JP7560531B2 - 広帯域動作のためのチャネル状態情報基準信号 - Google Patents

広帯域動作のためのチャネル状態情報基準信号 Download PDF

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Publication number
JP7560531B2
JP7560531B2 JP2022500967A JP2022500967A JP7560531B2 JP 7560531 B2 JP7560531 B2 JP 7560531B2 JP 2022500967 A JP2022500967 A JP 2022500967A JP 2022500967 A JP2022500967 A JP 2022500967A JP 7560531 B2 JP7560531 B2 JP 7560531B2
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csi
subbands
subset
available
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JP2022540830A5 (https=
JP2022540830A (ja
Inventor
スン、ジン
タヤガラジャン、アナンタナラヤナン
バータッド、カピル
ジャン、シャオシャ
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Qualcomm Inc
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Qualcomm Inc
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Priority claimed from US16/946,901 external-priority patent/US11336352B2/en
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Priority to JP2024162057A priority Critical patent/JP7724345B2/ja
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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
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2022500967A 2019-07-15 2020-07-13 広帯域動作のためのチャネル状態情報基準信号 Active JP7560531B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024162057A JP7724345B2 (ja) 2019-07-15 2024-09-19 広帯域動作のためのチャネル状態情報基準信号

Applications Claiming Priority (5)

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
PCT/US2020/070262 WO2021011954A1 (en) 2019-07-15 2020-07-13 Channel state information reference signal for wideband operation

Related Child Applications (1)

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JP2022540830A JP2022540830A (ja) 2022-09-20
JP2022540830A5 JP2022540830A5 (https=) 2023-06-22
JP7560531B2 true JP7560531B2 (ja) 2024-10-02

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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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EP4000209A1 (en) 2022-05-25
US12107651B2 (en) 2024-10-01
CN114080779B (zh) 2024-11-12
KR20240100481A (ko) 2024-07-01
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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