Browse Publications Technical Papers 2013-32-9035
2013-10-15

A Research on the Application Layer Protocols of Wireless Communication of Electric Vehicle 2013-32-9035

On electric vehicle monitoring, there is no application layer standard to support the wireless communication. As a developing target, there are more varieties on the signal combination as the modules or unit carried by an electric vehicle change. Protocols between the transmission unit and the reception server are made to change frequently, so are the programs on both the transmission unit and the reception server, and results in the difficulty to the development and maintenance of the whole system. Since electric motorcycle and electric bicycle are also developing with hybrid type, same problems would occur to them. It would be favorable to find a protocol with endurance to such variability. ASN.1 is introduced as a valuable candidate. An effort is made to apply ASN.1 to wireless communication of electric vehicle, to see how well it is to adjust to the variability of signals. Also a new method is developed to represent data of electric vehicle with the idea using signal id and binary format to represent a signal. However series of same signal and structural representation of hierarchical data such as cells are taken into consideration. A comparison is made with result of ASN.1, identifying the pros and cons of each method. Finally, a relational database implementation is considered to fit in the scheme, with possible problems explored and practical advice given.

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