diff --git a/src/wifi/model/he/he-ppdu.cc b/src/wifi/model/he/he-ppdu.cc
index eb642126a..b61b27f01 100644
--- a/src/wifi/model/he/he-ppdu.cc
+++ b/src/wifi/model/he/he-ppdu.cc
@@ -64,6 +64,7 @@ HePpdu::HePpdu (const WifiConstPsduMap & psdus, const WifiTxVector& txVector, ui
           auto [it, ret] = m_muUserInfos.emplace (heMuUserInfo);
           NS_ABORT_MSG_IF (!ret, "STA-ID " << heMuUserInfo.first << " already present");
         }
+      m_contentChannelAlloc = txVector.GetContentChannelAllocation ();
     }
   SetPhyHeaders (txVector, ppduDuration);
   SetTxPsdFlag (flag);
@@ -273,6 +274,20 @@ HePpdu::SetTxPsdFlag (TxPsdFlag flag)
   m_txPsdFlag = flag;
 }
 
+bool
+HePpdu::IsAllocated (uint16_t staId) const
+{
+  return (m_muUserInfos.find (staId) != m_muUserInfos.cend ());
+}
+
+bool
+HePpdu::IsStaInContentChannel (uint16_t staId, std::size_t channelId) const
+{
+  NS_ASSERT_MSG (channelId < m_contentChannelAlloc.size (), "Invalid content channel ID " << channelId);
+  const auto& channelAlloc = m_contentChannelAlloc.at (channelId);
+  return (std::find (channelAlloc.cbegin (), channelAlloc.cend (), staId) != channelAlloc.cend ());
+}
+
 std::string
 HePpdu::PrintPayload (void) const
 {
diff --git a/src/wifi/model/he/he-ppdu.h b/src/wifi/model/he/he-ppdu.h
index 7873a4bb9..3cc90aa33 100644
--- a/src/wifi/model/he/he-ppdu.h
+++ b/src/wifi/model/he/he-ppdu.h
@@ -223,6 +223,21 @@ public:
    */
   void SetTxPsdFlag (TxPsdFlag flag);
 
+  /**
+   * Check if STA ID is in HE SIG-B Content Channel ID
+   * \param staId STA ID
+   * \param channelId Content Channel ID
+   * \return true if STA ID in content channel ID, false otherwise
+   */
+  bool IsStaInContentChannel (uint16_t staId, size_t channelId) const;
+
+  /**
+   * Check if STA ID is allocated
+   * \param staId STA ID
+   * \return true if allocated, false otherwise
+   */
+  bool IsAllocated (uint16_t staId) const;
+
 protected:
   std::string PrintPayload (void) const override;
   WifiTxVector DoGetTxVector (void) const override;
@@ -254,7 +269,8 @@ protected:
   HeSigHeader m_heSig;   //!< the HE-SIG PHY header
   TxPsdFlag m_txPsdFlag; //!< the transmit power spectral density flag
 
-  WifiTxVector::HeMuUserInfoMap m_muUserInfos; //!< the HE MU specific per-user information (to be removed once HE-SIG-B headers are implemented)
+  WifiTxVector::HeMuUserInfoMap m_muUserInfos;    //!< HE MU specific per-user information (to be removed once HE-SIG-B headers are implemented)
+  ContentChannelAllocation m_contentChannelAlloc; //!< HE SIG-B Content Channel allocation (to be removed once HE-SIG-B headers are implemented)
 }; //class HePpdu
 
 /**