{"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}
引用次数: 0
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.
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