Method and system for transmitting data packets via a random access (RA) transmission channel

US11304241B2 · kind B2 · utility

Assignees

• THALES · FR
• CENTRE NATIONAL D'ETUDES SPATIALES PARIS, FRANCE · FR
• INSTITUT SUPERIEUR DE L'AERONAUTIQUE ET DE L'ESPACE TOULOUSE, FRANCE · FR
• INSTITUT NATIONAL POLYTECHNIQUE DE TOULOUSE · FR
• CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE · FR

Inventors

• Selma Zamoum · Toulouse, FR
• Mathieu Gineste · Toulouse, FR
• Jerome Lacan · Saint-Maximin-la-Sainte-Baume, FR
• Marie-Laure Boucheret · Ramonville-Saint-Agne, FR
• Jean-Baptiste Dupe · Toulouse, FR

Key dates

• Filing date: May 2, 2019
• Grant date: Apr 12, 2022
• Expiry date: May 2, 2039

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04W84/06
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

A method for transmitting data packets through a random-access (RA) transmission channel shared by a plurality of user terminals uses and exploits a function F for assigning and distributing transmission resources F(u) to the user terminals, knowledge of the graph of which is shared by the sending user terminals and the receiving station in a preliminary step. During the decoding of the received packets, the graph {(u, F(u)} of the assigning and distributing function is exploited by the receiving station to minimize, or even to decrease to zero, the number of replica-location correlations required in case of failure of the conventional CRD-SA protocol decoding process.