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In this paper, we propose a new intersection-based geographical routing protocol, called delay tolerant routing protocol (DTRP) that adapts to the changes in the local topology within city environments. DTRP is based on an effective selection of road intersections through which a packet must pass to reach the gateway to the Internet. The selection, in such delay tolerant VANETs, is made in a way that...
Personal computing is experiencing a shift from conventional computer-centric approaches, where the overall user experience and quality of service is determined by the capability of a single device, towards human centric approaches forming implicit devices, also known as virtual devices or virtual appliances. Virtual devices exploit the strengths of a series of strong specific networked appliances...
The dynamic composition of systems of networked appliances, or virtual devices, enables users to generate complex strong specific systems. Current prominent MANET-based composition schemes make use of service discovery mechanisms dependent on periodic service advertising by controlled broadcast, resulting in the unnecessary depletion of node resources (i.e. battery and processing power). Moreover,...
The dynamic composition of systems of networked appliances, or virtual devices, in MANETs, enables users to generate, on-the-fly, complex strong specific systems. Current work in the development of service composition architectures in MANETs has yet to address QoS metrics for enhanced composition from a virtual device perspective. In this paper, we present an extension to a prominent dynamic broker-based...
Supporting multimedia quality of service (QoS) is a necessary and critical requirement for next generation wireless networks. Wireless Mesh Networking is envisioned as an economically viable paradigm and a promising technology for supporting multimedia QoS. The non-mobile mesh routers with the capability of having less-constrained transmission power are the distinct characteristics for this type of...
Depth First Search (DFS) and position based routing algorithms were proposed in literature. These are localized algorithms that guarantee the delivery for connected ad hoc and sensor wireless networks modeled by arbitrary graphs, including inaccurate location information for a destination node. This paper first optimizes an existing DFS based routing scheme by eliminating from the candidate list neighbors...
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