Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear Channel

Future broadband satellite communication (SatCom) systems require a high throughput of data transmission, which calls for operation at higher frequency bands. Adaptive coding and modulation (ACM) technology has been considered as a means to obtain improved performance further at these frequencies. H...

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Main Authors: Mengwei Sun, George Goussetis, Kai Xu, Yuan Ding, Stephen Mclaughlin, Andrea Segneri, Maria Jesus Canevate Sanchez
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9756573/
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author Mengwei Sun
George Goussetis
Kai Xu
Yuan Ding
Stephen Mclaughlin
Andrea Segneri
Maria Jesus Canevate Sanchez
author_facet Mengwei Sun
George Goussetis
Kai Xu
Yuan Ding
Stephen Mclaughlin
Andrea Segneri
Maria Jesus Canevate Sanchez
author_sort Mengwei Sun
collection DOAJ
description Future broadband satellite communication (SatCom) systems require a high throughput of data transmission, which calls for operation at higher frequency bands. Adaptive coding and modulation (ACM) technology has been considered as a means to obtain improved performance further at these frequencies. However, the ACM protocols in current DVB-S2 and DVB-S2(X) standards do not take the effects that arise from the non-linear link with memory into account, which is generated by the cascade of a high-power amplifier (HPA) and digital root raised cosine (RRC) filters. This paper first reveals the non-linear characteristics of the SatCom link, and transfers this into an equivalent full-linear link with an additive noise source thanks to the pre-distortion algorithm. Using this equivalent modeling, an approach of selecting/adapting the optimum coding, modulation scheme and associated system configurations for a given channel fading level is proposed. Both simulations and experimental test-bed performance are presented to validate the proposed method.
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spelling doaj.art-aef9a2db3b03416288f40f02ff955bb22022-12-22T01:47:08ZengIEEEIEEE Access2169-35362022-01-0110407944080510.1109/ACCESS.2022.31670329756573Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear ChannelMengwei Sun0https://orcid.org/0000-0001-7168-6108George Goussetis1https://orcid.org/0000-0002-8042-2347Kai Xu2https://orcid.org/0000-0001-7761-8050Yuan Ding3https://orcid.org/0000-0002-5953-3800Stephen Mclaughlin4https://orcid.org/0000-0002-9558-8294Andrea Segneri5https://orcid.org/0000-0002-1455-9943Maria Jesus Canevate Sanchez6https://orcid.org/0000-0003-2431-8841School of Engineering, Institute of Digital Communications, The University of Edinburgh, Edinburgh, U.K.School of Engineering and Physical Sciences, Institute of Sensors Signals and Systems, Heriot-Watt University, Edinburgh, U.K.School of Engineering, Institute of Digital Communications, The University of Edinburgh, Edinburgh, U.K.School of Engineering and Physical Sciences, Institute of Sensors Signals and Systems, Heriot-Watt University, Edinburgh, U.K.School of Engineering and Physical Sciences, Institute of Sensors Signals and Systems, Heriot-Watt University, Edinburgh, U.K.School of Engineering and Physical Sciences, Institute of Sensors Signals and Systems, Heriot-Watt University, Edinburgh, U.K.School of Engineering and Physical Sciences, Institute of Sensors Signals and Systems, Heriot-Watt University, Edinburgh, U.K.Future broadband satellite communication (SatCom) systems require a high throughput of data transmission, which calls for operation at higher frequency bands. Adaptive coding and modulation (ACM) technology has been considered as a means to obtain improved performance further at these frequencies. However, the ACM protocols in current DVB-S2 and DVB-S2(X) standards do not take the effects that arise from the non-linear link with memory into account, which is generated by the cascade of a high-power amplifier (HPA) and digital root raised cosine (RRC) filters. This paper first reveals the non-linear characteristics of the SatCom link, and transfers this into an equivalent full-linear link with an additive noise source thanks to the pre-distortion algorithm. Using this equivalent modeling, an approach of selecting/adapting the optimum coding, modulation scheme and associated system configurations for a given channel fading level is proposed. Both simulations and experimental test-bed performance are presented to validate the proposed method.https://ieeexplore.ieee.org/document/9756573/DVB-S2/DVB-S2(X)equivalent full-linear linknon-linear systemoptimum configurations
spellingShingle Mengwei Sun
George Goussetis
Kai Xu
Yuan Ding
Stephen Mclaughlin
Andrea Segneri
Maria Jesus Canevate Sanchez
Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear Channel
IEEE Access
DVB-S2/DVB-S2(X)
equivalent full-linear link
non-linear system
optimum configurations
title Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear Channel
title_full Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear Channel
title_fullStr Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear Channel
title_full_unstemmed Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear Channel
title_short Joint Digital Analogue DVB-S2(X) Link Optimization in Non-Linear Channel
title_sort joint digital analogue dvb s2 x link optimization in non linear channel
topic DVB-S2/DVB-S2(X)
equivalent full-linear link
non-linear system
optimum configurations
url https://ieeexplore.ieee.org/document/9756573/
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