JP2020507956A - 無線通信システムにおいて、harq−ack信号を送信する方法、及びそのための装置 - Google Patents
無線通信システムにおいて、harq−ack信号を送信する方法、及びそのための装置 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
- H04L1/1607—Details of the supervisory signal
- H04L1/1614—Details of the supervisory signal using bitmaps
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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
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
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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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
- H04L1/0063—Single parity check
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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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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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
- H04L1/1607—Details of the supervisory signal
- H04L1/1664—Details of the supervisory signal the supervisory signal being transmitted together with payload signals; piggybacking
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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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- 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
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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
- H04L5/0053—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
- 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
- H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
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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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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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
- 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
-
- 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
- H04L5/0058—Allocation criteria
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
Claims (15)
- 無線通信システムにおいて、端末が再送信されるデータを受信する方法であって、
基地局から、複数のコードブロックグループを含む複数の送信ブロックを受信するステップと、
各々のコードブロックグループが、前記複数の送信ブロックの各々が受信された手順及び前記複数の送信ブロックの各々に含まれた手順に基づいて、前記複数のコードブロックグループの各々に対する第1のHARQ−ACK信号をマッピングして、送信するステップと、
前記送信された第1のHARQ−ACK信号に基づいて再送信される1つ以上のコードブロックグループを受信するステップと、を含む、データ受信方法。 - 前記複数の送信ブロックの各々に対して、偶数番目又は奇数番目に位置したコードブロックグループに対して、前記第1のHARQ−ACK信号を優先マッピングした後、残りのコードブロックグループを前記第1のHARQ−ACK信号にさらにマッピングする、請求項1に記載のデータ受信方法。
- 前記複数の送信ブロックの各々に含まれたコードブロックグループのうち、各々の送信ブロックにおいて最低のインデックスを有するコードブロックグループから昇順に前記第1のHARQ−ACK信号にマッピングされる、請求項1に記載のデータ受信方法。
- 前記複数のコードブロックのうち、Non−Acknowledgement(NACK)信号に対応する、少なくとも1つのコードブロックグループのみを前記第1のHARQ−ACK信号にマッピングする、請求項1に記載のデータ受信方法。
- 前記複数の送信ブロックの各々に対する第2のHARQ−ACK信号を共に送信し、
前記第1のHARQ−ACK信号及び前記第2のHARQ−ACK信号は、互いに異なるチャネルを介して送信される、請求項1に記載のデータ受信方法。 - 前記複数の送信ブロックに含まれた前記複数のコードブロックの数が閾値以下である場合、前記第2のHARQ−ACK信号のみを送信する、請求項5に記載のデータ受信方法。
- 前記第1のHARQ−ACK信号は、上りリンクデータチャネルにピギーバックされる形態で送信される、請求項1に記載のデータ受信方法。
- 前記第1のHARQ−ACK信号は、前記第1のHARQ−ACK信号の受信有無を確認するための、CRC(Cyclical Redundancy Check)ビットを含み、
前記基地局から前記CRCビットに基づく、前記第1のHARQ−ACK信号の受信有無に関する情報を含むDCI(Downlink Control Indicator)を受信する、請求項1に記載のデータ受信方法。 - 無線通信システムにおいて、再送信されるデータを受信する端末であって、
基地局と無線信号を送受信するRFモジュールと、
前記RFモジュールと接続され、前記基地局から、複数のコードブロックグループを含む複数の送信ブロックを受信し、
各々のコードブロックグループが、前記複数の送信ブロックの各々が受信された手順及び前記複数の送信ブロックの各々に含まれた手順に基づいて、前記複数のコードブロックグループの各々に対する第1のHARQ−ACK信号をマッピングして、送信し、
前記送信された第1のHARQ−ACK信号に基づいて再送信される1つ以上のコードブロックグループを受信する、端末。 - 前記複数の送信ブロックの各々に対して、偶数番目又は奇数番目に位置したコードブロックグループに対して、前記第1のHARQ−ACK信号を優先マッピングした後、残りのコードブロックグループを前記第1のHARQ−ACK信号にさらにマッピングする、請求項9に記載の端末。
- 前記複数のコードブロックグループのうち、Non−Acknowledgement(NACK)信号に対応する、少なくとも1つのコードブロックグループのみを前記第1のHARQ−ACK信号にマッピングする、
請求項9に記載の端末。 - 前記複数の送信ブロックの各々に対する第2のHARQ−ACK信号を共に送信し、
前記第1のHARQ−ACK信号及び前記第2のHARQ−ACK信号は、互いに異なるチャネルを介して送信される、請求項9に記載の端末。 - 前記複数の送信ブロックに含まれた前記複数のコードブロックの数が閾値以下である場合、前記第2のHARQ−ACK信号のみを送信する、請求項12に記載の端末。
- 前記第1のHARQ−ACK信号は、上りリンクデータチャネルにピギーバックされる形態で送信される、請求項9に記載の端末。
- 前記第1のHARQ−ACK信号は、前記第1のHARQ−ACK信号の受信有無を確認するための、CRC(Cyclical Redundancy Check)ビットを含み、
前記基地局から前記CRCビットに基づく、前記第1のHARQ−ACK信号の受信有無に関する情報を含むDCI(Downlink Control Indicator)を受信する、請求項9に記載の端末。
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US201762446510P | 2017-01-15 | 2017-01-15 | |
US62/446,510 | 2017-01-15 | ||
US201762454006P | 2017-02-02 | 2017-02-02 | |
US62/454,006 | 2017-02-02 | ||
US201762457832P | 2017-02-11 | 2017-02-11 | |
US62/457,832 | 2017-02-11 | ||
US201762472009P | 2017-03-16 | 2017-03-16 | |
US62/472,009 | 2017-03-16 | ||
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