diff --git a/src/wifi/model/phy-entity.cc b/src/wifi/model/phy-entity.cc
index ae9e8e773..7cd0bc873 100644
--- a/src/wifi/model/phy-entity.cc
+++ b/src/wifi/model/phy-entity.cc
@@ -1040,6 +1040,22 @@ PhyEntity::GetRxChannelWidth (const WifiTxVector& txVector) const
   return std::min (m_wifiPhy->GetChannelWidth (), txVector.GetChannelWidth ());
 }
 
+void
+PhyEntity::SwitchMaybeToCcaBusy (uint16_t channelWidth)
+{
+  NS_LOG_FUNCTION (this << channelWidth);
+  //We are here because we have received the first bit of a packet and we are
+  //not going to be able to synchronize on it
+  //In this model, CCA becomes busy when the aggregation of all signals as
+  //tracked by the InterferenceHelper class is higher than the CcaBusyThreshold
+  const Time delayUntilCcaEnd = m_wifiPhy->m_interference->GetEnergyDuration (m_wifiPhy->m_ccaEdThresholdW, m_wifiPhy->GetPrimaryBand (channelWidth));
+  if (!delayUntilCcaEnd.IsZero ())
+    {
+      NS_LOG_DEBUG ("Calling SwitchMaybeToCcaBusy for " << delayUntilCcaEnd.As (Time::S));
+      m_state->SwitchMaybeToCcaBusy (delayUntilCcaEnd);
+    }
+}
+
 uint64_t
 PhyEntity::ObtainNextUid (const WifiTxVector& /* txVector */)
 {
diff --git a/src/wifi/model/phy-entity.h b/src/wifi/model/phy-entity.h
index 3ea9552c4..b72b50452 100644
--- a/src/wifi/model/phy-entity.h
+++ b/src/wifi/model/phy-entity.h
@@ -440,6 +440,16 @@ public:
    */
   virtual uint16_t GetRxChannelWidth (const WifiTxVector& txVector) const;
 
+  /**
+   * Check if PHY state should move to CCA busy state based on current
+   * state of interference tracker.  In this model, CCA becomes busy when
+   * the aggregation of all signals as tracked by the InterferenceHelper
+   * class is higher than the CcaEdThreshold
+   *
+   * \param channelWidth the channel width in MHz used for RSSI measurement
+   */
+  virtual void SwitchMaybeToCcaBusy (uint16_t channelWidth);
+
   /**
    * This function is called by SpectrumWifiPhy to send
    * the PPDU while performing amendment-specific actions.
diff --git a/src/wifi/model/wifi-phy.cc b/src/wifi/model/wifi-phy.cc
index 5446156d8..278c86469 100644
--- a/src/wifi/model/wifi-phy.cc
+++ b/src/wifi/model/wifi-phy.cc
@@ -1888,16 +1888,7 @@ void
 WifiPhy::SwitchMaybeToCcaBusy (uint16_t channelWidth)
 {
   NS_LOG_FUNCTION (this << channelWidth);
-  //We are here because we have received the first bit of a packet and we are
-  //not going to be able to synchronize on it
-  //In this model, CCA becomes busy when the aggregation of all signals as
-  //tracked by the InterferenceHelper class is higher than the CcaBusyThreshold
-  Time delayUntilCcaEnd = m_interference->GetEnergyDuration (m_ccaEdThresholdW, GetPrimaryBand (channelWidth));
-  if (!delayUntilCcaEnd.IsZero ())
-    {
-      NS_LOG_DEBUG ("Calling SwitchMaybeToCcaBusy for " << delayUntilCcaEnd.As (Time::S));
-      m_state->SwitchMaybeToCcaBusy (delayUntilCcaEnd);
-    }
+  GetPhyEntity (m_standard)->SwitchMaybeToCcaBusy (channelWidth);
 }
 
 void