US 5,335,353 AGranted

Method for processing subsequently received communications

AssigneeMotorola, Inc.

InventorsPaul J. Cizek, Arthur D. Chrapkowski

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Abstract

In a communication system network, a central controller can more efficiently respond to communication requests in the following manner. Upon receiving a request for a multi-communication system communication by a communication unit in a first communication group, the central controller determines that at least one of the communication systems of the multi-communication system request does not have an available communication resource in it, producing a non-accessible system. Having determined that at least one communication system is non-accessible, the central controller determines the average wait period for a resource to become available in each of the non-accessible communication systems. When a communication request for a second communication group is subsequently received and requests allocation of communication resources in accessible communication systems only, the central controller processes the communication request for the second communication group when the communication request will be processed substantially within the average wait period.

In a network of communication systems that comprises a plurality of communication systems, a central controller that interfaces with the plurality of communication systems and at least one operator station, wherein each communication system includes a plurality of communication units that are arranged into communication groups, a limited number of communication resources that are transceived via a limited number of repeaters, and a communication resource allocator that allocates via the central controller the limited number of communication resources among the plurality of communication units, a method for processing subsequently received communications, the method comprises the steps of:

a) transmitting, by a communication unit of a first communication group, a request for a multi-communication system communication to the central controller;
b) time-stamping, by the central controller, the request for the multi-communication system communication when the request is received;
c) determining, by the central controller, that at least one of the communication systems in the multi-communication system communication presently does not have an available communication resource to produce at least one non-accessible communication system;
d) for each communication system in the multi-communication system communication that has an available communication resource, reserving, by the central controller, the available communication resource to produce an accessible communication system;
e) determining, by the central controller, an average wait period for a communication resource to become available in each of the at least one non-accessible communication system;
and
f) when a communication request for a second communication group is subsequently received within at least one of the accessible communication systems, processing the communication request for the second communication group when the communication request will be processed substantially within the average wait period.

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Abstract

Claims6