Gagan Mohankumar
Santa Clara,CA
Summary
An Experienced wireless and RF compliance engineer with over 5 years of experience of detailed knowledge and expertise in RF system level testing with test instruments and, Wireless protocols in cellular and Wi-Fi technologies. Familiar with RF front end systems Tx and Rx. Experienced in creating test plan, performing tests and documenting the results for the RF system testing and compliance testing. Adept in analyzing test reports and collaborated with design engineers and xFN teams to facilitate successful project completion. Hardworking and passionate job seeker with strong organizational skills. I strive towards helping my team achieve the company goals. Motivated engineer recognized for strong critical thinking and problem-solving abilities coupled with successful several-year track record in industry. Dedicated to offering innovative solutions to eliminate legacy issues and elevate performance metrics. Diligent creator of innovative workflows and exceptional final products.
Overview
6
6
years of professional experience
Work History
RF OTA Engineer
CISCO SYSTEMS INC
San Jose, United States
08.2023 - Current
- Company Overview: Contract, Via PTEC Solutions inc
- RF Over the air (OTA) compliance engineer of Cisco’s Hardware assurance group, responsible for validating and analyzing antenna performance of cellular routers, calibrating OTA chambers, preparing reports or related documents, to provide support for the certification process
- Experienced with regulatory and carrier processes, hands on experience on OTA and radio test measurements
- Experienced with antenna tests, antenna and wave propagation and radiation performance evaluation like TRP, TIS, TIS-Intermediate & CA
- Experienced in RF test equipment such as R & S CMX500, R & S CMW500, Anritsu MT8000A, MT8821C, Network analyzers, Spectrum analyzer, Channel Emulators etc
- Configure RF test equipment for specified conducted and OTA test plans of WCDMA, LTE, 5G NR and mm Wave, MIMO, Wi-Fi, and/or mm Wave 5G systems
- Creating test plan for the FCC, CTIA, PTCRB, GCF and Global certifications from the in-house tool and SharePoint
- Following latest updates from 3GPP spec for the test parameters
- Responsible with EMC/EMI and regulatory test cases and standards like FCC Part 15B, C & E, ETSI EN 303-413 & 440, 301-893, 301-908, 300-328
- Gathering the data in the excel spreadsheet and uploading in the in-house test tool and share point
- Experience in carrier certifications such as AT&T, Verizon, T-Mobile etc
- Experience in OTA chamber range calibrations and ripple test
- Experience in OTA test software such as EMQuest and Automation using the python or c scripts
- Contract, Via PTEC Solutions inc
RF/OTA Validation Engineer
META REALITY LABS
Fremont, United States
10.2021 - 07.2023
- Company Overview: Contract, Via Capgemini Americas inc
- Experienced in testing with Over the air (OTA) and conducted test environments of Meta consumer products for different OTA configurations like free space, wrist/hand phantom, and head phantom
- Experienced in OTA validation of LTE, Bluetooth, and Wi-Fi technologies up to and including Wi-Fi 6/6e
- Experienced in OTA requirements regarding Carrier/industry conformance like 3GPP, PTCRB, CTIA, and GCF standards
- Hands on Experience with antenna and wave propagation, resolved issues in anechoic chambers like MVG, ETS, and radiation performance evaluation like TRP & TIS
- Experienced in RF test equipment such as R & S CMW500, Anritsu MT8000A, MT8821C, Network analyzers, Spectrum analyzer, Channel Emulators etc
- Projects: Direct responsible individual for creating and executing OTA validation for antenna design modifications and responsible for analyzing and troubleshooting issues in various devices like portal, wearables (watches), VR (Quest 2, Quest Pro), and smart glasses (Ray ban stories, next gen
- Ray ban stories)
- Configuring the DUT or MLB in the shell which has android chipsets and configuring in the shell using android debug bridge (ADB) and scripting using C or python automation in the shell
- Managed time efficiently in order to complete all tasks related to products within deadlines
- Excellent communication skills, both verbal and written
- Contract, Via Capgemini Americas inc
Test engineer
CISCO SYSTEMS INC
San Jose, United States
04.2019 - 10.2021
- Company Overview: Contract, Via Wipro Limited
- Experienced with regulatory and carrier processes, hands on experience on OTA test measurements
- Understanding of carrier requirements from organizations like 3GPP, PTCRB, GCF, and CTIA
- Experienced with different lab equipment/chambers: Anechoic chambers, network analyzers, signal generators, signal analyzers, call boxes (i.e., Amarisoft (AMARI), CMW/8000)
- Experienced with antenna tests, antenna and wave propagation and radiation performance evaluation like TIS and TRP
- Responsible for evaluating and performing compliance testing of Cisco ethernet switches (9300 series) following standards FCC part 15B & C, CE, IEC 61000, CISPR 24,32, 35 and EN 55032 for domestic and international compliance and certification
- Developed comprehensive test plans, setup and configuring equipment under test (Traffic set-up) and test equipment, making proper measurements, troubleshooting problems, and recording observations systematically
- Collaborated with the design department in R&D projects to facilitate and analyze EMC/EMI performance to detect ESD/EMI risk in the design phase of the project
- Hands-on experience with cisco consumer electronics, safety and regulatory for technologies like Wi-Fi, BT, LTE, 5G NR
- Experienced with EMC/EMI and regulatory test cases and standards like FCC Part 15B & C, EN 300 413, 300 908, 300 328
- Contract, Via Wipro Limited
Education
Master of Science - Electrical and Electronics Engineering
University of South Florida
Tampa, FL12.2018
Bachelor of Engineering - Telecommunications Engineering
Siddaganga Institute of Technology
Karnataka, India05.2015
Skills
- RF measurements
- Noise figure measurement
- IP3
- Phase noise
- P1dB
- 1dB compression point
- RF systems level Tx parameters
- RF systems level Rx parameters
- EVM
- ACPR
- SEMs
- Spurious emissions
- Sensitivity
- Inter-modulation
- Characterization of RF components
- LNA
- PA
- Filters
- Mixers
- Antenna
- Oscillators
- Duplexer
- Diplexers
- SISO TRP
- TIS
- TIS Intermediate
- Carrier Aggregation (LTE)
- MIMO (LTE)
- RSE
- Wi-Fi 80211 communication protocols
- GSM
- LTE
- 5G
- 5G FR1 (sub 6GHz) NSA (EN-DC)
- 5G FR1 (sub 6GHz) SA configuration
- FR2 mm wave configuration
- Compliance testing
- ETSI standards
- FCC standards
- ISED standards
- Passive antenna measurements
- Active antenna measurements
- Calibrating anechoic chambers
- Vector network analyzer
- Spectrum analyzer
- Signal generators
- Power meter
- Vector signal analyzer
- Call box R&S CMW
- Anritsu
- RF link budget analysis
- Cellular conformance testing
- 3gpp standards
- EMC tests
- EMI tests
- Electrostatic Discharge (ESD)
- Radiated emissions
- Radiated Immunity
- Conducted Emissions
- Conducted Immunity
- Electric Fast Transient
- Surge susceptibility
- Voltage Dips
- Interrupts
- Harmonics
- Flicker immunity
- Scripting knowledge
- Python
- C
- Shell scripting
- Linux commands
- ADB
- Throughput measurement
- RVR measurement
- Iperf tool
- Data analysis
- Excel
- Statistics
Timeline
RF OTA Engineer
CISCO SYSTEMS INC
08.2023 - Current
RF/OTA Validation Engineer
META REALITY LABS
10.2021 - 07.2023
Test engineer
CISCO SYSTEMS INC
04.2019 - 10.2021
Master of Science - Electrical and Electronics Engineering
University of South Florida
Bachelor of Engineering - Telecommunications Engineering
Siddaganga Institute of Technology
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