{"title":"Interference canseller method using hierarchical OMF against concatenated sequence","authors":"M. Hachisuka, C. Sugimoto, R. Kohno","doi":"10.1109/ITST.2012.6425145","DOIUrl":null,"url":null,"abstract":"DS-CDMA is one of schemes suitable for Inter-Vehicle Communication(IVC), but, when DS-CDMA is used, there is avoidable problem, Co-Channel Interference(CCI). OMF(Orthogonalizing Matched Filter) is considered suitable for ITS, because OMF can eliminate interference without knowing spread code of interference wave. However, also OMF has a problem. It is the number of taps in conventional OMF increases depending on spreading code length. So, in this study we propose Hierarchical OMF whichi is placed two OMFs hierarchically. Then, we show that proposal method has less taps than conventional OMF and interference rejection capability as well as conventional OMF.","PeriodicalId":143706,"journal":{"name":"2012 12th International Conference on ITS Telecommunications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 12th International Conference on ITS Telecommunications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ITST.2012.6425145","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
DS-CDMA is one of schemes suitable for Inter-Vehicle Communication(IVC), but, when DS-CDMA is used, there is avoidable problem, Co-Channel Interference(CCI). OMF(Orthogonalizing Matched Filter) is considered suitable for ITS, because OMF can eliminate interference without knowing spread code of interference wave. However, also OMF has a problem. It is the number of taps in conventional OMF increases depending on spreading code length. So, in this study we propose Hierarchical OMF whichi is placed two OMFs hierarchically. Then, we show that proposal method has less taps than conventional OMF and interference rejection capability as well as conventional OMF.
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