Christopher I W Norrie

Title: **Christopher I W Norrie: Innovator in Low-Density Parity Check Coding**

Introduction

Christopher I W Norrie, based in San Jose, CA, is an accomplished inventor with a remarkable portfolio of 38 patents. His innovative work primarily focuses on advancements in low-density parity check (LDPC) coding, significantly contributing to the field of data transmission and error correction.

Latest Patents

Among his latest patents, Norrie has developed methods and apparatuses for layer-specific LDPC decoding. These inventions involve decoding LDPC encoded data through a parity check matrix that consists of multiple layers. The first patent describes a sophisticated decoder with circuitry designed to process LDPC codewords on a layer-by-layer basis, employing functional adjustments and an algorithmic approach to belief propagation. This allows for a more accurate estimate of the LDPC codeword by integrating layer-specific parameters from at least two layers of the parity check matrix.

The second patent further details a method for decoding LDPC encoded data, which includes the application of layered scheduling and functional adjustments, enabling a precise approximation of belief propagation during the decoding process. These contributions mark significant advancements in the efficiency and accuracy of data decoding techniques.

Career Highlights

Norrie's impressive career includes tenure at notable companies such as Integrated Device Technology, Inc. and PMC-Sierra, Inc. His work in these organizations has allowed him to refine his expertise in digital communications and coding techniques. Through his career, he has continually pushed the boundaries of innovation, resulting in numerous patent filings that have influenced the industry.

Collaborations

Throughout his professional journey, Christopher has collaborated with esteemed colleagues, including Rino Micheloni and Alessia Marelli. These partnerships have fostered a creative environment conducive to innovation, enabling the development of pioneering technologies in the field of error correction and data processing.

Conclusion

Christopher I W Norrie's contributions to the realm of LDPC coding highlight his role as a key inventor in the tech industry. With a notable patent portfolio and a successful career trajectory, he exemplifies the impact that dedicated innovators can have on technology advancements. His work continues to inspire future developments in the field, shaping the future of data communication.