상세정보
학술대회
Experimental Results of Triply Multiplexed Microwave Orbital Angular Momentum Mode Transmission
- 발행일
- 201610
- 출처
- International Conference on Information and Communication Technology Convergence (ICTC) 2016, pp.765-767
- 협약과제
- 16MR2200, (통합)모바일 빅뱅 시대의 주파수 효율 개선 핵심 기술 개발, 최형도
- 초록
- Power and isolation characteristics of triply multiplexed microwave orbital angular momentum (OAM) modes from 3×4 Butler matrix and uniform circular array antenna (UCA) are measured using 25cm diameter Cassegrain reflector. For doubling the transmission distance 0 mode power decreased ~5dB but 짹1 mode power decreased ~10dB and the difference exceed 20dB when the transmission distance is over than 10M. Also the intermodal isolation was more than 12dB at 10M apart and expected above 8dB up to 20M distance if the 0 mode power was controlled for reducing the crosstalk to the 짹1 channel.
- KSP 제안 키워드
- Cassegrain reflector, Mode transmission, Orbital angular momentum mode, Transmission distance, Uniform circular array antenna, butler matrix, intermodal isolation, mode power, transmission power, uniform circular array(UCA)