| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless communication terminal and a control method, in transferring from communication by a first communication system to the communication by a second communication system, which can reduce time for starting up the second communication system. <P>SOLUTION: When performing communication by a LTE communication system, a mobile phone 1 comprises: an acquisition unit 32 for acquiring system time of a CDMA communication system by synchronizing with the CDMA communication system prior to a LTE communication system startup; a calculation unit 33 for calculating a difference between the system time of the LTE communication system and the system time of the CDMA communication system; and a transfer unit 34 for calculating the system time of the CDMA communication system from the difference calculated with the system time of the LTE communication system and synchronizing with the CDMA communication system based on the calculated system time, when transferring from the communication by the LTE communication system to the communication by the CDMA communication system. <P>COPYRIGHT: (C)2012,JPO&INPIT |
