NDLI: Study of oscillators frequency stability in satellite communication links

Content Provider	IEEE Xplore Digital Library
Author	Baran, O. Kasal, M.
Copyright Year	2009
Description	Author affiliation: Department of Radio Electronics, Brno University of Technology, Czech Republic (Baran, O.; Kasal, M.)
Abstract	Our work is devoted to frequency domain and time domain simulations of the oscillator phase noise, we deals with the time and the frequency stability of oscillators. Increasing communication rates, long communication distances, increasing computing speeds of modern computers, eventually, put claims on the accuracy and especially on the stability of carrier frequencies or timing. In real systems, the noise is always presented and it is not possible to be totally suppressed. But studying of the noise behavior, one can find the way of minimizing the noise influence and thus, the way of developing systems with better parameters. According to given phase noise parameters in the frequency domain, we simulate the oscillator output signal distorted with this noise in the time domain. With help of time dependent time fluctuations, oscillator output signal is processed statistically with Allan variances. Simulated results are in a good coincidence with the direct calculation implying from the domains conversion formula. The signal affected by the phase noise is going to be utilized for the evaluation of the phase noise influence in satellite communication chains.
Starting Page	535
Ending Page	540
File Size	933021
Page Count	6
File Format	PDF
ISBN	9781424436279
DOI	10.1109/RAST.2009.5158253
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-11
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase noise Fluctuations Stability Computational modeling Oscillators Frequency domain analysis Phase distortion power-law noise white noise Signal processing Timing flicker noise Satellite communication Frequency stability phase noise
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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