KR20240100481A - 광대역 동작을 위한 채널 상태 정보 레퍼런스 신호 - Google Patents

광대역 동작을 위한 채널 상태 정보 레퍼런스 신호 Download PDF

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Publication number
KR20240100481A
KR20240100481A KR1020247020867A KR20247020867A KR20240100481A KR 20240100481 A KR20240100481 A KR 20240100481A KR 1020247020867 A KR1020247020867 A KR 1020247020867A KR 20247020867 A KR20247020867 A KR 20247020867A KR 20240100481 A KR20240100481 A KR 20240100481A
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KR
South Korea
Prior art keywords
csi
subbands
subband
configuration information
availability
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
KR1020247020867A
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English (en)
Korean (ko)
Inventor
징 순
아난타 나라야난 티아가라잔
카필 바타드
샤오샤 장
Original Assignee
퀄컴 인코포레이티드
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
Priority claimed from US16/946,901 external-priority patent/US11336352B2/en
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20240100481A publication Critical patent/KR20240100481A/ko
Pending legal-status Critical Current

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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
    • H04B7/06—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
    • H04L5/003—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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • 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
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/11—Semi-persistent scheduling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020247020867A 2019-07-15 2020-07-13 광대역 동작을 위한 채널 상태 정보 레퍼런스 신호 Pending KR20240100481A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
IN201941028335 2019-07-15
IN201941028335 2019-07-15
US16/946,901 US11336352B2 (en) 2019-07-15 2020-07-10 Channel state information reference signal for wideband operation
US16/946,901 2020-07-10
KR1020227000892A KR102693073B1 (ko) 2019-07-15 2020-07-13 광대역 동작을 위한 채널 상태 정보 레퍼런스 신호
PCT/US2020/070262 WO2021011954A1 (en) 2019-07-15 2020-07-13 Channel state information reference signal for wideband operation

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020227000892A Division KR102693073B1 (ko) 2019-07-15 2020-07-13 광대역 동작을 위한 채널 상태 정보 레퍼런스 신호

Publications (1)

Publication Number Publication Date
KR20240100481A true KR20240100481A (ko) 2024-07-01

Family

ID=71944440

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020247020867A Pending KR20240100481A (ko) 2019-07-15 2020-07-13 광대역 동작을 위한 채널 상태 정보 레퍼런스 신호
KR1020227000892A Active KR102693073B1 (ko) 2019-07-15 2020-07-13 광대역 동작을 위한 채널 상태 정보 레퍼런스 신호

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020227000892A Active KR102693073B1 (ko) 2019-07-15 2020-07-13 광대역 동작을 위한 채널 상태 정보 레퍼런스 신호

Country Status (8)

Country Link
US (2) US11742920B2 (https=)
EP (1) EP4000209B1 (https=)
JP (2) JP7560531B2 (https=)
KR (2) KR20240100481A (https=)
CN (2) CN119276446A (https=)
BR (1) BR112021026640A2 (https=)
PH (1) PH12021553150A1 (https=)
WO (1) WO2021011954A1 (https=)

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WO2020096274A1 (ko) * 2018-11-08 2020-05-14 엘지전자 주식회사 비면허 대역에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
BR112021026640A2 (pt) 2019-07-15 2022-03-22 Qualcomm Inc Sinal de referência de informação de estado de canal para operação de banda larga
KR102609779B1 (ko) * 2020-04-13 2023-12-06 엘지전자 주식회사 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
US11743941B2 (en) * 2020-08-26 2023-08-29 Qualcomm Incorporated Dynamic group formation for group based positioning reference signal listen before talk procedures

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CN104253674B (zh) 2013-06-27 2017-12-29 华为技术有限公司 反馈csi的方法、调度ue的方法、ue及基站
US10735155B2 (en) 2014-11-03 2020-08-04 Qualcomm Incorporated Rate matching around reference signals in wireless communications
US10637619B2 (en) * 2014-11-03 2020-04-28 Samsung Electronics Co., Ltd. Method and apparatus for channel access for LTE on unlicensed spectrum
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Also Published As

Publication number Publication date
EP4000209A1 (en) 2022-05-25
US12107651B2 (en) 2024-10-01
JP7560531B2 (ja) 2024-10-02
CN114080779B (zh) 2024-11-12
CN114080779A (zh) 2022-02-22
JP2022540830A (ja) 2022-09-20
JP7724345B2 (ja) 2025-08-15
EP4000209B1 (en) 2025-08-27
US20230353215A1 (en) 2023-11-02
EP4000209C0 (en) 2025-08-27
PH12021553150A1 (en) 2022-08-15
JP2025011101A (ja) 2025-01-23
US11742920B2 (en) 2023-08-29
BR112021026640A2 (pt) 2022-03-22
CN119276446A (zh) 2025-01-07
KR102693073B1 (ko) 2024-08-07
US20220337299A1 (en) 2022-10-20
KR20220031009A (ko) 2022-03-11
WO2021011954A1 (en) 2021-01-21

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Legal Events

Date Code Title Description
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20240621

Application number text: 1020227000892

Filing date: 20220110

PA0201 Request for examination
PG1501 Laying open of application