JP2019503103A - 減少されたフィードバックmimoのための方法及び装置 - Google Patents
減少されたフィードバックmimoのための方法及び装置 Download PDFInfo
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Abstract
Description
●2D:two−dimensional
●MIMO:multiple−input multiple−output
●SU−MIMO:single−user MIMO
●MU−MIMO:multi−user MIMO
●3GPP:3rd generation partnership project
●LTE:long−term evolution
●UE:user equipment
●eNB:evolved NodeB or “eNB”
●BS:base station
●DL:downlink
●UL:uplink
●CRS:cell−specific reference signal(s)
●DMRS:demodulation reference signal(s)
●SRS:sounding reference signal(s)
●UE−RS:UE−specific reference signal(s)
●CSI−RS:channel state information reference signals
●SCID:scrambling identity
●MCS:modulation and coding scheme
●RE:resource element
●CQI:channel quality information
●PMI:precoding matrix indicator
●RI:rank indicator
●MU−CQI:multi−user CQI
●CSI:channel state information
●CSI−IM:CSI interference measurement
●CoMP:coordinated multi−point
●DCI:downlink control information
●UCI:uplink control information
●PDSCH:physical downlink shared channel
●PDCCH:physical downlink control channel
●PUSCH:physical uplink shared channel
●PUCCH:physical uplink control channel
●PRB:physical resource block
●RRC:radio resource control
●AoA:angle of arrival
●AoD:angle of departure
120 カバレッジ領域
125 カバレッジ領域
130 ネットワーク
Claims (15)
- ユーザ装備(UE)であって、
少なくとも1つの送受信機;及び
前記少なくとも1つの送受信機に動作可能に結合される少なくとも1つのプロセッサを含み、
前記少なくとも1つのプロセッサは、
送信方式構成情報、コードブック構成情報、及びeMIMO−タイプ構成情報を受信するように制御し;また
開ループダイバーシティ動作を示す前記送信方式構成情報、前記コードブック構成情報、及び前記eMIMO−タイプ構成情報のうち少なくとも1つの受信に応じて、コードブックから第1プリコーディングマトリックスインジケータ(precoding matrix indicator、PMI)i1を計算するように構成され、
前記コードブックは2つのPMIi1及びi2を含み、前記コードブック構成情報に基づいて決定され、
前記少なくとも1つのプロセッサはアップリンクチャネルで前記第1PMIi1を送信することによって前記第1PMIi1を報告するように制御するようにさらに構成されるユーザ装備(UE)。 - 前記少なくとも1つのプロセッサは、
ランクインジケータ(rank indicator、RI)、及び最後に報告されたRIの条件によって前記第1PMIi1が計算されるチャネル品質インジケータ(channel quality indicator、CQI)を計算し;また
前記アップリンクチャネルで前記RI及び前記CQIを送信することによって前記RI及び前記CQIを報告するように制御するようにさらに構成される請求項1に記載のユーザ装備(UE)。 - 前記CQIは前記最後に報告されたRI及び最後に報告された第1PMIi1の条件によって計算される請求項2に記載のユーザ装備(UE)。
- 前記第1PMIi1は少なくとも2つのコードブックインデックスi1,1及びi1,2を含む請求項3に記載のユーザ装備(UE)。
- 前記CQIは前記最後に報告されたRIの条件によるとともに、最後に報告された第1PMIi1と関連づけられた前記コードブックからの少なくとも2つのプリコーダを介してサイクリングするダウンリンク送信を仮定して計算される請求項2に記載のユーザ装備(UE)。
- 前記少なくとも1つのプロセッサはコードブック構成インジケータを報告するようにさらに構成される請求項2に記載のユーザ装備(UE)。
- 前記eMIMO−タイプ構成情報はクラスAeMIMO−タイプを示す請求項1に記載のユーザ装備(UE)。
- 基地局(BS)であって、
少なくとも1つの送受信機;及び
前記少なくとも1つの送受信機に動作可能に結合される少なくとも1つのプロセッサを含み、
前記少なくとも1つのプロセッサは、
送信方式、コードブック、及びeMIMO−タイプでユーザ装備(UE)を構成するための構成情報を生成し;
前記構成情報を前記UEに送信するように制御し;
開ループダイバーシティでデータを前記UEに送信するように制御し;また
アップリンクチャネルで第1プリコーディングマトリックスインジケータ(PMI)i1を含む報告を受信するように構成され、
前記第1PMIi1は、2つのPMIi1及びi2を含み前記コードブックに対する構成情報に基づいて決定されるコードブックから計算される基地局(BS)。 - 前記少なくとも1つのプロセッサは前記アップリンクチャネルでランクインジケータ(RI)及びチャネル品質インジケータ(CQI)を受信するように制御するようにさらに構成され、また
前記第1PMIi1は最後に報告されたRIの条件によって計算される請求項8に記載の基地局(BS)。 - 前記CQIは前記最後に報告されたRI及び最後に報告された第1PMIi1の条件によって計算される請求項9に記載の基地局(BS)。
- 前記CQIは前記最後に報告されたRIの条件によるとともに、最後に報告された第1PMIi1と関連づけられた前記コードブックからの少なくとも2つのプリコーダを介してサイクリングするダウンリンク送信を仮定して計算される請求項9に記載の基地局(BS)。
- 前記送受信機は周波数ドメインでサイクリングされる少なくとも2つのプリコーダを介した前記データの送信に基づいて、開ループダイバーシティで前記データを送信するように構成される請求項9に記載の基地局(BS)。
- 前記eMIMO−タイプに対する構成情報はクラスAeMIMO−タイプを示す請求項8に記載の基地局(BS)。
- ユーザ装備(UE)を動作させる方法であって、
前記UEによって、送信方式構成情報、コードブック構成情報、及びeMIMO−タイプ構成情報を受信するステップ;
開ループダイバーシティ動作を示す前記送信方式構成情報、前記コードブック構成情報、及び前記eMIMO−タイプ構成情報のうち少なくとも1つの受信に応じて、前記UEによって、前記コードブック構成情報に基づいて決定され2つのPMIi1及びi2を含むコードブックから、第1プリコーディングマトリックスインジケータ(PMI)i1を計算するステップ;及び
アップリンクチャネルで前記第1PMIi1を送信することによって前記第1PMIi1を報告するステップを含むユーザ装備(UE)を動作させる方法。 - 基地局(BS)を動作させる方法であって、
送信方式、コードブック、及びeMIMO−タイプでユーザ装備(UE)を構成するための構成情報を生成するステップ;
前記構成情報を前記UEに送信するステップ;
開ループダイバーシティでデータを前記UEに送信するステップ;及び
アップリンクチャネルで第1プリコーディングマトリックスインジケータ(PMI)i1を含む報告を受信するステップを含み、
前記第1PMIi1は、2つのPMIi1及びi2を含み前記コードブックに対する構成情報に基づいて決定されるコードブックから計算される基地局(BS)を動作させる方法。
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Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3411958B1 (en) * | 2016-02-04 | 2019-10-23 | Telefonaktiebolaget LM Ericsson (PUBL) | A method for adapting a beam shape of a beam |
WO2017146533A1 (en) * | 2016-02-24 | 2017-08-31 | Samsung Electronics Co., Ltd. | Method and apparatus for channel state information (csi) reporting |
US10411868B2 (en) | 2016-02-24 | 2019-09-10 | Samsung Electronics Co., Ltd. | Method and apparatus for channel state information (CSI) reporting |
WO2017166219A1 (en) * | 2016-03-31 | 2017-10-05 | Qualcomm Incorporated | Channel covariance feedback for enhanced fd-mimo |
KR102666941B1 (ko) | 2016-06-16 | 2024-05-17 | 삼성전자주식회사 | 채널 상태 정보를 송수신하기 위한 장치 및 방법 |
RU2713444C1 (ru) | 2016-08-12 | 2020-02-05 | Телефонактиеболагет Лм Эрикссон (Пабл) | Многолучевые кодовые книги с дополнительно оптимизированными издержками |
US11071095B2 (en) * | 2016-08-12 | 2021-07-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Layer 1 and layer 2 channel state information rich reporting mechanisms |
CN115499922A (zh) | 2016-08-12 | 2022-12-20 | 瑞典爱立信有限公司 | 用于高级csi反馈开销减少的可配置码本 |
WO2018029644A2 (en) * | 2016-08-12 | 2018-02-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Progressive advanced csi feedback |
EP3520231B1 (en) * | 2016-09-30 | 2023-08-23 | Telefonaktiebolaget LM Ericsson (publ) | Advanced csi reporting for hybrid class a/b operation |
WO2018111809A1 (en) * | 2016-12-13 | 2018-06-21 | Intel IP Corporation | User equipment (ue), generation node-b (gnb) and methods for signaling of control information for pre-coding |
US10616839B2 (en) * | 2017-04-27 | 2020-04-07 | Qualcomm Incorporated | Over-the-air phase synchronizatin for reciprocity-based comp joint transmission |
US10462801B2 (en) | 2017-05-05 | 2019-10-29 | At&T Intellectual Property I, L.P. | Multi-antenna transmission protocols for high doppler conditions |
CN116800311A (zh) * | 2017-05-05 | 2023-09-22 | 华为技术有限公司 | 传输预编码矩阵的指示方法和设备 |
US10470072B2 (en) | 2017-06-15 | 2019-11-05 | At&T Intellectual Property I, L.P. | Facilitation of multiple input multiple output communication for 5G or other next generation network |
CN108111200A (zh) | 2017-06-16 | 2018-06-01 | 中兴通讯股份有限公司 | 一种信道状态信息反馈的方法和装置 |
WO2018231997A1 (en) | 2017-06-16 | 2018-12-20 | Intel Corporation | Channel state information concatenation and antenna port measurement |
WO2018227542A1 (en) * | 2017-06-16 | 2018-12-20 | Qualcomm Incorporated | Channel state information feedback for semi-open-loop and open loop schemes |
CN109495148B (zh) * | 2017-09-10 | 2021-08-31 | 华为技术有限公司 | 一种码本子集限制的方法 |
CN109495149B (zh) * | 2017-09-11 | 2021-10-15 | 华为技术有限公司 | 通信方法、网络设备、终端设备和系统 |
CN109586775B (zh) * | 2017-09-29 | 2021-03-02 | 电信科学技术研究院 | 一种信道状态信息csi反馈方法、终端及基站 |
EP3474459A1 (en) * | 2017-10-18 | 2019-04-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Receiver, transmitter, system and method employing space-delay precoding |
KR20220113831A (ko) | 2017-11-24 | 2022-08-16 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | 명시적 측정 정의 |
CN110034800A (zh) * | 2018-01-11 | 2019-07-19 | 中国移动通信有限公司研究院 | 信道信息的处理方法、基站、终端及计算机存储介质 |
WO2019143226A1 (ko) * | 2018-01-22 | 2019-07-25 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보를 송수신하는 방법 및 이를 위한 장치 |
CN110474741B (zh) * | 2018-05-11 | 2021-01-15 | 华为技术有限公司 | 一种通信方法及装置 |
US10680682B2 (en) * | 2018-05-11 | 2020-06-09 | Qualcomm Incorporated | Channel state information feedback for multi-transmission/reception point transmission in new radio |
EP3815256B1 (en) | 2018-08-29 | 2022-05-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Receiver, transmitter, system and method employing space-delay precoding |
US10707931B2 (en) | 2018-11-02 | 2020-07-07 | At&T Intellectual Property I, L.P. | Linear combination codebook based per layer power allocation feedback for 5G or other next generation network |
CN111182631B (zh) * | 2018-11-12 | 2022-06-21 | 大唐移动通信设备有限公司 | 一种上行传输方法和设备 |
EP3672096A1 (en) * | 2018-12-22 | 2020-06-24 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Methods and apparatuses for feedback reporting in a wireless communications network |
WO2020143022A1 (en) * | 2019-01-11 | 2020-07-16 | Qualcomm Incorporated | Channel state information (csi) omission for type-ii csi report |
WO2020168490A1 (en) | 2019-02-20 | 2020-08-27 | Qualcomm Incorporated | Transmission diversity enhancement for uplink control channel |
US10778298B1 (en) | 2019-03-29 | 2020-09-15 | At&T Intellectual Property I, L.P. | Context-based precoding matrix computations for radio access network for 5G or other next generation network |
US11431390B2 (en) * | 2019-12-19 | 2022-08-30 | Qualcomm Incorporated | Higher rank multiple input multiple output enhancements in millimeter wave and sub-Terahertz bands |
CN114978413B (zh) * | 2021-02-24 | 2024-05-03 | 华为技术有限公司 | 信息编码的控制方法及相关装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013539312A (ja) * | 2010-09-29 | 2013-10-17 | エルジー エレクトロニクス インコーポレイティド | 多重アンテナ支援無線通信システムにおいて効率的なフィードバック方法及び装置 |
WO2014126992A2 (en) * | 2013-02-12 | 2014-08-21 | Texas Instruments Incorporated | 4tx codebook enhancement in lte |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2901381T3 (es) * | 2010-01-18 | 2022-03-22 | Qualcomm Inc | Un método y un aparato para proporcionar información sobre la calidad del canal en un sistema de comunicación inalámbrica |
KR101871707B1 (ko) * | 2010-04-02 | 2018-06-27 | 엘지전자 주식회사 | 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법 |
KR101812167B1 (ko) * | 2010-04-12 | 2018-01-25 | 엘지전자 주식회사 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
KR101690616B1 (ko) * | 2010-04-12 | 2016-12-28 | 엘지전자 주식회사 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
WO2012134140A2 (ko) | 2011-03-29 | 2012-10-04 | 엘지전자 주식회사 | 무선 통신 시스템에서 자원 특정 전송 모드 결정 방법 및 이를 위한 장치 |
CN102291213B (zh) * | 2011-08-15 | 2017-06-16 | 中兴通讯股份有限公司 | 一种计算信道质量指示信息的终端及方法 |
US9225478B2 (en) * | 2012-07-02 | 2015-12-29 | Intel Corporation | Supporting measurments and feedback for 3D MIMO with data transmission optimization |
WO2015115706A1 (en) | 2014-01-28 | 2015-08-06 | Lg Electronics Inc. | Method for transmitting reference signal based on adaptive antenna scaling in wireless communication system, and apparatus therefor |
US10547366B2 (en) | 2015-09-04 | 2020-01-28 | Samsung Electronics Co., Ltd. | Method and apparatus for CSI reporting on PUCCH |
US10075218B2 (en) | 2015-11-05 | 2018-09-11 | Samsung Electronics Co., Ltd. | Method and apparatus for FD-MIMO based multicasting in vehicular communication systems |
-
2016
- 2016-10-31 US US15/339,482 patent/US10763925B2/en active Active
- 2016-11-10 ES ES16864560T patent/ES2790360T3/es active Active
- 2016-11-10 CN CN201680066228.8A patent/CN108292941B/zh active Active
- 2016-11-10 WO PCT/KR2016/012881 patent/WO2017082634A1/en active Application Filing
- 2016-11-10 JP JP2018524391A patent/JP6983774B2/ja active Active
- 2016-11-10 EP EP16864560.4A patent/EP3365987B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013539312A (ja) * | 2010-09-29 | 2013-10-17 | エルジー エレクトロニクス インコーポレイティド | 多重アンテナ支援無線通信システムにおいて効率的なフィードバック方法及び装置 |
WO2014126992A2 (en) * | 2013-02-12 | 2014-08-21 | Texas Instruments Incorporated | 4tx codebook enhancement in lte |
Non-Patent Citations (1)
Title |
---|
AT&T, BEIJING XINWEI TELECOM TECH., CATR, CATT, CHTTL, CMCC, DEUTSCHE TELEKOM, ERICSSON, ETRI, HUAWE: "WF on class A and class B CSI reporting for Rel.13 EB/FD-MIMO[online]", 3GPP TSG-RAN WG1#82B R1-156217, JPN6021002398, 7 October 2015 (2015-10-07), ISSN: 0004433127 * |
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