diff --git a/src/ranap/RANAP_MessageStructure.c b/src/ranap/RANAP_MessageStructure.c
new file mode 100644
index 0000000..e41b0da
--- /dev/null
+++ b/src/ranap/RANAP_MessageStructure.c
@@ -0,0 +1,135 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RANAP-IEs"
+ * 	found in "../../asn1/ranap/RANAP-IEs.asn"
+ */
+
+#include "RANAP_MessageStructure.h"
+
+static asn_per_constraints_t asn_PER_type_RANAP_MessageStructure_constr_1 GCC_NOTUSED = {
+	{ APC_UNCONSTRAINED,	-1, -1,  0,  0 },
+	{ APC_CONSTRAINED,	 8,  8,  1l,  256l }	/* (SIZE(1..256)) */,
+	0, 0	/* No PER value map */
+};
+static asn_TYPE_member_t asn_MBR_Member_2[] = {
+	{ ATF_NOFLAGS, 0, offsetof(struct Member, iE_ID),
+		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_ProtocolIE_ID,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"iE-ID"
+		},
+	{ ATF_POINTER, 2, offsetof(struct Member, repetitionNumber),
+		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_RepetitionNumber1,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"repetitionNumber"
+		},
+	{ ATF_POINTER, 1, offsetof(struct Member, iE_Extensions),
+		(ASN_TAG_CLASS_CONTEXT | (2 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_IE_Extensions,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"iE-Extensions"
+		},
+};
+static const int asn_MAP_Member_oms_2[] = { 1, 2 };
+static const ber_tlv_tag_t asn_DEF_Member_tags_2[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
+};
+static const asn_TYPE_tag2member_t asn_MAP_Member_tag2el_2[] = {
+    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 0, 0, 0 }, /* iE-ID */
+    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 1, 0, 0 }, /* repetitionNumber */
+    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 2, 0, 0 } /* iE-Extensions */
+};
+static asn_SEQUENCE_specifics_t asn_SPC_Member_specs_2 = {
+	sizeof(struct Member),
+	offsetof(struct Member, _asn_ctx),
+	asn_MAP_Member_tag2el_2,
+	3,	/* Count of tags in the map */
+	asn_MAP_Member_oms_2,	/* Optional members */
+	2, 0,	/* Root/Additions */
+	2,	/* Start extensions */
+	4	/* Stop extensions */
+};
+static /* Use -fall-defs-global to expose */
+asn_TYPE_descriptor_t asn_DEF_Member_2 = {
+	"SEQUENCE",
+	"SEQUENCE",
+	SEQUENCE_free,
+	SEQUENCE_print,
+	SEQUENCE_constraint,
+	SEQUENCE_decode_ber,
+	SEQUENCE_encode_der,
+	SEQUENCE_decode_xer,
+	SEQUENCE_encode_xer,
+	SEQUENCE_decode_uper,
+	SEQUENCE_encode_uper,
+	SEQUENCE_decode_aper,
+	SEQUENCE_encode_aper,
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_Member_tags_2,
+	sizeof(asn_DEF_Member_tags_2)
+		/sizeof(asn_DEF_Member_tags_2[0]), /* 1 */
+	asn_DEF_Member_tags_2,	/* Same as above */
+	sizeof(asn_DEF_Member_tags_2)
+		/sizeof(asn_DEF_Member_tags_2[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	asn_MBR_Member_2,
+	3,	/* Elements count */
+	&asn_SPC_Member_specs_2	/* Additional specs */
+};
+
+static asn_TYPE_member_t asn_MBR_RANAP_MessageStructure_1[] = {
+	{ ATF_POINTER, 0, 0,
+		(ASN_TAG_CLASS_UNIVERSAL | (16 << 2)),
+		0,
+		&asn_DEF_Member_2,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		""
+		},
+};
+static const ber_tlv_tag_t asn_DEF_RANAP_MessageStructure_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
+};
+static asn_SET_OF_specifics_t asn_SPC_RANAP_MessageStructure_specs_1 = {
+	sizeof(struct RANAP_MessageStructure),
+	offsetof(struct RANAP_MessageStructure, _asn_ctx),
+	0,	/* XER encoding is XMLDelimitedItemList */
+};
+asn_TYPE_descriptor_t asn_DEF_RANAP_MessageStructure = {
+	"RANAP_MessageStructure",
+	"RANAP_MessageStructure",
+	SEQUENCE_OF_free,
+	SEQUENCE_OF_print,
+	SEQUENCE_OF_constraint,
+	SEQUENCE_OF_decode_ber,
+	SEQUENCE_OF_encode_der,
+	SEQUENCE_OF_decode_xer,
+	SEQUENCE_OF_encode_xer,
+	SEQUENCE_OF_decode_uper,
+	SEQUENCE_OF_encode_uper,
+	SEQUENCE_OF_decode_aper,
+	SEQUENCE_OF_encode_aper,
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_RANAP_MessageStructure_tags_1,
+	sizeof(asn_DEF_RANAP_MessageStructure_tags_1)
+		/sizeof(asn_DEF_RANAP_MessageStructure_tags_1[0]), /* 1 */
+	asn_DEF_RANAP_MessageStructure_tags_1,	/* Same as above */
+	sizeof(asn_DEF_RANAP_MessageStructure_tags_1)
+		/sizeof(asn_DEF_RANAP_MessageStructure_tags_1[0]), /* 1 */
+	&asn_PER_type_RANAP_MessageStructure_constr_1,
+	asn_MBR_RANAP_MessageStructure_1,
+	1,	/* Single element */
+	&asn_SPC_RANAP_MessageStructure_specs_1	/* Additional specs */
+};
+