Xi Chen

Title: Innovations by Inventor Xi Chen

Introduction

Xi Chen is a notable inventor based in San Jose, California. He has made significant contributions to the field of technology, particularly in audio and wireless communication systems. With a total of 13 patents to his name, his work continues to influence advancements in wearable devices and monitoring technologies.

Latest Patents

Among his latest innovations, Xi Chen has developed microphone configurations for eyewear devices. This invention describes systems and methods to extract desired audio from a head-worn apparatus. The design includes an array of at least three microphones arranged along multiple non-parallel axes. The selection logic identifies a selected axis and two microphones that form this axis, while a beamformer processes the signals to output a main microphone channel and a reference microphone channel.

Another significant patent focuses on respiration monitoring based on noisy channel state information (CSI) data. This technology involves receiving CSI data that represents the properties of a wireless channel between two devices. The method generates a set of CSI samples, removes outliers, and determines Fast Fourier Transform (FFT) data for channel subcarrier indexes. Ultimately, it identifies the highest signal-to-noise ratio (SNR) values to derive a breathing spectrum and calculates the respiratory rate of users in the area.

Career Highlights

Xi Chen has worked with prominent companies such as Amazon Technologies, Inc. and Baidu USA LLC. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies.

Collaborations

Xi has collaborated with talented individuals in his field, including Hao Tian and Daming Lu. Their combined expertise has fostered innovative solutions and advancements in technology.

Conclusion

Xi Chen's contributions to technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to pave the way for future innovations in wearable devices and wireless communication systems.