diff --git a/examples/platforms/simulation/radio.c b/examples/platforms/simulation/radio.c
index 3f8e5409a..93f2283d8 100644
--- a/examples/platforms/simulation/radio.c
+++ b/examples/platforms/simulation/radio.c
@@ -144,9 +144,9 @@ static bool sRadioCoexEnabled = true;
 
 otRadioCaps gRadioCaps =
 #if OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2
-    OT_RADIO_CAPS_TRANSMIT_SEC;
+    OT_RADIO_CAPS_ALT_SHORT_ADDR | OT_RADIO_CAPS_TRANSMIT_SEC;
 #else
-    OT_RADIO_CAPS_NONE;
+    OT_RADIO_CAPS_ALT_SHORT_ADDR;
 #endif
 
 static otRadioContext sRadioContext;
@@ -417,6 +417,10 @@ void platformRadioInit(void)
     sTransmitFrame.mPsdu = sTransmitMessage.mPsdu;
     sAckFrame.mPsdu      = sAckMessage.mPsdu;
 
+    sRadioContext.mCslShortAddress       = OT_RADIO_INVALID_SHORT_ADDR;
+    sRadioContext.mShortAddress          = OT_RADIO_INVALID_SHORT_ADDR;
+    sRadioContext.mAlternateShortAddress = OT_RADIO_INVALID_SHORT_ADDR;
+
 #if OPENTHREAD_CONFIG_MAC_HEADER_IE_SUPPORT
     sTransmitFrame.mInfo.mTxInfo.mIeInfo = &sTransmitIeInfo;
 #else
diff --git a/examples/platforms/utils/mac_frame.cpp b/examples/platforms/utils/mac_frame.cpp
index 91e88880e..c2e0ef5eb 100644
--- a/examples/platforms/utils/mac_frame.cpp
+++ b/examples/platforms/utils/mac_frame.cpp
@@ -108,12 +108,14 @@ bool otMacFrameDoesAddrMatchAny(const otRadioFrame *aFrame,
     switch (frameInfo.mAddrs.mDestination.GetType())
     {
     case Mac::Address::kTypeShort:
-        VerifyOrExit(frameInfo.mAddrs.mDestination.GetShort() == Mac::kShortAddrBroadcast ||
-                         frameInfo.mAddrs.mDestination.GetShort() == aShortAddress ||
-                         (aAltShortAddress != Mac::kShortAddrInvalid &&
-                          frameInfo.mAddrs.mDestination.GetShort() == aAltShortAddress),
+    {
+        Mac::ShortAddress dstAddr = frameInfo.mAddrs.mDestination.GetShort();
+
+        VerifyOrExit(dstAddr != Mac::kShortAddrInvalid, rval = false);
+        VerifyOrExit(dstAddr == Mac::kShortAddrBroadcast || dstAddr == aShortAddress || dstAddr == aAltShortAddress,
                      rval = false);
         break;
+    }
 
     case Mac::Address::kTypeExtended:
         VerifyOrExit(frameInfo.mAddrs.mDestination.GetExtended() == *static_cast<const Mac::ExtAddress *>(aExtAddress),
diff --git a/tests/nexus/platform/nexus_radio.cpp b/tests/nexus/platform/nexus_radio.cpp
index 4d49220ee..606754e52 100644
--- a/tests/nexus/platform/nexus_radio.cpp
+++ b/tests/nexus/platform/nexus_radio.cpp
@@ -42,7 +42,7 @@ extern "C" {
 otRadioCaps otPlatRadioGetCaps(otInstance *aInstance)
 {
     OT_UNUSED_VARIABLE(aInstance);
-    return OT_RADIO_CAPS_TRANSMIT_SEC;
+    return OT_RADIO_CAPS_TRANSMIT_SEC | OT_RADIO_CAPS_ALT_SHORT_ADDR;
 }
 
 int8_t otPlatRadioGetReceiveSensitivity(otInstance *aInstance)
@@ -65,18 +65,13 @@ void otPlatRadioSetPanId(otInstance *aInstance, otPanId aPanId) { AsNode(aInstan
 
 void otPlatRadioSetExtendedAddress(otInstance *aInstance, const otExtAddress *aExtAddress)
 {
-    Radio &radio = AsNode(aInstance).mRadio;
-
-    radio.mExtAddress.Set(aExtAddress->m8, Mac::ExtAddress::kReverseByteOrder);
-    AsCoreType(&radio.mRadioContext.mExtAddress).Set(aExtAddress->m8, Mac::ExtAddress::kReverseByteOrder);
+    AsCoreType(&AsNode(aInstance).mRadio.mRadioContext.mExtAddress)
+        .Set(aExtAddress->m8, Mac::ExtAddress::kReverseByteOrder);
 }
 
 void otPlatRadioSetShortAddress(otInstance *aInstance, otShortAddress aShortAddress)
 {
-    Radio &radio = AsNode(aInstance).mRadio;
-
-    radio.mShortAddress               = aShortAddress;
-    radio.mRadioContext.mShortAddress = aShortAddress;
+    AsNode(aInstance).mRadio.mRadioContext.mShortAddress = aShortAddress;
 }
 
 void otPlatRadioSetAlternateShortAddress(otInstance *aInstance, otShortAddress aShortAddress)
@@ -362,19 +357,7 @@ otError otPlatRadioConfigureEnhAckProbing(otInstance         *aInstance,
 //---------------------------------------------------------------------------------------------------------------------
 // Radio
 
-Radio::Radio(void)
-    : mState(kStateDisabled)
-    , mPromiscuous(false)
-    , mSrcMatchEnabled(false)
-    , mMacFrameCounterReset(false)
-    , mChannel(0)
-    , mPanId(0)
-    , mShortAddress(Mac::kShortAddrInvalid)
-{
-    mExtAddress.Clear();
-    ClearAllBytes(mRadioContext);
-    mTxFrame.mInfo.mTxInfo.mIeInfo = &mTxIeInfo;
-}
+Radio::Radio(void) { Reset(); }
 
 void Radio::Reset(void)
 {
@@ -384,13 +367,14 @@ void Radio::Reset(void)
     mMacFrameCounterReset = false;
     mChannel              = 0;
     mPanId                = 0;
-    mShortAddress         = Mac::kShortAddrInvalid;
-    mExtAddress.Clear();
     mSrcMatchShortEntries.Clear();
     mSrcMatchExtEntries.Clear();
     mLinkMetricsEntries.Clear();
     ClearAllBytes(mRadioContext);
-    mTxFrame.mInfo.mTxInfo.mIeInfo = &mTxIeInfo;
+    mRadioContext.mCslShortAddress       = Mac::kShortAddrInvalid;
+    mRadioContext.mShortAddress          = Mac::kShortAddrInvalid;
+    mRadioContext.mAlternateShortAddress = Mac::kShortAddrInvalid;
+    mTxFrame.mInfo.mTxInfo.mIeInfo       = &mTxIeInfo;
 }
 
 Error Radio::ConfigureEnhAckProbing(Mac::ShortAddress      aShortAddress,
@@ -506,11 +490,15 @@ bool Radio::Matches(const Mac::Address &aAddress, Mac::PanId aPanId) const
 
     if (aAddress.IsShort())
     {
-        VerifyOrExit(aAddress.IsBroadcast() || aAddress.GetShort() == mShortAddress);
+        Mac::ShortAddress shortAddr = aAddress.GetShort();
+
+        VerifyOrExit(shortAddr != Mac::kShortAddrInvalid);
+        VerifyOrExit(aAddress.IsBroadcast() || (shortAddr == mRadioContext.mShortAddress) ||
+                     (shortAddr == mRadioContext.mAlternateShortAddress));
     }
     else if (aAddress.IsExtended())
     {
-        VerifyOrExit(aAddress.GetExtended() == mExtAddress);
+        VerifyOrExit(aAddress.GetExtended() == AsCoreType(&mRadioContext.mExtAddress));
     }
 
     if ((aPanId != Mac::kPanIdBroadcast) && (mPanId != Mac::kPanIdBroadcast))
diff --git a/tests/nexus/platform/nexus_radio.hpp b/tests/nexus/platform/nexus_radio.hpp
index 0c7dcef0e..b0c0d0e5c 100644
--- a/tests/nexus/platform/nexus_radio.hpp
+++ b/tests/nexus/platform/nexus_radio.hpp
@@ -96,8 +96,6 @@ struct Radio
     bool                                    mMacFrameCounterReset : 1;
     uint8_t                                 mChannel;
     Mac::PanId                              mPanId;
-    Mac::ShortAddress                       mShortAddress;
-    Mac::ExtAddress                         mExtAddress;
     Frame                                   mTxFrame;
     otRadioIeInfo                           mTxIeInfo;
     otRadioContext                          mRadioContext;