1John Walker.MobileInformation Systems.Norwood,MA:Artech House ,1990.
2A Comparison of ITS Progress around the World through 1996.Report of ITSAmerica,1997.
3Mitsuyuki Okamoto,Tetsuo Yamamoto, Kentaro Sakamoto,Masakuni Tuge.Evolution of theVICS.Proceedings of the 5th World Congres s on ITS,Korea,1998.
4Nobuo Nishi, Etsuji Kuroda, Akio Uekawa.Evaluation for Effectiveness of CDRGS.Proceedings of the 4th World Congress on ITS,Berlin:1997.
5Shinji Makino,Kazuaki Gotoh, Kouhei Takeuchi,etc..Trial Application of theInteractive CDRG in UTMS II.Proceedings of the 5th World Congress on Intelligent TransportSystem, Korea:1998.
6TravTek Evaluation:Orlando Test Network Study,PublicationNo.FHWARD95162,U.S.Department of Transportation,Federal Highway Administration, 1996.
7Homepage of ADVANCE Project:http://ais.itsprogram.anl.gov/.
8Bruce Wetherby, Hesham Rabka, Michel VanAerde. Architecture Study of SWIFTResearch Report. prepared for W.S.DOT,WSDOT Y5908,199810.
1999－04－20
9Gershenfeld N,Krikorian R,Cohen D.The Internet of things. Scientific American . 2004
10Chris C.Tomorrow’’s technology starts with today’’s spectrum planning. Telecommunications Journal of Australia . 2008
