| Summary: | 碩士 === 國立彰化師範大學 === 電機工程學系 === 92 === GSM mobile communication has been used vastly, an electronic toll collection system (ETC) can be established from mobile stations (cell phones) though this system. This thesis presents a simple ETC protocol for transactions among mobile stations to toll stations to complete pay-receipt function in a very short duration. The proposed ETC will be useful to fixed toll stations in free ways or bridges, or ramps to any high ways or free ways, and even to un-manned toll parking lots. The proposed system is preliminarily tested with car hardware, road side hardware, and transaction software with good results.
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