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Group mobility is quite usual in many realistic mobile and wireless environments, but it is rarely adopted in multipath routing. We propose a Group mobility-based Multipath Routing protocol (GMR) for large and dense mobile ad-hoc networks (MANETs). The GMR protocol adapts intra-group routing and inter-group routing to handle group mobility. The routing table maintained by a group leader is used to...
Nodes in disruption-tolerant networks (DTNs) usually exhibit repetitive motions. Several recently proposed DTN routing algorithms have utilized the DTNs' cyclic properties for predicting future forwarding. The prediction is based on metrics abstracted from nodes' contact history. However, the robustness of the encounter prediction becomes vital for DTN routing since malicious nodes can provide forged...
Recently, the use of a virtual backbone in various applications in mobile ad hoc networks (MANETs) has become popular. These applications include topology management, point and area coverage, and routing protocol design. In a MANET, one challenging issue is to construct a virtual backbone in a distributed and localized way while balancing several conflicting objectives: small approximation ratio,...
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