JP6755875B2 - より高次のmu−mimoのためのdmrs拡張 - Google Patents
より高次のmu−mimoのためのdmrs拡張 Download PDFInfo
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- JP6755875B2 JP6755875B2 JP2017541770A JP2017541770A JP6755875B2 JP 6755875 B2 JP6755875 B2 JP 6755875B2 JP 2017541770 A JP2017541770 A JP 2017541770A JP 2017541770 A JP2017541770 A JP 2017541770A JP 6755875 B2 JP6755875 B2 JP 6755875B2
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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
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0697—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
-
- 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) or 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
-
- 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
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
-
- 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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- 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
- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/072636 WO2016127309A1 (en) | 2015-02-10 | 2015-02-10 | Dmrs enhancement for higher order mu-mimo |
| CNPCT/CN2015/072636 | 2015-02-10 | ||
| PCT/CN2016/073736 WO2016127939A1 (en) | 2015-02-10 | 2016-02-09 | Dmrs enhancement for higher order mu-mimo |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018510547A JP2018510547A (ja) | 2018-04-12 |
| JP2018510547A5 JP2018510547A5 (enExample) | 2019-02-28 |
| JP6755875B2 true JP6755875B2 (ja) | 2020-09-16 |
Family
ID=56614982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017541770A Active JP6755875B2 (ja) | 2015-02-10 | 2016-02-09 | より高次のmu−mimoのためのdmrs拡張 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11677448B2 (enExample) |
| EP (1) | EP3257210B1 (enExample) |
| JP (1) | JP6755875B2 (enExample) |
| KR (1) | KR102755603B1 (enExample) |
| CN (1) | CN107431682B (enExample) |
| WO (2) | WO2016127309A1 (enExample) |
Families Citing this family (88)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10243713B2 (en) * | 2015-03-13 | 2019-03-26 | Qualcomm Incorporated | DMRS based DL for low latency |
| CN106162890B (zh) * | 2015-04-14 | 2020-02-18 | 中国移动通信集团公司 | 一种解调参考信号dmrs端口的指示方法、装置及基站 |
| KR102520403B1 (ko) | 2015-06-12 | 2023-04-11 | 삼성전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 장치 |
| US10903958B2 (en) * | 2015-06-19 | 2021-01-26 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting reference signal in wireless communication system |
| CN106470087B (zh) * | 2015-08-19 | 2020-06-26 | 中国移动通信集团公司 | Dmrs指示方法、系统、基站及用户设备 |
| US10447447B2 (en) | 2016-04-05 | 2019-10-15 | Qualcomm Incorporated | Methods and apparatus for multiplexing reference signals for multiple input multiple output (MIMO) layers |
| WO2018030359A1 (ja) * | 2016-08-10 | 2018-02-15 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
| JP6816819B2 (ja) * | 2016-08-12 | 2021-01-20 | 富士通株式会社 | 復調参照信号の多重化方法、装置及び通信システム |
| TWI665925B (zh) * | 2016-10-11 | 2019-07-11 | 聯發科技股份有限公司 | 用於行動通訊中的同步信號塊處理方法及設備 |
| JP6533298B2 (ja) * | 2016-12-07 | 2019-06-19 | 三菱電機株式会社 | 送信装置、通信システムおよび送信方法 |
| CN108270711B (zh) * | 2017-01-04 | 2021-12-03 | 华为技术有限公司 | 传输参考信号的方法、设备和系统 |
| 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 |
| CN108347767B (zh) * | 2017-01-24 | 2021-01-15 | 中国移动通信有限公司研究院 | 一种解调参考信号的收发方法及收发装置 |
| WO2018142747A1 (ja) * | 2017-02-03 | 2018-08-09 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
| CN108400848B (zh) * | 2017-02-04 | 2024-01-19 | 华为技术有限公司 | 一种指示方法及装置 |
| KR102364119B1 (ko) * | 2017-03-23 | 2022-02-17 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 상향 복조 기준 신호의 전송 방법 및 디바이스 |
| CN108631990B (zh) * | 2017-03-24 | 2022-12-06 | 中兴通讯股份有限公司 | 一种信令的指示方法和装置 |
| EP3602814A1 (en) * | 2017-03-24 | 2020-02-05 | Intel IP Corporation | Control signaling for demodulation reference signal antenna port indication |
| WO2018182358A1 (ko) | 2017-03-31 | 2018-10-04 | 엘지전자(주) | 무선 통신 시스템에서 참조 신호를 송수신하기 위한 방법 및 이를 위한 장치 |
| CN116112141B (zh) | 2017-04-03 | 2025-09-12 | 三星电子株式会社 | 通信系统中的用户设备、基站及其方法 |
| KR102414527B1 (ko) * | 2017-04-03 | 2022-06-30 | 삼성전자 주식회사 | 이동 통신 시스템에서의 다이버시티 기반 데이터 전송 방법 및 장치 |
| CN110731115A (zh) * | 2017-06-13 | 2020-01-24 | 日本电气株式会社 | 用于参考信号配置的方法和装置 |
| US11664947B2 (en) * | 2017-06-26 | 2023-05-30 | Qualcomm Incorporated | Techniques for orthogonal demodulation reference signals |
| CN109891805A (zh) * | 2017-07-13 | 2019-06-14 | 华为技术有限公司 | 一种数据传输方法及设备 |
| CN109327250A (zh) * | 2017-07-31 | 2019-02-12 | 成都华为技术有限公司 | 通信方法和网络设备 |
| CN111133686B (zh) * | 2017-08-03 | 2024-03-29 | 日本电气株式会社 | 用于参考信号配置的方法和装置 |
| US10397052B2 (en) | 2017-08-10 | 2019-08-27 | At&T Intellectual Property I, L.P. | Adapting demodulation reference signal configuration in networks using massive MIMO |
| CN109391456B (zh) | 2017-08-11 | 2022-02-15 | 华为技术有限公司 | 一种dmrs指示和接收方法,发射端和接收端 |
| JP7197562B2 (ja) | 2017-08-11 | 2022-12-27 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 新無線(nr)の復調参照信号(dmrs)ポートのマッピングおよび関連するシグナリング |
| ES2999765T3 (en) * | 2017-08-11 | 2025-02-26 | Lenovo Beijing Ltd | Method and apparatus for dmrs transmission |
| EP3468061A1 (en) | 2017-10-03 | 2019-04-10 | Panasonic Intellectual Property Corporation of America | Signaling aspects for indication of co-scheduled dmrs ports in mu-mimo |
| BR112020010121A2 (pt) * | 2017-11-24 | 2020-11-10 | Telefonaktiebolaget Lm Ericsson (Publ) | nó de rede, métodos para sinalizar e receber informações de alocação de recursos, e, dispositivo sem fio. |
| JP2019115004A (ja) * | 2017-12-26 | 2019-07-11 | シャープ株式会社 | 基地局装置、端末装置および通信方法 |
| CN110167040A (zh) * | 2018-02-11 | 2019-08-23 | 索尼公司 | 无线通信系统中的装置和方法、计算机可读存储介质 |
| US11510249B2 (en) * | 2018-02-16 | 2022-11-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Flexible demodulation reference signal configuration for MSG3 |
| US10999030B2 (en) * | 2018-04-17 | 2021-05-04 | Qualcomm Incorporated | Demodulation reference signal (DMRS) time domain bundling and multiple codeword transmission and processing |
| CN110401515B (zh) | 2018-04-24 | 2020-12-15 | 华为技术有限公司 | 一种资源配置方法及节点 |
| EP3791511A1 (en) * | 2018-05-10 | 2021-03-17 | Telefonaktiebolaget LM Ericsson (publ) | Physical uplink control channel freqency division multiplexing with intra data subcarrier orthogonal cover codes |
| CN110474741B (zh) * | 2018-05-11 | 2021-01-15 | 华为技术有限公司 | 一种通信方法及装置 |
| CN110620643B (zh) * | 2018-06-20 | 2022-05-31 | 中兴通讯股份有限公司 | Dmrs导频扰码配置信息分配方法、装置、设备和存储介质 |
| WO2020029232A1 (en) * | 2018-08-10 | 2020-02-13 | Qualcomm Incorporated | Quasi-colocation indication for demodulation reference signals |
| KR102654120B1 (ko) * | 2018-09-05 | 2024-04-04 | 삼성전자주식회사 | 이동 통신 시스템에서 papr 감소를 위한 기준 신호 시퀀스 생성 방법 및 장치 |
| WO2020060459A1 (en) | 2018-09-20 | 2020-03-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Demodulation reference signaling in lte/nr coexistence |
| US11082279B2 (en) * | 2018-09-27 | 2021-08-03 | At&T Intellectual Property I, L.P. | Facilitation of reduction of peak to average power ratio for 5G or other next generation network |
| US20210359808A1 (en) * | 2018-10-10 | 2021-11-18 | Ntt Docomo, Inc. | User terminal |
| US10659270B2 (en) | 2018-10-10 | 2020-05-19 | At&T Intellectual Property I, L.P. | Mapping reference signals in wireless communication systems to avoid repetition |
| CN114172778B (zh) | 2018-10-24 | 2023-09-26 | 中兴通讯股份有限公司 | 参数配置、参数接收方法及装置、存储介质 |
| DE112018008045T5 (de) | 2018-11-01 | 2021-08-05 | Nec Corporation | Referenzsignalübertragung |
| US11140013B2 (en) * | 2018-11-02 | 2021-10-05 | At&T Intellectual Property I, L.P. | Facilitating an antenna port specific downlink control channel design for advanced networks |
| US11297621B2 (en) * | 2018-11-02 | 2022-04-05 | Qualcomm Incorporated | Cyclic prefix orthogonal frequency division multiplexing sequence configuration of a downlink / uplink |
| US11418992B2 (en) | 2018-11-02 | 2022-08-16 | At&T Intellectual Property I, L.P. | Generation of demodulation reference signals in advanced networks |
| CN111147414A (zh) * | 2018-11-06 | 2020-05-12 | 电信科学技术研究院有限公司 | 序列生成方法、序列标识下发方法、终端及网络侧设备 |
| US10700896B2 (en) | 2018-11-09 | 2020-06-30 | Samsung Electronics Co., Ltd. | Systems and methods for time domain layer separation in orthogonal frequency division multiplexing-based receivers |
| CN111327409B (zh) | 2018-12-14 | 2021-08-03 | 大唐移动通信设备有限公司 | 一种数据传输方法及装置 |
| CN111436064B (zh) * | 2019-01-11 | 2023-05-09 | 中国移动通信有限公司研究院 | 控制信道协作传输的方法及装置 |
| US10951282B2 (en) | 2019-02-15 | 2021-03-16 | At&T Intellectual Property I, L.P. | Facilitating selection of demodulation reference signal ports in advanced networks |
| US11265097B2 (en) * | 2019-03-04 | 2022-03-01 | Qualcomm Incorporated | Code division multiplexing group hopping for multi-transmission/reception point |
| CN109714142B (zh) * | 2019-03-11 | 2020-05-05 | 西安电子科技大学 | 一种正交时分复用传输方法及系统 |
| CA3135040A1 (en) * | 2019-03-29 | 2020-10-08 | Zte Corporation | System and method for reference signaling configuration |
| US11533155B2 (en) * | 2019-06-07 | 2022-12-20 | Qualcomm Incorporated | Triggering demodulation reference signal bundling |
| US11444680B2 (en) * | 2019-07-18 | 2022-09-13 | Qualcomm Incorporated | Beam switching in a high radio frequency spectrum band |
| CN115052351A (zh) * | 2019-07-31 | 2022-09-13 | 华为技术有限公司 | 一种数据传输方法、装置及系统 |
| US11533156B2 (en) * | 2019-09-19 | 2022-12-20 | Qualcomm Incorporated | Demodulation reference signal modifications for multiple signaling, multiple transmission reception point operation |
| US11424884B2 (en) * | 2019-10-04 | 2022-08-23 | Qualcomm Incorporated | Demodulation reference signal having a reduced overhead |
| US11863475B2 (en) * | 2019-10-14 | 2024-01-02 | Samsung Electronics Co., Ltd | Method and apparatus for designing rate matching pattern for partial demodulation reference signal (DMRS) transmission |
| CN110855410B (zh) * | 2019-11-07 | 2022-05-13 | 展讯半导体(南京)有限公司 | 解调参考信号dmrs端口的确定方法及相关产品 |
| JP7621353B2 (ja) * | 2019-11-13 | 2025-01-24 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | 共有無線のための復調基準信号 |
| CN119697783A (zh) * | 2020-07-30 | 2025-03-25 | 华为技术有限公司 | 一种通信方法及装置 |
| CN120639255A (zh) * | 2020-08-14 | 2025-09-12 | 华为技术有限公司 | 信号传输方法和装置 |
| CN114079555B (zh) * | 2020-08-14 | 2025-06-17 | 华为技术有限公司 | 信号传输方法和装置 |
| CN116076045B (zh) * | 2020-08-27 | 2025-01-10 | 华为技术有限公司 | 通信方法及装置 |
| WO2022087970A1 (zh) * | 2020-10-29 | 2022-05-05 | Oppo广东移动通信有限公司 | 无线通信的方法和通信设备 |
| JP7656073B2 (ja) * | 2021-04-05 | 2025-04-02 | アップル インコーポレイテッド | ワイヤレスネットワークにおける制御チャネル及び参照信号送信 |
| CN118414880A (zh) * | 2022-01-07 | 2024-07-30 | 联想(北京)有限公司 | Dmrs端口的资源映射的方法和装置 |
| CN116506952A (zh) * | 2022-01-25 | 2023-07-28 | 维沃移动通信有限公司 | Dmrs生成方法、终端及网络侧设备 |
| WO2023141910A1 (en) * | 2022-01-28 | 2023-08-03 | Zte Corporation | Systems and methods for dmrs port configuration and indication |
| EP4344504A4 (en) * | 2022-01-28 | 2024-11-20 | ZTE Corporation | SYSTEMS AND METHODS FOR REFERENCE SIGNALIZATION FOR WIRELESS COMMUNICATIONS |
| EP4507426A4 (en) * | 2022-04-02 | 2025-07-30 | Vivo Mobile Communication Co Ltd | Demodulation reference signal transmission method and apparatus, terminal, and network side device |
| US20250293831A1 (en) * | 2022-04-28 | 2025-09-18 | Apple Inc. | Dmrs design with cdm group expansion |
| EP4327501A4 (en) * | 2022-04-28 | 2024-07-31 | ZTE Corporation | REFERENCE SIGNAL PORT INDICATION TECHNIQUES |
| CN117411591A (zh) * | 2022-07-08 | 2024-01-16 | 华为技术有限公司 | 信号传输的方法和通信装置 |
| WO2024034046A1 (ja) * | 2022-08-10 | 2024-02-15 | 株式会社Nttドコモ | 端末、無線通信方法及び基地局 |
| CN119698818A (zh) * | 2022-08-10 | 2025-03-25 | 苹果公司 | 支持用于cp-ofdm波形的更多dmrs端口的方法和装置 |
| CN120035956A (zh) * | 2022-08-12 | 2025-05-23 | 诺基亚技术有限公司 | 多个解调参考信号图样的配置 |
| CN121128096A (zh) * | 2023-05-12 | 2025-12-12 | 高通股份有限公司 | 根据用户装备的与8层下行链路多输入多输出通信相关联的能力的解调参考信号端口组合 |
| CN119030675A (zh) * | 2023-05-26 | 2024-11-26 | 华为技术有限公司 | 基于dmrs的通信方法及装置 |
| CN120076013A (zh) * | 2023-11-30 | 2025-05-30 | 华为技术有限公司 | 一种通信方法及装置 |
| KR20250117006A (ko) * | 2024-01-26 | 2025-08-04 | 삼성전자주식회사 | 무선 통신 시스템에서 하향링크 참조 신호를 송수신하기 위한 방법 및 장치 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8774736B2 (en) | 2007-02-02 | 2014-07-08 | Lg Electronics Inc. | Antenna switching for data transmission in a communication system using a plurality of transmission antennas |
| US9258160B2 (en) | 2010-01-11 | 2016-02-09 | Qualcomm Incorporated | Multiplexing demodulation reference signals in wireless communications |
| KR101789621B1 (ko) * | 2010-01-19 | 2017-10-25 | 엘지전자 주식회사 | 하향링크 데이터 전송방법 및 기지국과, 하향링크 데이터 수신방법 및 사용자기기 |
| ES2802458T3 (es) * | 2010-01-20 | 2021-01-19 | Ericsson Telefon Ab L M | Método de correspondencia del puerto de antena y dispositivo para demodular señales de referencia |
| WO2011090353A2 (ko) * | 2010-01-22 | 2011-07-28 | 엘지전자 주식회사 | 다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치 |
| CN102158319B (zh) * | 2010-02-12 | 2015-12-16 | 中兴通讯股份有限公司 | 一种基于混合复用解调参考符号的预编码方法及装置 |
| EP2369775B1 (en) * | 2010-03-16 | 2019-05-08 | Lg Electronics Inc. | Method and base station for transmitting reference signals, and method and user equipment for receiving reference signals |
| US9179464B2 (en) * | 2010-04-20 | 2015-11-03 | Lg Electronics Inc. | Method and device for transmitting reference signal in wireless communication system |
| KR101783610B1 (ko) * | 2010-04-21 | 2017-10-10 | 엘지전자 주식회사 | 무선 통신 시스템에서 제어 정보의 전송 방법 및 장치 |
| CN102082595B (zh) * | 2010-04-30 | 2013-08-07 | 电信科学技术研究院 | 一种配置dmrs的方法、装置及系统 |
| CN103209490B (zh) * | 2010-06-28 | 2016-08-24 | 华为技术有限公司 | 专用解调参考信号的资源配置方法和相关装置 |
| WO2012071721A1 (en) * | 2010-12-01 | 2012-06-07 | Panasonic Corporation | Method for transmitting reference signals, base station and mobile terminal |
| CN102857458B (zh) | 2011-06-30 | 2018-01-02 | 中兴通讯股份有限公司 | 导频符号确定方法及装置 |
| WO2013009702A1 (en) * | 2011-07-08 | 2013-01-17 | Huawei Technologies Co., Ltd. | System and method for communicating reference signals |
| EP2575284B1 (en) * | 2011-09-30 | 2019-12-11 | Samsung Electronics Co., Ltd | Method and apparatus for transmitting and receiving signals in distributed antenna system |
| US9019924B2 (en) * | 2012-04-04 | 2015-04-28 | Samsung Electronics Co., Ltd. | High-order multiple-user multiple-input multiple-output operation for wireless communication systems |
| US9554381B2 (en) * | 2012-09-24 | 2017-01-24 | Lg Electronics Inc. | Method and apparatus for transmitting or receiving an additional demodulation reference signal based on a channel state information reference signal resource pattern |
| CN103974418B (zh) | 2013-01-24 | 2019-04-05 | 中兴通讯股份有限公司 | Dmrs处理方法及装置 |
| US8964705B2 (en) * | 2013-02-14 | 2015-02-24 | Blackberry Limited | For small cell demodulation reference signal and initial synchronization |
| US9369253B2 (en) * | 2013-02-21 | 2016-06-14 | Blackberry Limited | Methods of interference measurement for advanced receiver in LTE/LTE-A |
| WO2014130082A1 (en) | 2013-02-21 | 2014-08-28 | Hitachi, Ltd. | Method and apparatus for using demodulation reference signal in long term evolution advanced cellular networks |
| US20140286255A1 (en) * | 2013-03-25 | 2014-09-25 | Samsung Electronics Co., Ltd. | Uplink demodulation reference signals in advanced wireless communication systems |
| CN104080180B (zh) * | 2013-03-29 | 2018-08-21 | 上海诺基亚贝尔股份有限公司 | 缩减的dmrs配置以及自适应选择dmrs配置的方法和装置 |
| HUE040329T2 (hu) * | 2013-04-04 | 2019-03-28 | Intel Ip Corp | Rádiókapcsolat figyelés EPDCCH-hoz |
| EP2874454A1 (en) * | 2013-11-15 | 2015-05-20 | Fujitsu Limited | Reference signals in wireless communication |
| KR102117772B1 (ko) * | 2016-01-20 | 2020-06-02 | 닛본 덴끼 가부시끼가이샤 | 기준 신호를 송신하는 방법 및 장치 |
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| KR20170117051A (ko) | 2017-10-20 |
| KR102755603B1 (ko) | 2025-01-15 |
| WO2016127309A1 (en) | 2016-08-18 |
| EP3257210B1 (en) | 2025-08-27 |
| EP3257210A1 (en) | 2017-12-20 |
| BR112017017154A2 (pt) | 2018-04-03 |
| CN107431682A (zh) | 2017-12-01 |
| CN107431682B (zh) | 2021-06-11 |
| EP3257210A4 (en) | 2018-08-29 |
| US20180026684A1 (en) | 2018-01-25 |
| WO2016127939A1 (en) | 2016-08-18 |
| US11677448B2 (en) | 2023-06-13 |
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