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Performance of a Novel Delay-and-Queuing Data Size-Based Medium Access Control Protocol for Broadband Wireless ATM
Hijin SATO Shinya OTSUKI
IEICE TRANSACTIONS on Communications
Publication Date: 2000/08/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
MAC protocol, broadband wireless access, resource utilization, fairness, wireless resource scheduling algorithm,
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Efficient radio resource utilization and fairness are important goals that must be achieved since wireless ATM systems support various services with different traffic characteristics such as CBR and UBR. This paper proposes a novel delay-and-queuing data size-based MAC protocol for broadband wireless ATM. The proposed MAC protocol relies on a new resource scheduling algorithm that decides the priority of channel assignment based on both the queuing delay and the queuing data size in the transmission buffer. Simulation results confirm that the proposed MAC protocol is able to provide throughput fairness and to achieve excellent throughput performance for ATM services that experience dynamic traffic fluctuations.