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The reliable transmission problem in Wireless Sensor Networks (WSNs) is quite different from that in traditional networks. Especially in event-driven wireless sensor networks, the most critical goal is to transmit the event alarm to users reliably and timely. For most current protocols, the raw event packets are periodically sent to the destination. However, the occurrence of the emergency event is...
Vehicular Sensor Network (VSN) is being seriously considered as a key enabling technology as it allows vehicles to communicate with each other (v2v) and/or with roadside infrastructure (v2r). Effectively use of wireless communication can enhance various types of traffic applications. Dedicated Short-Range Communication (DSRC) standard is an ideal candidate for supporting wireless access in VSN environment...
This paper gives out a survey on event monitoring in Event-driven wireless sensor networks (EWSNs). In EWSNs, there are mainly two tasks, one is accurate event detection with higher detection probability and lower false-alarm probability. The other is reliable dissemination of the event information after accurate detection. In this paper, we firstly address the design issues for event detection and...
In monitoring wireless sensor networks (WSNs), the occurrence of an emergency will generate a large amount of data in a very short time. Among them, some urgent information is more critical and needs to be transmitted out reliably as soon as possible. In this scenario, congestion is inevitable due to the limited resources, especially near the sink. To address this problem, we propose a novel reliable...
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