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ITS Releases Best Practices Handbook for Propagation Measurements
Behind every initiative to share spectrum are models of how radio waves in a particular band travel, or propagate, through different environments. How far will a signal travel before it becomes too faint to be useful or to interfere with another signal? What happens when a signal encounters a tree, or a hill, or a house? If we can accurately model how radio waves will behave, it can dramatically increase the odds that sharing mechanisms will work.
Accurately measuring real-world spectrum usage and the performance of spectrum-dependent systems is the best way to improve and validate propagation models. NTIA’s Institute for Telecommunication Sciences (ITS) has been a primary resource in designing and conducting measurement campaigns, applying its decades of experience to ensuring measurements are accurate and provide meaningful data.
Now, ITS is releasing a handbook of best practices for propagation measurements, outlining how to calibrate, document, verify, and validate these measurements.
This handbook – “Best Practices for Radio Propagation Measurements” – builds on working papers developed while ITS was working with the Defense Spectrum Organization (DSO) to help improve propagation models used by the DSO’s Spectrum Sharing Test & Demonstration program.
“Propagation measurements, while seemingly straightforward, are prone to errors and other uncertainties that potentially decrease the confidence in measurement results and associated application,” says Howard McDonald, DSO’s Advanced Access Initiatives Branch Chief. “The NTIA/ITS ‘Best Practices’ report is a valuable resource to reduce the uncertainties of propagation measurement campaigns.”
To view the handbook, visit the ITS website.