Nisheel Bejjanki

Frisco, Texas *****

302-***-****

aczika@r.postjobfree.com

SUMMARY OF QUALIFICATIONS

Senior RF and Wireless Engineer over 3 Years of experience

Highly qualified and extensively trained professional with Hands-on experience.

3+ year of design and development experience with RF products and systems which include transmitters, receivers, and frequency synthesizers in the DC to 6GHz operating frequency range with power levels up to +30dBm.

Worked on basic hardware testing.

Over 3 years of experience using RF Test equipment such as Network Analyzer, Spectrum Analyzer, Signal Generator, TDR, OTDR.

Experience working with testing tools as Oscilloscopes.

Hands on experience with Network analyzers/Vector Network Analyzers. Ability to calculate and understand Link Budgets.

Hands on experience working with Bert's and Time Domain Reflectometers.

Knowledge of IDE’s.

Experience with basic electronics manufacturing and prototyping.

Design, Documentation, and Testing of Microcontroller Based Solutions, Circuit Simulation & Analysis, Selection of Components, Interface with Manufacturing and Embedded Software Engineers

Knowledge on regulatory (FCC, IEC) requirements

Dealt with PCB Design.

Good Knowledge on the OSI model, TCP/IP, UDP, IP, addresses and Sub netting.

Experience with complex routed LAN and WAN networks, routers and switches.

Routing protocols BGP,OSPF,RIP,MPLS.

Good Experience with in GSM, UMTS, LTE, VoLTE network design and performance.

Good Knowledge on Atoll, Geoplan.

RF engineering principles (RF communications theory, design principles, network optimization, propagation modeling and prediction, etc.) and vendor capability assessment.

Network architecture (3GPP Air interface, standards, technology and evolution, etc.).

Basic Idea of SCADA, PLC’s Programming.

Experience in Troubleshooting Electrical Systems.

Good Knowledge on Control Theory, PID controllers, VFD’s.

Basic Knowledge on LabVIEW, Python, c++ Programming Languages.

Develop and releasing product to manufacturing, including experience with manufacturing methods, emissions testing, regulatory and all steps necessary for a successful launch to manufacturing.

Demonstrate thorough understanding and application of engineering principles, concepts, theory, and practice with the ability to organize, plan, schedule, conduct, and coordinate workloads to meet established deadlines or milestones.

Worked with a well versed QA team

Weekend and offshore support as needed and flexible to work and learn new technologies.

Self-motivated with ability to work independently/work together in team environment.

Capable of quickly learning new technologies and adapting to new environments

EDUCATION

State University of New York at New Paltz – New Paltz, New York.

Master of Science: Electrical Engineering (GPA - 3.3/4.0)

Jawaharlal Nehru Technological University – India

Bachelor of Science: Electrical Engineering (GPA - 3.4/4.0)

TECHNICAL SKILLS

Hands-On: RF/Analog Simulation tools, Excellent RF, analog, and digital debugging and lab skills Proficient in schematic capture tools, 8085 and 8086 Micro controllers, ARM 7 and ARM 11 Microprocessors, LTE, FPGA, Zig-Bee Wireless Communication Module, Bluetooth Technology, GSM, LTE, VoLTE, UMTS, LabVIEW, Python, C++, SCADA Techniques, PLC, Control Theory, Atoll, Geoplan, VSWR, Link Budget.

PROFESSIONAL EXPERIENCE

T-Mobile USA – Sunrise, Florida (November 2016 – February 2017)

RF Engineer

Support daily functional activities like GSM, UMTS and LTE Voice and Data performance degradation or post-modernization optimization. Monitor and take action on Hourly performance alerts and addressing customer tickets from Customer Care and Sales.

Checking the BSS Availability report for the Long Island market on a daily basis, reporting the troubleshoot comments for the cells having bad availability to the RF team and Field Operations teams. The report helps tell where the issue needs to be fixed.

Work with the Senior Engineer / Team Lead to monitor network nodes, learn troubleshooting & optimization methodologies and develop action plans to improve Key Performance Indicators (KPIs).

Analyze drive test data and make recommendations for coverage / quality improvement and dropped call / access failure mitigation.

Conduct network performance analysis and trials with the Senior Engineer / Team Lead. Support the Senior Engineer / Team Lead in implementing the improvement actions. Conduct analysis and roll-out, test and verify new features, methodologies and on field testing.

Support different projects related to new site build / modernization / sector split design (GSM, UMTS and LTE coverage growth) and In-Building / Distributed Antenna Systems (DAS) design: site validation, justification packages, site integration, call / walk testing, etc.

Support sales and marketing teams by creating custom maps and technical reports for 4G, 3G and 2G coverage.

Utilize different databases and tools used in T-Mobile like TPIM and Asset to track cell site location, cell site configuration, and cell site predicted coverage.

Generating the MPE (Maximum Permissible Emissions) EME report for the sites planned as New Site Design (NSD) or L700 Integration sites. The MPE report validates the sites as transmitting emissions within the limits proposed by the FCC.

Troubleshooting the top 40 sites having the highest drops and drop rate using TPIM software (network analyzer), Actix, Nokia OSS while also checking for any work orders (WO) or trouble tickets (TT) on the site. These sites would be further investigated if the drops did not return to the normal trend.

T-Mobile USA – Syosset, New York (December 2015 – May 2016)

RF Engineer Intern

Checking the BSS Availability report for the Long Island market on a daily basis, reporting the troubleshoot comments for the cells having bad availability to the RF team and Field Operations teams. The report helps tell where the issue needs to be fixed.

Generating the MPE (Maximum Permissible Emissions) EME report for the sites planned as New Site Design (NSD) or L700 Integration sites. The MPE report validates the sites as transmitting emissions within the limits proposed by the FCC.

Troubleshooting the top 40 sites having the highest drops and drop rate using TPIM software (network analyzer), Actix, Ericsson OSS software, TrueCall, Highlighthome, while also checking for any work orders (WO) or trouble tickets (TT) on the site. These sites would be further investigated if the drops did not return to the normal trend.

Worked on solving customer complaints concerning dropped calls, poor voice quality and slow internet speeds. Troubleshoot the site covering the problem location, educating the subscriber about the RF conditions on the site and our plan of action to improve the condition. Also, at times made relevant optimization on the site with the help of Sr. RF Engineer.

Worked with Sr. RF Engineers to design long term relief measures for the currently congested sites as well as future congested sites, making use of MapInfo tool which is a GIS mapping tool. Some of the relief measures include adding L700 layer on the neighboring site, L1900 overlay on same site or neighboring site, adding DAS nodes for venue sites, proposing sector add or cell splitting for heavily congested site

Cleaning up the ASSET database of T-Mobile (core network design database) for the Long Island market for maintaining the network data integrity, following the discovery of discrepancy in the data by the team

Working knowledge on updating the National RFDS sheets and RND CIQ.

Hands on Experience with TEMS data and ASSET data.

Used TEMS records to trouble shoot the site issues.

Basic working experience in propagating a site/ group of sites in ASSET (core network design database).

Will be doing the antenna sweeps physically on the site using the Anristu SiteMaster equipment under guidance of Sr. Field Technician.

Working knowledge of changing the site parameters such as electrical tilt, uplink and downlink attenuation, Traffic Delay in the Ericsson OSS.

Worked on multiple other minor projects regularly. One of them being the decommissioning of the 2G sites which were Off-Air. Selected cell sites on Actix for call testing after the rehoming of the RNCs was done.

Software

TPIM, Ericsson OSS(LTE, UMTS and GSM), Actix, DAS, ASSET, National RFDS website, TrueCall, Highlighthome, SORT, TEMS Investigation, 911 Call Testing Tool, MapInfo, OMCR, Ericsson Site Handler website.

V-Com LLC – New York (April 2015 – July 2015)

RF Engineer Intern

Used raw RF data from antenna sites to perform Computer Modeling & Calculations using Roofview, a software analysis macro to evaluate RF exposure levels.

Simulated and examined proposed modifications to ensure site safety and FCC regulatory compliance of MPE levels based on field measurements and antenna radiation pattern.

Generated FCC EME Compliance reports for AT&T and Verizon.

Placed access points to maximize wireless coverage in a variety of environments, by varying the azimuth and down-tilt, and using omni-directional or directional antennas as required.

Trouble shooting in-hub issues.

Drive Testing Hubs for optimization

Upgrading LTE capacity for DAS by performing Acceptance Test Protocol of upgraded nodes.

Collecting data with drive study receiver.

Locating location and assembling node for continuous wave test.

Equipment Used

Dragon transmitter, Tortoise transmitter, Coyote drive study receiver, Hands on experience in amplifiers, attenuators, mixers, switches, variable gain amplifiers, modulators and demodulators. Hands-on experience with operation and programming of RF test equipment such as Network Analyzers, TEMS Investigation, Signal Generators, Power Meters, Pulse Generators, Oscilloscopes and Spectrum Analyzers.

Chitra International – India (November 2011 – December 2014)

RF Design& Test Engineer

Worked on basic hardware testing.

Experience working with testing tools as Oscilloscopes.

Developed software for power glitch measurement.

Hands on experience with Network analyzers/Vector Network Analyzers.

RF propagation analysis and link margin analysis for air-to-air, air- to-ground, and ground-to-ground radio links.

RADAR propagation analysis and performance predictions.

Analog and Digital Circuit Design.

Experienced in design for EMC & RF requirements

Worked with a well versed QA team.

Experienced with hands-on lab debug and validation during product bring-up by means of EE lab equipment: real-time oscilloscope, low-frequency vector network analyzer (VNA), high-frequency VNA, time-domain reflectometry (TDR), and spectrum analyzer, logic analyzer.

Validated and tuned various high-speed buses (PCIe, USB) and validated other low-speed buses (SPI, UART, Flash)

Board bringing up, mechanical & functional verification.

Performing thorough debug of new and existing designs including detailed failure analysis.

Performing detailed design verification testing (DVT)

Familiarity and hands on-experience with emissions and Immunity testing, including Conducted RF Emissions/ Immunity, Radiated RF Emissions/ Immunity, Conducted Transient Emissions, Magnetic Field Emissions.

Design and development experience with RF products and systems which include transmitters, receivers, and frequency synthesizers in the DC to 6GHz operating frequency range with power levels up to +30dBm

Design, Documentation, and Testing of Microcontroller Based Solutions, Circuit Simulation & Analysis, Selection of Components, Interface with Manufacturing and Embedded Software Engineers

Developed and optimized LCD module performance for portable navigation device (PND)

Defined and reviewed LCD module mechanical architecture and performance requirements

Worked with supplier to understand up-to-date mechanical interface technologies to enable strong and compact system designs

Design experience with RF discrete components as well as RFICs, amplifiers, LNAs, synthesizers, filters, VCOs, directional couplers, transmission line modeling, and antennas

Proficient in board layout design to include Density Interconnect (HDI) and surface mount technologies.

Worked with understanding of noise, thermal and emission issues.

PROJECT EXPERIENCE

HAM Radio

Research on the most basic wireless communication device HAM Radio.

Characteristics of the Radio and other various aspects were analyzed.

4 Bit Serial IN parallel OUT Shift Register

Project based on the D-Flip Flop and the shift register was designed using Micro wind software.

Synthetic Aperture RADAR

A simple concept of imaging using the RADAR concept.

Also finding the velocity, time, distance and position of the object using the designed RADAR coupled with Mat Lab Coding.

Power reduction in a Six Transistor SRAM

This is achieved by reducing and containing the leakage current and sub-threshold current in 6T SRAM.

FM Transistor

A simple copper wire based antenna used to transmit as well as receive data or media using simple store available components.

Quad Copter

An X type configured Quad copter using four brushless motors and a RF transmitter receiver to control the flight.

The software is coded on to an Arduino UNO board.

Robotics

Performed many projects such as Obstacle avoiding, Edge Avoiding, Noise detecting, ultra sound robots mainly using Atmel- Atmega8 with 8 KB system in programmable flash memory.

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