Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic

Mangesh Kumar Perala

Pune

Summary

An electronic engineer passionate about silicon and system validation with special interest in Radio Frequency , Wireless
technologies . With several years of experience in the semiconductor industry, I thrive on challenges that allow me to apply my technical skills, industry knowledge, and
comprehensive experience in post-silicon validation, and development and characterization of RF front-end systems.
Proven expertise in creating and executing validation plans to ensure optimal performance and functionality. I am excited
to contribute my in-depth understanding of RF and Wi-Fi /LTE/BT Systems, strong networking skills, and a solution-oriented approach to a challenging and rewarding position in silicon validation engineering.

Overview

9
9
years of professional experience

Work History

SENIOR LEAD RF SYSTEMS VALIDATION ENGINEER

NXP Semiconductors
08.2022 - Current
  • Bringing up test setups for validation of Rx and Tx performance of 1-2 antenna WLAN/BT chipsets
  • Post Silicon validation of RF & WIFI SoCs, and analyze the data to correlate with potential hardware or software issues for Baseband, RFIC, MAC etc.
  • Post silicon calibration and characterization of RF and Analog SOC chip
  • Perform through investigation of PHY/RF level performance with following, but not limited to, metrics: EVM, Mask, Sensitivity, Adjacent Channel Interference, Phase noise, Noise Figure etc
  • Depth understanding of RF transceiver architecture, RF components.
  • Understanding of wireless architectures, RF front-end, antenna sharing(1Ant/2Ant), link budget etc
  • Expertise in PHY-Coexistence Validation for WLAN/BLE, WLAN/15.4 multi radio
  • Worked in Multi Radio Arbitrator Validation, analysis of radio priorities
  • Working knowledge of WLAN (802.11 a/b/g/n/ac/ax) baseband, MIMO, MU-MIMO
  • Develop system automation programs with windows/Linux environment
  • Collaborate with Systems/FW team to understand new features and validation
  • Well versed in bug tracking and issue debugging
  • Working closely with interdisciplinary teams like RF design team, firmware team to troubleshoot baseband performance issues
  • Interact with hardware & software teams to make continual improvements to designs.


SENIOR LEAD ENGINEER

Qualcomm
01.2015 - 08.2022
  • Expertise in LTE Modem RF embedded development
  • Expertise in the RF transceiver control and RF Front end components for LTE /CATM/NBIOT
  • Implemented the various Feature Requests on Gilligan Project for MAV21/MAV22 including code implementation, Bring up and validation of the whole feature for IQ streaming
  • Implemented the Feature request on QET Audible Noise that helped in resolving customer critical issue
  • Expertise in debugging various customer issues on the CATM, NBIOT and LTE Tx side
  • Worked on various Projects as per below including low, mid tier and high premium end chipsets MSM:8953 MDM9205 IOT SDX55 SDX65 MAV22
  • Worked collaboratively with various higher layer teams, RFFE,DTR, RF Systems that led to resolving issues efficiently, feature completion etc
  • Independently led the IOT project that includes CATM-NBIOT RF 3GPP tests validation and coverage
  • Expertise in: RF Calibration algorithms, RF Test/ Factory Automation for multiple technologies
  • Contributed in Modem Bring up Testing, Feature testing, Conformance Testing, Regression support for 3GPP LTE Inter-RAT on Multiple Product Lines Involved in LTE- 2CC,3CC,4CC,5CC verification
  • Developed multiple automation test scripts in perl from scratch which eases the enablement of LTE Carrier Aggregation Combos
  • Expertise in Perl scripts to improve automation
  • Implemented API for ULBLER,EVM_SRS, RXAGC logging from DLL side
  • Expertise in implementing API development using Visual Studio 2010 C++
  • Expertise in analyzing complex Qualcomm modem logs (QXDM) to root-cause several issues
  • Testing experience w.r.t various aspects of mobile devices/UEs software
  • Strong experience in debugging UE failures observed during 3GPP LTE Inter-RAT features Testing
  • Experience using Instruments like CMW500, Spectrum Analyzer, Anritsu 8821c, Signal generator, Oscilloscope
  • Good understanding of LTE 3GPP standards, LTE protocol, LTE Carrier Aggregation.

Education

M.TECH - RF & Microwave

IIT KHARAGPUR
05.2014

B.TECH - Electrical, Electronics And Communications Engineering

NIT RAIPUR
05.2011

Skills

  • RF measurement instruments : Litepoint, Logic Analyzer, Spectrum analyzer, CMW500, Anritsu8821C
  • Verification Methodologies: QXDM, QRCT, APEX
  • Languages : C, C
  • Scripting Language : Perl, Python
  • Version Control: Perforce, Source Insight
  • Protocols: LTE, WLAN, Bluetooth, Zigbee
  • Engineering systems testing

Languages

English
Hindi
Telugu

Timeline

SENIOR LEAD RF SYSTEMS VALIDATION ENGINEER

NXP Semiconductors
08.2022 - Current

SENIOR LEAD ENGINEER

Qualcomm
01.2015 - 08.2022

M.TECH - RF & Microwave

IIT KHARAGPUR

B.TECH - Electrical, Electronics And Communications Engineering

NIT RAIPUR

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