Yung-An Kao

Title: Yung-An Kao: Innovator in Wireless Communication Systems

Introduction

Yung-An Kao is a prominent inventor based in Hsinchu, Taiwan, known for his significant contributions to innovative technologies in wireless communication systems. With a total of two patents to his name, Kao has made strides in developing methods that enhance the efficiency and effectiveness of communication signals.

Latest Patents

One of Kao's latest patents is titled "Method of Equalization in an OFDM System." This invention details an equalization method designed for receivers in orthogonal frequency division multiplexing (OFDM) systems, which utilize multiple sub-carriers. The method encompasses the reception of input signals that contain a preamble symbol along with a series of informative OFDM symbols. The innovation effectively transforms serial streams of samples into parallel formats, and employs a fast Fourier transform (FFT) to yield data symbols corresponding to each sub-carrier. Additionally, the method addresses phase distortions and provides amplitude distortion factors to optimize performance.

Another significant patent by Kao is "Pitch Mark Determination Using a Fundamental Frequency Based Adaptable Filter." This invention presents a method for determining pitch marks in speech processing. By utilizing an adaptable filter to acquire fundamental frequency signals, the method identifies zero-crossing positions and generates candidate pitch marks. The innovation focuses on estimating the optimal set of pitch marks for improved accuracy in pitch detection.

Career Highlights

Yung-An Kao is affiliated with the Industrial Technology Research Institute, where he works on various projects aimed at pushing the boundaries of technology in communication systems. His work revolves around the integration of advanced signal processing techniques to optimize transmission and reception in wireless communication networks.

Collaborations

Throughout his career, Kao has collaborated with talented individuals, including Jau-Hung Chen and Chang-Lung Hsiao. These partnerships have fostered a dynamic environment for innovation, allowing for the exchange of ideas and expertise that have greatly benefited their research outcomes.

Conclusion

Yung-An Kao stands out as an influential inventor in the realm of communication technology, particularly through his contributions to OFDM systems and pitch determination methods. His innovative approaches not only enhance the functionality of wireless communications but also pave the way for future advancements in the field.