Method and apparatus for conveying data between communication devices
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United States of America Patent
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Apr 3, 2001
Grant Date -
N/A
app pub date -
Jun 24, 1998
filing date -
Jun 24, 1998
priority date (Note) -
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Abstract
A first communication device (107) transmits user data (102), divided into a plurality of data blocks, at a first modulation rate. The first communication device (107) then receives an acknowledgment (104) from the second communication device (101) indicating a quantity of the data blocks that were not received and compares this quantity to a threshold. When the quantity is less than the threshold, the data blocks that were not received are retransmitted (106) at a second, usually lower, modulation rate. Otherwise, they are retransmitted at the first modulation rate. A comparison between the quantity of data blocks to be retransmitted and a threshold is being introduced to known communication techniques by the present invention.
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