![]() The results of the POC test show that the performance of the proposed sensor unit appears promising, resulting in 2% of data drop rates and an improved Bluetooth capturing rate. A total of seven prototype sensor units have been deployed on roadway segments in Newark, New Jersey, for a proof of concept (POC) test. The Zigbee transceiver transmits the collected MAC addresses to a data center without any major communications infrastructures (e.g., fiber optics and 3G/4G network). Within the WSN, the Bluetooth sensor captures the MAC addresses of Bluetooth units equipped in mobile devices and car navigation systems. ![]() The primary components of the proposed sensor unit are a Bluetooth sensor and a Zigbee transceiver. This paper presents a low-cost and energy-saving urban mobility monitoring system based on wireless sensor networks (WSNs).
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