PACKET COMMUNICATION SYSTEM, AND ITS TRANSMITTING APPARATUS, RECEIVING APPARATUS, AND PROGRAM

According to one aspect of the disclosure, in a communication apparatus at a transmission end, a packet train that is input is grouped to generate a duplicate packet for each packet group. For each packet group, encoded packets are generated using some packets in a group of duplication source packet...

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Bibliographische Detailangaben
Hauptverfasser:	KUBO, Takahiro, YOSHIHARA, Shinichi, YASUHARA, Natsuki, KAWAKAMI, Yuhei, YAZAWA, Go
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	According to one aspect of the disclosure, in a communication apparatus at a transmission end, a packet train that is input is grouped to generate a duplicate packet for each packet group. For each packet group, encoded packets are generated using some packets in a group of duplication source packets and other packets in a group of duplicate packets that do not correspond to the some packets in the group of duplication source packets, and above-described other packets in the duplication source, some packets in the group of duplicate packets that are not used to generate the encoded packets, and the above-described encoded packets are transmitted. On the other hand, in a second communication apparatus at a reception end, the some packets in the group of duplication source packets and the other packets in the group of duplicate packets are decoded based on, among the received packets described above, either the other packets in the group of duplication source packets or the above-described some packets in the group of duplicate packets, and the encoded packets, and when some packets of the packet group are lost in a network, the above-described lost packets are restored by the above-described decoded packets.