| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a mobile wireless unit that can stably perform establishment of synchronization with high accuracy, even when the frequency of the mobile wireless unit is deviates greatly from the frequency of a base station. SOLUTION: The mobile wireless unit adopts the CDMA system, where each base station configures a service area and the synchronization is established through the processes of slot synchronization, group identification and code identification of multi-path signals received from each base station, and is provided with: a slot synchronization means 51 that grasps the timing of each multi-path signal and each code by means of the slot synchronization of each multi-path signal; and a frequency control means 52 that uses the known codes that have already been grasped, after the slot synchronization by the slot synchronization means to perform automatic frequency control for each multi-path signal. Thus, by establishing synchronization of the mobile wireless unit quickly, deviation amount of the phases of the multi-path signal and the received signal in the stage of slot synchronization is reduced.</p> |
