57 Hits in 9.0 sec

Providing Relative Service Differentiation to TCP Flows over Split-TCP Geostationary Bandwidth on Demand Satellite Networks [chapter]

Wei Koong Chai, Merkourios Karaliopoulos, George Pavlou
Lecture Notes in Computer Science  
We propose a combined transport -medium access control (MAC) layer scheme to provide relative service differentiation to Transmission Control Protocol (TCP) flows over a geostationary (GEO) bandwidth on  ...  demand (BoD) satellite networks.  ...  In this paper, we focus on providing relative service differentiation to TCP flows over a Geostationary (GEO) Bandwidth on Demand (BoD) satellite network.  ... 
doi:10.1007/978-3-540-72697-5_2 dblp:conf/wwic/ChaiKP07 fatcat:vpseo7isv5bpxfeoip4v46a5ye

Providing proportional TCP performance by fixed-point approximations over bandwidth on demand satellite networks

Wei Koong Chai, M. Karaliopoulos, G. Pavlou
2009 IEEE Transactions on Wireless Communications  
on the provision of proportional class-based service differentiation to transmission control protocol (TCP) flows in the context of bandwidth on demand (BoD) split-TCP geostationary (GEO) satellite networks  ...  first one that addresses proportional service differentiation in Bandwidth on Demand (BoD) satellite networks.  ... 
doi:10.1109/twc.2009.071395 fatcat:5j5mws36ujenxfmln6wdm7ju3u

Providing Differentiated Service to TCP Flows Over Bandwidth on Demand Geostationary Satellite Networks

M. Karaliopoulos, R. Tafazolli, B. Evans
2004 IEEE Journal on Selected Areas in Communications  
In this paper, simulation is the primary means for investigating the specific problem in the context of bandwidth on demand (BoD) geostationary satellite networks.  ...  Index Terms-Bandwidth on demand (BoD), fixed point, geosynchronous earth orbit (GEO) satellite networks, media access control (MAC), split connections, transmission control protocol (TCP).  ...  Narenthiran for their comments on earlier versions of this work.  ... 
doi:10.1109/jsac.2003.819983 fatcat:7geqrzg62jab7feknxj7fbkwye

Interactive multimedia satellite access communications

Tho Le-Ngoc, V. Leung, P. Takats, P. Garland
2003 IEEE Communications Magazine  
dynamic TCP Vegas protocol as a proxy service for split-TCP connections over BSA systems.  ...  IP-BASED BSA SYSTEMS To provide access to multimedia Internet services, satellite networks need to interwork with IP-based networks.  ... 
doi:10.1109/mcom.2003.1215643 fatcat:3qqxtdtgpnffhmiclicfdwjppe

A New Survey on Improving TCP Performances over Geostationary Satellite Link

Alain Pirovano, Fabien Garcia
2013 Network and Communication Technologies  
We assess the gain offered by a split TCP connection with PEPSal comparatively to end to end TCP connections based on NewReno and a recent widely deployed TCP version (TCP Cubic) on an emulated satellite  ...  Finally, the results provided allow us to make some original recommendations toward TCP deployment over satellite links.  ...  TCP Performances Assessment over Geostationary Satellite Link Considered TCP Flow Types and Performances Parameters We considered in our study two kinds of flow types.  ... 
doi:10.5539/nct.v2n1p1 fatcat:xodbyjy2lrcqdhi7evubuk7fwy

Transport challenges facing a next-generation hybrid satellite Internet

Gorry Fairhurst, Arjuna Sathiaseelan, Haitham Cruickshank, Cedric Baudoin
2011 International Journal of Satellite Communications And Networking  
It reviews the key role of transport protocols in providing a reliable and robust end-to-end Internet service.  ...  Current transport research issues are identified and related to two new architectural approaches to highlight the expected performance benefits and derive the implications on the design of geostationary  ...  ACKNOWLEDGEMENTS This work has been funded by the Satellite Network of Excellence (JA2130).  ... 
doi:10.1002/sat.974 fatcat:aeqpzv52vve2dahbev5y5v3lku

Radio resource management across multiple protocol layers in satellite networks: a tutorial overview

Paolo Barsocchi, Nedo Celandroni, Franco Davoli, Erina Ferro, Giovanni Giambene, Francisco Javier González Castaño, Alberto Gotta, Jose Ignacio Moreno, Petia Todorova
2005 International Journal of Satellite Communications And Networking  
In particular, geostationary satellites can be proven to be the right choice for providing complementary services over regions already served by T-UMTS networks.  ...  Our work does not focus on TCP over satellites, but we certainly cannot avoid mentioning it, since it has a great influence on the MAC layer, which runs the algorithms for the bandwidth resource allocation  ...  In fact, decisions made within satellite Radio Resource Management (RRM) can significantly impact the end-to-end performance of TCP flows over a satellite network.  ... 
doi:10.1002/sat.820 fatcat:lqvugiz2qraoxmt6afiozk7gr4

Non-Terrestrial Networks in the 6G Era: Challenges and Opportunities [article]

Marco Giordani, Michele Zorzi
2020 arXiv   pre-print
As a case study, we evaluate the performance of an NTN scenario in which satellites use millimeter wave (mmWave) frequencies to provide access connectivity to on-the-ground mobile terminals as a function  ...  Many organizations recognize non-terrestrial networks (NTNs) as a key component to provide cost-effective and high-capacity connectivity in future 6th generation (6G) wireless networks.  ...  High performance by splitting TCP session into multiple data flows TABLE II : II Open challenges for non-terrestrial networks.  ... 
arXiv:1912.10226v2 fatcat:ldmunhki4zhmhkt2djcoizaq6m

Transport protocols in multicast via satellite

Gun Akkor, Michael Hadjitheodosiou, John S. Baras
2004 International Journal of Satellite Communications And Networking  
Despite the potential of satellite multicast, there exists little support for multicast services over satellite networks.  ...  One of the key multicast components that is affected when satellite networks are involved in the communication is the transport layer.  ...  It allows satellite provider to optimize the traffic flow inside the core network to achieve high utilization.  ... 
doi:10.1002/sat.785 fatcat:veto4zqhdjhbhhg5nfvr3y36au

QoS Provisioning in Converged Satellite and Terrestrial Networks: A Survey of the State-of-the-Art

Christian Niephaus, Mathias Kretschmer, Gheorghita Ghinea
2016 IEEE Communications Surveys and Tutorials  
It has been widely acknowledged that future networks need to provide significantly more capacity than nowadays' ones in order to deal with the increasing traffic demands of the users.  ...  We mainly focus on scenarios in which satellite networks complement existing terrestrial infrastructures, i.e. parallel satellite and terrestrial links exist, in order to provide high bandwidth connections  ...  split the end-to-end TCP connection.  ... 
doi:10.1109/comst.2016.2561078 fatcat:oxlf5nbrjnhvhkt7nvrrp7jb3m

QoSatAr: a cross-layer architecture for E2E QoS provisioning over DVB-S2 broadband satellite systems

Elizabeth Rendón-Morales, Jorge Mata-Díaz, Juanjo Alins, Jose L Muñoz, Oscar Esparza
2012 EURASIP Journal on Wireless Communications and Networking  
The architecture design is based on a cross-layer optimization between the physical layer and the network layer to provide QoS provisioning based on the bandwidth availability present in the DVB-S2 satellite  ...  This article presents QoSatAr, a cross-layer architecture developed to provide end-to-end quality of service (QoS) guarantees for Internet protocol (IP) traffic over the Digital Video Broadcasting-Second  ...  Rendón wants to thank FPI-UPC grant and R. Aviles-Espinosa for his valuable comments and suggestions to improve this article.  ... 
doi:10.1186/1687-1499-2012-302 fatcat:awzhxsb5lfbqdf2mrcqjhzgyiu

Fusion of digital television, broadband Internet and mobile communications—Part II: Future service scenarios

X. Liang, F. L. C. Ong, P. Pillai, P. M. L. Chan, V. Mancuso, G. Koltsidas, F. N. Pavlidou, L. Caviglione, E. Ferro, A. Gotta, H. Cruickshank, S. Iyengar (+1 others)
2007 International Journal of Satellite Communications And Networking  
For satellite service scenarios, it also takes into consideration mobility management and standard quality-of-service mechanism issues, such as integrated services and differentiated services.  ...  Several research directions for providing seamless services regardless of network, access technology and terminal in the fusion network are also highlighted in this paper.  ...  ACKNOWLEDGEMENTS This work has been performed by members of the Satellite Communications Network of Excellence (SatNEx) project, which is supported by the European Commission under the Sixth Framework  ... 
doi:10.1002/sat.880 fatcat:krwwj7r7yzfb5hn5bycmsykpcu

A QoS Architecture for DVB-RCS Next Generation Satellite Networks

Thierry Gayraud, Pascal Berthou
2007 EURASIP Journal on Wireless Communications and Networking  
networks are intended to provide broadband access to interactive multimedia services in low-infrastructure areas.  ...  The standardization of a return channel via satellite (DVB-RCS) and satellite community efforts in term of interoperability over the last few years leads to quite a positive outcome: geostationary satellite  ...  ACKNOWLEDGMENTS The authors wish to thank all the partners of the SATIP6 [8] consortium: Alcatel Space (France), which is the project coordinator, Telecom Italia Lab (Italy), France Telecom SA (France  ... 
doi:10.1155/2007/58484 fatcat:i2untmla5nggjfcldwemv4lzhe

QoS Architectures [chapter]

2007 QoS Over Heterogeneous Networks  
The case study presents an experimental approach to provide a guaranteed QoS over a satellite network based on the Internet Protocol (IP).  ...  Nevertheless, it is important to focus on two areas whose implementation has strong impact on the metrics used to measure the performance when TCP is applied over satellite links: reliability and flow  ...  The idea is to use the NBS in the context of telecommunication networks and, in particular, in the satellite environment.  ... 
doi:10.1002/9780470058763.ch6 fatcat:kbpmgukkwbhz7an6ogbnutfdri

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  
As far as networking aspects are concerned, the large bandwidth availability should be converted into increased throughput by means of suitable radio resource management and transport protocols, able to  ...  the exploitation of Extremely High Frequency (EHF) bands (30-300 GHz) for broadband transmission over satellite links is a hot research topic nowadays.  ...  New QoS features provided by IPv6 (e.g. flow labels, mobility support) facilitate broadband and mobile networks.  ... 
doi:10.1109/jproc.2011.2158765 fatcat:5qb2hfeahnaevpumeyqlp3ls2q
« Previous Showing results 1 — 15 out of 57 results