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无线传感器网络具有数据采集、实时处理和无线通信功能，基于无线传感器网络构建智能家居系统已经成为未来家居发展的主要方向。本文根据智能家居系统特点和需求，设计出一种可靠性高、复杂度低、功耗低的多跳自组织传感器网络，并基于此网络给出了智能家居系统的构建框架。多跳自组织网络基于舲舮舴艇艈艺频段开发，采用中继方式实现树状拓扑。节点基于路径长度和信号强度实现最优路由，构建最优树。树状拓扑使网络分散能耗，具有更好的网络负载均衡性能。“,”Wireless sensor networks have the abilities of data acquisition, real-time processing and wireless communication. In future, it would be the main trend to construct smart home based on wireless sensor networks. According to the characteristics and needs of the smart home technology, this paper designs a novel multi-hop self-organization wireless sensor network with high reliability, low complexity and low power dissipation. Also it provides a framework for smart home based on this network. The multi-hop self-organization network is developed based on 2.4GHz radio frequency and it uses the way of relay to achieve tree topology. The nodes take the shortest path and the strongest signal algorithm to construct optimal tree. Due to the distributed information processing technology and tree topology, this network has a better load balancing performance.