| 摘要 |
A method for performing roaming in a dual mode mobile terminal in such a manner that a ping-pong phenomenon, occurring under a weak electric field between communication networks providing communication services using different mobile communication techniques can be prevented. To this end, a communication path connected between modems performing a corresponding communication service is realized, so that roaming to a target mode can be achieved only in a case in which the intensity of a received signal measured through a target modem for the roaming has at least a predetermined threshold value. Where the intensity of the received signal has not at least the predetermined threshold value, a current mode is continuously maintained.
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