{"title":"具有综合话音/数据流量的低地球轨道卫星网络性能分析","authors":"W.‐B. Yang, E. Geraniotis","doi":"10.1109/MILCOM.1993.408675","DOIUrl":null,"url":null,"abstract":"The uplinks and downlinks of all satellites in the network considered use Code-Division Multiple-Access (CDMA) with direct-sequence spread-spectrum (DS/SS) signaling. Double coverage is assumed (i.e., two satellites are in sight of all users at all times) and this is explored to mitigate the effects of shadowing on voice and data users. The performance measures of the LEO system evaluated are the average blocking probability and the average throughput of voice traffic as well as the average throughput of data traffic. In analysis the effects of CDMA on packet reception are described by both a threshold model and a graceful degradation model.<<ETX>>","PeriodicalId":323612,"journal":{"name":"Proceedings of MILCOM '93 - IEEE Military Communications Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Performance analysis of networks of low-earth-orbit satellites with integrated voice/data traffic\",\"authors\":\"W.‐B. Yang, E. Geraniotis\",\"doi\":\"10.1109/MILCOM.1993.408675\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The uplinks and downlinks of all satellites in the network considered use Code-Division Multiple-Access (CDMA) with direct-sequence spread-spectrum (DS/SS) signaling. Double coverage is assumed (i.e., two satellites are in sight of all users at all times) and this is explored to mitigate the effects of shadowing on voice and data users. The performance measures of the LEO system evaluated are the average blocking probability and the average throughput of voice traffic as well as the average throughput of data traffic. In analysis the effects of CDMA on packet reception are described by both a threshold model and a graceful degradation model.<<ETX>>\",\"PeriodicalId\":323612,\"journal\":{\"name\":\"Proceedings of MILCOM '93 - IEEE Military Communications Conference\",\"volume\":\"19 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-10-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of MILCOM '93 - IEEE Military Communications Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MILCOM.1993.408675\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of MILCOM '93 - IEEE Military Communications Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MILCOM.1993.408675","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Performance analysis of networks of low-earth-orbit satellites with integrated voice/data traffic
The uplinks and downlinks of all satellites in the network considered use Code-Division Multiple-Access (CDMA) with direct-sequence spread-spectrum (DS/SS) signaling. Double coverage is assumed (i.e., two satellites are in sight of all users at all times) and this is explored to mitigate the effects of shadowing on voice and data users. The performance measures of the LEO system evaluated are the average blocking probability and the average throughput of voice traffic as well as the average throughput of data traffic. In analysis the effects of CDMA on packet reception are described by both a threshold model and a graceful degradation model.<>
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