diff --git a/.nedfolders b/.nedfolders
index d2376c8dc2468667345e78235fc8242630557010..b490062879a716f7dafc4481055d6b3b5cd05b14 100644
--- a/.nedfolders
+++ b/.nedfolders
@@ -3,43 +3,50 @@ src
 -inet.examples.mpls
 -inet.applications.voiptool
 -inet.world.httptools
--inet.nodes.xmipv6
 -inet.applications.dhcp
 -inet.applications.httptools
--inet.networklayer.rsvp_te
 -inet.transport.tcp_lwip
 -inet.networklayer.autorouting.ipv6
 -inet.transport.tcp_nsc
+-inet.examples.inet
+-inet.examples.httptools.direct
+-inet.examples.diffserv
+-inet.networklayer.xmipv6
+-inet.examples.traci_launchd
+-inet.examples.sctp
+-inet.examples.httptools.socket
+-inet.examples.manetrouting
+-inet.examples.emulation
+-inet.networklayer.ted
+-inet.nodes.ipv6
+-inet.networklayer.manetrouting
+-inet.networklayer.icmpv6
+-inet.examples.adhoc
+-inet.nodes.xmipv6
+-inet.networklayer.rsvp_te
 -inet.networklayer.diffserv
 -inet.transport.rtp
--inet.examples.dhcp
 -inet.examples.mobileipv6
+-inet.examples.dhcp
 -inet.nodes.mpls
 -inet.world.traci
--inet.examples.httptools.direct
 -inet.examples.traci
+-inet.examples.ethernet
 -inet.examples.ipv6
--inet.examples.diffserv
--inet.nodes.bgp
 -inet.examples.ospfv2
--inet.networklayer.xmipv6
--inet.examples.traci_launchd
+-inet.nodes.bgp
 -inet.examples.rtp
 -inet.networklayer.ospfv2
--inet.examples.manetrouting
--inet.examples.httptools.socket
+-inet.examples.mobility
 -inet.networklayer.bgpv4
 -inet.applications.traci
 -inet.examples.voiptool
 -inet.networklayer.ipv6tunneling
--inet.networklayer.ted
 -inet.networklayer.ipv6
 -inet.networklayer.ldp
 -inet.nodes.httptools
 -inet.networklayer.mpls
 -inet.examples.bgpv4
--inet.nodes.ipv6
--inet.networklayer.manetrouting
 -inet.applications.rtpapp
--inet.networklayer.icmpv6
 -inet.nodes.ospfv2
+-inet.examples.wireless
diff --git a/src/linklayer/lte/phy/PHY.cc b/src/linklayer/lte/phy/PHY.cc
index fe5aaf6a7b58b9f743514d7901e988341ddd6340..50562e3246cf59f8dfd956c7e3cdab3381d9a791 100644
--- a/src/linklayer/lte/phy/PHY.cc
+++ b/src/linklayer/lte/phy/PHY.cc
@@ -106,6 +106,10 @@ const char *PHY::eventName(int event) {
 #undef CASE
 }
 
+bool PHY::operator<(const reg &l, const reg &r) {
+
+}
+
 void PHY::stateEntered(int category, const cPolymorphic *details) {
     switch(fsm.getState()) {
         case IDLE: {
@@ -149,11 +153,11 @@ void PHY::stateEntered(int category, const cPolymorphic *details) {
             		dlSubframe[i] = NULL;
 
             	dlBuffer = new PHYFramePtr*[nDLsymb * 2];
-            	for (unsigned char l = 0; l < nDLsymb * 2; l++)
+            	for (unsigned char l = 0; l < nDLsymb * 2; l++) {
             		dlBuffer[l] = new PHYFramePtr[nRBsc * nDLrb];
-            	for (unsigned char l = 0; l < nDLsymb * 2; l++)
             		for (unsigned short k = 0; k < nRBsc * nDLrb; k++)
             			dlBuffer[l][k] = NULL;
+            	}
 
                 this->cancelEvent(symbolTimer);
                 this->scheduleAt(simTime(), symbolTimer);
diff --git a/src/linklayer/lte/phy/PHY.h b/src/linklayer/lte/phy/PHY.h
index ce5d744ebb848f62ff08b55dfed8a27a932294bf..a68bae7c66d4a900232ceca1826c86b2de53e622 100644
--- a/src/linklayer/lte/phy/PHY.h
+++ b/src/linklayer/lte/phy/PHY.h
@@ -63,7 +63,15 @@ protected:
     typedef PHYFrame *PHYFramePtr;
     PHYFramePtr **dlBuffer;	// frame[nDLsymb * 2][nRBsc * nDLrb]
 
-    typedef unsigned char reg[k][l];
+    struct reg {
+        unsigned short k;
+        unsigned char l;
+    };
+
+    bool operator<(const reg &l, const reg &r);
+
+    typedef std::map<reg, unsigned char> REGroups;
+    REGroups regs;
 
     cFSM fsm;