{"title":"认知自组织网络中的联合路由和扩频信道化","authors":"Kanke Gao, Lei Ding","doi":"10.1145/1921206.1921225","DOIUrl":null,"url":null,"abstract":"We consider a spread-spectrum channelization based secondary network that operates cognitively to coexist with primary users. A new framework for cross-layer design that incorporates adaptation between spectrum-spreading channelization and routing is proposed. Joint power and spreading code allocation in conjunction of the back-pressure routing is developed to optimize the throughput over the whole network. The preliminary simulation results demonstrate significant performance gains compared to random spreading code assignment algorithm.","PeriodicalId":325024,"journal":{"name":"CoNEXT '10 Student Workshop","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Towards joint routing and spread-spectrum channelization in cognitive ad hoc networks\",\"authors\":\"Kanke Gao, Lei Ding\",\"doi\":\"10.1145/1921206.1921225\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We consider a spread-spectrum channelization based secondary network that operates cognitively to coexist with primary users. A new framework for cross-layer design that incorporates adaptation between spectrum-spreading channelization and routing is proposed. Joint power and spreading code allocation in conjunction of the back-pressure routing is developed to optimize the throughput over the whole network. The preliminary simulation results demonstrate significant performance gains compared to random spreading code assignment algorithm.\",\"PeriodicalId\":325024,\"journal\":{\"name\":\"CoNEXT '10 Student Workshop\",\"volume\":\"39 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-11-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"CoNEXT '10 Student Workshop\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/1921206.1921225\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"CoNEXT '10 Student Workshop","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/1921206.1921225","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Towards joint routing and spread-spectrum channelization in cognitive ad hoc networks
We consider a spread-spectrum channelization based secondary network that operates cognitively to coexist with primary users. A new framework for cross-layer design that incorporates adaptation between spectrum-spreading channelization and routing is proposed. Joint power and spreading code allocation in conjunction of the back-pressure routing is developed to optimize the throughput over the whole network. The preliminary simulation results demonstrate significant performance gains compared to random spreading code assignment algorithm.
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