JP7720002B2 - 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

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Publication number
JP7720002B2
JP7720002B2 JP2023576287A JP2023576287A JP7720002B2 JP 7720002 B2 JP7720002 B2 JP 7720002B2 JP 2023576287 A JP2023576287 A JP 2023576287A JP 2023576287 A JP2023576287 A JP 2023576287A JP 7720002 B2 JP7720002 B2 JP 7720002B2
Authority
JP
Japan
Prior art keywords
phase shift
transmission data
shift amount
unit
precoding
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.)
Active
Application number
JP2023576287A
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English (en)
Japanese (ja)
Other versions
JPWO2023144887A1 (https=
JPWO2023144887A5 (https=
Inventor
圭太 栗山
隼人 福園
利文 宮城
武 鬼沢
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.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
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 Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Nippon Telegraph and Telephone Corp
Publication of JPWO2023144887A1 publication Critical patent/JPWO2023144887A1/ja
Publication of JPWO2023144887A5 publication Critical patent/JPWO2023144887A5/ja
Application granted granted Critical
Publication of JP7720002B2 publication Critical patent/JP7720002B2/ja
Active legal-status Critical Current
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Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
JP2023576287A 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 JP7720002B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/002671 WO2023144887A1 (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

Publications (3)

Publication Number Publication Date
JPWO2023144887A1 JPWO2023144887A1 (https=) 2023-08-03
JPWO2023144887A5 JPWO2023144887A5 (https=) 2024-09-19
JP7720002B2 true JP7720002B2 (ja) 2025-08-07

Family

ID=87471171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023576287A Active JP7720002B2 (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

Country Status (4)

Country Link
US (1) US20260067146A1 (https=)
EP (1) EP4472152A4 (https=)
JP (1) JP7720002B2 (https=)
WO (1) WO2023144887A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005341054A (ja) 2004-05-25 2005-12-08 Ntt Docomo Inc 送信機および送信制御方法
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
JP2011524146A (ja) 2008-06-13 2011-08-25 クゥアルコム・インコーポレイテッド ピーク電力管理技法を使用したｈａｒｑ再送信の低減

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102237973B (zh) * 2010-05-04 2014-07-30 华为技术有限公司 预编码处理方法以及用户设备
CA2937550A1 (en) * 2014-01-22 2015-07-30 Huawei Technologies Co., Ltd. Information processing apparatus, network node, and information processing method
CN107181509A (zh) * 2016-03-11 2017-09-19 电信科学技术研究院 一种数据传输方法和装置
WO2023144879A1 (ja) * 2022-01-25 2023-08-03 日本電信電話株式会社 無線通信方法、無線通信システム、及び送信装置
US20250112811A1 (en) * 2022-01-25 2025-04-03 Nippon Telegraph And Telephone Corporation Wireless communication method, wireless communication system, and transmission device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005341054A (ja) 2004-05-25 2005-12-08 Ntt Docomo Inc 送信機および送信制御方法
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
JP2011524146A (ja) 2008-06-13 2011-08-25 クゥアルコム・インコーポレイテッド ピーク電力管理技法を使用したｈａｒｑ再送信の低減

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Adriana LIPOVAC et al.，"BER Based OFDM PAPR Estimation"，2018 26th International Conference on Software, Telecommunications and Computer Networks (SoftCOM)，2018年09月，p.1-6，DOI: 10.23919/SOFTCOM.2018.8555780
F.S. Alharbi et al.，A combined SLM and closed-loop QO-STBC for PAPR mitigation in MIMO-OFDM transmission，2008 16th European Signal Processing Conference，2008年08月29日
Seung Hee Han et al.，An overview of peak-to-average power ratio reduction techniques for multicarrier transmission，IEEE Wireless Communications，2005年04月18日
Yanhui Duan 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

Also Published As

Publication number Publication date
EP4472152A4 (en) 2025-11-19
JPWO2023144887A1 (https=) 2023-08-03
WO2023144887A1 (ja) 2023-08-03
US20260067146A1 (en) 2026-03-05
EP4472152A1 (en) 2024-12-04

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