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Implementation of a Multi-User Detector for satellite return links on a GPU platform

Francisco Lazaro Blasco, Chen Tang
2014 2014 7th Advanced Satellite Multimedia Systems Conference and the 13th Signal Processing for Space Communications Workshop (ASMS/SPSC)  
In this paper a novel Graphics Processing Unit (GPU)-based Software Defined Radio (SDR) implementation of a MUD receiver for transparent satellite return link is presented, which uses iterative channel  ...  In addition to its high flexibility and low cost, with the GPU acceleration our SDR MUD receiver implementation achieves a decoding throughput of 270 Kbps using a single GPU card.  ...  ACKNOWLEDGEMENTS The authors were supported by the Space Agency of the German Aerospace Center and the Federal Ministry of Economics and Technology based of on the agreement of the German Bundestag, under  ... 
doi:10.1109/asms-spsc.2014.6934525 dblp:conf/asms-spsc/BlascoT14 fatcat:vsqf7efps5cshkjzayk3mawxxa

Design Space Exploration of LDPC Decoders Using High-Level Synthesis

Joao Andrade, Nithin George, Kimon Karras, David Novo, Frederico Pratas, Leonel Sousa, Paolo Ienne, Gabriel Falcao, Vitor Silva
2017 IEEE Access  
More specifically, we consider three state-of-the-art HLS tools and demonstrate how they can enable users with little hardware design expertise to quickly explore a large design space and develop complex  ...  Based on these results, we provide insights that will help users to select the most suitable model for designing LDPC decoder blocks using these HLS tools.  ...  To provide a fair comparison across the HLS and RTL implementations, data concerning both logic utilization, number of PUs and the edges in the LDPC code is provided in Figures 9, 10, and 11 .  ... 
doi:10.1109/access.2017.2727221 fatcat:xkggvch3wfbezefdmd6nntpugq

Wireless Network Coding via Modified 802.11 MAC/PHY: Design and Implementation on SDR

M. H. Firooz, Zhiyong Chen, S. Roy, Hui Liu
2013 IEEE Journal on Selected Areas in Communications  
Our primary objective in this work is to suggest pragmatic and novel modifications at the MAC and PHY layers of the 802.11 protocol stack on a Software Radio (SORA) platform to support WNC and obtain achievable  ...  Two-way information exchange (both symmetric and asymmetric) between a pair of 802.11 sources/sinks using an intermediate relay node is a canonical scenario for evaluating the effectiveness of Wireless  ...  In an SDR system, components that are typically implemented in hardware (e.g., mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a suitable  ... 
doi:10.1109/jsac.2013.130823 fatcat:4id46fh7qjeobfspkfg75m6ws4

Survey of Inter-satellite Communication for Small Satellite Systems: Physical Layer to Network Layer View [article]

Radhika Radhakrishnan, William Edmonson, Fatemeh Afghah, R. Rodriguez-Osorio, Frank Pinto, Scott Burleigh
2016 arXiv   pre-print
Small satellite systems enable whole new class of missions for navigation, communications, remote sensing and scientific research for both civilian and military purposes.  ...  This paper also reviews the various design parameters applicable to the first three layers of the OSI model, i.e., physical, data link and network layer.  ...  The research described in this paper was performed in part at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.  ... 
arXiv:1609.08583v2 fatcat:tzyqiyqbqfgkhk3dnctw5t4rfu

Cognitive Radio: State of Research Domain in Next Generation Wireless Networks - A Critical Analysis

Jai SukhPaulSingh, Jasvir Singh, A. S. Kang
2013 International Journal of Computer Applications  
Main focus is given on Present State of Research, Architecture and Future Scope for CR.  ...  Cognitive Radio allows group of users to identify and access to available spectrum resources for their optimum use. Recent studies show that most of the assigned spectrum is underutilized.  ...  In SDR different components of the radio communication system like amplifier and filters have been implemented in software instructions rather than the hardware [4] .  ... 
doi:10.5120/12918-9741 fatcat:rr6hmqjsyrecbc6zsf2qvgfdzm

Advanced Physical-Layer Technologies in VHF Data Link Communications [article]

Hosseinali Jamal, David W. Matolak
2020 arXiv   pre-print
5G uplink communication links, the discrete Fourier transform-spread OFDM (DFT-s-OFDM), and discuss how we can take advantage of using the same LTE and 5G hardware resources.  ...  VDL2 and 3 received attention due to its simplicity and more constant amplitude waveform, yielding lower PAPR. Recently, advanced VHF digital link (A-VDL) was proposed for VHF.  ...  As future work, we can do some lab testing after implementing A-VDL on software define radios (SDRs), and actual flight testing. Figure 1 . 1 VDL2 D8PSK constellation.  ... 
arXiv:2005.11456v1 fatcat:oxnicqe6bvevnpx7ngx4rtslpm

Cooperative Stepwise Relaying and Combining for Multihop Vehicular Wireless Communication

Yi Zhu, Lixing Song, Shaoen Wu, Honggang Wang, Chonggang Wang
2015 IEEE Transactions on Vehicular Technology  
The comparison among the proposed scheme and the conventional scheme is conducted through simulation and software defined radio experiments.  ...  This paper proposes a novel cooperative scheme named Cooperative Step-wise Relaying and Combining (CSRC) for multihop wireless networks, which utilizes low-order demodulations to patricianly demodulate  ...  The authors would thank the support from the US National Science Foundation through the grants #1041292 and #1041095 to perform this work.  ... 
doi:10.1109/tvt.2014.2346031 fatcat:qrlkegzmwbgfdesurb7l2qmafu

The M2DC Project: Modular Microserver DataCentre

Mariano Cecowski, Giovanni Agosta, Ariel Oleksiak, Michal Kierzynka, Micha vor dem Berge, Wolfgang Christmann, Stefan Krupop, Mario Porrmann, Jens Hagemeyer, Rene Griessl, Meysam Peykanu, Lennart Tigges (+13 others)
2016 2016 Euromicro Conference on Digital System Design (DSD)  
The key advantage is the combination of software-like flexibility with the performance otherwise common to hardware.  ...  This paper provides an overview of the different topics FPGAs have been used for in the last 15 years of research and why they have been chosen over other processing units like e.g. CPUs.  ...  Simulation Analytical space harmonic model of permanent magnet machines for hardware-in-the-loop simulation 2015 [806] IV.  ... 
doi:10.1109/dsd.2016.76 dblp:conf/dsd/CecowskiAOKBCKP16 fatcat:bu4nbkqaejebjafrotibui6mkq

Survey of Inter-Satellite Communication for Small Satellite Systems: Physical Layer to Network Layer View

Radhika Radhakrishnan, William W. Edmonson, Fatemeh Afghah, Ramon Martinez Rodriguez-Osorio, Frank Pinto, Scott C. Burleigh
2016 IEEE Communications Surveys and Tutorials  
The proliferation of small satellites will enable a better understanding of the near-Earth environment and provide an efficient and economical means to access the space through the use of multi-satellite  ...  Small satellite systems enable a whole new class of missions for navigation, communications, remote sensing, and scientific research for both civilian and military purposes.  ...  Sun Yi, Rawfln Zaman and Solomon Gebreyohannes who provided insight and expertise that greatly assisted the study and preparation of this research paper.  ... 
doi:10.1109/comst.2016.2564990 fatcat:jzrkyyrqajgehmznkwxaiy3nlq

Proceedings of Workshop AEW10: Concepts in Information Theory and Communications [article]

Kees A. Schouhamer Immink, Stan Baggen, Ferdaous Chaabane, Yanling Chen, Peter H.N. de With, Hela Gassara, Hamed Gharbi, Adel Ghazel, Khaled Grati, Naira M. Grigoryan, Ashot Harutyunyan, Masayuki Imanishi (+19 others)
2017 arXiv   pre-print
The idea of the workshop is threefold: 1) to improve the communication between the scientist in the different parts of the world; 2) to exchange knowledge and ideas; and 3) to pay a tribute to a well respected  ...  and special scientist.  ...  Acknowledgment: Special thanks to Peter Oppermann who did all decoder implementations in the scope of his master thesis, to Professor Gerhard Bauch for supervision of the thesis and to Matthias Tschauner  ... 
arXiv:1707.08567v1 fatcat:4pqbuw2aljglbb4o2x7msoszum

WGAN-based Autoencoder Training Over-the-air [article]

Sebastian Dörner, Marcus Henninger, Sebastian Cammerer, Stephan ten Brink
2020 arXiv   pre-print
For this, we show advantages and limitations of GAN-based end-to-end training.  ...  In particular, for non-linear effects, it turns out that learning the whole exploration space becomes prohibitively complex.  ...  For simplicity and a fair comparison with a quadrature amplitude modulation (QAM)-baseline, this is not considered, yet an extension is straightforward.  ... 
arXiv:2003.02744v1 fatcat:7nlakjkrufcg7hl3lvwfriirzi

Over-the-Air Implementation of NOMA: New Experiments and Future Directions

Yue Qi, Xinliang Zhang, Mojtaba Vaezi
2021 IEEE Access  
ACKNOWLEDGMENT The authors would like to thank NI for their technical guidance in hardware issues and software support.  ...  We also thank the editor and anonymous reviewers for their valuable suggestions during the editorial process.  ...  One can flexibly reconfigure an SDR and implement communication modules in software instead of hardware.  ... 
doi:10.1109/access.2021.3116613 fatcat:sjejpuf27vb4novwjosxfj4xuu

Differentiated Statistical QoS Guarantees for Real-Time CBR Services in Broadband Wireless Access Networks

Hong Zhou, Zhongwei Zhang
2010 2010 International Conference on Computational Intelligence and Software Engineering  
Also, the decoding complexity of the proposed codes are comparable to turbo and LDPC codes.  ...  Yi Fang Xiamen University, China 30431 A Receiver Structure of Joint LDPC Decoding and Synchronization for Deep Space Communications Zengran Wan Tsinghua University, China 30721 Turbo-Coded  ... 
doi:10.1109/wicom.2010.5601439 fatcat:kaereulmjzhbdpknj727a4vuri

Enhanced Remote Areas Communications: the Missing Scenario for 5G and Beyond 5G Networks

Luciano Mendes, Calos Moreno, Maria Marquezini, Andre Cavalcante, Peter Neuhaus, Jorge Seki, Nathalia Aniceto, Heikki Karvonen, Ivan Vidal, Francisco Valera, Priscila Solis, Marcos Caetano (+2 others)
2020 IEEE Access  
aims at conceiving, implementing and deploying an innovative mobile network, designed to provide reliable and cost-effective connection in these regions.  ...  By offering support for high throughput connections, low latency response and massive number of connections, the fifth generation of the mobile network will trigger applications unseen in any other network  ...  The LDPC decoder implements the min-sum algorithm with a maximum of 20 iterations. The polar code decoder implements SCL decoding [44] with a list size of 8.  ... 
doi:10.1109/access.2020.3042437 fatcat:z6glvtc65rbktay6jne3ufqiz4

Nonorthogonal Multiple Access for 5G and Beyond

Yuanwei Liu, Zhijin Qin, Maged Elkashlan, Zhiguo Ding, Arumugam Nallanathan, Lajos Hanzo
2017 Proceedings of the IEEE  
, on the interplay between NOMA and cooperative transmission, on the resource control of NOMA, on the co-existence of NOMA with other emerging potential 5G techniques and on the comparison with other NOMA  ...  Finally, we offer some design guidelines for NOMA systems and identify promising research opportunities for the future.  ...  The essential idea behind SDR is to implement the baseband signal processing algorithms in software instead of hardware, which hence exhibit a high grade of flexibility and reconfigurability, when designing  ... 
doi:10.1109/jproc.2017.2768666 fatcat:kpplouvkwbfurhitb3plb3y73m
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