【摘要】 ZigBee使用的分布式地址分配算法(DAAM)为节点分配地址时没有考虑网络拓扑结构的变化。这就造成了地址空间的严重浪费,使得节点入网成功率降低。同时基于DAAM机制的树路由算法没有考虑节点的负载,负载不均衡将导致网络分割的提前到来。本文提出一种改进的分布式地址分配算法和基于它的负载均衡的树路由算法。改进的地址分配算法通过获取邻居节点的地址空间从而提高节点入网成功率。改进的树路由算法可以均衡节点能耗,延长网络寿命。更多还原

【Abstract】 ZigBee uses distributed address allocation mechanism (DAAM) to assign address for node, but it does not consider the changes in the network topology. This causing serious waste of address space, so that decreases the success rate when nodes try to join a network. At the same time, tree routing algorithm which based on DAAM mechanism didn’t consider the load of the node, lead to network segmentation arrival in advance. Thence this article proposed an improved distributed address allocation algorithm and improved tree routing algorithm based on it. The improved address allocation algorithm can increase success rate when a node join network by using neighbor’s address space. Improved tree routing algorithm can balance the load of nodes, extend the network lifetime.更多还原