Kihong Kim +1-206-***-****
*********@*****.*** 609 W NICKERSON ST 315, Seattle, WA 98119
https://www.linkedin.com/in/kihong-kim-167ba7148/
SUMMARY
●Lead & manage a team of test engineers (RF & SW) to define and implement electronic test solutions about mobile devices & IoT devices
●Investigate results, logs and triage bugs to determine root cause and establish prioritization of any issues discovered during manual or automation testing about mobile devices using QxDM/Accuver/Python/ATOLL
●Drive test planning, design edge cases and QA performance testing of mobile devices/ lead to test and optimization of various new feature devices.
●Expert in mobile devices HW/SW and debugging and optimization of End to End for commercialization
●Design and conduct acoustic benchmark tests and test cases to evaluate the subjective and objective performance of mobile devices audio systems.
●Excellent knowledge of 3GPP/3GPP2/OMA Specification (5G NR, IMS, LTE, 3G, MDM, eUICC, TCP/IP)
●Drive connectivity’s issue resolving about connected car for commercial service with vehicle OEM
●Analysis & resolving issue RF/ Antenna performance and supplementation of antenna radiation patterns
EXPERIENCE
Lead RF Engineer, SAMSUNG Electronics America
Seattle/WA 10/2022-10/2023
• Creating test case, test plan and test results with ATT/TMO for 5G NR RAN new network feature
• Validation device performance & protocol AT&T/TMO FFI test cases for 5G NR in Lab & Field and determine root cause between device and wireless network.
•,Resolving issue and define/control KPI for new network feature with AT&T / TMO
• Analysis & resolving issue of interference impact by band of device RF circuit under NRSA 4CA conditions
. system-level grounding, shielding, isolation using by spectrum analyzer, network analyzer, signal generator, oscilloscope, packet sniffer.
• performance and analysis and supplementation FR1/FR2 of embedded antenna
• Creating test case, test plan and Validation for Galaxy gear & Galaxy watch performance
Senior Lead Engineer, Keysight (via HCL Tech)
Seattle/WA 10/2021-07/2022
• Development & Validation TMO & AT&T protocol Test case of Keysight SAS and 5G UXM
• Design, analyze, and contribute to improving and enhancing test plans and PTCRB test case of Keysight Project(UXM)
Senior RF Engineer, Tech Mahindra
Seattle/WA 06/2020-10/2021
• Create IOT test planning and E2E performance testing about AT&T 10776 specification, PTCRB & Field
• Analysis connectivity results, fail logs, tracking issue and validation on Jira
• Using lab equipment for RF and antenna characterization as well as RF performance validation
Principal Engineer/Sr Technical Program Manager, Korea Telecom
Seoul/Korea 02/1999 – 05/2020
• Investigate results, logs and carrier certification of 5G NR devices 1’st commercial service in Korea
. Analysis Issue & Validation H/W, S/W for System, lead to resolving for 5G devices commercialization
Analysis and debugging for antenna radiation performance FR1/FR2 with OEMs & parts supplier
• Control process, resolving issue for commercialization of new devices & cellular feature
lead to resolve Issue of HW & SW about each Apple devices for 1’st commercial service of Apple Device in Korea with Apple Headquarter (Cupertino)
• Technical work experience in both test engineering, device certification and quality controlled multiple types of mobile phone and manufactures (Apple, Samsung, LG, Huawei)
• Wearable device, NB-IoT & LTE-Cat1 Device applied to 1’st commercial service security/metering/tracking
• Equipment environment setup for carrier’s GCF/PTCRB testing and creating carrier standards
• Using lab equipment for RF and antenna characterization as well as RF performance validation, such as OTA, TRP/TIS and creating carrier standards considering antenna beam pattern and analyzing correlation with field performance and analysis and supplementation of antenna radiation patterns with OEMs
• Creating EMC/SAR test plans, validation & analyze EMC/SAR compliance test data, EMC/SAR compliance test specifications/procedures for Carrier certification
RF Development Engineer, SK Telesys
Seoul 08/1997 – 02/1999
• RF circuit design using Orcad of DAS/Repeater, including schematics, PCB layout, and component selection and designing full system prototypes independently lead & guide for Suppliers
• Optimization Tx/Rx radio performance and RF parametric validation and matching such as IP3, NF, ACLR,
phase noise, link budget, and mixed domain circuit design, filter design, operational/instrumentation amplifier
• Analyze RF module using by oscilloscopes, spectrum analyzers
• Electrical design reviews to ensure EMC/EMI and RF mitigations are properly implemented in the designs
EDUCATION
Sun Moon University, Korea
BS Degree in Electronic Engineering 1993-1998
Patent
US7536451B2(US, JP, CN, KR /Global patent)
-METHOD FOR INCREASING STANDBY TIME USING ACCESSHISTORY TO 1X EV-DO NETWORK WITH ACCESS TERMINAL ANDDEVICE THEREOF
KR(Domestic patent)
-Apparatus for Supplying Universal Subscriber Identity Module Card
-Method for upgrading software of mobile terminal and mobile terminal device using the same
-IMPROVED METHOD FOR OUTPUTING THE TRANSMISSION POWERAND METHOD FOR PROTECTING FRAUDULENT USE OF THE SAME
Work Authorization
Green Card Holder: Permanent residency in the US. (As National Interest Waiver program)
Korean citizenship