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학술지 Demonstration of IFoF-Based Mobile Fronthaul in 5G Prototype With 28-GHz Millimeter wave
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저자
성민규, 조승현, 김준영, 이준기, 이종현, 정환석
발행일
201801
출처
IEEE/OSA Journal of Lightwave Technology, v.36 no.2, pp.601-609
ISSN
0733-8724
출판사
IEEE, OSA
DOI
https://dx.doi.org/10.1109/JLT.2017.2763156
협약과제
17MH1300, 5G 이동통신을 위한 아날로그 IFoF기반 Indoor DAS 기술 개발, 이종현
초록
In this study, we demonstrate the intermediate-frequency-over-fiber (IFoF) based mobile fronthaul technology implemented in a 28-GHz millimeter-wave (mmWave) based 5G prototype supporting Giga-bit mobile broadband services. In order to confirm the technical feasibility of the proposed IFoF-based mobile fronthaul, the clock signal for frequency synchronization and mobile payload data are simultaneously transmitted in the form of IF carriers. Phase noise and error vector magnitude measurements were performed on separate and simultaneous clock transmission paths, respectively. The results confirm an acceptable impact on performance, and the simultaneous clock transmission method reduces system costs and complexity, and improves the flexibility and efficiency of wavelength operation. We also successfully demonstrate the operation of real-Time Giga-bit mobile services such as 4K video streaming over IFoF-based mobile fronthaul for 5G prototypes with a 28-GHz mmWave. The achieved peak data-rate per user is up to 1.5 Gb/s, which complies with the requirements of the 5G vision of IMT-2020.
키워드
5G, Intermediate-frequency-over-fiber, mobile fronthaul
KSP 제안 키워드
4K video, Broadband Services, Mobile Broadband, Mobile fronthaul, Mobile services, Real-Time, Technical feasibility, clock signal, data rate, error vector magnitude, frequency synchronization