A DSP-based instrument for in-service wireless transmitter power measurement

Leopoldo Angrisani, Rosario Schiano Lo Moriello, Giovanni Scarpato, Michele Vadursi

Abstract

A prototype of a DSP-based instrument for in-service transmitter power measurements is presented. The instrument implements a signal-selective algorithm for power measurements that is suitable for use in wireless environments, where possible uncontrolled interfering sources occupy the radio channel and are overlapped to the signal emitted by the transmitter under test, possibly in both time and frequency domains. The measurement method exploits the principles of cyclic spectral analysis, which are briefly recalled in the paper. Potentialities as well as use limitations for the prototype are discussed, also with reference to the results of some experimental tests.

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IMEKO TC

TC10 - Measurement for Diagnostics, Optimization and Control

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