A Review of Fast Data Collection in Tree Based WSN

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Provided by: International Journal of Computer Science and Management Studies (IJCSMS)
Topic: Networking
Format: PDF
The authors investigate the following fundamental question - how fast can information be collected from a wireless sensor network organized as tree? To address this, they explore and evaluate a number of different techniques using realistic simulation models under many-to-one communication paradigm known as converge-cast. They first consider time scheduling on a single frequency channel with the aim of minimizing the number of time slots required (schedule length) to complete a converge-cast. Next, they combine scheduling with transmission power control to mitigate the effects of interference, and show that while power control helps in reducing the schedule length under a single frequency, scheduling transmissions using multiple frequencies is more efficient.
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