JPWO2022013923A1 - - Google Patents

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Publication number
JPWO2022013923A1
JPWO2022013923A1 JP2022532711A JP2022532711A JPWO2022013923A1 JP WO2022013923 A1 JPWO2022013923 A1 JP WO2022013923A1 JP 2022532711 A JP2022532711 A JP 2022532711A JP 2022532711 A JP2022532711 A JP 2022532711A JP WO2022013923 A1 JPWO2022013923 A1 JP WO2022013923A1
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JP
Japan
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.)
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Application number
JP2022532711A
Other versions
JP7118326B2 (ja
JPWO2022013923A5 (ja
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Publication of JPWO2022013923A1 publication Critical patent/JPWO2022013923A1/ja
Publication of JPWO2022013923A5 publication Critical patent/JPWO2022013923A5/ja
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Publication of JP7118326B2 publication Critical patent/JP7118326B2/ja
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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
    • H04L27/2602—Signal structure
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2022532711A 2020-07-13 2020-07-13 Ｏｆｄｍ変調装置、ｏｆｄｍ復調装置、ｏｆｄｍ通信システム、及びｏｆｄｍ通信方法 Active JP7118326B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/027269 WO2022013923A1 (ja) 2020-07-13 2020-07-13 Ｏｆｄｍ変調装置、ｏｆｄｍ復調装置、ｏｆｄｍ通信システム、及びｏｆｄｍ通信方法

Publications (3)

Publication Number Publication Date
JPWO2022013923A1 true JPWO2022013923A1 (ja) 2022-01-20
JPWO2022013923A5 JPWO2022013923A5 (ja) 2022-07-22
JP7118326B2 JP7118326B2 (ja) 2022-08-15

Family

ID=79555260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022532711A Active JP7118326B2 (ja) 2020-07-13 2020-07-13 Ｏｆｄｍ変調装置、ｏｆｄｍ復調装置、ｏｆｄｍ通信システム、及びｏｆｄｍ通信方法

Country Status (5)

Country Link
US (1) US11722344B2 (ja)
EP (1) EP4167537B1 (ja)
JP (1) JP7118326B2 (ja)
CN (1) CN115918039A (ja)
WO (1) WO2022013923A1 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008219502A (ja) * 2007-03-05 2008-09-18 Mitsubishi Electric Corp 電気的線路搬送通信方式
US20110038324A1 (en) * 2009-08-11 2011-02-17 Park Sungki System and method providing various pilot sub-carrier densities in ofdma communications
JP2016541221A (ja) * 2013-11-25 2016-12-28 エルジー エレクトロニクス インコーポレイティド 放送信号送信装置、放送信号受信装置、放送信号送信方法及び放送信号受信方法
JP2017525300A (ja) * 2014-08-07 2017-08-31 ワン メディア，エルエルシー 柔軟な直交周波数分割多重化の物理トランスポートデータフレームの動的な構成

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080320069A1 (en) * 2007-06-21 2008-12-25 Yi-Sheng Lin Variable length fft apparatus and method thereof
KR20090059315A (ko) * 2007-12-06 2009-06-11 삼성전자주식회사 통신시스템에서 역 고속 퓨리에 변환 방법 및 장치
JP6373634B2 (ja) 2014-04-30 2018-08-15 日本放送協会 送信装置、受信装置、チップ及びデジタル放送システム
JP2016184814A (ja) 2015-03-25 2016-10-20 アイホン株式会社 集合住宅インターホンシステム
KR20210110729A (ko) * 2016-09-30 2021-09-08 노키아 테크놀로지스 오와이 서브프레임 배열을 위한 장치 및 방법
WO2018093325A1 (en) * 2016-11-17 2018-05-24 Telefonaktiebolaget Lm Ericsson (Publ) Numerology-dependent downlink control channel mapping

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008219502A (ja) * 2007-03-05 2008-09-18 Mitsubishi Electric Corp 電気的線路搬送通信方式
US20110038324A1 (en) * 2009-08-11 2011-02-17 Park Sungki System and method providing various pilot sub-carrier densities in ofdma communications
JP2016541221A (ja) * 2013-11-25 2016-12-28 エルジー エレクトロニクス インコーポレイティド 放送信号送信装置、放送信号受信装置、放送信号送信方法及び放送信号受信方法
JP2017525300A (ja) * 2014-08-07 2017-08-31 ワン メディア，エルエルシー 柔軟な直交周波数分割多重化の物理トランスポートデータフレームの動的な構成

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KUO, JEN-CHIH ET AL.: "VLSI Design of a Variable-Length FFT/IFFT Processor for OFDM-Based Communication Systems", EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING, vol. 2003, JPN6020038834, 24 December 2003 (2003-12-24), pages 1306 - 1316, XP003013421, ISSN: 0004820284, DOI: 10.1155/S1110865703309060 *

Also Published As

Publication number Publication date
EP4167537A1 (en) 2023-04-19
CN115918039A (zh) 2023-04-04
EP4167537A4 (en) 2023-07-05
US20230052936A1 (en) 2023-02-16
JP7118326B2 (ja) 2022-08-15
US11722344B2 (en) 2023-08-08
EP4167537B1 (en) 2024-05-29
WO2022013923A1 (ja) 2022-01-20

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