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In a Wireless Sensor Network (WSN), there are a large number of nodes whose power supply and computational capability are limited. The nodes in a wireless sensor network can be fixed or move randomly. Thus in these networks, to forward a data packet from one node to another needs to use specific strategies with very different characteristics. Accordingly the data forwarding strategy among nodes plays...
One of the critical issues in a Wireless Sensor Network (WSN) is the design of a proper routing protocol. While the requirement of low latency and low-energy consumption is getting more and more importance in emerging applications, the WSN should be capable of fulfilling its mission in a timely manner and without loss of energy. In this paper, we focus on multi-hop flat routing. A mathematical model...
Wireless Sensor and Actor Networks (WSANs) have greatly enhanced the existing Wireless Sensor Network (WSN) by its heterogeneous node structure. WSAN is a collection of static sensors and mobile actors. The actors are active elements with high processing, communication capabilities, and less constrained to energy resources than passive sensors. An actor performs actions in the event area based on...
Large propagation delay, high error rate, low band-width and limited energy in Underwater Sensor Networks (UWSNs) attract the attention of most researchers. In UWSNs, efficient utilization of energy is one of the major issue, as the replacement of energy sources in such environment is very expensive. In this paper, we have proposed a Cluster Depth Based Routing (cDBR) that is based on existing Depth...
In Remote Sensor Arrange deferral and vitality are vital limitations. It is watched that postponement, parcel conveyance proportion, vitality, rate transmission issues are created when a bundle is sent from sources to goal. This paper manages issues of postponement and vitality. Also, it deals with a Course choice paradigm which depends on least hub postponement and vitality utilization. At the point...
To support the rapid emergence of applications with a large throughput and low delay requirement in wireless sensor network, design of throughput optimal energy aware algorithms has attracted researchers from a wide area of expertise. Maximum weight scheduling (MWS) is a well-known throughput optimal link scheduling algorithm. In addition to packet queue lengths, the algorithm needs to be aware of...
Data collection and transmission are the fundamental operations of Wireless Sensor Networks (WSNs). A key challenge in effective data collection and transmission is to schedule and synchronize the activities of the nodes with the global clock. This paper proposes the Bandwidth Efficient Hybrid Synchronization Data Aggregation Algorithm (BESDA) using spanning tree mechanism (SPT). It uses static sink...
Energy consumption is an important consideration in sensor networks for sensing, computation, and communication. For any sensor network, either ad hoc or distributed, controlled or self-organized, energy management is crucial since the lifetime of a sensor node depends exclusively on its limited battery capacity (except for physical damage and system failures), hence, it is extremely important to...
Wireless Sensor Networks (WSNs) are used for monitoring and data collection purposes. A key challenge in effective data collection is to schedule and synchronize the activities of the nodes with global clock. This paper proposes the Synchronized Data Aggregation Algorithm (SDA) using spanning tree mechanism. It provides network-wide time synchronization for sensor network. In the initial stage algorithm...
In order to reduce the routing's energy cost, improve the reliability of the entire network, and ensure the service quality of data transmission, as well as lower the transmission delay in wireless sensor networks, an improved minimum hop routing protocol based on residual energy and congestion (CEMHR) is proposed, which consider energy, congestion and backup strategy. What is more, the protocol adopts...
A challenging issue in data collection in duty-cycled wireless sensor networks (DC-WSNs) is the trade-off between lifetime and latency. Indeed, duty-cycling has long been a critical mechanism for energy conservation in WSNs where the sensor nodes switch between active and dormant states. Moreover, this mechanism involves strong sleep latencies leading to severe end-to-end delay degradation. In this...
Topology control technology has important effect on the performance of wireless sensor network. Based on local minimum spanning tree algorithm, this paper proposes topology control algorithm based on energy equilibrium. The algorithm synthetically consider the communication energy consumption between nodes and the node's residual energy, which can not only make the local total energy consumption close...
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