Proposal of Simple and Accurate Two-Parametric Approximation for the -Function

Table 1

Average REs and maximum REs for the Q-function approximations from [2–5, 8, 19].

	Average RE	Maximum RE
Ref. [2] Karagiannidis and Lioumpas	4.8618	9.5874
Ref. [3] Jang	5.9325	9.5258
Ref. [4] Fan	4.1279	14.1663
Ref. [5] Chiani et al.	15.9433	29.5985
Ref. [8] upp Abreu	4.0705	10.2645
Ref. [8] low Abreu	12.1816	17.2027
Ref. [19] Nikolić et al.	3.88473	36.50362
Ref. [19] Nikolić et al.	4.68581	40.26311
Ref. [19] Nikolić et al.	2.81822	31.93637