diff --git a/103221-2/TS_103_221_02_Configuration.xsd b/103221-2/TS_103_221_02_Configuration.xsd
new file mode 100644
index 0000000000000000000000000000000000000000..7a3b20024ca4272c4e9c9440822229a64816ca38
--- /dev/null
+++ b/103221-2/TS_103_221_02_Configuration.xsd
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="uri:etsi:li:103221-2:configuration-details:v1" targetNamespace="uri:etsi:li:103221-2:configuration-details:v1" xmlns:etsi104000="uri:etsi:li:104000:xsdns:v1" elementFormDefault="qualified" attributeFormDefault="unqualified">
+    <xs:import namespace= "uri:etsi:li:104000:xsdns:v1"/>   
+    <xs:complexType name="X2ConfigurationDetails">
+        <xs:complexContent>
+            <xs:extension base="etsi104000:ConfigurationDetails">
+                <xs:sequence>
+                    <xs:element name="keepAliveDetails" type="X2KeepAliveDetails"/>
+                </xs:sequence>
+            </xs:extension>
+        </xs:complexContent>
+    </xs:complexType>
+    <xs:complexType name="X3ConfigurationDetails">
+        <xs:complexContent>
+            <xs:extension base="etsi104000:ConfigurationDetails">
+                <xs:sequence>
+                    <xs:element name="keepAliveDetails" type="X3KeepAliveDetails"/>
+                </xs:sequence>
+            </xs:extension>
+        </xs:complexContent>
+    </xs:complexType>
+    <xs:complexType name="X2KeepAliveDetails">
+            <xs:sequence>
+                <xs:element name="keepaliveEnabled" type="xs:boolean"/>
+                <xs:element name="keepaliveTimeP1" type="KeepaliveTimeP1" minOccurs="0"/>
+                <xs:element name="keepaliveTimeP2" type="KeepaliveTimeP2" minOccurs="0"/>
+            </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="X3KeepAliveDetails">
+            <xs:sequence>
+                <xs:element name="keepaliveEnabled" type="xs:boolean"/>
+                <xs:element name="keepaliveTimeP1" type="KeepaliveTimeP1" minOccurs="0"/>
+                <xs:element name="keepaliveTimeP2" type="KeepaliveTimeP2" minOccurs="0"/>
+            </xs:sequence>
+    </xs:complexType>
+  	<xs:simpleType name="KeepaliveTimeP1">
+		<xs:restriction base="xs:integer">
+			<xs:minInclusive value="1"/>
+		</xs:restriction>
+	</xs:simpleType>
+    	<xs:simpleType name="KeepaliveTimeP2">
+		<xs:restriction base="xs:integer">
+			<xs:minInclusive value="1"/>
+		</xs:restriction>
+	</xs:simpleType>
+ </xs:schema>   
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