This inventor holds 2 USPTO granted patents. Top assignees: California Institute of Technology, United States of America as Represented by the Administrator of NASA, University of California. Active years: 2008-2009.
Company Filing History:
1 out of 4,624 
1 out of 2,488 
1 out of 15,988 
Years Active: 2008-2009
Title: Innovations of Kenneth S. Andrews
Introduction
Kenneth S. Andrews is a notable inventor based in Pasadena, CA (US). He has made significant contributions to the field of coding theory, particularly in the development of low-density parity check codes. With a total of 2 patents, his work has advanced the understanding and application of encoding techniques.
Latest Patents
Andrews' latest patents include innovative methods and apparatuses for encoding message input symbols. One of his patents focuses on encoders for block-circulant LDPC codes. This invention discloses methods to encode symbols in accordance with an accumulate-repeat-accumulate code with repetition three or four, utilizing block circulant matrices. A first method leverages the block-circulant structure of the parity check matrix, while a second method employs block-circulant generator matrices. His other patent involves ARA type protograph codes, which describe an apparatus and method for encoding low-density parity check codes. This invention, in conjunction with a repeater, interleaver, and accumulator, forms accumulate-repeat-accumulate (ARA) codes. The protographs represent various types of ARA codes, including AR3A, AR4A, and ARJA codes, achieving high performance compared to current repeat-accumulate (RA) or irregular-repeat-accumulate (IRA) codes.
Career Highlights
Throughout his career, Kenneth S. Andrews has worked with prestigious institutions such as the California Institute of Technology and the University of California. His expertise in coding theory has positioned him as a valuable contributor to advancements in this field.
Collaborations
Andrews has collaborated with notable individuals, including Samuel J. Dolinar and Aliazam Abbasfar. These partnerships have further enriched his research and development efforts.
Conclusion
Kenneth S. Andrews is a distinguished inventor whose work in coding theory has led to significant advancements in encoding techniques. His contributions continue to influence the field and inspire future innovations.