| 摘要 |
The present invention provides for a method of transferring operation of a mobile radio communication device from a first network to a second network, while connected to the said first network, and including the steps of identifying cells of the said second network, comparing signal power level of the identified cells with a threshold level and connecting to a cell of the second network identified as having a signal power level above the said threshold level such that that passage can be transferred from, for example, a 3G network to a 2G network can be achieved without requiring the 3G network to monitor the 2G network prior to such handover.
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