EP2065974A1 - Mehrbandantenne für ein Lückenfüllsystem - Google Patents

Mehrbandantenne für ein Lückenfüllsystem Download PDF

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Publication number
EP2065974A1
EP2065974A1 EP08162139A EP08162139A EP2065974A1 EP 2065974 A1 EP2065974 A1 EP 2065974A1 EP 08162139 A EP08162139 A EP 08162139A EP 08162139 A EP08162139 A EP 08162139A EP 2065974 A1 EP2065974 A1 EP 2065974A1
Authority
EP
European Patent Office
Prior art keywords
patch
multiband antenna
frequency
patches
antenna
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.)
Ceased
Application number
EP08162139A
Other languages
English (en)
French (fr)
Inventor
Sung Min Han
Joon Gyu Ryu
Dae Ig Chang
Ho Jin Lee
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.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
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 Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Publication of EP2065974A1 publication Critical patent/EP2065974A1/de
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H01Q13/106—Microstrip slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements
    • H01Q5/385—Two or more parasitic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave

Definitions

  • the present invention relates to a multiband antenna of a gap filler system.
  • Satellite broadcasting or satellite communication may be received or communicated when a line of sight (LOS) condition is fulfillled.
  • LOS line of sight
  • DMB satellite digital multimedia broadcasting
  • a gap filler system using the gap filter technology functions as a small-output repeater station for receiving radio waves from a transmitter station and repeating the received radio waves such that broadcasting can be received in a blanket area where the radio waves are intercepted by tall buildings under the satellite broadcasting or mobile communication condition.
  • a small-output repeater station is installed on the roof of a building and thereby repeats the radio waves that are output by a terrestrial transmitter station or a satellite so that a moving object may receive a high quality of sound signals in the blanket area by using the characteristic of orthogonal frequency division multiplexing (OFDM) of the multi-carrier modulation system.
  • the gap filler system uses a Yagi antenna, a multilayer antenna, and a patch array antenna for amplifying signals within a single frequency bandwidth.
  • the at least one antenna used for the gap filler system is restricted to satellite broadcasting, it performs transmission through amplification of received signals or conversion of frequencies in a single direction and has no concept of bi-directional communication, and hence cannot be used for the bi-directional satellite communication environment.
  • the present invention has been made in an effort to provide a multiband antenna for bi-directional communication.
  • An exemplary embodiment of the present invention provides a multiband antenna including a dielectric material, and a plurality of patches arranged on the dielectric material, wherein a slot is formed between two adjacent patches from among the plurality of patches, and the number of output frequency bandwidths corresponds to the number of slots.
  • a multiband antenna including a dielectric material, a first patch formed on the dielectric material and including a feeding point, and a second patch formed on the dielectric material and surrounding the first patch, wherein a slot is formed between the first patch and the second patch.
  • FIG. 1 and FIG. 2 a gap filler system according to an exemplary embodiment of the present invention will now be described.
  • FIG. 1 is a schematic diagram of a gap filler system and a terminal according to an exemplary embodiment of the present invention
  • FIG. 2 is a frequency bandwidth used for a gap filler system shown in FIG. 1 .
  • a gap filler system 100 a terminal 200 communicating with a gap filler system 100, and a user terminal 300 connected to the gap filler system.
  • the gap filler system 100 includes a multiband antenna 110 for receiving signals, for example satellite communication signals of the Ka band (about 20-30GHz) or broadcasting signals of the Ku band (about 12-18GHz).
  • the gap filler system 100 is fixedly installed in the wide non-LOS environment such as a subway, tunnel, and mountain, etc., it changes frequency of the transmitted signal and it transmits the resultant signal to the terminal 200.
  • the gap filler system 100 changes the received satellite communication signals or the received broadcasting signals into the industrial scientific medical (IMS) bandwidth shown in FIG. 2 , and transmits the changed signals to the terminal 200.
  • the ISM bandwidth shown in FIG. 2 includes a first frequency bandwidth (about 2455-2477MHz), a second frequency bandwidth (about 5732-5768MHz), and a third frequency bandwidth (about 5814-5850MHz).
  • the first to third frequency bandwidths changed in the gap filler system 100 according to the exemplary embodiment of the present invention are frequency bandwidths from about 2.4GHz to about 5.85GHz among the ISM bandwidth.
  • the frequency bandwidths are set for testing the multiband antenna 110, but are limited thereto. That is, The first to third frequency bandwidths changed in the gap filler system 100can be set to other values according to the frequency bandwidth generated in the multiband antenna 110.
  • the terminal 200 is installed in a vehicle such as a car or a train, it transmits signals such as the satellite communication signals or the broadcasting signals from the gap filler system 100 to a service user 300, and it includes an antenna 210 for transmitting/receiving the signals.
  • the user terminal 300 includes a notebook computer 310, a personal digital assistant (PDA) 320, and a multimedia terminal 330 that are available for the wireless local area network (WLAN) and the wireless broadband Internet (Wibro), it receives the satellite communication signals or the broadcasting signals from the terminal 200, and it uses various services including wireless Internet, mobile games, video education, and tourist information.
  • PDA personal digital assistant
  • multimedia terminal 330 that are available for the wireless local area network (WLAN) and the wireless broadband Internet (Wibro), it receives the satellite communication signals or the broadcasting signals from the terminal 200, and it uses various services including wireless Internet, mobile games, video education, and tourist information.
  • WLAN wireless local area network
  • Wibro wireless broadband Internet
  • a dual band antenna 110 of a gap filler system according to an exemplary embodiment of the present invention will now be described.
  • FIG. 3 shows a dual band antenna among multiband antennas according to an exemplary embodiment of the present invention
  • FIG. 4A shows a structure of a general single band antenna
  • FIG. 4B to FIG. 4D show structures of a multiband antenna according to an exemplary embodiment of the present invention
  • FIG. 5A and FIG. 5B show linear polarization of a multiband antenna according to an exemplary embodiment of the present invention
  • FIG. 6A to 6d show circular polarization of a multiband antenna according to an exemplary embodiment of the present invention.
  • the multiband antenna 110 is a multiband antenna having a single feeding point, and its basic form is similar to a microstrip or a dielectric material patch antenna.
  • a dual band antenna from among the multiband antennas 110 includes a dielectric material 111, a feeding point 112, patches 113 and 114, a slot 115, and a ground voltage (not shown).
  • the patches 113 and 114 are separately arranged on the dielectric material 111, and the patch 114 surrounds the patch 113.
  • a portion of the dielectric material 111 exposed between the patch 113 and the patch 114 functions as a slot 115.
  • the slot 115 functions a capacitor.
  • the patch 113 includes the feeding point 112.
  • the patch 113 when a signal for configuring a high frequency bandwidth is transmitted to the feeding point 112, the patch 113 is resonated with a high frequency.
  • the signal is resonated by the patch 113 and the resonated signal is transmitted to the patch 114 through the slot 115 functioning as a capacitor.
  • the patches 113 and 114 are resonated to form a signal with a low frequency based on the coupling signal.
  • the number of slots 115 formed on the dielectric material 111 is defined by the frequency bandwidths for forming, as shown in FIG. 4A to FIG. 4D .
  • FIG. 4A shows a single band antenna that dose not have a slot.
  • the single band antenna includes a patch 113 formed on a dielectric material (not shown) and a feeding point 112a formed on the patch 113a. As described, the single band antenna forms a single frequency band, and hence, no slot is formed.
  • FIG. 4B shows a dual band antenna having two patches 113b and 114b and a slot 115b which is formed between the two patches 113b and 114b, and thereby forms two frequency bandwidths.
  • FIG. 4C shows a triple band antenna having three patches 113c, 114c, and 116c and two slots 115c and 117c, and thereby forms three frequency bandwidths.
  • One slot 115c is formed between the patches 113c and 114c and another slot 117c is formed between the patches 114c and 116c.
  • FIG. 4D shows a quad band antenna having four patches 113d, 114d, 116d, and 118d and three slots 115d, 117d, and 119d, and thereby forms four frequency bandwidths.
  • the slot 115d is formed between the patches 113d and 114d
  • the slot 117d is formed between the patches 114d and 116d
  • the slot 119d is formed between the patches 116d and 118d.
  • the number of patches for resonating increases. For example, when a signal for forming the highest frequency bandwidth is transmitted, only the patch 113c or 113d is resonated, and when a signal for forming the lowest frequency bandwidth is transmitted, the patches 113c, 114c, and 116 or 113d, 114d, 116d, and 118d are resonated.
  • the magnitude of the resonated frequency decreases.
  • the largest frequency is resonated by the patch 113b, 113c, or 113d
  • the smallest frequency is resonated by the patch 114b, 116c, or 118d.
  • the multiband antenna according to the exemplary embodiment of the present invention forms the number of slots that is less than that of the frequency bandwidths to be formed by 1.
  • the size of the antenna can be reduced.
  • the patch 113b of the dual band antenna is formed to be smaller than the patch 113a of the single band antenna even considering the size of the slot 115b and the permittivity of the dielectric material provided between the ground voltage and the patches.
  • the multiband antenna 110 is the dual band antenna, the triple band antenna, or the quad band antenna, as shown in FIGs. 4B to 4D .
  • the gap filler system 100 may include the multiband antenna for forming frequency bandwidths greater than the quad band antenna according to the used signal.
  • the multiband antenna 110 controls frequency generation of the multiband by controlling the signal that is transmitted to the feeding point 112 or 112a-112d.
  • the propagation of the multiband antenna 110 is determined by the shape of the patches.
  • linear polarization and vertical polarization can be formed when the feeding point 112a' is formed out of the origin on the vertical axis passing through the center of the rectangle patch 113a'.
  • linear polarization and horizontal polarization can be formed when the feeding point 112b' is formed out of the origin on the horizontal axis passing through the center of the rectangle patch 113b'.
  • right-hand circular polarization or left-hand circular polarization of the circular polarization can be formed when the feeding points 112c' and 112d' are formed out of the origin on the vertical line passing through the center of the square patches 113c' and 113d' with two edges cut off, respectively.
  • the right-hand circular polarization and the left-hand circular polarization of the circular polarization can be formed when the feeding points 112e' and 112f are formed on the diagonal of the squared patches 113e' and 113f, respectively,
  • the multiband antenna according to the exemplary embodiment of the present invention transmits/receives the multiband frequency in the bi-directional manner by using the feeding point.
  • a multiband frequency is generated by adding a slot depending on the frequency bandwidth for changing or generating a patch form of a multiband antenna, and a plurality of systems requiring the multiband is combined by applying the present invention to linear polarization and circular polarization.
  • the multiband antenna can generate a multi-frequency bandwidth when a slot corresponding to the frequency bandwidth is added or the shape of the patch is changed, and it is easily applied to the linear polarization and circular polarization to be thus used for various systems requiring multibands.
  • the multiband antenna according to the exemplary embodiment of the present invention is realized as a microstrip antenna to thus allow mass production, and it allows down-sizing and a smaller weight by reducing the size to be less than that of a single band antenna.
  • the above-described embodiments can be realized through a program for realizing functions corresponding to the configuration of the embodiments or a recording medium for recording the program in addition to through the above-described device and/or method, which is easily realized by a person skilled in the art.

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  • Waveguide Aerials (AREA)
EP08162139A 2007-11-20 2008-08-11 Mehrbandantenne für ein Lückenfüllsystem Ceased EP2065974A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070118298A KR100952979B1 (ko) 2007-11-20 2007-11-20 갭필러 시스템에서의 다중 대역 안테나

Publications (1)

Publication Number Publication Date
EP2065974A1 true EP2065974A1 (de) 2009-06-03

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Family Applications (1)

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EP08162139A Ceased EP2065974A1 (de) 2007-11-20 2008-08-11 Mehrbandantenne für ein Lückenfüllsystem

Country Status (2)

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EP (1) EP2065974A1 (de)
KR (1) KR100952979B1 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102386487A (zh) * 2010-08-31 2012-03-21 现代自动车株式会社 同时产生线偏振波和圆偏振波的贴片天线及其制造方法
CN103199336A (zh) * 2012-12-24 2013-07-10 厦门大学 应用于北斗系统的双框带切口四桥跨接微带天线
CN103746184A (zh) * 2014-01-20 2014-04-23 厦门大学 电下倾宽带贴片天线
CN103972655A (zh) * 2013-01-25 2014-08-06 启碁科技股份有限公司 可切换极化的微带天线收发器
DE102013222139A1 (de) * 2013-10-30 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Planare Mehrfrequenzantenne
CN104901005A (zh) * 2015-06-11 2015-09-09 广东工业大学 小型化双频宽带圆极化贴片天线
JP2016163185A (ja) * 2015-03-02 2016-09-05 東芝テック株式会社 アンテナ及びアンテナの偏波切替方法
US9742068B2 (en) 2013-01-21 2017-08-22 Wistron Neweb Corporation Microstrip antenna transceiver
JP2017188925A (ja) * 2017-05-25 2017-10-12 東芝テック株式会社 アンテナ及びアンテナの偏波切替方法
CN112510339A (zh) * 2020-12-22 2021-03-16 华南理工大学 一种高选择性增益的双极化滤波贴片天线
CN114976621A (zh) * 2022-07-04 2022-08-30 安徽大学 一种高增益双贴片圆极化滤波天线及设计方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112016004889B4 (de) * 2015-10-26 2021-11-25 Amotech Co., Ltd. Multiband-patchantennenmodul
KR102501633B1 (ko) * 2021-08-11 2023-02-21 경기대학교 산학협력단 다중 대역 안테나

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US5880695A (en) * 1998-02-05 1999-03-09 Astron Corporation Antenna system for wireless comunication systems
JPH11150415A (ja) * 1997-11-17 1999-06-02 Toshiba Corp 多周波アンテナ
US20010055948A1 (en) * 1999-10-15 2001-12-27 Tdk Corporation Broadcasting receiving apparatus
EP1657784A2 (de) * 2004-11-10 2006-05-17 Delphi Technologies, Inc. Integrierte GPS und SDARS Antenne
US20060103576A1 (en) * 2004-11-12 2006-05-18 The Mitre Corporation System for co-planar dual-band micro-strip patch antenna
WO2006131837A1 (en) * 2005-06-06 2006-12-14 Receptec Holdings Llc Single-feed multi-frequency multi-polarization antenna
WO2007060782A1 (ja) * 2005-11-24 2007-05-31 National University Corporation Saitama University 多周波共用マイクロストリップアンテナ

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JP3517021B2 (ja) * 1995-04-20 2004-04-05 株式会社日立国際電気 偏波共用平面アンテナ
JP2000269724A (ja) * 1999-03-15 2000-09-29 Sharp Corp 多重ループアンテナ
KR200377493Y1 (ko) * 2004-12-03 2005-03-11 주식회사 이엠따블유안테나 커플링 급전을 이용한 원편파 안테나

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11150415A (ja) * 1997-11-17 1999-06-02 Toshiba Corp 多周波アンテナ
US5880695A (en) * 1998-02-05 1999-03-09 Astron Corporation Antenna system for wireless comunication systems
US20010055948A1 (en) * 1999-10-15 2001-12-27 Tdk Corporation Broadcasting receiving apparatus
EP1657784A2 (de) * 2004-11-10 2006-05-17 Delphi Technologies, Inc. Integrierte GPS und SDARS Antenne
US20060103576A1 (en) * 2004-11-12 2006-05-18 The Mitre Corporation System for co-planar dual-band micro-strip patch antenna
WO2006131837A1 (en) * 2005-06-06 2006-12-14 Receptec Holdings Llc Single-feed multi-frequency multi-polarization antenna
WO2007060782A1 (ja) * 2005-11-24 2007-05-31 National University Corporation Saitama University 多周波共用マイクロストリップアンテナ

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102386487A (zh) * 2010-08-31 2012-03-21 现代自动车株式会社 同时产生线偏振波和圆偏振波的贴片天线及其制造方法
CN103199336A (zh) * 2012-12-24 2013-07-10 厦门大学 应用于北斗系统的双框带切口四桥跨接微带天线
US9742068B2 (en) 2013-01-21 2017-08-22 Wistron Neweb Corporation Microstrip antenna transceiver
CN103972655B (zh) * 2013-01-25 2016-09-28 启碁科技股份有限公司 可切换极化的微带天线收发器
CN103972655A (zh) * 2013-01-25 2014-08-06 启碁科技股份有限公司 可切换极化的微带天线收发器
DE102013222139A1 (de) * 2013-10-30 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Planare Mehrfrequenzantenne
CN103746184A (zh) * 2014-01-20 2014-04-23 厦门大学 电下倾宽带贴片天线
JP2016163185A (ja) * 2015-03-02 2016-09-05 東芝テック株式会社 アンテナ及びアンテナの偏波切替方法
CN104901005A (zh) * 2015-06-11 2015-09-09 广东工业大学 小型化双频宽带圆极化贴片天线
CN104901005B (zh) * 2015-06-11 2018-02-16 广东工业大学 小型化双频宽带圆极化贴片天线
JP2017188925A (ja) * 2017-05-25 2017-10-12 東芝テック株式会社 アンテナ及びアンテナの偏波切替方法
CN112510339A (zh) * 2020-12-22 2021-03-16 华南理工大学 一种高选择性增益的双极化滤波贴片天线
CN114976621A (zh) * 2022-07-04 2022-08-30 安徽大学 一种高增益双贴片圆极化滤波天线及设计方法

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Publication number Publication date
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KR20090051866A (ko) 2009-05-25

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