Routing And Topology Optimization Based On IEEE802.16Wireless Mesh Network

With the wireless network technology development and innovation, the traditional wirelesstechnology become more and more difficult to meet the needs of users, when the people requirethe network portability, stability, high-quality services constantly. Wireless mesh networks as anew type of network structure, the core nodes constitute the gateway to the interconnectionbetween each user node. WMN have a great application advantages from traditional wirelessnetworks characterized by its flexible networking, wide coverage, network capacity, performanceis relatively stable. The WMN is bound to become a core component of the next generation ofInternet technology.At the beginning of this paper, we mainly details related concepts of IEEE802.16andtechniques, which mainly put the topic around the gateway, route scheduling, load balancing,wireless channel. In the gateway topic, the existing research ideas basically is to use the plasticlinear programming ideas, the abstract into equations for the specific problems to solve;Scheduling mechanism has a direct impact on the overall performance of the network, and in thefollowing content, we introduced the parallel relay transmission scheduling, stochasticscheduling algorithm, deficit fair priority queue scheduling. At last, we had a specific discussionon load balancing and introduced a kind of end-to-end similar polling mechanism in the fairdistribution of the method; finally we conducted a simple analysis with WMN channel.The research method of this paper is a mathematical geometric model of how to avoidinterference from the different locations of nodes; And then in order to ensure the uniqueness ofthe topology, we propose a practical circuit constraints; Finally, using the load balance idea foreach relay nodes load limit, so as to achieve the purpose of topology optimization; At the end ofthis paragraph, we summarized the topic with equations and named this methodC-TSR(Capable-Topology Selection and Routing).In the end, focus on using NS2tool topology proposed in this paper constitutes theideological simulation, the performance comparison with two types of typical topology. Thesimulation results show that the proposed topology optimization idea on the performance andquality of service is better than bellman-ford algorithm, and present some problem that be worthto research.