Verfahren und Empfänger zur verbesserten Datenpaketübertragung in ein Übertragungsprotokoll mit Wiederholungsaufforderung

Procédé et récepteur pour améliorer le transfert de paquets de données dans un protocole de transmission avec demande de répétition

Method and receiver for improved data packet transfer in a transmission protocol with repeat requests

Abstract

In a method for the transmission of data packets (D) from a transmitter (TR) to a receiver (RE), defective data packets (D) are detected and a first status message (S 1 ) comprising an indication of defective data packets is sent from the receiver (RE) to the transmitter (TR). A retransmission of defective data packets is performed according to the first status message (S 1 ). The receiver (RE) initializes a timing unit according to the sending of the first status message (S 1 ) and determines later that a further status message (S 2 ) indicating defective data packets is required. Then, defective data packets are selected for the further status message (S 2 ). A defective data packet is selected if it is not indicated in the first status message (S 1 ) or if the timing unit has reached a threshold. Only the indications of the selected data packets are included in the further status message (S 2 ) and the receiver sends the further status message (S 2 ). A receiver and software programs embodying the invention are also described.

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