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DATA TRANSMISSION APPARATUS, DATA RECEIVING APPARATUS, AND DATA TRANSMITTING-RECEIVING METHOD

  • US 20070147335A1
  • Filed: 03/06/2007
  • Published: 06/28/2007
  • Est. Priority Date: 07/07/2000
  • Status: Abandoned Application
First Claim
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1. A data receiving apparatus comprising:

  • a reception section that receives packet data;

    a loss decision section that decides whether or not there is missing packet data among the received packet data;

    a playback time calculation section that calculates a playback time of the missing packet data;

    a retransmission request decision section that decides whether to transmit an immediate retransmission request or a usual retransmission request for the missing packet data, based on a round trip time of data between the data receiving apparatus and a transmission side, a current time and the playback time; and

    a retransmission request section that transmits the immediate retransmission request or the usual retransmission request.

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