Ji-Ha Lee

Title: Ji-Ha Lee: Innovator in Mobile Communication Technology

Introduction

Ji-Ha Lee is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of mobile communication technology, particularly in the area of signal detection and velocity estimation. With a total of 4 patents to his name, Ji-Ha Lee continues to push the boundaries of innovation in this rapidly evolving industry.

Latest Patents

One of Ji-Ha Lee's latest patents is titled "Apparatus and method for detecting traffic channel signal transmission in a rake receiver." This invention ensures stable and accurate detection performance in mobile communication systems based on CDMA 2000 standards. It achieves this by making sufficiently spaced distributions in traffic channel signal-to-noise ratios, which are estimated during continuous and discontinuous transmission detection. The method compensates traffic channel signals according to fingers, combines the compensated signals, and estimates signal-to-noise ratios to detect transmission types effectively.

Another notable patent is the "Apparatus and method for estimating a velocity of a mobile station in a mobile communication system." This invention involves a base station apparatus that estimates the velocity of a mobile station by receiving signals on a radio channel and performing channel estimation. The velocity estimator detects power spectrum values and provides channel estimation coefficients based on the Doppler shift frequency value, ensuring accurate velocity estimation.

Career Highlights

Ji-Ha Lee is currently employed at Samsung Electronics Co., Ltd., where he applies his expertise in mobile communication technologies. His work has significantly impacted the development of advanced communication systems, enhancing the performance and reliability of mobile networks.

Collaborations

Throughout his career, Ji-Ha Lee has collaborated with talented individuals such as Sung-Kwon Jo and Seung-Joo Maeng. These collaborations have fostered innovation and contributed to the successful development of his patented technologies.

Conclusion

Ji-Ha Lee is a distinguished inventor whose work in mobile communication technology has led to several important patents. His contributions continue to shape the future of mobile communication systems, ensuring improved performance and reliability for users worldwide.