Company Filing History:
Years Active: 2014-2018
Title: Weimin Sun: Innovator in Wireless Communications
Introduction
Weimin Sun is a notable inventor based in Boxborough, MA (US). He has made significant contributions to the field of wireless communications, holding a total of 3 patents. His work focuses on enhancing interference cancellation in communication channels, which is crucial for improving the performance of wireless systems.
Latest Patents
Weimin Sun's latest patents include innovative methods and systems that enhance interference cancellation in communication channels. These patents describe specialized time domain training sequences and simple cross correlation techniques used to obtain a channel estimate for stacked carrier beamforming and OFDM-based spatial beamforming. In certain embodiments, a time domain preamble sequence is provided as an alternative to the conventional frequency domain preamble sequence. The use of a time domain preamble can significantly increase channel estimation performance, facilitating the cancellation of co-channel interference. His inventions include generating a training sequence preamble in the time domain, computing a frequency domain response of the channel using an estimate of its time domain impulse response, and using this frequency domain response to calculate channel estimation from a cross correlation of data received from the channel against the training sequence.
Career Highlights
Weimin Sun is currently associated with The DirecTV Group, Inc., where he continues to innovate in the field of wireless communications. His expertise in developing advanced communication systems has positioned him as a key player in the industry.
Collaborations
Weimin has collaborated with notable colleagues, including Matthew C Bromberg and Dale A Branlund. These collaborations have further enriched his work and contributed to the advancement of wireless communication technologies.
Conclusion
Weimin Sun's contributions to wireless communications through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches to interference cancellation are paving the way for more efficient communication systems.