WO2023287226A3 - 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치 - Google Patents

무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치 Download PDF

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Publication number
WO2023287226A3
WO2023287226A3 PCT/KR2022/010293 KR2022010293W WO2023287226A3 WO 2023287226 A3 WO2023287226 A3 WO 2023287226A3 KR 2022010293 W KR2022010293 W KR 2022010293W WO 2023287226 A3 WO2023287226 A3 WO 2023287226A3
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WIPO (PCT)
Prior art keywords
csi
transmitting
channel state
state information
wireless communication
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PCT/KR2022/010293
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English (en)
French (fr)
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WO2023287226A2 (ko
Inventor
고성원
김형태
강지원
박해욱
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엘지전자 주식회사
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Priority to US18/579,040 priority Critical patent/US20240340672A1/en
Priority to EP22842488.3A priority patent/EP4373009A2/en
Publication of WO2023287226A2 publication Critical patent/WO2023287226A2/ko
Publication of WO2023287226A3 publication Critical patent/WO2023287226A3/ko

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    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • 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
    • H04B7/0417—Feedback systems
    • 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
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • 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
    • H04L5/0051—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 signaling, 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—Signaling for the administration of the divided path
    • 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), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • 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
    • H04L5/0026—Division using four or more dimensions
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

무선 통신 시스템에서 채널 상태 정보를 송수신하는 방법 및 장치가 개시된다. 본 개시의 일 실시예에 따른 단말이 채널 상태 정보(CSI: channel state information)를 전송하는 방법은: 기지국으로부터 CSI 보고와 관련된 제1 설정 정보 및 CSI 자원과 관련된 제2 설정 정보를 수신하는 단계, 상기 기지국으로부터 상기 제2 설정 정보에 기반하여 M개의 CSI 자원 세트의 복수의 CSI 자원들 상에서 CSI-참조 신호(CSI-RS: CSI-reference signal)를 수신하는 단계; 상기 CSI-RS 및 상기 제1 설정 정보에 기반하여 상기 CSI 보고를 상기 기지국에게 전송하는 단계를 포함할 수 있다.
PCT/KR2022/010293 2021-07-15 2022-07-14 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치 WO2023287226A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US18/579,040 US20240340672A1 (en) 2021-07-15 2022-07-14 Method and device for transmitting or receiving channel state information in wireless communication system
EP22842488.3A EP4373009A2 (en) 2021-07-15 2022-07-14 Method and device for transmitting or receiving channel state information in wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2021-0093047 2021-07-15
KR20210093047 2021-07-15

Publications (2)

Publication Number Publication Date
WO2023287226A2 WO2023287226A2 (ko) 2023-01-19
WO2023287226A3 true WO2023287226A3 (ko) 2023-03-09

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ID=84920267

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Application Number Title Priority Date Filing Date
PCT/KR2022/010293 WO2023287226A2 (ko) 2021-07-15 2022-07-14 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치

Country Status (3)

Country Link
US (1) US20240340672A1 (ko)
EP (1) EP4373009A2 (ko)
WO (1) WO2023287226A2 (ko)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180042028A1 (en) * 2016-08-04 2018-02-08 Samsung Electronics Co., Ltd. Method and apparatus for coordinating multi-point transmission in advanced wireless systems
US20190149214A1 (en) * 2016-11-23 2019-05-16 Samsung Electronics Co., Ltd. Method and apparatus to enable multi-resolution csi reporting in advanced wireless communication systems
US20210105050A1 (en) * 2016-08-12 2021-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Multi-beam codebooks with further optimized overhead
US20210184824A1 (en) * 2019-12-17 2021-06-17 Comcast Cable Communications, Llc Wireless Resource Switching
US20210194558A1 (en) * 2019-12-20 2021-06-24 Qualcomm Incorporated Group-based beam reporting using phase continuity

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180042028A1 (en) * 2016-08-04 2018-02-08 Samsung Electronics Co., Ltd. Method and apparatus for coordinating multi-point transmission in advanced wireless systems
US20210105050A1 (en) * 2016-08-12 2021-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Multi-beam codebooks with further optimized overhead
US20190149214A1 (en) * 2016-11-23 2019-05-16 Samsung Electronics Co., Ltd. Method and apparatus to enable multi-resolution csi reporting in advanced wireless communication systems
US20210184824A1 (en) * 2019-12-17 2021-06-17 Comcast Cable Communications, Llc Wireless Resource Switching
US20210194558A1 (en) * 2019-12-20 2021-06-24 Qualcomm Incorporated Group-based beam reporting using phase continuity

Also Published As

Publication number Publication date
WO2023287226A2 (ko) 2023-01-19
US20240340672A1 (en) 2024-10-10
EP4373009A2 (en) 2024-05-22

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