차량 내부 장착용 WAVE 양방향 비대칭 패턴을 갖는 안테나 설계 연구

Abstract

In this thesis, a vehicular indoor antenna for WAVE communication was designed and performance of the antenna was verificated by communication experiment between vehicles. In order to design the vehicular indoor antenna, a received power of -98dBm should be measured within a minimum of 500m, and the possibility was shown by using simulation. In addition, the effect of between the vehicular glass and the antenna was analyzed by using simulation, and the optimal distance and glass of available tilt were selected. WAVE antenna was designed and measured for vehicular communication experiment. Using the designed monopole patch antenna, we was searched minimum radiation gains in forward and backward communication and measured indoor vehicular loss. The antenna with the bi-directional asymmetric characteristic pattern has a radiation gain of 0.5dBi to 0° and 6.7dBi to 180°, and the received power is very similar in forward and backward communication, and recevied power of -67dBm is measured at distance of 1km. The experimental result of the final designed antenna shows that the performance is satisfied with the antenna for vehicular indoor equipped.