Denis Callonnec

Title: **Denis Callonnec: Innovator in Multicarrier Signal Processing**

Introduction

Denis Callonnec, an inventive mind based in Rennes, France, has made significant contributions to the field of telecommunications through his innovations. With a total of two patents to his name, Callonnec's work focuses on enhancing the efficiency of signal processing methods.

Latest Patents

Denis Callonnec holds two notable patents that showcase his expertise in multicarrier signal processing. The first patent, titled "Determination of the time delay and/or power of a multicarrier signal," introduces a method for determining the time shift and power of a received signal. The invention utilizes a reference sequence transmitted by multicarrier modulation across multiple carriers. By applying an inverse Fourier transform to observe the phase variations, Callonnec effectively derives the impulse response of the signal, which allows for accurate measurement of the time shift and power based on amplitude peaks.

The second patent, "Data element interleaving/deinterleaving," details a method to interleave and deinterleave data elements in alternating blocks. This process organizes data elements in accordance with specified ranks, enhancing the transmission efficiency of data across blocks. The sophisticated ordering ensures seamless communication, providing innovative solutions to data management in telecommunication systems.

Career Highlights

Denis Callonnec has had a dynamic career with notable experience at recognized companies. He has worked at France Telecom, where his contributions to telecommunications have been influential in enhancing existing technologies. His role at such prestigious institutions underscores his expertise and commitment to innovation in the field.

Collaborations

Throughout his career, Denis Callonnec has collaborated with talented professionals, including Pierre Combelles and Damien Castelain. These collaborations have contributed to the development of cutting-edge technologies and have fostered an environment of shared knowledge and innovation.

Conclusion

Denis Callonnec's contributions to the field of telecommunications and signal processing reflect his innovative spirit and dedication to improving technology. With two patents showcasing his inventive capabilities, Callonnec continues to influence the landscape of multicarrier signal processing, paving the way for advancements in the telecommunications industry. His work not only enhances communication technologies but also demonstrates the impact of individual inventors in shaping modern solutions.