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.
Current society, Emergency Management System (EMS) widely uses Wireless Sensor Network(WSN) to assure safety. If emergency happens, in dynamically changing environment, real-time property of emergency information should be assured. But conventional approaches which are based on static situations and centralized management can not satisfy this requirement. Thus, we introduce community. Community is...
Wireless Sensor Network (WSN) is widely used in Emergency Management System (EMS) to assure requirement of safety in current society. For centralized management, it is difficult for conventional systems to assure the real-time transmission of emergency information under rapidly changing situations. Thus, based on the Autonomous Decentralized Community (ADC) concept the main route for emergency information...
Wireless Sensor Network (WSN) is widely used in Emergency Management System (EMS) to assure requirement of safety. If emergency happens, real-timely transmitting emergency information in dynamically changing environment should be assured. Therefore, community is introduced to solve this problem. In this paper, to achieve high assure, autonomous community coordination technology is proposed. Each community...
Wireless Sensor Networks (WSNs) comprise of groups of tiny sensor nodes that are deployed for collaborative missions such as environmental monitoring, target tracking and surveillance. Due to the miniature size of the nodes, they are typically deployed in large numbers and communicate via multiple hops through a wireless shared communication channel. The successful implementation of such networks...
Agro-meteorological parameters monitoring plays an important role in orchard management. For a project named `Digital Orchard' funded by local provincial government of China, a wireless sensor network was designed and developed with the aim of remote real-time monitoring and collecting of soil and atmospheric data. The system utilizes a wireless technology for data communication and data transmission...
Wireless Sensor Network (WSN) is an emerging technology that shows great promise for various futuristic applications both for mass public and military. The sensing technology combined with processing power and wireless communication makes it lucrative for being exploited in abundance in future. The inclusion of wireless communication technology also incurs various types of security threats. Although...
In order to achieve the best performance of a Wireless Sensor Network (WSN), it is a must to provide a challengeable routing algorithm , which consumes less power and allows more data collection. In this paper we have considered a WSN with mobile sinks and it is considered that the router follows the basic location update algorithm with traffic awareness. We show the performances of a router under...
Power consumption is one of the most important problems for wireless sensor networks because of the battery limitation in each sensor. This paper presents an ant colony optimization- (ACO-) based routing algorithm to reduce power consumption. First, a grade table is built and referred to generate several possible routing paths. Then, the ACO explores these paths to reduce the power consumption of...
In order to become truly ubiquitous, the Internet of Things (IoT) has to evolve to provide connectivity anytime, any place, for any thing. IEEE 802.15.4-based wireless personal area networks (WPANs) is a preferable communication method for IoT. Wireless personal area networks (WPANs) are used to convey information over relatively short distances. Connections effected via WPANs involve little or no...
Wireless sensors have started being utilized for industrial application which is typical harsh environment due to complicated layout and plentiful stationary/moving obstacles. As two hot standards for wireless industrial, WiHART and ISA100.11a, both adopt the centralized wireless sensor network with mesh topology to enable the reliable monitoring of a variety of environments. This kind of network...
Localization of sensor nodes is the foundation of all application of wireless sensor network. The article introduces the Centroid-based algorithm firstly. Based on this, it proposes an improved two-hop centroid-based algorithm which increases the precision and the degree of coverage. The new algorithm adds two-hop anchors' communication restrict to unknown node, which reduces the area of unknown node...
Based on the empirical studies of approximate linear correlation between transmission power and link quality, we propose a multi-power opportunistic routing scheme with network coding for wireless sensor networks. A new routing metric taking energy consumption and link quality into account is defined, and an optimal transmission power and forwarding set selection algorithm is implemented, which is...
Multicast routing technology of wireless sensor network is a method of transferring specific data to a group of clients selectively; therefore, quality of the services is the key to evaluate the method. Based on AODVjr algorithm, we improved an energy confinement QoS multicast routing algorithm, which takes the energy cost into account, allowing the node in the multicast trees to meet the energy constraints...
An optimization model is set up for the area covering and routing problem of Wireless Sensor Network(WSN). Two quasi-physical and quasi-sociological methods are designed for the problem, They are quasi-gravitation model and quasi-coulomb force model. Based on the Area Covering, Round Routing Method is proposed, which transfers into TSP problem. Restriction of window ant colony algorithm carry out...
Due to the nature of wireless sensor networks (WSNs) such as battery usage, limited computation capability and wireless communication, there are many threats in WSNs. Among these, false report attacks exploit compromised nodes to forge and inject false reports into a network so that they waste valuable energy of sensor nodes and confuse a user. Statistical en route filtering scheme is one of filtering...
This paper provides a novel routing algorithm CLQR (Cumulative Link Quality Routing Algorithm) which leverages LQI to provide a better routing scheme. Unlike other schemes providing maximum link quality, CLQR does not use probe packets to measure the link quality. Instead it uses cumulative link quality as a metric to choose better routing path. Result of simulation shows that it can hold a high throughput...
The use of wireless sensor networks as a means for providing remote healthcare provides a unique opportunity to reduce the healthcare cost through more efficient use of clinical resources and earlier detection of medical conditions. Despite the initial promising results, there remain significant obstacles to apply this technology to the practical medical care context. In this paper, we investigate...
The application of wireless sensor transient field measurement network trying to get high data sampling rate, high fidelity data by using wireless sensor node, with the constrain of wireless communication bandwidth and energy consumption. Smart and compact routing is a critical issue in this system, which plays a role of middleware in sensor network software architecture. The route select estimator...
Due to the limited energy of wireless sensor networks (WSN) in all industrial applications, lots of research works have been done with routing algorithm in WSN. To solve the problem of the unbalanced energy consumption with the classical routing algorithms and improve the life circle, this paper proposes an Energy-Efficient Link Clustering (EELC) routing algorithm base on local competition by residual...
Most of the extant wireless medicare system have been used Bluetooth or WiFi standard based on IEEE 802.11 to implement wireless communication. However, those could not work as a network and transmit data to specific terminals. Wireless Sensor Networks (WSNs) based on IEEE 802.15.4 present a possibility to implement a networked medicare system. Most of those networking algorithms have been discussed...
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.