Journal
ELECTRONICS
Volume 12, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/electronics12112517
Keywords
indoor positioning; fusion positioning technology; fingerprint positioning; received signal strength indication; signal distribution characteristic
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With the rapid development of the Internet and Internet of Things technology, location-based services have gained increasing attention. However, indoor positioning faces challenges due to the complex environment and interference factors. This paper proposes a fingerprint fusion positioning method using Wi-Fi, Frequency Modulation (FM), and Digital Terrestrial Multimedia Broadcast (DTMB) signals, which improves localization accuracy by 30% compared to Wi-Fi alone.
In the context of the rapid development of the Internet and the Internet of Things technology, services based on location information have received more and more attention, and people gradually have higher expectations for the quality and experience of positioning services. At present, outdoor positioning technology is becoming mature, but different from empty outdoor areas, there is a highly complex indoor environment with many interference factors, so it is difficult to receive effective satellite signals. To realize the smooth transition of whole-field positioning, it is necessary to study an economical and efficient indoor positioning technology. The existing indoor positioning technologies have some problems, so this paper comprehensively uses the resource-rich Wi-Fi signal, Frequency Modulation (FM) signal and Digital Terrestrial Multimedia Broadcast (DTMB) signal as the positioning data sources, and proposes a fingerprint fusion positioning method based on the wireless signal distribution characteristic. Experiments show that the proposed method improves localization accuracy by 30% compared to localization with Wi-Fi alone.
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