JP6987788B2 - 低減密度ｃｓｉ−ｒｓのための機構 - Google Patents

低減密度ｃｓｉ−ｒｓのための機構 Download PDF

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JP6987788B2
JP6987788B2 JP2018560007A JP2018560007A JP6987788B2 JP 6987788 B2 JP6987788 B2 JP 6987788B2 JP 2018560007 A JP2018560007 A JP 2018560007A JP 2018560007 A JP2018560007 A JP 2018560007A JP 6987788 B2 JP6987788 B2 JP 6987788B2
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csi
wireless device
subset
prb
measure
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JP2019522396A5 (https=
JP2019522396A (ja
Inventor
シヴァ ムルガナタン，
シウェイ ガオ，
ロバート マーク ハリソン，
マティス フレンヌ，
ステファン グラント，
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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）
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    • 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

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  • 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)
JP2018560007A 2016-05-13 2017-05-15 低減密度ｃｓｉ−ｒｓのための機構 Active JP6987788B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021195090A JP7250893B2 (ja) 2016-05-13 2021-12-01 低減密度ｃｓｉ－ｒｓのための機構

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662335989P 2016-05-13 2016-05-13
US62/335,989 2016-05-13
PCT/SE2017/050502 WO2017196253A1 (en) 2016-05-13 2017-05-15 Mechanisms for reduced density csi-rs

Related Child Applications (1)

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JP2021195090A Division JP7250893B2 (ja) 2016-05-13 2021-12-01 低減密度ｃｓｉ－ｒｓのための機構

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JP2019522396A JP2019522396A (ja) 2019-08-08
JP2019522396A5 JP2019522396A5 (https=) 2020-05-28
JP6987788B2 true JP6987788B2 (ja) 2022-01-05

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JP2021195090A Active JP7250893B2 (ja) 2016-05-13 2021-12-01 低減密度ｃｓｉ－ｒｓのための機構

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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
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
CN117176221A (zh) 2023-12-05
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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