4Bakula C, Schneider W, Roth J. Probabilistic model based on the effective range and vehicle speed to de- termine bluetooth MAC address matches from road- side traffic monitoring[J]. Journal of Transportation Engineering,2012,138(1) 43 49.
5Porter J, Kim D S, Magana M E, et al. Arriaga an- tenna characterization for ]31uetooth-based travel time data colleetion[J]. Journal of Intelligent Trans- portation Systems, 2012,17(2) : 142-151.
6Sydanheimo L, Keskilammi M. Performance issues on the wireless 2.4 GHz ISM band in a multisystem environment[J]. IEEE Transactions on Consumer Electronics, 2002,48 (3) : 638-643.
7Hager C T, Midkiff S F. An analysis of Bluetooth security vulnerabilities [C]//2003 IEEE Wireless Communications and Networking. Los Angeles.. IEEE Wireless Communications and Networking, 2003,1823:1825 1831.
8Brennan T, Ernst J ,Day C. Influence of vertical sen- sor placement on data collection efficiency from bluetooth MAC address collection devices[J]. Jour- nal of Transportation Engineering, 2010,136 (12) : 1104-1109.
