Performance Analyses of the Radio Orbital Angular Momentum Steering Technique Based on Ka-Band Antenna

Table 1

The feeding phases and amplitudes of each patch for different antenna arrays.

Patch	OAM1		OAM2		OAM1_1		OAM2_1
	Phase (	Amp (dB)	Phase (	Amp (dB)	Phase (	Amp (dB)	Phase (	Amp (dB)
1	0	−10.15	0	−10.13	0	−10.4	0	−10.14
2	45 − 0.4	−10.4	90 − 0.2	−10.32	−21.5 + 0.1	−10.1	23.4 − 0.6	−10.43
3	−90 + 0.4	−10.34	180 + 0.2	−10.46	−28	−10.4	62 − 0.6	−10.37
4	−45 − 0.3	−9.98	−90 − 0.2	−10.03	−94.5 − 0.5	−10.1	40.4 + 4	−10.13
5	0	−10.15	180 − 0.6	−9.94	−173 + 0.2	−9.9	−6.8	−10.06
6	45 − 0.4	−10.4	−90 + 0.5	−10.33	−75.3 − 0.2	−10.4	149.7 + 0.2	−10.43
7	−90 + 0.4	−10.34	180 − 0.6	−10.35	21.1	−10.4	−68.9 + 0.2	−10.5
8	−45 − 0.3	−9.98	−90 + 0.1	−9.96	177.7 − 0.2	−10.2	132.7 − 0.3	−9.85