EP4338302A4 - Informations de précodage - Google Patents

Informations de précodage

Info

Publication number
EP4338302A4
EP4338302A4 EP22806897.9A EP22806897A EP4338302A4 EP 4338302 A4 EP4338302 A4 EP 4338302A4 EP 22806897 A EP22806897 A EP 22806897A EP 4338302 A4 EP4338302 A4 EP 4338302A4
Authority
EP
European Patent Office
Prior art keywords
precoding
information
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
EP22806897.9A
Other languages
German (de)
English (en)
Other versions
EP4338302A1 (fr
Inventor
Filippo Tosato
Rana Ahmed
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.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
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 Nokia Technologies Oy filed Critical Nokia Technologies Oy
Priority to MA71361A priority Critical patent/MA71361A/fr
Publication of EP4338302A1 publication Critical patent/EP4338302A1/fr
Publication of EP4338302A4 publication Critical patent/EP4338302A4/fr
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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04B7/0658—Feedback reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Holo Graphy (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Forging (AREA)
EP22806897.9A 2021-05-11 2022-04-28 Informations de précodage Pending EP4338302A4 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MA71361A MA71361A (fr) 2021-05-11 2022-04-28 Informations de précodage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163187347P 2021-05-11 2021-05-11
US202163230349P 2021-08-06 2021-08-06
PCT/FI2022/050277 WO2022238612A1 (fr) 2021-05-11 2022-04-28 Informations de précodage

Publications (2)

Publication Number Publication Date
EP4338302A1 EP4338302A1 (fr) 2024-03-20
EP4338302A4 true EP4338302A4 (fr) 2025-05-14

Family

ID=81393067

Family Applications (2)

Application Number Title Priority Date Filing Date
EP22806897.9A Pending EP4338302A4 (fr) 2021-05-11 2022-04-28 Informations de précodage
EP22170400.0A Active EP4092922B1 (fr) 2021-05-11 2022-04-28 Précodage d'informations

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP22170400.0A Active EP4092922B1 (fr) 2021-05-11 2022-04-28 Précodage d'informations

Country Status (13)

Country Link
EP (2) EP4338302A4 (fr)
JP (1) JP7644267B2 (fr)
KR (1) KR102881909B1 (fr)
AU (1) AU2022273916B2 (fr)
CA (1) CA3218276A1 (fr)
CL (2) CL2023003368A1 (fr)
CO (1) CO2023017058A2 (fr)
ES (1) ES2970144T3 (fr)
FI (1) FI4092922T3 (fr)
MA (1) MA71361A (fr)
MX (1) MX2023013242A (fr)
PL (1) PL4092922T3 (fr)
WO (1) WO2022238612A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118119010A (zh) * 2022-11-30 2024-05-31 华为技术有限公司 通信方法及装置
CN118174755A (zh) * 2022-12-09 2024-06-11 哲库科技(北京)有限公司 频域压缩方法及装置
WO2024156073A1 (fr) * 2023-01-25 2024-08-02 Qualcomm Incorporated Rapport de paramètres pour de multiples sous-bandes
CN118802025A (zh) * 2023-04-13 2024-10-18 中兴通讯股份有限公司 监测方法及装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210126691A1 (en) * 2019-10-29 2021-04-29 Nokia Technologies Oy Mapping of windowed fd basis to a combinatorial indicator for pmi reporting and usage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3474459A1 (fr) * 2017-10-18 2019-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Récepteur, émetteur, système et procédé employant un précodage de temporisation spatiale
EP3734852A1 (fr) * 2019-05-02 2020-11-04 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Procédés et appareils de reporting csi dans un système de communication sans fil
US11463142B2 (en) 2019-09-06 2022-10-04 Samsung Electronics Co., Ltd. Method and apparatus for uplink control information omission
BR112023021175A2 (pt) 2021-04-12 2023-12-19 Lenovo Singapore Pte Ltd Relatórios de csi com subconjunto de indicadores de coeficiente

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210126691A1 (en) * 2019-10-29 2021-04-29 Nokia Technologies Oy Mapping of windowed fd basis to a combinatorial indicator for pmi reporting and usage

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
NOKIA ET AL: "Enhancement on CSI measurement and reporting", vol. RAN WG1, no. e-Meeting; 20210125 - 20210205, 18 January 2021 (2021-01-18), XP051971339, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_104-e/Docs/R1-2101011.zip R1-2101011_Rel-17_CSI_enhancements.docx> [retrieved on 20210118] *
See also references of WO2022238612A1 *
VIVO: "Further discussion and evaluation on MTRP CSI and partial reciprocity", vol. RAN WG1, no. e-Meeting; 20210125 - 20210205, 19 January 2021 (2021-01-19), XP051971014, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_104-e/Docs/R1-2100427.zip R1-2100427_Further discussion and evaluation on MTRP CSI and Partial reciprocity_final.docx> [retrieved on 20210119] *

Also Published As

Publication number Publication date
JP7644267B2 (ja) 2025-03-11
CL2023003368A1 (es) 2024-05-17
EP4092922A1 (fr) 2022-11-23
WO2022238612A1 (fr) 2022-11-17
JP2024519341A (ja) 2024-05-10
AU2022273916A1 (en) 2023-12-07
AU2022273916B2 (en) 2025-01-23
CA3218276A1 (fr) 2022-11-17
EP4338302A1 (fr) 2024-03-20
KR20240006640A (ko) 2024-01-15
CO2023017058A2 (es) 2023-12-29
MA71361A (fr) 2025-04-30
CL2024003215A1 (es) 2025-02-21
KR102881909B1 (ko) 2025-11-05
FI4092922T3 (fi) 2024-01-11
MX2023013242A (es) 2023-12-15
ES2970144T3 (es) 2024-05-27
EP4092922B1 (fr) 2023-12-13
PL4092922T3 (pl) 2024-03-18

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