| 摘要 |
In base station 100, TA control amount calculating section 106 calculates a time alignment control amount based on a signal received from communication terminal station 150. Then, TA control amount rounding section 107 performs rounding on the time alignment control amount to obtain a time aliment control amount of the predetermined number of significant digits and a rounding error amount. Reception timing correcting section 109 corrects the reception timing detected in reception timing detecting section 103, using the rounding error amount. Receiving section 104 obtains demodulated data from a received signal at the corrected reception timing.
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