JP6788099B2 - 可変構造参照信号 - Google Patents
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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
-
- 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
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
-
- 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
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
-
- 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
-
- 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
-
- 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
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- 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
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
-
- 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
- H04L5/0078—Timing of allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- 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
- H04L27/2626—Arrangements specific to the transmitter only
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (10)
- 無線通信システムにおいて、データに対する復調用参照信号(DMRSs)を送信する方法であって、
時間領域ユニット内で1番目のOFDMシンボルについての基本DMRSを送信し、
前記時間領域ユニット内で前記1番目のOFDMシンボルの後に位置する一つ以上の2番目のOFDMシンボルについての一つ以上の付加DMRSを送信することを含み、
前記1番目のOFDMシンボルの位置はデータ領域のマッピングタイプに基づいて変更でき、前記マッピングタイプは前記時間領域ユニット内で前記データ領域の開始OFDMシンボルの位置に基づいており、
複数の2番目のOFDMシンボルの位置は、前記1番目のOFDMシンボルの存在、前記データ領域内の、前記2番目のOFDMシンボルの数とOFDMシンボルの数に基づいて決定され、
前記複数の2番目のOFDMシンボルの位置は、前記1番目のOFDMシンボルの位置の変化量に関わらず、前記データ領域のマッピングタイプに基づいて決定される、DMRS送信方法。 - 第1のマッピングタイプに利用される、前記1番目のOFDMシンボルの位置は、前記時間領域ユニット内で2番目に位置するOFDMシンボル又は3番目に位置するOFDMシンボルとして異なって決定される、請求項1に記載のDMRS送信方法。
- 最初に位置するOFDMシンボルは、前記データに対して割り当てられたOFDMシンボルの中で、前記時間領域ユニット内で最初に位置するOFDMシンボルとは異なる、請求項1に記載のDMRS送信方法。
- 前記データは、UEによって送信された物理アップリンク共有チャネル(PUSCH)を含む、請求項1に記載のDMRS送信方法。
- 前記データは、ネットワークにより送信される物理ダウンリンク共有チャネル(PDSCH)を含む、請求項1に記載のDMRS送信方法。
- 無線通信システムにおいて、データに対する復調用参照信号(DMRSs)を送信する装置であって、
時間領域内で1番目のOFDMシンボルについての基本DMRSを送信し、時間領域ユニット内で前記1番目のOFDMシンボルの後に位置する一つ以上の2番目のOFDMシンボルについての一つ以上の付加DMSRを送信するように構成された送受信機と、
前記送受信機と接続し、データ領域のマッピングタイプに基づいて前記1番目のOFDMシンボルの変化しうる位置を決定し、
前記マッピングタイプは前記時間領域ユニット内の前記データ領域の開始OFDMシンボルの位置に基づき、
複数の2番目のOFDMシンボルの位置を、前記1番目のOFDMシンボルの存在と、前記データ領域内の複数の2番目のOFDMシンボルの数と、OFDMシンボルの数とに基づいて決定するように構成されたプロセッサとを含み、
前記複数の2番目のOFDMシンボルの位置は、前記1番目のOFDMシンボルの位置の変化量に関わらず、前記データ領域のマッピングタイプに基づいて決定される、DMRS送信装置。 - 第1のマッピングタイプに利用される、前記1番目のOFDMシンボルの位置は、前記時間領域ユニット内で2番目に位置するOFDMシンボル又は3番目に位置するOFDMシンボルとして異なって決定される、請求項6に記載のDMRS送信装置。
- 最初に位置するOFDMシンボルは、前記データに対して割り当てられたOFDMシンボルの中で、前記時間領域ユニット内で最初に位置するOFDMシンボルとは異なる、請求項6に記載のDMRS送信装置。
- 前記データは、UEによって送信された物理アップリンク共有チャネル(PUSCH)を含む、請求項6に記載のDMRS送信装置。
- 前記データは、ネットワークにより送信される物理ダウンリンク共有チャネル(PDSCH)を含む、請求項6に記載のDMRS送信装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201662371865P | 2016-08-08 | 2016-08-08 | |
US62/371,865 | 2016-08-08 | ||
US201662405254P | 2016-10-07 | 2016-10-07 | |
US62/405,254 | 2016-10-07 | ||
PCT/KR2017/008081 WO2018030678A1 (ko) | 2016-08-08 | 2017-07-27 | 가변 구조 참조신호 |
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JP2019531626A JP2019531626A (ja) | 2019-10-31 |
JP6788099B2 true JP6788099B2 (ja) | 2020-11-18 |
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US (4) | US10771212B2 (ja) |
EP (1) | EP3471313A4 (ja) |
JP (1) | JP6788099B2 (ja) |
KR (1) | KR101989899B1 (ja) |
CN (1) | CN109478970B (ja) |
WO (1) | WO2018030678A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109478970B (zh) * | 2016-08-08 | 2021-06-08 | Lg 电子株式会社 | 用于在无线通信***中传输dmrs的方法和设备 |
CA3033616C (en) * | 2016-08-11 | 2023-03-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Data communication apparatuses, data communication system and methods using reference symbols |
CN109565485B (zh) * | 2016-08-12 | 2021-08-17 | 富士通株式会社 | 解调参考信号的复用方法、装置以及通信*** |
JP2020017779A (ja) * | 2016-11-02 | 2020-01-30 | 株式会社Nttドコモ | ユーザ装置、及び信号受信方法 |
WO2018132044A1 (en) * | 2017-01-12 | 2018-07-19 | Telefonaktiebolaget Lm Ericsson (Publ) | A wireless communication device and a method therein for reporting signal quality measurements |
CN109905217B (zh) | 2017-12-11 | 2020-11-17 | 中兴通讯股份有限公司 | 参考信号的传输方法及装置 |
MX2020007478A (es) | 2018-01-12 | 2020-09-14 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Metodo, dispositivo terminal y dispositivo de red para transmitir canales. |
EP3796733B1 (en) * | 2018-07-17 | 2023-03-22 | LG Electronics Inc. | Method and device for determining tbs in nr v2x |
CN110086569B (zh) * | 2019-04-03 | 2022-04-15 | 上海无线通信研究中心 | 车联网可变帧通信方法、终端及*** |
CN114600526A (zh) * | 2019-11-05 | 2022-06-07 | 华为技术有限公司 | 通信方法和装置 |
EP4156588A3 (en) * | 2021-09-07 | 2023-07-05 | Samsung Electronics Co., Ltd. | Wireless communication device for transmitting and receiving reference signals and operating method thereof |
CN114124625B (zh) * | 2021-11-25 | 2024-02-27 | 新华三技术有限公司成都分公司 | 一种信道估计方法及装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101497154B1 (ko) * | 2008-06-26 | 2015-03-02 | 엘지전자 주식회사 | Sc-fdma 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법 |
CN101873615A (zh) * | 2009-04-27 | 2010-10-27 | 松下电器产业株式会社 | 无线通信***及其下行链路接收功率检测方法 |
JP2011077647A (ja) | 2009-09-29 | 2011-04-14 | Sharp Corp | 移動局装置、基地局装置、無線通信システム、通信方法および制御プログラム |
KR101789326B1 (ko) | 2009-10-21 | 2017-10-24 | 엘지전자 주식회사 | 중계국을 포함하는 무선 통신 시스템에서 참조 신호 전송 방법 및 장치 |
JP5108035B2 (ja) * | 2010-01-06 | 2012-12-26 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置、移動局装置及び制御情報送信方法 |
TWI599191B (zh) * | 2011-08-12 | 2017-09-11 | 內數位專利控股公司 | 多輸入多輸出操作方法及裝置 |
KR101645827B1 (ko) * | 2011-08-12 | 2016-08-04 | 인터디지탈 패튼 홀딩스, 인크 | 확장 반송파 및 반송파 세그먼트에 대한 기준 신호 구성 |
US20130064216A1 (en) | 2011-09-12 | 2013-03-14 | Research In Motion Limited | DMRS Association and Signaling for Enhanced PDCCH in LTE Systems |
US9609647B2 (en) | 2012-09-25 | 2017-03-28 | Lg Electronics Inc. | Method for receiving downlink signal, and user device; and method for transmitting downlink signal, and base station |
US9197385B2 (en) * | 2013-03-28 | 2015-11-24 | Sharp Laboratories Of America, Inc. | Systems and methods for demodulation reference signal selection |
JP6376757B2 (ja) * | 2014-01-14 | 2018-08-22 | 株式会社Nttドコモ | ユーザ端末、無線基地局及び無線通信方法 |
KR20160055095A (ko) | 2014-11-07 | 2016-05-17 | 한국전자통신연구원 | 채널 추정을 위한 기준 신호 송신 방법 및 장치 |
US11005628B2 (en) * | 2015-08-04 | 2021-05-11 | Futurewei Technologies, Inc. | Device, network, and method for wideband LTE single OFDM symbol uplink transmission |
US10756869B2 (en) * | 2015-08-12 | 2020-08-25 | Apple Inc. | Demodulation in wireless communications |
US10313168B2 (en) | 2015-12-11 | 2019-06-04 | Lg Electronics Inc. | Method and user equipment for receiving downlink channel, and method and base station for transmitting downlink channel |
WO2017110959A1 (ja) * | 2015-12-25 | 2017-06-29 | 株式会社Nttドコモ | ユーザ端末、無線基地局及び無線通信方法 |
WO2017132841A1 (en) * | 2016-02-02 | 2017-08-10 | Nec Corporation | Method and apparatus for communication based on short transmission time intervals in wireless communication system |
US10461979B2 (en) * | 2016-05-19 | 2019-10-29 | Intel IP Corporation | Subframe structure for discrete Fourier transform (DFT) spread orthogonal frequency division multiplexing (S-OFDM) waveforms |
US10420088B2 (en) * | 2016-06-06 | 2019-09-17 | Qualcomm Incorporated | Downlink slot structure, channel placement, and processing timeline options |
CN109478970B (zh) | 2016-08-08 | 2021-06-08 | Lg 电子株式会社 | 用于在无线通信***中传输dmrs的方法和设备 |
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JP2019531626A (ja) | 2019-10-31 |
KR101989899B1 (ko) | 2019-06-17 |
US20220131671A1 (en) | 2022-04-28 |
US11539562B2 (en) | 2022-12-27 |
US20230046109A1 (en) | 2023-02-16 |
US11770278B2 (en) | 2023-09-26 |
US20200344024A1 (en) | 2020-10-29 |
CN109478970A (zh) | 2019-03-15 |
WO2018030678A1 (ko) | 2018-02-15 |
US20190036661A1 (en) | 2019-01-31 |
EP3471313A4 (en) | 2020-02-19 |
US11258562B2 (en) | 2022-02-22 |
US10771212B2 (en) | 2020-09-08 |
EP3471313A1 (en) | 2019-04-17 |
CN109478970B (zh) | 2021-06-08 |
KR20180083001A (ko) | 2018-07-19 |
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