@inproceedings{d47e43c6cf91433d901c3b4813400563,
title = "Comparison study of scalar and vector calibrations for wideband modulation signals",
abstract = "As generating the wideband modulation signals, the signal quality is usually degraded by many impairments such as I/Q path delay, non-flat RF frequency response and etc. In this paper, the authors propose two methods by using Keysight SystemVue{\texttrademark} to create the modulation signals and download them to an arbitrary waveform generator (AWG) for further calibration. To compare these two methods, a 64 QAM modulation waveform with a bandwidth over 1GHz was evaluated. The first method is multi-Tone scalar calibration which improves the error vector magnitude (EVM) from 5.3 % to 4.2 %. The other one is vector calibration which improves the EVM from 5.3% to 1.1%. Finally, these signals are used to measure the system performance of an amplifier. As found, the modulation signal with vector calibration can show the more exact effect of AM/AM and AM/PM on EVM of the amplifier than scalar does.",
keywords = "64 QAM, arbitrary waveform generator, scalar calibration, vector calibration, wideband modulation",
author = "Lin, {Shuw Guann} and Chang, {Da Chiang} and Juang, {Ying Zong} and Chiou, {Hwann Kaeo}",
note = "Publisher Copyright: {\textcopyright} 2015 EuMA.; 45th European Microwave Conference, EuMC 2015 ; Conference date: 07-09-2015 Through 10-09-2015",
year = "2015",
month = dec,
day = "2",
doi = "10.1109/EuMC.2015.7346071",
language = "???core.languages.en_GB???",
series = "European Microwave Week 2015: {"}Freedom Through Microwaves{"}, EuMW 2015 - Conference Proceedings; 2015 45th European Microwave Conference Proceedings, EuMC",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1547--1550",
booktitle = "European Microwave Week 2015",
}