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Table 10 Comparison of the tree and ring topology

From: Infrastructure planning and topology optimization for reliable mobile big data transmission under cloud radio access networks

Scenario IX X XI
Scheme Tree Ring Tree Ring Tree Ring
Total cost (unit, gcu) 1834.46 2208.12 2436.54 2895.03 3269.07 3890.01
Computing time 2.09 0.34 5.41 0.87 7.65 1.21