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In a communication system that comprises a plurality of subscriber stations in RF communication with a base station having multiple sequentially repetitive time slots, each time slot being assigned to a particular subscriber station, means to change either the frequency or the time slot configuratio

In a communication system that comprises a plurality of subscriber stations in RF communication with a base station having multiple sequentially repetitive time slots, each time slot being assigned to a particular subscriber station, means to change either the frequency or the time slot configurations, or both, in the event of a deterioration of transmission quality caused by modulation change, frequency channel interference, equipment failure, or the like, or by the entrance of additional subscriber stations going on line.

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In a communication system provided with a base station that is in communication with a central office and subscriber stations that are connected to said base station by RF channels, said base station having multiple sequentially repetitive time slots and a plurality of frequency channels, said time

In a communication system provided with a base station that is in communication with a central office and subscriber stations that are connected to said base station by RF channels, said base station having multiple sequentially repetitive time slots and a plurality of frequency channels, said time slots and frequency channels being selectively assignable to said subscriber stations by movement of said subscriber stations to selected vacant time slots or frequency channels in accordance with a predetermined assignment schedule, said system including assignment means for selectively assigning time slots and frequency channels to any of the subscriber stations in response to either the coming on line of an additional subscriber or to a deterioration in transmission between the base station and a subscriber station in communication therewith.