5G sets an ambitious goal of increasing the capacity per area of current 4G network by 1000 fold. Due to the high splitting gain of dense small cells, ultra den
Virtual network embedding problem which is NP-hard is a key issue for implementing software-defined network which is brought about by network virtualization. Co
In IPv6 based MANETs, the neigh-bor discovery enables nodes to self-config-ure and communicate with neighbor nodesthrough autoconfiguration. The Stateless ad-dr
In cognitive radio networks(CRNs), through recruiting secondary user(SU) as friendly jammer, the secrecy rate obtained by primary user(PU) can be improved. Prev