This inventor holds 3 USPTO granted patents. Top assignees: Alcatel, Arc International, Other. Active years: 2004-2007.
Company Filing History:
Years Active: 2004-2007
Title: The Innovations of Alexander Worm
Introduction
Alexander Worm is a notable inventor based in Brussels, Belgium. He has made significant contributions to the field of digital signal processing, particularly in the area of turbo decoding. With a total of 3 patents to his name, Worm's work has advanced the efficiency of data processing technologies.
Latest Patents
One of Worm's latest patents is titled "Method and apparatus for implementing a data processor adapted for turbo decoding." This invention presents an improved method and apparatus for performing single-cycle operations, such as Maximum a Posteriori (MAP) decoding, in digital processors. The configuration includes a specialized instruction and extension Arithmetic Logic Unit (ALU) that efficiently performs forward and reverse transition trellis metric updates, as well as Log Likelihood ratio calculations. This innovation accelerates the decoding of Turbo-encoded data sequences, allowing the processor to execute software with efficiency comparable to dedicated hardware implementations. Additionally, the programmable apparatus can be easily reprogrammed to adapt to evolving standards.
Another significant patent is the "Method and apparatus for decoding a bit sequence." This invention discloses a method and apparatus for decoding a bit sequence encoded by a convolutional encoder and received through a noisy channel, utilizing a Log-MAP algorithm. The digital signal processor (DSP) is equipped with an extended core that includes a transition metric calculation unit for calculating transition metric values of the encoder trellis. This unit outputs to a memory store of the DSP and performs a Log-MAP add-compare-select operation. The Log-Likelihood Ratio calculating unit is controlled by the program control unit of the DSP, ensuring efficient communication with the data memories.
Career Highlights
Throughout his career, Alexander Worm has worked with prominent companies, including Alcatel. His experience in the industry has allowed him to develop innovative solutions that address complex challenges in digital signal processing.
Collaborations
Worm has collaborated with notable individuals in his field, including Robert Coombs and Jonathan Talbot. These partnerships have contributed to the advancement of his inventions and the successful implementation of his patented technologies.
Conclusion
Alexander Worm's contributions to the field of digital signal processing through his innovative patents have significantly impacted the efficiency of turbo decoding technologies. His work continues to influence advancements in data processing, showcasing the importance of innovation in this rapidly evolving field.