JP2020501441A - Srの送信可否を決定する方法及びnb無線機器 - Google Patents
Srの送信可否を決定する方法及びnb無線機器 Download PDFInfo
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- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
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- 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
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- 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
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- 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
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- 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
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- H04L1/1861—Physical mapping arrangements
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
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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
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- H—ELECTRICITY
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
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- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0466—Wireless resource allocation based on the type of the allocated resource the resource being a scrambling code
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2603—Signal structure ensuring backward compatibility with legacy system
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- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
これから、バッファ状態報告(buffer status reporting:BSR)について説明する。
既存のLTEシステムでは、端末が送信しようとするアップリンクデータがある場合、SRを用いて、アップリンクグラント(UL grant)を受信することができた。しかし、NB−IoTシステムでは、SR手続が提供されていない。従って、本明細書の開示は、NB IoT機器のためのSR手続を提示することを目的とする。以下では、説明の便宜上、NB−IoTシステムを中心に説明しているが、無線機器がSRを行う他のシステムにも一般的に適用され得ることは自明である。
Claims (11)
- NB(NarrowBand)無線機器がSR(Scheduling Request)の送信可否を決定する方法であって、
HARQ(Hybrid Automatic Retransmit reQuest)ACK/NACK(acknowledgement/negative−acknowledgement)信号の送信のための資源を用いて、SR(Scheduling Request)を送信するかどうかを決定する段階を含み、
前記決定する段階は、一つ以上のHARQプロセスが駆動される場合に行われ、
前記HARQ ACK/NACK信号の送信のための資源は、NPUSCH(Narrowband Physical Uplink Shared Channel)を含む、方法。 - 前記決定する段階は、NDI(New Data Indicator)に基づいて行われる、請求項1に記載の方法。
- 前記NDIが新たなデータの送信を指示する場合、前記SRが送信されると決定される、請求項2に記載の方法。
- 前記決定する段階は、RV(redundancy version)に基づいて行われる、請求項1に記載の方法。
- 前記NPUSCHは、前記SRの送信可否を知らせるビットを含む、請求項1に記載の方法。
- 前記SRが送信される場合、前記NPUSCHがマッピングされる一つ以上のOFDM(orthogonal frequency division multiplexing)シンボルには、コードワードカバー(codeword cover)が適用される、請求項1に記載の方法。
- 前記SRが送信される場合、前記NPUSCHは、QPSK(Quadrature Phase Shift Keying)によって変調される、請求項1に記載の方法。
- 前記SRの送信可否は、DCI(Downlink Control Information)内に含まれる情報に応じて決定される、請求項1に記載の方法。
- SR(Scheduling Request)の送信可否を決定するNB(NarrowBand)無線機器であって、
送受信部と、
前記送受信部を制御し、HARQ(Hybrid Automatic Retransmit reQuest)ACK/NACK(acknowledgement/negative−acknowledgement)信号の送信のための資源を用いて、SR(Scheduling Request)を送信するか決定するプロセッサと、を含み、
前記決定は、一つ以上のHARQプロセスが駆動される場合に行われ、
前記HARQ ACK/NACK信号の送信のための資源は、NPUSCH(Narrowband Physical Uplink Shared Channel)を含む、無線機器。 - 前記プロセッサは、前記決定をNDI(New Data Indicator)に基づいて行う、請求項9に記載の無線機器。
- 前記プロセッサは、前記決定をRV(redundancy version)に基づいて行う、請求項8に記載の無線機器。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762475881P | 2017-03-24 | 2017-03-24 | |
US62/475,881 | 2017-03-24 | ||
US201762501108P | 2017-05-04 | 2017-05-04 | |
US62/501,108 | 2017-05-04 | ||
US201762523243P | 2017-06-21 | 2017-06-21 | |
US62/523,243 | 2017-06-21 | ||
PCT/KR2018/003364 WO2018174598A1 (ko) | 2017-03-24 | 2018-03-22 | Sr 전송 여부를 결정하는 방법 및 nb 무선 기기 |
Publications (1)
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JP2020501441A true JP2020501441A (ja) | 2020-01-16 |
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JP2019529968A Pending JP2020501441A (ja) | 2017-03-24 | 2018-03-22 | Srの送信可否を決定する方法及びnb無線機器 |
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Country | Link |
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US (4) | US20190223190A1 (ja) |
EP (2) | EP3923498B1 (ja) |
JP (1) | JP2020501441A (ja) |
KR (2) | KR102066103B1 (ja) |
CN (1) | CN109891796A (ja) |
WO (1) | WO2018174598A1 (ja) |
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JP2021513808A (ja) * | 2018-02-14 | 2021-05-27 | 華為技術有限公司Huawei Technologies Co.,Ltd. | スロット・フォーマットを決定する方法および装置 |
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JP2021513808A (ja) * | 2018-02-14 | 2021-05-27 | 華為技術有限公司Huawei Technologies Co.,Ltd. | スロット・フォーマットを決定する方法および装置 |
US11388709B2 (en) | 2018-02-14 | 2022-07-12 | Huawei Technologies Co., Ltd. | Method for determining slot format and device |
JP7358366B2 (ja) | 2018-02-14 | 2023-10-10 | 華為技術有限公司 | スロット・フォーマットを決定する方法および装置 |
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US10873956B2 (en) | 2020-12-22 |
WO2018174598A1 (ko) | 2018-09-27 |
KR20190039273A (ko) | 2019-04-10 |
EP3509239B1 (en) | 2022-01-19 |
KR102066103B1 (ko) | 2020-01-14 |
CN109891796A (zh) | 2019-06-14 |
US20210045133A1 (en) | 2021-02-11 |
KR20200004928A (ko) | 2020-01-14 |
US20190223190A1 (en) | 2019-07-18 |
EP3509239A1 (en) | 2019-07-10 |
US20190239239A1 (en) | 2019-08-01 |
EP3923498A1 (en) | 2021-12-15 |
US20230261917A1 (en) | 2023-08-17 |
US11671295B2 (en) | 2023-06-06 |
KR102195797B1 (ko) | 2020-12-28 |
EP3923498B1 (en) | 2023-11-08 |
EP3509239A4 (en) | 2019-11-06 |
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