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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...
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...
An interesting approach for the location service problem in wireless mesh networks is the one that relies on location agendas to model node displacements on an absolute time basis. To the best of our knowledge, the literature still lacks the design and evaluation of such an approach. In this paper, we introduce and analyze an agenda-based location service that reduces the overhead due to location...
Hierarchical MIPv6 (HMIPv6) is proposed to improve the system performance of mobile IPv6 (MIPv6). However, HMIPv6 cannot outperform MIPv6 in all scenarios because of its double-registration when a user roams across regions and the longer packet delivery latency. Therefore, to select a proper mobility management scheme between MIPv6 and HMIPv6 becomes an interesting issue, for its potentials in enhancing...
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...
As improvement of wireless and mobile technologies such as FMIPv6 and mSCTP, mobile devices such as laptops and PDAs are widely used. We investigate existing Mobile IPv6 scheme such as FMIPv6 in network layer and mSCTP in transport layer and find that both of them have some defects for signaling cost in mobile IPv6 environment. So, we we make a potential change to mSCTP - combine add-IP message with...
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...
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