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full simulation with RF sensors

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This commit is contained in:
Kevin Dee
2026-05-08 13:07:03 -07:00
parent 030dd30c7d
commit 78f9dcd579
12 changed files with 312 additions and 87 deletions
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@rfSensor/RSS.m
+18 -9
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@@ -1,15 +1,24 @@
function value = RSS(obj, d, t, a)
function value = RSS(obj, d, dx, dy, dz)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
d (:, 1) double; % distance from agent to target
t (:, 1) double; % LOS tilt angle
a (:, 1) double; % LOS azimuth angle
d (:, 1) double;
dx (:, 1) double;
dy (:, 1) double;
dz (:, 1) double;
end
arguments (Output)
value (:, 1) double
end
assert(size(d, 1) == size(t, 1), "Mismatch in number of distances (%d) and tilts (%d) provided", size(d, 1), size(t, 1));
% RSS (dBm) = TX Power (dBm) + TX Antenna Gain (dBi) + RX Antenna Gain (dBi) - Path Loss (dB)
value = obj.P_TX_dBm + obj.transmitterGain(t, a) + obj.G_RX_dBi - obj.pathLoss(d);
end
% Boresight unit vector: [st*sa, st*ca, -ct]
% Target direction unit vector: [dx, dy, dz] / d
% cos_theta = dot product of the two, computed without per-point trig.
st = sind(obj.tilt);
ct = cosd(obj.tilt);
sa = sind(obj.azimuth);
ca = cosd(obj.azimuth);
cos_theta = (st .* (dx .* sa + dy .* ca) - ct .* dz) ./ max(d, eps);
cos_theta = max(-1, min(1, cos_theta));
theta = acosd(cos_theta);
gain = 10 .* obj.beamwidthExponent .* log10((1 + cosd(theta)) ./ 2);
value = obj.P_TX_dBm + gain + obj.G_RX_dBi - obj.pathLoss(d);
end