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Satellite Model for Network Simulator 3
2014
Proceedings of the Seventh International Conference on Simulation Tools and Techniques
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Also, the evolution of DVB-S2, currently called DVB-Sx, is in standardization process. ...
The satellite extensions are based on DVB-S2 and DVB-RCS2 specifications for forward and return links, respectively. ...
ACKNOWLEDGEMENTS This project have been funded by European Space Agency in the scope of ARTES 5.1 AO6947 "Development of an open-source, modular and flexible satellite network simulator" project (contract ...
doi:10.4108/icst.simutools.2014.254631
dblp:conf/simutools/PuttonenRLKAA14
fatcat:or7pi72ugrddrjrmspqs7icg5m
Improving web experience on DVB-RCS2 links
2015
Annales des télécommunications
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This paper compares random and dedicated access methods by measuring their impact on the performance of Transmission Control Protocol (TCP) sessions when the home users exploit the DVB-RCS2 link for regular ...
Based on NS-2 simulations using realistic system parameters of the DVB-RCS2 link, we demonstrate that, compared to dedicated access methods, which generally result in higher levels of transmitted data, ...
Simulating DVB-RCS2 We now survey available tools to simulate DVB-RCS2. ...
doi:10.1007/s12243-015-0467-6
fatcat:qbpwplsvfjeclhocvb6t5kiuei
Analyses of Time Division Multiple Access (TDMA) Schemes for Global Mobile Satellite Communications (GMSC)
2020
TransNav: International Journal on Marine Navigation and Safety of Sea Transportation
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The problem of simultaneous communications between many single or multipoint mobile satellite users, however, can be solved by using the Multiple Access Technique (MAT) schemes. ...
This paper provides analyzes of the Time Division Multiple Access (TDMA) techniques and their hybrids with Time Division Multiplexing (TDM) for implementation in Global Mobile Satellite Communications ...
multiple access techniques for GMSC systems, the uplink carriers from Ground Earth Station (GES) terminals may be separate in time, not in frequency, code, or space. ...
doi:10.12716/1001.14.04.06
fatcat:rprltprar5c2pc4klz2eedbw6u
MF-TDMA Scheduling Algorithm for Multi-Spot Beam Satellite Systems Based on Co-Channel Interference Evaluation
2019
IEEE Access
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In particular, two novel interference-aware scheduling algorithms for a DVB-RCS2 return uplink are presented. ...
INDEX TERMS MF-TDMA, satellite, DVB, ICIC, resource scheduling. ...
CONCLUSIONS In this work an improvement of classical Multi-frequency time-division multiple access (MF-TDMA) frequency reuse allocation algorithm for a DVB-RCS2 return uplink has been proposed. ...
doi:10.1109/access.2018.2887167
fatcat:cffuv7kcvjbuzkhvhq4mbbavmu
A survey of architectures and scenarios in satellite-based wireless sensor networks: system design aspects
2012
International Journal of Satellite Communications And Networking
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The access to the air interfaces must follow some 'smart' criteria: data not triggering decisions to the SCADA master control centre might not be transmitted at all, whereas critical data must be immediately ...
In this perspective, requirements of the most meaningful WSN applications have been drawn and matched to characteristics of various satellite/space systems in order to identify suitable integrated configurations ...
ACKNOWLEDGEMENT This work was co-funded by ESA (European Space Agency) under the framework of the SatNEx-III CoO2-Task 2 research activities entitled 'The role of satellite in future sensor networks'. ...
doi:10.1002/sat.1019
fatcat:mg5w7twbxvaapjcsppyfz7c3ne
Multi-slot and multi-user joint detection scheme for CRDSA in satellite network
2018
IEICE Communications Express
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The scheme can effectively resolve the deadlock loop of the collided packets of J users in J slots, and can be applied to DVB-RCS2 directly with a little change on receiver. ...
A multi-slot and multi-user detection scheme is presented for the contention resolution diversity slotted ALOHA (CRDSA) in satellite networks. ...
throughput and the Packet Loss Ratio (PLR) with the iterative interference cancellation at the demodulator, and it has been employed in the DVB-RCS2 standards. ...
doi:10.1587/comex.2017xbl0169
fatcat:yamhxwelnba2njnjenswrvac2i
Innovative DAMA algorithm for multimedia DVB-RCS system
2013
EURASIP Journal on Wireless Communications and Networking
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This article presents an innovative implementation of the resource allocation mechanism demand assigned multiple access (DAMA) applied to satellite return channel assignment, which provides support for ...
Satellite is often used as an access network in the Next Generation Networks landscape, where multimedia and real-time services are supported by return channels. ...
Acknowledgment This article is based on a work undertaken in Application Layer QoS in DVB-RCS System, a project funded by the ESA (European Space Agency), to whose consortium the authors want to acknowledge ...
doi:10.1186/1687-1499-2013-14
fatcat:bmtbkkqjk5eevhtmdayqhib7re
Optical feeder links for high throughput satellites
2015
2015 IEEE International Conference on Space Optical Systems and Applications (ICSOS)
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A desirable option of transmission architecture is an optical feeder link transparent with respect to the user air interface. ...
Both analog and digital options could be feasible in the 2025-2030 time-frames but the digital option is more mature with respect to the atmosphere impairments mitigation techniques. ...
OPTICAL FEEDER LINK MODULATION The Ka band user signals use the DVB-S2X (forward) and DVB-RCS2 (return) communication standards in the BATS system. ...
doi:10.1109/icsos.2015.7425074
fatcat:nrg5cm2wlrgkzbxet7piewgnyy
Free-space optical communication technologies will enable next generation of ultra high throughput satellite
2021
International Conference on Space Optics — ICSO 2020
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DVB Modem (DVB-S2X, DVB-RCS2) are in the feeder stations. ...
access mission at the user terminal. ...
DISCLAIMER: The activity presented above was carried out under the "Innovative fractionated satellite system enabling higher reuse of frequency MATRIX (Multiple Access Telecom Reconfigurable Inter-satellites ...
doi:10.1117/12.2600017
fatcat:gskyo6xx7nd7xnu6dq2bppjlmi
An SDR-based Satellite Gateway for Internet of Remote Things (IoRT) Applications
2020
IEEE Access
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on a satellite random channel, based on the DVB-RCS2 standard. ...
TCP performance of satellite M2M applications is investigated in [13] for random access links, when Contention Resolution Slotted (CRS) ALOHA protocol is used for managing the multiple access. ...
doi:10.1109/access.2020.3004480
fatcat:udef6afoorhlhp76a3oolmnlku
A New Threshold Switching Scheme for a DVB-RCS Mobile Return Link in a Terrestrian Railway Scenario
2012
Advances in Electrical and Electronic Engineering
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The new standard for DVB-RCS includes guidelines for mobile user in the market of aircraft, maritime and terrestrial transportation. ...
Simulation campaigns are carried out in order to validate the proposal algorithm considering different user application distributions. ...
-Time Division Multiple Access (MF-TDMA) for bursty traffic pattern. ...
doi:10.15598/aeee.v10i5.735
fatcat:neofllcu5bfotdwftvf3grssou
Power and rate allocation in cognitive satellite uplink networks
2016
2016 IEEE International Conference on Communications (ICC)
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In this paper, we consider the cognitive satellite uplink where satellite terminals reuse frequency bands of Fixed-Service (FS) terrestrial microwave links which are the incumbent users in the Ka 27.5- ...
We investigate and analyze a set of optimization frameworks for the power and rate allocation problem in the considered cognitive satellite scenario. ...
It is important to note that, although a Multi-Frequency Time Division Multiple Access (MF-TDMA) scheme is employed in the DVB-RCS2 standard for the return link [11] , it may happen that more than one ...
doi:10.1109/icc.2016.7510839
dblp:conf/icc/LagunasMCSPO16
fatcat:odtdvt3fszaknnyxfxhbvngbxu
Resource Allocation for Cognitive Satellite Communications With Incumbent Terrestrial Networks
2015
IEEE Transactions on Cognitive Communications and Networking
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In the second case, however, the cognitive satellite uplink should not cause harmful interference to the incumbent FS system. ...
In the first case, assuming that the satellite terminals are equipped with multiple Low Block Noise Converters (LNB), we propose a joint beamforming and carrier allocation scheme to enable cognitive Space-to-Earth ...
If K > M , Time Division Multiple Access (TDMA) is considered in DVB-S2(X) on the forward link and Multi-Frequency Time Division Multiple Access (MF-TDMA) is considered in DVB-RCS on the return link, which ...
doi:10.1109/tccn.2015.2503286
fatcat:exp74wyyuvahxiolkedch4kyky
On the integration of random access and DAMA channels for the return link of satellite networks
2013
2013 IEEE International Conference on Communications (ICC)
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Recent advances in Random Access (RA), improving throughput and loss rates, make the usage of such technique particularly interesting to complement Demand Assigned Multiple Access (DAMA) channels for the ...
In this paper, a novel approach for the integration of the two access strategies aimed at transmission delay optimization is presented. ...
More precisely, in the DVB-RCS2 jargon, we consider in our analysis and simulations VBDC, AVBDC and RBDC capacity requests. ...
doi:10.1109/icc.2013.6655237
dblp:conf/icc/KisslingM13
fatcat:w4gs3bjjq5bzrgi7ssipro4qrq
Capacity Enhancing Techniques for High Throughput Satellite Communications
[chapter]
2015
Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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The capacity enhancing techniques are evaluated in the Broadband Access via Integrated Terrestrial and Satellite Systems (BATS) framework. ...
Interference management techniques such as precoding, multi-user detection (MUD), interference cancellation and coordination are evaluated under realistic co-channel interference (CCI) conditions. ...
− SNR req.linear channel . (1) Results for the TD of 16-QAM and the SE of the DVB-RCS2 waveforms are presented in Fig. 3 . ...
doi:10.1007/978-3-319-25479-1_6
fatcat:k5pjuc2ylfdlrfcdi4hb24rkli
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