WO2009069780A1 - 無線通信システム - Google Patents

無線通信システム Download PDF

Info

Publication number
WO2009069780A1
WO2009069780A1 PCT/JP2008/071722 JP2008071722W WO2009069780A1 WO 2009069780 A1 WO2009069780 A1 WO 2009069780A1 JP 2008071722 W JP2008071722 W JP 2008071722W WO 2009069780 A1 WO2009069780 A1 WO 2009069780A1
Authority
WO
WIPO (PCT)
Prior art keywords
wireless communication
communication system
scattering body
transmission
metamaterial
Prior art date
Application number
PCT/JP2008/071722
Other languages
English (en)
French (fr)
Inventor
Tamami Maruyama
Shinji Uebayashi
Tatsuo Furuno
Original Assignee
Ntt Docomo, Inc.
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 Ntt Docomo, Inc. filed Critical Ntt Docomo, Inc.
Priority to EP08853253A priority Critical patent/EP2226897A4/en
Priority to CN2008801185385A priority patent/CN101884137A/zh
Priority to KR1020107012194A priority patent/KR101156993B1/ko
Priority to US12/745,402 priority patent/US8649742B2/en
Publication of WO2009069780A1 publication Critical patent/WO2009069780A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H01Q3/46—Active lenses or reflecting arrays
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow

Abstract

本発明に係る無線通信システムは、送信側装置から一次放射された電波を、反射、屈折或いは透過によって二次放射するように構成されている散乱体を具備し、散乱体に、メタマテリアル材料を用いる。
PCT/JP2008/071722 2007-11-30 2008-11-28 無線通信システム WO2009069780A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08853253A EP2226897A4 (en) 2007-11-30 2008-11-28 WIRELESS COMMUNICATION SYSTEM
CN2008801185385A CN101884137A (zh) 2007-11-30 2008-11-28 无线通信系统
KR1020107012194A KR101156993B1 (ko) 2007-11-30 2008-11-28 무선 통신 시스템
US12/745,402 US8649742B2 (en) 2007-11-30 2008-11-28 Radio communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007311649 2007-11-30
JP2007-311649 2007-11-30
JP2008224182A JP5337432B2 (ja) 2007-11-30 2008-09-01 無線通信システム
JP2008-224182 2008-09-01

Publications (1)

Publication Number Publication Date
WO2009069780A1 true WO2009069780A1 (ja) 2009-06-04

Family

ID=40678669

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/071722 WO2009069780A1 (ja) 2007-11-30 2008-11-28 無線通信システム

Country Status (6)

Country Link
US (1) US8649742B2 (ja)
EP (1) EP2226897A4 (ja)
JP (1) JP5337432B2 (ja)
KR (1) KR101156993B1 (ja)
CN (1) CN101884137A (ja)
WO (1) WO2009069780A1 (ja)

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FR3069743B1 (fr) * 2017-07-28 2021-12-10 Greenerwave Point d'acces de reseau de communication, reseau de communication, et procede de communication sans fil
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US10978780B2 (en) 2018-01-24 2021-04-13 Samsung Electro-Mechanics Co., Ltd. Antenna apparatus and antenna module
US11088457B2 (en) 2018-02-26 2021-08-10 Silicon Valley Bank Waveguide antenna element based beam forming phased array antenna system for millimeter wave communication
US10637159B2 (en) 2018-02-26 2020-04-28 Movandi Corporation Waveguide antenna element-based beam forming phased array antenna system for millimeter wave communication
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WO2019208515A1 (ja) * 2018-04-27 2019-10-31 日本ゼオン株式会社 標示構造、並びに、路面標示、道路付属物および建造物
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JP2023106638A (ja) * 2020-05-29 2023-08-02 日本板硝子株式会社 通信システム
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WO2022239660A1 (ja) * 2021-05-13 2022-11-17 Ａｇｃ株式会社 リフレクタシステム、アクティブリフレクタ、及び、アクティブリフレクタの配置方法
KR102570467B1 (ko) * 2022-02-03 2023-08-25 한국과학기술원 등방성 전파 산란체 및 이를 포함하는 발사체

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022154022A1 (ja) * 2021-01-12 2022-07-21 電気興業株式会社 リフレクトアレー、リフレクトアレーの設計方法、および、リフレクトアレーシステム

Also Published As

Publication number Publication date
EP2226897A1 (en) 2010-09-08
KR20100090283A (ko) 2010-08-13
US20110045764A1 (en) 2011-02-24
JP5337432B2 (ja) 2013-11-06
KR101156993B1 (ko) 2012-06-20
EP2226897A4 (en) 2012-02-29
CN101884137A (zh) 2010-11-10
US8649742B2 (en) 2014-02-11
JP2009153095A (ja) 2009-07-09

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