JP7648858B1 - ユーザ装置、ノード、及び通信方法 - Google Patents

ユーザ装置、ノード、及び通信方法 Download PDF

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Publication number
JP7648858B1
JP7648858B1 JP2024564482A JP2024564482A JP7648858B1 JP 7648858 B1 JP7648858 B1 JP 7648858B1 JP 2024564482 A JP2024564482 A JP 2024564482A JP 2024564482 A JP2024564482 A JP 2024564482A JP 7648858 B1 JP7648858 B1 JP 7648858B1
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Japan
Prior art keywords
node
layers
reference signal
user equipment
precoder
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JP2024564482A
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English (en)
Japanese (ja)
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JPWO2025094365A1 (https=
JPWO2025094365A5 (https=
Inventor
耕嗣 生田
真人 藤代
光孝 秦
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Kyocera Corp
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Kyocera Corp
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Priority to JP2025033101A priority Critical patent/JP7671933B1/ja
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Priority to JP2025068105A priority patent/JP2025106091A/ja
Publication of JPWO2025094365A1 publication Critical patent/JPWO2025094365A1/ja
Publication of JPWO2025094365A5 publication Critical patent/JPWO2025094365A5/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
    • H04B7/0413—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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2024564482A 2023-11-02 2023-11-02 ユーザ装置、ノード、及び通信方法 Active JP7648858B1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2025033101A JP7671933B1 (ja) 2023-11-02 2025-03-03 ユーザ装置、ノード、及び通信方法
JP2025068105A JP2025106091A (ja) 2023-11-02 2025-04-17 ユーザ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/039644 WO2025094365A1 (ja) 2023-11-02 2023-11-02 ユーザ装置、ノード、及び通信方法

Related Child Applications (1)

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JP2025033101A Division JP7671933B1 (ja) 2023-11-02 2025-03-03 ユーザ装置、ノード、及び通信方法

Publications (3)

Publication Number Publication Date
JP7648858B1 true JP7648858B1 (ja) 2025-03-18
JPWO2025094365A1 JPWO2025094365A1 (https=) 2025-05-08
JPWO2025094365A5 JPWO2025094365A5 (https=) 2025-10-02

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ID=95019407

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2024564482A Active JP7648858B1 (ja) 2023-11-02 2023-11-02 ユーザ装置、ノード、及び通信方法
JP2025033101A Active JP7671933B1 (ja) 2023-11-02 2025-03-03 ユーザ装置、ノード、及び通信方法
JP2025068105A Pending JP2025106091A (ja) 2023-11-02 2025-04-17 ユーザ装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2025033101A Active JP7671933B1 (ja) 2023-11-02 2025-03-03 ユーザ装置、ノード、及び通信方法
JP2025068105A Pending JP2025106091A (ja) 2023-11-02 2025-04-17 ユーザ装置

Country Status (4)

Country Link
US (1) US20260122634A1 (https=)
EP (1) EP4645931A4 (https=)
JP (3) JP7648858B1 (https=)
WO (1) WO2025094365A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7841172B1 (ja) * 2025-10-31 2026-04-06 京セラ株式会社 ノード、ユーザ装置、通信システム、及び通信方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180262242A1 (en) * 2017-03-13 2018-09-13 Qualcomm Incorporated Techniques and apparatuses for uplink precoder determination using downlink reference signals or downlink precoder determination using uplink reference signals
US20200091978A1 (en) * 2017-03-23 2020-03-19 Samsung Electronics Co., Ltd. Device and method for transmitting data in wireless communication system
JP2021177643A (ja) * 2017-05-12 2021-11-11 株式会社Ｎｔｔドコモ 端末、無線通信方法、基地局及びシステム
US20220022223A1 (en) * 2020-07-20 2022-01-20 Qualcomm Incorporated Uplink rank adaptation for mimo communication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10567048B2 (en) * 2016-09-23 2020-02-18 Qualcomm Incorporated Techniques for determining uplink precoding matrix for a user equipment
JP7039618B2 (ja) 2017-12-27 2022-03-22 株式会社Ｎｔｔドコモ 端末、無線通信方法、基地局及びシステム
US20230081552A1 (en) * 2021-09-13 2023-03-16 Mediatek Inc. Uplink multi-antenna transmission in wireless communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180262242A1 (en) * 2017-03-13 2018-09-13 Qualcomm Incorporated Techniques and apparatuses for uplink precoder determination using downlink reference signals or downlink precoder determination using uplink reference signals
US20200091978A1 (en) * 2017-03-23 2020-03-19 Samsung Electronics Co., Ltd. Device and method for transmitting data in wireless communication system
JP2021177643A (ja) * 2017-05-12 2021-11-11 株式会社Ｎｔｔドコモ 端末、無線通信方法、基地局及びシステム
US20220022223A1 (en) * 2020-07-20 2022-01-20 Qualcomm Incorporated Uplink rank adaptation for mimo communication

Also Published As

Publication number Publication date
JPWO2025094365A1 (https=) 2025-05-08
EP4645931A4 (en) 2026-03-25
JP2025106091A (ja) 2025-07-11
US20260122634A1 (en) 2026-04-30
JP7671933B1 (ja) 2025-05-02
JP2025084940A (ja) 2025-06-03
EP4645931A1 (en) 2025-11-05
WO2025094365A1 (ja) 2025-05-08

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