Fast Maximum-Likelihood Decoder for Quasi-Orthogonal Space-Time Block Code

Table 2

Average number of additions and multiplications.

# of	16-QAM		64-QAM		256-QAM
	+	×	+	×	+	×
[9]	373	469	1311	1179	5637	4302
[10]	327	437	647	443	1479	1445
[11]	232	308	808	1076	3112	4148
[12]	225	332	225	348	225	364