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WO2011090353A3 - 다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치 - Google Patents

다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치 Download PDF

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Publication number
WO2011090353A3
WO2011090353A3 PCT/KR2011/000480 KR2011000480W WO2011090353A3 WO 2011090353 A3 WO2011090353 A3 WO 2011090353A3 KR 2011000480 W KR2011000480 W KR 2011000480W WO 2011090353 A3 WO2011090353 A3 WO 2011090353A3
Authority
WO
WIPO (PCT)
Prior art keywords
wireless communication
communication system
control information
downlink control
downlink
Prior art date
Application number
PCT/KR2011/000480
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English (en)
French (fr)
Other versions
WO2011090353A2 (ko
Inventor
고현수
정재훈
임빈철
이문일
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/522,270 priority Critical patent/US9112552B2/en
Priority to EP11734902.7A priority patent/EP2528244B1/en
Priority to CN201180006914.3A priority patent/CN102714527B/zh
Publication of WO2011090353A2 publication Critical patent/WO2011090353A2/ko
Publication of WO2011090353A3 publication Critical patent/WO2011090353A3/ko
Priority to US14/797,560 priority patent/US9854583B2/en
Priority to US15/808,700 priority patent/US10349419B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/22—Kitchen sifters
    • 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
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0615—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 simultaneous transmission of weighted versions of same signal
    • H04B7/0619—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 simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/16—Inserts
    • A47J36/18—Boilers or utensils with sieves inserted therein, e.g. potato-cookers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/16—Inserts
    • A47J36/20—Perforated bases or perforated containers to be placed inside a cooking utensil ; Draining baskets, inserts with separation wall
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/12—Deep fat fryers, e.g. for frying fish or chips
    • A47J37/1295—Frying baskets or other food holders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • 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
    • 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
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0615—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 simultaneous transmission of weighted versions of same signal
    • H04B7/0665—Feed forward of transmit weights to the receiver

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mechanical Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Computer Security & Cryptography (AREA)

Abstract

본 발명은 무선 통신 시스템에 대한 것으로, 보다 구체적으로는 다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 하향링크 다중입출력(MIMO) 전송을 지원하는 무선 통신 시스템에서 단말이 하향링크 신호를 기지국으로부터 수신하는 방법은, 하향링크 MIMO 전송의 1 개 또는 2 개의 활성화된(enabled) 코드워드가 매핑되는 레이어의 개수(N, 1≤N≤8)를 지시(indication)하는 정보를 포함하는 하향링크 제어정보를 수신하는 단계; 하향링크 제어정보에 기초하여, N 개의 레이어 각각 상에서 전송되는 하향링크 데이터 및 N 개의 레이어 각각에 대한 단말-특정(UE-specific) 참조신호를 수신하는 단계; 및 단말-특정 참조신호에 기초하여 하향링크 데이터를 복조하는 단계를 포함할 수 있으며, 레이어의 개수를 지시하는 정보는, 단말-특정 참조신호를 식별(identify)하는 코드에 대한 정보를 더 포함할 수 있다.
PCT/KR2011/000480 2010-01-22 2011-01-24 다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치 WO2011090353A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US13/522,270 US9112552B2 (en) 2010-01-22 2011-01-24 Method and apparatus for providing downlink control information in an MIMO wireless communication system
EP11734902.7A EP2528244B1 (en) 2010-01-22 2011-01-24 Method and apparatus for providing downlink control information in an mimo wireless communication system
CN201180006914.3A CN102714527B (zh) 2010-01-22 2011-01-24 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
US14/797,560 US9854583B2 (en) 2010-01-22 2015-07-13 Method and apparatus for providing downlink control information in an MIMO wireless communication system
US15/808,700 US10349419B2 (en) 2010-01-22 2017-11-09 Method and apparatus for providing downlink control information in a MIMO wireless communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29743010P 2010-01-22 2010-01-22
US61/297,430 2010-01-22
KR10-2011-0006755 2011-01-24
KR1020110006755A KR101971962B1 (ko) 2010-01-22 2011-01-24 다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/522,270 A-371-Of-International US9112552B2 (en) 2010-01-22 2011-01-24 Method and apparatus for providing downlink control information in an MIMO wireless communication system
US14/797,560 Continuation US9854583B2 (en) 2010-01-22 2015-07-13 Method and apparatus for providing downlink control information in an MIMO wireless communication system

Publications (2)

Publication Number Publication Date
WO2011090353A2 WO2011090353A2 (ko) 2011-07-28
WO2011090353A3 true WO2011090353A3 (ko) 2011-11-10

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PCT/KR2011/000480 WO2011090353A2 (ko) 2010-01-22 2011-01-24 다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치

Country Status (5)

Country Link
US (3) US9112552B2 (ko)
EP (1) EP2528244B1 (ko)
KR (2) KR101971962B1 (ko)
CN (1) CN102714527B (ko)
WO (1) WO2011090353A2 (ko)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8260356B2 (en) 2009-06-18 2012-09-04 Samsung Electronics Co., Ltd. Method and system for indicating method used to scramble dedicated reference signals
JPWO2010146985A1 (ja) * 2009-06-19 2012-12-06 シャープ株式会社 無線通信システム、送信機および無線通信方法
CN101692665B (zh) * 2009-09-28 2012-07-18 中兴通讯股份有限公司 正交频分复用-多输入多输出系统的解调方法及解调器
US9055576B2 (en) * 2009-10-08 2015-06-09 Qualcomm Incorporated Uplink resource allocation for LTE advanced
US8437300B2 (en) * 2009-10-12 2013-05-07 Samsung Electronics Co., Ltd Method and system of multi-layer beamforming
EP2524448B1 (en) * 2010-01-11 2020-03-11 Koninklijke Philips N.V. A method for configuring a transmission mode in a wireless network
KR101971962B1 (ko) * 2010-01-22 2019-08-16 엘지전자 주식회사 다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치
KR101688551B1 (ko) * 2010-02-11 2016-12-22 삼성전자주식회사 무선 통신 시스템에서 사용자에 특정한 ｄｍｒｓ 안테나 포트를 지시하는 방법
CN102088429B (zh) * 2010-02-11 2013-09-18 电信科学技术研究院 一种解调参考符号端口映射的方法及设备
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
JP5501034B2 (ja) * 2010-03-01 2014-05-21 シャープ株式会社 通信システム、送信装置、受信装置
KR101915271B1 (ko) * 2010-03-26 2018-11-06 삼성전자 주식회사 무선 통신 시스템에서 자원 할당을 위한 하향링크 제어 지시 방법 및 장치
CN102859900B (zh) * 2010-04-22 2016-02-03 Lg电子株式会社 用于基站与中继站之间的无线链路的信道估计的方法和设备
CN102237961A (zh) * 2010-05-04 2011-11-09 株式会社Ntt都科摩 一种多输入多输出相关信息传输方法
CN103238368B (zh) 2010-12-03 2017-02-15 交互数字专利控股公司 用于执行多无线电接入技术载波聚合的方法、装置和系统
CA2822505C (en) * 2010-12-22 2018-01-23 Nokia Siemens Networks Oy Allocation of resources
DK2919545T3 (en) 2011-02-11 2016-12-05 Interdigital Patent Holdings Inc Device and method for an improved control channel (E-PDCCH).
EP2677679B1 (en) * 2011-02-14 2019-12-11 ZTE Corporation Method and system for precoding open loop spatial multiplexing and precoding indication method
SG2014012181A (en) * 2011-08-12 2014-05-29 Interdigital Patent Holdings Method and apparatus for multiple-input multiple-output operation
US8867502B2 (en) * 2011-08-15 2014-10-21 Qualcomm Incorporated Method and apparatus for application of precoder information at the UE in closed loop transmit diversity
CN102299769B (zh) * 2011-09-01 2014-06-25 电信科学技术研究院 一种下行控制信息传输方法及装置
US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
US9350510B2 (en) 2011-09-28 2016-05-24 Lg Electronics Inc. Method and apparatus for acquiring control information in a wireless communication system
WO2013048401A1 (en) * 2011-09-29 2013-04-04 Intel Corporation Higher order mu-mimo for lte-a
WO2013062205A1 (ko) * 2011-10-27 2013-05-02 엘지전자 주식회사 무선 통신 시스템에서 기지국이 제어 채널을 위한 단말 특정 참조 신호를 송신하는 방법 및 이를 위한 장치
WO2013066122A1 (ko) * 2011-11-04 2013-05-10 엘지전자 주식회사 무선 통신 시스템에서 단말의 제어 채널 검색 방법 및 장치
US9723496B2 (en) * 2011-11-04 2017-08-01 Qualcomm Incorporated Method and apparatus for interference cancellation by a user equipment using blind detection
ES2609357T3 (es) * 2011-12-16 2017-04-19 Lg Electronics Inc. Procedimiento y aparato para la correlación de recursos de canal físico en un sistema de múltiples células
US8885569B2 (en) 2011-12-19 2014-11-11 Ofinno Technologies, Llc Beamforming signaling in a wireless network
KR102524731B1 (ko) * 2012-01-27 2023-04-21 인터디지탈 패튼 홀딩스, 인크 다중 캐리어 기반형 및/또는 의사 조합형 네트워크에서 epdcch를 제공하는 시스템 및/또는 방법
KR102063078B1 (ko) 2012-02-11 2020-01-07 엘지전자 주식회사 다중 셀 기반 무선 통신 시스템에서 하향링크 데이터 채널 수신 방법 및 이를 위한 장치
JP5902835B2 (ja) * 2012-02-11 2016-04-13 エルジー エレクトロニクス インコーポレイティド 多元セルベースの無線通信システムにおける下りリンクデータチャネル受信方法及びそのための装置
EP2639994B1 (en) * 2012-03-12 2019-08-14 Samsung Electronics Co., Ltd Method and apparatus for transmitting/receiving control channel in wireless communication system
US9295058B2 (en) 2012-04-03 2016-03-22 Lg Electronics Inc. Method and apparatus for transmitting data
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
US9300502B2 (en) * 2012-04-06 2016-03-29 Lg Electronics Inc. Method and device for performing coordinated precoding in wireless access system
CN103378962B (zh) * 2012-04-12 2017-03-29 电信科学技术研究院 一种drs的传输方法及装置
KR102098055B1 (ko) * 2012-04-30 2020-04-07 삼성전자 주식회사 무선 통신 시스템의 제어 채널 송수신 방법 및 장치
US9397738B2 (en) * 2012-05-17 2016-07-19 Qualcomm Incorporated Codebook and feedback design for high order MIMO
KR101925764B1 (ko) 2012-08-23 2018-12-05 인터디지탈 패튼 홀딩스, 인크 무선 시스템에서의 다중 스케줄러들을 이용한 동작
CN103716132B (zh) * 2012-09-28 2018-08-17 中兴通讯股份有限公司 一种下行控制信息的处理装置及方法
US9264206B2 (en) * 2012-10-30 2016-02-16 Lg Electronics Inc. Signal transmission and reception method using random beamforming in wireless communication system and apparatus therefor
WO2014098523A1 (en) * 2012-12-21 2014-06-26 Samsung Electronics Co., Ltd. Methods and apparatus for identification of small cells
JP2014131201A (ja) * 2012-12-28 2014-07-10 Ntt Docomo Inc 無線基地局、ユーザ端末、無線通信方法、及び無線通信システム
EP2757731B1 (en) * 2013-01-21 2015-02-18 Fujitsu Limited MIMO Wireless Communication System
US9521637B2 (en) 2013-02-14 2016-12-13 Blackberry Limited Small cell demodulation reference signal and initial synchronization
US8964705B2 (en) * 2013-02-14 2015-02-24 Blackberry Limited For small cell demodulation reference signal and initial synchronization
WO2014137186A1 (ko) * 2013-03-07 2014-09-12 엘지전자 주식회사 무선 통신 시스템에서 신호 송수신 방법 및 장치
US10230513B2 (en) 2013-03-12 2019-03-12 Samsung Electronics Co., Ltd. Method and apparatus for transmitting/receiving control channel in wireless communication system
US9755800B2 (en) * 2013-03-19 2017-09-05 Lg Electronics Inc. Method and device for canceling interference and receiving data in wireless communication system
US20150304997A1 (en) * 2013-03-26 2015-10-22 Lg Electronics Inc. Method for transmitting and receiving signal in multiple cell-based wireless communication system, and apparatus for same
US9537631B2 (en) 2013-03-27 2017-01-03 Lg Electronics Inc. Method for setting reference signal in multi-cell based wireless communication system and apparatus therefor
US9160515B2 (en) * 2013-04-04 2015-10-13 Intel IP Corporation User equipment and methods for handover enhancement using scaled time-to-trigger and time-of-stay
US9420576B2 (en) * 2013-04-23 2016-08-16 Qualcomm Incorporated PDSCH transmission schemes with compact downlink control information (DCI) format in new carrier type (NCT) in LTE
US9497682B2 (en) 2013-06-07 2016-11-15 Intel Corporation Central processing unit and methods for supporting coordinated multipoint transmission in an LTE network
US9596014B2 (en) * 2014-01-28 2017-03-14 Lg Electronics Inc. Method and apparatus for cancelling interference
CA2943831C (en) 2014-07-16 2020-06-30 Lg Electronics Inc. Method and device for estimating channel in wireless communication system
US10555314B2 (en) * 2014-10-07 2020-02-04 Hfi Innovation Inc. Signaling of network-assisted intra-cell interference cancellation and suppression
WO2016127309A1 (en) * 2015-02-10 2016-08-18 Qualcomm Incorporated Dmrs enhancement for higher order mu-mimo
US10244444B2 (en) * 2015-03-04 2019-03-26 Qualcomm Incorporated Dual link handover
CN107408969B (zh) * 2015-03-12 2021-05-07 华为技术有限公司 一种天线模式选择方法、装置及系统
CN108370570A (zh) * 2015-12-04 2018-08-03 瑞典爱立信有限公司 通信设备中利于传递下行链路控制信息的方法
WO2017096558A1 (en) * 2015-12-09 2017-06-15 Qualcomm Incorporated Flexible resource mapping and mcs determination
CN106973437B (zh) 2016-01-13 2021-10-01 华为技术有限公司 一种参考信号的配置方法及设备
KR101993896B1 (ko) 2016-06-09 2019-06-27 엘지전자 주식회사 무선 통신 시스템에서 위상 잡음 보상 참조 신호를 송수신하기 위한 방법 및 이를 위한 장치
CN107733592B (zh) * 2016-08-10 2020-11-27 华为技术有限公司 传输方案指示方法、数据传输方法、装置及系统
KR102572619B1 (ko) * 2016-08-23 2023-08-30 삼성전자 주식회사 다수의 배열 안테나를 사용하는 이동통신 시스템에서 상향링크 전송을 위한 프리코딩 정보 시그날링 방법 및 장치
KR20190049800A (ko) * 2016-09-27 2019-05-09 엘지전자 주식회사 무선 통신 시스템에서 단말의 동작 방법 및 이를 지원하는 장치
WO2018084405A1 (ko) * 2016-11-03 2018-05-11 엘지전자 주식회사 무선 통신 시스템에서 개루프 다중 안테나 전송을 위한 참조 신호 설정 방법 및 이를 위한 장치
US10931413B2 (en) * 2016-12-07 2021-02-23 Mitsubishi Electric Corporation Transmission device, communication system, and transmission method that configure positions of reference signals in frequency and time domains for each of a plurality of layers
US10608800B2 (en) * 2017-01-09 2020-03-31 Lg Electronics Inc. Method for transmitting reference signal and device therefor in wireless communication system
JPWO2018142506A1 (ja) * 2017-02-01 2019-02-07 三菱電機株式会社 送信装置、受信装置、基地局、端末および送信方法
KR102539594B1 (ko) * 2017-03-15 2023-06-05 삼성전자주식회사 네트워크 협력통신을 위한 하향링크 컨트롤 정보 설정 방법
US10856280B2 (en) 2017-03-15 2020-12-01 Samsung Electronics Co., Ltd. Method and apparatus for downlink control information design for network coordination
US10171144B2 (en) 2017-03-24 2019-01-01 At&T Intellectual Property I, L.P. Low complexity high performance single codeword MIMO for 5G wireless communication systems
RU2725704C1 (ru) * 2017-03-25 2020-07-03 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ приема ptrs для подавления фазового шума в системе беспроводной связи и устройство для него
JP7023970B2 (ja) 2017-03-31 2022-02-22 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けるアップリンクデータ転送方法及びそのための装置
US20200067651A1 (en) * 2017-05-02 2020-02-27 Ntt Docomo, Inc. User terminal and radio communication method
WO2018231001A1 (ko) 2017-06-15 2018-12-20 엘지전자(주) 무선 통신 시스템에서 협력 전송 수행 방법 및 이를 위한 장치
EP3614576B1 (en) * 2017-06-26 2022-03-02 Huawei Technologies Co., Ltd. Rank indication reporting method and device, and indication method and device
CN109120313B (zh) 2017-06-26 2023-11-10 华为技术有限公司 一种秩指示上报方法和装置、指示方法和装置
CN109392152B (zh) 2017-08-11 2023-06-09 华为技术有限公司 通信方法和通信装置
CN108809609B (zh) * 2017-08-11 2019-07-09 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
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
JP6889278B2 (ja) 2017-09-28 2021-06-18 エルジー エレクトロニクス インコーポレイティド 下りリンクデータを送受信する方法及びそのための装置
WO2019061326A1 (zh) * 2017-09-29 2019-04-04 富士通株式会社 天线端口及数据层数的指示方法、装置以及通信系统
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
CN109936401A (zh) * 2017-12-15 2019-06-25 索尼公司 电子装置、无线通信方法以及计算机可读介质
WO2019140669A1 (zh) * 2018-01-19 2019-07-25 华为技术有限公司 发送和接收信息的方法、发送装置和接收装置
CN113316256A (zh) * 2018-02-01 2021-08-27 上海朗帛通信技术有限公司 一种基站、用户设备中的用于无线通信的方法和装置
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
US10778293B2 (en) 2018-02-16 2020-09-15 Nokia Technologies Oy Methods and apparatuses for dynamic transmit diversity fallback
GB2572390B (en) * 2018-03-28 2021-03-10 Samsung Electronics Co Ltd Reference signal power boosting in a telecommunication system
CN110391884B (zh) * 2018-04-19 2022-03-25 中兴通讯股份有限公司 一种sdma资源复用的方法、设备及存储介质
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
CN110505695A (zh) * 2018-05-18 2019-11-26 维沃移动通信有限公司 上行数据传输指示方法、终端和网络侧设备
US20210211247A1 (en) * 2018-05-22 2021-07-08 Ntt Docomo, Inc. Precoding method, decoding method, transmitting device and receiving device
US11569954B2 (en) * 2018-06-14 2023-01-31 Apple Inc. Demodulation reference signal and phase-tracking reference signal port indication
US11722274B2 (en) 2018-07-11 2023-08-08 Beijing Xiaomi Mobile Software Co., Ltd. Method for transmitting reference signal, method for receiving reference signal, base station, and user equipment
US11309992B2 (en) * 2018-07-17 2022-04-19 Qualcomm Incorporated Using lattice reduction for reduced decoder complexity
WO2020034100A1 (en) * 2018-08-14 2020-02-20 Qualcomm Incorporated Interference layer categorization and non zero power interference measurement resource for non linear precoding
WO2020070898A1 (ja) * 2018-10-05 2020-04-09 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
CN111385002A (zh) * 2018-12-29 2020-07-07 中兴通讯股份有限公司 一种空分复用方法及系统
KR20200099470A (ko) * 2019-02-14 2020-08-24 삼성전자주식회사 무선 통신 시스템에서 기준신호 설정 방법 및 장치
CN110535606A (zh) * 2019-07-19 2019-12-03 中兴通讯股份有限公司 层信息的反馈方法、接收方法、装置、通信节点及介质
CN113632406B (zh) * 2019-09-26 2023-07-25 Oppo广东移动通信有限公司 数据传输方式的确定方法、装置、设备及存储介质
US11743004B2 (en) * 2019-11-15 2023-08-29 Qualcomm Incorporated Extended demodulation reference signal scrambling identifier for demodulation reference signal communication
US11277735B1 (en) 2020-09-08 2022-03-15 T-Mobile Innovations Llc Multiple input multiple output (MIMO) layer control for wireless user equipment

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100754795B1 (ko) 2004-06-18 2007-09-03 삼성전자주식회사 직교주파수분할다중 시스템에서 주파수 공간 블록 부호의부호화/복호화 장치 및 방법
JP4589711B2 (ja) * 2004-12-14 2010-12-01 富士通株式会社 無線通信システム及び無線通信装置
US7917176B2 (en) * 2006-02-14 2011-03-29 Nec Laboratories America, Inc. Structured codebook and successive beamforming for multiple-antenna systems
PT2026518E (pt) 2006-01-20 2016-02-23 Qualcomm Inc Método e aparelho para a multiplexagem de pilotos num sistema de comunicação sem fios
US20150030058A9 (en) * 2006-05-17 2015-01-29 Texas Instruments Inc. Cqi feedback for mimo deployments
TWI343200B (en) * 2006-05-26 2011-06-01 Lg Electronics Inc Method and apparatus for signal generation using phase-shift based pre-coding
WO2008041098A2 (en) * 2006-10-02 2008-04-10 Nokia Corporation Apparatus, method and computer program product providing hybrid arq feedback for hsdpa mimo
US7916621B2 (en) * 2007-02-05 2011-03-29 Samsung Electronics Co., Ltd. MIMO control signaling in a wireless communication system
US8351530B2 (en) * 2007-02-16 2013-01-08 Interdigital Technology Corporation Method and apparatus for transmitting control signaling for MIMO transmission
KR101382894B1 (ko) * 2007-03-12 2014-04-08 엘지전자 주식회사 다중 안테나 시스템에서의 제어정보 전송방법
KR101405974B1 (ko) * 2007-08-16 2014-06-27 엘지전자 주식회사 다중입력 다중출력 시스템에서 코드워드를 전송하는 방법
KR101520667B1 (ko) * 2007-09-10 2015-05-18 엘지전자 주식회사 다중 안테나 시스템에서의 파일럿 부반송파 할당 방법
CN101388699A (zh) * 2007-09-12 2009-03-18 夏普株式会社 基于空时频域的信息反馈方法和系统、用户设备及基站
CN101605375B (zh) 2008-06-11 2011-02-09 大唐移动通信设备有限公司 一种下行控制信道上的信令发送方法
KR101481584B1 (ko) * 2008-06-24 2015-01-13 엘지전자 주식회사 전송 블록-코드워드 매핑 관계 규정 방법 및 이를 이용한 하향링크 신호 전송 방법
CN101615937B (zh) 2008-06-27 2013-08-07 中兴通讯股份有限公司 一种多天线发射方法及多天线发射装置
KR101625861B1 (ko) * 2008-07-22 2016-06-01 엘지전자 주식회사 상향링크 전송 시, 다중 코드워드 기반 단일 사용자 ｍｉｍｏ가 사용되는 시스템에 있어서, ｐｈｉｃｈ 할당 및 참조 신호 생성 방법
US8218663B2 (en) * 2008-07-29 2012-07-10 Texas Instruments Incorporated Reference signal resource allocation for single user MIMO
US8245092B2 (en) * 2008-11-03 2012-08-14 Apple Inc. Method for efficient control signaling of two codeword to one codeword transmission
US8797950B2 (en) * 2009-05-27 2014-08-05 Texas Instruments Incorporated Dual-layer beam forming in cellular networks
US9319252B2 (en) * 2009-10-06 2016-04-19 Pantech Co., Ltd. Precoding and feedback channel information in wireless communication system
WO2011052833A1 (en) * 2009-11-02 2011-05-05 Pantech & Co., Ltd. Method and transmitter for transmitting for transmitting signal and receiver thereof in wireless communication system
KR101971962B1 (ko) * 2010-01-22 2019-08-16 엘지전자 주식회사 다중입출력 무선 통신 시스템에서 하향링크 제어정보를 제공하는 방법 및 장치

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
A. GHOSH ET AL.: "Multi-antenna systems for LTE eNodeB", 2009 IEEE 70TH VEHICULAR TECHNOLOGY CONFERENCE FALL (VTC 2009-FALL), 23 September 2009 (2009-09-23), pages 1 - 4, XP031600048 *
J. LEE ET AL.: "MIMO Technologies in 3GPP LTE and LTE-Advanced", EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING, vol. 2009, 31 December 2009 (2009-12-31), pages 1 - 10, XP003027974 *
M. TANNO ET AL.: "Evolved UTRA - Physical layer overview", 2007 IEEE 8TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC 2007), 20 June 2007 (2007-06-20), pages 1 - 8, XP031189507 *

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