| 摘要 |
PURPOSE:To reduced a traffic by informing position information in an interrupt sequence from a stationary network having a means recognizing a position registration area of a mobile station in busy state to the mobile station at the end point of time of a call. CONSTITUTION:A mobile station MS sends an interrupt signal CC1 to a stationary network NW. Upon the receipt of an interrupt signal CC1, the stationary network NW sends a release signal CC2 to a mobile station MS. Upon the receipt of the release signal CC2, the mobile station MS sends a release end signal CC3 to the stationary network NW. When the stationary network NW receives the release end signal CC3, the stationary network NW sends a radio channel interrupt signal RC1 to the mobile station MS. Signal information of the mobile station MS is superimposed on the signal as additional information. Thus, the stationary network NW informs it that the mobile station MS is registered to the position registration area. Upon the receipt of the radio channel interrupt signal RC1, the mobile station MS fetches position registration information included in the signal and sends a radio channel interrupt acknowledge signal RC2 to the stationary network NW.
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