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Pravinkumar
2570, Quantum Lakes Drive
Boynton Beach, Florida, 33426

Education:  

M.S. in Electrical Engineering: University of Central Florida, Orlando, FL.
2002 Fall, GPA: 3.74/4.0     Specialization: Digital Signal Processing
Thesis Title: "Speaker Identification Employing Waveform and Model based Speech Signal Representations".Professor: Dr. Wasfy Mikhael

B.E. in Electrical and Electronics Engineering: College of Engineering, Guindy, Anna University, India.
2000 June, GPA: 7.52/10    
Research Project Title: "Time Frequency Analysis of Transient Signals Employing Wavelets"

Areas of Interest: 

Digital Signal Processing for Communications, Wireless Communications,Speech Processing.

Patents and Publications: 

Patent Applications/Invention Disclosures: 

• Invention Disclosure(Pending): Pravin Premakanthan and Mahib Rahman “A Closed Loop Transmit Power Control System without the need for Factory Calibration of Loop Control Parameters for GSM, WCDMA, EDGE modes”,Motorola,Florida,Filed:May 30,2003. 

Conference/Journal Papers: Publications Page

• W.B. Mikhael, and Pravinkumar Premakanthan “An Improved Speaker Identification Technique Employing Multiple Representations of the Linear Prediction Coefficients” IEEE International Symposium on Circuits and Systems, 2003, Bangkok. (Accepted).
• Pravinkumar Premakanthan,and W.B. Mikhael,“A Linear Prediction Model Based Speaker Identification",(Submitted),IEE Electronic Letters,Aug 2003. 
• W.B. Mikhael, and Pravinkumar Premakanthan, “Speaker Identification Employing Waveform Based Speech CODEC”; 45th Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, 2002.Volume: 3, 2002, Page(s): 340 –343.
• W.B. Mikhael, and Pravinkumar Premakanthan, “Speaker Recognition Employing Waveform Based Signal Representation in Nonorthogonal Multiple Transform Domains” IEEE International Symposium on Circuits and Systems, Arizona, 2002,Volume: 2,2002 Page(s): 608 -611 
• W.B. Mikhael, and Pravinkumar Premakanthan, “Speaker Identification Employing Redundant Vector Quantisers”, IEE Electronics Letters, Volume: 38 Issue: 22, Oct 2002 Page(s): 1396 –1398  
• W.B. Mikhael, and Pravinkumar Premakanthan, “Speaker Verification/Recognition and the Importance of Selective Feature Extraction: Review”, 44th IEEE Proceedings on Midwest Symposium on Circuits and Systems, Ohio, 2001, Volume: 1, Page(s): 57 –61.
• Pravinkumar Premakanthan and Wasfy. B. Mikhael, “Multiple Transform Domain based Speaker Identification using Vector Quantization Clustering”, IEEE, International Symposium on Signal Processing & Information Technology, Egypt, 2001.
• Pravinkumar Premakanthan, Jayashankar, and Prashantkumar,“Time-Frequency Analysis of Transient Signals (WAVELET APPROACH)”, IEEE Technological Conference, (TENCON 2000), Malaysia, September 2000. Proceedings, page(s): 261 - 264,24-27.
• Pravinkumar, Jayashankar, and Lokesh Babu,“Failure Recognition in Transformer using Time-Frequency Analysis (Wavelets)”, International Conference on Signal processing and Application Technology (ICSPAT 2000), Texas, October 2000.
• Co-Author-“Adaptive IQ Mismatch Cancellation for Quadrature IF Receivers”, Technical Report, University of Central Florida, 2001.

Research / Development / Implementation/Teaching Experience:  

• Motorola, Systems Engineer, Wireless Integrated Technology Center, Oct 2002-Present:: Work Involves system simulations for a Mixed Signal 3G wireless IC. System modeling, simulations, technical report generation, helping the brass board teams in Motorola, France, NewJersy and providing DSP and RF solutions for future design of the RF IC are the primary tasks. Manager: Dr.Mahib Rahman.

• Motorola, Research Intern, Wireless Integrated Technology Center, (WITC), Florida, May-Aug 2002.: Working on Cellular RF/IF transceiver system (Mixed Signal Mode) modeling and analysis. Work involved modeling Wireless transmitter power control loops in Cadence SPW, ADS, and Matlab. Involves Sigma Delta Modulators, Comb Decimation Filters, Saturation Detect, Ramp generator Models.(Analog and Digital Paths) for GSM,EDGE-IQ,WCDMA-IQ modes. Mentor: Dr.Mahib Rahman. 

• Motorola, Research Intern, Wireless Integrated Technology Center, (WITC), Florida.May-Aug,2001. - Work involved creating models for Mixed Mode Wireless IC and evaluating the performances of TX/RX Medium Band Signal path with II Order Sigma Delta Converters, Analyzing the DC offset Correction loop. (May-Aug, 2001). Summer Intern Evaluation Score: 91/100. Test Benches were written in Matlab to analyze the Medium Band Signal Path for an RF IC.Mentor: Dr.Mahib Rahman.

• Graduate Research student, Department of Electrical Engineering, University of Central Florida, Orlando, FL. - Research Student. Design of Speech CODECC for efficient Speech Encoding, transmission, and Speech/Speaker Recognition. Project Sponsored by Naval Research Labs, and Lucent Technologies. The Primary aim was to design a speech encoding technique that would enhance speech recognition/speaker identification performance by using optimal design of Vector Quantized codebooks. The compression obtained was 16 bits/sample to 1.5 bits/sample maintaining the signal quality. Professor: Dr. Wasfy Mikhael.

• Student Researcher, National Institute of Ocean Technology, Indian Institute of Technology, (IIT), India. (June 1999-May 2000). Worked on Wavelet based Signal Processing for High Voltage Applications. The primary objective of the research activity was to employ the Time/Frequency Localization property of the wavelets for transient signal analysis. Idea presented at the ICSPAT Symposium, Dallas Texas,2000. Publications. Professor: Dr. JayaShankar

• Graduate Teaching Assistant, Department of Electrical Engineering, University of Central Florida, FL,(Jan2001- May2002): Courses worked as a TA: Electrical Networks, DSP Fundamentals, DSP Applications, Electronics I, Signals and Communications.Professors: Dr. Kasparis, Dr.Wasfy Mikhael.

• Graduate Teaching Assistant, Department of Mathematics, University of Central Florida, Orlando, FL. (Aug-Dec 2000).

• Courses worked as a TA: Electrical Networks, DSP Fundamentals, DSP Applications, Electronics I, Signals and Communications. Profesor:Dr.Vajravelu

Awards/Honors:  

• “Presidential Research Fellowship”, Awarded to the best 20 Research students of University of Central Florida, Orlando, 2002.

•  “Graduate Research Award”, University of Central Florida, Orlando, 2002.

•  “DUKE OF EDINBURGH AWARD”, Bronze Standard, U.K. govt., 1986  

•  “O.N.G.C. (OIL &NATURAL GAS COMMISSION) Sports scholarship”, 1988

•  “Best Outgoing Sportsperson”, 1996, S.B.O.A higher Secondary school, India

•  “Best Promising Athlete”, St. John's English School, India. (1994).

Seminars/Presentations:  

• "DC Adapt loop for Mixed Signal Transceiver IC Design,” Motorola, Florida, 2001.

• “6- Bit Sigma Delta ADC Design for Medium Band Signal path”, Motorola, Florida, 2001.

•  “CMOS for RF -Design, Implementation and tradeoffs”, University of Central Florida, 2001.

•  “Wavelets for Signal Processing Applications”, International Conference on Signal Processing and Applications, Dallas, Texas, Oct2000.

• “Speech Coding using Wavelet Transforms”, University of Central Florida, Orlando, 2001.

•  “Speech/Speaker Identification using multiple transform Domain based Vector Quantization”, University of central Florida, Orlando, 2001.

•  “Wavelets and its Application in Signal Processing", University of Central Florida,2001.

Relevant Coursework:  

            Adaptive DSP, DSP Applications, Random Processes, (Fall 2000). Advanced Topics in DSP, Speech Processing, Communication Theory (Spring2001).Communication System Design, RF CMOS IC Design. (Fall 2001). Modern Control Systems, Electrical Machine Design, Protection and Switchgear, Transmission and Distribution, Solid/Fluid Mechanics, Material Science, Power system Analysis.

Relevant Projects:  

• "Implementation of a Mat lab-Model of 6-bit Sigma-Delta Converters for the GSM, receiver path, Motorola, 200

•  “Analysis of AOC loops for a wireless transmitter IC, Motorola, 2001.

•   “Implementation of RF/IF Transmit power control loop for a proposed wireless IC, Motorola, 2002.

•  “Modeling of functionalities for TX path of a wireless IC, for all modes. GSM,EDGE,EDGE-IQ, and WCDMA modes.

•  “Analysis of the Low Power applications involved in the using CMOS for RF applications.

•   “Efficient SPEECH CODEC Design and Implementation for Speech Coding and Speaker Identification.

•  “A Novel Approach for accurate Pitch Detection of voiced speech using Discrete Wavelet Transforms.

•   “A Novel Approach for accurate Pitch Detection of voiced speech using Discrete Wavelet Transforms.

•   “Efficient speech Coding using discrete wavelet Coefficients", Improving SNR with lesser bits transmitted.

•   “Discrete Wavelet Filter banks for signal Interference cancellation.

•  Adaptive Interference noise cancellation using LMS algorithm (Cancellation of Maternal Heart beat from Fetus Heartbeat).

•  “Project at I.I.T. Indian Institute of Technology, India, on the topic "TIME-FREQ ANALYSIS OF TRANSIENT SIGNALS",2000.

Relevant Technical Skills:

Engineering Tools                 : MATLAB 6.0, Cadence: IC Tools, SPW, ADS, Simulink, Dadisp, Digi.

Languages and Applications  : Knowledge of TMS320C50 DSP architecture, Programming of   8085-8086 processors, Visual Basic                 

Extra Curricular Activities:

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Last Modified by Pravin on June 6,2003.

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