Chungjin Lee Email and Phone Number

• Leading the OTA lab for the radiated performance evaluation for all Microsoft surface products - LTE, Wi-Fi, Bluetooth, GPS RF & Antenna Performance verification and validation Antenna efficiency & gain, TIS/TRP, and CW TRP Analysis and troubleshooting of radiated performance degradation.- Built up internal TRP/TIS performance requirements for Wi-Fi/BT.• Deep dive analysis to improve De-sense, RF/antenna performance.- TDM/SSD/USB/CPU/GPU/NPU Desense issue verification and analysis- Performing the tasks of determining the RF data format and parameters in building telemetry data for Surface devices. - Create a test plan for Wi-Fi/BT RF linearity performance evaluation.- Investigation of mobile carrier’s requirements and FCC report on Wi-Fi/BT RF performance.

Technical support for field and NW related issues as a technical advisor for all Samsung mobile handsets

* Managed Field Testing & Solution team as a general manager for all Samsung Models - Network IOT and performance testing focusing on protocol - SW and HW Quality test for all Samsung smart devices. - GPS, Bluetooth, Wi-Fi technical support & Field Test

• Managed CTIA OTA lab as a certified of Chief engineer of KORAS (ISO 17025)• Performed a government-funded project for the development of Smart LTE antenna solution in Korea.• Led the Emulators & Simulators development project for Smart Phones for Samsung Call center using Flash ActionScript.

HW RF Engineer.* CDMA/GSM/UMTS/LTE handset development for US market* RF HW project leader and technical leader* Lead Quality management process for R&D - Built up the Mobile evaluation procedure stage by stage  R&D : Sanity test, Field test ( Stability & Performance )  Pre-launch : SMART User Trial ( Usability )  Post : Technical support for market issues