A Survey Query Driven Data Collection in Multiple Mobile Gateways Wsn –mcn Convergence System
نویسنده
چکیده
Data gathering is a fundamental task of Wireless Sensor Network (WSN). Recently, mobile sink has been exploited for data gathering in WSN to reduce and balance energy expenditure among sensors. To collect and transmit the data using energy efficient schemes in case of multiple mobile sinks is a hot research topic. In this project, a multiple mobile sinks energyefficient data collection (MSEDC) scheme for query –driven data delivery in tree topology WSN and mobile cellular network (MCN) convergence system is proposed. In the system user equipments(UEs) are equipped with WSN air-interface and act as mobile gateways for supervisory control of WSN data gathering and provide backhaul data links for the WSN. The WSN sensors are purposely activated for data delivery. By implementing (MSEDC), only necessary sensors should be activated for data delivery while the other sensors could be sleeping to save energy. Simulation results demonstrate that MSEDC saves the energy.
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