{"title":"Design and analysis of satellite clusters","authors":"A. Ganz, B. Li","doi":"10.1109/GLOCOM.1991.188435","DOIUrl":null,"url":null,"abstract":"The authors present a performance study of a satellite cluster consisting of m satellites interconnected through intersatellite links (ISLs). In each satellite, the uplinks are operated under the slotted ALOHA policy, while the downlinks and intersatellite links are operated employing the TDM (time division multiplexing) policy. The packets successfully arriving at the satellite from the earth zones and from the ISLs are stored onboard the satellite. The satellite cluster performance is expressed in terms of throughput. The performance measure is obtained as a function of the system load and traffic distribution, and of the system configuration in terms of the number of uplinks, number of downlinks, number of buffers, number of transponders, and the ISL capacity. As an exact Markov modeling of the above system leads to intractable solutions, a tractable approximate analysis is introduced. The introduced analysis can be used to investigate the sensitivity of the system performance as a function of the system configuration.<<ETX>>","PeriodicalId":343080,"journal":{"name":"IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record","volume":"49 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/GLOCOM.1991.188435","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4

Abstract

The authors present a performance study of a satellite cluster consisting of m satellites interconnected through intersatellite links (ISLs). In each satellite, the uplinks are operated under the slotted ALOHA policy, while the downlinks and intersatellite links are operated employing the TDM (time division multiplexing) policy. The packets successfully arriving at the satellite from the earth zones and from the ISLs are stored onboard the satellite. The satellite cluster performance is expressed in terms of throughput. The performance measure is obtained as a function of the system load and traffic distribution, and of the system configuration in terms of the number of uplinks, number of downlinks, number of buffers, number of transponders, and the ISL capacity. As an exact Markov modeling of the above system leads to intractable solutions, a tractable approximate analysis is introduced. The introduced analysis can be used to investigate the sensitivity of the system performance as a function of the system configuration.<>
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卫星群的设计与分析
作者提出了一个由m颗卫星通过星间链路(ISLs)互连组成的卫星集群的性能研究。在每个卫星中,上行链路在有槽ALOHA策略下运行,而下行链路和卫星间链路采用TDM(时分复用)策略运行。从地球区域和isl成功到达卫星的数据包被存储在卫星上。卫星集群性能用吞吐量来表示。性能度量是作为系统负载和流量分配的函数,以及根据上行链路数量、下行链路数量、缓冲区数量、应答器数量和ISL容量进行的系统配置的函数。由于上述系统的精确马尔可夫建模导致难以处理的解,因此引入了一种可处理的近似分析。所介绍的分析可用于研究系统性能作为系统配置函数的敏感性。
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