Catherine Leretaille is a prominent inventor based in Paris, France. She has made significant contributions to the field of data transmission, holding a total of five patents. Her work focuses on improving communication technologies, which are essential in today's digital world.

Latest Patents

One of her latest patents is titled "Method and devices for transmitting data with acknowledgement mechanism." This invention involves a first unit that successively transmits data blocks to a second unit. For some of these transmissions, the second unit returns an acknowledgement signal indicating whether the data block has been correctly received. If the acknowledgement signal indicates incorrect reception, the first unit transmits a redundancy block related to the previously transmitted block. Each transmitted block is accompanied by an identification signal that indicates whether it is a redundancy block. The first unit associates each acknowledgement signal with a block transmitted in a temporal relation determined by the reception of the acknowledgement signal. In cases where there is an inconsistency between an identification signal and a previously returned acknowledgement signal, the second unit sends a restart command signal to the first unit for the transmission of the blocks.

Another notable patent is focused on "Processing methods and devices for sending information symbols over multiplexed channels." This invention utilizes a scheme for multiplexing transport channels on one or several communication channels, allowing operation in both normal and compressed modes. The compressed mode requires a lower symbol rate during active periods in the communication channels. To match the symbol rate on each transport channel, a symbol puncturing process is performed in two passes. Marked symbols are introduced and subjected to various operations, including interleaving, before being deleted from the transmitted sequence. This approach limits the complexity of the communicating entities while maintaining efficiency.

Career Highlights

Catherine Leretaille has built a successful career at Nortel Networks Corporation, where she has been able to apply her innovative ideas in practical settings. Her work has contributed to advancements in communication technologies, making her a valuable asset to her company and the industry as a whole.

Collaborations

Throughout her career, Catherine has collaborated with notable colleagues, including Wen Tong and Stephane Gosne. These partnerships have allowed her to enhance her inventions and contribute to groundbreaking projects in the field of data transmission.

Conclusion

Catherine Leretaille's contributions to the field of data transmission through her innovative patents demonstrate her expertise and commitment

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