Christophe Boulanger

Title: Christophe Boulanger: Innovator in Signal Processing

Introduction

Christophe Boulanger is a notable inventor based in Ivry-sur-Seine, France. He has made significant contributions to the field of signal processing, holding a total of 9 patents. His work focuses on methods for improving the reception of signals, particularly in challenging environments.

Latest Patents

Among his latest patents, Boulanger has developed a method for receiving CDMA signals with parallel interference suppression. This innovative approach involves parallel suppression of interference, which is initiated from signals selected by a maximum likelihood criterion based on metric calculations. Another significant patent is his method for receiving spectrum spreading signals with frequency shift correction. This method utilizes a corrective signal generated from an estimation of the modulation period related to the Doppler effect, which is detected in the preamble portion of a received signal. The corrective signal is essential for adjusting the information portion of the received signal, enhancing the overall quality of the transmission.

Career Highlights

Throughout his career, Boulanger has worked with prominent organizations such as Commissariat à l'Énergie Atomique and Xantima LLC. His experience in these companies has allowed him to refine his skills and contribute to groundbreaking advancements in signal processing technology.

Collaborations

Boulanger has collaborated with esteemed colleagues, including Laurent Ouvry and Bernard Piaget. These partnerships have fostered an environment of innovation and have led to the development of several impactful technologies.

Conclusion

Christophe Boulanger's contributions to signal processing through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence advancements in communication technologies.