TY - SER AU - Frigui, Imed AU - Stone, Richard AU - Alfa, Attahiru Sure TI - Message delay for a priority-based automatic meter reading network KW - POLLING SYSTEMS KW - MEAN WAITING TIME KW - NON-PREEMPTIVE EXHAUSTIVE SERVICE DISCIPLINE KW - TIME LIMITED KW - VACATION MODELS N1 - In this paper, we model a data acquisition system as cyclic polling systems with two priority levels. Two types of polling system are studied, exhaustive and time limited service, with application to automatic meter reading. In the case of the exhaustive service strategy, stations are served exhaustively for both priorities, with high priority messages served first on a non-preemptive basis ER -