JP2023081914A - 無線通信のための方法 - Google Patents
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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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
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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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
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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
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- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
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- H—ELECTRICITY
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- 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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- 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]
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Abstract
【解決手段】無線通信のための方法であって、ネットワークデバイスは、スケジューリングメッセージを端末デバイスへ送信することと、スケジューリングメッセージに従ってデータを端末デバイスへ送信することと、端末デバイスからHARQフィードバックを検出することと、HARQフィードバックが検出されたリソースのリソースIDを決定することと、受信したHARQフィードバック及びリソースIDに基づいて、後続の送信又は再送信を制御することと、を実施する。前記HARQフィードバックに関する情報は、HARQフィードバック用の処理ID、及び前記端末デバイス又は前記処理IDのために送信されたスケジューリングメッセージの前記累計数の少なくとも1つを示す。
【選択図】図7
Description
3GPP 第3世代パートナーシッププロジェクト
LTE 長期的進化
NR 新しい無線
NR-U NR-unlicensed
LAA LTEライセンス補助アクセス
HARQ ハイブリッド自動再送要求
PUCCH 物理アップリンク制御チャネル
PUSCH 物理アップリンク共有チャネル
PDSCH 物理ダウンリンク共有チャネル
DCI ダウンリンク制御インジケータ
UCI アップリンク制御情報
ACK 肯定応答
NACK 否定応答
CCA 明確なチャネル評価
LBT リッスンビフォアトーク
COT チャネル占有時間
C-RNTI セル無線網臨時識別子
Claims (3)
- 無線通信のための方法であって、
スケジューリングメッセージを端末デバイスへ送信することと、
前記スケジューリングメッセージに従ってデータを前記端末デバイスへ送信することと、
前記端末デバイスからハイブリッド自動再送要求(HARQ:hybrid automatic repeat request)フィードバックを検出することと、
前記HARQフィードバックが検出されたリソースのリソースIDを決定することと、
前記受信したHARQフィードバック及び前記リソースIDに基づいて、後続の送信又は再送信を制御することと、
を備え、
前記リソースIDは前記リソースに関連付けられたリソースセットグループの識別子を含み、リソースセットグループは1つ以上のリソースセットを含み、リソースセットは1つ以上のリソースを含む、
方法。 - 前記受信したHARQフィードバック及び前記リソースIDに基づいて、後続の送信又は再送信を制御することは、
前記リソースセットグループの前記識別子がi番目のリソースセットグループを示すことに応答して、前記受信したHARQフィードバックがHARQフィードバックのi回目の再送信であると判定することと、
前記HARQフィードバックの前記i回目の再送信に関連付けられた以前のデータ送信を決定することと、
前記受信したHARQフィードバックに基づいて、前記以前のデータ送信の再送信を制御することと、
を含む、
請求項1に記載の方法。 - 前記受信したHARQフィードバックに基づいて、前記以前のデータ送信の再送信を制御することは、
前記受信したHARQフィードバックが肯定応答(ACK:acknowledgement)であることに応答して、前記以前のデータ送信の再送信を阻止することと、
前記受信したHARQフィードバックが否定応答(NACK:negative acknowledgement)であることに応答して、前記以前のデータ送信の再送信を実行することと、
を含む、
請求項1に記載の方法。
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PCT/CN2018/114659 WO2020093336A1 (en) | 2018-11-08 | 2018-11-08 | Method and devices for hybrid automatic repeat request |
JP2021524147A JP2022517480A (ja) | 2018-11-08 | 2018-11-08 | 装置、方法及びプログラム |
JP2023030422A JP7601127B2 (ja) | 2018-11-08 | 2023-02-28 | 無線通信のための方法 |
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EP (1) | EP3878119A4 (ja) |
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WO2020093336A1 (en) | 2020-05-14 |
US12057944B2 (en) | 2024-08-06 |
EP3878119A4 (en) | 2022-06-08 |
JP7601127B2 (ja) | 2024-12-17 |
EP3878119A1 (en) | 2021-09-15 |
US20210376963A1 (en) | 2021-12-02 |
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