Experimental Investigations of Cochannel Interference Reduction Effect at High Elevation Base Station Using Beam Tilt and Orthogonal Polarization

Table 4

Parameters of regression fitting lines.

(a) V_antenna

Angle (°)	𝐴	𝐵	Range of regression fitting		RZL (m)
			𝑑1 (m)	𝑑2 (m)
0	112.55	24.456	300	630	939
45	86.69	16.708	300	630	636
60	108.52	25.908	300	630	447
90	98.945	24.622	400	630	251

(b) V_tilt_antenna

Angle (°)	𝐴	𝐵	Range of regression fitting		RZL (m)
			𝑑1 (m)	𝑑2 (m)
0	152.81	41.521	200	630	525
45	152.62	43.412	200	630	396
60	153.38	44.744	200	630	345
90	147.71	45.221	200	630	243

(c) H_antenna

Angle (°)	𝐴	𝐵	Range of regression fitting		RZL (m)
			𝑑1 (m)	𝑑2 (m)
0	197.58	59.61	400	630	443
45	124.33	30.13	400	630	637
60	120.69	28.20	400	630	736
90	144.35	36.83	400	630	688

(d) H_tilt_antenna

Angle (°)	𝐴	𝐵	Range of regression fitting		RZL (m)
			𝑑1 (m)	𝑑2 (m)
0	111.12	27.74	200	630	371
45	135.04	34.22	200	630	605
60	138.66	35.01	200	630	664
90	125.22	29.88	200	630	720