Abstract-Wireless sensor network is a new field of computer science and technology research. It has a very broad application prospects. In order to improve the network survival time, it is very important to design efficient energyconstrained routing protocols. In this paper, we studied the characteristics of wireless sensor networks, and analyzed the design criteria of sensor network routing algorithms. In view of the shortcomings of traditional algorithms, we proposed an energy-aware multi-path algorithm. When selecting a data transmission path, the energy-aware multi-path algorithm can avoid nodes with low energy levels. At the same time, it takes the remaining energy of the node and the number of hops as one of the measures of the path selection. The multi-path routing algorithm realized the low energy consumption of the data transmission path, thus effectively prolonging the network lifetime. Compared with the traditional algorithm, the results show that our method has high reliability and energy efficiency.Keywords-multi-path, routing algorithm, wireless sensor network
IntroductionWireless sensor network is a new technology [3]. At present, it is still in the research stage [4]. Network layer routing protocol is one of the difficult problems in wireless sensor networks, and also one of the factors that affect the performance of the whole network [1]. Therefore, the network design is critical to the routing protocol. Because of the different application background of wireless sensor network, it is more complex to design a general routing protocol. In general, for different application background, we use different methods to design communication protocols. Compared with the traditional wireless network, the wireless sensor network has its particularity. At the same time, the application of wireless sensor networks and the general communication network has a significant difference. Therefore, the traditional wireless network routing protocol cannot be directly applied to wireless sensor networks [2].With the development of micro-electromechanical systems and communication technology, wireless sensor networks have been used in many fields [5]. In the miliiJOE