[PDF] Top 20 A Survey on Target Coverage in Wireless Sensor Networks

... all sensor nodes have the same amount of initial energy and have the same energy consumption rate in the active ...single sensor is assumed as one time unit if it is activated all the ...each sensor ... See full document

... development. Wireless sensor networks are used to monitor a given field of interest for changes in the ...in wireless sensor networks is that of coverage ...sensors. ... See full document

... of sensor nodes. These sensor nodes have capability to collect data and route data back to a Base Station ...single sensor consists basically four parts: a sensing unit, a processing unit, a ... See full document

... of sensor nodes. For example, sensor nodes have limited sensing range and battery life whereas the observers of the Art Gallery problem have infinite visibility unless any obstacle ap- ...the sensor ... See full document

... between sensor correspondence conceivable, and this thought of sensor systems has been expansion with the idea of specially appointed remote ...the sensor system in recognizing the interruption of ... See full document

... sensing coverage, the WSN must sense the required bodily quantity over the entire area being monitored — while doing this, both power utilization and the effectiveness of data aggregation are crucial ...that ... See full document

... ABSTRACT: Coverage problem is an important and fundamental issue in sensor networks, which reflects how well a sensor network is monitored or tracked by ...on coverage problem in ... See full document

... of coverage are defined in the literature [5][6][7][8]: Area Coverage: To ensure that every point of the whole area to be monitored by at least one sensor ...Point/Target Coverage: To ... See full document

... the coverage problem of self-organizing wireless sen- sor networks, a target coverage method for wireless sensor networks based on Quantum Ant Colony Evolutionary ... See full document

... network coverage using low duty-cycle ...each sensor to independently sleep under a certain proba- bility, while the coordinated sleep algorithm allows a sen- sor to enter sleep state if its sensing area is ... See full document

... 1) Coverage Types: The first step in deploying a wireless sensor network is determining what it is exactly that you are attempting to ...barrier. Coverage of an entire area known as full or ... See full document

... a coverage-optimizing recursive (COR) heuristic and a probabilistic load-balancing (PLB) ...the sensor nodes (such as the sink ...full coverage preservation ... See full document

... [7], Wireless sensor networks contain the stage of a wide scope of uses identified with security framework, surveillance, military, medicinal services, and natural ...The sensor ... See full document

... istributed wireless sensor networks (WSNs) have been increasing in popularity for a wide range of applications ...A sensor node is composed of typically four ...the wireless ... See full document

... the number of shortest paths of bounded length that go through a vertex [6]. Similar to the first technique, nodes in the interior tend to have a greater centrality than nodes on the boundary. In order to ensure accu- ... See full document

... modest sensor nodes which can sense the earth, perform information preparing and speak with each other over short ...Remote Sensor System (WSN) have pulled in a plenty of exploration ...many sensor ... See full document

... a target via wireless networks is effective when both the target and the tracker are within Wi-Fi coverage area, the ...802.11 wireless networks are not always accessible. ... See full document

... directional sensor network (DSN) is composed of a large number of directional sensor devices that send sensed- event reports to a ...on sensor nodes to improve the network ...active sensor ... See full document

... Path coverage by a random network (or barrier coverage which is a relaxed version of the path coverage) has been the focus of some previous work ...path coverage of the network. They first ... See full document

... (7) As shown in Figure 3, the 10 groups of the area errors between the results predicted and the actual coverage can be calculated by Equation (7). It also shows that the area error rate decreases gradually with ... See full document