Charaf Hanna

Title: Charaf Hanna: Innovator in Digital Data Transmission

Introduction

Charaf Hanna is a notable inventor based in Domene, France. He has made significant contributions to the field of digital data transmission, holding 2 patents that showcase his innovative approach to reducing transmission errors.

Latest Patents

One of his latest patents is titled "Method and circuit for interlacing numeric data to reduce transmission errors." This method involves dividing a stream of digital data into consecutive blocks of bits and interlacing each block by writing to an interlacing table. The interlacing table is structured in rows and columns of memory addresses, with the arrangement corresponding to predetermined interlacing parameters. The access sequences to the memory addresses for interlacing the blocks of bits are distinct from one another. Additionally, the method includes reading a block of bits in the interlacing table according to a specific memory address access sequence while simultaneously writing bits to a consecutive block of bits.

Another significant patent is the "Signal carrier recovery process." This process involves estimating the signal carrier frequency and the signal phase after frequency estimation. During the frequency estimation phase, signal equalizing is performed using an equalizer that comprises a direct adaptive filter and a recursive adaptive filter. The adaptation of the coefficients of the recursive adaptive filter is a key aspect of this process.

Career Highlights

Charaf Hanna has worked with prominent companies in the technology sector, including Thomson Licensing S.A. and STMicroelectronics. His experience in these organizations has allowed him to refine his skills and contribute to advancements in digital communication technologies.

Collaborations

Throughout his career, Charaf has collaborated with talented individuals such as Patrick Lopez and Sylvain Chevreau. These collaborations have further enriched his work and led to innovative solutions in the field.

Conclusion

Charaf Hanna's contributions to digital data transmission through his patents and career experiences highlight his role as an influential inventor. His innovative methods continue to impact the technology landscape, showcasing the importance of creativity in solving complex problems.