We describe methods for evaluating the performance of wireless devices such as wireless sensors in harsh radio environments. We describe how measurements of real-world propagation environments can be used to support the evaluation process. We then present representative measurement data from high-multipath environments where sensor networks are likely to be deployed: a fixed-infrastructure, process-control environment, here an oil refinery, and a heavy industrial environment, here an automotive assembly plant. The data are from an extensive set of studies carried out by the U.S. National Institute of Standards and Technology to provide open-literature data on radio-wave propagation over a wide frequency band in difficult radio-communication environments, including those with high loss and/or high multipath.
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