Method for managing communication channels in mobile telecommuni

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

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455445, 455560, 455567, H04Q 738

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active

058158162

ABSTRACT:
When a base station of a digital radiotelephone system receives, through a circuit interface unit of the base station, a call setup message for a radio subordinate unit from a radio control station, an incoming call signal is transmitted to the radio subordinate unit through a radio interface unit of the base station, under control of a control unit of the base station, without performing an acquisition of a circuit communication channel between the radio control station and the base station. Thereafter, when a radio link setup message, an incoming call response, a call proceeding message or an authentication response message is provided by the radio subordinate unit, it is known that the radio subordinate unit is present in a radio area of the base station, and the circuit communication channel is acquired under the management of a communication channel management of the base station. Therefore, even when many incoming call signals are concentrated at the base station, a circuit communication channel can be reliably and efficiently acquired.

REFERENCES:
patent: 4700374 (1987-10-01), Bini
patent: 5101451 (1992-03-01), Ash et al.
patent: 5282240 (1994-01-01), Buhl et al.
patent: 5311571 (1994-05-01), Pickert
patent: 5319699 (1994-06-01), Kerihuel et al.
patent: 5353340 (1994-10-01), Kunz
patent: 5371780 (1994-12-01), Amitay
"System 900: The ISDN Approach to Cellular Mobile Radio", M. Wizgall, et al., Electrical Communication, vol. 63 #4, 1989.

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