{"title":"802.11下最早截止日期优先策略的分析模型","authors":"I. Korbi, L. Saïdane","doi":"10.1109/AICT.2008.74","DOIUrl":null,"url":null,"abstract":"Real time applications are characterized by their delay bounds. To satisfy the Quality of Service (QoS) requirements of such flows over wireless communications, we enhance the 802.11 protocol to support the Earliest Deadline First (EDF) scheduling policy. Therefore, we develop a Markov chain based analysis modeling the backoff process of the EDF policy. Then, we propose to evaluate the performance of EDF in term of saturation throughput. Analytical results are validated by simulation using the ns-2 network simulator.","PeriodicalId":235538,"journal":{"name":"Advanced Industrial Conference on Telecommunications","volume":"108 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Analytical Model of the Earliest Deadline First Policy over 802.11\",\"authors\":\"I. Korbi, L. Saïdane\",\"doi\":\"10.1109/AICT.2008.74\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Real time applications are characterized by their delay bounds. To satisfy the Quality of Service (QoS) requirements of such flows over wireless communications, we enhance the 802.11 protocol to support the Earliest Deadline First (EDF) scheduling policy. Therefore, we develop a Markov chain based analysis modeling the backoff process of the EDF policy. Then, we propose to evaluate the performance of EDF in term of saturation throughput. Analytical results are validated by simulation using the ns-2 network simulator.\",\"PeriodicalId\":235538,\"journal\":{\"name\":\"Advanced Industrial Conference on Telecommunications\",\"volume\":\"108 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-06-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advanced Industrial Conference on Telecommunications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/AICT.2008.74\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced Industrial Conference on Telecommunications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/AICT.2008.74","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analytical Model of the Earliest Deadline First Policy over 802.11
Real time applications are characterized by their delay bounds. To satisfy the Quality of Service (QoS) requirements of such flows over wireless communications, we enhance the 802.11 protocol to support the Earliest Deadline First (EDF) scheduling policy. Therefore, we develop a Markov chain based analysis modeling the backoff process of the EDF policy. Then, we propose to evaluate the performance of EDF in term of saturation throughput. Analytical results are validated by simulation using the ns-2 network simulator.
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