9L BUTTYAN,T HOLCZER, I VAJDA. On the effectiveness of changing pseudonyms to provide location privacy in vanetsEC. In Proc. the 4th European Workshop on Security and Privacy in Ad- Huc and Sensor Networks (ESAS 2007),2007129-141.
10L HUANG, K MATSUURA, H YAMANE, et al. Enhancing wireless location privacy using silent period[-C. In Proc. 2005 IEEE Wireless Communications and Networking Conference (WCNC) ,2005 : 1187-1192.
2Qu F, Wang F-Y, Yang L.Intelligent transportation spaces:vehicles, traffic, communications, and beyond[J].IEEE Communications Magazine, 2010,48( 11 ) : 136-142.
3Papadimitratos P, Buttyan L, Holczer T, et al.Secure vehicular communication systems:design and architecture[J].IEEE Communications Magazine, 2008,46( 11 ) : 100-109.
4Raya M,Hubaux J-EThe security of vehicular ad hoc networks[C]// The Third ACM Workshop on Security of Ad Hoc and Sensor Networks, Alexandria VA, USA, November 7-10,2005 : 11-21.
6Armknecht F, Festag A, Westhoff D, et al.Cross-layer privacy enhancement and non-repudiation in vehicular communication[C]// The 4th Workshop on Mobile Ad-Hoc Networks,Bern, Switzerland,March 1-2,2007:1-12.
7Freudiger J, Manshaei M, Boudec J-Y L, et al.On the age of pseudonyms in mobile ad hoc networks[C]//The 29th IEEE International Conference on Computer Communications, San Diego,CA,USA,Mar 15-19,2010:1-9.
8Gerlach M,Guttler F.Privacy in VANETs using changing pseud-onyms-ideal and real[C]//The 65th IEEE Vehicular Technology Conference, Dublin, Ireland, April 22-25,2007:2521-2525.
9Beresford A R, Stajano F.Location privacy in pervasive computing[J].IEEE Pervasive Computing,2003,2( 1 ) :46-55.
10Beresford A R.Location privacy in ubiquitous computing[D]. University of Cambridge,2005.
