{HEAD ~ The method} can simplify the signaling interaction between the network entities, reduce the network complexity and save {TAIL ~ the network resources} 
{ HEAD ~ The method } can simplify the signaling interaction between the network entities , reduce the network complexity and save { TAIL ~ the network resources }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL