分布式并行无线令牌环接入控制协议

针对Ad hoc网络的MAC层协议进行研究,分析了无线令牌环协议(WTRP)的服务规则和控制过程,在对WTRP进行改进的基础上提出一种新的具有QoS保障的无竞争的分布式并行无线令牌环访问协议,即DPWTRP协议。仿真结果表明,该协议的排队等待延迟和等待队列长度均比WTRP有很大降低,稳定性大大增强,更加适用于对时延要求较高的业务。

Distributed and Parallel Wireless Token Ring Protocol

An ad hoc network is a collection of wireless mobile hosts, which can form a temporary network without the aid of any infrastructure or centralized administration. After the MAC protocol of ad hoc network is studied and the protocol of WTRP is improved and modified, a new uncontested Distributed Parallel Wireless Token Ring Protocol (DPWTRP), which can ensure MAC(Media Access Control) layer QoS for ad hoc network, is presented. The simulation results show that the average delay and queue length in DPWTRP system are much lower than in WTRP system, and the stability is more enhanced. As a result, it could be more fit for the services which require the lower delay.