Timing adjustment method in a mobile communication system that performs an adjustment of uplink transmission timing by random access between a user equipment and a base station
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United States of America Patent
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May 19, 2015
Grant Date -
May 16, 2013
app pub date -
Jan 8, 2013
filing date -
Jun 2, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A timing adjustment method in a mobile communication system that performs an adjustment of uplink transmission timing by random access between a user equipment and a base station, the timing adjustment method that includes performing transmission having transmission timing adjustment information in the user equipment; allocating a plurality of parameters related to a physical uplink control channel (PUCCH) resource used for communications, between the user equipment and the base station; and if a timer controlling a term of uplink transmission timing adjustment information expires during uplink communications to the base station having the uplink transmission timing adjustment information in the user equipment, releasing only a part of the allocated plurality of parameters related to the PUCCH resource.
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