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Despite increasing demand of application specific requirements in wireless sensor networks, lots of research is still going on under assumption of general requirement without considering specific traffic model as well as several constraints. To address this issue, we have already introduced a new real-time application with (m, k)-firm model and developed communication protocols for multimedia sensor...
Even though geographical routing protocol is regarded to energy-efficient and scalable approach in wireless sensor networks, position information through beacon messages should be exchanged prior to forwarding procedure. This is another control overhead when it comes to consider node's constraints. Thus, recently beacons graphical routing have been proposed to perform data forwarding without information...
In flight simulator, real-time rendering system processes most of scenarios at high altitude. Therefore, overload process of real-time rendering system tends to ignore altitude distinction through applying only view-frustum culling. However, even though the flight of the aircraft operates at high altitude, but dynamic culling according to altitude is demanded because of several situations such as...
Typical mobile P2P protocols largely relied on inflexible techniques such as, flooding, replicating, random walks and selective forwarding to route queries and discover objects of interest, which incur a relatively high search time due to remarkable network traffic, multiple copies and duplication of query messages. Recently proposed P2P protocols are able to reduce search time but due to peer mobility,...
Delay Tolerant Networks (DTN) has been proposed to provide communication between nodes where they are intermittently connected. In this situation, a new routing approach, store-carry-forward, is used to deliver data between source and destination. Even though long delay is acceptable in DTN, however some applications occasionally require predetermined bounded delay. To meet this requirement, some...
Due to recent research interests in airborne ad hoc networks, many research works have been conducted in each layer by developing communication protocols which take into unique properties of node (aircraft) as well as operating environments account. Among them, as the research efforts in network layer, several routing protocols have been proposed to improve packet delivery ratio even though a node...
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