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Issue No.08 - August (2004 vol.37)
pp: 62-70
Christian C. Enz , Swiss Center for Electronics and Microtechnology
Amre El-Hoiydi , Swiss Center for Electronics and Microtechnology
Jean-Dominique Decotignie , Swiss Center for Electronics and Microtechnology
Vincent Peiris , Swiss Center for Electronics and Microtechnology
<p>Since wireless sensor networks often are deployed in regions that are difficult to access, the nodes should not require maintenance. They must be energetically autonomous, using batteries that do not need to be replaced or recharged. In many application scenarios,the targeted node lifetime typically ranges from two to five years, imposing drastic constraints on power consumption. </p><p>With a single 1.5-V AA alkaline battery, the average power consumption ranges from 100 to 10 microwatts, for a node lifetime ranging between two and seven years.</p><p>To conserve power, the nodes must sleep most of the time. Thus, the Swiss Center for Electronics and Microtechnology developed WiseNET to optimize power consumption. An ultralow-power platform for the implementation of wireless sensor networks, WiseNET achieves low-power operation through a careful codesign approach. The system combinesa complex system-on-chip sensor node with a dedicated duty-cycled radio and WiseMAC, a low-power MAC protocol designed for low-duty-cycle wireless sensor networks. The WiseNET solution consumes about 100 times less power than comparable alternatives available today.</p>
Christian C. Enz, Amre El-Hoiydi, Jean-Dominique Decotignie, Vincent Peiris, "WiseNET: An Ultralow-Power Wireless Sensor Network Solution", Computer, vol.37, no. 8, pp. 62-70, August 2004, doi:10.1109/MC.2004.109
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