JPWO2021157028A1 - - Google Patents

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Publication number
JPWO2021157028A1
JPWO2021157028A1 JP2021575201A JP2021575201A JPWO2021157028A1 JP WO2021157028 A1 JPWO2021157028 A1 JP WO2021157028A1 JP 2021575201 A JP2021575201 A JP 2021575201A JP 2021575201 A JP2021575201 A JP 2021575201A JP WO2021157028 A1 JPWO2021157028 A1 JP WO2021157028A1
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JP
Japan
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Application number
JP2021575201A
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JP7328584B2 (ja
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Publication of JPWO2021157028A1 publication Critical patent/JPWO2021157028A1/ja
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Publication of JP7328584B2 publication Critical patent/JP7328584B2/ja
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/145—Passive relay systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
JP2021575201A 2020-02-06 2020-02-06 無給電中継装置および無給電中継方法 Active JP7328584B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/004630 WO2021157028A1 (ja) 2020-02-06 2020-02-06 無給電中継装置および無給電中継方法

Publications (2)

Publication Number Publication Date
JPWO2021157028A1 true JPWO2021157028A1 (ja) 2021-08-12
JP7328584B2 JP7328584B2 (ja) 2023-08-17

Family

ID=77200578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021575201A Active JP7328584B2 (ja) 2020-02-06 2020-02-06 無給電中継装置および無給電中継方法

Country Status (3)

Country Link
US (1) US20230114389A1 (ja)
JP (1) JP7328584B2 (ja)
WO (1) WO2021157028A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020144533A (ja) * 2019-03-05 2020-09-10 日本電信電話株式会社 通信システム、通信方法、端末装置、及びプログラム
JP7397774B2 (ja) * 2020-08-06 2023-12-13 日本電信電話株式会社 無給電中継装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1166484A (ja) * 1997-08-08 1999-03-09 Kubota Corp マンホール蓋アンテナ装置及び通信システム
JP2000068912A (ja) * 1998-08-17 2000-03-03 Nec Corp 移動通信システムと無線中継器
JP2002368665A (ja) * 2001-06-04 2002-12-20 Toshiba Corp パッシブアンテナ式通信システム
JP2003342966A (ja) * 2002-05-28 2003-12-03 Mitsubishi Electric Corp 無線通信用マンホール蓋、無線通信データ収集装置およびデータ収集システム
JP2004072154A (ja) * 2002-08-01 2004-03-04 Omunitekku:Kk 無給電中継装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1166484A (ja) * 1997-08-08 1999-03-09 Kubota Corp マンホール蓋アンテナ装置及び通信システム
JP2000068912A (ja) * 1998-08-17 2000-03-03 Nec Corp 移動通信システムと無線中継器
JP2002368665A (ja) * 2001-06-04 2002-12-20 Toshiba Corp パッシブアンテナ式通信システム
JP2003342966A (ja) * 2002-05-28 2003-12-03 Mitsubishi Electric Corp 無線通信用マンホール蓋、無線通信データ収集装置およびデータ収集システム
JP2004072154A (ja) * 2002-08-01 2004-03-04 Omunitekku:Kk 無給電中継装置

Also Published As

Publication number Publication date
US20230114389A1 (en) 2023-04-13
WO2021157028A1 (ja) 2021-08-12
JP7328584B2 (ja) 2023-08-17

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