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Residue Number System Fade Mitigation Technique with Error Detection and Correction on a Satellite Communication Link

Rain fade is the loss of signal power at the receiver of a telecommunication system mainly due to absorption and scattering caused by rain in the transmission medium, especially at frequencies above 10 GHz. In order to combat the loss of the signal power at the receiver, there is the need to employ rain fade mitigation techniques. Consequently, researchers have been studying how rain affects the signal in different geographical locations as well as proposing some mitigation techniques. Power control is one of the mitigation techniques that have been proposed. But this technique has some associated challenges. Increasing the power will lead to an increase in cost of transmission which will eventually be passed on to the consumer thereby making satellite services expensive. It requires high power in uplink and downlink which increases the burden either on user terminal or satellite payload. Also, because of health concerns there is a limit to the amount of power that can be radiated to the ground and this is governed by international agreements. Another power management drawback in using this technique is that, uplink power control is not efficient in directing the added power to only the ground station experiencing path attenuation, because the additional power is distributed to all locations within the satellite antenna coverage area. In this paper, we address the power control challenges, by leveraging on the inherent properties of Residue Number System (RNS) and Redundant Residue Number System (RRNS) to propose an RNS architecture using the moduli set {22n+1-1, 22n -1, 22n, 24n+1 -1, 22n +1} that can mitigate rain fade in the satellite link as well as detect and correct multiple errors. In digital communication systems, the bit energy, eb, is the most important parameter in determining the communications link performance. Numerical analysis shows that the proposed scheme performs better than the traditional method as indicated in the high energy per bit value obtained in the proposed system in comparison with the traditional method, all other things being equal.

Rain Fade Mitigation, Power Control, Residue Number System, Redundant Residue Number System

APA Style

Stephen Akobre, Mohammed Ibrahim Daabo, Abdul-Mumin Salifu. (2021). Residue Number System Fade Mitigation Technique with Error Detection and Correction on a Satellite Communication Link. Advances in Networks, 9(2), 23-32. https://doi.org/10.11648/j.net.20210902.11

ACS Style

Stephen Akobre; Mohammed Ibrahim Daabo; Abdul-Mumin Salifu. Residue Number System Fade Mitigation Technique with Error Detection and Correction on a Satellite Communication Link. Adv. Netw. 2021, 9(2), 23-32. doi: 10.11648/j.net.20210902.11

AMA Style

Stephen Akobre, Mohammed Ibrahim Daabo, Abdul-Mumin Salifu. Residue Number System Fade Mitigation Technique with Error Detection and Correction on a Satellite Communication Link. Adv Netw. 2021;9(2):23-32. doi: 10.11648/j.net.20210902.11

Copyright © 2021 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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