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1. WO2020231077 - BASE STATION ANTENNA RADIATOR HAVING FUNCTION FOR SUPPRESSING UNWANTED RESONANCES

Publication Number WO/2020/231077
Publication Date 19.11.2020
International Application No. PCT/KR2020/006013
International Filing Date 07.05.2020
IPC
H01Q 1/24 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
12Supports; Mounting means
22by structural association with other equipment or articles
24with receiving set
H01Q 1/46 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
44using equipment having another main function to serve additionally as an antenna
46Electric supply lines or communication lines
H01Q 9/04 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
9Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
04Resonant antennas
H01Q 15/14 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
15Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
14Reflecting surfaces; Equivalent structures
CPC
H01Q 1/246
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
12Supports; Mounting means
22by structural association with other equipment or articles
24with receiving set
241used in mobile communications, e.g. GSM
246specially adapted for base stations
H01Q 1/46
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
44using equipment having another main function to serve additionally as an antenna ; , e.g. means for giving an antenna an aesthetic aspect
46Electric supply lines or communication lines
H01Q 15/14
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
15Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
14Reflecting surfaces; Equivalent structures
H01Q 9/0407
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
9Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
04Resonant antennas
0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
Applicants
  • 주식회사 에이스테크놀로지 ACE TECHNOLOGIES CORPORATION [KR]/[KR]
Inventors
  • 엥흐바야르바양뭉흐 ENKHBAYAR, Bayanmunkh
  • 김호용 KIM, Ho-Yong
  • 곽은혁 KWAK, Eun Hyuk
  • 태재훈 TAE, Jae Hoon
Agents
  • 민영준 MIN, Young Joon
Priority Data
10-2019-005472910.05.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) BASE STATION ANTENNA RADIATOR HAVING FUNCTION FOR SUPPRESSING UNWANTED RESONANCES
(FR) ÉLÉMENT RAYONNANT D'ANTENNE DE STATION DE BASE AYANT UNE FONCTION POUR SUPPRIMER DES RÉSONANCES INDÉSIRABLES
(KO) 불요 공진 억제 기능을 가지는 기지국 안테나 방사체
Abstract
(EN)
Provided is a base station antenna radiator having a function for suppressing unwanted resonances. The disclosed base station antenna radiator comprises: a first balun substrate which is placed so as to be perpendicular to a reflection plate, has formed on the upper surface thereof a feed line, a first C-coupling member spaced apart from the feed line, and a first inductive filter line connected to the first C-coupling member and having a narrower width than that of the first C-coupling member, and has formed on the lower surface thereof a third C-coupling member facing the first C-coupling member, and a third inductive filter line electrically connected to the first inductive filter line via a first via hole and connected to the third C-coupling member; a second balun substrate which is orthogonally coupled to the first balun substrate, is placed so as to be perpendicular to the reflection plate, and has a metal pattern formed thereon which is substantially the same as the metal pattern of the first balun substrate; and a radiation substrate which is disposed on the first balun substrate and the second balun substrate so as to be parallel with the reflection plate, and has at least one radiation patch formed on the upper surface thereof, wherein a terminal end of the first C-coupling member is electrically connected to the radiation patch, and a terminal end of the third C-coupling member is electrically connected to the reflection plate or an element having ground potential. The disclosed radiator has a merit of being capable of suppressing unwanted resonances in the base station antenna which is provided with both a low-frequency radiator and a high-frequency radiator.
(FR)
L'invention concerne un élément rayonnant d'antenne de station de base ayant une fonction pour supprimer des résonances indésirables. L'élément rayonnant d'antenne de station de base selon l'invention comprend : un premier substrat de symétriseur qui est placé de manière à être perpendiculaire à une plaque de réflexion, a formé sur sa surface supérieure une ligne d'alimentation, un premier élément de couplage en C espacé de la ligne d'alimentation, et une première ligne de filtre inductive connectée au premier élément de couplage en C et ayant une largeur plus étroite que celle du premier élément de couplage en C, et a formé sur sa surface inférieure un troisième élément de couplage en C faisant face au premier élément de couplage en C, et une troisième ligne de filtre inductive connectée électriquement à la première ligne de filtre inductive par l'intermédiaire d'un premier trou d'interconnexion et connectée au troisième élément de couplage en C ; un second substrat de symétriseur qui est couplé de façon orthogonale au premier substrat de symétriseur, est placé de manière à être perpendiculaire à la plaque de réflexion, et a un motif métallique formé sur celui-ci qui est sensiblement le même que le motif métallique du premier substrat de symétriseur ; et un substrat de rayonnement qui est disposé sur le premier substrat de symétriseur et le second substrat de symétriseur de façon à être parallèle à la plaque de réflexion, et au moins une plaque de rayonnement formée sur sa surface supérieure, une extrémité terminale du premier élément de couplage en C étant électriquement connectée à la plaque de rayonnement, et une extrémité de borne du troisième élément de couplage en C est électriquement connectée à la plaque de réflexion ou à un élément ayant un potentiel de masse. L'élément rayonnant de l'invention a un mérite d'être capable de supprimer des résonances indésirables dans l'antenne de station de base qui comporte à la fois un élément rayonnant basse fréquence et un élément rayonnant haute fréquence.
(KO)
불요 공진 억제 기능을 가지는 기지국 안테나 방사체가 제공된다. 개시된 기지국 안테나 방사체는, 상부면에 급전 선로, 상기 급전 선로와 이격되어 배치되는 제1 C-커플링 부재, 상기 제1 C-커플링 부재와 연결되고 상기 제1 C-커플링 부재에 비해 좁은 폭을 가지는 제1 인덕티브 필터 라인이 형성되며, 하부면에 상기 제1 C-커플링 부재에 대향하는 제3 C-커플링 부재 및 상기 제1 인덕티브 필터 라인과 제1 비아홀을 통해 전기적으로 연결되고 상기 제3 C-커플링 부재와 연결되는 제3 인덕티브 필터 라인이 형성되고 반사판에 대해 수직으로 놓여지는 제1 발룬 기판; 상기 제1 발룬 기판과 직교하여 결합되고 상기 반사판에 대해 수직으로 놓여지며 상기 제1 발룬 기판과 실질적으로 동일한 금속 패턴이 형성되는 제2 발룬 기판; 및 상기 제1 발룬 기판 및 상기 제2 발룬 기판상에 배치되어 상기 반사판에 대해 평행하게 놓여지며 상부면에 적어도 하나의 방사 패치가 형성되는 방사 기판을 포함하되, 상기 제1 C-커플링 부재의 종단은 상기 방사 패치와 전기적으로 연결되고, 상기 제3 C-커플링 부재의 종단은 상기 반사판 또는 접지 전위를 가지는 엘리먼트와 전기적으로 연결된다. 개시된 방사체는 저주파 방사체와 고주파 방사체가 함께 구비되는 기지국 안테나에서 불요 공진을 억제할 수 있는 장점이 있다.
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