959-Rel-15 NR UE 特性列表.docx
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1、Rel-15 NR UE特性列表Rel-15 NR在定义核心无线接入网要求方面取得了重大进展,也就是说网络方面协议已有完整的定义,但 UE侧的特性,还是存在一些问题。Rei-15 NR UE功能描述了定义上行波束管理UE行为的两个特性组(FG: feature group):波束对应(FG 2-20)和基于SRS的波束管理(FG 2-30) o这些特性组的最新状态如下面的表1所示。表1 :波束相关和上行波束管理的特性组#Feature groupComponentsNeed for gNB to know whether the feature is supporte d by the UE
2、(what happens if gNB does not know?)Consequences if the feature is not supported by the UEType (see R2- 1712078 )NoteRAN WG recommendation2-20Beam correspondenc e1. SupportBeam correspondenc eYesBeam correspondenc e is not supportedType 1Note: Beam correspondenc e means each Tx port can be beamforme
3、d in a desirable direction but does not imply setting phase across portsMandatory/optiona I with capability signaling2-30Uplink beam management1 Support of SRS based beam management 2. Supported max number of SRS resource per set (SRS set use is configured as forbeammanagement).3. Supported max numb
4、er of SRS resource sets (SRS set useisconfigured as forbeammanagement).YesUplink beam management isnotsupportedType 1Mandatory/Option al with capability signaling Component-2, candidate value set is 2,4, 8, 16 Component-3, candidate value set is from 1 to 8RRC规范还在TS38. 331中创立了相应的IE,如下列图1所示。MIMO-Para
5、metersPerBand := 1.:二tci-StatePDSCHSEQUENCE maxNumberConf iguredTCIstatesPerCC卜 RAT L (n4, n8, nl6, n32, n64 )OPTIONAL,maxNumberActiveTCI-PerBWPENUMERATED nl, n2, n4, n8OPTIONAL)OPTIONAL,additionalActiveTCI-StatePDCCHENUMERATED(supported)OPTIONAL,pusch-TransCoherenceENUMERATEDnoncoherent, partialNon
6、Coherent, fullCoherent)OPTIONAL,beamcorrespondenceENUMERATEDsupported)OPTIONAL,per iodicBeamReportENUMERATEDsupported)OPTIONAL,aperiodicBeamReportENUMERATEDsupported)OPTIONAL,sp-BeamReportPUCCHENUMERATED(supported)OPTIONAL,sp-BeamReportPUSCHENUMERATEDsupported)OPTIONAL,beamManagementSSB-CSI-RSBeamMa
7、nagementSSB-CSI-RSOPTIONAL,maxNumberRxBeamINTEGER (2.8)OPTIONAL,uplinkBeamManagementSEQUENCE maxNumberSRS-ResourcePerSet-BM三二二::n2, n4, n8, nl6,maxNumberSRS-ResourceSetINTEGER (1. .8)OPTIONAL,图1:波束相关的IE各公司就FG 2-20和FG 2-30是可选的、带信号强制的还是不带信号的强制的交换了意见。下表2总结了 各公司的观点。表2:针对FG 2-20和FG 2-30各公司观点CompanyViews
8、on FG 2-20Views on FG 2-30HuaweiOptional with capability signaling for FR2.Mandatory with capability signaling for FR2, i.e. at least UE needs to report one value for each componentHiSiliconOptional with capability signaling for FR2.Mandatory with capability signaling for FR2, i.e. at least UE needs
9、 to report one value for each componentMediaTekContinue discussion in RAN1#94b and RAN4#88b until requirements are specifiedOptionalZTEMandatory at least for FR2Mandatory at least for FR2AppleDecision postponed until after RAN4 concludes this work (i.e. until RAN #82)SamsungFor FR2 in Feature 2-20,
10、mandatory with capability signaling which shall be set to 1EricssonMandatory and only applicable for FR2Optional with capability signalingNTT DOCOMOMandatory for FR2NokiaMandatory for FR2 without capability signalingNokia Shanghai BellMandatory for FR2 without capability signalingIntelDecision to be
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