Data communication apparatus, data receiving apparatus, data transmitting apparatus, and retransmittal control method

A data communication apparatus, a data receiving apparatus, a data transmitting apparatus and a retransmittal control method wherein the transmission efficiency is improved. The data communication apparatus includes an error rate determining part (120) and an ACK/NACK generating part (122). The erro...

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Bibliographische Detailangaben
1. Verfasser:	NISHIO AKIHIKO,SEIDEL EIKO,HORIUCHI AYAKO
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A data communication apparatus, a data receiving apparatus, a data transmitting apparatus and a retransmittal control method wherein the transmission efficiency is improved. The data communication apparatus includes an error rate determining part (120) and an ACK/NACK generating part (122). The error rate determining part (120) determines the packet error rate of received packet data. The ACK/NACK generating part (122) compares the determined packet error rate with a desired packet error rate that is a target value. As a result of the comparison, if the determined packet error rate is lower than the desired packet error rate, the ACK/NACK generating part (122) generates an ACK signal as a process of avoiding any data retransmittal.