CN117176221A - 用于降低密度csi-rs的机制 - Google Patents

用于降低密度csi-rs的机制 Download PDF

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Publication number
CN117176221A
CN117176221A CN202311113467.2A CN202311113467A CN117176221A CN 117176221 A CN117176221 A CN 117176221A CN 202311113467 A CN202311113467 A CN 202311113467A CN 117176221 A CN117176221 A CN 117176221A
Authority
CN
China
Prior art keywords
csi
prbs
wireless device
subset
measure
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.)
Pending
Application number
CN202311113467.2A
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English (en)
Chinese (zh)
Inventor
S.姆鲁加纳桑
高世伟
R.M.哈里森
M.弗瑞尼
S.格兰特
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.)
Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CN117176221A publication Critical patent/CN117176221A/zh
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0617Diversity 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 for beam forming
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0023Time-frequency-space
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signalling for the administration of the divided path, e.g. signalling of configuration information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Vibration Prevention Devices (AREA)
CN202311113467.2A 2016-05-13 2017-05-15 用于降低密度csi-rs的机制 Pending CN117176221A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662335989P 2016-05-13 2016-05-13
US62/335989 2016-05-13
PCT/SE2017/050502 WO2017196253A1 (en) 2016-05-13 2017-05-15 Mechanisms for reduced density csi-rs
CN201780043243.5A CN109417462A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201780043243.5A Division CN109417462A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制

Publications (1)

Publication Number Publication Date
CN117176221A true CN117176221A (zh) 2023-12-05

Family

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Family Applications (2)

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CN202311113467.2A Pending CN117176221A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制
CN201780043243.5A Pending CN109417462A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制

Family Applications After (1)

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CN201780043243.5A Pending CN109417462A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制

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US (4) US10833747B2 (enExample)
EP (1) EP3455992B1 (enExample)
JP (2) JP6987788B2 (enExample)
KR (1) KR102402529B1 (enExample)
CN (2) CN117176221A (enExample)
BR (1) BR112018073443A2 (enExample)
CL (1) CL2018003222A1 (enExample)
DK (1) DK3455992T3 (enExample)
ES (1) ES2918008T3 (enExample)
MY (1) MY195171A (enExample)
PL (1) PL3455992T3 (enExample)
RU (2) RU2761248C2 (enExample)
WO (1) WO2017196253A1 (enExample)

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WO2021062608A1 (zh) * 2019-09-30 2021-04-08 华为技术有限公司 用于确定信道状态信息参考信号资源映射的方法及装置
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Also Published As

Publication number Publication date
MY195171A (en) 2023-01-11
ES2918008T3 (es) 2022-07-13
EP3455992B1 (en) 2022-04-13
CL2018003222A1 (es) 2019-02-01
US20200389219A1 (en) 2020-12-10
KR20190005999A (ko) 2019-01-16
US20250023612A1 (en) 2025-01-16
US20230283345A1 (en) 2023-09-07
RU2018144016A (ru) 2020-06-15
RU2020141967A3 (enExample) 2021-10-28
US12088381B2 (en) 2024-09-10
RU2018144016A3 (enExample) 2020-06-25
RU2020141967A (ru) 2020-12-28
RU2761248C2 (ru) 2021-12-06
WO2017196253A1 (en) 2017-11-16
JP2022043084A (ja) 2022-03-15
CN109417462A (zh) 2019-03-01
JP6987788B2 (ja) 2022-01-05
EP3455992A1 (en) 2019-03-20
RU2739498C2 (ru) 2020-12-24
JP7250893B2 (ja) 2023-04-03
BR112018073443A2 (pt) 2019-03-26
US20190372641A1 (en) 2019-12-05
US11683079B2 (en) 2023-06-20
US10833747B2 (en) 2020-11-10
KR102402529B1 (ko) 2022-05-27
DK3455992T3 (da) 2022-05-02
JP2019522396A (ja) 2019-08-08
PL3455992T3 (pl) 2022-09-19

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