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An improved wireless MAC protocol for priority based data delivery

机译：改进的无线MAC协议，用于基于优先级的数据传递

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摘要

A Medium Access Control (MAC) protocol for time-critical wireless applications called Enhanced Priority MAC (EPMAC) is proposed in this paper. The proposed scheme supports three traffic categories prioritizing emergency traffic over non critical one and beacons are emitted to announce that the channel will be occupied. EP-MAC is designed so that the highest priority traffic postpones lowest priority transmissions. The performance of this protocol has been evaluated over several industrial channels through OPNET simulator. Compared with PriorityMAC, provided results show that EP-MAC is able to reduce the latency of all the traffic categories supported, whilst fulfilling the stringent requirements of time-critical applications.
机译：本文提出了一种针对时间紧迫的无线应用的媒体访问控制（MAC）协议，称为增强优先级MAC（EPMAC）。提议的方案支持三种流量类别，将紧急流量优先于非关键类别，并且发出信标以宣布该信道将被占用。 EP-MAC被设计为使最高优先级的业务延迟最低优先级的传输。该协议的性能已通过OPNET模拟器在多个工业渠道上进行了评估。与PriorityMAC相比，提供的结果表明，EP-MAC能够减少所支持的所有流量类别的延迟，同时满足对时间要求苛刻的应用程序的严格要求。

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