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
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CN
China
Prior art keywords
csi
wireless device
prb
prbs
subset
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
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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

    • 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
    • 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
    • H04B7/06—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
    • H04B7/0617—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 for beam forming
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H04W72/0446—Resources 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)
  • Vibration Prevention Devices (AREA)
  • Apparatus For Radiation Diagnosis (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
CN201780043243.5A CN109417462A (zh) 2016-05-13 2017-05-15 用于降低密度csi-rs的机制
PCT/SE2017/050502 WO2017196253A1 (en) 2016-05-13 2017-05-15 Mechanisms for reduced density csi-rs

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

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

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Also Published As

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

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