Secured Vertical Handoff between 802.16a and 802.16m for Fourth Generation (4G) Wireless Networks using PKM (Public Key Management)
The modern communication system is aimed to reach the real world one environment from virtual world via connecting resources of one with another through social network system. In Fourth Generation wireless network (4g), increasing demand of wireless networks, to provide seamless and secure handoff has become an important factor in wireless networks. To monitor unauthorized access, modification, misuse and network-accessible resources various provisions and policies are adopted by the network in network security process. Some wireless products have weaker security features so to attain the higher levels of integrity, authenticity, and confidentiality, network security features need to be embedded in the handoff policies.