Company Filing History:
Years Active: 2021-2023
Title: Innovations by Yu-Hsien Chang: A Pioneer in Wireless Communication
Introduction
Yu-Hsien Chang is a notable inventor based in Hsinchu, Taiwan, recognized for his significant contributions in the field of wireless communication technology. With a total of five patents to his name, Chang focuses on enhancing the performance and efficiency of wireless devices.
Latest Patents
One of Yu-Hsien Chang's latest inventions is an apparatus and methods for improved transmit power. This innovative technology aims to minimize unwanted CIM3 emissions in wireless communication devices, allowing for an increase in transmit power level without breaching regulatory emissions guidelines. The invention details methods for reducing unwanted emissions by adjusting local oscillator (LO) frequencies during transmission operations. Additionally, it features embodiments of fast-locking phase-locked loops (PLLs) with adjustable bandwidth designed to facilitate rapid locking to new LO frequencies during transitions from receiving mode to transmitting mode.
Another notable patent is a multi-user downlink orthogonal frequency-division multiple access (OFDMA) configuration method. This method assigns contiguous resource units within a channel to multiple stations. An access point (AP) is responsible for assigning a specific modulation and coding scheme (MCS) to each station, ensuring that data rates for the MCS assigned to the first stations are organized in a monotonic manner.
Career Highlights
Yu-Hsien Chang works at MediaTek Corporation, a renowned leader in semiconductor technology known for its innovations in wireless communications and broadband. His career at MediaTek embodies his commitment to research and development, primarily focusing on improving telecommunications technologies that cater to modern demands.
Collaborations
In his professional journey, Yu-Hsien Chang collaborates with talented coworkers, including Yu-Ming Lai and Ching-Chia Cheng. Together, they contribute to groundbreaking advancements in wireless technology, enhancing interoperability and user experience across various devices.
Conclusion
Yu-Hsien Chang's work significantly impacts the wireless communication industry. With several patents that provide innovative solutions for enhanced performance and compliance, he represents a strong example of how dedicated inventors can influence technology’s future. His contributions continue to pave the way for more efficient and powerful communication systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.