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为了降低邻居节点之间的信道冲突,提高移动自组网网络性能和服务质量,提出一种跨层设计的多径多信道负载均衡路由协议CMM_LB.协议可以发现多条完全不相交路由,路径上的节点可在路由建立之后分布式的自主选择信道,减少与邻居节点的信道冲突.源节点通过探测机制,以信道可用带宽和节点接口队列长度作为负载轻重的依据,收集链路负载信息,在多条路径间动态调整负载分配比,实现多路径间最大程度上的负载均衡.仿真结果表明,与改进前的CMMRP和AODV相比,CMM_LB在网络吞吐量、平均端到端时延等方面有明显的性能提升.
In order to reduce the channel conflict between neighbor nodes and improve the performance and service quality of mobile ad hoc networks, a cross-layer multi-path multi-path load balancing routing protocol CMM_LB is proposed. The protocol can discover multiple disjoint routes, Of nodes can choose the channel independently after the route is established and reduce the channel conflict with the neighbor nodes.The source node collects the link load information by using probing mechanism and the channel available bandwidth and node interface queue length as the basis of the load, The load distribution ratio is dynamically adjusted among multiple paths to achieve the maximum load balancing among multiple paths.The simulation results show that compared with CMMRP and AODV before improvement, CMM_LB has the following advantages in network throughput, average end-to-end delay, etc. Significant performance improvement.