FIELD: communication engineering. SUBSTANCE: quantity of busy (free) channels is simulated by reversing counter 5. Pulses of request generator 1 arrive at adding input of reversing counter 5 through AND gates 2 and 6. AND gate 2 is open when at least one free channel is available and AND gate 6 passes current when called subscriber is not busy. Processing of requests is simulated by random stream sensor 10 whose pulses go to subtracting input of reversing counter 5. EFFECT: enlarged functional capabilities and provision for simulating operation of communication system with unassigned channels including consideration of whether called subscriber is busy or not. 2 cl, 2 dwg
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Authors
Dates
1995-10-10—Published
1992-01-09—Filed