Communication device, transmission control method, and program product
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 13, 2007
Grant Date -
Jan 20, 2005
app pub date -
Mar 23, 2004
filing date -
Mar 25, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a communication device, comprising: transmission means for transmitting a plurality of data segments via a packet communication network, each of the data segments including a sequence number, the data segments being transmitted in sequence number order; receiving means for receiving an acknowledgement indicating a data segment which the destination device requests the communication device to transmit next; retransmission means for changing a transmission rate and fro retransmitting one of the data segments in a case that the communication device has not received an acknowledgement including an acknowledgement number greater than a sequence number included in the retransmitted data segment when a predetermined time elapses following transmission of the original data segment; control means for determining a subsequent data segment to be transmitted next, and for controlling a transmission rate on the basis of a category of the acknowledgement and also information included in the acknowledgement.
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