Bandwidth estimation algorithm of digitally modulated signals based on histogram of spectrum

In this paper, we propose an estimation method of the bandwidth of digitally modulated signals, which is newly defined, based on the histogram of the signal spectrum. The estimation of bandwidth is widely used for efficient utilization of the limited radio frequency spectrum and the identification o...

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Bibliographic Details
Published in2016 IEEE International Instrumentation and Measurement Technology Conference Proceedings pp. 1 - 6
Main Authors Ahn, W. H., Roh, J. H., Shim, H. S., Bo Seok Seo, Sun Phil Nah
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2016
Subjects
Bandwidth
bandwidth estimation
Baseband
Estimation
Floors
Frequency shift keying
histogram
Histograms
occupied bandwidth
spectrum
x dB bandwidth
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Summary:In this paper, we propose an estimation method of the bandwidth of digitally modulated signals, which is newly defined, based on the histogram of the signal spectrum. The estimation of bandwidth is widely used for efficient utilization of the limited radio frequency spectrum and the identification of emission characteristics. Generally, for the estimate to be uniform and reliable, the estimation process requires some specific conditions of an ideal channel environment and the previously known type of the emission. On the other hand, the proposed method does not require a priori knowledge about the modulation type or the received signal to noise power ratio. Experiment results with real generated signals are demonstrated to evaluate the performance of the proposed method under additive Gaussian noise channels.
DOI:10.1109/I2MTC.2016.7520394