wifi: Fix GetChannelWidthForTransmission for 802.11b DSSS

2018-03-03 22:34:30 +01:00
parent 2597caf7d4
commit a493688ed7
1 changed files with 6 additions and 0 deletions
--- a/src/wifi/model/wifi-remote-station-manager.cc
+++ b/src/wifi/model/wifi-remote-station-manager.cc
@@ -827,6 +827,12 @@ WifiRemoteStationManager::GetChannelWidthForTransmission (WifiMode mode, uint8_t
      NS_LOG_LOGIC ("Channel width reduced to 20 MHz");
      return 20;
    }
+  //at 2.4 GHz basic rate can be non-ERP DSSS
+  if (modulationClass == WifiModulationClass::WIFI_MOD_CLASS_DSSS
+      || modulationClass == WifiModulationClass::WIFI_MOD_CLASS_HR_DSSS)
+    {
+      return 22;
+    }
  return maxSupportedChannelWidth;
 }