| The rapid developments of Electronic technology,computer technology and communication technology have brought convenience for our life,also brought new opportunity for the medical system's development.The wireless communication technology has already obtained widespread application in the medical monitoring domain,including long-distance medical service,the track treatment,the handset to pray for rescue,the patient data collection,drug track,etc.It has an important role in enhancing people's health care and developing our country's medical enterprise.As a new short-range wireless communications technology,ZigBee has the characteristics of low power,low cost,low complexity loved by an increasing number of businesses and individuals of all ages.It could establish one kind of small,special network mechanism that separates from the fixed network infrastructure between connected equipment,and it is suited to small data throughput and network construction investment,the higher requirements of the network security occasions. not only has huge application value in traditional domains of industry,agriculture, military,environment,medical etc,but also involves all domains of human daily life and social product activity in the future.In this paper,one kind of wireless network solution for medical monitoring in hospital is proposed that based on the analysis and research of ZigBee technology and its protocol.Through the analysis of ZigBee network topology,according to the hospital environment,we select tree topology to establish network on the view of network coverage,flexible networking and so on,give the network architecture, chose the SOC solution - CC2430 ZigBee integrated module as the hardware design modules of the monitoring network,design the temperature sensor node for monitoring the patient's body.Through the analysis of existing wireless routing protocol,we chose ClusterTree + AODVjr routing protocol on occasion that the node change or move.We also analyze the authentication and encryption mechanism,the process of AES cooperate encryption and decryption and aes encryption algorithm completely,and at the same time,proofed the network security,finally,research the network organizing algorithm from the aspect of network establishing and equipment connecting network,realize the dynamics formation of network and communication of node. |
