![]() ![]() These ultra-low power sensors are configured to have very low duty cycle and are practically asleep most of the time. Comprehensive research and development efforts have been devoted to building ultra-low power sensors. The gravity of this problem is increased by an order of magnitude when the network is to be scaled up to hundreds or thousands of nodes. ![]() This is a key challenge in leveraging the Internet of Things on trains. ![]() Whilst the number of transistors in an IC doubles every 18 months, the energy density of batteries is relatively flat during the same time period. The success of Wireless Sensor Networks is heavily constrained by its reliance on storage technology like batteries, which are a finite resource. ![]()
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