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采用自適應(yīng)FEC的衛(wèi)星ATM網(wǎng)絡(luò)的有效帶寬估計(jì)

呂蓉 曹志剛

呂蓉, 曹志剛. 采用自適應(yīng)FEC的衛(wèi)星ATM網(wǎng)絡(luò)的有效帶寬估計(jì)[J]. 電子與信息學(xué)報(bào), 2004, 26(10): 1513-1520.
引用本文: 呂蓉, 曹志剛. 采用自適應(yīng)FEC的衛(wèi)星ATM網(wǎng)絡(luò)的有效帶寬估計(jì)[J]. 電子與信息學(xué)報(bào), 2004, 26(10): 1513-1520.
Lu Rong, Cao Zhi-gang. Estimation of Effective Bandwidth for Satellite ATM Networks with Adaptive FEC[J]. Journal of Electronics & Information Technology, 2004, 26(10): 1513-1520.
Citation: Lu Rong, Cao Zhi-gang. Estimation of Effective Bandwidth for Satellite ATM Networks with Adaptive FEC[J]. Journal of Electronics & Information Technology, 2004, 26(10): 1513-1520.

采用自適應(yīng)FEC的衛(wèi)星ATM網(wǎng)絡(luò)的有效帶寬估計(jì)

Estimation of Effective Bandwidth for Satellite ATM Networks with Adaptive FEC

  • 摘要: 該文針對(duì)采用自適應(yīng)FEC(AFEC)的衛(wèi)星ATM網(wǎng)絡(luò),研究了兩種用于接納控制的有效帶寬估計(jì)方法,由于AFEC碼率的動(dòng)態(tài)特性使業(yè)務(wù)實(shí)際的傳輸速率具有不固定性,因此估計(jì)有效帶寬時(shí)要考慮AFEC的影響,作者首先針對(duì)一般衛(wèi)星時(shí)變信道和多碼率AFEC情況下的衛(wèi)星ATM,應(yīng)用流體近似方法分析了有效帶寬的計(jì)算,然而該方法要求的條件及計(jì)算復(fù)雜度均比較高,應(yīng)用中有局限性。以此方法為基礎(chǔ),作者又提出了采用修正因子的估計(jì)方法,數(shù)值結(jié)果表明采用修正因子的有效帶寬估計(jì)方法比較簡(jiǎn)單可靠,適用面較廣。
  • Mohammadi A, Kumar S, et al.. Characterization of effective bandwidth as a metric of quality of service for wired and wireless ATM networks. IEEE ICC, Canada, 1997: 1019-1024.[2]Kim J G, Krunz M M. Bandwidth allocation in wireless networks with guaranteed packet-loss performance[J].IEEE/ACM Trans. on Networking.2000, 8(3):337-349[3]Krunz M M, Kim J G. Fluid analysis of delay and packet discard performance for QoS support in wireless networks[J].IEEE J. on Select. Areas Commun.2001, 19(2):384-395[4]Lin H-P, Tsai F-S, Tseng M-J. Satellite propagation channel modeling using photogrammetry and hidden Markov model approach[J].IEE Proc. Microwaves, Antennas and Propagation.2001,148(6):375-380[5]Vazquez-Castro M A, Perez-Fontan F. LMS Markov model and its use for power control error impact analysis on system capacity[J].IEEE J. on Select. Areas Commun.2002, 20(6):1258-1265[6]Ramseier S, Kaltenschnee T. ATM over satellite: Analysis of ATM QoS parameters. IEEE ICC,Seattle, 1995: 1562-1566.[7]TIA/EIA Interim Standard: Common ATM Satellite Interface Interoperability Specification (CASI), 1999.[8]Elwalid A I, Mitra D. Effective bandwidth of general Markovian traffic sources and admission control of high speed networks. IEEE INFOCOM, Seattle, USA, 1993: 256-265.
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出版歷程
  • 收稿日期:  2003-06-28
  • 修回日期:  2003-09-29
  • 刊出日期:  2004-10-19

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