CN107431682B - 用于较高阶mu-mimo的dmrs增强的方法和装置 - Google Patents

用于较高阶mu-mimo的dmrs增强的方法和装置 Download PDF

Info

Publication number
CN107431682B
CN107431682B CN201680009353.5A CN201680009353A CN107431682B CN 107431682 B CN107431682 B CN 107431682B CN 201680009353 A CN201680009353 A CN 201680009353A CN 107431682 B CN107431682 B CN 107431682B
Authority
CN
China
Prior art keywords
dmrs
cdm
cdm group
ports
occ
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
CN201680009353.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN107431682A (zh
Inventor
魏超
W·陈
P·盖尔
G·李
J·侯
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 CN107431682A publication Critical patent/CN107431682A/zh
Application granted granted Critical
Publication of CN107431682B publication Critical patent/CN107431682B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H04B7/0456—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)
CN201680009353.5A 2015-02-10 2016-02-09 用于较高阶mu-mimo的dmrs增强的方法和装置 Active CN107431682B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNPCT/CN2015/072636 2015-02-10
PCT/CN2015/072636 WO2016127309A1 (en) 2015-02-10 2015-02-10 Dmrs enhancement for higher order mu-mimo
PCT/CN2016/073736 WO2016127939A1 (en) 2015-02-10 2016-02-09 Dmrs enhancement for higher order mu-mimo

Publications (2)

Publication Number Publication Date
CN107431682A CN107431682A (zh) 2017-12-01
CN107431682B true CN107431682B (zh) 2021-06-11

Family

ID=56614982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680009353.5A Active CN107431682B (zh) 2015-02-10 2016-02-09 用于较高阶mu-mimo的dmrs增强的方法和装置

Country Status (6)

Country Link
US (1) US11677448B2 (2)
EP (1) EP3257210B1 (2)
JP (1) JP6755875B2 (2)
KR (1) KR102755603B1 (2)
CN (1) CN107431682B (2)
WO (2) WO2016127309A1 (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11902201B2 (en) * 2018-09-05 2024-02-13 Samsung Electronics Co., Ltd. Method and device for generating reference signal sequence for PAPR reduction in mobile communication system

Families Citing this family (90)

* 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
EP3309974B1 (en) 2015-06-12 2021-08-04 Samsung Electronics Co., Ltd. Method and device for reporting channel state information in wireless communication system
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
CN109804687B (zh) * 2016-08-10 2023-05-02 株式会社Ntt都科摩 用户终端以及无线通信方法
WO2018027910A1 (zh) * 2016-08-12 2018-02-15 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
CN109845132B (zh) * 2016-10-11 2022-08-12 联发科技股份有限公司 用于移动通信中的同步信号块处理方法及设备
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
EP3569015A1 (en) * 2017-01-12 2019-11-20 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
JP7195153B2 (ja) * 2017-02-03 2022-12-23 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
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
US20210144038A1 (en) * 2017-03-24 2021-05-13 Intel IP Corporation Control signaling for demodulation reference signal antenna port indication
JP6888116B2 (ja) * 2017-03-31 2021-06-16 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおいて参照信号を送受信するための方法及びそのための装置
US11343043B2 (en) 2017-04-03 2022-05-24 Samsung Electronics Co., Ltd Method and apparatus for diversity-based data transmission in mobile communication system
KR102414527B1 (ko) * 2017-04-03 2022-06-30 삼성전자 주식회사 이동 통신 시스템에서의 다이버시티 기반 데이터 전송 방법 및 장치
EP3639595B1 (en) * 2017-06-13 2025-10-01 Nec Corporation Methods and apparatuses for reference signal configuration
EP3646547A4 (en) * 2017-06-26 2021-02-17 Motorola Mobility LLC CONFIGURATION OF A DEMODULATION REFERENCE SIGNAL
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
CN109995499B (zh) 2017-08-11 2020-04-03 华为技术有限公司 接收解调参考信号的方法、接收端、芯片、存储介质和通信系统
WO2019028827A1 (en) 2017-08-11 2019-02-14 Panasonic Intellectual Property Corporation Of America CONNECTING NEW RADIO (NR) DEMODULATION REFERENCE (DMRS) REFERENCE PORTS AND SIGNALING THEREOF
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
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
CN112469130A (zh) * 2018-04-24 2021-03-09 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
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
CN113170321A (zh) * 2018-10-10 2021-07-23 株式会社Ntt都科摩 用户终端
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
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
US12155590B2 (en) 2018-11-01 2024-11-26 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
WO2020199005A1 (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
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
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
CN120691999A (zh) * 2020-08-14 2025-09-23 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
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
US11985659B2 (en) * 2021-04-05 2024-05-14 Apple Inc. Control channel and reference signal transmission in wireless networks
US20250080387A1 (en) 2022-01-07 2025-03-06 Lenovo (Beijing) Limited Methods and apparatus of resource mapping for dmrs ports
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
JP7838001B2 (ja) * 2022-01-28 2026-03-31 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
WO2023141910A1 (en) * 2022-01-28 2023-08-03 Zte Corporation Systems and methods for dmrs port configuration and indication
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
WO2023198123A1 (en) * 2022-04-14 2023-10-19 Mediatek Inc. Method and apparatus for increasing system capacity of demodulation reference signals
WO2023206197A1 (en) * 2022-04-28 2023-11-02 Apple Inc. Dmrs design with cdm group expansion
CN117597883A (zh) * 2022-04-28 2024-02-23 中兴通讯股份有限公司 参考信号端口指示技术
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
WO2024031437A1 (en) * 2022-08-10 2024-02-15 Apple Inc. Methods and apparatus to support more dmrs ports for cp-ofdm waveform
EP4569680A1 (en) * 2022-08-12 2025-06-18 Nokia Technologies Oy Configuration of multiple demodulation reference signal patterns
EP4710445A1 (en) * 2023-05-12 2026-03-18 QUALCOMM Incorporated Demodulation reference signal port combinations in accordance with a capability of a user equipment associated with 8-layer downlink multiple input multiple output communications
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
WO2025244321A1 (ko) * 2024-05-23 2025-11-27 현대자동차주식회사 무선 통신 시스템에서 비-지상 네트워크 상향링크 채널에 대해 직교 커버링 코드를 적용하기 위한 방법 및 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011090282A2 (ko) * 2010-01-19 2011-07-28 엘지전자 주식회사 하향링크 데이터 전송방법 및 기지국과, 하향링크 데이터 수신방법 및 사용자기기
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
CN103974418A (zh) * 2013-01-24 2014-08-06 中兴通讯股份有限公司 Dmrs处理方法及装置
CN104080180A (zh) * 2013-03-29 2014-10-01 上海贝尔股份有限公司 缩减的dmrs配置以及自适应选择dmrs配置的方法和装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9258160B2 (en) 2010-01-11 2016-02-09 Qualcomm Incorporated Multiplexing demodulation reference signals in wireless communications
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
CN102714527B (zh) * 2010-01-22 2015-04-01 Lg电子株式会社 用于在mimo无线通信系统中提供下行链路控制信息的方法和设备
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
PL2369775T3 (pl) * 2010-03-16 2019-08-30 Lg Electronics Inc. Sposób i stacja bazowa do przesyłania sygnałów odniesienia oraz sposób i urządzenie użytkownika do odbioru sygnałów odniesienia
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
WO2014046516A1 (en) 2012-09-24 2014-03-27 Lg Electronics Inc. Method and apparatus for transmitting or receiving reference signal in wireless communication system
US8964705B2 (en) 2013-02-14 2015-02-24 Blackberry Limited For small cell demodulation reference signal and initial synchronization
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
US9369253B2 (en) * 2013-02-21 2016-06-14 Blackberry Limited Methods of interference measurement for advanced receiver in LTE/LTE-A
US20140286255A1 (en) 2013-03-25 2014-09-25 Samsung Electronics Co., Ltd. Uplink demodulation reference signals in advanced wireless communication systems
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
CN108141854B (zh) * 2016-01-20 2022-06-03 日本电气株式会社 用于传输参考信号的方法和装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
WO2011090282A2 (ko) * 2010-01-19 2011-07-28 엘지전자 주식회사 하향링크 데이터 전송방법 및 기지국과, 하향링크 데이터 수신방법 및 사용자기기
CN103974418A (zh) * 2013-01-24 2014-08-06 中兴通讯股份有限公司 Dmrs处理方法及装置
CN104080180A (zh) * 2013-03-29 2014-10-01 上海贝尔股份有限公司 缩减的dmrs配置以及自适应选择dmrs配置的方法和装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Signaling Design of DMRS for UL CoMP;KDDI;《3GPP TSG RAN WG1 Meeting #68bis》;20120319;全文 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11902201B2 (en) * 2018-09-05 2024-02-13 Samsung Electronics Co., Ltd. Method and device for generating reference signal sequence for PAPR reduction in mobile communication system

Also Published As

Publication number Publication date
BR112017017154A2 (pt) 2018-04-03
CN107431682A (zh) 2017-12-01
EP3257210B1 (en) 2025-08-27
US20180026684A1 (en) 2018-01-25
EP3257210A1 (en) 2017-12-20
JP6755875B2 (ja) 2020-09-16
JP2018510547A (ja) 2018-04-12
KR20170117051A (ko) 2017-10-20
US11677448B2 (en) 2023-06-13
WO2016127939A1 (en) 2016-08-18
KR102755603B1 (ko) 2025-01-15
WO2016127309A1 (en) 2016-08-18
EP3257210A4 (en) 2018-08-29

Similar Documents

Publication Publication Date Title
CN107431682B (zh) 用于较高阶mu-mimo的dmrs增强的方法和装置
US8681651B2 (en) Reference signal reception and channel state information determination for multiple nodes in a wireless communication network
CN104704786B (zh) 在无线通信系统中通过考虑天线端口关系收发下行链路信号的方法和设备
CN104584625B (zh) 在无线通信系统中发送信道状态信息csi的方法和装置
CN104704754B (zh) 在无线通信系统中通过考虑天线端口关系收发下行链路信号的方法和设备
CN104704750B (zh) 在无线通信系统中通过考虑天线端口关系收发下行链路信号的方法和设备
CN104641582B (zh) 在无线通信系统中考虑天线端口关系发送/接收下行链路信号的方法和装置
CN104685807B (zh) 在无线通信系统中考虑天线端口关系的下行链路信号收发方法和装置
KR102317044B1 (ko) 무선 통신 시스템에서 채널을 추정하는 방법 및 장치
US10666338B2 (en) Channel quality measurement method in multiple antenna wireless communication system and device for same
EP3522579A1 (en) Control channel transmission and reception method and system
KR20120089480A (ko) 무선 통신을 위한 ｕｅ―특정 기준 신호의 전송
US20180167185A1 (en) Flexible transmission of messages in a wireless communication system with multiple transmit antennas
BR112017017154B1 (pt) Método para comunicação sem fio por uma estação base bs, aparelho para comunicações sem fio por um enób, método para comunicações sem fio por um equipamento de usuário ue e aparelho para comunicação sem fio por um equipamento de usuário ue"

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant