KR102223077B1 - 향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들 - Google Patents

향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들 Download PDF

Info

Publication number
KR102223077B1
KR102223077B1 KR1020157027731A KR20157027731A KR102223077B1 KR 102223077 B1 KR102223077 B1 KR 102223077B1 KR 1020157027731 A KR1020157027731 A KR 1020157027731A KR 20157027731 A KR20157027731 A KR 20157027731A KR 102223077 B1 KR102223077 B1 KR 102223077B1
Authority
KR
South Korea
Prior art keywords
codebook
csi
base station
wireless communication
communication device
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
KR1020157027731A
Other languages
English (en)
Korean (ko)
Other versions
KR20150128844A (ko
Inventor
슈테판 가이르호퍼
피터 가알
완시 첸
하오 수
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Priority to KR1020217005896A priority Critical patent/KR102306700B1/ko
Publication of KR20150128844A publication Critical patent/KR20150128844A/ko
Application granted granted Critical
Publication of KR102223077B1 publication Critical patent/KR102223077B1/ko
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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H04B7/0481—Special codebook structures directed to feedback optimisation using subset selection of codebooks
    • 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
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/0647—Variable feedback rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020157027731A 2013-03-08 2014-03-07 향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들 Active KR102223077B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020217005896A KR102306700B1 (ko) 2013-03-08 2014-03-07 향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201361775016P 2013-03-08 2013-03-08
US61/775,016 2013-03-08
US201361821867P 2013-05-10 2013-05-10
US61/821,867 2013-05-10
US201361832310P 2013-06-07 2013-06-07
US61/832,310 2013-06-07
US14/199,743 2014-03-06
US14/199,743 US9698887B2 (en) 2013-03-08 2014-03-06 Systems and methods for enhanced MIMO operation
PCT/US2014/021911 WO2014138625A1 (en) 2013-03-08 2014-03-07 Systems and methods for enhanced mimo operation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020217005896A Division KR102306700B1 (ko) 2013-03-08 2014-03-07 향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들

Publications (2)

Publication Number Publication Date
KR20150128844A KR20150128844A (ko) 2015-11-18
KR102223077B1 true KR102223077B1 (ko) 2021-03-03

Family

ID=51487793

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020157027731A Active KR102223077B1 (ko) 2013-03-08 2014-03-07 향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들
KR1020217005896A Active KR102306700B1 (ko) 2013-03-08 2014-03-07 향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020217005896A Active KR102306700B1 (ko) 2013-03-08 2014-03-07 향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들

Country Status (6)

Country Link
US (2) US9698887B2 (https=)
EP (2) EP2965445A1 (https=)
JP (1) JP6599239B2 (https=)
KR (2) KR102223077B1 (https=)
CN (2) CN105027463A (https=)
WO (1) WO2014138625A1 (https=)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9698887B2 (en) 2013-03-08 2017-07-04 Qualcomm Incorporated Systems and methods for enhanced MIMO operation
CN104184560A (zh) * 2013-05-24 2014-12-03 中兴通讯股份有限公司 信道状态信息反馈方法和终端
CN105144600B (zh) 2013-05-31 2018-11-02 英特尔Ip公司 用于大型天线阵列的混合数字和模拟波束成形
US9344167B2 (en) * 2013-06-06 2016-05-17 Broadcom Corporation Codebook subsampling for multi-antenna transmit precoder codebook
EP3031237B1 (en) * 2013-08-07 2019-06-05 Nec Corporation Generating precoders for joint transmission from multiple transmission points to multiple user equipments in a downlink coordinated multipoint transmission/reception communications system
CN105450343B (zh) * 2014-08-30 2018-11-06 华为技术有限公司 一种预编码的方法、装置及系统
EP3273717A4 (en) 2015-03-16 2018-11-14 NTT DoCoMo, Inc. User device, base station, and communication method
US10110286B2 (en) * 2015-03-30 2018-10-23 Samsung Electronics Co., Ltd. Method and apparatus for codebook design and signaling
US9806871B2 (en) 2015-05-17 2017-10-31 Imagination Technologies Selective sub-carrier processing
KR102341190B1 (ko) * 2015-08-14 2021-12-17 퀄컴 인코포레이티드 고도 빔포밍 및 fd-mimo 를 위한 csi 피드백 시그널링
US10666334B2 (en) * 2015-08-18 2020-05-26 Apple Inc. Beamforming training reference signal design
WO2017048048A1 (ko) * 2015-09-14 2017-03-23 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
US10484060B2 (en) 2015-11-18 2019-11-19 Samsung Electronics Co., Ltd Method and device for transmitting and receiving channel state information in mobile communication system
US9848384B2 (en) * 2016-02-11 2017-12-19 Imagination Technologies Receiver deactivation based on dynamic measurements
CN107196690B (zh) * 2016-03-11 2019-05-21 电信科学技术研究院 一种反馈信息的传输方法和装置
CN107181513B (zh) * 2016-03-11 2021-01-22 电信科学技术研究院 一种信道状态信息的反馈方法及装置
US10056956B2 (en) * 2016-03-24 2018-08-21 Samsung Electronics Co., Ltd. Precoder codebook for CSI reporting in advanced wireless communication systems
DK3920455T3 (da) 2016-05-13 2023-05-15 Ericsson Telefon Ab L M Csi-feedback med multiopløsning
KR102666941B1 (ko) * 2016-06-16 2024-05-17 삼성전자주식회사 채널 상태 정보를 송수신하기 위한 장치 및 방법
US10340989B2 (en) * 2016-12-09 2019-07-02 Samsung Electronics Co., Ltd. Codebook for CSI reporting in advanced wireless communication system
US10873439B2 (en) * 2016-12-16 2020-12-22 Samsung Electronics Co., Ltd. Method and apparatus for multiplexing channel state information
WO2018128442A1 (en) * 2017-01-05 2018-07-12 Samsung Electronics Co., Ltd. Method, apparatus, and system for terminal identification and paging signal transmission for terminal in power saving state
EP3579449A4 (en) * 2017-01-31 2020-06-17 LG Electronics Inc. -1- METHOD FOR REPORTING CHANNEL STATE INFORMATION IN A WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR
JP7256128B2 (ja) 2017-02-06 2023-04-11 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） 小規模な制御チャネルでのｃｓｉ報告
US10079629B2 (en) * 2017-02-17 2018-09-18 Futurewei Technologies, Inc. Apparatus and method for pre-coding data based on channel statistics
JP7575874B2 (ja) 2017-05-05 2024-10-30 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） マルチユーザ複数入力複数出力のための、干渉測定およびチャネル状態情報フィードバック
KR102597120B1 (ko) 2017-06-08 2023-11-01 퀄컴 인코포레이티드 Nr-mimo 에서의 타입 ii csi 피드백에 대한 pmi 피드백
WO2018227577A1 (en) * 2017-06-16 2018-12-20 Zte Corporation Methods and system for evaluating radio channel quality in a multi-beam communication scenario
CN109392119B (zh) 2017-08-10 2020-02-18 维沃移动通信有限公司 空间特性参数集合指示方法、用户侧设备和网络侧设备
US10547368B2 (en) * 2017-08-30 2020-01-28 Samsung Electronics Co., Ltd. Method and apparatus for codebook subset restriction for CSI reporting in advanced wireless communication systems
US10305568B1 (en) * 2017-12-15 2019-05-28 Motorola Mobility Llc Coding main beam information in CSI codebook
EP3709553B1 (en) * 2018-01-07 2022-03-30 LG Electronics Inc. Method for transmitting and receiving phase tracking reference signal between terminal and base station in wireless communication system, and device for supporting same
US10644828B2 (en) * 2018-02-09 2020-05-05 Samsung Electronics Co., Ltd. Method and apparatus for wideband CSI reporting in an advanced wireless communication system
JP2019176428A (ja) * 2018-03-29 2019-10-10 株式会社Ｎｔｔドコモ 基地局、及びユーザ装置
KR102322038B1 (ko) 2018-05-17 2021-11-04 한양대학교 산학협력단 채널상태정보를 전송하는 방법 및 그 장치
CN111082838B (zh) 2018-10-18 2022-04-05 慧与发展有限责任合伙企业 自动选择码本
WO2020113547A1 (en) * 2018-12-07 2020-06-11 Qualcomm Incorporated Codebook subset restriction for frequency domain compression
CN111431570A (zh) 2019-01-09 2020-07-17 苹果公司 对增强ii型信道状态信息报告的码本子集限制
US11695462B2 (en) * 2019-01-29 2023-07-04 Qualcomm Incorporated Techniques for coordinated beamforming in millimeter wave systems
WO2021147078A1 (en) * 2020-01-23 2021-07-29 Qualcomm Incorporated Precoding matrix indicator feedback for multiple transmission hypotheses
CN113364494B (zh) * 2021-05-06 2022-08-16 西安交通大学 一种针对硬件失真的irs辅助miso系统性能优化方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120219042A1 (en) * 2010-04-30 2012-08-30 Texas Instruments Incorporated Transmission Modes and Signaling for Uplink MIMO Support or Single TB Dual-Layer Transmission in LTE Uplink
US20120218948A1 (en) * 2010-09-02 2012-08-30 Texas Instruments Incorporated Downlink 8 Tx Codebook Sub-Sampling for CSI Feedback
US20120314590A1 (en) * 2011-06-10 2012-12-13 Sharp Laboratories Of America, Inc. Enhanced precoding feedback for multiple-user multiple-input and multiple-output (mimo)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69629485T2 (de) * 1995-10-20 2004-06-09 America Online, Inc. Kompressionsystem für sich wiederholende töne
US20110110455A1 (en) * 2009-04-23 2011-05-12 Qualcomm Incorporated Rank and precoding indication for mimo operation
US8867436B2 (en) * 2009-07-31 2014-10-21 Qualcomm Incorporated Support for optional system parameter values
US8625450B2 (en) * 2010-04-05 2014-01-07 Nokia Corporation Channel state information feedback for enhanced downlink multiple input—multiple output operation
CN101826943A (zh) * 2010-04-30 2010-09-08 中兴通讯股份有限公司 基于多码本的下行信道信息反馈方法及装置
CN102237955B (zh) * 2010-05-07 2013-11-06 电信科学技术研究院 一种信道状态信息上报方法及其装置
CN102939775B (zh) * 2010-05-07 2015-07-08 华为技术有限公司 无线通信系统中执行量化的反馈率调整的方法及用户终端
US8494033B2 (en) 2010-06-15 2013-07-23 Telefonaktiebolaget L M Ericsson (Publ) Methods providing precoder feedback using multiple precoder indices and related communications devices and systems
US8891652B2 (en) * 2010-06-24 2014-11-18 Qualcomm Incorporated Structured MIMO codebook
CN101969366B (zh) * 2010-09-26 2012-11-14 华中科技大学 用于8发射天线mimo系统的预编码方法
US8687555B2 (en) * 2010-09-29 2014-04-01 Lg Electronics Inc. Method and apparatus for performing effective feedback in wireless communication system supporting multiple antennas
US8681627B2 (en) * 2010-12-07 2014-03-25 Sharp Kabushiki Kaisha Prioritizing multiple channel state information (CSI) reporting with carrier aggregation
GB2492564B (en) 2011-07-05 2013-12-04 Renesas Mobile Corp Improvements to MIMO communication networks
CN102571301B (zh) * 2011-12-27 2014-07-09 东南大学 一种基于双码本的多用户自适应反馈方法
US8976884B2 (en) * 2012-12-20 2015-03-10 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US9143212B2 (en) * 2013-02-25 2015-09-22 Texas Instruments Incorporated Codebook sub-sampling for CSI feedback on PUCCH for 4Tx MIMO
US9698887B2 (en) 2013-03-08 2017-07-04 Qualcomm Incorporated Systems and methods for enhanced MIMO operation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120219042A1 (en) * 2010-04-30 2012-08-30 Texas Instruments Incorporated Transmission Modes and Signaling for Uplink MIMO Support or Single TB Dual-Layer Transmission in LTE Uplink
US20120218948A1 (en) * 2010-09-02 2012-08-30 Texas Instruments Incorporated Downlink 8 Tx Codebook Sub-Sampling for CSI Feedback
US20120314590A1 (en) * 2011-06-10 2012-12-13 Sharp Laboratories Of America, Inc. Enhanced precoding feedback for multiple-user multiple-input and multiple-output (mimo)

Also Published As

Publication number Publication date
JP6599239B2 (ja) 2019-10-30
CN110460362B (zh) 2022-06-28
WO2014138625A1 (en) 2014-09-12
CN105027463A (zh) 2015-11-04
CN110460362A (zh) 2019-11-15
EP2965445A1 (en) 2016-01-13
US9698887B2 (en) 2017-07-04
KR20210024257A (ko) 2021-03-04
KR102306700B1 (ko) 2021-09-28
US20170279513A1 (en) 2017-09-28
US20140254701A1 (en) 2014-09-11
EP4254818A1 (en) 2023-10-04
JP2016514429A (ja) 2016-05-19
US10284273B2 (en) 2019-05-07
BR112015021698A2 (pt) 2017-07-18
KR20150128844A (ko) 2015-11-18

Similar Documents

Publication Publication Date Title
KR102223077B1 (ko) 향상된 ｍｉｍｏ 동작을 위한 시스템들 및 방법들
EP3267720B1 (en) User equipment and methods for codebook subsampling for enhanced 4tx codebooks
US9001907B2 (en) Multi-rank precoding matrix indicator (PMI) feedback in a multiple-input multiple-output (MIMO) system
US9755708B2 (en) High data rate uplink transmission
EP2583402B1 (en) Method and device for controlling an uplink transmission in a management device of lte-a network
KR102330265B1 (ko) 무선 통신 시스템들에서 채널 상태 정보를 보고를 위한 방법 및 장치
US9264117B2 (en) Rank and PMI in download control signaling for uplink single-user MIMO (UL SU-MIMO)
KR101481583B1 (ko) 하향링크 제어 정보 송수신 방법
EP3322108B1 (en) Methods and arrangements for signaling control information in a communication system
KR101506673B1 (ko) 채널상태 정보 보고방법 및 그의 장치
EP4030635A1 (en) Method and apparatus for channel state information (csi) reporting
KR20220162879A (ko) 채널 상태 정보를 멀티플렉싱하는 방법 및 장치
BR112015021698B1 (pt) Sistemas e métodos para operação de mimo intensificada
HK1244119B (zh) 用於增强型4tx码本的码本子采样的用户设备和方法
HK1218029B (zh) 用於增强型4tx码本的码本子采样的用户设备和方法

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

A107 Divisional application of patent
GRNT Written decision to grant
PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A18-div-PA0104

St.27 status event code: A-0-1-A10-A16-div-PA0104

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

R17-X000 Change to representative recorded

St.27 status event code: A-5-5-R10-R17-oth-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 6