zigbee初级培训资料，讲述了zigbee的网络模型、网络结构（自由拓扑型、星型、网状结构等）、zigbee 协调器、路由和终端设备等。-zigbee information on initial training, about the zigbee network model, network structure (free topology, star, mesh structure), zigbee coordinator, routers and terminal equipment.

Analysis and Simulation Model of Physical Carrier Sensing in IEEE 802.11 Mesh Networks