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Non-Linear Distortion Cancellation and Symbol-Based Equalization in Satellite Forward Links

Svilen Dimitrov
2017 IEEE Transactions on Wireless Communications  
In this paper, a low-complexity symbol-based equalizer that performs non-linear distortion cancellation is proposed for application at the user terminal in the DVB-S2X satellite forward link.  ...  The PER performance is compared against a number of predistortion techniques at the transmitter, such as dynamic data pre-distortion, successive data pre-distortion, and static data predistortion.  ...  . 2) TWTA: In this study, a practical model of a non-linear Ka-band linearized TWTA in the satellite forward link is considered.  ... 
doi:10.1109/twc.2017.2699185 fatcat:adb7xup23ncinhxuey6d3scdja

Non-linear distortion noise cancellation for satellite forward links

Svilen Dimitrov
2016 2016 8th Advanced Satellite Multimedia Systems Conference and the 14th Signal Processing for Space Communications Workshop (ASMS/SPSC)  
The improved receiver is compared to state-of-the-art compensation techniques, such as pre-distortion at transmitter and linear equalization at receiver.  ...  In this paper, an iterative receiver that performs non-linear distortion noise cancellation is proposed for application at the user terminal in the DVB-S2X satellite forward link.  ...  State-of-the-Art Channel Compensation Techniques The non-linear compensation solutions include a variety of pre-distortion techniques at the transmitter.  ... 
doi:10.1109/asms-spsc.2016.7601465 dblp:conf/asms-spsc/Dimitrov16 fatcat:pgjhh4v6ivh2xdk7u3z3qnhgxy

Estimation and cancellation of transponder distortions in satellite forward links using memory polynomials

Svilen Dimitrov
2018 International Journal of Satellite Communications And Networking  
Non-linear compensation schemes include a number of pre-distortion techniques at the transmitter, such as signal pre-distortion [3], [4], [5] and data pre-distortion [3], [6], [7], [8], [9], [10].  ...  In this paper, a practical realization of a non-linear equalizer with distortion cancellation at a satellite receiver is studied, using a memory polynomial model for channel estimation and distortion cancellation  ...  State of the Art In literature, the non-linear compensation solutions include a variety of pre-distortion techniques at the transmitter, such as signal pre-distortion [3] , band-limited signal pre-distortion  ... 
doi:10.1002/sat.1239 fatcat:xt2zb3ceovf5vn2zeorktpxy7m

Efficient Waveform Design for High-Bit-Rate W-band Satellite Transmissions

Claudio Sacchi, Tommaso Rossi, Marina Ruggieri, Fabrizio Granelli
2011 IEEE Transactions on Aerospace and Electronic Systems  
The effect of nonlinear distortions, introduced by power-efficient saturating amplifiers, can be drastically reduced without any power back-off and maintaining a very good spectral efficiency.  ...  In the EHF (Extremely High Frequency) domain, W-band (75-110 GHz) offers promising perspectives for future satellite communications, mainly in terms of large bandwidth availability for high-bit-rate transmission  ...  An analog parametric filter design with controllable shaping has been used in order to model non-ideal bandpass behavior of the satellite link.  ... 
doi:10.1109/taes.2011.5751238 fatcat:4zceoqitpzbhjjszmug5qaxvue

EHF for Satellite Communications: The New Broadband Frontier

Ernestina Cianca, Tommaso Rossi, Asher Yahalom, Yosef Pinhasi, John Farserotu, Claudio Sacchi
2011 Proceedings of the IEEE  
the exploitation of Extremely High Frequency (EHF) bands (30-300 GHz) for broadband transmission over satellite links is a hot research topic nowadays.  ...  This paper aims at presenting an overview of the current status of research and technology in EHF satellite communications and taking a look at future perspectives in terms of applications and services  ...  Non-linear distortions-driven design Impairments due to non-linear distortions can be mitigated through two basic baseband design choices: 1) Proper design of the modulation to be used. 2) Use of pre-distortions  ... 
doi:10.1109/jproc.2011.2158765 fatcat:5qb2hfeahnaevpumeyqlp3ls2q

Joint Channel Estimation and Nonlinear Distortion Compensation in OFDM Receivers [article]

Sergey V. Zhidkov
2016 arXiv   pre-print
Nonlinear distortion in power amplifiers (PA) can significantly degrade performance of orthogonal frequency division multiplexed (OFDM) communication systems.  ...  A sub-optimal decision-aided algorithm for adaptive compensation of nonlinear distortion effects at the receiver-side is also presented.  ...  TWTA are used in high power satellite links while SSPA are used in many other applications because of its small size.  ... 
arXiv:1612.09222v1 fatcat:m53oxbx2sbhgdis22dmuypn77m

Hybrid Satellite–Terrestrial MIMO for Mobile Digital Broadcasting [chapter]

2013 Next Generation Mobile Broadcasting  
clipping PA (b). .................22 BER performance with linearized TWTA PA and AGWN channel.  ...  high-power amplifiers to work far from the saturation point.  ... 
doi:10.1201/b14186-33 fatcat:wntrng23z5glrjpuvst4bgsuq4

Space-based aperture array for ultra-long wavelength radio astronomy

Raj Thilak Rajan, Albert-Jan Boonstra, Mark Bentum, Marc Klein-Wolt, Frederik Belien, Michel Arts, Noah Saks, Alle-Jan van der Veen
2015 Experimental astronomy (Print)  
However, Earth-based radio astronomy below frequencies of 30MHz is severely restricted due to man-made interference, ionospheric distortion and almost complete non-transparency of the ionosphere below  ...  In light of a scalable array and to avert single point of failure, we propose both centralized and distributed solutions for the ULW space-based array.  ...  , and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.  ... 
doi:10.1007/s10686-015-9486-6 fatcat:i5jlvcdcqrhzhfk2s7fbx5arzi

An intermediate frequency predistortion linearizer for an earth station traveling-wave tube amplifier

Mark Jan Wlodyka
The intermodulation distortion caused by the AM/AM and AM/PM conversion effect of the microwave transmit high power amplifier (HPA) can be reduced by applying linearization techniques.  ...  A nonlinear model based on the third-order distortion phase of a TWTA is used to develop a new linearizer design model.  ...  Kiesel, "Two-Stage Pre-Distortion -A Method to Reduce the Non-Linearities of Microwave Power Amplifiers," Nachrichtentechn., Z, H. 1, pp. 19-23, 1979. [8] R.P. Hecken and R.C.  ... 
doi:10.14288/1.0096936 fatcat:4edwca4uhranvjqpyya7hmst4i

Multicarrier digital pre-distortion/ equalization techniques for non-linear satellite channels

Roberto Piazza, Bhavani Shankar, Daniel R, Joel Grotz, Frank Zimmer, Michael Grasslin, Frieder Heckmann, Stefano Cioni
2012 30th AIAA International Communications Satellite System Conference (ICSSC)   unpublished
Grotz, J. et al. (2012) Multicarrier digital pre-distortion/ equalization techniques for non-linear satellite channels.  ...  Joint amplification of multiple-carrier DVB-S2 signals using a single High-Power Amplifier (HPA) is a particular application of satellite resource sharing.  ...  Non-Linear Satellite Channel Model The typical model of the path between the transmitter and the receiver in a transparent satellite communication is shown in Figure 1 .  ... 
doi:10.2514/6.2012-15156 fatcat:6qu4sksgg5ge5ljpvliecvorpi

Solar Satellites

Brian Dennis, Ryan Milligan
2010 Scholarpedia  
The Ka-band (32 GHz) high-power transmitters are 40 W RF output power traveling wave tube amplifiers (TWTAs).  ...  The X-band transmitters are 13-W TWTAs with heritage from the New Horizons mission and are approximately 40% efficient (32 W primary DC power).  ...  Moreover, by making direct, in-situ measurements of the region where some of the most hazardous solar energetic particles are energized, Solar Probe+ will make a fundamental contribution to our ability  ... 
doi:10.4249/scholarpedia.6139 fatcat:tppmdndvovhs3nomq5kfd4wgfm

Conference Programme

2021 2020 50th European Microwave Conference (EuMC)   unpublished
level • System level verification against golden standards using Virtual Test Benches (VTBs) in ADS • How to linearize a Power Amplifier designed in ADS using the Digital Pre-Distortion (DPD) design capabilities  ...  ), ²KOA EUROPE GmbH Surface Mountable L-and C-Band Pre-Distorted Filters for Frequency Converters of High Throughput Satellite Systems Paolo Vallerotonda¹, Alessandro Cazzorla², Davide Tiradossi², Luca  ... 
doi:10.23919/eumc48046.2021.9338166 fatcat:vjpch4b4dfex5hwwl45d4a3i4m

Interference Management and Energy Efficiency in Satellite Communications

Francesco Lombardo, Claudio Fiegna, Vanelli-Coralli Alessandro, E Giovanni, Corazza
2014 unpublished
Acknowledgements The activity reported in this chapter has been performed in the context of ESA Study "Next Generation Waveforms for Satellite Systems".  ...  Acknowledgment This work has been in part supported by the ESA Project n. 4000102296/11 "Cost Effective Satellite Terminals for MESH Overlay Networking".  ...  be taken into account when designing a system, also considering inefficiencies related to high power amplifiers (HPA) non linearity.  ... 

Special Area Chairs TELET Ad hoc, autonomic and sensor networks Cognitive Radio Track Ad Hoc, autonomic and sensor networks Track

St, Mariusz Glabowski, Michael Logothetis, Javier Del, Ser Lorente, Michel Marot, Telecom Sudparis, France Massoth, Hochschule Darmstadt, Germany Glabowski, Harald Øverby, Michael Logothetis (+81 others)
2011 unpublished
The creation of such a broad and high-quality conference program would not have been possible without their involvement.  ...  We hope that AICT 2011 was a successful international forum for the exchange of ideas and results between academia and industry and for the promotion of progress in telecommunications.  ...  The beautiful places of St. Maarten surely provided a pleasant environment during the conference and we hope you had a chance to visit the surroundings.  ...