DK3455992T3 - Mekanismer til CSI-RS med reduceret densitet - Google Patents

Mekanismer til CSI-RS med reduceret densitet Download PDF

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Publication number
DK3455992T3
DK3455992T3 DK17727745.6T DK17727745T DK3455992T3 DK 3455992 T3 DK3455992 T3 DK 3455992T3 DK 17727745 T DK17727745 T DK 17727745T DK 3455992 T3 DK3455992 T3 DK 3455992T3
Authority
DK
Denmark
Prior art keywords
csi
mechanisms
reduced density
density
reduced
Prior art date
Application number
DK17727745.6T
Other languages
English (en)
Inventor
Siva Muruganathan
Robert Mark Harrison
Mattias Frenne
Stephen Grant
Shiwei Gao
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK3455992T3 publication Critical patent/DK3455992T3/da

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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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • 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
    • 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
    • H04L5/003—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
    • H04L5/0091—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)
  • Apparatus For Radiation Diagnosis (AREA)
  • Vibration Prevention Devices (AREA)
DK17727745.6T 2016-05-13 2017-05-15 Mekanismer til CSI-RS med reduceret densitet DK3455992T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662335989P 2016-05-13 2016-05-13
PCT/SE2017/050502 WO2017196253A1 (en) 2016-05-13 2017-05-15 Mechanisms for reduced density csi-rs

Publications (1)

Publication Number Publication Date
DK3455992T3 true DK3455992T3 (da) 2022-05-02

Family

ID=58995204

Family Applications (1)

Application Number Title Priority Date Filing Date
DK17727745.6T DK3455992T3 (da) 2016-05-13 2017-05-15 Mekanismer til CSI-RS med reduceret densitet

Country Status (12)

Country Link
US (4) US10833747B2 (da)
EP (1) EP3455992B1 (da)
JP (2) JP6987788B2 (da)
KR (1) KR102402529B1 (da)
CN (2) CN117176221A (da)
CL (1) CL2018003222A1 (da)
DK (1) DK3455992T3 (da)
ES (1) ES2918008T3 (da)
MY (1) MY195171A (da)
PL (1) PL3455992T3 (da)
RU (2) RU2739498C2 (da)
WO (1) WO2017196253A1 (da)

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Also Published As

Publication number Publication date
US20250023612A1 (en) 2025-01-16
JP2022043084A (ja) 2022-03-15
US20230283345A1 (en) 2023-09-07
MY195171A (en) 2023-01-11
US12088381B2 (en) 2024-09-10
WO2017196253A1 (en) 2017-11-16
RU2020141967A (ru) 2020-12-28
US20190372641A1 (en) 2019-12-05
US11683079B2 (en) 2023-06-20
KR102402529B1 (ko) 2022-05-27
EP3455992A1 (en) 2019-03-20
RU2018144016A (ru) 2020-06-15
US10833747B2 (en) 2020-11-10
RU2018144016A3 (da) 2020-06-25
PL3455992T3 (pl) 2022-09-19
JP6987788B2 (ja) 2022-01-05
EP3455992B1 (en) 2022-04-13
CL2018003222A1 (es) 2019-02-01
US20200389219A1 (en) 2020-12-10
ES2918008T3 (es) 2022-07-13
RU2020141967A3 (da) 2021-10-28
JP2019522396A (ja) 2019-08-08
KR20190005999A (ko) 2019-01-16
JP7250893B2 (ja) 2023-04-03
BR112018073443A2 (pt) 2019-03-26
RU2739498C2 (ru) 2020-12-24
CN109417462A (zh) 2019-03-01
CN117176221A (zh) 2023-12-05
RU2761248C2 (ru) 2021-12-06

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