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Geographic addressing (GA) is a way of addressing messages in a network. In GA, the destination of a message is specified as a geographic region. The network delivers the message to all devices in that region. A representative application is to distribute Common Operating Picture updates to interested devices. This paper extends previous research on GA to handle challenging problems arising in real-world...
This paper presents GeoVCom, a robust geocast protocol for vehicular networks. GeoVCom allows a vehicle to send geocast messages to all vehicles in a given geographical area without the sender having any knowledge about which vehicles are present in that area. GeoVCom is ad hoc, scalable and can handle communications under a wide variability of traffic load. We investigate the performance of GeoVCom...
An important but relatively less studied class of network layer protocol for sensor networks is geocast. It allows a sensor node to send messages to all nodes in a given geographical area without the sender node having any knowledge about which nodes are present in that area. Developing a robust geocast protocol for practical sensor networks poses several challenges. Geocast messages should be reliably...
When fielding a hard real time application in a mobile ad hoc network, it is necessary to give priority to its traffic over traffic fulfilling other purposes. For example, in the U.S. Army's One Tactical Engagement Simulation System (OneTESS), engagement (shot) simulation must meet hard real time deadlines, whereas data collection and control messaging can be delivered on a best-effort basis. However,...
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