Nabil Jardak

Title: Nabil Jardak: Innovator in GNSS Technology

Introduction

Nabil Jardak is a prominent inventor based in Muret, France, known for his contributions to Global Navigation Satellite System (GNSS) technology. With a total of four patents to his name, Jardak has made significant advancements in the field of satellite positioning and signal processing.

Latest Patents

Jardak's latest patents include a GNSS receiver with an improved capability to resolve sub-carrier tracking ambiguities. This invention features a GNSS receiver and an associated method for calculating unbiased position and time measurements from multiple satellite positioning signals. The receiver is equipped with a second computer logic that calculates a second unbiased position and time based on the first position and time, along with second signal processing signals. Another notable patent is a device for tracking a satellite radionavigation signal in a multipath environment. This GNSS receiver includes a circuit designed to receive a positioning signal that comprises a carrier modulated by a subcarrier and a PRN code. It features a subcarrier and code tracking loop, which includes a first discrimination circuit for calculating a first pseudo range from the received positioning signal and a first reference signal. Additionally, a code tracking loop with a second discrimination circuit calculates a second pseudo range, and a calculation circuit evaluates the difference between the two pseudo ranges, modifying the output of the first discrimination circuit accordingly.

Career Highlights

Throughout his career, Nabil Jardak has worked with esteemed organizations such as the Centre National d'Études Spatiales and M3 Systems. His work has focused on enhancing the accuracy and reliability of GNSS technology, contributing to advancements in satellite navigation systems.

Collaborations

Jardak has collaborated with notable professionals in the field, including Willy Vigneau and Lionel Ries. These collaborations have further enriched his work and contributed to the development of innovative solutions in GNSS technology.

Conclusion

Nabil Jardak's contributions to GNSS technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in satellite navigation systems, showcasing the importance of innovation in this critical area.