한국철도학회:학술대회논문집 (Proceedings of the KSR Conference)
- 한국철도학회 2011년도 정기총회 및 추계학술대회 논문집
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- Pages.1008-1013
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- 2011
18GHz 다중통신을 위한 OFDM송수신 모듈의 데이터 전송특성 시험
A Test on Wireless Performance of OFDM Transceiver for Multiple Access at 18GHz
- 발행 : 2011.10.20
초록
The importance of broadband wireless communication system at subway tunnels is growing up. At 18GHz wireless video transmission system, the transmitter requires a digital modulation method. At subway tunnel, A 18GHz's influence of the multi-pass padding is strong. OFDM digital modulation that is strong for multi-pass padding is recommended. Duplexing methode uses FDD to transmit and receive broadband data at the same time. In the case of FDD we assign a private use channel each with the transmission at the receiving. In this paper, We implement multiple access wireless OFDM transceiver. We verified that one ground transceiver communicates with two car transceiver at the same time.
키워드