Verfahren und Vorrichtung zum Verschlüsseln einer Hochgeschwindigkeits-Datenübertragung

Details

Veröffentlichungs-Nr.

EP3076580

Aktenzeichen

EP16159759

Anmeldetag

11. März 2016

Veröffentlichung

19. Februar 2020

Erteilung

19. Februar 2020

Rechtsraum

EP

IPC

H04L9/06G09C1/00G06F21/85H04L25/03H04B15/00

Abstract

A method of transmitting high speed serial data with reduced levels of radiated emissions is disclosed. A transmitting device (14) scrambles data utilizing a pseudo-random number sequence generator. Scrambling the data eliminates transmission of repeated data sequences. The transmitting device (14) similarly scrambles idle pairs (100) of data between data transmissions (110) to eliminate an additional source of repeated data sequences. The scrambled and encoded data is transmitted to a receiving device (18). The receiving device (18) also includes a pseudo-random number sequence generator. Synchronization of the two pseudo-random number sequence generators occurs by utilizing control characters of the data frame being transmitted. Each of the pseudo-random number sequence generators is configured to generate the same sequence of numbers and is initialized to start with a first number in the sequence of numbers corresponding to the first byte of data being transmitted or received.

Anmelder

Firma

Rockwell Automation Technologies, Inc.

Land

🇺🇸 USA

Fachgebiete