RF and Microwave System and Subsystem Designer
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Doctorate and nineteen years of experience in design and development of RF Systems and modules for wireless communications and instrumentation. Knowledgeable in RF and DSP theories with over fifteen years of industrial experience, including five years of technical leadership followed by four years of academic research. Architectural knowledge of RF test and measuring equipment such as Anechoic Chamber, Spectrum and Network Analyzers, Vector Signal Generators and Analyzers.
Experienced in designing RF systems such as transmitters, receivers, transceivers and modules such as amplifiers, oscillators, synthesizers, RF passives, Antennas and microcontroller-based system design for defence, medical and large volume commercial applications with technical leadership. Strong analytical, communication, collaboration, problem solving & team building skills with proficiency at grasping new technical concepts quickly and utilize the same in a productive manner.
A senior member of IEEE.
Filed 5 US patent applications and 2 UK patent applications as a doctoral researcher with National University of Ireland, Maynooth.
Qualcomm, Bangalore (India)
From Dec 2020 till date
Senior Staff RF System Engineer (On par with Principal Engineer in hierarchy)
Skill Highlights: Digital Modulation and Demodulation Techniques, Wideband Calibration, Microwave Hardware Design, Antennas and Beamforming
From Jan 2020 to Nov 2020
Skill Highlights: Digital Modulation and Demodulation Techniques, Wideband Calibration, Microwave Hardware Design, Antennas and Beamforming
From Nov 2015 to Nov 2019
Doctoral Researcher pursuing PhD in Electronic Engineering
Skill Highlights: Digital Modulation and Demodulation Techniques, Wideband Calibration, Microwave Hardware Design, Antennas and Beamforming.
Thesis Title: Digitally Assisted Transmitter Enhancement Techniques for Millimeterwave Radio Systems
Area of focus: Analogue and Digital Co-design
Work Undertaken and Publications as first author:
i) Frequency Interleaved Modulators to Support Channel Bonding in Satellite Communications: This was presented at the RIA Colloquium RIA Research Colloquium: Communications and Radio Science for a Smarter World, March 2017. A technique to generate wideband modulated signals using relatively narrow band modulators by interleaving them in frequency domain is presented.
ii) Digitally Assisted Wideband Compensation of Parallel RF Signal Paths in a Transmitter: This paper was presented at the 91st ARFTG Microwave Measurement Conference (Co-located with International Microwave Symposium 2018) at Philadelphia on 15 Jun 2018.
iii) Wideband Interleaved Vector Modulators for 5G Wireless Communications: This paper was presented at the conference ‘IMWS-5G’ (International Microwave Workshop Series – 5G) held in Dublin on 30 Aug 2018.
iv) A Novel Physical Layer Encryption Scheme to Counter Eavesdroppers in Wireless Communications: This was presented at the flagship conference IEEE-ICECS 2018 held at Bordeaux France between 09 Dec 2018 and 12 Dec 2018.
v) A Novel Physical Layer Encryption Scheme with PAPR Reduction based on Channel and Hardware Responses.
vi) Spatially Combined Wideband Interleaved Transmitter: This paper was been presented at the conference EuCNC 2019 co-located with Global 5G event held at Valencia, Spain between 18th to 21st June 2019.
Pace Micro Technology, India (Now Acquired by Commscope)
From Oct 2009 to Aug 2015
Skill Highlights: DVB-C, DVB-S, WiFi PHY, EMI/EMC, RF Front End design, Full Band Capture
Key role entails leading a team of RF engineers for large volume products with the following responsibilities
Jointly responsible for EMI/EMC performance of the overall receiver and for commissioning and maintenance of Wireless Test facility (Anechoic Chamber).
iii) An application for a patent was filed for “In Application Digitally Tuneable RF Coils” that allows an RF coil to be fine tuned digitally while in a scanner as per the application’s bandwidth requirements and as per the magnetic field strength of the scanner.
iv) An application for a patent has been filed for “Apparatus for automatically testing and tuning radio frequency coil” for measurement and monitoring of critical safety and operational RF parameters of an MRI system. This may be accessed at the link.
M/s United Systems Engineers (P) Ltd., Jul 2004 to Sep 2007
(The firm was a contractor for RF systems and subsystems to Indian defence and space establishments and was a strategic partner of “Aeronautical Development Establishment” in the development of the “Pilot less Target Aircraft, Lakshya”.)
Products Designed and Developed (LF to X Band):
Programming Languages : C (proficient), MATLAB, 8051 ASSEMBLY, PIC ASSEMBLY
EDA Tools : ANSOFT Designer (RF), APPCAD, Keysight ADS, Mentor Graphics PCB Suite, EM PRO, Ansys HFSS
Other software : MS Office, DOORS
