JP7439835B2 - 方法、端末機器、ネットワーク機器 - Google Patents
方法、端末機器、ネットワーク機器 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Description
MU-MIMOサポートにおける強化:
-タイプII CSIフィードバックに基づき、性能とオーバーヘッドとのトレードオフを考慮してオーバーヘッド削減を規定する。
-検討を行い、必要に応じてタイプII CSIフィードバックのランク>2への拡張を規定する。
理想的なバックホールと非理想的なバックホールによる信頼性と堅牢性の向上を含む、マルチTRP/パネル送信における機能強化:
-非コヒーレントな共同送信を効率的にサポートするための(複数の)ダウンリンク制御シグナリングの強化を規定する。
-検討を行い、必要に応じて、非コヒーレントな共同送信のためのアップリンク制御シグナリング及び/又は(複数の)参照信号の強化を規定する。
-このWIには、URLLC要求についてのマルチTRP技術が含まれる。
マルチビーム操作の強化、主にFR2操作を対象:
-検討を行い、必要に応じて、遅延及びオーバーヘッドを低減するために、Rel-15で規定されたUL及び/又はDLの送信ビーム選択における(複数の)強化を規定する。
-パネル固有のビーム選択がしやすいように、マルチパネル操作のためにUL送信ビーム選択を規定する。
-Rel-15で規定されたビーム障害回復に基づいて、SCellのためにビーム障害回復を規定する。
-L1参照信号受信品質(RSRQ)又はL1信号電力対[雑音電力+干渉電力]比(SINR)の測定及び報告を規定する。
WI開始後の最初のRAN1ミーティングで検討し結論を出し、必要に応じて、1層又は複数層のPAPR低減のためのCSI-RS及びDMRS(ダウンリンク及びアップリンクの両方)の強化を規定する(Rel-15で規定されたreマッピングに変更はない)。
Claims (7)
- 端末機器が、
ネットワーク機器からの復調用参照信号(DMRS)指示に基づき、第1送信構成指示(TCI)状態で送信される第1レイヤセットにマッピングされた第1データ部分と、第2TCI状態で送信される第2レイヤセットにマッピングされた第2データ部分と、を含む第1ダウンリンク送信を受信することと、
前記第1ダウンリンク送信についての送信失敗を示すフィードバックを前記ネットワーク機器に送信することと、
前記フィードバックに応じて、前記第1レイヤセットにマッピングされた前記第2データ部分と、前記第2レイヤセットにマッピングされた前記第1データ部分と、を含む第2ダウンリンク送信を受信することと、
を実行する方法。 - ダウンリンク制御情報(DCI)における前記DMRS指示を受信することと、
前記第1TCI状態及び前記第2TCI状態の設定を受信することと、
を更に備える、
請求項1に記載の方法。 - ネットワーク機器が、
復調用参照信号(DMRS)指示に基づき、第1送信構成指示(TCI)状態で送信される第1レイヤセットにマッピングされた第1データ部分と、第2TCI状態で送信される第2レイヤセットにマッピングされた第2データ部分と、を含む第1ダウンリンク送信を端末機器に送信することと、
前記第1ダウンリンク送信についての送信失敗を示すフィードバックを前記端末機器から受信することと、
前記フィードバックに応じて、前記第1レイヤセットにマッピングされた前記第2データ部分と、前記第2レイヤセットにマッピングされた前記第1データ部分と、を含む第2ダウンリンク送信を前記端末機器に送信することと、
を実行する方法。 - 前記フィードバックは、前記第1データ部分及び前記第2データ部分の送信状態にそれぞれ関する少なくとも2つのフィードバック値を備える、
請求項3に記載の方法。 - 前記フィードバックは、前記第1データ部分と前記第2データ部分の両方についての単一のフィードバックであり、
前記フィードバックが、物理アップリンク制御チャネル(PUCCH)で送信され、
前記PUCCHについてのリソースが、前記第1データ部分と前記第2データ部分の送信状態を示すために使用される、
請求項3に記載の方法。 - 請求項3から5のいずれか1項に記載の方法を実行するように設定されるプロセッサを備えるネットワーク機器。
- 請求項1または2に記載の方法を実行するように設定されるプロセッサを備える端末機器。
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JP2024020811A JP2024056889A (ja) | 2019-04-30 | 2024-02-15 | 方法、端末機器、及びネットワーク機器 |
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PCT/CN2019/085372 WO2020220348A1 (en) | 2019-04-30 | 2019-04-30 | Downlink retransmission for multi-trp/panel transmission |
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US12034655B2 (en) * | 2019-07-06 | 2024-07-09 | Qualcomm Incorporated | DCI based xCarrier repetition and beam sweep |
US12081337B2 (en) * | 2020-06-12 | 2024-09-03 | Qualcomm Incorporated | Hybrid automatic repeat request feedback with multiple uplink channels |
US11784758B2 (en) * | 2021-02-18 | 2023-10-10 | Qualcomm Incorporated | Hybrid automatic repeat request (HARQ) procedure using multiple beams in a wireless wide area network (WWAN) |
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WO2018203621A1 (ko) | 2017-04-30 | 2018-11-08 | 엘지전자 주식회사 | 무선 통신 시스템에서 dm-rs의 송수신 방법 및 이를 위한 장치 |
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WO2018058295A1 (en) * | 2016-09-27 | 2018-04-05 | Qualcomm Incorporated | Hybrid automatic repeat request for block codes |
CN107995654A (zh) * | 2016-10-26 | 2018-05-04 | 中兴通讯股份有限公司 | 数据重传方法及装置、mac设备 |
KR102315778B1 (ko) * | 2017-05-04 | 2021-10-22 | 삼성전자 주식회사 | 무선 통신 시스템에서 상향링크 전송시간 식별 방법 및 장치 |
US20190044666A1 (en) * | 2017-08-03 | 2019-02-07 | Asustek Computer Inc. | Method and apparatus for handling hybrid automatic repeat request (harq) feedback for multiple transmission/reception points (trp) in a wireless communication system |
CN116545593A (zh) * | 2017-09-15 | 2023-08-04 | 株式会社Kt | 基于码块组来发送和接收传输块的方法 |
CN108600507B (zh) * | 2018-03-20 | 2020-09-22 | 厦门亿联网络技术股份有限公司 | 一种dect的消息通知方法 |
KR20200087023A (ko) * | 2019-01-10 | 2020-07-20 | 삼성전자주식회사 | 네트워크 협력통신을 위한 데이터 송수신 방법 및 장치 |
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CN113853763B (zh) * | 2019-03-29 | 2024-06-07 | 瑞典爱立信有限公司 | 用于区分多个物理下行链路共享信道(pdsch)传输方案的方法 |
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Non-Patent Citations (2)
Title |
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NTT DOCOMO, INC,Enhancements on multi-TRP/panel transmission[online],3GPP TSG RAN WG1 #96b R1-1904966,Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96b/Docs/R1-1904966.zip>,2019年04月12日 |
ZTE,Enhancements on Multi-TRP and Multi-panel Transmission[online],3GPP TSG RAN WG1 #96b R1-1904013,Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96b/Docs/R1-1904013.zip>,2019年04月12日 |
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US20220209902A1 (en) | 2022-06-30 |
CN113812200A (zh) | 2021-12-17 |
JP2022537874A (ja) | 2022-08-31 |
JP2024056889A (ja) | 2024-04-23 |
CN113812200B (zh) | 2024-03-26 |
WO2020220348A1 (en) | 2020-11-05 |
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