Björn Stig Erik Johansson

Title: Björn Stig Erik Johansson: Innovator in Communication Technology

Introduction

Björn Stig Erik Johansson is a notable inventor based in Kungsängen, Sweden. He has made significant contributions to the field of communication technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

Johansson's latest patents include a decoding method and apparatus that enhances communication systems. This invention utilizes channel optimized vector quantization and includes an encoder that stores active encoder centroids corresponding to active indices. The method dynamically estimates a decoded vector using a sub-optimal algorithm, focusing on the most significant contributions while considering source probabilities and bit error rates. Another significant patent is aimed at reducing sparseness in coded speech signals. This invention generates sparse codebook values and performs an anti-sparseness operation to produce output codebook values with a higher density of non-zero values. These values are then processed by a speech processor to generate either an encoded or decoded speech signal.

Career Highlights

Johansson is associated with Telefonaktiebolaget LM Ericsson, a leading telecommunications company. His work at Ericsson has allowed him to contribute to advancements in communication technologies, particularly in the areas of speech processing and data transmission.

Collaborations

Throughout his career, Johansson has collaborated with notable colleagues, including Roar Hagen and Erik Ekudden. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Björn Stig Erik Johansson is a distinguished inventor whose work in communication technology has led to significant advancements. His patents reflect a commitment to improving the efficiency and effectiveness of communication systems.