Measurements of Short-Time Spectrum Occupancy for Ionospheric Propagation

Cornel Balint, Aldo De Sabata

Abstract

Results concerning short time spectrum occupancy in the 3-15 MHz spectrum range of the High Frequency band (3-30MHz) for a 24-hour period are reported. Measurements have been completed using an USRP equipment and a broadband HF antenna in February – March 2017. Results indicate that convenient free bandwidths exist for short time intervals. These free frequency intervals can be used for opportunistic transmissions in an emergency communications system. Spectrum occupancy measurements can also be considered by authorities when deciding on spectrum allocation.

Keywords

Short time spectrum occupancy, duty cycle, congestion, USRP

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IMEKO-TC4-2017-050.pdf

DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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