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This paper proposes a distributed filtering scheme over sensor networks with topology switching and topology-dependent event-triggered transmission schemes. A new monitoring mechanism is introduced to identify the topology switching instants, and the system output is sampled by sensors when the network topology switches. Based on the time-varying sampled-outputs, a group of distributed topology-dependent...
Traceback technique is useful to identify the source of an attack. Several types of traceback schemes have been proposed for wired networks. But most of them are not suitable for mobile ad hoc networks (MANETs) due to limited resource and dynamically-changing topology. Among all of existing schemes, probabilistic packet marking (PPM) scheme might be the most promising scheme for MANET because it is...
Since there is no fixed infrastructure or centralized management in wireless sensor networks, a connected dominating set (CDS) has been proposed to serve as a virtual backbone. The CDS of a graph representing a network has a significant impact on the efficient design of routing protocols in wireless sensor networks. This problem has been studied extensively, in which all nodes have the same transmission...
Data gathering is a major function of many applications in wireless sensor networks (WSNs). In real world applications, it is unrealistic to guarantee all sensors have the same energy because they have different energy consumption. Moreover, sensor redeployment also results in the heterogeneous energy capacities. In this paper, An effective data gathering scheme for heterogeneous energy WSNs (EDGA)...
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