The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In this paper, we suggest the efficient allocating method in Service Location Protocol (SLP). From the wired protocol SLP to the wireless protocol, we have to solve some problems. For example, efficient power consumption is the most significant problem that we have to solve. In this paper, we suggest the effective DA placement, and for this method we solved the effective power consuming problem. For...
The clustering communication sensor network structure is a main energy efficient communication protocol. The cluster heads collect information transmitted from the cluster members to process the data in the base station far beyond. In this structure, the unstable and unevenly distributed cluster heads can increase power of the network system. In this paper, we propose a energy efficient cluster head...
For the application of wireless sensor network technology in an energy self-sufficient condition monitoring appliance, we propose a new hybrid network topology to combine the advantages of the ZigBee standard with the need for lowest power consumption when applying an energy harvesting solution for a subset of the sensor nodes. For a research project on a wireless condition monitoring system, we developed...
Wireless sensor networks can be used in industrial applications to overcome some limits of wired fieldbuses. This paper proposed a reliable wireless communication protocol (RWCP) for industrial applications. Protocol design focused on network reliability and power consumption. Reliability was improved by creating redundant links dynamically. Deterministic communication was provided through super frame...
The sensors in sensor networks have limited energy and thus energy preserving techniques are important but in many cases like war zone the time for complete a task is more important than energy and in large-scale sensor networks, redundant communication between sensor nodes is necessary to propagate data in a large monitoring region. The main objective of this paper is to efficiently disseminate information...
In this work a new architecture called EDETA (energy-efficient adaptive hierarchical and robust architecture) optimized to save node's power is presented. This architecture is scalable and suitable for heterogeneous and homogeneous wireless sensor networks, supports single or multiple sinks, and also provides features increasely-demanded in the current applications such as fault tolerance and bounded-time...
Wireless sensor networks usually require certain level of security, however there is lack of sensor nodes with cryptographic hardware build-in. We proved realization of cryptographic platform based on smart card-sensor node connection. Time complexity and power consumption of the platform was measured and compared to conventional software implementation. Our results showed low power demand and high...
In this paper we propose a transmission range reduction scheme for a clustered wireless sensor network (WSN), in order to reduce power consumption while maintaining the network connectivity, particularly in scenarios where consecutive reporting of sensing values is inherent in the network. The platform WSN is based on a multi-hop clustering algorithm, where clusterheads send information to the sink...
In wireless sensor networks (WSN), energy efficiency is crucial to achieving satisfactory network lifetime. The most commonly used and may be the only efficient method to reduce the energy consumption significantly is to turn off the radios most of the time, except when it has to participate in data communication. The key challenge is to operate the radio at a low duty cycle but still ensure the delay...
Recent developments in the field of wireless sensor networks (WSN's) have rapidly positioned this technology as the premier form of variable monitoring. These types of networks maintain important advantages in their field of operation such as reliability, simplicity and ease of installation. However, regardless of these advantages, WSNs face challenges in power consumption. The RF transceiver, the...
Secure communication of the location information or localization of sensor nodes in an adversarial environment is a high priority yet a challenging task. Wireless sensor networks are characterized by severe constraints such as memory, energy, processing and operational environment. Unlike other wireless networks, a sensor network has to be highly sensitive to energy consumption. Complexity and power...
Due to the ability of sensor nodes to collaborate, time synchronization is essential for many sensor network operations. This work presents a novel clock synchronization method for energy-constrained wireless sensor networks (WSNs). To conserve WSN energy, this study adopts the flooding time synchronization scheme based on one-way timing messages. Via the proposed approach, the maximum-likelihood...
Power consumption now becomes the most important challenges when design distributed wireless sensor networks (WSN). There are several limits in the process of designing a WSN, in which the lifetime of a network should be taken into consideration. The lifetime could depend on the battery device and the protocols as well. In this paper we introduce a new protocol which can do better in power management...
Power consumption is the main challenges of expanding the network, since the active nodes are more vulnerable to energy consumption. This paper proposes the tasks scheduling and distribution energy management mechanism of roles dormant cells (SRDC) to curb excessive consumption of energy consumed in the performance of duplicates task and unhelpful. Experimental results verify that the proposed of...
Since sensor network lifetime shows a strong dependence on battery lifetime, power consumption is a critical concept in design of sensor network. For the sensor network to operate successfully both requirements of sensing coverage and network connectivity should be met. Other research have joined coverage and connectivity problem at the same time. Sensing coverage is achieved by dividing sensor nodes...
Wireless body-area sensor networks (WBSN) are a key component of e-Health solutions. Many different physiological parameters can be monitored and collected continuously by wearable wireless sensors with high accuracy, low power consumption and limited cost. In this work we focus on WBSN for real-time biofeedback applications. In this domain the real-time nature of I/O data streams is of critical importance...
This paper presents a new method for power minimization in wireless sensor networks using the ZigBee protocol. A modification of the standard protocol is proposed for use to any low bit-rate data communications application resulting in a ZigBee-like network with considerably reduced power consumption. Time scheduling is proposed to switch on and off the power of the transmitter/receiver circuit, minimizing...
Device centric service-oriented architectures have shown to be applicable in the automation industry for interconnecting manufacturing devices and enterprise systems, thus, establishing comprehensive heterogeneous service architectures. A similar scenario can also be found in the domain of integrated circuits where a growing number of components is being interconnected by a network inside a single...
The most difficult challenge for the design of wireless sensor networks (WSN) is to maintain long network lifetimes since the sensor nodes are severely energy-constrained. Traditional WSN assumes employment of conventional RF transmitters which consume most of the stored power on the sensor node. In this regard, modulated backscattering (MB) emerges as a promising communication technique alternative,...
Power consumption is an important design criterion in the design of wireless sensor networks. Hybrid radio frequency/free space optical wireless sensor networks (RF/FSO WSN) have been proposed to reduce the energy consumption of traditional RF-based sensor networks. This paper compares the performance of such a hybrid sensor network against the well-known RF-based low energy adapting clustering hierarchy...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.