i think that this is nearly the beginning of task 1

2026-06-03 19:46:31 +02:00
parent 4395bbe0b1
commit 78b271247c
7 changed files with 200 additions and 0 deletions
@@ -0,0 +1,75 @@
+function [cfgEHT, simParameters, channel, chInfo, maxChDelay, satelliteDopplerShift, chanBW] = create_baseline_configuration(profile, ...
+                                     bandwidth_mhz, ...
+                                     include_free_space_pathloss, ...
+                                     delay_model, ...
+                                     carrier_frequency, ...
+                                     elevation_angle, ...
+                                     mobile_speed, ...
+                                     mobile_altitude, ...
+                                     satellite_altitude, ...
+                                     random_stream, ...
+                                     seed, ...
+                                     tx_antenna_count, ...
+                                     rx_antenna_count, ...
+                                     apep, ...
+                                     mcs)
+
+    switch bandwidth_mhz
+        case 20
+            chanBW = 'CBW20';
+        case 40
+            chanBW = 'CBW40';
+        case 80
+            chanBW = 'CBW80';
+        case 160
+            chanBW = 'CBW160';
+        case 320
+            chanBW = 'CBW320';
+        otherwise
+            error("Not supported bandwidth!");
+    end
+    
+    cfgEHT = wlanEHTMUConfig(chanBW);
+    cfgEHT.User{1}.APEPLength = apep;
+    cfgEHT.NumTransmitAntennas = tx_antenna_count;
+    cfgEHT.User{1}.NumSpaceTimeStreams = 1;
+    cfgEHT.User{1}.MCS = mcs;
+    fs = wlanSampleRate(chanBW);
+
+    simParameters.IncludeFreeSpacePathLoss = include_free_space_pathloss;
+    simParameters.DelayModel = delay_model;
+    simParameters.CarrierFrequency = carrier_frequency;
+    simParameters.ElevationAngle = elevation_angle;
+    simParameters.MobileSpeed = mobile_speed;
+    simParameters.MobileAltitude = mobile_altitude;
+    simParameters.SatelliteAltitude = satellite_altitude;
+    simParameters.SampleRate = fs;
+    simParameters.RandomStream = random_stream;
+    simParameters.Seed = seed;
+    simParameters.NumTransmitAntennas = tx_antenna_count;
+    simParameters.NumReceiveAntennas = rx_antenna_count;
+    
+    simParameters.NTNChannelType = "TDL";
+    simParameters.DelayProfile = "NTN-TDL-" + profile;
+    simParameters.DelaySpread = 30e-9;
+        
+    c = physconst("lightspeed");
+    satelliteDopplerShift = dopplerShiftCircularOrbit( ...
+        simParameters.ElevationAngle,simParameters.SatelliteAltitude, ...
+        simParameters.MobileAltitude,simParameters.CarrierFrequency);
+    
+    channel = nrTDLChannel;
+    channel.DelayProfile = simParameters.DelayProfile;
+    channel.DelaySpread = simParameters.DelaySpread;
+    channel.SatelliteDopplerShift = satelliteDopplerShift;
+    channel.MaximumDopplerShift = simParameters.MobileSpeed*simParameters.CarrierFrequency/c;
+    channel.NumTransmitAntennas = simParameters.NumTransmitAntennas;
+    channel.NumReceiveAntennas = simParameters.NumReceiveAntennas;
+    
+    channel.SampleRate = simParameters.SampleRate;
+    channel.RandomStream = simParameters.RandomStream;
+    channel.Seed = simParameters.Seed;
+    
+    chInfo = info(channel);
+    maxChDelay = ceil(max(chInfo.PathDelays*channel.SampleRate)) + chInfo.ChannelFilterDelay;
+end