KR102638709B1 - 채널 상태 정보 기준 신호(csi-rs)를 위한 방법 및 장치 - Google Patents

채널 상태 정보 기준 신호(csi-rs)를 위한 방법 및 장치 Download PDF

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Publication number
KR102638709B1
KR102638709B1 KR1020197031055A KR20197031055A KR102638709B1 KR 102638709 B1 KR102638709 B1 KR 102638709B1 KR 1020197031055 A KR1020197031055 A KR 1020197031055A KR 20197031055 A KR20197031055 A KR 20197031055A KR 102638709 B1 KR102638709 B1 KR 102638709B1
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KR
South Korea
Prior art keywords
csi
state
resource
dci
triggering
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KR1020197031055A
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English (en)
Korean (ko)
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KR20200005542A (ko
Inventor
에코 옹고사누시
아리스 파파사켈라리우
Original Assignee
삼성전자주식회사
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Priority claimed from US15/888,838 external-priority patent/US10498507B2/en
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of KR20200005542A publication Critical patent/KR20200005542A/ko
Application granted granted Critical
Publication of KR102638709B1 publication Critical patent/KR102638709B1/ko

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    • 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 signaling, 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
    • H04L5/003—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
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020197031055A 2017-04-25 2018-04-05 채널 상태 정보 기준 신호(csi-rs)를 위한 방법 및 장치 KR102638709B1 (ko)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US201762489832P 2017-04-25 2017-04-25
US62/489,832 2017-04-25
US201762583887P 2017-11-09 2017-11-09
US62/583,887 2017-11-09
US201762611350P 2017-12-28 2017-12-28
US62/611,350 2017-12-28
US201862616371P 2018-01-11 2018-01-11
US62/616,371 2018-01-11
US201862620732P 2018-01-23 2018-01-23
US62/620,732 2018-01-23
US15/888,838 US10498507B2 (en) 2017-03-21 2018-02-05 Method and apparatus for channel state information reference signal (CSI-RS)
US15/888,838 2018-02-05
PCT/KR2018/004040 WO2018174695A1 (en) 2017-03-21 2018-04-05 Method and apparatus for channel state information reference signal(csi-rs)

Publications (2)

Publication Number Publication Date
KR20200005542A KR20200005542A (ko) 2020-01-15
KR102638709B1 true KR102638709B1 (ko) 2024-02-21

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KR1020197031055A KR102638709B1 (ko) 2017-04-25 2018-04-05 채널 상태 정보 기준 신호(csi-rs)를 위한 방법 및 장치

Country Status (2)

Country Link
KR (1) KR102638709B1 (zh)
CN (2) CN110622459B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021203261A1 (en) * 2020-04-08 2021-10-14 Apple Inc. Overhead reduction for multi-carrier beam selection and power control
CN113950096A (zh) * 2020-07-17 2022-01-18 北京紫光展锐通信技术有限公司 触发非周期csi触发状态的方法及装置
WO2022032663A1 (zh) * 2020-08-14 2022-02-17 华为技术有限公司 一种协作传输的方法、基站及终端
US20220417779A1 (en) * 2021-06-25 2022-12-29 Samsung Electronics Co., Ltd. Method for utilizing channel sparsity and coherence in csi feedback

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2894656T3 (es) * 2011-06-10 2022-02-15 Qualcomm Inc Procedimiento y aparato de transmisión de información de estado de canal aperiódica en sistema de comunicación inalámbrica
JP6851709B2 (ja) * 2012-01-27 2021-03-31 サムスン エレクトロニクス カンパニー リミテッド 非周期的チャンネル状態情報に対する多重プロセスの報告
CN110365382B (zh) * 2012-05-10 2022-06-21 中兴通讯股份有限公司 Csi反馈信令的指示配置方法及基站
KR102574954B1 (ko) * 2015-08-13 2023-09-05 삼성전자주식회사 통신 시스템에서 기준 신호를 송수신하는 방법 및 장치

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
3GPP R1-1610105*
3GPP R1-1704727*

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Publication number Publication date
KR20200005542A (ko) 2020-01-15
CN110622459A (zh) 2019-12-27
CN110622459B (zh) 2022-10-11
CN115567182A (zh) 2023-01-03

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