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Ubiquitous technology through sensor networks is being applied to numerous industrial fields specially to increase the quality of human life (QoL). Therefore, Wireless Sensor Networks (WSNs) lossless data is one of the communications challenges to provide accurate data. Although, end-to-end data retransmission has evolved as a reliable transportation in Internet, this method is not applicable to WSNs...
In this work we design a virtual backbone to provide energy-efficient communication in Wireless Sensor Networks (WSNs). WSNs need virtual backbones to support in-network data transmission. In scenarios where there is no spatial redundancy (such as a sensor network in a petroleum installation), Connected Dominating Set (CDS)-based algorithms can be useful for hierarchical network management. We construct...
Traditional greedy geographic routing usually selects the neighbor node which distance to the destination node is nearest as the next hop node. This routing algorithm to find the minimum hop may choose low-quality data transmission link, resulting in lower packet delivery ratio and the reliability of data transmission worse. To solve this problem, summing up the existing geographic routing based on...
Wireless Sensor Networks (WSNs) can be used to monitor hazardous and inaccessible areas. The WSN is composed of several nodes each provided with its separated power supply, e.g. battery. Working in hardly accessible places it is preferable to assure the adoption of the minimum transmission power in order to prolong as much as possible the WSN's lifetime. Though, we have to keep in mind that the reliability...
Wireless sensor networks (WSNs) usually work under harsh environment, so high packet loss rate is induced by the unreliable and error-prone wireless links. To cope with the problem, a competition and cooperation based reliable forwarding protocol (CCRF) is proposed. In CCRF, the characteristic of dense deployment of sensor nodes and broadcast feature of the wireless channel in WSN are utilized. Specifically,...
In wireless sensor networks (WSNs), gathering sensed information, transforming the information data to the base station in an energy efficient manner, and lengthening the network lifetime are important issues. Clustering is an energy efficient way that divides sensor nodes into many clusters, each of which has a cluster-head. The routing from cluster-head sensor nodes to the base station, however,...
The present paper presents considerations on using a low power routing solution for prolonging the battery life for motes within a wireless sensor network (WSN) without affecting the network connectivity. The solution applies for the cases when, the distances between motes and base stations are over the mote's communication range, and motes located between sinks and base station are commonly used...
Intermittently connected wireless sensor networks (WSN) for scientific environmental monitoring raise the issue for reliable data gathering which is a key factor for having a consistent data stream as a result. First, measurements must be taken and securely saved on a node. Per node local repository for measurements is a basic mechanism for making possible to retransmit any block of data towards a...
Data aggregation in wireless sensor networks is widely accepted as an essential paradigm for energy efficient routing but with low reliability under node and link failures. In this paper, we propose a protocol called RDA which associates packet's reliability in data transmission with the amount of information it contains and gives higher reliability to the packet which has more information by adjusting...
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