2020 Fiscal Year Annual Research Report
Novel fronthaul technology for massive and ultra-dense radio access networks
| Project/Area Number |
18K04156
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| Research Institution | National Institute of Information and Communications Technology |
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Principal Investigator |
PHAM TIENDAT 国立研究開発法人情報通信研究機構, ネットワークシステム研究所ネットワーク基盤研究室, 主任研究員 (50636321)
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| Co-Investigator(Kenkyū-buntansha) |
梅沢 俊匡 国立研究開発法人情報通信研究機構, ネットワークシステム研究所ネットワーク基盤研究室, 主任研究員 (20636047)
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| Project Period (FY) |
2018-04-01 – 2021-03-31
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| Keywords | radio over fiber / mobile fronthaul / fiber radio / optical communications |
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| Outline of Annual Research Achievements |
We demonstrated a 3 × 3 full multiple-input multiple-output (MIMO) fiber-wireless system at 88 GHz with wavelength-division multiplexing (WDM) and polarization-division multiplexing (PDM) radio-over-fiber (RoF) transmission capability. We experimentally demonstrated satisfactory performances for a 3 × 3 MIMO offset quadrature amplitude modulation-based filter-bank multicarrier signal. Total capacities of approximately 110 and 132 Gb/s were achieved for the system using antennas placed in the same and alternately different polarizations, respectively. The system can provide a scalable solution for facilitating large-scale MIMO signal transportation. In addition, we demonstrated a 28.8 Gbps RoF and power-over-fiber system using a newly developed high-power integrated photoreceiver at 90-GHz.
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