Irfan Kerawalla

Actively looking for Full time positions in Wireless and Telecommunication.

aca5s8@r.postjobfree.com

Summary

• Experience with wireless technologies like GSM, 3G & 4G LTE networks, CDMA, OFDM, MIMO, UWB,

Wi-Fi and WCDMA/UMTS.

• Good knowledge about networks like LAN/WAN, Routers, Switches, Bridges, Servers and Hubs.

• In-depth knowledge of Computer Architecture, Microprocessors, Microcontrollers and Microchip PIC 33F

family.

Experience

System Integration and Interoperability Specialist Engineer at BlackBerry

February 2013 - Present (10 months)

• GCF and PTCRB device certification testing with focus on 2G protocol and LTE Protocol.

• AT&T and T-Mobile Carrier Acceptance testing. Supporting SFN testing for Verizon.

• Analyzing logs, investigating and troubleshooting of protocol layer issues and submitting them internally for

further analysis and resolution.

Familiar with Anite 9000, Anritsu, Spirent, Agilent 8960, CMW 500 and CMU 200

2 recommendations available upon request

Field Test Specialist Engineer at Research in Motion

January 2012 - August 2012 (8 months)

As a Field Test Specialist, I was dedicated to test and verify upcoming BlackBerry products in the field to

ensure quality prior to release. In my role, I identified issues arising in the field and performed first level

trouble-shooting where appropriate, accurately describing the issues, collecting logs and submitting them

internally for further analysis and resolution. I also assisted in writing/updating test cases and procedures to

facilitate the test efforts as well as develop, optimize and maintain a consistent test strategy

• Hands-on experience with testing and developing BlackBerry 10 products. Identified and accelerated the

resolution of critical issues. QXDM log Analysis.

• Proficient in performing User Acceptance Tests (UAT), Throughput tests using Metrico Datum, Call

Performance tests, Nomad, A-GPS, OTASL. Familiar with testing 10776 document of AT&T.

• Good understanding of LTE network and architecture.

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Languages

English (Full professional proficiency)

Hindi (Full professional proficiency)

Marathi (Professional working proficiency)

Urdu (Professional working proficiency)

Courses

Masters, Engineering

The University of Texas at Arlington

Advanced Wireless Communication

Advanced Data Networks

Projects

Design of Orthogonal Space Time Block Code using MIMO

December 2011 to Present

Members:Irfan Kerawalla

Performance analysis of orthogonal space time block codes for different multiple input multiple output

(MIMO) transmitter and receiver topologies using MATLAB simulation.

Low Frequency Signal Generator and Analyzer

October 2011 to Present

Members:Irfan Kerawalla

Designing a system capable of capturing analog signals and generating various waveforms using

33FJ128MC802 microcontroller. Study of built-in devices including timers, PWM, interrupts, GPIO ports,

and A/D converters. Interfacing with SPI, serial, and CAN buses and real time control applications.

• SDRAM controller design

July 2011 to Present

Members:Irfan Kerawalla

Design of an SDRAM controller that allows SDRAM memory to be interfaced with a microprocessor. DMA

controller design, co-processor operation, interrupt-driven I/O, oscillators and timer peripherals.

Wireshark

April 2011 to Present

Members:Irfan Kerawalla

Analyzing protocols and studying the operation of the interface between a computer and the internet. Live

capture and interactive browsing of traffic running on a computer network.

System Level Design for a Mobile Wireless User Terminal.

December 2010 to Present

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Members:Irfan Kerawalla

System level design for a mobile wireless user terminal using block phase estimation algorithm. Designing a

simulation reference system for GPDCH subject to Rician flat fading using MATLAB and design a

demodulator for the fading channel with QPSK modulation.

Implementation of DVB-SH system

April 2011 to Present

Members:Irfan Kerawalla

Study and working of a Digital Video Broadcast Satellite to hand held devices (DVB-SH) system for transfer

of high quality multimedia content to mobile devices, running test streams and suggesting further room for

improvement and research.

Design of a Digital Communication System

December 2010 to Present

Members:Irfan Kerawalla

Design of a physical layer simulation reference system for a digital communication system used in wireless

local area network (WLAN).

Skills & Expertise

CDMA

MIMO

WiFi

Microprocessors

Switches

Routers

LTE

Bridge

GSM

CDMA2000

UWB

UMTS

WCDMA

Wireshark

Wireless

System Verilog

WiMAX

Troubleshooting

3GPP

GCF

PTCRB

Protocol

Conformance Testing

Cellular Communications

Anite

Agilent

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Spirent

Anritsu

Education

The University of Texas at Arlington

Masters, Engineering, 2010 - 2012

University of Mumbai

Bachelors of Engineering, Electronics, 2006 - 2010

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Irfan Kerawalla

Actively looking for Full time positions in Wireless and Telecommunication.

aca5s8@r.postjobfree.com

2 people have recommended Irfan

"I know Irfan since he was Intern in FTS team, He is very hard working and goal oriented professional. Even

though we were in different group but always engage in technical discussion on LTE protocols. I believe he

posses in depth knowledge on Device Certification process and has outstanding grip over LTE protocols. He

would be a strong asset to any company."

Azam Jiva, IOT Specialist - System Integration, BlackBerry, worked with Irfan at BlackBerry

"I learned of Irfan's work ethic and skill set through his previous BlackBerry manager when Irfan was a field

test co-op student. On my team he was able to master LTE and GSM 3GPP protocol certification testing. His

daily tasks where self directed, his results were highly accurate and he always met our demanding schedules.

Irfan will make a positive impact on any technical team that is fortunate enough to have him."

Wayne Parham, Radio Verification Manager, BlackBerry LTD, managed Irfan at BlackBerry

Contact Irfan on LinkedIn

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