Apparatus and method for handover of multi-mode portable terminal

In the present invention permits the wireless system and to deny regarding efficient handover scheme of the multi-mode portable terminal that supports wireless systems, such hand-over method of the present invention in a multi-mode mobile terminal, when whether the handover, permission process to determine the neighboring cell information received from the radio system, and omit the process for determining whether handover is possible based on the peripheral cell information and the handover is the handover is not possible and the connection with the licensed wireless system keeping process and, if applicable unlicensed handover is possible include a process of hand-over in radio systems. Mobile terminal, the multi-mode, permit, deny, UMA, GAN, surrounding cells