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RF Transceiver Design for Electronic Toll Collection (ETC) System Using Compact Dipole Antenna by Anjana Chowdary Devineni Electronic Toll Collection (ETC) system is one of the types of traffic control system that has rapid development in the recent years. ETC system is one of the major applications of Dedicated Short Range Communication (DSRC) which operates in the frequency band of 5.8GHz, used for the transfer of information between the road side unit (RSU) and the on board unit (OBU) which are situated at the toll station and on the vehicle respectively. The working of the system is based on RFID technology. ETC system is implemented in the 0.18μm CMOS technology, which is an aggressive technology in terms of its low cost and easy integration of the RF circuits. A compact dipole antenna based low-cost RF transceiver for ETC system is designed in this thesis. Amplitude Shift Keying (ASK) modulation technique is employed in the implemented RF transceiver. In transmitter side, a class-E power amplifier is used to amplify the signal power. In order to send and receive the signal, a dipole antenna operating at a frequency of 5.8GHz is used. A low-power and energy efficient Low-Noise Amplifier (LNA) is used in the receiver block which consumes very less power and has a minimal noise figure compared with prior arts. A self-mixer is used for the down-conversion of the signal. Results of this design demonstrate the working of the transceiver at 5.8GHz frequency up to an input data rate of 400 Mbps.

RF transceiver design for electronic toll collection system (ETC) using compact dipole antenna