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학술지 High Speed and Low Latency Passive Optical Network for 5G Wireless Systems
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저자
김광옥, 두경환, 이한협, 김승환, 박혁, 오정열, 정환석
발행일
201906
출처
IEEE/OSA Journal of Lightwave Technology, v.37 no.12, pp.2873-2882
ISSN
0733-8724
출판사
Optical Society of America (OSA)
DOI
https://dx.doi.org/10.1109/JLT.2018.2866805
협약과제
18HH2200, SDN 기반 유무선 액세스 통합 광네트워킹 기술, 정환석
초록
To meet the latency and bandwidth requirements of 5G mobile services and next-generation residential/business services, we present high speed and low-latency passive optical network (PON) enabled by time controlled-tactile optical access (TIC-TOC) technology. The TIC-TOC technology could support bandwidth-intensive as well as low-latency services for 5G mobile network by using channel bonding and low-latency oriented dynamic bandwidth allocation (DBA). In order to confirm the technical feasibility of TIC-TOC, FPGA-based OLT and multi-speed ONU prototypes are implemented. We experimentally demonstrate the real-time packet transmission up to 50 Gb/s without packet loss during 48-hour through the channel bonding in a single optical distribution network (ODN) with 20 km reach and 1:64 split ratio. Less than 400 μs latency for 5G mobile services is also demonstrated. Furthermore, we confirm that total throughput could be expanded up to 100 Gb/s by adding more channels.
키워드
50 Gb/s PON, Channel bonding, low-latency DBA, multilane-based PON, NG-EPON
KSP 제안 키워드
100 Gb/s, 50 GB, 5G mobile network, 5G wireless, Channel bonding, Distribution network(DN), High Speed, Low latency, Mobile services, Multi-speed, NG-EPON