Military College of Telecommunication Engineering, and commercial establishments.


Current broader research areas include:

  • Cutting edge research in wireless communication
  • Channel estimation and equalization
  • Performance analysis
  • Algorithm and solution development
  • OFDM, CDMA, SISO, MIMO, WLAN, Co-operative and Relay Networks, Cognitive Radio
  • Software implementations

Researchers

  • Manish Mandloi (M. E. IISc) Rangeet Mitra (M. Tech. IITG) Nagendra Kumar (M. Tech. JUET) Sidharth Shukla (M. Tech. IITR) Abhijeet Bishnu (M. Tech. SGSITS) Sanjeev Sharma (M. Tech. IITG)
  • Azahar Hussain Mohammed (Post M. Tech. joined Qualcomm - off campus placement)
  • Upama Vyas (Senior Research Fellow)

If you are interested in pursing PhD with me, please send direct email at vbhatia at iiti dot ac dot in I also have an interest in applied research and development in Mobile Apps, Internet of Things, High Performance Coding, Cloud Computing with applications to Healthcare, Broadcasting, Telecommunications and Surveillance Systems.

"Research is creating new knowledge."

- Neil Armstrong

Publications


  • N. Kumar, P. Singya and V. Bhatia, “Performance Analysis of OFDM-Based Nonlinear AF Multiple-Relay Systems”, IET Communications, 2017 (Accepted)
  • S. Shukla and V. Bhatia, “Packet Scheduling Algorithm in LTE/ LTE-Advanced based Cellular Networks”, IETE Technical Review, 2017 (Accepted)
  • S. Sharma, and V. Bhatia, “UWB Pulse Design Using Constraint Convex Sets Method”, Wiley International Journal of Communication, 2017 (Accepted)
  • M. Mandloi, M. A. Hussian and V. Bhatia, “Improved Multiple Feedback Successive Interference Cancellation Algorithms for Near-Optimal MIMO Detection”, Springer Telecommunication Systems, 2016 (Accepted)
  • R. Mitra and V. Bhatia, “Unsupervised Multi-Stage Clustering based Hammerstein post-distortion for VLC”, IEEE Photonics Journal, 2016 (Accepted)
  • N. Kumar, S. Sharma and V. Bhatia, “Performance Analysis of OFDM-Based Nonlinear AF Multiple-Relay Systems”, IEEE Wireless Communications Letters, 2016 (Accepted)
  • M. Mandloi and V. Bhatia, “Low-Complexity Near-Optimal Iterative Sequential Detection for Uplink Massive MIMO systems”, IEEE Communications Letters, 2016 (Accepted)
  • S. Sharma, A. Gupta and V. Bhatia, “Sparsity Based Narrowband Interference Mitigation in UWB Communication for 5G and Beyond”, Elsevier Computers and Electrical Engineering, 2016 (Accepted)
  • N. Kumar, V. Bhatia and D. Dixit, “Performance Analysis of QAM in Amplify-and-Forward Cooperative Communication Networks over Rayleigh Fading Channels”, Elsevier International Journal of Electronics and Communications, 2016 (Accepted)
  • R. Mitra and V. Bhatia, “Finite Dictionary Techniques for MSER Equalization in RKHS”, Springer Signal, Image and Video Processing, 2016 (Accepted)
  • M. Mandloi, M. A. Hussian and V. Bhatia, “Improved Multiple Feedback Successive Interference Cancellation Algorithms for Near-Optimal MIMO Detection”, IET Communications, 2016 (Accepted)
  • S. Shukla and V. Bhatia, “Traffic Grooming in PCE Based Architecture combined with RWA utilizing Dynamic Fiber State Information”, IETE Technical Review, 2016 (Accepted)
  • N. Kumar and V. Bhatia, “Exact ASER Analysis of Rectangular QAM in Two-Way Relaying Networks over Nakagami-m Fading Channels”, IEEE Wireless Communications Letters, 2016 (Accepted)
  • S. Sharma, A. Gupta and V. Bhatia, “A New Sparse Signal-Matched Measurement Matrix for Compressive Sensing in UWB Communication”, IEEE Access, 2016 (Accepted)
  • R. Mitra and V. Bhatia, “Adaptive Sparse Dictionary Based Kernel Minimum Symbol Error Rate Post-Distortion for Nonlinear LEDs in Visible Light Communications”, IEEE Photonics Journal, 2016 (13th most downloaded paper, July 2016)
  • J. Dhanotia, S. Prakash, V. Bhatia and S. Prakash, “Fingerprint detection and mapping using phase shifted coherent gradient sensing technique”, Applied Optics (Accepted), 2016
  • N. Kumar and V. Bhatia, “Performance Analysis of OFDM Based AF Cooperative Systems in Selection Combining Receiver over Nakagami-m Fading Channels with Nonlinear Power Amplifier”, Wiley International Journal of Communication Systems (Accepted), 2016
  • N. Kumar and V. Bhatia, “Outage Probability and Average Channel Capacity of Amplify-and-Forward in Conventional Cooperative Communication Networks over Rayleigh Fading Channels”, Wireless Personal Communications, 2016
  • R. Mitra and V. Bhatia, “Chebyshev polynomial based adaptive predistorter for nonlinear LED compensation in VLC”, IEEE Photonics Technology Letters, 2016 (included in the top 11 most downloaded articles, April, 2016)
  • M. Mandloi and V. Bhatia, “A low-complexity hybrid algorithm based on particle swarm and ant colony optimization for large-MIMO detection”, Elsevier Jr. on Expert Systems With Applications, 2015
  • V. S. Tomar and V. Bhatia, “Low Cost and Power Software Defined Radio using Raspberry Pi for Disaster Effected Regions”, Elsevier Journal on Procedia Computer Science (Accepted), 2015
  • N. Kumar and V. Bhatia, “Performance Analysis of Amplify-and-Forward Cooperative Networks with Best-Relay Selection Over Weibull Fading Channels”, Wireless Personal Communications (Accepted), 2015
  • M. Mandloi and V. Bhatia, “Congestion Control based Ant Colony Optimization Algorithm for Large MIMO Detection”, Elsevier Jr. on Expert Systems With Applications, 2015
  • R. Mitra and V. Bhatia, “Improved multi-stage clustering-based blind equalisation in interference-limited CDMA environments”, Electronics Letters, vol. 50, no. 14, pp. 1027-1029, July 2014
  • V. Bhatia, B. Mulgrew and D. D. Falconer, “Non-parametric Maximum Likelihood Channel Estimator and Equalizer for OFDM in high interference”, Proc. of IET Communications, vol. 1, no. 4, pp. 647-654, Aug. 2007., Citations: 3
  • V. Bhatia and B. Mulgrew, “Non-parametric Maximum Likelihood Channel Estimator for Gaussian Mixture Noise”, Elsevier Jr. for Signal Processing, vol. 87, no. 11, pp. 2569-2586, Apr. 2007, Citations: 46
  • V. Bhatia, B. Mulgrew and A. T. Georgialidis, “Stochastic Gradient Algorithms for Equalisation in Alpha Stable Noise”, Elsevier Jr. for Signal Processing, vol. 86, no. 4, pp. 835-845, Apr. 2006, Citations: 2
  • V. Bhatia, “Echo-canceller- an Application of Adaptive Signal Processing”, IETE Journal of Education, vol. 42, no. 1-4, pp. 25-28, Dec. 2001.
  • S. Sharma, V. Bhatia and A. Gupta, “A Non-coherent UWB Receiver Using Signal Cluster Sparsity”, National Conference on Communications (NCC), 2017.
  • U. Singh, V. Bhatia and A. K. Mishra, “Multiple Target Detection and Estimation of range and Doppler for OFDM-RADAR system”, IEEE SPIN, 2017.
  • M. Mandloi and V. Bhatia, “A Novel Spectrum Allocation Scheme for Differentiated Survivability Supported Elastic Optical Networks”, IEEE WCNC, 2017.
  • A. Agrawal, V. Bhatia and S. Prakash, “A Novel Spectrum Allocation Scheme for Differentiated Survivability Supported Elastic Optical Networks”, OSA PHOTONICS, 2016.
  • U. Vyas, V. Bhatia and S. Prakash, “Network Planning Using Scheduling and Splitting in Elastic Optical Networks”, OSA PHOTONICS, 2016. (Best Paper Award)
  • M. Mandloi, M. Hussain, and V. Bhatia, “Ordered Multi-Branch Processing for Successive Interference Cancellation based MIMO Detection”, IEEE ANTS, 2016.
  • S. Sharma and V. Bhatia, “Performance Analysis of Filtered PSM Signal Using Non-matched Receiver for UWB Communication”, IEEE ANTS, 2016.
  • P. Singya, N. Kumar, and V. Bhatia, “Performance Analysis of OFDM based Multiple Relay Cooperative AF System with Relay Selection and Nonlinear Power Amplifier”, IEEE ANTS, 2016.(Best Paper Award)
  • A. Chatterjee, J. Dhanotia, V. Bhatia, and S. Prakash, “Study of visual processing techniques for dynamic speckles: a comparative analysis”, ICLLT, 2016.
  • A. Chatterjee, J. Dhanotia, V. Bhatia, and S. Prakash, “Incorporation of histogram based non-normalized algorithm in subtraction average method for dynamic speckle analysis”, ICLLT, 2016.
  • J. Dhanotia, A. Chatterjee, V. Bhatia, and S. Prakash, “Defect detection and NDE of low-modulus PMMA material using mechanical loading and WFT analysis”, ICLLT, 2016.
  • A. Agrawal, V. Bhatia, and S. Prakash, “Revenue optimization in elastic optical networks using swarm intelligence”, ICLLT, 2016.
  • U. Vyas, V. Bhatia, and S. Prakash, “Resource provisioning for scheduled lightpath demands under spectrum convertible elastic optical networks”, ICLLT, 2016.
  • S. Sharma, V. Bhatia and A. Gupta, “Sparsity Based UWB Receiver Design in Additive Impulse Noise Channels”, IEEE Workshop on Signal Processing for Advances in Wireless Communications (SPAWC) 2016.
  • A. Bishnu and V. Bhatia, “Natural Gradient Non-Parametric Maximum Likelihood Algorithm for Sparse Channel Estimation in Non-Gaussian Noise”, IEEE International Conference on Signal Processing and Communications (SPCOM) 2016.
  • N. Kumar and V. Bhatia, “Outage Analysis of OFDM AF Relaying Systems Over Nakagami-m Fading Channels with Non-linear Power Amplifier”, IEEE Wireless Communications and Networking Conference (WCNC) 2016, Qatar.
  • J. Dhanotia, L. Bopche, V. Bhatia, and S. Prakash, “Quality Assessment of Medicinal Leaves Through Biospeckle Technique”, OPTRONIX, 2016.
  • J. Dhanotia, L. Bopche, V. Bhatia, and S. Prakash, “Fingerprint Detection and Analysis Using Talbot Interferometry”, OPTRONIX, 2016.
  • J. Dhanotia, L. Bopche, V. Bhatia, and S. Prakash, “Measurement of Surface Profile Using Moiré Deflectometry and Fourier Fringe Analysis”, OPTRONIX, 2016. (Best Poster Award)
  • J. Dhanotia, V. Bhatia, and S. Prakash, “Slope measurement of PMMA plates in transmission geometry using Moiré deflectometry”, International Conference on Advances in Metrology, 2016.
  • J. Dhanotia, V. Bhatia, and S. Prakash, “Measurement of contact angle and meniscus shape using Moiré deflectometry and Fourier fringe analysis”, International Conference on Advances in Metrology, 2016.
  • J. Dhanotia, V. Bhatia, and S. Prakash, “Measurement of Linear Thermal Expansion Coefficient of Metallic Bar Using Grating Shearing Interferometry”, International Conference on Advances in Metrology, 2016.
  • M. Mandloi, M. A. Hussain and V. Bhatia, “An Improved Multiple Feedback Successive Interference Cancellation Algorithm for MIMO Detection”, COMSNETS, 2016.
  • V. Sharswat, P. Godara, A. Bishnu and V. Bhatia, “Measurement and Identification of White Space using Low Cost SDR for Rural Wireless Broadband”, 5th International Conference on Wireless Communications, Vehicular Technology, Information Theory, Aerospace & Electronic Systems (Wireless VITAE 2015), Dec 2015, India.
  • A. Bishnu and V. Bhatia, “On Performance Analysis of IEEE 802.22 (PHY) for COST-207 Channel Models”, IEEE CSCN 2015, Oct 2015, Japan.
  • R. Mitra, N. Kumar and V. Bhatia, “A hybrid MBER-IMSC based blind equalisation scheme in Amplify and Forward relay protocol in Rayleigh Fading Environments”, IEEE IBSS 2015, Sept 2015, India.
  • R. Mitra and V. Bhatia, “Normalised multi-stage clustering equaliser for underwater acoustic channels”, IEEE SSPD 2015, Sept 2015, UK.
  • N. Kumar and V. Bhatia, “Outage Analysis of OFDM based AF Cooperative Systems in Selection Combining Receiver over Nakagami-m fading channels with Nonlinear Power Amplifier”, IEEE SSPD 2015, Sept 2015, UK.
  • S. Shukla and V. Bhatia, “Traffic Scheduling Algorithm for Wireless Mesh Networks based Defense Networks Incorporating Centralized Scheduling Architecture”, IEEE SSPD 2015, Sept 2015, UK.
  • M. Mandloi and V. Bhatia, “Multiple Stage Ant Colony Optimization Algorithm for Near-Optimal Large-MIMO Detection”, EUSIPCO 2015, Sept 2015, France.
  • R. Mitra and V. Bhatia, “A Kernel Based Technique for MSER Equalisation for non-linear channels”, EUSIPCO 2015, Sept 2015, France.
  • S. Sharma, A. Sharma and V. Bhatia, “Performance of Pulse Position Modulation Using Various UWB Pulses”, IEEE International Advance Computing Conference (IEEE ACC), June 2015, India.
  • N. Kumar and V. Bhatia, “Analysis of Symbol Error Rate for Amplify-and-Forward Networks with Best-Relay Selection over Weibull Fading Channels”, International Conference on Signal Processing and Communication (IEEE ICSC) 2015, Mar 2015, India.
  • R. Mitra, N. Kumar and V. Bhatia, “Blind MBER Based Selection Diversity Combining in Amplify-and-Forward Relay Protocol in Rayleigh Fading Environments”, International Conference on Signal Processing and Communication (IEEE ICSC) 2015, Mar 2015, India.
  • M. Mandloi and V. Bhatia, “Ordered Iterative Successive Interference Cancellation Algorithm for Large MIMO Detection”, IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (IEEE SPICES) 2015, Feb 2015, India.
  • M. Mandloi and V. Bhatia, “Opportunistic Interference Alignment in Cognitive Multi-User MIMO Relay Networks”, 8th IEEE International Conference on Advanced Networks and Telecommunication Systems (ANTS), Dec 2014, India.
  • S. Shukla and V. Bhatia, “Traffic Grooming Algorithm in GMPLS Architecture combined with RWA utilizing Dynamic Fiber State Information”, 11th IEEE India Conference INDICON 2014 Emerging Trends and Innovation in Technology, Dec 2014 (Best Paper Award), India.
  • R. Mitra and V. Bhatia, “Improved Multi-Stage Clustering Based Blind Equalisation in Distributed Environments”, 13th International Conference on Information Technology, Dec 2014, India. (Blind Review)
  • R. Mitra and V. Bhatia, “The Diffusion-KLM Algorithm”, 13th International Conference on Information Technology, Dec 2014, India. (Blind Review)
  • A. K. Mishra, R. Panigrahi and V. Bhatia, “FOPEN Capabilities of Commensal Radar”, International Radar Symposium (India), Dec 2013, page: IR20-IR25, Bangalore, India
  • V. Bhatia and B. Mulgrew, “NPML based range measure for localization in interference limited wireless sensor networks”, Cognitive Wireless Systems (UKIWCWS), Dec 2010, Pages 1-5, IIT- Delhi, India.
  • V. Bhatia, B. Mulgrew and D. D. Falconer, “Non-parametric ML Channel Estimator and Detector for OFDM”, Proc of EUSIPCO2005, Sept 2005, Turkey.
  • Y. Gong, V. Bhatia, B. Mulgrew, and C. F. N. Cowan, “A Non-parametric ML Estimator with Unknown Channel Order”, Proc of EUSIPCO 2005, Turkey.
  • V. Bhatia and B. Mulgrew, “Error Whitening Non-parametric ML Channel Estimator”, IEEE Statistical Signal Processing-2005, July 2005, France.
  • V. Bhatia and B. Mulgrew, “A EM-based channel estimator in Non-Gaussian Noise”, Proc. of IEEE VTC Fall 2004, Los Angeles, US.
  • V. Bhatia, B. Mulgrew and A. T. Georgialidis, “Minimum BER Equaliser for Alpha-Stable Noise”, Proc. of EUSIPCO Sept-2004, Vienna, Austria.
  • V. Bhatia and B. Mulgrew, “Non-parametric Maximum Likelihood Channel Estimator in Non-Gaussian Noise”, Proc. Signal Proc. for Wireless Comm, Kings College, Jun 2004, London, UK.
  • V. Bhatia and B. Mulgrew, “A Minimum Error Entropy based channel estimator in Co-Channel Interference with Lower Bounds”, Proc. IEEE SPCOM 2004, Bangalore, India.
  • V. Bhatia, A. De, A. Gupta and S. Senger, “A Robust Phase-reversed Tone Detection using Bispectrum and DFT-based Algorithms”, 6th Int. Conf. on Signal Proc. (ICSP'02), China.
  • V. Bhatia, A. De, A. Gupta and S. Senger, “Tone Detection using Bispectrum and DFT-based Algorithms”, Proc. of NCC 2002, January 2002, India.
  • With V. S. Tomar, “Low Cost and Power Software Defined Radio using Raspberry Pi for Disaster Effected Regions”, 2015
  • With A. Tripathi and S. Jain, “D-Box for Saving Lives - In-Vehicle Emergency Device”, 2015
  • With Husian Haidery and Himanshu Dogra, Android App - Voice Recorder, 2015
  • With Sarthak Goyal, Digvijay Singh, Sharang Dev Kalsi, Android App - Calendar Manager, 2015
  • With Abhijeet Bishnu "IEEE 802.22 PHY on LabView and GNU Radio" , 2015

"Lets work Together"

Open Positions

These are short 2-3 months internships for under-grads. If you are interested then send a email with subject “Summer Internship:(duration):(interest) or (prev. experience)”
These are at least 1-year long projects. If you are an under-grad student and can commit for atleast one year full-time (can be six-nine months full time and remaining with course work) project work, then you can contact me. If interested then send me a email with subject “UG Researcher:(interests):(programming languages)”, for example “UG Researcher:(MobileApp, Signal Processing):(Matlab/Java/C++/C)” OR If you have an idea or interests then too you can contact me.
These are typically 1-2 years projects. If you graduated from one of the top colleges in India or abroad or are simply bored with your current job and/or would like to build up a CV for applying abroad for higher studies, then you are welcome to apply. This requires longer commitment for at least a year to two. Since this is a full-time, you will be compensated based on qualifications and experience. These will be advertised on this and institute job opportunity website.
OR
If you have an idea or interests then too you can contact me bearing in mind that you must allow circa six-months for project feasibility and approvals. You can drop me email with subject “Research Assistant:(Area)”
These positions are typically between 3-5 years long, depending on research outcomes, prior qualification and experience. If you are/were amongst the top in your institute and you enjoy working hard, you like a challenge, and it makes you happy when you deliver, then PhD is right for you. You can look at Group's current research interests or are interested in allied areas then do not hesitate to drop a email with subject “PhD Student:(Area)”

Trivia