ABSTRACT
As information technology advances, wireless sensor networks have achieved rapid development. In wireless sensor networks, sensor network node localization is used to obtain additional information about a sensor node of a monitored area by obtaining an absolute or relative position in the plane or spatial information. Therefore, the positioning of nodes in wireless sensor networks has become one of the key technologies. Typically, the positioning algorithm is divided into two categories based on distance and without distance. The ranging localization algorithm based on the hardware requirements is relatively high, and the accuracy is relatively high. The non-ranging localization algorithm is without additional measuring equipment, but measuring is more rough and using field has its limitations [1].
