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| Rate-Compatible Codes Based on Punctured Polar Codes for Future Wireless Applications | |
| 项目编号 | http://gepris.dfg.de/gepris/projekt/412009386 |
| Professorin Dr.-Ing. AnkeSchmeink | |
| 项目主持机构 | RWTH Aachen |
| 开始日期 | 2018 |
| 英文摘要 | Inthisproposal,wedesignconstructionsofrate-compatiblefamiliesofcodesbasedonpuncturingpolarcodes.Toovercomethelengthrestrictionsimposedbytheirstandardconstruction,weexplorethreenovelapproachesstrivingforoptimalsolutions,aswellasdevisingefficientheuristics.Facilitatingalow-complexityencoderanddecoderstructureisadesigngoalofparamountinterest,enablingcompetitiveperformanceinlatency-constrainedenvironments.Applicationsforthefamiliesofcodesconstructedinthisproposalarefoundinrelayscenarios,aswellashybridARQschemeswithincrementalredundancy(HARQ-IRschemes).Intheiroriginaldesign,possibleblocklengthsofpolarcodesarelimitedtointegerpowersofthedimensionunderlyingpolarizationkernel.Asaresult,itisnon-trivialtoadapttheirlengthsmoreflexibly.Onepromisingwaytodosoisgivenbypuncturing.Inordertoconstructrate-compatiblecodefamiliesbasedonpuncturingpolarcodes,thepuncturingpatternshavetosatisfycertainnestingconstraints,hencenecessitatingdevelopmentofmethodstoaccomodatefortheseadditionalconstraints.Asafirststep,ajointoptimizationstrategybasedonexploitingstructuralpropertiesofpuncturingpatternsisproposed,attemptingoptimalconstructionofpuncturedpolarcodesbyjointlyoptimizingtheindexsetandthepuncturingpattern.Furthermore,exploringefficientheurisitcsfortheconstructionofrate-compatiblecodefamiliesbasedonpuncturingpolarcodes,twonovelpuncturingapproachesareinvestigated,incorporatingtheaformentionedconstraintsofnestedpuncturingpatterns.Thefirstapproachisbasedonalgebraicdecompositionsofthepolarcodegeneratormatrix,whilethesecondadaptsthepromisingtechniqueofquasi-uniformpuncturing.Twointersectionaltaskshelptoadvancethesefindingsbyimprovingtheperformanceoftheresultingcodeconstructions.Thefirstaimsatenhancingerrorcorrectioncapabilitiesbyassistingdecodersviaadditionalconstraints,givenbydynamicfrozensymbols.Thesecondexploresatechniquetoimprovethequalityoftheindexsetselectionviaintegerlinearprogramming.Finally,webuildonourexistingresearchinthetheoryofrelayingsystems.Astheseresultsassumeperfectadaptibilityofcoderatesviaadaptingthelengthofthecodes,relayingscenariosprovideapplicationdomainsforrate-compatiblecodefamiliesofparamountinterest.Asasecondapplicationdomain,weexploretheperformanceoftherate-compatiblecodefamiliesdevelopedinHARQ-IRschemes. |
| 学科分类 | 1201 - 电子学与信息系统;12 - 信息科学 |
| 资助机构 | DE-DFG |
| 项目类型 | Research Grants |
| 国家 | DE |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/69370 |
| 推荐引用方式 GB/T 7714 | Professorin Dr.-Ing. AnkeSchmeink.Rate-Compatible Codes Based on Punctured Polar Codes for Future Wireless Applications.2018. |
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