The Research On Key Technologies Of The Wireless Sensor Network Based On Bluetooth Low Energy

The biggest advantage of Bluetooth low energy(BLE)is low power consumption,it has expanded the types of short distance wireless communication,have produced a variety of wearable devices with low power consumption based on Bluetooth Low Energy.At the same time,the Bluetooth Low Energy has brought new development to the wireless sensor network technology.Based on the technology of Bluetooth Low Energy and wireless sensor network we can get real-time monitoring of vital signs and warrior environment parameters with the system of wearable equipment for soldiers,to improve the survival ability,to reduce casualties,to enhance the combat effectiveness of the armed forces.This paper focuses on the research of wireless sensor networks based on Bluetooth Low Energy with wearable devices as network nodes Based on tactical application.By analyzing the characteristics of Bluetooth Low Energy and contrasting with the traditional Bluetooth and other short-range communication modes,the conclusion is drawn that Bluetooth Low Energy is the best choice.And the general design of the wireless sensor network based on Bluetooth Low Energy is put forward.The network model including three nodes and tree topological structure is proposed in this paper.This paper discusses the key technology of network node hardware and software design,the development of Bluetooth Low Energy and routing protocol.It expounds the way of network data transmission and proposes the bottom-up basic routing protocol.Considered with the actual background,Agreement for routing protocol to be added.At the end of the paper,the experiment node and the Android Bluetooth node are designed and developed.The communication experiment is carried out on the data transmission between the single nodes of the system.For the Bluetooth Low Energy protocol,the network model simulation experiment based on OMNeT ++ platform is designed.In order to verify the performance of the system.