基于多源融合的室内定位系统的研究与实现

With the large-scale and complicated development of indoor building structure, location-based service has good future and great commercial value, and the positioning technology based on mobile terminals has become a hot research area in recent years. Based on the existing positioning technology, it is of great significance to construct the indoor positioning system with high precision, low cost and universality. Therefore, this paper mainly studies the existing positioning technology, using the general features of the Wi-Fi and geomagnetic positioning technology to achieve multi-sensor information fusion positioning services, design and implementation of a fully covered positioning system. The results show that the positioning system has an average accuracy of 2m, and the average positioning time delay is 400ms, which ensures that the locating needs are met.