| 摘要 |
A method of radio access technology (RAT) selection for a mobile device in a wireless communication system includes selecting a first RAT to use when powering on, wherein the first RAT is capable of providing services of a first service domain, handing over to a second RAT capable of providing services of a second service domain when the mobile device needs to perform a first service on the second service domain, and returning to the first RAT while the mobile device needs to perform a second service on the first service domain.
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