-Developed a smart textile-embroidered patch antenna array into a cotton fabric for harvesting RF energy at WiFi and WBAN frequencies, aiming to power wearable IoT devices without external batteries.-Designed a dual-band patch antenna array embedded in digitally embroidered smart textiles, optimized for 2.4–2.45 GHz and 5.8 GHz frequency bands.-Implemented a multi-beam antenna system with custom-designed rectifier PCBs to efficiently convert RF energy into DC power, suitable for continuous operation of wearable sensors.

- Contributed to SoC RFIC design for the Data Converter used in the Communication Processor (CP) of Galaxy S25 and A series mobile phones, highlighting proficiency in developing critical components for high-performance mobile devices.- Designed and implemented a Data Converter using a Sampling and Hold Amplifier (SHA) integrated with a DAC for a SAR ADC, leveraging SAMSUNG’s 28nm process technology at 1.1V and 1GHz within the RFIC. Successfully simulated the data converter, achieving a high SNR of 77dB, demonstrating advanced analog IC design skills and low-voltage operation.

- Skillfully fulfilled duties as an Artillery Signaller in the ROK Army, demonstrating proficiency in communication and operational responsibilities.- Spearheaded the construction of a command post tent, effectively establishing seamless communication across a range of devices for optimized operational efficiency.- Orchestrated the setup and configuration of the Army Tactical Command Information System (ATCIS), enhancing command mission capabilities in artillery operations; adeptly installed AS-992K and RLI antennas to bolster communication infrastructure.- Exemplified leadership qualities by assuming the role of squad leader and effectively coordinating and guiding team members to accomplish mission objectives.

- Conducted rigorous testing of optical properties for both 10Gbps and 1Gbps data rates, utilizing advanced C++ programming to ensure accurate analysis.- Developed a comprehensive measurement project within MATLAB to facilitate the reception and processing of optical data, showcasing proficiency in programming.- Demonstrated practical skills by assembling TO-CAN and Optical Spectrum Analyzer (OSA), as well as soldering PCB transceivers, contributing to the successful creation of optical components.- Performed thorough signal processing analyses, utilizing DCA Wide-Bandwidth Oscilloscope to compare and validate signal integrity between main source test boards and measurement sample boards, ensuring Bit Error Rate Tester (BERT) compliance.