use same frequencies and bandwidths for interferers

This commit is contained in:
2026-04-26 11:58:34 -07:00
parent e19e9870d7
commit 57a89d93d5
2 changed files with 26 additions and 1 deletions
+2
View File
@@ -15,6 +15,8 @@ function [SINR, SNR] = sensorPerformance(obj, agentPos, targetPos, otherSensorsP
[d, t, a] = obj.computePointToPoints(agentPos, targetPos); [d, t, a] = obj.computePointToPoints(agentPos, targetPos);
% Performance is measured as SINR for this sensor % Performance is measured as SINR for this sensor
%% TODO: how should interference calculation be modified for
% interference sources with different center frequencies and bandwidths?
S = 10 .^ (0.1 .* obj.RSS(d, t, a)); % Signal S = 10 .^ (0.1 .* obj.RSS(d, t, a)); % Signal
I = zeros(size(d)); % Interference from other agents I = zeros(size(d)); % Interference from other agents
for ii = 1:size(otherSensors, 1) for ii = 1:size(otherSensors, 1)
+24 -1
View File
@@ -48,7 +48,30 @@ classdef test_rfSensor < matlab.unittest.TestCase
altitude = 30; altitude = 30;
otherSensorsPos = [6, -4, -1]; % relative to main sensor otherSensorsPos = [6, -4, -1]; % relative to main sensor
otherSensors = cell(1, 1); otherSensors = cell(1, 1);
otherSensors{1} = tc.testClass; % 2 identical sensors otherSensors{1} = tc.testClass; % One interfering sensor, identical to the main sensor
tc.testClass.plotPerformance(altitude, otherSensorsPos, otherSensors);
end
function plot_SINR_heterogenous_interferers(tc)
% Plot sensor performance with no sources of interference
P_TX = 1e-3; % Transmit power (Watts)
BW = 20e6; % Bandwidth (Hz)
f_c = 2e9; % Center frequency (Hz)
G_RX_dBi = 3; % Receiving Antenna Gain (dBi)
tc.testClass = tc.testClass.initialize(P_TX, BW, f_c, G_RX_dBi);
altitude = 30;
otherSensorsPos = [6, -4, -1; -2, 6, 0]; % relative to main sensor
otherSensors = cell(2, 1);
otherSensors{1} = rfSensor; % two heterogenous interfering sensors
otherSensors{2} = rfSensor;
% Must use same center frequency and bandwidth for interference sources
otherSensors{1} = otherSensors{1}.initialize(10 * P_TX, BW, f_c, G_RX_dBi);
otherSensors{2} = otherSensors{2}.initialize(100 * P_TX, BW, f_c, G_RX_dBi);
tc.testClass.plotPerformance(altitude, otherSensorsPos, otherSensors); tc.testClass.plotPerformance(altitude, otherSensorsPos, otherSensors);