Hello
I know maybe it shouldn't be asked here
But I hope someone who knows can explain it for me
I got IQ data for 4 antennas based on the antenna array want to know how can I do the estimation of aoa
I can understand
Peak Amplitude A = (I²+Q²)½
Phase Angle ϕ = tan⁻¹(Q/I)
I'm not sure how to calculate AoA with the phase obtained from IQ samples
It would be great if you could give an example
IQ sample content : sample[0] = I:-5 Q:-10 sample[1] = I:4 Q:10 sample[2] = I:-4 Q:-11 sample[3] = I:3 Q:10 sample[4] = I:-4 Q:-11 sample[5] = I:3 Q:10 sample[6] = I:-4 Q:-11 sample[7] = I:3 Q:10 sample[8] = I:-3 Q:-11 sample[9] = I:8 Q:16 sample[10] = I:0 Q:-3 sample[11] = I:1 Q:12 sample[12] = I:-1 Q:-12 sample[13] = I:6 Q:17 sample[14] = I:0 Q:-3 sample[15] = I:-2 Q:12 sample[16] = I:1 Q:-11 sample[17] = I:1 Q:17 sample[18] = I:1 Q:-3 sample[19] = I:-4 Q:12 sample[20] = I:4 Q:-11 sample[21] = I:0 Q:18 sample[22] = I:1 Q:-3 sample[23] = I:-6 Q:11 sample[24] = I:5 Q:-10 sample[25] = I:-5 Q:17 sample[26] = I:2 Q:-2 sample[27] = I:-8 Q:10 sample[28] = I:7 Q:-8 sample[29] = I:-7 Q:16 sample[30] = I:2 Q:-2 sample[31] = I:-10 Q:9 sample[32] = I:8 Q:-8 sample[33] = I:-11 Q:14 sample[34] = I:2 Q:-1 sample[35] = I:-11 Q:7 sample[36] = I:9 Q:-6 sample[37] = I:-14 Q:11 sample[38] = I:2 Q:-1 sample[39] = I:-12 Q:4 sample[40] = I:10 Q:-4 sample[41] = I:-15 Q:10 sample[42] = I:2 Q:0 sample[43] = I:-13 Q:2 sample[44] = I:10 Q:-1
φ -0.71883 -0.380506377 -0.507098504 -0.380506377 -0.507098504 -0.380506377 -0.507098504 -0.380506377 -0.380506377 0 -0.862170055 0.141897055 -0.099668652 0 -0.708626272 0.278299659 0 0.278299659 -0.558599315 0.528074448 0.321750554 0.432407776 -0.321750554 0.643501109 0.41822433 0.643501109 -0.110657221 0.927295218 0.507098504 0.832981267 0.110657221 1.076854958 0.862170055 0.982793723 0.218668946 1.227772386 1.063697822 1.227772386 0.35877067 1.428899272 1.19028995 1.292496668 0.785398163 -1.499488862 1.373400767
Also, I refer to https://www.pe0sat.vgnet.nl/sdr/iq-data-explained/
Many thanks to all the helpers
