基于无线局域网流量控制机制的无线自组网资源调度算法研究

A Research on Resource Scheduling in Wireless Ad Hoc Networks Based on WLAN Flow Control Mechanism

为解决wLan资源调度算法中网络资源受限与调度不良，难以实现有效资源控制等问题，本文提出了一种基于WLAN流调控机制的无线自组织网络资源调度技术。首先，结合梯度概念对资源量、接入带宽有效占有量以及接入点资源等指标进行排序处理，按照用户访问资源最佳及接入带宽质量最低的原则进行反复匹配；然后基于资源访问概率，当仅当访问概率大于一定数值时方提供用户访问服务，从而实现各个资源流在网络中的均衡化分配及调度。仿真实验表明：与RRPS、PR-RRPS算法相比，所提机制具备更好的拥塞控制及资源调度性能。

This paper, aiming at the problems in WLan recourse scheduling, failing scheduling, such as network resource constraints, slow to control efficient resource,etc. ,proposes a new resource scheduling technology based on WLAN multi flow control mechanism in wireless ad hoc networks. First, combined with gradient, the indexes, such as use＇s ac- cess to resource quantity, occupancy volume of broadband access,AP resource,etc, are sorted and matched repeatedly according to the principle of the best resource and the lowest quality of broadband. And then, based on the access fre- quency, only if the access frequency is over some number, visiting service is provided and each resource flow is alloca- ted and scheduled equally. The simulation experiment results show that, compared with RRPS and PR_RRPS, the pro- posed scheme has good congestion control and resource scheduling performance, and has some practical siznificance.