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The objective of this study is to develop applicable solar heat reflective coating for asphalt pavement. The cooling effects of 10 self devised coats as well as a Japanese paint were compared and evaluated based on laboratory and field tests. Ceramic particles and machine made sands were applied to enhance coat anti skid performance. Results show that scheme 8, 9 and 10 performed better indoor cooling...
Non-line-of-sight (NLOS) propagation biases Time of Arrival (TOA) and Time Difference of Arrival (TDOA). It causes the principal error for the mobile location in cellular networks. To mitigate the positioning error, a mobile positioning approach based on modified Kalman filter is proposed in this paper. With this approach, the true range is estimated based on the measurements, and the estimated range...
The existing theory and technology provides new means for on board system of logistics traffic. The use of navigation and communication platform will be an integral part of on board unit (OBU). Applications on OBU have been growing substantially in recent years to reduce the probability of accidents. On navigation and locating part, locating solution innovation is now driven by requirements of location...
There are increasing demands of location based services on traffic, travel, emergency, special crowd, and etc. With the development of measurement technique in wireless networks and applications of 3GPP release 4 on TD-SCDMA in China, it plays a more important role in positioning service for the customs using wireless networks technology. New and innovative ways are continuously pursued by mobile...
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