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The mobile facility routing problem involves routing and scheduling a set of mobile facilities from a central depot to serve geographically dispersed customers. In this paper, service-time-related demand rate and fairness constraints are considered. The demand rate of a location is a piece-wise function, which decreases step by step over the service time from an initial value. To guarantee fairness,...
Improving the capacity of wireless networks is critical and challenging. Although wireless standards such as IEEE 802.11 allow the use of multiple channels at the physical layer, current Media Access Control (MAC) and routing protocols of mobile ad hoc networks have mainly been developed to run over one channel. In this paper, we design a unified MAC and routing framework to exploit the temporal and...
In disruption tolerant networks, aggressive packet forwarding scheme like flooding has a major drawback in terms of network congestion. In this paper, we proposed a new routing algorithm, called adaptive randomized epidemic routing (ARER). ARER dynamically adjusts the forwarding probability for each message according to a new metric, replications density. Meanwhile, ARER arranges the forwarding sequence...
Epidemic Routing is an original and effective multicopy routing algorithm in disruption tolerant networks. However, its performance degrades significantly when network resources are limited. In this paper, we proposed a new routing scheme, called Weighted Epidemic Routing (WER). WER appropriately arranges the priority of messages for forwarding or deleting through assigning a weight for each of them...
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