JP7648646B2 - チャネルサウンディングのための通信装置、通信方法および集積回路 - Google Patents

チャネルサウンディングのための通信装置、通信方法および集積回路 Download PDF

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JP7648646B2
JP7648646B2 JP2022560182A JP2022560182A JP7648646B2 JP 7648646 B2 JP7648646 B2 JP 7648646B2 JP 2022560182 A JP2022560182 A JP 2022560182A JP 2022560182 A JP2022560182 A JP 2022560182A JP 7648646 B2 JP7648646 B2 JP 7648646B2
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sounding
eht
frame
sta
procedure
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Japanese (ja)
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JPWO2021201771A5 (https=
JP2023521659A5 (https=
JP2023521659A (ja
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レイ ホァン
嘉夫 浦部
ロジャン チトラカール
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Panasonic Intellectual Property Corp of America
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Panasonic Intellectual Property Corp of America
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • H04L25/0226Channel estimation using sounding signals sounding signals per se
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0632Channel quality parameters, e.g. channel quality indicator [CQI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028Formatting
    • H04L1/0029Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2022560182A 2020-04-03 2021-02-25 チャネルサウンディングのための通信装置、通信方法および集積回路 Active JP7648646B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025034777A JP7813395B2 (ja) 2020-04-03 2025-03-05 チャネルサウンディングのための通信装置および通信方法、および集積回路

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG10202003138UA SG10202003138UA (en) 2020-04-03 2020-04-03 Communication apparatus and communication method for channel sounding
SG10202003138U 2020-04-03
PCT/SG2021/050091 WO2021201771A1 (en) 2020-04-03 2021-02-25 Communication apparatus and communication method for channel sounding

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JP2025034777A Division JP7813395B2 (ja) 2020-04-03 2025-03-05 チャネルサウンディングのための通信装置および通信方法、および集積回路

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JP2023521659A JP2023521659A (ja) 2023-05-25
JPWO2021201771A5 JPWO2021201771A5 (https=) 2025-02-06
JP2023521659A5 JP2023521659A5 (https=) 2025-02-06
JP7648646B2 true JP7648646B2 (ja) 2025-03-18

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JP2025034777A Active JP7813395B2 (ja) 2020-04-03 2025-03-05 チャネルサウンディングのための通信装置および通信方法、および集積回路

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US (1) US20230141486A1 (https=)
EP (1) EP4128871A4 (https=)
JP (2) JP7648646B2 (https=)
CN (4) CN120785692A (https=)
SG (1) SG10202003138UA (https=)
WO (1) WO2021201771A1 (https=)

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KR20240093876A (ko) * 2021-10-27 2024-06-24 뉴라컴 인코포레이티드 다중 ap 협력을 위한 프레임 교환 시퀀스
EP4432775B1 (en) * 2021-11-26 2026-01-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Wireless communication method and device
WO2025202138A1 (en) * 2024-03-28 2025-10-02 Sony Group Corporation Communication devices and methods
WO2026012847A1 (en) * 2024-07-12 2026-01-15 Sony Group Corporation Communication devices and methods to perform conditional txop sharing

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CN120785692A (zh) 2025-10-14
CN120710830A (zh) 2025-09-26
CN115349271B (zh) 2025-06-20
EP4128871A1 (en) 2023-02-08
EP4128871A4 (en) 2023-09-06
US20230141486A1 (en) 2023-05-11
CN115349271A (zh) 2022-11-15
SG10202003138UA (en) 2021-11-29
JP7813395B2 (ja) 2026-02-12
CN120710829A (zh) 2025-09-26
JP2025087815A (ja) 2025-06-10
JP2023521659A (ja) 2023-05-25
WO2021201771A1 (en) 2021-10-07

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