PL3455992T3 - Mechanizmy zmniejszonej gęstości CSI-RS - Google Patents

Mechanizmy zmniejszonej gęstości CSI-RS

Info

Publication number
PL3455992T3
PL3455992T3 PL17727745.6T PL17727745T PL3455992T3 PL 3455992 T3 PL3455992 T3 PL 3455992T3 PL 17727745 T PL17727745 T PL 17727745T PL 3455992 T3 PL3455992 T3 PL 3455992T3
Authority
PL
Poland
Prior art keywords
mechanisms
reduced density
density csi
csi
reduced
Prior art date
Application number
PL17727745.6T
Other languages
English (en)
Inventor
Siva Muruganathan
Shiwei Gao
Robert Mark Harrison
Mattias Frenne
Stephen Grant
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of PL3455992T3 publication Critical patent/PL3455992T3/pl

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
    • 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
    • H04L5/003—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)
  • Vibration Prevention Devices (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
PL17727745.6T 2016-05-13 2017-05-15 Mechanizmy zmniejszonej gęstości CSI-RS PL3455992T3 (pl)

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
PL3455992T3 true PL3455992T3 (pl) 2022-09-19

Family

ID=58995204

Family Applications (1)

Application Number Title Priority Date Filing Date
PL17727745.6T PL3455992T3 (pl) 2016-05-13 2017-05-15 Mechanizmy zmniejszonej gęstości CSI-RS

Country Status (12)

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

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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
CN115413402A (zh) * 2020-03-06 2022-11-29 诺基亚技术有限公司 改进预编码
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CN116250195A (zh) * 2020-09-29 2023-06-09 华为技术有限公司 干扰上报的方法与装置
US20240048325A1 (en) * 2020-11-06 2024-02-08 Qualcomm Incorporated Methods for csi-rs resource aggregation
US12500639B2 (en) 2021-01-15 2025-12-16 Apple Inc. CSI-RS enhancement for port selection codebook with channel reciprocity
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Also Published As

Publication number Publication date
US20230283345A1 (en) 2023-09-07
RU2761248C2 (ru) 2021-12-06
EP3455992B1 (en) 2022-04-13
CN109417462A (zh) 2019-03-01
DK3455992T3 (da) 2022-05-02
JP2022043084A (ja) 2022-03-15
ES2918008T3 (es) 2022-07-13
US20200389219A1 (en) 2020-12-10
JP6987788B2 (ja) 2022-01-05
RU2018144016A3 (pl) 2020-06-25
RU2020141967A3 (pl) 2021-10-28
RU2739498C2 (ru) 2020-12-24
JP2019522396A (ja) 2019-08-08
BR112018073443A2 (pt) 2019-03-26
RU2018144016A (ru) 2020-06-15
CL2018003222A1 (es) 2019-02-01
WO2017196253A1 (en) 2017-11-16
RU2020141967A (ru) 2020-12-28
KR102402529B1 (ko) 2022-05-27
KR20190005999A (ko) 2019-01-16
US12088381B2 (en) 2024-09-10
JP7250893B2 (ja) 2023-04-03
US20190372641A1 (en) 2019-12-05
EP3455992A1 (en) 2019-03-20
US11683079B2 (en) 2023-06-20
MY195171A (en) 2023-01-11
CN117176221A (zh) 2023-12-05
US10833747B2 (en) 2020-11-10
US20250023612A1 (en) 2025-01-16

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