Distributed Schemes for Crowdsourcing-Based Sensing Task Assignment in Cognitive Radio Networks

Table 2

The approximation gap of sensing effect with .

Algorithm	M
	20	22	24	26	28
Algorithm 1	0.15	0.114	0.092	0.069	0.067
Algorithm 2	0.073	0.073	0.035	0.037	0.032
Algorithm 3	0.074	0.072	0.035	0.035	0.031
Algorithm 4	0.074	0.071	0.035	0.038	0.031