Study on the User Density Identification via Improved Whale Optimization Algorithm in Device-to-Device Communication

Table 4

Accuracy of different algorithms.

Algorithm	Estimated D2D number	Real D2D number	Accuracy (%)
Proposed algorithm	230	230	99.91
	278	284	97.90
	310	320	97.02
	372	370	99.44
Random distribution	205	230	89.13
	254	284	89.44
	275	320	85.94
	332	370	89.73
Heuristic distribution	224	230	97.39
	268	284	94.37
	293	320	91.56
	355	370	95.95
Geometric programming resource allocation	225	230	97.83
	273	284	96.13
	305	320	95.13
	362	370	97.84