Efficient Placement of an Aerial Relay Drone for Throughput Maximization

Table 2

Simulation results for the proposed algorithms within a subarea

Step	Algorithm	Efficient UAV placement	Total path loss UAV to users (dB)	GBs-to-UAV backhaul path loss (dB)	Average sum rate	CtU average rate	Num. of served users
1	Eq. power distr.; Water-filling; Mod. Water-Filling	(0, 498.4, 442)	3751.18	102.99	424.3; 693.2; 693.2	957.1	100; 20; 100
2	Eq. power distr.; Water-filling; Mod. water-filling	(500, 502.3, 271.9)	3349.29	99.061	550.4; 779.5; 774.4	1089	100; 28; 100
3	Eq. power distr.; Water-filling; Mod. water-filling	(1000, 494.8, 429.5)	3727.80	106.22	417.5; 699.3; 685	959.8	100; 19; 100
4	Eq. power distr.; Water-filling; Mod. water-filling	(1500, 499.1, 706.6)	4183.68	115.25	269.2; 527.9; 500.7	674.5	100; 13; 100
5	Eq. power distr.; Water-filling; Mod. water-filling	(2000, 491.7, 997.2)	4503.21	122.67	170.5; 423; 381.6	434.7	100; 11; 100
6	Eq. power distr.; Water-filling; Mod. water-filling	(3000, 493.5, 1000)	5281.48	123.0	27.52; 300.1; 52.2	408.6	100; 4; 100
7	Eq. power distr.; Water-filling; Mod. water-filling	(4000, 500, 1000)	6227.37	123.90	0.41; 52.12; 0.41	418.8	27; 3; 27
8	Eq. power distr.; Water-filling; Mod. water-filling	(5000, 500, 1000)	6801.04	125.56	0.02; 4.48; 0.02	519.2	0; 2; 0
9	Eq. power distr.; Water-filling; Mod. water-filling	(6000, 499, 1000)	7123.16	124.89	0.004; 0.74; 0.004	801.9	0; 1; 0
10	Eq. power distr.; Water-filling; Mod. water-filling	(7000, 496.8, 1000)	7317.82	117.35	0.0016; 0.26; 0.0016	1809	0; 1; 0