| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a wireless access system for synchronizing the access timing of uplink to a base station device from each mobile station device on time series basis with precision. <P>SOLUTION: In the base station device 101, the reception timing difference between reception timing in the uplink from each mobile station device 102 and reference timing is calculated. In each mobile station device 102, the fluctuation value of propagation time at downlink from the base station device 101 is calculated, and an adjustment value, where the reception timing difference calculated in the base station device 101 is corrected by the propagation time on the downlink, is used for controlling transmission timing on the uplink, thus adjusting the transmission timing in each mobile station device 102, and hence synchronizing the access timing of the uplink to the base station device 101 from each mobile station device 102 on time series basis with precision. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
