Company Filing History:
3 out of 12 
2 out of 4,495 
1 out of 5,890 
Years Active: 2011-2018
Title: Innovations and Contributions of Yiwen Liu
Introduction
Yiwen Liu is a prominent inventor based in Waterloo, Canada. She has made significant contributions to the field of telecommunications and signal processing, holding a total of six patents. Her work focuses on improving detection performance in complex communication systems.
Latest Patents
Among her latest patents is the "Detection of spatially multiplexed signals for over-determined MIMO systems." This invention discloses a method and apparatus for enhancing detection performance by improving the matrix condition for an M×N over-determined MIMO system. The technique involves reordering equations of the original MIMO system, resulting in a reordered channel matrix and received signal vector. This reordering ensures that the top N×N sub-matrix has the largest determinant, leading to more accurate estimates of transmit data bits. Another notable patent is the "Single-stream sliced maximum likelihood aided successive interference cancellation." This method estimates spatial signatures of signal and interference data streams, forming a composite channel matrix. It employs QR decomposition of the channel matrix with various spatial orderings to select the stream with the largest post-detection signal-to-interference-plus-noise ratio (SINR).
Career Highlights
Yiwen Liu has worked with notable companies such as ZTE Canada Inc. and Research In Motion Corporation. Her experience in these organizations has allowed her to apply her innovative ideas in practical settings, contributing to advancements in technology.
Collaborations
Throughout her career, Yiwen has collaborated with talented individuals, including Dayong Chen and Sean Bartholomew Simmons. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yiwen Liu's contributions to the field of telecommunications and her innovative patents demonstrate her expertise and commitment to advancing technology. Her work continues to influence the industry and inspire future innovations.
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.