WO2010068002A2 - Antenna using meta-material transmission line, and communication device using the antenna - Google Patents

Antenna using meta-material transmission line, and communication device using the antenna Download PDF

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Publication number
WO2010068002A2
WO2010068002A2 PCT/KR2009/007287 KR2009007287W WO2010068002A2 WO 2010068002 A2 WO2010068002 A2 WO 2010068002A2 KR 2009007287 W KR2009007287 W KR 2009007287W WO 2010068002 A2 WO2010068002 A2 WO 2010068002A2
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antenna
radiating element
present
transmission line
ground terminal
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PCT/KR2009/007287
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French (fr)
Korean (ko)
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WO2010068002A3 (en
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유병훈
성원모
김기호
지정근
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주식회사 이엠따블유
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Publication of WO2010068002A2 publication Critical patent/WO2010068002A2/en
Publication of WO2010068002A3 publication Critical patent/WO2010068002A3/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0086Devices 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364Creating multiple current paths
    • H01Q5/371Branching current paths
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/30Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Definitions

  • the present invention relates to an antenna system, and more particularly, to an antenna having a performance insensitive to the surrounding environment and a communication apparatus using the antenna.
  • antenna technology and antennas by various techniques such as a coaxial antenna, a rod antenna, a loop antenna, a beam antenna, and a super gain antenna are currently used.
  • the physical length is very small compared to the electrical length of the antenna, so that it is difficult to operate the antenna in a desired frequency band and may affect the antenna performance such as the radio wave reception distance according to the surrounding environment. Can be.
  • the present invention provides an antenna and a communication device for resonating without mutual influence in different frequency bands and for implementing performance of a characteristic insensitive to the surrounding environment.
  • the first radiating element that serves as a zero-order resonator; And a second radiating element serving as a primary resonator, wherein the second radiating element is branched from a feed terminal to operate as a stub of the first radiating element.
  • the first radiating element may be composed of a composite right / left handed (CRLH) metamaterial transmission line.
  • the first radiating element may be configured in at least one of an inverted L-type, an inverted F-type, a spiral, and a slot. .
  • the second radiating element plays a role of parallel inductance and capacitance with respect to the first radiating element.
  • the antenna according to the embodiment of the present invention may further include an inductor connected in series with the ground terminal.
  • the inductor may serve to adjust the impedance of the ground terminal.
  • a simpler and more efficient dual band antenna can be realized by coupling a stub with a radiating element serving as a zero-order resonator and configuring the stub to serve as a primary resonator.
  • an antenna having characteristics very insensitive to ground size and the surrounding environment by using a radiation element composed of a non-resonant transmission line.
  • 1 and 2 illustrate the structure of an antenna using a metamaterial transmission line according to an embodiment of the present invention.
  • FIG 3 is a diagram illustrating a Smith chart and standing wave ratio at resonance in the antenna of the present invention.
  • FIG. 4 is a diagram illustrating gain and variation amount for each frequency in a test printed circuit board and an actual communication device to which the antenna of the present invention is applied.
  • 1 and 2 illustrate the structure of an antenna using a metamaterial transmission line according to an embodiment of the present invention.
  • the antenna according to the present invention may include a first radiating element 120 serving as a zero order resonator and a second radiating element 130 serving as a primary resonator. .
  • the first radiating element 120 may be configured in the form of an inverted L-type, an inverted F-type, a spiral, a slot, and the like. .
  • the first radiating element 120 may be configured as a composite right / left handed (CRLH) metamaterial transmission line.
  • the CRLH metamaterial may mean a structure having characteristics of CRLH, which is a combination of right-handed (RH) and left-handed (LH), and the CRLH metamaterial transmission line is the CRLH metamaterial This may mean a transmission line type line based on the structure of.
  • the first radiating element 120 since the first radiating element 120 is composed of a CRLH metamaterial transmission line, the first radiating element 120 may be composed of a non-resonant, that is, zero-order resonant circuit.
  • the second radiating element 130 is composed of a transmission line branched from the feed terminal 140 and serves as a primary resonator.
  • the second radiating element 130 may operate as a stub for matching the impedance of the first radiating element 120.
  • the second radiating element 130 may operate as a stub of the first radiating element 120 by acting as parallel inductance and capacitance with respect to the first radiating element 120.
  • the second radiating element 130 branched from the feed terminal 140 serves as a primary resonant circuit at the same time as the stub of the first radiating element 120.
  • the antenna according to the present invention may be configured by connecting the inductor 160 in series after the ground terminal 150.
  • one end of the inductor 160 is connected to the ground terminal 150 and the other end is connected to the printed circuit board (PCB) 110 to serve as an impedance adjustment of the ground terminal 150.
  • PCB printed circuit board
  • an antenna having a uniform current distribution on the ground terminal 150 may be implemented.
  • the antenna implemented in the above structure can be used as an antenna of a communication device based on a wireless communication method.
  • FIG. 3 is a diagram illustrating a Smith chart and standing wave ratio at resonance in an antenna of the present invention
  • FIG. 4 is a frequency-specific gain in a test printed circuit board and an actual phone set to which the antenna of the present invention is applied. It is a figure which shows the amount of change.
  • the first radiating element 120 of the CRLH metamaterial structure serves as a zero-order resonator as in the present invention, a radiation pattern having characteristics very insensitive to ground size and the surrounding environment may be obtained during resonance. .
  • the present invention when the inductor 160 is connected in series for the purpose of impedance adjustment after the ground terminal 150, the present invention has a uniform current distribution on the ground terminal 150. It can be seen that the difference in frequency gain (change amount) is not large compared with the resonance result of the test printed circuit board at the time of resonance in the (phone set).
  • the present invention is different from each other by implementing an antenna including a first radiating element 120 serving as a zero order resonator in a CRLH metamaterial structure and a second radiating element 130 serving as a primary resonator in a stub structure.
  • the resonance frequency in the band can be adjusted efficiently.
  • the present invention can achieve an excellent propagation characteristic by minimizing the influence of the surrounding environment by implementing an antenna having a uniform current distribution through the inductor connected to the ground terminal side.

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Abstract

Disclosed are an antenna using a meta-material transmission line, and a communication device using the antenna. The antenna includes: a first radiating element that takes the role of a zeroth resonator; and a second radiating element that takes the role of a first resonator, wherein the second radiating element diverges from a feed terminal and operates as the stub of the first radiating element.

Description

메타머터리얼 전송선로를 이용한 안테나 및 상기 안테나를 이용한 통신장치Antenna using metamaterial transmission line and communication device using the antenna
본 발명은 안테나 시스템에 관한 것으로, 더욱 상세하게는 주변 환경에 대하여 둔감한 성능을 가지는 안테나 및 상기 안테나를 이용한 통신장치에 관한 것이다.The present invention relates to an antenna system, and more particularly, to an antenna having a performance insensitive to the surrounding environment and a communication apparatus using the antenna.
전자산업의 진보와 더불어 통신기술, 특히 무선 통신기술이 발달함에 따라 언제, 어디서나, 누구와도 음성 및 데이터 통신을 수행할 수 있는 다양한 휴대 단말기가 개발되어 보편화되고 있다.BACKGROUND With the advancement of the electronics industry, communication technologies, in particular, wireless communication technologies have been developed, and various portable terminals capable of performing voice and data communication with anyone, anytime, anywhere, have been developed.
또한, 휴대 단말기의 휴대성을 향상시키기 위하여 휴대 단말기의 소형화를 위한 다양한 기술, 예를 들어 고밀도 집적회로 소자의 개발, 전자 회로보드의 소형화 방법 등이 연구되고 있으며, 휴대 단말기를 사용하고자 하는 목적 또한 다양해짐에 따라 내비게이션용 단말기, 인터넷용 단말기 등 다양한 기능을 수행하는 단말기들이 개발되고 있다.In addition, in order to improve the portability of the portable terminal, various technologies for miniaturizing the portable terminal, for example, the development of a high density integrated circuit device, a miniaturization method of an electronic circuit board, and the like have been studied. As diverse, terminals for performing various functions such as navigation terminals and terminals for the Internet are being developed.
한편, 무선 통신기술에서 중요한 기술 중 하나는 안테나에 관한 기술이며, 현재 동축 안테나, 로드 안테나, 루프 안테나, 빔 안테나, 슈퍼게인 안테나 등 다양한 기법에 의한 안테나들이 사용되고 있다.Meanwhile, one of the important technologies in the wireless communication technology is an antenna technology, and antennas by various techniques such as a coaxial antenna, a rod antenna, a loop antenna, a beam antenna, and a super gain antenna are currently used.
특히, 휴대 단말기 등에 사용되는 초소형 안테나의 경우 안테나의 전기적 길이에 비해 물리적 길이가 매우 작기 때문에 원하는 주파수 대역에서 안테나를 동작시키기가 어려울 뿐 아니라, 주변 환경에 따라 전파수신거리 등 안테나 성능에 영향을 미칠 수 있다.In particular, in the case of a small antenna used in a portable terminal, the physical length is very small compared to the electrical length of the antenna, so that it is difficult to operate the antenna in a desired frequency band and may affect the antenna performance such as the radio wave reception distance according to the surrounding environment. Can be.
본 발명은 서로 다른 주파수 대역에서 상호 영향 없이 공진하고 주변 환경에 대하여 둔감한 특성의 성능을 구현하기 위한 안테나 및 통신장치를 제공한다.The present invention provides an antenna and a communication device for resonating without mutual influence in different frequency bands and for implementing performance of a characteristic insensitive to the surrounding environment.
본 발명의 일실시예에 따른 안테나는, 0차 공진기 역할을 하는 제1 방사 소자; 및, 1차 공진기 역할을 하는 제2 방사 소자를 포함하고, 상기 제2 방사 소자는, 급전 단자에서 분기되어 상기 제1 방사 소자의 스터브(stub)로 동작할 수 있다.An antenna according to an embodiment of the present invention, the first radiating element that serves as a zero-order resonator; And a second radiating element serving as a primary resonator, wherein the second radiating element is branched from a feed terminal to operate as a stub of the first radiating element.
여기서, 상기 제1 방사 소자는, CRLH(composite right/left handed) 메타머터리얼(metamaterial) 전송 선로로 구성될 수 있다.Here, the first radiating element may be composed of a composite right / left handed (CRLH) metamaterial transmission line.
또한, 상기 제1 방사 소자는, 역 L 형태(inverted L-type), 역 F 형태(inverted F-type), 나선(loop) 형태, 슬롯(slot) 형태 중 적어도 하나의 형식으로 구성될 수 있다.In addition, the first radiating element may be configured in at least one of an inverted L-type, an inverted F-type, a spiral, and a slot. .
또한, 상기 제2 방사 소자는, 상기 제1 방사 소자에 대하여 병렬 인덕턴스(inductance)와 커패시턴스(capacitance)의 역할을 한다.In addition, the second radiating element plays a role of parallel inductance and capacitance with respect to the first radiating element.
본 발명의 일실시예에 따른 안테나는, 접지 단자에 직렬로 연결되는 인덕터(inductor)를 더 포함하여 구성될 수 있다.The antenna according to the embodiment of the present invention may further include an inductor connected in series with the ground terminal.
여기서, 상기 인덕터는, 상기 접지 단자의 임피던스 조정 역할을 할 수 있다.Here, the inductor may serve to adjust the impedance of the ground terminal.
본 발명에 따르면, 0차 공진기 역할을 하는 방사 소자와 스터브를 커플링 시키고 스터브를 1차 공진기 역할을 하도록 구성함으로써 더욱 간단하고 효율적인 이중 대역의 안테나를 구현할 수 있다.According to the present invention, a simpler and more efficient dual band antenna can be realized by coupling a stub with a radiating element serving as a zero-order resonator and configuring the stub to serve as a primary resonator.
본 발명에 따르면, 비공진 전송선로로 구성된 방사 소자를 이용함으로써 그라운드 크기 및 주변 환경에 매우 둔감한 특성을 갖는 안테나를 구현할 수 있다.According to the present invention, it is possible to implement an antenna having characteristics very insensitive to ground size and the surrounding environment by using a radiation element composed of a non-resonant transmission line.
본 발명에 따르면, 그라운드 측에 균일한 전류 분포를 갖도록 설계함으로써 전자파 흡수율(SAR) 등에 더욱 유리한 안테나를 구현할 수 있다.According to the present invention, by designing a uniform current distribution on the ground side, it is possible to implement an antenna more advantageous to the electromagnetic wave absorption rate (SAR).
도 1과 도 2는 본 발명의 일실시예에 따른 메타머터리얼 전송선로를 이용한 안테나의 구조를 도시한 도면이다.1 and 2 illustrate the structure of an antenna using a metamaterial transmission line according to an embodiment of the present invention.
도 3은 본 발명의 안테나에서의 공진시 스미스 차트 및 정재파비를 도시한 도면이다.3 is a diagram illustrating a Smith chart and standing wave ratio at resonance in the antenna of the present invention.
도 4는 본 발명의 안테나를 적용한 테스트용 인쇄회로기판 및 실제 통신장치에서의 주파수 별 이득과 변화량을 도시한 도면이다.FIG. 4 is a diagram illustrating gain and variation amount for each frequency in a test printed circuit board and an actual communication device to which the antenna of the present invention is applied.
이하에서는, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명함으로써 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail by explaining preferred embodiments of the present invention with reference to the accompanying drawings.
도 1과 도 2는 본 발명의 일실시예에 따른 메타머터리얼 전송선로를 이용한 안테나의 구조를 도시한 도면이다.1 and 2 illustrate the structure of an antenna using a metamaterial transmission line according to an embodiment of the present invention.
도 1과 도 2를 참조하면, 본 발명에 따른 안테나는 0차 공진기 역할을 하는 제1 방사 소자(120)와, 1차 공진기 역할을 하는 제2 방사 소자(130)를 포함하여 구성할 수 있다.1 and 2, the antenna according to the present invention may include a first radiating element 120 serving as a zero order resonator and a second radiating element 130 serving as a primary resonator. .
이때, 상기 제1 방사 소자(120)는 역 L 형태(inverted L-type), 역 F 형태(inverted F-type), 나선(loop) 형태, 슬롯(slot) 형태 등의 형식으로 구성될 수 있다.In this case, the first radiating element 120 may be configured in the form of an inverted L-type, an inverted F-type, a spiral, a slot, and the like. .
또한, 상기 제1 방사 소자(120)는 CRLH(composite right/left handed) 메타머터리얼(metamaterial) 전송 선로로 구성될 수 있다.In addition, the first radiating element 120 may be configured as a composite right / left handed (CRLH) metamaterial transmission line.
여기서, 상기 CRLH 메타머터리얼은 RH(right-handed) 및 LH(left-handed)의 조합인 CRLH의 특성을 갖는 구조를 의미할 수 있으며, 상기 CRLH 메타머터리얼 전송 선로는 상기한 CRLH 메타머터리얼의 구조를 기반으로 한 전송선 방식의 선로를 의미할 수 있다.Here, the CRLH metamaterial may mean a structure having characteristics of CRLH, which is a combination of right-handed (RH) and left-handed (LH), and the CRLH metamaterial transmission line is the CRLH metamaterial This may mean a transmission line type line based on the structure of.
즉, 상기 제1 방사 소자(120)는 CRLH 메타머터리얼 전송선로로 구성되므로 비공진 즉, 0차 공진 회로로 구성될 수 있다.That is, since the first radiating element 120 is composed of a CRLH metamaterial transmission line, the first radiating element 120 may be composed of a non-resonant, that is, zero-order resonant circuit.
본 발명에서, 상기 제2 방사 소자(130)는 급전(feed) 단자(140)에서 분기된 전송 선로로 구성되고 1차 공진기 역할을 한다.In the present invention, the second radiating element 130 is composed of a transmission line branched from the feed terminal 140 and serves as a primary resonator.
특히, 상기 제2 방사 소자(130)는 상기 제1 방사 소자(120)의 임피던스(impedance)를 매칭시키는 스터브(stub)로 동작할 수 있다.In particular, the second radiating element 130 may operate as a stub for matching the impedance of the first radiating element 120.
상기 제2 방사 소자(130)는 상기 제1 방사 소자(120)에 대하여 병렬 인덕턴스(inductance)와 캐패시턴스(capacitance)의 역할을 함으로써 상기 제1 방사 소자(120)의 스터브로 동작할 수 있다.The second radiating element 130 may operate as a stub of the first radiating element 120 by acting as parallel inductance and capacitance with respect to the first radiating element 120.
다시 말해, 상기 급전 단자(140)에서 분기되어 구성된 제2 방사 소자(130)는 상기 제1 방사 소자(120)의 스터브 역할과 동시에 1차 공진 회로 역할을 한다.In other words, the second radiating element 130 branched from the feed terminal 140 serves as a primary resonant circuit at the same time as the stub of the first radiating element 120.
그리고, 본 발명에 따른 안테나는 접지(ground) 단자(150) 이후에 인덕터(160)를 직렬로 연결하여 구성할 수 있다.In addition, the antenna according to the present invention may be configured by connecting the inductor 160 in series after the ground terminal 150.
이때, 상기 인덕터(160)는 일단이 상기 접지 단자(150)와 연결되고 타단이 인쇄회로기판(PCB)(110)과 연결됨으로써 상기 접지 단자(150)의 임피던스 조정 역할을 할 수 있다.In this case, one end of the inductor 160 is connected to the ground terminal 150 and the other end is connected to the printed circuit board (PCB) 110 to serve as an impedance adjustment of the ground terminal 150.
즉, 상기 접지 단자(150)에 상기 인덕터(160)를 직렬로 연결 구성함으로써 상기 접지 단자(150) 측에 균일한 전류 분포를 가진 안테나를 구현할 수 있다.That is, by connecting the inductor 160 to the ground terminal 150 in series, an antenna having a uniform current distribution on the ground terminal 150 may be implemented.
상기한 구조로 구현된 안테나는 무선 통신방식을 기반으로 한 통신 장치의 안테나로 사용할 수 있다.The antenna implemented in the above structure can be used as an antenna of a communication device based on a wireless communication method.
도 3은 본 발명의 안테나에서의 공진시 스미스 차트 및 정재파비를 도시한 도면이고, 도 4는 본 발명의 안테나를 적용한 테스트용 인쇄회로기판 및 실제 통신장치(phone set)에서의 주파수 별 이득과 변화량을 도시한 도면이다.FIG. 3 is a diagram illustrating a Smith chart and standing wave ratio at resonance in an antenna of the present invention, and FIG. 4 is a frequency-specific gain in a test printed circuit board and an actual phone set to which the antenna of the present invention is applied. It is a figure which shows the amount of change.
도 3을 참조하면, 본 발명과 같이 CRLH 메타머터리얼 구조의 제1 방사 소자(120)가 0차 공진기 역할을 함으로써 공진시 그라운드 크기와 주변 환경에 매우 둔감한 특성을 갖는 방사 패턴을 얻을 수 있다.Referring to FIG. 3, since the first radiating element 120 of the CRLH metamaterial structure serves as a zero-order resonator as in the present invention, a radiation pattern having characteristics very insensitive to ground size and the surrounding environment may be obtained during resonance. .
도 4를 참조하면, 본 발명과 같이 상기 접지 단자(150) 이후에 임피던스 조정을 목적으로 인덕터(160)를 직렬로 연결할 경우 상기 접지 단자(150) 측에 균일한 전류 분포를 가지므로 실제 통신장치(phone set)에서의 공진시 테스트용 인쇄회로기판에서의 공진 결과와 비교할 때 주파수 별 이득의 차이(변화량)가 크지 않은 것을 알 수 있다.Referring to FIG. 4, when the inductor 160 is connected in series for the purpose of impedance adjustment after the ground terminal 150, the present invention has a uniform current distribution on the ground terminal 150. It can be seen that the difference in frequency gain (change amount) is not large compared with the resonance result of the test printed circuit board at the time of resonance in the (phone set).
따라서, 본 발명은 CRLH 메타머터리얼 구조로 0차 공진기 역할을 하는 제1 방사 소자(120)와 스터브의 구조로 1차 공진기 역할을 하는 제2 방사 소자(130)를 포함한 안테나를 구현함으로써 서로 다른 대역에서의 공진 주파수를 효율적으로 조정할 수 있다.Accordingly, the present invention is different from each other by implementing an antenna including a first radiating element 120 serving as a zero order resonator in a CRLH metamaterial structure and a second radiating element 130 serving as a primary resonator in a stub structure. The resonance frequency in the band can be adjusted efficiently.
또한, 본 발명은 접지 단자 측에 연결된 인덕터를 통해 균일한 전류 분포를 갖는 안테나를 구현함으로써 주변 환경의 영향을 최소화하여 우수한 전파 특성을 얻을 수 있다.In addition, the present invention can achieve an excellent propagation characteristic by minimizing the influence of the surrounding environment by implementing an antenna having a uniform current distribution through the inductor connected to the ground terminal side.
이상과 같이 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명은 상기의 실시예에 한정되는 것은 아니며, 본 발명이 속하는 분야에서 통상의 지식을 가진 자라면 이러한 기재로부터 다양한 수정 및 변형이 가능하다.As described above, although the present invention has been described with reference to limited embodiments and drawings, the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains various modifications and variations from such descriptions. This is possible.
그러므로, 본 발명의 범위는 설명된 실시예에 국한되어 정해져서는 아니되며, 후술하는 특허청구범위뿐 아니라 이 특허청구범위와 균등한 것들에 의해 정해져야 한다.Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by the equivalents of the claims.

Claims (8)

  1. 0차 공진기 역할을 하는 제1 방사 소자; 및,A first radiating element serving as a zero-order resonator; And,
    1차 공진기 역할을 하는 제2 방사 소자Second radiating element serving as a primary resonator
    를 포함하고,Including,
    상기 제2 방사 소자는,The second radiating element,
    급전 단자에서 분기되어 상기 제1 방사 소자의 스터브(stun)로 동작하는, 안테나.And branched from a feed terminal to operate as a stub of the first radiating element.
  2. 제1항에 있어서,The method of claim 1,
    상기 제1 방사 소자는,The first radiating element,
    CRLH(composite right/left handed) 메타머터리얼(metamaterial) 전송 선로로 구성되는, 안테나.An antenna, consisting of composite right / left handed (CRLH) metamaterial transmission lines.
  3. 제2항에 있어서,The method of claim 2,
    상기 제1 방사 소자는,The first radiating element,
    역 L 형태(inverted L-type), 역 F 형태(inverted F-type), 나선(loop) 형태, 슬롯(slot) 형태 중 적어도 하나의 형식으로 구성되는, 안테나.An antenna configured in at least one of an inverted L-type, an inverted F-type, a spiral form, and a slot form.
  4. 제1항에 있어서,The method of claim 1,
    상기 제2 방사 소자는,The second radiating element,
    상기 제1 방사 소자에 대하여 병렬 인덕턴스(inductance)와 커패시턴스(capacitance)의 역할을 하는, 안테나.An antenna serving as parallel inductance and capacitance for the first radiating element.
  5. 제1항에 있어서,The method of claim 1,
    접지 단자에 직렬로 연결되는 인덕터(inductor)Inductor connected in series with the ground terminal
    를 더 포함하는, 안테나.Further comprising, the antenna.
  6. 제5항에 있어서,The method of claim 5,
    상기 인덕터는,The inductor is,
    상기 접지 단자의 임피던스 조정 역할을 하는, 안테나.Antenna that serves to adjust the impedance of the ground terminal.
  7. 제5항에 있어서,The method of claim 5,
    상기 인덕터는,The inductor is,
    일단이 상기 접지 단자와 연결되고 타단이 인쇄회로기판(PCB)과 연결되는, 안테나.One end connected to the ground terminal and the other end connected to a printed circuit board (PCB).
  8. 제 1항 내지 제 7 항 중 어느 한 항의 안테나를 포함하는 통신장치.A communication device comprising the antenna of any one of claims 1 to 7.
PCT/KR2009/007287 2008-12-09 2009-12-08 Antenna using meta-material transmission line, and communication device using the antenna WO2010068002A2 (en)

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