A Novel Approach to Reduce Signaling Delay in HMIPv6 mobile Networks

in the new era, changing requirements of users raise the need of next generation wireless networks (NGWN) which can provide efficient and quality of services to users any time any where. 4G wireless networks aim to provide best services, high data rates along with the permission to switch over across heterogeneous networks. In order to reduce signallling and registration delays in basic (MIPv6) networks, a new architecture HMIPv6 is considered. HMIPv6 architecture deals with local registration and global registration depending on the mobility.HMIPv6 architecture divides the mobility into two parts: micro-mobility and macro-mobility. The performance of HMIPv6 networks are immensely effected by selection of MAP that in turn includes selection of various attributes like speed of MN, pattern followed by MN and type of the mobility (micro-mobility and macro-mobility) used by MN. In this paper, these three attributes are considered collectively for the selection of next best MAP in order to optimize various quality of service (QoS) parameters viz. handoff delays, location update cost, packet delivery cost and signaling cost. Proposed scheme encourages service providers to kept track of MNs history and then depending on the history and speed of MN, next best MAP is selected in order to multicast the packets before mobile node is actually connected to the selected MAP. Optimization of QoS parameters will finally result in providing remarkable communication experience to mobile phone users.