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This paper describes a smart insulating shipping container with anti-theft features based on M2M communication for mutual tracking. The container includes a wireless sensor node for sensing the temperature and moisture of the interior of the container as well as the vibration and orientation to ensure integrity of the contents. In case of abnormal conditions, the node notifies the deliverer wirelessly...
This paper describes an intelligent insulating shipping container (IISC) and the supporting backend for cold-chain logistics. Each IISC can monitor the interior temperature of the container during shipping of temperature-sensitive items and alerts the deliverer wirelessly via a Bluetooth-Smart (also called Bluetooth 4.0 Low Energy, BLE) connection on their smartmobile without infrastructure or dongle...
Detecting and reacting to faults is an indispensable capability for many wireless sensor network applications. Unfortunately, implementing fault detection and error correction algorithms is challenging. Programming languages and fault tolerance mechanisms for sensor networks have historically been designed in isolation. This is the first work to combine them. Our goal is to simplify the design of...
In this paper, the complex impedance spectroscopy (CIS) of La0.67Sr1.33MnO4 and La0.67Sr0.33MnO3 were applied to characterize the ac properties below and above Neel temperature and/or Curie temperature, respectively. We demonstrate that the CIS can be sensitively affected by magnetic states on the manganite thin films. Our result provides further understanding of the dielectrics variation during the...
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