Company Filing History:
2 out of 1,135 
2 out of 49,601 
Years Active: 2016-2017
Title: Chang Ick Song: Innovator in Wireless Communication Technologies
Introduction
Chang Ick Song is a notable inventor based in Anyang-si, South Korea. He has made significant contributions to the field of wireless communication, particularly in the development of methods and devices for processing uplink signals in WLAN systems. With a total of two patents to his name, his work has had a considerable impact on enhancing wireless communication technologies.
Latest Patents
Chang Ick Song's latest patents include a "Method and device for processing uplink signal in WLAN system." This invention provides a method for an access point (AP) to receive a request to send (RTS) frame from one station (STA) among multiple STAs. The AP transmits a group identifier (ID) for STAs performing uplink multi-user multiple-input multiple-output (MU-MIMO) transmission and processes the received uplink signals accordingly. Another significant patent is the "Method and apparatus for transmitting a frame in a wireless LAN system." This invention involves the AP receiving a single orthogonal frequency division multiplexing (OFDM) symbol from each STA and selecting STAs for performing uplink MU-MIMO transmission.
Career Highlights
Throughout his career, Chang Ick Song has worked with prominent organizations, including the Korea University Research and Business Foundation and LG Electronics Inc. His experience in these institutions has allowed him to refine his expertise in wireless communication technologies and contribute to innovative solutions in the field.
Collaborations
Chang Ick Song has collaborated with notable colleagues, including Ill Soo Sohn and Han Bae Kong. These collaborations have further enriched his work and have led to advancements in wireless communication technologies.
Conclusion
Chang Ick Song is a distinguished inventor whose contributions to wireless communication have paved the way for advancements in the industry. His innovative patents and collaborations reflect his commitment to enhancing technology in this vital field.
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