| 摘要 |
PURPOSE:To attain a communication between optional hierarchies by allowing a radio control means to manage plural class (i) mobile radio means in a way that the service area located of each at present and each mobile radio means are registered separately. CONSTITUTION:In case of the communication between the class 1 portable radio equipment 9 in the class l area S1a of a 1st hierarchy and the class 2 portable radio equipment 23 in the class 2 area S2n of a 2nd hierarchy, the class 1 portable radio equipment 9 and the class 1 radio base station R1a and the class 2 portable radio quipment 23 and the class 2 radio base station R2n are connected by a radio line with weak and small power radio wave respectively. The class 2 radio base station R2a and the class 1 portable radio equipment 9, and the class 3 radio base station R3 and the class 2 portable radio equipment 23 are connected by a radio line with small and medium power radio wave respectively. The calss 1 radio base station R1a, the class 2 radio base station R2n and the class 3 radio base station R3 are connected via a central radio control station PCT and in case of the communication between different hierarchies, it is attained by the control of the control station PCT. |
