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Monitoring Systems White Papers

Strategies for Mitigating the Sensor Network Hot Spot Problem

Overview In multi-hop wireless sensor networks that are characterized by many-to-one (convergecast) traffic patterns, problems related to energy imbalance among sensors often appear. When the transmission range is fixed for nodes throughout the network, the amount of traffic that sensors are required to forward increases dramatically as the distance to the data sink becomes smaller. Thus, sensors closest to the data sink tend to die early, leaving areas of the network completely unmonitored and causing network partitions. Alternatively, if all sensors transmit directly to the data sink, the furthest nodes from the data sink will die much more quickly than those close to the sink.

Further White Paper Details
Publisher	University of Rochester	File Format	PDF
Date Published	August 2005
Format	White Papers
Topics	Monitoring Systems, Mobile - Wireless Communications

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