wifi: Fix wrong channel width when HT, VHT or HE STA receives a legacy PPDU

2019-05-08 22:09:36 +02:00
parent 1e62164705
commit 0adc099679
1 changed files with 2 additions and 1 deletions
--- a/src/wifi/model/wifi-phy.cc
+++ b/src/wifi/model/wifi-phy.cc
@@ -2781,7 +2781,8 @@ WifiPhy::StartReceivePreamble (Ptr<Packet> packet, double rxPowerW, Time rxDurat
          NS_FATAL_ERROR ("Received OFDM 802.11 signal with no SIG field");
          return;
        }
-      txVector.SetChannelWidth (GetChannelWidth ());
+      uint16_t channelWidth = GetChannelWidth ();
+      txVector.SetChannelWidth (channelWidth > 20 ? 20 : channelWidth);
      for (uint8_t i = 0; i < GetNModes (); i++)
        {
          WifiMode mode = GetMode (i);