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The introduction of real time communication has created additional challenges in the wireless networks area with different communication constraints. Sensor nodes spend most of their lifetime functioning as a small router to deliver packets from one node to another until the packet reaches the sink. Since sensor networks represent a new generation of time-critical applications, it is often necessary...
The existing routing protocols designed for real-time multimedia applications in sensor networks adopt comparatively simple routing models where fewer service metrics are considered. Furthermore, for the sake of route discovery or the acquisition of a target location, they usually need extra locating equipments or beacon exchanges to construct a coordinate system for each sensor node, which imports...
Most sensor networks do not support QoS or heterogeneity. As a result, current sensor networks are not suited for next-generation applications, such as wireless building automation, process control or medical applications. In this paper, we present an alternative architecture wherein the system is responsible for packet creation and packet manipulation. To support QoS, energy-efficiency and heterogeneity,...
Currently, there is very little research that aims at handling QoS requirements using multipath routing in a very energy constrained environment like sensor networks. In this paper, energy efficient fault-tolerant multipath routing technique which utilizes multiple paths between source and the sink. has been proposed. This protocol is intended to provide a reliable transmission environment with low...
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