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Traceable measurement of source and receiver EVM using a real-time oscilloscope.

Humphreys, D A; Miall, J (2013) Traceable measurement of source and receiver EVM using a real-time oscilloscope. IEEE Trans. Instrum. Meas., 62 (6). pp. 1413-1416.

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Abstract

A method to traceably calibrate Wideband Code Division Multiple Access (WCDMA) Error Vector Magnitude (EVM) contributions of a source or receiver is described using a Real-Time Digital Oscilloscope as the reference receiver. The results and uncertainties are presented for a receiver calibrated using four WCDMA sources from different manufacturers. The weighted mean EVM of the receiver at 900 MHz is 0.35 ±0.03 % at 95% confidence. Measurement results at 1780 MHz and 2510 MHz are also reported.

Item Type: Article
Keywords: Code division multiaccess, Communications equipment testing, Measurement errors, Oscilloscopes, Uncertainty, Test equipment
Subjects: Electromagnetics
Electromagnetics > Wireless Communications
Identification number/DOI: 10.1109/TIM.2013.2238458
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/5814

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