Methods and apparatus for uplink frame synchronization in a subscriber station
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United States of America Patent
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May 28, 2013
Grant Date -
Oct 1, 2009
app pub date -
Mar 26, 2008
filing date -
Mar 26, 2008
priority date (Note) -
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Abstract
A method for uplink frame synchronization in a subscriber station may include recording a first time stamp corresponding to a first downlink frame and recording a second time stamp corresponding to a second downlink frame. The first time stamp and the second time stamp may be used to determine a propagation delay change. Uplink transmission timing may be adjusted based on the propagation delay change that is determined.
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