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In this paper, a delay sensitive, energy efficient and quality of service (QoS) oriented WSN data gathering protocol has been developed using single mobile sink node. We exploit an enhanced centralized clustering model using expectation-maximization (EEM) concept to enable reliable and energy efficient clustering based data transmission. To reduce energy exhaustion and signaling overheads due to more...
In recent years among the scientific community, adverse effects of climate change shifted from being a hypothesis to being a reality. Coastal Karnataka prioritized climate variability as a productivity-reducing factor in agriculture and fishery farming. Prevailing unsatisfactory productive services in the agricultural sector and allied industries resulted in degradation of natural resources at the...
Considering the significance of load sensitive, delay tolerant and reliable data gathering in wireless sensor networks (WSNs), in this paper a handoff optimization and dynamic link quality estimation based forwarding route selection algorithms have been developed for single mobile sink nodes based data gathering in WSNs. The proposed approach functions in three phase, first node discovery to identify...
As technology enters into deep submicron regime, subthreshold leakage power increases exponentially and become a limiting factor in the performance of portable and battery operated electronic devices. To increase the life of battery and computational capacities of portable devices the reduction of power in standby/ sleep mode is evident. Now a day's power dissipation emerged as a major design constraint...
Wireless Sensor Network is structure of spatially distributed autonomous sensors that are widely used in the field of Civil and Military applications. Scheduling in MAC Layer is a challenging task and a critical issue in the design of Wireless Sensor Network (WSN). For Collision free transmission Self-organized transmission scheduling becomes very important. Bio-systems have been an inspiration for...
In this paper path conditions are taken into account to achieve required QoS parameter of an application in Wireless Multimedia Sensor Networks (WMSN). The proposed a path constraint adaptive Multipath routing protocol minimizes loss rate, energy consumption and delay. A cluster based architecture is adopted where inter cluster routing is performed based on a weighted cost function which considers...
Transmission of video and imaging data requires both energy and QoS aware routing in order to ensure efficient usage of the sensors and effective access to the gathered information. In large-scale networks with a large number of sensor nodes, multiple sink nodes should be deployed to increase the manageability of the network and also to reduce the energy dissipation at each node. In this paper we...
Automated information gathering in military, industrial, environmental and surveillance applications which requires improved QoS guarantees as well as high reliability is well supported with Wireless Multimedia Sensor Networks (WMSNs). In this paper, we propose a more reliable energy efficient multi-path routing scheme for multimedia-traffic. The proposed protocol quickly chooses partial disjoint...
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