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 PDF

Info

Publication number
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
Authority
JP
Japan
Prior art keywords
dmrs
occ
pattern
cdm
cdm group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2017541770A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018510547A (ja
JP2018510547A5 (enExample
Inventor
ウェイ、チャオ
チェン、ワンシ
ガール、ピーター
リ、グオドン
ホウ、ジレイ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2018510547A publication Critical patent/JP2018510547A/ja
Publication of JP2018510547A5 publication Critical patent/JP2018510547A5/ja
Application granted granted Critical
Publication of JP6755875B2 publication Critical patent/JP6755875B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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)
JP2017541770A 2015-02-10 2016-02-09 より高次のｍｕ−ｍｉｍｏのためのｄｍｒｓ拡張 Active JP6755875B2 (ja)

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)

* Cited by examiner, † Cited by third party
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
WO2016200241A1 (ko) 2015-06-12 2016-12-15 삼성전자 주식회사 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 장치
WO2016204549A1 (ko) * 2015-06-19 2016-12-22 삼성전자 주식회사 무선 통신 시스템에서 기준 신호 전송 방법 및 장치
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
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、装置以及通信系统
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
CN110073617B (zh) * 2016-12-07 2021-07-09 三菱电机株式会社 发送装置、通信系统和发送方法
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
US10869214B2 (en) * 2017-01-12 2020-12-15 Telefonaktiebolaget Lm Ericcson (Publ) 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
US11076410B2 (en) * 2017-02-03 2021-07-27 Ntt Docomo, Inc. User terminal and radio communication method
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
EP3863258B1 (en) * 2017-03-23 2023-09-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and device for transmitting uplink demodulation reference signal
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
KR102414527B1 (ko) * 2017-04-03 2022-06-30 삼성전자 주식회사 이동 통신 시스템에서의 다이버시티 기반 데이터 전송 방법 및 장치
WO2018186652A1 (ko) 2017-04-03 2018-10-11 삼성전자 주식회사 이동 통신 시스템에서의 다이버시티 기반 데이터 전송 방법 및 장치
WO2018227383A1 (en) * 2017-06-13 2018-12-20 Nec Corporation Methods and apparatuses for reference signal configuration
US11664947B2 (en) * 2017-06-26 2023-05-30 Qualcomm Incorporated Techniques for orthogonal demodulation reference signals
EP3627744A4 (en) * 2017-07-13 2020-06-24 Huawei Technologies Co., Ltd. DATA TRANSFER METHOD AND DEVICE
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
WO2019024055A1 (en) * 2017-08-03 2019-02-07 Nec Corporation METHOD AND APPARATUS FOR REFERENCE SIGNAL CONFIGURATION
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
CN110999124B (zh) 2017-08-11 2022-08-26 联想(北京)有限公司 用于dmrs传输的方法和设备
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
CN115765944B (zh) 2017-08-11 2025-04-01 松下电器（美国）知识产权公司 用于用户设备和基站的集成电路
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
KR20200090229A (ko) * 2017-11-24 2020-07-28 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 무선 전송 매핑 유형들의 시그널링
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
EP3753355A1 (en) * 2018-02-16 2020-12-23 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
WO2019215260A1 (en) * 2018-05-10 2019-11-14 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
CN112740596B (zh) * 2018-09-20 2025-04-01 瑞典爱立信有限公司 Lte/nr共存中的解调参考信令
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
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
BR112021006795A2 (pt) * 2018-10-10 2021-07-20 Ntt Docomo, Inc. terminal de usuário
CN111092837A (zh) 2018-10-24 2020-05-01 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
WO2020087473A1 (en) * 2018-11-01 2020-05-07 Nec Corporation Reference signal transmission
US11418992B2 (en) * 2018-11-02 2022-08-16 At&T Intellectual Property I, L.P. Generation of demodulation reference signals in advanced networks
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
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
EP3949213A4 (en) * 2019-03-29 2022-04-20 ZTE Corporation REFERENCE SIGNALING CONFIGURATION SYSTEM AND METHOD
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
CN112312552B (zh) 2019-07-31 2022-05-24 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
WO2021094543A1 (en) 2019-11-13 2021-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Demodulation reference signals for shared radio
CN114071723B (zh) * 2020-07-30 2025-01-17 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
WO2022041081A1 (zh) * 2020-08-27 2022-03-03 华为技术有限公司 通信方法及装置
CN116097814B (zh) * 2020-10-29 2024-12-06 Oppo广东移动通信有限公司 无线通信的方法和通信设备
CN115460706A (zh) * 2021-04-05 2022-12-09 苹果公司 无线网络中的控制信道和参考信号传输
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
JP2024540788A (ja) * 2022-01-28 2024-11-06 中興通訊股▲ふん▼有限公司 無線通信のための基準シグナリングのためのシステムおよび方法
EP4344517A4 (en) * 2022-01-28 2024-11-06 ZTE Corporation SYSTEMS AND METHODS FOR CONFIGURING AND INDICATING DEMODULATION REFERENCE SIGNAL PORT
KR20240170949A (ko) * 2022-04-02 2024-12-05 비보 모바일 커뮤니케이션 컴퍼니 리미티드 복조 참조 신호 전송 방법, 장치, 단말 및 네트워크 측 기기
EP4515764A4 (en) * 2022-04-28 2026-01-21 Apple Inc DMRS DESIGN WITH CDM GROUP EXPANSION
WO2023206275A1 (en) 2022-04-28 2023-11-02 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
WO2024031437A1 (en) * 2022-08-10 2024-02-15 Apple Inc. Methods and apparatus to support more dmrs ports for cp-ofdm waveform
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
KR20250050071A (ko) * 2022-08-12 2025-04-14 노키아 테크놀로지스 오와이 다중 복조 참조 신호 패턴의 구성
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101682918B (zh) * 2007-02-02 2012-12-26 Lg电子株式会社 天线切换方法及其发射和接收信号的方法
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
BR112012016405B1 (pt) * 2010-01-20 2021-06-08 Telefonaktiebolaget Lm Ericsson (Publ) método implementado por uma estação base para transmitir sinais de referência de demodulação para um terminal de usuário, método implementado por um terminal de usuário para receber sinais de referência de demodulação transmitidos por uma estação base, estação base, e terminal de usuário
EP2528244B1 (en) * 2010-01-22 2018-03-07 LG Electronics Inc. Method and apparatus for providing downlink control information in an mimo wireless communication system
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
WO2011132942A2 (ko) * 2010-04-20 2011-10-27 엘지전자 주식회사 무선 통신 시스템에서 참조 신호 전송 방법 및 장치
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
WO2013048220A1 (en) * 2011-09-30 2013-04-04 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving signal 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
WO2017124335A1 (en) * 2016-01-20 2017-07-27 Nec Corporation Methods and apparatuses for transmitting a reference signal

Also Published As

Publication number Publication date
CN107431682A (zh) 2017-12-01
US20180026684A1 (en) 2018-01-25
KR20170117051A (ko) 2017-10-20
JP2018510547A (ja) 2018-04-12
US11677448B2 (en) 2023-06-13
WO2016127309A1 (en) 2016-08-18
EP3257210A4 (en) 2018-08-29
WO2016127939A1 (en) 2016-08-18
BR112017017154A2 (pt) 2018-04-03
EP3257210B1 (en) 2025-08-27
CN107431682B (zh) 2021-06-11
EP3257210A1 (en) 2017-12-20
KR102755603B1 (ko) 2025-01-15

Similar Documents

Publication Publication Date Title
JP6755875B2 (ja) より高次のｍｕ−ｍｉｍｏのためのｄｍｒｓ拡張
JP6855555B2 (ja) マシン型通信に関するコントロールチャネルの設計
US11652516B2 (en) Method and apparatus for configuration of CSI-RS for 3-D MIMO
US10798682B2 (en) Methods and apparatus for processing control and/or shared channels in long term evolution (LTE)
EP4213434B1 (en) Method and apparatus for reference signal signaling for advanced wireless communications
TWI758309B (zh) 用於無線通訊中非相干聯合傳輸的技術
US9871636B2 (en) Enhanced control channel element (ECCE) based physical downlink shared channel (PDSCH) resource allocation for long-term evolution (LTE)
KR102164434B1 (ko) Enodeb간 comp를 지원하는 방법들
EP2689624B1 (en) Method for search space configuration of enhanced physical downlink control channel
CN107925500B (zh) 用于发送与参考信号相关的信息的方法及设备
US20130182799A1 (en) Dm-rs based decoding using csi-rs-based timing
KR20110120806A (ko) 제어정보의 전송방법 및 기지국과, 제어정보의 수신방법 및 사용자기기
US20180167185A1 (en) Flexible transmission of messages in a wireless communication system with multiple transmit antennas
CN105007600A (zh) 一种下行数据速率匹配的方法和装置
CA2834953A1 (en) Methods of pdcch capacity enhancement in lte systems based on a tp-specific reference signal
US11012210B2 (en) System and method for demodulation reference signal overhead reduction
US20130329657A1 (en) Signaling of virtual cell id

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190115

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20190115

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20191112

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200207

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20200728

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200826

R150 Certificate of patent or registration of utility model

Ref document number: 6755875

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250