The proposed medium access protocol deals especially with the timely-transmission of real-time packets in wireless multimedia networks where users of various types of traffic are present. It works based on the time division multiple access (TDMA) with time division duplex (TDD) technique as well as fixed-length packet switching incorporating two policies, which work differently during non-congestion and congestion states. The simulation results show good performance of the proposed method, even under high-load conditions, and a good trade-off characteristic between real-time access delay and non-real time buffer occupancy, during periods of congestion.
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