added more radio metrics

This commit is contained in:
2026-03-09 21:21:45 -07:00
parent cdbfaebc17
commit b09f882369
5 changed files with 66 additions and 16 deletions

View File

@@ -24,16 +24,25 @@ function [f, R] = plotRadioLogs(resultsPath)
R{ii}(bad, :) = [];
end
% Compute path loss from Power (post-processing)
% Power = 20*log10(peak_mag) - rxGain; path loss = txGain - rxGain - Power
txGain_dB = 76; % from startchannelsounderTXGRC.sh GAIN_TX
rxGain_dB = 30; % from startchannelsounderRXGRC.sh GAIN_RX
for ii = 1:numel(R)
R{ii}.PathLoss = txGain_dB - rxGain_dB - R{ii}.Power;
R{ii}.FreqOffset = R{ii}.FreqOffset / 1e6; % Hz to MHz
end
% Build legend labels and color map for up to 4 UAVs
nUAV = numel(R);
colors = lines(nUAV * nUAV);
styles = ["-o", "-s", "-^", "-d", "-v", "-p", "-h", "-<", "->", "-+", "-x", "-*"];
metricNames = ["SNR", "Power", "Quality"];
yLabels = ["SNR (dB)", "Power (dB)", "Quality"];
metricNames = ["SNR", "Power", "Quality", "PathLoss", "NoiseFloor", "FreqOffset"];
yLabels = ["SNR (dB)", "Power (dB)", "Quality", "Path Loss (dB)", "Noise Floor (dB)", "Freq Offset (MHz)"];
f = figure;
tl = tiledlayout(3, 1, 'TileSpacing', 'compact', 'Padding', 'compact');
tl = tiledlayout(numel(metricNames), 1, 'TileSpacing', 'compact', 'Padding', 'compact');
for mi = 1:numel(metricNames)
ax = nexttile(tl);

View File

@@ -4,19 +4,19 @@ function R = readRadioLogs(logPath)
end
arguments (Output)
R (:, 6) table;
R (:, 8) table;
end
% Extract receiving UAV ID from directory name (e.g. "uav0_..." 0)
[~, dirName] = fileparts(logPath);
rxID = int32(sscanf(dirName, 'uav%d'));
metrics = ["quality", "snr", "power"];
metrics = ["quality", "snr", "power", "noisefloor", "freqoffset"];
logs = dir(logPath);
logs = logs(endsWith({logs(:).name}, metrics + "_log.txt"));
R = table(datetime.empty(0,1), zeros(0,1,'int32'), zeros(0,1,'int32'), zeros(0,1), zeros(0,1), zeros(0,1), ...
'VariableNames', ["Timestamp", "TxUAVID", "RxUAVID", "SNR", "Power", "Quality"]);
R = table(datetime.empty(0,1), zeros(0,1,'int32'), zeros(0,1,'int32'), zeros(0,1), zeros(0,1), zeros(0,1), zeros(0,1), zeros(0,1), ...
'VariableNames', ["Timestamp", "TxUAVID", "RxUAVID", "SNR", "Power", "Quality", "NoiseFloor", "FreqOffset"]);
for ii = 1:numel(logs)
filepath = fullfile(logs(ii).folder, logs(ii).name);
@@ -43,13 +43,15 @@ function R = readRadioLogs(logPath)
val = data{3};
n = numel(ts);
t = table(ts, txId, repmat(rxID, n, 1), NaN(n,1), NaN(n,1), NaN(n,1), ...
'VariableNames', ["Timestamp", "TxUAVID", "RxUAVID", "SNR", "Power", "Quality"]);
t = table(ts, txId, repmat(rxID, n, 1), NaN(n,1), NaN(n,1), NaN(n,1), NaN(n,1), NaN(n,1), ...
'VariableNames', ["Timestamp", "TxUAVID", "RxUAVID", "SNR", "Power", "Quality", "NoiseFloor", "FreqOffset"]);
switch metric
case "snr", t.SNR = val;
case "power", t.Power = val;
case "quality", t.Quality = val;
case "snr", t.SNR = val;
case "power", t.Power = val;
case "quality", t.Quality = val;
case "noisefloor", t.NoiseFloor = val;
case "freqoffset", t.FreqOffset = val;
end
R = [R; t]; %#ok<AGROW>

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@@ -1,5 +1,5 @@
%% Plot AERPAW logs (trajectory, radio)
resultsPath = fullfile(matlab.project.rootProject().RootFolder, "sandbox", "t1"); % Define path to results copied from AERPAW platform
resultsPath = fullfile(matlab.project.rootProject().RootFolder, "sandbox", "t2"); % Define path to results copied from AERPAW platform
% Plot GPS logged data and scenario information (domain, objective, obstacles)
seaToGroundLevel = 110; % measured approximately from USGS national map viewer