SIMULTANEOUS COMMUNICATION SYSTEM BY TDMA DIGITAL RADIO COMMUNICATION
PROBLEM TO BE SOLVED: To prevent a mobile station to receive simultaneous communication(SC) of the same contents repeatedly. SOLUTION: When the start of SC is requested from a command console 14, a switching device 12 generates a notification number (1 to 63) for discriminating the SC and sends it t...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To prevent a mobile station to receive simultaneous communication(SC) of the same contents repeatedly. SOLUTION: When the start of SC is requested from a command console 14, a switching device 12 generates a notification number (1 to 63) for discriminating the SC and sends it to the mobile station 18 through a base station 16. The mobile station 18, on the other hand, stores its internal memory with the latest notification number which is already received and limits the reception of the SC when the newly received notification number is equal to the stored notification number. When the mobile station 18 is powered ON, the notification number stored in the internal memory is reset (0). Consequently, the SC is never received repeatedly and necessary SC is received by the mobile station 18 without fail. |
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