Il Doo Chang

Title: Innovations of Il Doo Chang

Introduction

Il Doo Chang is a notable inventor based in Anyang-si, South Korea. He has made significant contributions to the field of mobile communication, holding a total of four patents. His work focuses on enhancing communication systems and improving the efficiency of data transmission.

Latest Patents

One of his latest patents is a "Method for controlling timing of backhaul link and relay system for the same." This invention provides a method for controlling the timing of a downlink backhaul sub-frame and a relay system. It involves transmitting a control signal to user equipment during a control symbol period of a sub-frame. The data starting point of the sub-frame is set after a specific time for switching from transmission mode to reception mode. This innovation ensures that backhaul data is received efficiently during the designated symbol periods.

Another significant patent is the "Method for uplink communication in a mobile communication environment." This method recognizes the states and locations of user equipment in a network using a random access channel at a base station. It allows for the transmission of uplink signals to smaller second base stations, enhancing the overall communication process without altering the conventional network environment.

Career Highlights

Il Doo Chang is currently employed at LG-Ericsson Co., Ltd., where he continues to develop innovative solutions in mobile communication technology. His expertise and inventions have contributed to advancements in the industry, making him a valuable asset to his company.

Collaborations

He has collaborated with notable coworkers, including Hong Sup Shin and Young Jun Kim, who have also contributed to various projects within the company.

Conclusion

Il Doo Chang's work in mobile communication has led to significant innovations that enhance data transmission and communication efficiency. His patents reflect his commitment to advancing technology in this vital field.