A dynamic ring-based routing scheme for source location privacy in wireless sensor networks

Abstract

Many studies have addressed the protection of source location privacy (SLP). However, most of the traditional research has not achieved a balance between security and energy consumption. Here, we propose a dynamic ring-based routing (DRBR) scheme to solve this problem. This scheme is divided into three stages. In the first stage, the source node randomly selects an intermediate node to send a data packet to the selected area. During the second stage, the intermediate node sends the data packet to the mixing ring, where the ring nodes combine data packets. The mixed data packets from the mixing ring are sent to the sink node in the third stage. We prove that DRBR not only provides high SLP, but also achieves a desirable trade-off between privacy and energy consumption.