Efficient Hybrid Iterative Method for Signal Detection in Massive MIMO Uplink System over AWGN Channel

Table 3

Complexity comparison of the proposed detector and other methods at 80 × 120 mMIMO, n = 2.

Number of users	Number of multiplications in algorithms
	Proposed	MMSE	ZF	GS	OCD	CG
76	34,960	6169984	594168	46208	36632	12464
77	35,882	6298292	612689	47432	37114	12782
78	36,816	6428448	631566	48672	37596	13104
79	37,762	6560476	650802	49928	38078	13430
80	38,720	6694400	670400	51200	38560	13760