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To summarize the discovered behavior: Modern ONUs exhibit hybrid power-load characteristics. In the Initial Rising Region, from 0 to 200 Mbps, power increases as the ONU activates deeper processing layers like packet scheduling and buffer management. In the Saturation Region, from 300 Mbps to 1 Gbps, power remains nearly flat due to fixed resource allocation. The underlying cause is energy-efficient chipset design, where hardware dynamically scales resources to an optimal point before locking them for efficiency |
IEEE/ICACT20260193 Slide.16
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