JP7679894B2 - 無線通信方法、無線通信システム、及び送信装置 - Google Patents

無線通信方法、無線通信システム、及び送信装置 Download PDF

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Publication number
JP7679894B2
JP7679894B2 JP2023576282A JP2023576282A JP7679894B2 JP 7679894 B2 JP7679894 B2 JP 7679894B2 JP 2023576282 A JP2023576282 A JP 2023576282A JP 2023576282 A JP2023576282 A JP 2023576282A JP 7679894 B2 JP7679894 B2 JP 7679894B2
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Prior art keywords
phase shift
transmission data
shift amount
precoding
unit
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Japanese (ja)
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JPWO2023144882A1 (https=
JPWO2023144882A5 (https=
Inventor
圭太 栗山
隼人 福園
利文 宮城
武 鬼沢
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NTT Inc
NTT Inc USA
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Nippon Telegraph and Telephone Corp
NTT Inc USA
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2621—Reduction thereof using phase offsets between subcarriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2023576282A 2022-01-25 2022-01-25 無線通信方法、無線通信システム、及び送信装置 Active JP7679894B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/002664 WO2023144882A1 (ja) 2022-01-25 2022-01-25 無線通信方法、無線通信システム、及び送信装置

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JPWO2023144882A1 JPWO2023144882A1 (https=) 2023-08-03
JPWO2023144882A5 JPWO2023144882A5 (https=) 2024-09-19
JP7679894B2 true JP7679894B2 (ja) 2025-05-20

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JP2023576282A Active JP7679894B2 (ja) 2022-01-25 2022-01-25 無線通信方法、無線通信システム、及び送信装置

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US (1) US20250112811A1 (https=)
EP (1) EP4472151A4 (https=)
JP (1) JP7679894B2 (https=)
WO (1) WO2023144882A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20260067146A1 (en) * 2022-01-25 2026-03-05 Ntt, Inc. Wireless communication method, wireless communication system, and transmission device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009194732A (ja) 2008-02-15 2009-08-27 Ntt Docomo Inc 無線通信装置及び無線通信方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009194732A (ja) 2008-02-15 2009-08-27 Ntt Docomo Inc 無線通信装置及び無線通信方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DUAN, Yanhui et al.，A New SLM Method with Feedback Searching for Uplink SC-FDMA System，2012 8th International Conference on Wireless Communications, Networking and Mobile Computing，2012年09月23日，第ＩＶ節，図１

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Publication number Publication date
JPWO2023144882A1 (https=) 2023-08-03
US20250112811A1 (en) 2025-04-03
EP4472151A1 (en) 2024-12-04
EP4472151A4 (en) 2025-11-19
WO2023144882A1 (ja) 2023-08-03

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