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Table 6 Summary of small cell backhaul solutions [34]

From: Small cell backhaul: challenges and prospective solutions

Backhaul Sub-6 GHz PtMP Microwave PtMP E-band PtP Hybrid I/II
Small cells 23 23 23 23
New nodes 0 9 10 3
Max agg. nodes 14 14 4 12/6
Total antennas/gain 25 45 66 34/43
TCO (K$)/overhead 67.5 (0×) 232 (3.44×) 396 (5.87×) 126 (1.87×)/ 206 (3.05×)
Min peak rate (Mbps)/gain 89 (0×) 357 (4.0×) 2000 (22.5×) 250 (2.8×)/ 250 (2.8×)
Average peak rate (Mbps)/gain 108 (0×) 434 (4.0×) 2000 (18.5×) 330 (3.0×)/ 486 (4.5×)
Average cost efficiency/gain 0.62 (0×) 0.53 (1.17×) 0.19 (3.26×) 0.38 (1.63×)/ 0.42 (1.47×)
Peak cost efficiency/gain 0.62 (0×) 1.16 (0.53×) 1.98 (0.31×) 0.63 (1.0×)/ 1.03 (0.60×)