This inventor holds 42 USPTO granted patents and 13 published patent applications and 23 EPO patents, primarily in Wireless Communication. Top assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd.. Active years: 2012-2026.
Company Filing History:
42 out of 11,745 
2 out of 132,108 
Years Active: 2012-2026
Areas of Expertise:
Title: **Innovative Contributions of Kap Seok Chang in Wireless Communication Technology**
Introduction
Kap Seok Chang, based in Daejeon, South Korea, is a prolific inventor with a remarkable portfolio of 38 patents. His extensive work primarily focuses on advancements in wireless communication technologies, making significant strides in various applications and methodologies.
Latest Patents
Among Chang's latest patents are two notable innovations that address current challenges in wireless communication. The first patent, titled **"Method and Apparatus of Positioning for Accommodating Wireless-Environment Change,"** introduces a beam fingerprint-based positioning method. This involves a communication node located in a target space performing measurements on positioning signals transmitted from at least one reference node via various directional beams in a beam sweeping scheme. The method efficiently transmits the results of these measurements to a central node and receives updated positioning information in return.
The second patent, labeled **"Method and Apparatus for Channel Estimation in Communication System,"** outlines an operational method for a transmitter within a communication setup. This method entails configuring a first reference signal region for the transmission of a first reference signal in the delay-Doppler domain, arranging the signal in a specific region, transforming the delay-Doppler domain signal into a time domain signal, and subsequently transmitting this signal to a receiver.
Career Highlights
Kap Seok Chang has made significant contributions to the field through his work at prestigious organizations. He has been a key player at the **Electronics and Telecommunications Research Institute** as well as **Samsung Electronics Co., Ltd.**, where he has furthered the development of innovative technologies in communication systems.
Collaborations
Throughout his career, Chang has collaborated with esteemed professionals, including Young Jo Ko and Il Gyu Kim. Together, they have propelled advancements in wireless communication through their combined expertise and innovative thinking.
Conclusion
In conclusion, Kap Seok Chang stands out as a leading inventor in wireless communication technology. His extensive patent portfolio, including his innovative methods for positioning and channel estimation, reflects his commitment to enhancing the field. As technology continues to evolve, Chang's contributions will undoubtedly play an essential role in shaping the future of wireless communications.