EP4754902A1 - Multi-beamformer-sounding-protokolle für wlan-systeme - Google Patents

Multi-beamformer-sounding-protokolle für wlan-systeme

Info

Publication number
EP4754902A1
EP4754902A1 EP24761734.3A EP24761734A EP4754902A1 EP 4754902 A1 EP4754902 A1 EP 4754902A1 EP 24761734 A EP24761734 A EP 24761734A EP 4754902 A1 EP4754902 A1 EP 4754902A1
Authority
EP
European Patent Office
Prior art keywords
ndp
frame
sta
collaborating
subfield
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
EP24761734.3A
Other languages
English (en)
French (fr)
Inventor
Zinan Lin
Hanqing Lou
Rui Yang
Mahmoud SAAD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Patent Holdings Inc
Original Assignee
InterDigital Patent Holdings Inc
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
Application filed by InterDigital Patent Holdings Inc filed Critical InterDigital Patent Holdings Inc
Publication of EP4754902A1 publication Critical patent/EP4754902A1/de
Pending legal-status Critical Current

Links

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
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding 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
    • H04L5/0001—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
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP24761734.3A 2023-07-31 2024-07-31 Multi-beamformer-sounding-protokolle für wlan-systeme Pending EP4754902A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363529855P 2023-07-31 2023-07-31
PCT/US2024/040282 WO2025029857A1 (en) 2023-07-31 2024-07-31 Multi-beamformer sounding protocols for wlan systems

Publications (1)

Publication Number Publication Date
EP4754902A1 true EP4754902A1 (de) 2026-06-10

Family

ID=92542970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24761734.3A Pending EP4754902A1 (de) 2023-07-31 2024-07-31 Multi-beamformer-sounding-protokolle für wlan-systeme

Country Status (4)

Country Link
EP (1) EP4754902A1 (de)
KR (1) KR20260041891A (de)
CN (1) CN121548953A (de)
WO (1) WO2025029857A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3849099B1 (de) * 2020-01-07 2026-01-07 Feng Jiang Kanalsondierung für multi-ap koordinierte strahlformung (cbf) und gemeinsame mehrfach-ap-übertragung in einem eht-netzwerk
CN113747485A (zh) * 2020-05-30 2021-12-03 华为技术有限公司 多ap协作传输的信道探测方法及相关装置
EP4701116A3 (de) * 2020-09-01 2026-04-29 InterDigital Patent Holdings, Inc. Multi-ap-einrichtungs- und übertragungsverfahren für wlan-systeme
CN118160229A (zh) * 2021-10-27 2024-06-07 纽拉通株式会社 用于多ap协作的帧交换序列

Also Published As

Publication number Publication date
CN121548953A (zh) 2026-02-17
KR20260041891A (ko) 2026-03-27
WO2025029857A1 (en) 2025-02-06

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