Improving Throughput and Packet Delay of Interactive Multimedia Satellite Networks
1
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
In Geostationary Earth Orbit (GEO) satellite networks, the delay of packets queued in satellite terminals in the return-link is a critical factor to degrading the quality-of-service. In this paper, we suggest two unbiased traffic forecasting models, which belong to a family of commonly used time-series models, based on the first-and secondorder variations of traffic, and develop new Demand Assignment Multiple Access (DAMA) protocols based on the proposed traffic forecasting models in order to improve the delay of packets. We compare the delay and throughput performance of the proposed DAMA protocols with that of two previous protocols under the two traffic models,SupFRP and PowON_PowOFF models, for various parameters setups. Simulation results show that the proposed protocols significantly improve the delay compared to previous DAMA protocols. This implies that, in the proposed protocols, by accurate estimation of traffic demand, valuable resources are more properly allocated to satellite terminals so that the amount of resources allocated, but not actually used for traffic transmission, can be reduced: ultimately, this improves the transmission delay of those terminals with higher traffic demand.
Abstract
In Geostationary Earth Orbit (GEO) satellite networks, the delay of packets queued in satellite terminals in the return-link is a critical factor to degrading the quality-of-service. In this paper, we suggest two unbiased traffic forecasting models, which belong to a family of commonly used time-series models, based on the first-and secondorder variations of traffic, and develop new Demand Assignment Multiple Access (DAMA) protocols based on the proposed traffic forecasting models in order to improve the delay of packets. We compare the delay and throughput performance of the proposed DAMA protocols with that of two previous protocols under the two traffic models,SupFRP and PowON_PowOFF models, for various parameters setups. Simulation results show that the proposed protocols significantly improve the delay compared to previous DAMA protocols. This implies that, in the proposed protocols, by accurate estimation of traffic demand, valuable resources are more properly allocated to satellite terminals so that the amount of resources allocated, but not actually used for traffic transmission, can be reduced: ultimately, this improves the transmission delay of those terminals with higher traffic demand.
참고문헌 (17)
- Digital Video Broadcasting (DVB), "Interaction Channel for Satellite Distribution Systems, ETSI EN 301 790 (V1.5.1)", European Telecommunications Standards Institute (ETSI), ~ (2009)
- Digital Video Broadcasting (DVB):, "Second Generation Framing Structure, Channel Coding and Modulation Systems for Broadcasting, Interactive Services, New Gathering and Other Broadband Satellite Applications, ETSI EN 302 307 (V1.2.1)", European Telecommunications Standards Institute (ETSI), ~ (2009)
- N. Celandroni, "Suitability of DAMA and contention-based satellite access schemes for TCP traffic in mobile DVB-RCS", IEEE Trans. Veh. Technol, 58(3), pp.1836~1845 (2009)
- J. Neale, "Interactive channel for multimedia satellite networks", IEEE Commun. Mag, pp.192~198 (2001)
- K.-D. Lee, "A real-time algorithm for timeslot assignment in multirate return channels of interactive satellite multimedia networks", IEEE J. Sel. Areas Commun, 22(3), pp.515~528 (2004)
- Ki-Dong Lee, "Optimal Design of Superframe Pattern for DVB-RCS Return Link", ETRI Journal, 24(3), pp.251~254 (2002), 한국전자통신연구원
- Z. Jiang, "A predictive demand assignment multiple access protocol for Internet access over broadband satellite networks", Int. J. Satell. Commun. Network, 21, pp.451~467 (2003)
- P. Connors, "Modeling and simulation of broadband satellite networks -- Part I: Medium access control for QoS provisioning", IEEE Commun. Mag, pp.72~79 (1999)
- K.-D. Lee, "An efficient real-time method for improving intrinsic delay of capacity allocation in interactive GEO satellite networks", IEEE Trans. Veh. Technol, 53(2), pp.538~546 (2004)
- T. Le-Ngoc, "Interactive multimedia satellite access communications", IEEE Commun. Mag, 41(7), pp.78~85 (2003)
- T. Le-Ngoc, "Performance analysis of CFDAMA-PB protocol for packet satellite communication", IEEE Trans. Commun, 46(9), pp.1206~1214 (1998)
- H. Peyravi, "Medium access control protocols performance in satellite communications", IEEE Commun. Mag, 38(3), pp.62~71 (1999)
- J. Jhonston, "Econometric Methods" (1984), McGraw-Hill
- 정해덕, "On credibility of simulation studies of telecommunication networks", IEEE COMMUNICATIONS MAGAZINE, 40(1), pp.132~139
- B. Ryu, "Modeling and simulation of broadband satellite networks -- Part II: Traffic modeling", IEEE Commun. Mag, pp.48~56 (1999)
- B. Ryu, "Point process models for selfsimilar network traffic, with applications", Stochastic Models, 14(3), pp.735~761 (1998)
- V. Paxson, "Wide area traffic: The failure of Poisson modeling", IEEE, 1995, pp.3(3), 226~244