JP7782662B2 - 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
JP7782662B2
JP7782662B2 JP2024500785A JP2024500785A JP7782662B2 JP 7782662 B2 JP7782662 B2 JP 7782662B2 JP 2024500785 A JP2024500785 A JP 2024500785A JP 2024500785 A JP2024500785 A JP 2024500785A JP 7782662 B2 JP7782662 B2 JP 7782662B2
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JP
Japan
Prior art keywords
phase shift
shift amount
transmission data
unit
transmitting device
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
JP2024500785A
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English (en)
Japanese (ja)
Other versions
JPWO2023157143A1 (https=
JPWO2023157143A5 (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
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Publication date
Application filed by Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Nippon Telegraph and Telephone Corp
Publication of JPWO2023157143A1 publication Critical patent/JPWO2023157143A1/ja
Publication of JPWO2023157143A5 publication Critical patent/JPWO2023157143A5/ja
Application granted granted Critical
Publication of JP7782662B2 publication Critical patent/JP7782662B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H04L27/2615—Reduction thereof using coding
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0096—Indication of changes in allocation
    • H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Transmission System (AREA)
JP2024500785A 2022-02-16 2022-02-16 無線通信方法、無線通信システム、及び送信装置 Active JP7782662B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/006236 WO2023157143A1 (ja) 2022-02-16 2022-02-16 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
JPWO2023157143A1 JPWO2023157143A1 (https=) 2023-08-24
JPWO2023157143A5 JPWO2023157143A5 (https=) 2024-10-04
JP7782662B2 true JP7782662B2 (ja) 2025-12-09

Family

ID=87577888

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024500785A Active JP7782662B2 (ja) 2022-02-16 2022-02-16 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) US20250141726A1 (https=)
EP (1) EP4482094A4 (https=)
JP (1) JP7782662B2 (https=)
WO (1) WO2023157143A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025253626A1 (ja) * 2024-06-07 2025-12-11 Ｎｔｔ株式会社 無線通信システム及び送信装置

Citations (4)

* Cited by examiner, † Cited by third party
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JP2005341054A (ja) 2004-05-25 2005-12-08 Ntt Docomo Inc 送信機および送信制御方法
JP2007201951A (ja) 2006-01-27 2007-08-09 Sanyo Electric Co Ltd 受信方法および装置
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

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KR100754721B1 (ko) * 2002-04-26 2007-09-03 삼성전자주식회사 직교주파수분할다중화 통신시스템에서 다중화 데이터 송수신 장치 및 방법
US7519123B1 (en) * 2004-04-08 2009-04-14 Staccato Communications, Inc. Spectral shaping for multiband OFDM transmitters with time spreading
US20060045193A1 (en) * 2004-08-24 2006-03-02 Nokia Corporation System, transmitter, method, and computer program product for utilizing an adaptive preamble scheme for multi-carrier communication systems
JP2006314081A (ja) * 2005-04-08 2006-11-16 Matsushita Electric Ind Co Ltd 通信装置及び通信方法
JP2007259445A (ja) * 2006-03-20 2007-10-04 Fujitsu Ltd Ｏｆｄｍ通信システムにおける送信装置及び方法
US7746766B2 (en) * 2006-09-21 2010-06-29 Sharp Laboratories Of America, Inc. Systems and methods for obtaining an optimum transmission format of reference signals to maximize capacity and minimize peak to average power ratio
JP2010537469A (ja) * 2007-08-14 2010-12-02 エルジー エレクトロニクス インコーポレイティド ピーク対平均電力比を減少させる方法
KR101445388B1 (ko) * 2007-09-03 2014-09-26 엘지전자 주식회사 반복 코딩을 이용한 데이터 전송 방법
US9225575B2 (en) * 2008-06-18 2015-12-29 Center Of Excellence In Wireless Technology Precoding for single transmission streams in multiple antenna systems
US8995568B1 (en) * 2008-09-05 2015-03-31 Marvell International Ltd. Phase transformation of repeated signals
US8073079B1 (en) * 2008-10-20 2011-12-06 The United States Of America As Represented By Secretary Of The Navy Angle-modulated signal threshold extension device and method
US8761303B2 (en) * 2008-11-13 2014-06-24 Qualcomm Incorporated Unequal multipath protection of different frames within a superframe using different cyclic prefix lengths
CN107612597B (zh) * 2011-02-18 2021-01-05 太阳专利托管公司 信号生成方法及信号生成装置
JP2013118567A (ja) * 2011-12-05 2013-06-13 Ntt Docomo Inc 無線基地局装置、無線通信システム及び無線通信方法
US9166764B2 (en) * 2012-10-16 2015-10-20 Qualcomm Incorporated Methods and apparatus for feedback computation and decoding with synchronously coded subcarriers in OFDMA systems
US9960942B2 (en) * 2013-04-22 2018-05-01 Beijing Institute Of Technology Low complexity method for reducing PAPR in FRFT-OFDM systems
JP6329348B2 (ja) * 2013-08-13 2018-05-23 株式会社Ｎｔｔドコモ 基地局装置、およびキャリブレーション方法
WO2015141658A1 (ja) * 2014-03-17 2015-09-24 日本電信電話株式会社 光信号送信装置及び光信号送信方法
US20250158857A1 (en) * 2022-02-16 2025-05-15 Nippon Telegraph And Telephone Corporation Wireless communication method, wireless communication system, and transmission device
WO2023157133A1 (ja) * 2022-02-16 2023-08-24 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

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JP2005341054A (ja) 2004-05-25 2005-12-08 Ntt Docomo Inc 送信機および送信制御方法
JP2007201951A (ja) 2006-01-27 2007-08-09 Sanyo Electric Co Ltd 受信方法および装置
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

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* 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
P. Raghava LASYA et al.，PAPR and out-of-band power reduction in OFDM-based cognitive radios [online]，2015 International Conference on Signal Processing and Communication Engineering Systems，2015年01月，pp.473-476，［取得日2025年６月18日］、取得先＜https://ieeexplore.ieee.org/document/7058309＞，<DOI: 10.1109/SPACES.2015.7058309>
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

Also Published As

Publication number Publication date
EP4482094A4 (en) 2025-12-24
JPWO2023157143A1 (https=) 2023-08-24
EP4482094A1 (en) 2024-12-25
WO2023157143A1 (ja) 2023-08-24
US20250141726A1 (en) 2025-05-01

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