A Novel Access Control and Energy-Saving Resource Allocation Scheme for D2D Communication in 5G Networks

Table 3

The relationship between objective function value and the number of cellular users.

The number of cellular users	Maximizing energy efficiency algorithm	Low complexity algorithm	Reverse polyblock approximation algorithm
4	163.2548	26.1520	19.6916
5	173.0267	28.9304	20.8520
6	184.6074	30.9124	22.5116
7	189.6626	33.0678	24.4384
8	202.8289	36.3616	26.1478
9	213.8672	40.6358	31.4696
10	221.5871	45.4877	36.2362