A Low Complexity Near-Optimal MIMO Antenna Subset Selection Algorithm for Capacity Maximisation

Table 4

Variation of outage capacity with 𝐿_𝑅 for 𝑀_𝑇=𝑀_𝑅=16.

No. of ant.	Capacity by Ghar-Gersh in bps/Hz	Capacity by Molisch in bps/Hz	Capacity by Proposed one in bps/Hz	Increase of Ghar-Gersh real flops over the proposed as; a per cent of the proposed
				Complex	Real
1	7.01	7.01	7.01	0.0	0.0
2	13.85	13.25	13.79	−55.5	−56.7
3	20.59	19.55	20.43	−21.9	−25.6
4	27.09	25.76	26.88	11.8	4.7
5	33.44	31.88	33.13	45.5	34.3
6	39.68	37.79	39.25	79.1	63.2
7	45.70	43.63	45.10	112.8	91.4
8	51.54	49.31	50.75	146.4	118.9
9	57.02	54.74	56.16	180.1	145.6
10	62.43	59.90	61.34	213.7	171.6
11	67.48	64.87	66.37	247.4	196.9
12	72.07	69.66	70.87	281.0	221.5
13	76.40	74.10	75.21	314.7	245.4
14	80.12	78.22	79.10	348.3	268.5
15	83.03	81.90	82.28	382.0	290.9
16	85.36	85.36	85.36	—	—