Hardware and Software Architecture of Wireless Sensor Networks

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Provided by: International Association of Computer Science and Information Technology(IACSIT)
Topic: Networking
Format: PDF
Conventional RF wireless receivers, Bluetooth, Zigbee, 802.11 consume tens to hundreds of mW of battery power when operational. The authors consider this problem and format a solution for it. The only way by which the power budget needed for wireless sensor networks can be met is to organize the network such that the receivers are rarely switched on. The intermittent operation requires that the terminals have a sufficiently accurate common view of time to be able to switch on at correct moment. In many contexts this places unreasonable constraints on the distribution of timing within the network and the time-keeping ability of the terminals themselves.
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