| 摘要 |
PURPOSE:To provide a telephone signal transmission system in mobile object communication reducing the transmission/reception information amount of the telephone signal. CONSTITUTION:Radio base stations 30 which cover plural zones and gate exchange device 20 which exchange communications between mobile radio devices 100 using radio channels with a telephone signal so as to communicate with the radio base station 30, and 1st to 5th-type exchange devices which enables each mobile device 100 to make originating call and receiving incoming call in any place over a wide service area are provided. Communicators of both the radio base station 30 and the mobile radio device 100 store many timewise divided signals dividing the telephone signal of an opposite party in time at the first stage of the communication, compares it with the stored timewise divided signals during the communication to have coincidence. By sending the only identification signal of the coincident timewise divided signal, the receiver can produce the telephone signal by the identification signal. |
