Impl task1 some part of task2

2026-05-19 21:56:06 +02:00
parent fca31532d1
commit 1561016689
8 changed files with 849 additions and 187 deletions
@@ -0,0 +1,29 @@
+channel_bandwidth = "CBW20"; % 20MHz
+
+rxFrame1 = trace1.iq(:);
+rxFrame2 = trace2.iq(:);
+rxFrame3 = trace3.iq(:);
+rxFrame4 = trace4.iq(:);
+
+function beaconFrames = extractBeaconFrames(rxFrame)
+    beaconFrames = [];
+    searchOffset = 0;
+
+
+    while searchOffset < length(rxFrame)
+        [bitsData, decParams, searchOffset, res] = recoverOFDMBits(rxFrame, searchOffset);
+    
+        if isempty(bitsData)
+            continue;
+        end
+    
+        [cfgMAC, ~, decodeStatus] = wlanMPDUDecode(bitsData, SuppressWarnings=true);
+    
+        if ~decodeStatus && matches(cfgMAC.FrameType, "Beacon")
+            disp("Beacon at " + searchOffset);
+            beaconFrames(end + 1) = cfgMAC;
+        end
+    end
+end
+
+beaconFrames1 = extractBeaconFrames(rxFrame1);