Communication apparatus and communication method
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United States of America Patent
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May 5, 2020
Grant Date -
Nov 19, 2015
app pub date -
Jul 28, 2015
filing date -
Apr 4, 2003
priority date (Note) -
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Abstract
In order to reduce interference between cells through hopping and use frequencies in a good propagation situation, a scheduler section carries out scheduling for determining to which user data should be sent using CQI from each communication terminal apparatus, selects a user signal to be sent in the next frame and determines in which subcarrier block the data should be sent. An MCS decision section selects a modulation scheme and coding method from the CQI of the selected user signal. A subcarrier block selection section selects a subcarrier block instructed by the scheduler section 102 for each user signal. For the respective subcarrier blocks, FH sequence selection sections select hopping patterns. A subcarrier mapping section maps the user signal and control data to subcarriers according to the selected hopping pattern.
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