Title: Special communication protocol DECP and protocol module for unpark charging ETC
Application Number: 200610079051 Application Date: 2006.04.30
Publication Number: 1832485 Publication Date: 2006.09.13
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04L29/06,G07B15/00
Applicant(s) Name: Beijing Aeronautic and Astronautics Univ. Address: 100083
Inventor(s) Name: Ning Huansheng, Hu Changjun, Cheng Hui, Liu Wenmin
Attorney & Agent:
Abstract:
     This invention relates to a DECP of ETC and a protocol module to improve the traditional DSRC link layer protocol, test the working state of the test card and transmits data at high speed under the ciphered state and increases communication distances, which adds the information of working state, balance and power of the cell of a card on the original data part of the DSRC frame and displays them by an external display to make road devices or users to master the state of the card.
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