BR112019000350A2 - indexação de porta para csi-rs com número maior de portas de antena para efd-mimo - Google Patents

indexação de porta para csi-rs com número maior de portas de antena para efd-mimo

Info

Publication number
BR112019000350A2
BR112019000350A2 BR112019000350-9A BR112019000350A BR112019000350A2 BR 112019000350 A2 BR112019000350 A2 BR 112019000350A2 BR 112019000350 A BR112019000350 A BR 112019000350A BR 112019000350 A2 BR112019000350 A2 BR 112019000350A2
Authority
BR
Brazil
Prior art keywords
csi
efd
mimo
antenna ports
larger antenna
Prior art date
Application number
BR112019000350-9A
Other languages
English (en)
Inventor
Wei Chao
Chen Wanshi
Gaal Peter
Chen Bo
Original Assignee
Qualcomm Incorporated
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 Incorporated filed Critical Qualcomm Incorporated
Publication of BR112019000350A2 publication Critical patent/BR112019000350A2/pt

Links

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
    • H04B7/06—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
    • H04B7/0456—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
    • H04B7/0413—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
    • H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping into account
    • 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
    • H04L5/003—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
    • 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
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

mapeamento com recursos csi-rs com um comprimento de multiplexação por divisão de código (cdm) de oito. tal mapeamento permite configurar flexivelmente o conjunto de elementos de recurso (res) para mapeamento com base nos recursos de csi-rs disponíveis.
BR112019000350-9A 2016-07-15 2017-06-22 indexação de porta para csi-rs com número maior de portas de antena para efd-mimo BR112019000350A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNPCT/CN2016/090126 2016-07-15
PCT/CN2016/090126 WO2018010162A1 (en) 2016-07-15 2016-07-15 Port indexing for csi-rs with larger number of antenna ports for efd-mimo
PCT/CN2017/089538 WO2018010532A1 (en) 2016-07-15 2017-06-22 Port indexing for csi-rs with larger number of antenna ports for efd-mimo

Publications (1)

Publication Number Publication Date
BR112019000350A2 true BR112019000350A2 (pt) 2019-04-16

Family

ID=60952751

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019000350-9A BR112019000350A2 (pt) 2016-07-15 2017-06-22 indexação de porta para csi-rs com número maior de portas de antena para efd-mimo

Country Status (7)

Country Link
US (1) US11075679B2 (pt)
EP (1) EP3485586A4 (pt)
CN (1) CN109478926B (pt)
AU (1) AU2017295643B2 (pt)
BR (1) BR112019000350A2 (pt)
CA (1) CA3026594A1 (pt)
WO (2) WO2018010162A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10707939B2 (en) * 2017-10-03 2020-07-07 Mediatek Inc. Codebook-based uplink transmission in wireless communications
CN110035518B (zh) * 2018-01-12 2022-05-24 华为技术有限公司 一种通信方法及装置
US11088745B2 (en) * 2019-08-16 2021-08-10 At&T Intellectual Property I, L.P. Determining channel state information in 5G or other next generation wireless communication systems with multiple transmission points
US11469503B2 (en) * 2020-02-28 2022-10-11 T-Mobile Usa, Inc. Self-optimizing wide band array antennas

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5723365B2 (ja) * 2009-08-14 2015-05-27 エルジー エレクトロニクス インコーポレイティド 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置
CA2775479C (en) 2009-09-27 2017-02-28 Lg Electronics Inc. Method and apparatus for transmitting reference signal in wireless communication system
KR101241916B1 (ko) * 2010-02-07 2013-03-11 엘지전자 주식회사 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치
WO2011096646A2 (en) 2010-02-07 2011-08-11 Lg Electronics Inc. Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas
US8654734B2 (en) * 2010-06-01 2014-02-18 Texas Instruments Incorporated Multi-cell channel state information-reference symbol patterns for long term evolution extended cyclic prefix and code division multiplexing-time multiplexing
CN102594516A (zh) * 2011-01-07 2012-07-18 中兴通讯股份有限公司 一种信道状态信息参考信号的处理方法和系统
EP2890177B1 (en) 2012-08-21 2019-10-02 LG Electronics Inc. Transmission of channel state information in wireless communication system
WO2014046516A1 (en) * 2012-09-24 2014-03-27 Lg Electronics Inc. Method and apparatus for transmitting or receiving reference signal in wireless communication system
US9814030B2 (en) * 2012-09-27 2017-11-07 Lg Electronics Inc. Method and apparatus for transmitting or receiving reference signal in wireless communication system
CN104704750B (zh) * 2012-10-04 2018-01-05 Lg电子株式会社 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
US20160094326A1 (en) * 2014-09-26 2016-03-31 Electronics And Telecommunications Research Institute Method and apparatus for transmitting channel state information reference signal
US10476563B2 (en) * 2014-11-06 2019-11-12 Futurewei Technologies, Inc. System and method for beam-formed channel state reference signals
CN106664192B (zh) * 2015-01-30 2020-12-01 韩国电子通信研究院 用于配置csi-rs天线端口的端口编号的方法和设备
AU2016241468B2 (en) * 2015-03-27 2020-01-30 Samsung Electronics Co., Ltd. Resource allocation device and method in large-scale antenna system
JP2018533865A (ja) * 2015-11-05 2018-11-15 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） Ｃｓｉ報告のためのｃｓｉ−ｒｓポート選択のための方法及びシステム

Also Published As

Publication number Publication date
EP3485586A4 (en) 2020-01-22
AU2017295643A1 (en) 2018-12-20
AU2017295643B2 (en) 2022-02-03
CN109478926B (zh) 2022-05-03
US20200328792A1 (en) 2020-10-15
US11075679B2 (en) 2021-07-27
WO2018010162A1 (en) 2018-01-18
EP3485586A1 (en) 2019-05-22
WO2018010532A1 (en) 2018-01-18
CA3026594A1 (en) 2018-01-18
CN109478926A (zh) 2019-03-15

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Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]