{"title":"An energy saving scheduling scheme for OFDMA two-hop relay systems","authors":"Yanan Huang, X. Fang, Yue Zhao","doi":"10.1109/IWSDA.2009.5346434","DOIUrl":null,"url":null,"abstract":"Being a new feature of next generation of wireless networks, MMR (Mobile Multi-hop Relay) is proposed for the purpose of coverage extension and throughput enhancement in IMT-Advanced, IEEE 802.16j/m. Besides, with the help of relay, the system energy consumption could be well saved. In this paper, an energy saving scheduling scheme is proposed for OFDMA based two-hop relay systems. The novel scheme adjusts the modulation and coding (MC) mode and allocates the transmitting power dynamically according to the resource usage. It can also guarantee the QoS of different services by setting the scheduling priority. The simulation results show that the novel scheduling scheme can not only save system energy but also achieve higher throughput.","PeriodicalId":120760,"journal":{"name":"2009 Fourth International Workshop on Signal Design and its Applications in Communications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 Fourth International Workshop on Signal Design and its Applications in Communications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWSDA.2009.5346434","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Being a new feature of next generation of wireless networks, MMR (Mobile Multi-hop Relay) is proposed for the purpose of coverage extension and throughput enhancement in IMT-Advanced, IEEE 802.16j/m. Besides, with the help of relay, the system energy consumption could be well saved. In this paper, an energy saving scheduling scheme is proposed for OFDMA based two-hop relay systems. The novel scheme adjusts the modulation and coding (MC) mode and allocates the transmitting power dynamically according to the resource usage. It can also guarantee the QoS of different services by setting the scheduling priority. The simulation results show that the novel scheduling scheme can not only save system energy but also achieve higher throughput.
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