Wireless data communication system having improved data communication efficiency
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United States of America Patent
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Apr 20, 2004
Grant Date -
N/A
app pub date -
Sep 1, 1999
filing date -
Sep 1, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A second processor 6 inserts data to be transmitted and pointer information into a data packet and transmits the data packet at step S20 and then determines whether an acknowledgement from the receiving party has been received at step S22. If no acknowledgement has been received, a determination is made as to whether the number of re-transmissions is equal to or less than a predetermined re-transmission number at step S32. If the re-transmission number is equal to or less than the preset value, then a data packet 16 with the same data is transmitted at step S20. However, if the re-transmission number has reached the preset value, then the number of data bits per data packet is reduced at step S36, and a data packet with reduced data is transmitted at step S20.
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