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K. A. Unnikrishna Menon

Deputy Director - National Collaborations, Patents, Ranking & Accreditation | Professor, Amrita Center for Wireless Networks and Applications (AmritaWNA), Amritapuri

Qualification: PG
kaumenon@amritapuri.amrita.edu
Research Interest: Development and Evaluation, Electro-acoustic Sensor Design, Electronic Acoustic Sensor Design Development & Evaluation, Managerial Activities, Project Management, Sensor & Antennna Design, Sensor for Underwater Communication, SONAR Antenna Design & Field Implementation

Bio Publications Research Details of R&D Work  Awards Work Area/Technical Expertise
Bio

K. A. Unnikrishna Menon currently serves as Deputy Director – National Collaborations, Patents, Ranking & Accreditation and Professor at Amrita Center for Wireless Networks and Applications (AmritaWNA). His areas of interest include Electro- Acoustic Sensor Design, Development and Evaluation, SONAR Antenna Design & Field Implementation, Sensor for Under Water Communication, Research and Development in Underwater Transducer Design, Project Management, Techno Mechanical activities.

Qualification: PG in Physics with Electronics as special subject.

Occupation / Post Held: Retd. Scientist-F / Jt.Director (Division-Head “Transducer design and Measurements”, Defence Research & Development Organization (DRDO, Ministry of Defence)
Present Work: Professor, Amrita Center for Wireless Network and Applications, Amrita Viswa Vidyapeetham, Amritapuri, Clappana P.O., Kollam-690525, Kerala.
Experience: Teaching: Seven years at graduate level.

 

 

Publications

Conference Paper

Year : 2026

Multi-task Model for Blood Pressure Assessment from Short PPG Measurements

Cite this Research Publication : Durga Padmavilochanan, Rahul Krishnan Pathinarupothi, K. A. Unnikrishna Menon, Maneesha V. Ramesh, P. Venkat Rangan, Multi-task Model for Blood Pressure Assessment from Short PPG Measurements, Lecture Notes in Networks and Systems, Springer Nature Singapore, 2026, https://doi.org/10.1007/978-981-95-2878-3_30

Publisher : Springer Nature Singapore

Year : 2021

Heart Lung Health Monitor: Remote At-Home Patient Surveillance for Pandemic Management

Cite this Research Publication : Shaji, S., Pathinarupothi, R.K., Rangan, E.S., Menon, K.U. and Ramesh, M.V., 2021, October. Heart Lung Health Monitor: Remote At-Home Patient Surveillance for Pandemic Management. In 2021 IEEE Global Humanitarian Technology Conference (GHTC) (pp. 127-130). IEEE.

Publisher : 2021 IEEE Global Humanitarian Technology Conference (GHTC) (pp. 127-130). IEEE.

Year : 2021

REWOC: Remote Early Warning of Out-of-ICU Crashes in COVID Care Areas using IoT Device

Cite this Research Publication : Pathinarupothi, Rahul Krishnan,Dipu T. Sathyapalan, Merlin Moni, KA Unnikrishna Menon, and ManeeshaVinodini Ramesh. "REWOC: Remote Early Warning of Out-of-ICU Crashes in COVID Care Areas using IoT Device." In 2021 IEEE International Conference on Bioinformatics and Biomedicine (BIBM), pp. 2010-2013. IEEE, 2021.

Publisher : IEEE International Conference on Bioinformatics and Biomedicine (BIBM).

Year : 2018

Motion Artifact Removal and Feature Extraction from PPG Signals Using Efficient Signal Processing Algorithms

Cite this Research Publication : A. Luke, Shereena Shaji, and K. A. Unnikrishna Menon, “Motion Artifact Removal and Feature Extraction from PPG Signals Using Efficient Signal Processing Algorithms”, in 2018 International Conference on Advances in Computing, Communications and Informatics (ICACCI), 2018

Publisher : 2018 International Conference on Advances in Computing, Communications and Informatics (ICACCI).

Year : 2018

Internet-of-Things Based Respiratory Rate Monitoring for Early Detection of Cardiovascular and Pulmonary Diseases

Cite this Research Publication : R. Krishnan Pathinarupothi, Soublet, A., Ekanath Srihari Rangan, V, K. E., Durga P, and Menon, K. A. Unnikris, “Internet-of-Things Based Respiratory Rate Monitoring for Early Detection of Cardiovascular and Pulmonary Diseases”, in HealthyIoT 2018 - 5th EAI International Conference on IoT Technologies for HealthCare, 2018.

Publisher : HealthyIoT 2018 - 5th EAI International Conference on IoT Technologies for HealthCare .

Year : 2017

Border surveillance and intruder detection using wireless sensor networks: A brief survey

Cite this Research Publication : Arjun, D., P. K. Indukala, and KA Unnikrishna Menon. "Border surveillance and intruder detection using wireless sensor networks: A brief survey." In 2017 International Conference on Communication and Signal Processing (ICCSP), pp. 1125-1130. IEEE, 2017.

Publisher : IEEE

Year : 2013

Voltage intensity based non-invasive blood glucose monitoring

Cite this Research Publication : K. A. Unnikrishn Menon, Hemachandran, D., and Kunnath, A. Thekkeyil, “Voltage intensity based non-invasive blood glucose monitoring”, in Computing, Communications and Networking Technologies (ICCCNT), 2013 Fourth International Conference on, 2013.

Publisher : Computing, Communications and Networking Technologies (ICCCNT), 2013 Fourth International Conference.

Year : 2012

Wireless Sensor Network for River Water Quality Monitoring in India

Cite this Research Publication : K. A. Menon, Dr. Maneesha V. Ramesh, and P., D., “Wireless Sensor Network for River Water Quality Monitoring in India”, in Third International Conference on Computing Communication & Networking Technologies (ICCCNT), 2012 , Coimbatore, 2012.

Publisher : IEEE

Year : 2012

Power optimization strategies for wireless sensor networks in coal mines

Cite this Research Publication : Unnikrishna Menon, K.A.,;Maria, D.,;Thirugnanam, H. on "Power optimization strategies for wireless sensor networks in coal mines"IFIP International Conference on Wireless and Optical Communications Networks, WOCN.

Publisher : IFIP International Conference on Wireless and Optical Communications Networks.

Journal Article

Year : 2025

Experimental investigation to analyze the electromagnetic radiation exposure from wireless communication devices

Cite this Research Publication : Meenu L., Aiswarya S., K.A. Unnikrishna Menon, Sreedevi K. Menon, Experimental investigation to analyze the electromagnetic radiation exposure from wireless communication devices, Journal of Hazardous Materials Advances, Elsevier BV, 2025, https://doi.org/10.1016/j.hazadv.2024.100548

Publisher : Elsevier BV

Year : 2024

A Comprehensive Real Time Investigation on the Influence of Plant Species on Antenna Characteristics in Outdoor Wireless Communication

Cite this Research Publication : Meenu L, Aiswarya S, K A Unnikrishna Menon Sreedevi K. Menon (2024). A Comprehensive Real Time Investigation on the Influence of Plant Species on Antenna Characteristics in Outdoor Wireless Communication, In IEEE Access

Publisher : IEEE

Year : 2017

A Survey of Remote Patient Monitoring Systems for the Measurement of Multiple Physiological Parameters

Cite this Research Publication : Sruthi, K., Kripesh, E.V. & Unnikrishna Menon, K.A. A survey of remote patient monitoring systems for the measurement of multiple physiological parameters. Health Technol. 7, 153–159 (2017). https://doi.org/10.1007/s12553-016-0171-1

Publisher : Springer

Year : 2016

Simulation framework for modeling magnetic induction based wireless underground channel

Cite this Research Publication : P. Ajith, Menon, K. A. Unnikrishn, and Menon, V. N., “Simulation framework for modeling magnetic induction based wireless underground channel”, Advances in Intelligent Systems and Computing, vol. 394, pp. 229-237, 2016.

Publisher : Advances in Intelligent Systems and Computing, Springer Verlag.

Book Chapter

Year : 2024

Real Time Investigation on Electromagnetic Radiation Exposure from Cell Tower

Cite this Research Publication : Meenu L, Aiswarya S, K A Unnikrishna Menon, Sreedevi K. Menon (2024). Real Time Investigation on Electromagnetic Radiation Exposure from Cell Tower, In International Conference on Innovative Computing and Communications: Proceedings of ICICC 2024. Springer Singapore, 2024

Year : 2016

Inductively Powered Underground Wireless Communication System

Cite this Research Publication : A. Gungi, Vippalapalli, V., Menon, K. A. Unnikrishn, and Hariharan, B., “Inductively Powered Underground Wireless Communication System”, in Microelectronics, Electromagnetics and Telecommunications, Springer, 2016, pp. 205–215.

Publisher : Microelectronics, Electromagnetics and Telecommunications, Springer.

Patents

Year : 2020

Physiological Monitoring System for the Measurement of Multiple Parameters

Cite this Research Publication : KA Unnikrishnan Menon, Sruthi Krishna, Kripesh Edayillam V., Gayathri Bindu, Maneesha V. Ramesh, “Physiological Monitoring System for the Measurement of Multiple Parameters”, Application Number: 201741046721, Patent Type: Complete, India Patent, Published June 28, 2019 .

Publisher : Application Number: 201741046721, Patent Type: Complete, India Patent.

Year : 2019

Spectroscopic monitoring for the Measurement of Multiple Physiological Parameters

Cite this Research Publication : Unni Krishna K.A. Menon, Sruthi Krishna, Kripesh V. Edayillam, Gayathri Bindu, Harikrishnan Krishnannair, Maneesha Vinodhini Ramesh, "Spectroscopic monitoring for the measurement of multiple physiological parameters", Application Number: 16/232,288, Patent Type: Nonprovisional, US Patent, 12/26/2018 Published June 27, 2019.

Publisher : Application Number: 16/232,288, Patent Type: Nonprovisional, US Patent,.

Year : 2018

Wearble Wireless Tongue Controlled Devices

Cite this Research Publication : K. A. Unnikrishn Menon, Jayaram, R., Pullarkatt, D., and Ramesh, M. Vinodini, “Wearble Wireless Tongue Controlled Devices”, 14/690,266 Issued as US Patent 9,996,168 on June 12, 2018, Nonprovisional, Published Oct 22, 2015.

Publisher : 14/690,266 Issued as US Patent 9,996,168 on June 12, 2018, Nonprovisional.

Year : 2018

Wearable wireless tongue controlled devices

Cite this Research Publication : K. A. Unnikrishna Menon, Jayaram, R., and Divya, P., “Wearable Wireless Tongue Controlled Devices ”, Volume US Patent 9,996,168 (2018).

Publisher : US Patent 9,996,168 .

Year : 2016

Wearble Wireless Tongue Controlled Devices

Cite this Research Publication : K. A. Unnikrishn Menon, Jayaram, R., Pullarkatt, D., and Ramesh, M. Vinodini, “Wearble Wireless Tongue Controlled Devices”, India Patent 1990/CHE/2014, Nonprovisional, Published January 1, 2016, RFE filed on April 8, 2016.

Year : 2016

Vehicular Headlight attenuation using Wireless Sensor Networks

Cite this Research Publication : KA Unnikrishnan Menon, Alin Devassy, Maneesha V. Ramesh, “Vehicular Headlight attenuation using Wireless Sensor Networks”, India Patent 5860/CHE/2014, Nonprovisional, Published July 1, 2016, RFE filed March 22, 2018.

Other

Year : 2015

Voltage Intensity Based System For Non-Invasive Glucose Monitoring Using NIR AND Method Thereof

Cite this Research Publication : K. A. Unnikrishn Menon, Hemachandran, D., and Ramesh, M. Vinodini, “Voltage Intensity Based System For Non-Invasive Glucose Monitoring Using NIR AND Method Thereof”, India Patent 1642/CHE/2014, 3/27/2014 Provisional, March 27, 2015 Nonprovisional, Published December 25, 2015, RFE filed July 8, 2015.

Publisher : India Patent 1642/CHE/2014, 3/27/2014 Provisional, March 27, 2015 Nonprovisional, Published December 25, 2015, RFE filed

Conference Proceedings

Year : 2011

SleepGaze: A Wireless System for Monitoring and Detection of Sleep Disorders

Cite this Research Publication : Dr. Maneesha V. Ramesh, Menon, K. A. Unnikrishn, and Jose, D., “SleepGaze: A Wireless System for Monitoring and Detection of Sleep Disorders”. 201

Publisher : 2011.

Research
  •  Thirty years experience in the field of development of Underwater Electro- acoustic Transducers for various Sonar Systems of the Indian Navy for induction to ships, submarines and airborne operations. Development of sensors for Tsunami Warning system and Life Recovery System during earthquake.
Details of R&D Work 
  1. Successfully completed the following Projects:
    • Development of underwater transducers for Hull-mounted arrays for ship- sonar
    • Underwater communication system for ships and submarines.
    • Integrated sonar systems for submarines (active and passive)
    • Airborne Dipping Sonar and Ranger buoys
    • Transponders
  2. Technical documentation for projects in the following areas: Transfer of   Technology, Factory Acceptance Tests & Procedures and Qualification Approval Plan.
  3. Characterization of piezo-ceramic materials, ferrite cores and underwater cables.
  4. Techno-managerial area:
    • Division Head – ‘Projectors’:  Active transducer development for various Naval Projects.
    • Division Head –  ‘Transducer Measurements’:  Measurement support to all projects, technology development and Fleet support.
    • Interaction with production agencies: Transfer of technology for bulk production of subsystems for various projects and training of technical personnel.
  5. Chairman of various Committee/ Boards: a) Tender Procurement Committee b) Assessment Board c) Condemnation Board
  6. Member Review Committee:
    • Authored and  co-authored several technical reports and papers. Guided MTech  students in various projects as a part of the completion of their Projects, review of technical papers, symposia proceedings, organizing / conducting seminars , symposia and lectures.
  7. Project Manager: Successfully completed various prestigious Naval projects as Project Manager  / Project Director. Recognition of the projects by induction to service  of the Indian Navy and by awarding the prestigious DRDO   ‘AGNI’ award.
Awards
  1. DRDO Award for project PANCHENDRIYA from Scientific Advisor to Raksha  Mantri  (SA TO RM) – Dr.APJ Abdul Kalam.  – “Induction  of first indigenous state- of- the art sonar to the service”.
  2. DRDO ‘AGNI’ Award for excellence in self reliance from SA to RM – Dr. M .Natarajan – “Design and development of sonar system for fitment on submarines”.
  3. NPOL Golden Jubilee Award for :
    • Development of state- of- the- art transducer for a Sonar System.
    • Demonstrating Underwater Telephone on Naval Platform
    • NPOL Award for Field service
Work Area/Technical Expertise
  1. Transduction mechanism  and concepts
  2. Characterization of piezo-electric materials and passive materials for fabrication of electro-acoustic transducers and their encapsulation.
  3. Design and fabrication of electro-acoustic transducers for sonic and ultrasonic frequencies capable of working under water.
  4. Equivalent circuit analysis and transduction analogies of mechanical /electrical / acoustic parameters.
  5. Impedance matching requirements of ‘electro-mechanical devices’ for system .    interface.
  6. Vibration modes of different configuration of active materials.
  7. Design and development of pressure and acceleration compensated passive and active transducers for detection of underwater target, obstacle avoidance ,communication etc.
  8. Design of low frequency, high power and compact transducer  like unimorphs/bimorph, sandwich- tonpilz , symbal and flextensional transducers.
  9. Transducer array design for beam control.
  10. Performance evaluation of developed transducers under controlled environmental  conditions and actual field trials.
  11. Parameter measurement using automated measurement system:
    • Receiving sensitivity & projector response
    • Electrical impedance, phase, power handling, source level
    • Receiving / transmitting directivity
    • Acceleration sensitivity and shock response
  12. In-se-to evaluation of transducers under high pressure and low temperature.
  13. Development of transducers using Piezo-ceramics, Piezo-polymers and Piezo-composites.
  14. Project co-ordination, management and direction
  15. Project documentation, technical publications and training for technology transfer
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