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The standalone ring-based EPON architecture can be evolved to a 5G backhaul RAN architecture by simply collocating (overlying) the eNBs and the gNB with the ONUs, while capitalizing on existing fiber. gNBs can be deployed using a low-height (2-4 m) antenna mounted on or near the ONU is typically assumed in the 100-300 m range and the gNB-gNB cell inter-site distance (ISD) is assumed to be in the 400-500 m range.
It is further assumed that the gNB are placed around the periphery of existing eNB serving area (> 700 m from the nearest eNB site), thus improving the poor coverage near the eNB perimeter. |
IEEE/ICACT20210195 Slide.07
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