Chanho Hwang

Title: Inventor Spotlight: Chanho Hwang

Introduction

Chanho Hwang, hailing from Daejeon, South Korea, is a notable inventor with a robust portfolio, holding three patents. His innovative contributions primarily focus on advancements in beam searching technology, particularly utilizing active phased array antennas. His work is significant in enhancing communication and radar systems.

Latest Patents

Hwang's latest patents include a beam searching method, a computer program, and a beam searching device that incorporates an active phased array antenna. The beam search method offers a sophisticated approach by employing a single tile-type phased array antenna featuring multiple radiating elements arranged in a matrix form. This innovative method calculates beam coefficient application vectors for each sub-array by using received signals. An initial beam coefficient is determined based on maximum values from absolute beam coefficient application vectors for the sub-arrays. The method also applies a monopulse algorithm to achieve an extended beamwidth surpassing the reference beamwidth detected by the phased array antenna.

Additionally, his patent on the phased array antenna outlines a clever design, featuring a transmission unit with a first layer of polygonal plates and a reception unit of a second layer, also with polygonal plates. The reception unit is strategically spaced from the transmission unit, with a circuit unit positioned within the internal space defined by both units.

Career Highlights

Chanho Hwang currently contributes his expertise to the Agency for Defense Development, where his work significantly impacts defense technology and related sectors. His inventive pursuits have geared towards improving aerial and terrestrial communication systems through effective beam searching methodologies.

Collaborations

Throughout his career, Hwang has collaborated with distinguished coworkers, including Kichul Kim and Taehwan Joo. These collaborations have enriched his research endeavors and enhanced the innovation process within his projects.

Conclusion

Chanho Hwang exemplifies the spirit of innovation in technology with his focused work on phased array antennas and beam searching methods. His patents reflect a commitment to advancing technological capabilities in defense and communication systems, solidifying his status as an esteemed inventor in his field.