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Based on dynamic multicast agent, a novel mobile multicast protocol, named TD-DMAMoM (time and distance-aided dynamic multicast agent-based mobile multicast protocol) is presented. In TD-DMAMoM, a fast multicast handover mechanism is used to decrease the multicast interruption time when the mobile node (MN) moves from one foreign network to another. Meanwhile, the proposed protocol tries to provide...
This paper presents a network-assisted mobility support scheme for 6L0WPAN nodes, which enables multi-hop communication between the Gateway (GW) and the mobile 6L0WPAN devices (MNs), with minimum mobility related signaling at the MN's end as compared to conventional mobility related protocols like MIPv6. The scheme provides mobility support to the MNs with the help of low cost static 6L0WPAN devices...
In this paper we have presented a physical implementation of a topology control algorithm for MANETs. Mobile nodes follow the characteristics of the nomadic community mobility model. The proposed algorithm maintains the topology without any control message. There is no need to change routing table as connectivity of the network is maintained all through. Every node in the network is free to travel...
Seamless IP mobility protocols like Fast Mobile IPv6 (FMIPv6) requires the knowledge of candidate access routers, to which the mobile node will hand over its connection to, well in advance while the mobile node is still connected to its current AR. The candidate access router discovery (CARD) protocol is one such protocol that provides the identity and capabilities information of the candidate access...
IEEE 802.16e standard is considered to be one of the most promising solutions for next generation broadband wireless networks. Still, handover latency in IEEE 802.16e networks is an important issue that affects real-time applications. In this paper, a cross-layer fast hierarchical handover mechanism (CLFH) for IEEE 802.16e networks is introduced. The handover procedure of IEEE 802.16e is integrated...
In this paper, a dynamic scan initiation scheme in a 802.16e network is proposed in order for a mobile station to avoid waste of resources while meeting given handover time. Using statistical analysis on the received signal strength, a mobile station can trigger a scanning process only when a handover is anticipated regardless of random errors in radio propagation environments.
The transmission energy required for a wireless communication increases superlinearly with the communication distance. In a mobile wireless network, nodal movement can be exploited to greatly reduce the energy required by postponing communication until the sender moves close to a target receiver, subject to application deadline constraints. In this paper, we characterize the fundamental performance...
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