JP6929945B2 - 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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- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
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- Detection And Prevention Of Errors In Transmission (AREA)
Description
Claims (13)
- 無線通信システムにおいて、UE(user equipment)が再送信されるデータを受信する方法であって、
BS(base station)から、複数のコードブロックグループを含む複数のトランスポートブロックを受信するステップと、
前記複数のトランスポートブロックの各々の受信の順序、及び前記複数のトランスポートブロックの各々に含まれた前記コードブロックグループの順序に基づいて、複数のコードブロックグループを第1のHARQ(hybrid automatic request)−ACK(acknowledgement)信号にマッピングして、前記第1のHARQ−ACK信号を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、を含み、
前記複数のトランスポートブロックの各々に対する第2のHARQ−ACK信号は、前記第1のHARQ−ACK信号と共に送信され、
前記第1のHARQ−ACK信号及び前記第2のHARQ−ACK信号は、異なるチャネルによって送信される、方法。 - 前記複数のトランスポートブロックの各々の中の偶数番目又は奇数番目のコードブロックグループは、前記第1のHARQ−ACK信号に最初にマッピングされ、
残りのコードブロックグループは、前記第1のHARQ−ACK信号にさらにマッピングされる、請求項1に記載の方法。 - 前記複数のトランスポートブロックの各々に含まれた前記コードブロックグループのうち、前記トランスポートブロックの各々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始まるコードブロックグループは、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に記載の方法。
- 前記複数のコードブロックグループのうち、NACK(Non-Acknowledgement)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が、前記第1のHARQ−ACK信号にマッピングされる、請求項1に記載の方法。
- 前記複数のトランスポートブロックに含まれたコードブロックの数が閾値より少ない場合、前記第2のHARQ−ACK信号のみが、送信される、請求項1に記載の方法。
- 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に記載の方法。
- 前記第1のHARQ−ACK信号は、前記第1のHARQ−ACK信号が受信されたかどうかを確認するためのCRC(Cyclical Redundancy Check)ビットを含み、
前記CRCビットに基づいて、前記第1のHARQ−ACK信号が受信されたかどうかに関する情報を含むDCI(Downlink Control Indicator)は、前記BSから受信される、請求項1に記載の方法。 - 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UE(user equipment)であって、
BS(base station)と無線信号を送受信するように構成されるRF(radio frequency)モジュールと、
前記RFモジュールと接続され、
前記BSから、複数のコードブロックグループを含む複数のトランスポートブロックを受信し、
前記複数のトランスポートブロックの各々の受信の順序、及び前記複数のトランスポートブロックの各々に含まれた前記コードブロックグループの順序に基づいて、複数のコードブロックグループを第1のHARQ(hybrid automatic request)−ACK(acknowledgement)信号にマッピングして、前記第1のHARQ−ACK信号を送信し、
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、ように構成されるプロセッサと、を備え、
前記複数のトランスポートブロックの各々に対する第2のHARQ−ACK信号は、前記第1のHARQ−ACK信号と共に送信され、
前記第1のHARQ−ACK信号及び前記第2のHARQ−ACK信号は、異なるチャネルによって送信される、UE。 - 前記複数の送信ブロックの各々について、偶数番目又は奇数番目のコードブロックグループは、前記第1のHARQ−ACK信号に最初にマッピングされ、
残りのコードブロックグループは、前記第1のHARQ−ACK信号にさらにマッピングされる、請求項8に記載のUE。 - 前記複数のコードブロックグループのうち、NACK(Non-Acknowledgement)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が、前記第1のHARQ−ACK信号にマッピングされる、請求項8に記載のUE。
- 前記複数のトランスポートブロックに含まれたコードブロックの数が閾値より少ない場合、前記第2のHARQ−ACK信号のみが、送信される、請求項8に記載のUE。
- 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8に記載のUE。
- 前記第1のHARQ−ACK信号は、前記第1のHARQ−ACK信号が受信されたかどうかを確認するためのCRC(Cyclical Redundancy Check)ビットを含み、
前記CRCビットに基づいて、前記第1のHARQ−ACK信号が受信されたかどうかに関する情報を含むDCI(Downlink Control Indicator)は、前記BSから受信される、請求項8に記載のUE。
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US201762454006P | 2017-02-02 | 2017-02-02 | |
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US201762457832P | 2017-02-11 | 2017-02-11 | |
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US62/486,987 | 2017-04-19 | ||
PCT/KR2018/000460 WO2018131880A1 (ko) | 2017-01-15 | 2018-01-10 | 무선 통신 시스템에서, harq-ack 신호를 전송하는 방법 및 이를 위한 장치 |
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US10834631B2 (en) | 2017-03-23 | 2020-11-10 | Lg Electronics Inc. | Method and device for transmitting acknowledgement information by user equipment in wireless communication system |
RU2739925C1 (ru) * | 2017-06-06 | 2020-12-29 | Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. | Способ передачи данных путем преобразования и относящийся к нему продукт |
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US10630450B2 (en) * | 2017-06-27 | 2020-04-21 | Qualcomm Incorporated | Overlapping code block groups for multiple codewords |
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