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Table 4 CPLEX analysis results, details over an instance

From: Scheduling M2M traffic over LTE uplink of a dense small cell network

Models Unified 1st step 2nd step 3rd step
Obj value 863589.9274 8640 39 20.0726
No. of branches 19 10 13 18
Red. variables 1158 1158 1158 1158
Pre-solve time (s) 0.2 0.2 0.2 0.1
Total time (s) 0.06 0.19 0.09 0.08