Filters








64 Hits in 2.0 sec

DVB-RCS2/S2 testbed: A distributed testbed for next-generation satellite system design and validation

Stefan Erl, Tomaso de Cola
2014 2014 7th Advanced Satellite Multimedia Systems Conference and the 13th Signal Processing for Space Communications Workshop (ASMS/SPSC)  
DVB-RCS2 is the second generation of DVB standards for the return link in interactive satellite systems, which is combined with the well consolidated DVB-S2 standard, applicable to forward links.  ...  This paper presents a DVB-S2/RCS2 testbed, able to reproduce all functionalities specified for higher and lower layers (HL and LL) of the protocol stack, down to the physical layer characteristics, which  ...  ACKNOWLEDGMENT The DVB-S2/RCS2 testbed has been developed within the framework of the "DVB-RCS Next Generation Support and Verification Testbed" project [9] coordinated by VeriSat and funded by the European  ... 
doi:10.1109/asms-spsc.2014.6934571 dblp:conf/asms-spsc/ErlC14 fatcat:n7y2ujolebeprjzkwp32677ev4

Communication Performance vs. Implementation Trade-offs of Interpolation Techniques for FFT-Based Carrier Synchronization exemplified on DVB-RCS2

Oliver Griebel, Uwe Wasenmüller, Norbert Wehn
2021 Advances in Radio Science  
The DVB-RCS2 standard specifies a large variety of reference burst types with very limited known symbols.  ...  These are applied to various reference burst types specified in the DVB-RCS2 standard. The trade-offs of these combinations are identified with a special focus on hardware implementation efficiency.  ...  Communication Performance This section presents the simulation model and gives an overview of the DVB-RCS2 burst types with linear modulation and their communication performance.  ... 
doi:10.5194/ars-19-59-2021 fatcat:jcwncn7bcbgqpo7sg4x3sostza

Improving web experience on DVB-RCS2 links

Nicolas Kuhn, Olivier Mehani, Huyen-Chi Bui, Emmanuel Lochin, Jérôme Lacan, José Radzik, Roksana Boreli
2015 Annales des télécommunications  
The specifications of Digital Video Broadcasting -Return Channel via Satellite (DVB-RCS2) state that the satellite gateway could introduce both random and dedicated access methods to distribute the capacity  ...  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

Evaluating Web Traffic Performance over DVB-RCS2 [chapter]

Raffaello Secchi, Arjuna Sathiaseelan, Gorry Fairhurst
2013 Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering  
This paper may be used to formulate recommendations for how to support web traffic in DVB-RCS2.  ...  It then uses simulation to evaluate the performance over the second generation of DVB-RCS, assessing the impact on performance for a range of bandwidth on demand methods.  ...  Section 3 discusses the performance of web over DVB-RCS2, followed by conclusions. The World Wide Web HTTP [8] is the de facto protocol for delivery of web pages.  ... 
doi:10.1007/978-3-642-36787-8_18 fatcat:aekuu26sunfbxa2mm7cjmnxkvy

Optical feeder link architectures for very HTS: issues and possibilities

Pantelis-Daniel Arapoglou, Nicolas Girault, Nikos Karafolas, Zoran Sodnik, Bruno Cugny
2019 International Conference on Space Optics — ICSO 2018  
In the RTN, there are 300 MHz per beam (25 DVB-RCS2 carriers), 230 beams, 69 GHz of RTN link spectrum, therefore 5750 DVB-RCS2 carriers in total.  ...  Parameter User Downlink User Uplink Freq. band Ka (20 GHz) Ka (30 GHz) Waveform assumed DVB-S2 DVB-RCS2 Available bandwidth allocation 2900 MHz (non-exclusive FSS band) 600 MHz (non-exclusive  ... 
doi:10.1117/12.2536002 fatcat:ctul2yor6fervetbez742dlhpq

Random access congestion control in DVB-RCS2 interactive satellite terminals

Alessio Meloni, Maurizio Murroni
2013 2013 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)  
In this paper Random Access congestion control in DVB-RCS2 is considered with particular regard to the recently introduced Contention Resolution Diversity Slotted Aloha technique, able to boost the performance  ...  The next generation of interactive satellite terminals is going to play a crucial role in the future of DVB standards.  ...  Moreover, similarly to what was done in [10] for SA, control limit procedures able to ensure congestion control in DVB-RCS2 when using CRDSA as transmission mode are discussed. II.  ... 
doi:10.1109/bmsb.2013.6621777 dblp:conf/bmsb/MeloniM13 fatcat:ibxyup4x45ewvbmcryjv4jj3je

A survey of architectures and scenarios in satellite-based wireless sensor networks: system design aspects

N. Celandroni, E. Ferro, A. Gotta, G. Oligeri, C. Roseti, M. Luglio, I. Bisio, M. Cello, F. Davoli, A. D. Panagopoulos, M. Poulakis, S. Vassaki (+7 others)
2012 International Journal of Satellite Communications And Networking  
The main objective is to provide an overview of the potential role of a satellite segment in future WSNs.  ...  Second Generation (DVB-RCS2) [27] .  ...  As far as the satellite technologies are concerned, an overview on DVB-RCS, GMR and GSPS were given.  ... 
doi:10.1002/sat.1019 fatcat:mg5w7twbxvaapjcsppyfz7c3ne

Random Access in DVB-RCS2: Design and Dynamic Control for Congestion Avoidance

Alessio Meloni, Maurizio Murroni
2014 IEEE transactions on broadcasting  
Results show the advantages brought by CRDSA to DVB-RCS2 with regard to the previous state of the art.  ...  In this paper, random access communication design in DVB-RCS2 is considered with particular regard to the recently introduced Contention Resolution Diversity Slotted Aloha (CRDSA) technique.  ...  CONCLUSIONS In this paper a model for design of a congestion-free system using Contention Resolution Diversity Slotted Aloha as Random Access mode in DVB-RCS2 has been outlined.  ... 
doi:10.1109/tbc.2013.2293920 fatcat:ycuicenedbbfjpm64bfjjhwnlu

TCP-based M2M Traffic via Random-Access Satellite links: Throughput Estimation

Manlio Bacco, Tomaso De Cola, Giovanni Giambene, Alberto Gotta
2018 IEEE Transactions on Aerospace and Electronic Systems  
Starting from these observations, this paper thoroughly analyses the interaction between TCP and the Contention Resolution Diversity Slotted Aloha access scheme defined in the DVB-RCS2 standard, assuming  ...  An important example is represented by the second generation of DVB-RCS (DVB-RCS2) [7] , specifying the transmission schemes and the protocol architecture for the return link, where Contention Resolution  ...  DVB-RCS2 standard encompasses a normative load control algorithm, aimed at keeping the system at a target operating point G T , where G T ≤ G * .  ... 
doi:10.1109/taes.2018.2865150 fatcat:ifn2sinsnzdxhjhezssyn6anoi

Software-defined satellite cloud RAN

Toufik Ahmed, Emmanuel Dubois, Jean-Baptiste Dupé, Ramon Ferrús, Patrick Gélard, Nicolas Kuhn
2017 International Journal of Satellite Communications And Networking  
This paper provides a feasibility study on the virtualization of a DVB-S2/DVB-RCS2 satellite ground infrastructure and its SDN-based management and control.  ...  On the DVB-RCS2 link, DVB-RCS2 can also feature return link FMT, with the help of known symbols, or pilots, included in bursts.  ...  DVB-RCS2 return link hierarchy Figure 7 . 7 Satellite Figure 7 . 7 DVB-RCS2 Allocation process Figure 8 . 8 FMT mechanism on forward link mandatory.  ... 
doi:10.1002/sat.1206 fatcat:gpoe7uskhjhehpvedrlsi7fcee

Two-Step Scheduling Scheme to Support Fairness and QoS in DVB-S2 System

2015 KSII Transactions on Internet and Information Systems  
Although a DVB-S2 system with ACM scheme has higher transmission efficiency, it cannot offer fairness or quality of service (QoS) to RCSTs.  ...  Fig. 1 shows the ACM operation with DVB-S2/RCS2.  ...  Related Works DVB-S2 ACM scheme overview The DVB-S2 modulator operates at a constant symbol rate, since the downlink carrier bandwidth is assumed to be constant.  ... 
doi:10.3837/tiis.2015.11.009 fatcat:sfhtm2fp2feohez7awhcotf6bi

Energy Efficient Communications for Reliable IoT Multicast 5G/Satellite Services

Francesco Chiti, Romano Fantacci, Laura Pierucci
2019 Future Internet  
/DVB-RCS2 systems), as well as with the classical NC scheme already investigated in [24] , where no transmission rate optimization is performed.  ...  Differently from analytical and simulative approaches, De Cola et al. addressed the integration of NC in a real protocol stack, taking as reference the DVB-S2/RCS2 architecture [26] .  ... 
doi:10.3390/fi11080164 fatcat:2lztt7zim5htbobvoin6737iqq

Satellite Communications Supporting Internet of Remote Things

Mauro De Sanctis, Ernestina Cianca, Giuseppe Araniti, Igor Bisio, Ramjee Prasad
2016 IEEE Internet of Things Journal  
DVB-RCS2 allows both contention-free and contentionbased multiple access.  ...  However, they could also be based on the DVB-S2 standard for the forward link (i.e., the link from the ground station to the actuators) and on the DVB-RCS2 standard for the return link (i.e., the link  ... 
doi:10.1109/jiot.2015.2487046 fatcat:li6yslnd5zayjlkhecxpqckyua

Satcom Access in the Evolved Packet Core [chapter]

Mirko Cano, Toon Norp, Mariya Popova
2012 Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering  
The current paper outlines the opportunities for NGN and Satcom integration, focusing on the mobility issues between EPC and DVB-RCS standards (representing the Satcom network) under a common Mobile IP  ...  towards the next DVB-RCS2 version of the standard.  ...  In the remainder of this paper, the feasibility of an implementation of the above scenario will be examined. 3 Technical Overview DVB-RCS/C2P/Satellite Networks Satellite Networks are widely used for  ... 
doi:10.1007/978-3-642-30607-5_10 fatcat:77ynj6ij3rehdh5nxg2fdu46ni

A New Threshold Switching Scheme for a DVB-RCS Mobile Return Link in a Terrestrian Railway Scenario

Mauro Tropea
2012 Advances in Electrical and Electronic Engineering  
The new standard for DVB-RCS includes guidelines for mobile user in the market of aircraft, maritime and terrestrial transportation.  ...  In [11] authors presents an overview of the DVB-RCS system addressing mobile scenarios.  ...  In [13] , author, chairman of Technical Module -Return Channel Satellite (TM-RCS), shows the advantages and enhancements of DVB-RCS2 in respect of version1.  ... 
doi:10.15598/aeee.v10i5.735 fatcat:neofllcu5bfotdwftvf3grssou
« Previous Showing results 1 — 15 out of 64 results