KR102569183B1 - Dl 및 ul 기준 신호를 이용한 채널 상태 정보(csi) 획득 방법 및 장치 - Google Patents

Dl 및 ul 기준 신호를 이용한 채널 상태 정보(csi) 획득 방법 및 장치 Download PDF

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KR102569183B1
KR102569183B1 KR1020227039997A KR20227039997A KR102569183B1 KR 102569183 B1 KR102569183 B1 KR 102569183B1 KR 1020227039997 A KR1020227039997 A KR 1020227039997A KR 20227039997 A KR20227039997 A KR 20227039997A KR 102569183 B1 KR102569183 B1 KR 102569183B1
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csi
srs
resource
information
base station
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KR20220159475A (ko
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에코 옹고사누시
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삼성전자 주식회사
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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
    • 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
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0092—Indication of how the channel is divided
    • 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
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020227039997A 2017-03-28 2018-03-23 Dl 및 ul 기준 신호를 이용한 채널 상태 정보(csi) 획득 방법 및 장치 Active KR102569183B1 (ko)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US201762477758P 2017-03-28 2017-03-28
US62/477,758 2017-03-28
US201762580275P 2017-11-01 2017-11-01
US62/580,275 2017-11-01
US201862613293P 2018-01-03 2018-01-03
US62/613,293 2018-01-03
US201862624496P 2018-01-31 2018-01-31
US62/624,496 2018-01-31
US15/888,766 US10771211B2 (en) 2017-03-28 2018-02-05 Method and apparatus for channel state information (CSI) acquisition with DL and UL reference signals
US15/888,766 2018-02-05
PCT/KR2018/003442 WO2018182241A1 (en) 2017-03-28 2018-03-23 Method and apparatus for channel state information (csi) acquisition with dl and ul reference signals
KR1020197029463A KR102468803B1 (ko) 2017-03-28 2018-03-23 Dl 및 ul 기준 신호를 이용한 채널 상태 정보(csi) 획득 방법 및 장치

Related Parent Applications (1)

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KR1020197029463A Division KR102468803B1 (ko) 2017-03-28 2018-03-23 Dl 및 ul 기준 신호를 이용한 채널 상태 정보(csi) 획득 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20220159475A KR20220159475A (ko) 2022-12-02
KR102569183B1 true KR102569183B1 (ko) 2023-08-22

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KR1020197029463A Active KR102468803B1 (ko) 2017-03-28 2018-03-23 Dl 및 ul 기준 신호를 이용한 채널 상태 정보(csi) 획득 방법 및 장치

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Country Status (6)

Country Link
US (1) US10771211B2 (enExample)
EP (2) EP3590203B1 (enExample)
JP (1) JP7118089B2 (enExample)
KR (2) KR102569183B1 (enExample)
CN (2) CN110521137B (enExample)
WO (1) WO2018182241A1 (enExample)

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CN110521137A (zh) 2019-11-29
KR102468803B1 (ko) 2022-11-18
JP7118089B2 (ja) 2022-08-15
CN116346180A (zh) 2023-06-27
WO2018182241A1 (en) 2018-10-04
KR20220159475A (ko) 2022-12-02
EP3998714B1 (en) 2023-08-09
CN110521137B (zh) 2022-11-29
KR20190125429A (ko) 2019-11-06
US20180287757A1 (en) 2018-10-04
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