Patent ID: 6483845
Filing Date: 2002-11-19
Classification: H04L

Abstract:
A packet transmitting/receiving apparatus comprising:packet receiving means for receiving and outputting a packet; normal packet accumulating means for temporarily accumulating a packet for which a retransmission request can be made; particular packet accumulating means for temporarily accumulating a packet for which a retransmission request cannot be made; packet selecting means for receiving the received packet from said packet receiving means, and writing said received packet either to said normal packet accumulating means or to said particular packet accumulating means, depending on whether or not said received packet is a packet for which a retransmission request can be made, and for directing a retransmission of said received packet when said received packet is a packet for which a retransmission request can be made, and when said packet is received while said normal packet accumulating means is in use; and retransmission requesting means for requesting a retransmission of said packet based on the direction of said packet selecting means.