Dec 2022 – Present · 3 yrs 3 mos

• Promoted to Lead Engineer, Senior

Dec 2020 – Nov 2022 · 1 yr 11 mos

• ●Designed schematic and implemented layout for the latest RF Card hosting the future transceiver IC and RF front end for an integrated phone platform for global 4G/5G networks.
• ●Lead enablement and debug of 5000+ Carrier Aggregation Band Combos across LTE, NR, ENDC and NRDC using in-depth knowledge of transceiver, module and hardware capabilities to successfully identify valid concurrencies and allocate optimum RF paths.
• ●Contributed to the development of RF Control document on multiple projects enabling cellular capabilities like SA, CA, DSDA, CV2x etc.
• ●Optimized RF front end hardware to improve system level performance of cellular phones. Included impedance/load pull match for triplexers, di/duplexers, filters and PAs for LB/MB/HB/MIMO/PRx/DRx paths.
• ●Optimized phone calibration/characterization and software parameters to improve cellular RF performance.
• ●Designed schematic, supervised layout and validated Debug board (Voltage Regulator, Battery Charger etc) and Interposer card for mobile test platform.
• ●Executed and analyzed 3GPP conformance tests which include system level dynamic voltage testing across temp, frequency, channel bandwidth, and RB allocation. Tests included MaxTxPwr, ACLR, EVM, IBE, SEM, ACS, Single/Dual Chain Sens, Tx intermod, Rx interferers etc.
• ●Collaborated with Product management, SW, IC, CE, test, tools and Q/A teams to achieve project goals and objectives

Apr 2018 – Nov 2020 · 2 yrs 7 mos

• Design of 4G/5G Based RF Card for Next Gen SNAPDRAGONs.
• Design of the latest RF Card hosting the future transceiver IC for an integrated phone platform for global 4G and 5G networks
• Optimization of RF front end hardware to improve system level performance of of cellular phones. Includes impedance / load pull match for triplexers, di/duplexers, filters and PAs etc.
• Optimization of phone calibration/ characterization and software parameters to improve RF performance
• Execution and analysis of conformance tests to meet 3GPP industry standards which includes system level dynamic voltage testing across temp of MaxTxPwr, ACPR, ACS, Single/Dual Chain Sens, Tx intermod, Rx interferers etc.
• Debug of several issues including poor ACLR performance on LTE bands, Max Pwr Droop on LB and HBs, EVM and IBE Failures as well as Receiver Desense
• Worked on cellular technologies including NR, LTE,LTE-CA,ENDC,TDSCDMA, GSM, WCDMA, HSUPA and HSDPA.

Nov 2016 – Apr 2018 · 1 yr 5 mos

• Worked on designed and bring up of the latest RF Card hosting the future transceiver IC for an integrated phone platform for global 4G networks
• Designed, implemented and evaluated matching networks with 0201and 0105 components for best load pull performance on the Tx paths for multiple cellular bands
• Conducted phone calibration and call testing on different technologies such as LTE, WCDMA, CDMA, C2K to assess conformance of Max TxPwr, Rx sensitivity, ACLR to 3GPP standards
• Measured onboard RFFE path losses and mismatch using S-parameters for multiple frequency bands
• Performed transceiver link budget analysis and co-related it with measured data.