KR101758300B1 - multistage antenna system - Google Patents

multistage antenna system Download PDF

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Publication number
KR101758300B1
KR101758300B1 KR1020160028639A KR20160028639A KR101758300B1 KR 101758300 B1 KR101758300 B1 KR 101758300B1 KR 1020160028639 A KR1020160028639 A KR 1020160028639A KR 20160028639 A KR20160028639 A KR 20160028639A KR 101758300 B1 KR101758300 B1 KR 101758300B1
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KR
South Korea
Prior art keywords
antenna
distributor
signal
feed port
outputs
Prior art date
Application number
KR1020160028639A
Other languages
Korean (ko)
Inventor
정재학
Original Assignee
(주)에이엠플러스
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 (주)에이엠플러스 filed Critical (주)에이엠플러스
Priority to KR1020160028639A priority Critical patent/KR101758300B1/en
Priority to PCT/KR2017/001322 priority patent/WO2017155213A1/en
Application granted granted Critical
Publication of KR101758300B1 publication Critical patent/KR101758300B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H01Q1/46—Electric supply lines or communication lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/32—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being end-fed and elongated

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  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

The present invention relates to a multi-stage antenna system, and an object thereof is to provide an antenna apparatus which can simplify the structure of a communication network in installation of an antenna and can easily maintain the installed communication network and a multi-stage antenna system using the same. The antenna device according to the present invention includes a distributor having a plurality of outputs connected to a feed port and a feed port, an antenna element connected to the other one of the outputs of the distributor to emit a signal, And a distribution port connected to distribute a part of the signal applied from the feed port to the outside.

Description

[0002] Multistage antenna systems [0003]

The present invention relates to an antenna apparatus and a multi-stage antenna system using the same, and more particularly, to an antenna apparatus and a multi-stage antenna system using the same, which do not require the installation of a distributor for separate distribution through an antenna apparatus having a distributor.

As mobile communication terminals become popular, a small omnidirectional omnidirectional antenna that can be mounted on a ceiling or a wall of a building or an underground facility is provided for expanding services and eliminating shadow areas.

Korean Patent No. 10-1523026 discloses "Multi-band Omni Antenna ".

The disclosed omnidirectional antenna includes a radiating element formed by a metal bent plate, a reflector spaced apart from a lower portion of the radiating element, and a feed connector connected to the feeder of the radiating element to supply power to the radiating element, The radiating element portion is a patch extended to at least one side of the feeding portion and the feeding portion which form the center of the metal bending plate and is not overlapped with the patch of the high frequency radiating element formed upwardly and the high frequency radiating element of the feeding portion And includes a low frequency radiating element which is bent upward and formed into a 'C' shape including a feeding part, and whose upper horizontal portion is located close to the upper side of the high frequency radiating element.

As the number of mobile communication subscribers and the amount of data increases, the communication network becomes more complicated and new communication networks are constantly installed in the building due to the emergence of various services.

When a communication network is installed through the disclosed omnidirectional antenna, a plurality of omnidirectional antennas are installed at desired positions by configuring a separate distributor in multiple stages.

Such a distributor is installed in the ceiling and has a complicated structure, so that it is difficult to locate the distributor from the outside when replacing due to defective distributor.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an antenna device that can simplify the structure of a communication network in installing an antenna and can easily maintain the installed communication network and a multi-stage antenna system using the same.

The antenna device according to the present invention includes a feed port, a splitter connected to the feed port, the splitter having a plurality of outputs through the feed port, an antenna element coupled to one of the outputs of the splitter, And a distribution port connected to the other of the plurality of feed ports to distribute a part of the signal applied from the feed port to the outside.

In the antenna apparatus according to the present invention, the distributor is formed of a printed circuit board.

In the antenna apparatus according to the present invention, the distributor is composed of two outputs, and a ratio of a signal supplied to the antenna element and a signal supplied to the distribution port is 3 to 5: 5 to 7.

In the antenna apparatus according to the present invention, the feed port and the distribution port are arranged parallel to each other.

A multi-stage antenna system according to the present invention includes a signal supplier for supplying a signal, a multi-stage connection from the signal supplier, a feeder port, a distributor connected to the feeder port and having a plurality of outputs through the feeder port, And a distribution port connected to the other one of the outputs of the distributor and distributing a part of a signal applied from the feed port to the outside, .

In the multi-stage antenna system according to the present invention, the distribution port supplies a signal to a feed port of an adjacent antenna device.

In the multi-stage antenna system according to the present invention, an auxiliary antenna device, which is connected to an antenna device located at the farthest end of the plurality of antenna devices, and includes an auxiliary power feeding port and an auxiliary antenna element connected to the auxiliary power feeding port, And further comprising:

A multi-stage antenna system according to the present invention includes a distributor having a plurality of outputs connected to a feed port and a feed port, an output terminal connected to one of the outputs of the distributor and an antenna element for outputting a signal, And a distribution port for distributing a part of the signal applied from the feed port to the outside, so that it is not necessary to construct a separate distributor to install the communication network, and the structure is simple, and the distributor is built in the antenna device, Do.

Accordingly, in the multi-stage antenna system according to the present invention, cables for connecting the distributor, the distributor, the distributor and the antenna can be saved, and the cable laying path can be efficiently selected.

1 is a diagram illustrating a configuration of a multi-stage antenna system according to an embodiment of the present invention.
2 is a perspective view of an antenna device according to an embodiment of the present invention.
3 is a side view of the antenna device according to the embodiment of the present invention.
4 is a perspective view illustrating an internal configuration of an antenna device according to an embodiment of the present invention.
5 is a side view of an internal configuration of an antenna device according to an embodiment of the present invention.

In the following description, only parts necessary for understanding the embodiments of the present invention will be described, and the description of other parts will be omitted so as not to obscure the gist of the present invention.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor is not limited to the meaning of the terms in order to describe his invention in the best way. It should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention, so that various equivalents And variations are possible.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a configuration of a multi-stage antenna system according to an embodiment of the present invention.

Referring to FIG. 1, a multi-stage antenna system according to an embodiment of the present invention includes a signal supply unit and a plurality of antenna units, and may further include an auxiliary antenna unit.

The signal supplying unit 200 is connected to the base station and can receive an RF signal for providing mobile communication service from the base station and supply it to the antenna device 100.

Here, the signal supplying unit 200 may provide an RF signal to the antenna device 100 through a coaxial cable. For example, when the signal supply unit 200 is a high-rise building, the signal supply unit 200 may be a repeater installed on each side.

Here, the signal supply unit 200 according to the present embodiment is connected to the nearest antenna apparatus 100 with only one cable. That is, the signal supply unit 200 does not distribute the signals directly to the plurality of antenna apparatuses 100 to 100 + n through a separate distributor and a combination of cables, and transmits signals to the nearest antenna apparatus 100 with only one cable Supply.

The plurality of antenna apparatuses 100 to 100 + n may be connected in multiple stages from the signal supply unit 200.

The plurality of antenna apparatuses 100 to 100 + n includes an antenna element 40 and a distributor 30. That is, the plurality of antenna apparatuses 100 to 100 + n receive signals from the signal supplying unit 200, supply a part of signals to the antenna element 40 through the distributor 30, Can supply.

Accordingly, the plurality of antenna apparatuses 100 to 100 + n according to the embodiment of the present invention can transmit a plurality of antenna apparatuses 100 to 100 + n through cables without using a separate distributor and a cable, It is possible to configure the communication network only by connecting in multiple stages.

The auxiliary antenna device 300 is connected to the antenna device located at the farthest end of the plurality of antenna devices 100 to 100 + n. The auxiliary antenna device 300 may include a supplementary feed port (not shown) and a supplementary antenna element. That is, since the auxiliary antenna apparatus 300 is located at the farthest end of the plurality of antenna apparatuses 100 to 100 + n, the auxiliary antenna apparatus 300 is not provided with a distributor for distributing a signal, but is constituted only by auxiliary antenna elements.

As described above, since the multi-stage antenna system 400 according to the embodiment of the present invention can install a communication network only through cables through a plurality of antenna apparatuses 100 to 100 + n in which the distributor 30 is built, So that it is not necessary to install a communication network, so that the structure is simple and maintenance can be facilitated.

Accordingly, in the multi-stage antenna system 400 according to the embodiment of the present invention, a cable connecting the distributor, the distributor, the distributor, and the antenna device can be saved, and the cable installation path can be efficiently selected.

Also, the multi-stage antenna system 400 can configure the communication network compactly by providing the auxiliary antenna device 300 at the terminal end of the antenna devices 100 to 100 + n.

Hereinafter, the antenna device 100 according to the embodiment of the present invention will be described in more detail.

FIG. 2 is a perspective view of an antenna device according to an embodiment of the present invention, FIG. 3 is a side view of the antenna device according to an embodiment of the present invention, FIG. FIG. 5 is a side view of an internal configuration of an antenna device according to an embodiment of the present invention. FIG.

1 to 5, an antenna device 100 according to an embodiment of the present invention includes a feed port 20, a distributor 30, an antenna element 40, and a distribution port 50.

First, the feed port 20 is connected to the signal supply unit 200 through a cable, and the signal is supplied from the signal supply unit 200 to the distributor 30. The outer diameter of the feed port 20 is threaded and may be fixed to a ceiling bracket through a separate nut member (not shown).

Also, the feed port 20 may be disposed perpendicularly to the reflector 10. Here, the reflector 10 is disposed horizontally with respect to a ceiling or a wall to be installed, and reflects a signal radiated from the antenna element 40 toward a ceiling or a wall surface, thereby increasing the efficiency of the antenna device 100.

 The distributor (30) receives the signal input from the feed port (20) and distributes it to a plurality of signals. The distributor 30 may be a printed circuit board. That is, the distributor 30 may be constituted by a circuit having a plurality of outputs, with the feed port 20 being input on the substrate.

Here, the distributor 30 may be configured to have two outputs. At this time, one of the outputs of the distributor 30 may be supplied to the antenna element 40, and the remaining output may be supplied to the distribution port 50. Here, the distributor 30 may output 3 to 5: 5 to 7 power to each output. That is, the distributor 20 may have a ratio of a signal supplied to the antenna element 40 to a signal supplied to the distribution port 50 of 3 to 5: 5 to 7.

This distributor 30 may be arranged to be perpendicular to the feed port 20 in the form of a substrate. That is, the distributor 30 may be attached to the lower side of the reflector, and the feed port 20 and the distributing port 50 may be respectively connected to the input or output of the distributor 30 through the reflector.

The antenna element 40 is formed perpendicular to the reflector 10. Such an antenna element may be formed in a shape divided into a plurality of blades. For example, the antenna elements 40 can be manufactured in the form of being divided into four blades that are at an angle of 90 degrees with respect to one another, and the blades are formed in the same shape and perpendicular to each other. In this case, although the blades are divided into four, by receiving a common power supply signal from the distributor 30, the four vertically polarized radiated polarized waves are all in phase, and the entire vertical polarized wave has the omnidirectional characteristic do. The antenna element 40 according to the present embodiment is composed of four blades perpendicular to each other. However, the present invention is not limited thereto. The antenna element 40 may be arranged in a square shape such that four blades face each other, have.

The distribution port 50 may be connected to one of the outputs of the distributor 30 to distribute a part of the signal applied from the feed port 20 to the outside. For example, the distribution port 50 may be connected to the remaining outputs of the distributor 30 except the output connected to the antenna element 40 to distribute the signal to the outside. Where the distribution port 50 is connected to the feed port of another antenna device via a cable so that another antenna device can receive the signal.

The distribution port 50 may be disposed perpendicular to the reflection plate 10 so as to be parallel to the feed port 20. The outer diameter of the dispensing port 50 may be threaded to be fixed to a ceiling bracket through a separate nut member (not shown). That is, the dispensing port 50 is fixed to the bracket, the ceiling or the like together with the feed port 20, so that the fixation force with respect to the bracket or the ceiling can be increased.

The feed port 20, the distributor 30, the antenna element 40 and the distribution port 50 can be protected by the case 60. Here, the case 60 may be formed in various shapes according to the shape of the antenna element 40.

The multi-stage antenna system 400 according to the embodiment of the present invention includes a distributor 30 connected to the feed port 20 and the feed port 20 and having a plurality of outputs connected to the feed port 20, An antenna element 40 connected to one of the outputs of the distributor 20 and a distribution port connected to one of the outputs of the distributor 20 and distributing a part of a signal applied from the feed port 20 to the outside The distributor 30 can be installed in the antenna device 100, which facilitates the maintenance of the communication device.

Accordingly, in the multi-stage antenna system 400 according to the embodiment of the present invention, a cable connecting the distributor, the distributor, the distributor, and the antenna device can be saved, and the cable installation path can be efficiently selected.

It should be noted that the embodiments disclosed in the drawings are merely examples of specific examples for the purpose of understanding, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

10: reflector 20: feed port
30: Dispenser 40: Antenna element
50: Distribution port 60: Case
100: antenna device 200: signal supply part
300: auxiliary antenna device 400: multi-stage antenna system

Claims (7)

A signal supply unit for supplying a signal;
A plurality of antenna units connected in series to the signal supply unit and radiating and delivering signals received from the signal supply unit, respectively;
A supplementary antenna device that receives and emits a signal from an antenna device positioned at the farthest end of the plurality of antenna devices; / RTI >
Wherein each of the plurality of antenna devices comprises:
Reflector;
A feed port disposed perpendicularly to the reflection plate and connected to the signal supply unit and a distribution port of an adjacent antenna apparatus through a cable to receive a signal;
A distributor disposed at a lower side of the reflection plate and having two outputs having a plurality of outputs as inputs to the feed port;
An antenna element connected to one of the outputs of the distributor and disposed at a lower portion of the reflection plate perpendicularly to the reflection plate to emit a signal;
A distribution port disposed perpendicularly to the reflection plate and connected to another one of the outputs of the distributor to supply a part of a signal applied from the feed port to a feed port of the adjacent antenna device;
A case coupled to the reflector to cover the distributor and the antenna element;
Wherein the antenna system includes a plurality of antennas. The method according to claim 1,
Wherein the distributor is formed of a printed circuit board. 3. The method of claim 2,
Wherein the divider comprises two outputs, and a ratio of a signal supplied to the antenna element to a signal supplied to the distribution port is 3 to 5: 5 to 7. The method according to claim 1,
Wherein the feed port and the distribution port are disposed parallel to each other. delete delete delete
KR1020160028639A 2016-03-10 2016-03-10 multistage antenna system KR101758300B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160028639A KR101758300B1 (en) 2016-03-10 2016-03-10 multistage antenna system
PCT/KR2017/001322 WO2017155213A1 (en) 2016-03-10 2017-02-07 Multistage antenna system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160028639A KR101758300B1 (en) 2016-03-10 2016-03-10 multistage antenna system

Publications (1)

Publication Number Publication Date
KR101758300B1 true KR101758300B1 (en) 2017-07-18

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Application Number Title Priority Date Filing Date
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WO (1) WO2017155213A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI792721B (en) * 2021-11-26 2023-02-11 天下長榮科技有限公司 Cable Antenna Structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920007593Y1 (en) * 1990-12-14 1992-10-16 주식회사 하이게인안테나 High frequency power divider
KR100269584B1 (en) * 1998-07-06 2000-10-16 구관영 Low sidelobe double polarization directional antenna with chalk reflector
US7592880B2 (en) * 2005-08-10 2009-09-22 Intellon Corporation Communicating over coaxial cable networks
KR101166851B1 (en) * 2005-09-02 2012-07-19 삼성전자주식회사 Array antenna system
KR20100137686A (en) * 2009-06-23 2010-12-31 주식회사 에이스테크놀로지 Radiator having air (or dielectric material) feeding structure in an antenna and power divider connected electrically to the same

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