Company Filing History:
6 out of 4,773 
1 out of 9,152 
Years Active: 2009-2022
Title: I-Ping Chang: Innovator in Distance Estimation and Signal Processing
Introduction
I-Ping Chang is a notable inventor based in Tainan, Taiwan. He has made significant contributions to the fields of distance estimation and signal processing, holding a total of 7 patents. His innovative work has implications for various applications in wireless communication and measurement technologies.
Latest Patents
I-Ping Chang's latest patents include a distance estimation device and method, as well as a signal-power calibration method. The distance estimation device features a calibration circuit that receives channel state information (CSI) to calculate a signal-power calibration value. This value is then used by the distance estimation circuit to determine a distance-estimation value based on received signal strength indication (RSSI) and the path-loss exponent. Additionally, his signal processing method and communication apparatus involve a processor that measures signal quality and filters results based on a filtering coefficient assigned by a system controller. This innovative approach enhances the efficiency of wireless communication networks.
Career Highlights
Throughout his career, I-Ping Chang has worked with prominent companies such as MediaTek Corporation and the Industrial Technology Research Institute. His experience in these organizations has allowed him to develop and refine his expertise in technology and innovation.
Collaborations
I-Ping Chang has collaborated with notable colleagues, including Ho-Chi Huang and Chun-Ming Kuo. These partnerships have contributed to the advancement of his research and the successful development of his inventions.
Conclusion
I-Ping Chang's contributions to distance estimation and signal processing demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology in the field of wireless communication.