Abstract: The MAC protocol of IEEE 802.16-2004 standard specifies schedule mechanisms about mesh mode, while its channel resource allocation algorithms are not specified. This paper proposes two slot allocation algorithms based on priority to achieve QoS on MAC layer. And conducts a simulation to study average delay, request reject rate, and minislot utilization based on proposed algorithm. The simulation results show that the algorithm achieves QoS of different services.

Key words: Mesh, MAC, QoS, Adaptive slot reserved algorithm

摘要： IEEE 802.16-2004标准定义了Mesh模式下的调度机制，基于这些调度机制下的数据信道资源分配算法，在标准中没有详细规定。该文提出了两种基于优先级的时隙分配算法，以实现MAC层的QoS，通过仿真分析了平均分组延迟、请求失败率和时隙利用率。仿真结果表明这些算法实现了对不同需求的业务流的QoS保障。

关键词: Mesh, MAC, QoS, 自适应时隙预留算法

CLC Number: 

• TP393