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220
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INFOCOM
2008
IEEE
16 years 1 months ago
2008
IEEE
—Sleep-wake scheduling is an effective mechanism to prolong the lifetime of energy-constrained wireless sensor networks. However, it incurs an additional delay for packet deliver...
185
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INFOCOM
2008
IEEE
16 years 1 months ago
2008
IEEE
Abstract—Energy efficiency is critical for wireless sensor networks. The data gathering process must be carefully designed to conserve energy and extend the network lifetime. Fo...
259
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FBIT
2007
IEEE
16 years 1 months ago
2007
IEEE
In Wireless Sensor Networks (WSNs), address-based routing approaches often lead to severe problems due to node mobility, energy-saving sleep-cycles, and often missing or unreliabl...
172
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
– Low-cost and low-power sensor nodes forming Wireless Sensor Networks (WSNs) have become suitable for a wide range of applications during recent years. These networks, due to th...
204
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— This paper describes a combined modulation scheme for time hopping ultra wideband (TH-UWB) radio systems using on-off keying (OOK) and pulse shape modulation (PSM). For this sc...