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Dr. Ramanathan R.

Asst. Professor

Dr. Ramanathan R. currently serves as Assistant Professor at department of Electronics and Communication Engineering, School of Engineering. His areas of research include optimization and signal processing for wireless communication and networks, MIMO and OFDM communications, Bio-inspired Computing, Wireless Sensor Networks, Physical layer signal design and security and Convex Optimization.

Qualification: M.Tech, Ph.D
r_ramanathan@cb.amrita.edu
Research Interest: Bio-inspired Computing, MIMO and OFDM communications, optimization and signal processing for wireless communication and networks, Physical layer signal design and security and Convex Optimization, Wireless Sensor Networks

Bio

Dr. R. Ramanathan joined the Department of Electronics and Communication Engineering, Amrita Vishwa Vidyapeetham in the year 2006, where he is currently an Assistant Professor (Selection Grade). He received his B.E. degree in Electronics and Communication from Bharathiyar University, Coimbatore, India in 2004. He received his M.Tech degree in Computational Engineering and Networking and Ph. D. degree in Electronics and Communication from Amrita Vishwa Vidyapeetham, Coimbatore, India in 2011 and 2015 respectively.  Dr. Ramanathan is the recipient of Best Outgoing Student in High School in 2000 and Best Outgoing Student in college (undergraduate level) in 2004. Prior to joining Amrita, he was working as Senior Engineer – Transmissions for Nokia projects in Hutch Essar ./ Vodafone for two years.

His areas of research include optimization and signal processing for wireless communication and networks, MIMO and OFDM communications, Bio-inspired Computing, Wireless Sensor Networks, Physical layer signal design and security and Convex Optimization. He has authored around 26 technical papers in reputed conferences and journals indexed in Scopus. He has coauthored a book “Digital Signal and Image Processing- The Sparse way” published by Elsevier India in 2012.

He is a member of Institution of Electronics and Telecommunication Engineers (IETE) and Association of Communication, Electrical and Electronics Engineers (ACEEE). He is the reviewer for the journals IET Signal Processing, IET Communications and Wiley Computer Applications in Engineering Education.

 Research Expertise

  •  Physical Layer Security in Energy Harvesting Wireless Networks
  •  Device free localization in Wireless Sensor Networks
  •  Compressed Sensing in Massive MIMO systems
  •  Localization in 3D Wireless Sensor Networks
  •  Design and development of Protocols in Energy Harvesting Wireless Networks
  •  MIMO Radar Signal Processing
  •  Full Duplex D2D communication
  •  Massive 5G wireless communication systems
  •  Vehicular Networks and Communications

 Teaching

  •  Wireless Communication & Networks
  •  Mathematical Methods for Communication Engineering
  •  Digital Communication
  •  Convex Optimization
  •  MIMO and Multicarrier Communications
  •  Signal Processing

 

Citations

Publications

Conference Paper

A novel spectrum sensing technique for low Signal to Noise Ratio conditions

Authors : Dr. Ramanathan R., A. Chandran, R. Karthik, A., Kumar, A., Naidu, R. C., M. Siva, S., and Iyer, U. S.

Publisher : 2011 International Conference on Emerging Trends in Electrical and Computer Technology, ICETECT 2011

Evaluation of energy detector based spectrum sensing for OFDM based cognitive radio

Authors : Dr. Ramanathan R., A. Chandran, R. Karthik, A., Kumar, A., Naidu, R. C., M. Siva, S., and Iyer, U. S.

Publisher : Proceedings of 2010 International Conference on Communication and Computational Intelligence, INCOCCI-2010

Impact of channel estimation errors on lattice reduction gains in MIMO systems

Authors : Dr. Ramanathan R., T. C. Snehith, Anil, K. K., and Raju, A. K.

Publisher : Advance Computing Conference (IACC), 2015 IEEE International

Discrete wavelet transform based spectrum sensing in futuristic cognitive radios

Authors : Dr. Ramanathan R., A. Chandran, R. Karthik, A., Kumar, A., M. Siva, S., Iyer, U. S., and Naidu, R. C.

Publisher : 2011 International Conference on Devices and Communications, ICDeCom 2011 - Proceedings

A novel channel estimation technique for MIMO-OFDM systems for frequency selective rayleigh channel

Authors : Dr. Ramanathan R., N. Ashish, Srivatsan, K. R. Atul, Karthikeyan, N., Pasupuleti, R. T., Gutta, S., and Raman, A. A.

Publisher : 2011 International Conference on Devices and Communications, ICDeCom 2011 - Proceedings

Performance optimization of RF energy harvesting wireless sensor networks

Authors : Dr. Ramanathan R., Sundaram, M.;

Publisher : Procedia Computer Science

A novel fuzzy based approach for multiple target detection in MIMO radar

Authors : Dr. Ramanathan R., Vignesh, G.J.; Vikranth, S.;

Publisher : Procedia Computer Science

A novel channel estimation technique for MIMO-OFDM systems for Frequency Selective Ricean channel

Authors : Dr. Ramanathan R., N. Ashish, Srivatsan, K. R. Atul, Karthikeyan, N., Pasupuleti, R. T., Gutta, S., and Raman, A. A.

Publisher : 2011 International Conference on Emerging Trends in Electrical and Computer Technology, ICETECT 2011

A performance study of MIMO detectors in the presence of channel estimation errors

Authors : Dr. Ramanathan R., I. Aravindan, K. Antony, R., K. Kumar, A., Snehith, T. C., and Padmakumar, A.

Publisher : Proceedings - 2015 International Conference on Communication, Information and Computing Technology, ICCICT 2015

Tamil font recognition using gabor filters and support vector machines

Authors : Dr. Ramanathan R., Dr. Soman K. P., Ponmathavan, S.; Thaneshwaran, L.; A. S. Nair; and Valliappan, N.

Publisher : ACT 2009 - International Conference on Advances in Computing, Control and Telecommunication Technologies

A support vector machines approach for efficient facial expression recognition

Authors : Dr. Ramanathan R., Dr. Soman K. P., Dr. Ramanathan R.; A. S. Nair; Sagar, V.V.; Sriram, N.; Soman, K.P.

Publisher : ARTCom 2009 - International Conference on Advances in Recent Technologies in Communication and Computing

Robust feature extraction technique for optical character recognition

Authors : Dr. Ramanathan R., Dr. Soman K. P., A. S. Nair; Thaneshwaran, L.; Ponmathavan, S.; Valliappan, N.;

Publisher : ACT 2009 - International Conference on Advances in Computing, Control and Telecommunication Technologies

Optical character recognition for English and Tamil using support vector machines

Authors : Dr. Ramanathan R., Ponmathavan, S., Valliappan, N., Thaneshwaran, L., A. S. Nair, and Dr. Soman K. P.

Publisher : ACT 2009 - International Conference on Advances in Computing, Control and Telecommunication Technologies

A novel technique for english font recognition using support vector machines

Authors : Dr. Ramanathan R., Dr. Soman K. P., Thaneshwaran, L.; Viknesh, V.; Arunkumar, T.; Yuvaraj, P.;

Publisher : ARTCom 2009 - International Conference on Advances in Recent Technologies in Communication and Computing

Investigation and development of methods to solve multi-class classification problems

Authors : Dr. Ramanathan R., Rohini, P. A., Dharshana, G., and Dr. Soman K. P.

Publisher : ARTCom 2009 - International Conference on Advances in Recent Technologies in Communication and Computing

Improved technique for the construction of parametric M – Band wavelets

Authors : Dr. Ramanathan R., Soman, K. P.

Publisher : ARTCom 2009 - International Conference on Advances in Recent Technologies in Communication and Computing

Generalised and channel independent SVM based robust decoders for wireless applications

Authors : Dr. Ramanathan R., Valliappan, N., Mathavan, S. P., Gayathri, M., Priya, R., and Dr. Soman K. P.

Publisher : ARTCom 2009 - International Conference on Advances in Recent Technologies in Communication and Computing

Investigation of various channel models for application of constant power water filling algorithm

Authors : Dr. Ramanathan R., C. Manoj, Narayanan, K. A., Kota, B. A., Shivaram, P. A., and Prasad, A. S.

Publisher : 2010 IEEE International Conference on Computational Intelligence and Computing Research, ICCIC 2010

Intrusion detection using software defined noise radar

Authors : Dr. Ramanathan R., D. M. Chinnam, Madhusudhan, J., Nandhini, C., Prathyusha, S. N., Sowmiya, S.,and Soman, K. P.

Publisher : 2010 2nd International Conference on Computing, Communication and Networking Technologies, ICCCNT 2010

Implementation of a low cost synthetic aperture radar using software defined radio

Authors : Dr. Ramanathan R., D. M. Chinnam, Madhusudhan, J., Nandhini, C., Prathyusha, S. N., Sowmiya, S., and Dr. Soman K. P.

Publisher : 2010 2nd International Conference on Computing, Communication and Networking Technologies, ICCCNT 2010

Conference Proceedings

Artificial Neural Network Approach to the Design of Band Pass Filters for Integrated Wireless Transceivers

Authors : Dr. Ramanathan R.

Publisher : First National Conference on Recent Trends in Communications, Computing and Signal Processing

Design and Analysis of Integrated Tunable Band Pass Filters for Phased Array Radar Receiver front ends

Authors : Dr. Ramanathan R.

Publisher : National workshop on Design and Analysis of Radar Systems,DARS 2009

Design and Analysis of Compact and Highly Selective Band Pass Filter for use in non invasive Bio Medical sensing using Ultra Wide Band Communications and Radar Technology

Authors : Dr. Ramanathan R.

Publisher : National Symposium on Instrumentation (NSI 33)

Novel Technique for Designing a Planar Antenna for Broadband applications

Authors : Dr. Ramanathan R.

Publisher : National Conference on VLSI, Embedded Systems, Signal Processing and Communication Technologies (NCESCOM 08)

Design Analysis of Printed Dual- Band Antenna for Wireless Application

Authors : Dr. Ramanathan R.

Publisher : The Fourth National Conference on Recent Trends in Communication Techniques, NATCON -08

Investigation of Reconfigurable Slot Antennas for WLAN Applications

Authors : Dr. Ramanathan R.

Publisher : The National Conference on Broad Band Technologies (BROADBAND-08)

Air Substrate Based Shorted Rectangular Patch for Air Borne Vehicles

Authors : Dr. Ramanathan R., Sabarish Narayanan B., Dr. Jayakumar M.

Publisher : International Conference on Aerospace Science and Technology (INCAST -2008)

Signal Detection in Software Defined Radar

Authors : Dr. Ramanathan R., M. Chinnam, Madhusudhan, J., Nandhini, C., Prathyusha, S. N., and Sw, S.

Publisher : Second National Conference on Recent Trends in Communications, Computing and Signal Processing

Journal Article

Performance evaluation of DWT based multicarrier systems over frequency selective channels

Authors : Dr. Ramanathan R., Suganya M.;

Publisher : International Journal of Engineering and Technology

Investigation of PAPR in discrete wavelet transform based multi-carrier systems

Authors : Dr. Ramanathan R., Neha S.; Thushara S.;

Publisher : International Journal of Engineering and Technology

A novel cuckoo search approach to detection in spatially correlated MIMO channels

Authors : Dr. Ramanathan R., Dr. Jayakumar M.

Publisher : International Journal of Mathematical Modelling and Numerical Optimisation

Performance evaluation of DWT based multicarrier system in time varying channels

Authors : Dr. Ramanathan R., Kumar M.S.; Prasad S.;

Publisher : International Journal of Engineering and Technology

Device Free Localisation Techniques in Indoor Environments

Authors : Anusha K. S., Dr. Ramanathan R., Dr. Jayakumar M.

Publisher : Defence Science Journal (DSJ)

Performance analysis of clustering for message classification and congestion control in DSRC/ WAVE-based vehicular ad-hoc networks

Authors : Dr. Ramanathan R., Rajeswar Reddy, G.

Publisher : International Journal of Vehicle Information and Communication Systems

A Support Vector Regression Approach to Detection in Large-MIMO Systems

Authors : Dr. Ramanathan R., Dr. Jayakumar M.

Publisher : Telecommunication Systems

A Novel Methodology for Designing Linear Phase IIR Filters

Authors : Dr. Ramanathan R., Dr. Soman K. P.

Publisher : Aceee International Journal on Communication

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