WO2010098572A9 - Dispositif d'intégration de réseaux publics sans fil - Google Patents

Dispositif d'intégration de réseaux publics sans fil Download PDF

Info

Publication number
WO2010098572A9
WO2010098572A9 PCT/KR2010/001137 KR2010001137W WO2010098572A9 WO 2010098572 A9 WO2010098572 A9 WO 2010098572A9 KR 2010001137 W KR2010001137 W KR 2010001137W WO 2010098572 A9 WO2010098572 A9 WO 2010098572A9
Authority
WO
WIPO (PCT)
Prior art keywords
signal
output
integrated
wireless communication
signals
Prior art date
Application number
PCT/KR2010/001137
Other languages
English (en)
Korean (ko)
Other versions
WO2010098572A2 (fr
WO2010098572A3 (fr
Inventor
허재용
Original Assignee
Heo Jae Yong
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 Heo Jae Yong filed Critical Heo Jae Yong
Publication of WO2010098572A2 publication Critical patent/WO2010098572A2/fr
Publication of WO2010098572A9 publication Critical patent/WO2010098572A9/fr
Publication of WO2010098572A3 publication Critical patent/WO2010098572A3/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3225—Cooperation with the rails or the road
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication

Definitions

  • the present invention relates to an integrated device for a public wireless network, and outputs an RF signal serviced in each frequency band as one integrated wireless communication signal having broadband characteristics.
  • the present invention relates to a public wireless network integrator that protects the appearance of a building or a facility by installing it in a shaded area and has an economic effect.
  • a mobile communication system for transmitting and receiving voice or data signals wirelessly while stationary or moving by using a portable terminal, for example, a mobile phone (CDMA2000, WCDMA), digital multimedia broadcasting (DMB) and the mobile Internet (Wi-bro)
  • a portable terminal for example, a mobile phone (CDMA2000, WCDMA), digital multimedia broadcasting (DMB) and the mobile Internet (Wi-bro)
  • CDMA2000, WCDMA digital multimedia broadcasting
  • DMB digital multimedia broadcasting
  • Wi-bro mobile Internet
  • many base stations are installed by a cell method to maintain a quality of service, and in particular, a plurality of relay devices are installed to cover a shadow area where service is not provided.
  • the wireless repeater is installed in a radio shadow area where it is difficult to install a base station to relay a signal between the base station and the mobile terminal, so that the mobile terminal can make a call even in the radio shadow area.
  • Wireless repeaters are used to eliminate radio shadow areas in buildings, underground, tunnels, etc. in service areas. For mobile service providers aiming at wireless service, it is very important to secure service coverage in the shadow area economically.
  • FIG. 1 is a schematic diagram of a network configuration for installing a wireless communication network in a radio wave shading area such as a building, a tunnel, a subway station, a railway line, and the like independently of each conventional wireless network.
  • a wireless communication network in a radio wave shading area such as a building, a tunnel, a subway station, a railway line, and the like independently of each conventional wireless network.
  • the wireless network 10 and the four mobile communication networks (20) are provided in order to solve the shadow areas 40a, 40b, 40c, and 40d of each floor of the building.
  • 6 transmission lines such as digital multimedia broadcasting (hereinafter referred to as DMB) network are independently connected to the antennas 50a, 50b, 50c, 50d, 50e, and 50f for providing wireless services. do.
  • DMB digital multimedia broadcasting
  • FIG. 2 is a block diagram illustrating a method of combining four different RF signals by using a hybrid coupler in a conventional frequency band and distributing the signals to four ports.
  • an RF signal F1 is input to an input port of one hybrid coupler 60, and an RF signal is distributed to two output ports of the hybrid coupler.
  • the insertion loss of one hybrid coupler is 3db.
  • the independent transmission line is installed in each sound region 40a, 40b, 40c, 40d of buildings, tunnels, subway stations, railway lines, etc. according to the wireless communication networks 10, 20, and 30.
  • the appearance of buildings or facilities is damaged and not good.
  • the total length of the transmission line and the total number of installed antennas (24) according to each wireless communication network (6) there is a problem that it is economically inefficient.
  • the present invention has been made to solve the above problems, and outputs an RF signal serviced in each frequency band as one integrated wireless communication signal having broadband characteristics through a signal distribution means and a signal combining means, one transmission line
  • Its purpose is to provide public wireless network integrated device that protects the appearance of buildings or facilities and has economic effects by installing them in shaded areas such as furnace buildings, tunnels, subway stations, and railway lines.
  • Public wireless network integrator of the present invention for realizing the above object is at least one signal distribution means for integrating and sharing at least two or more RF signals input, and integrated outputted by the signal distribution means
  • Signal combining means for combining the integrated RF signal output by each signal distribution means for combining the RF signal with the integrated RF signal output by the other signal distribution means for transmission to a single transmission line
  • the signal distributing means includes a front end hybrid coupler for outputting a first RF signal in which N independent RF signals are respectively input to the N input ports and the N / 2 RF signals are integrated at the N output ports, and the N of the front end hybrid coupler. It is characterized by consisting of a rear hybrid coupler which is input to the N input ports at the intersection so that the first RF signals output from the two output ports do not overlap each other and outputs a second RF signal in which N RF signals are integrated at the N output ports. .
  • the signal combining means may be a multiplexer which combines one integrated RF signal output by the signal distribution means for each frequency band and outputs the integrated RF signal.
  • it characterized in that it further comprises a monitoring means for monitoring whether one integrated wireless communication signal output by the signal coupling means is normally output.
  • the monitoring means is a coupler for extracting the signal power from the integrated wireless communication signal power path is connected to the transmission line through which the one integrated wireless communication signal is transmitted, the power signal extracted by the coupler to the two same power signal
  • a two-way splitter for distributing a signal, a down converter for downconverting the frequency of the signal output from the two-way splitter to a frequency band corresponding to a bandpass filter, a detector for measuring an output signal of the downconverter, And a LCD display for receiving a measurement signal and calculating and processing the signal, and an LCD display for receiving a signal output from the controller and displaying a normal state of signal power to the outside.
  • the monitoring means is characterized by detecting the local oscillation frequency of the local oscillator by dividing the local oscillation frequency into two frequency bands by using two phase-locked loops for moving and fixing the local oscillation frequency because the integrated radio communication signal exhibits broadband characteristics. .
  • the down-converter unit includes a low noise amplifier for amplifying the integrated wireless communication signal while suppressing amplification of the integrated wireless communication signal output from the 2-way splitter to noise, and an integrated wireless communication signal which is an output signal of the low noise amplifier.
  • a down mixer for converting to a corresponding frequency, a local oscillator for supplying a local oscillation frequency for frequency synthesis to the down mixer, a phase locked loop for moving and fixing a local oscillation frequency of the local oscillator to a desired frequency, And a power amplifier for amplifying the power of the integrated wireless communication signal passing through the bandpass filter.
  • the band pass filter is characterized in that the crystal filter.
  • the public wireless network integrator may further include a broadband antenna connected to an output line of a transmission line to perform a wireless communication service on one integrated wireless communication signal output by the signal coupling means.
  • the broadband antenna is characterized in that it comprises a reflecting plate having a circular shape, a connector provided in the center of the reflecting plate, and a radiating element connected to the connector to emit and receive signals.
  • the radiating element has the form of an inverted triangle, it characterized in that the two conductive plates having an L-shaped structure in the center of the connector is connected to the connector using a lead wire at a right angle to each other.
  • the conductive plate is characterized in that the projecting surface is formed on the upper side and the side.
  • a wireless communication network such as a wireless network, a mobile communication network, a DMB, etc. is outputted using a signal distribution means and a signal combining means to output a single integrated wireless communication signal using a single transmission line, a building,
  • a signal distribution means and a signal combining means to output a single integrated wireless communication signal using a single transmission line, a building.
  • FIG. 1 is a schematic diagram of a network configuration for installing a wireless communication network in a radio wave shading area such as a building, a tunnel, a subway station, a railway line, and the like independently of each conventional wireless network.
  • FIG. 2 is a block diagram illustrating a method of combining four different RF signals by using a hybrid coupler in a conventional frequency band and distributing the signals to four ports.
  • FIG. 3 is a schematic diagram of a network configuration for laying up a wireless network such as a building, a tunnel, a subway station, a railroad line, and the like using a public wireless network integrator according to the present invention.
  • Figure 4 is a block diagram showing a method of outputting a single integrated wireless communication signal by integrating several RF signals for each frequency band using a public wireless network integrated device according to the present invention.
  • FIG. 5 is a diagram illustrating a method of combining and distributing four different RF signals to four ports by using a hybrid coupler in a corresponding frequency band as one embodiment of the signal distribution means according to the present invention.
  • Figure 6 is a block diagram showing the configuration of a detector module that can measure the output signal in a public wireless network integrated apparatus according to the present invention.
  • FIG 7 is a front view (a) and a top view (b) of a broadband antenna according to the present invention.
  • FIG 9 is a graph showing the standing wave ratio (VSWR) according to the present invention
  • Figures 10 and 11 are the radiation pattern H-Plane according to each frequency band
  • Figures 12 and 13 are the radiation pattern E-Plane according to each frequency band Is a graph.
  • FIG. 14 is a diagram illustrating a frequency spectrum showing one integrated RF signal by inputting three RF signals into a high band of 1710 to 2170 MHz to the signal distribution unit of FIG. 5.
  • Public wireless network integrator of the present invention is a signal distribution means for the common use of multiple RF signals for each frequency band, one integrated RF signal output by the signal distribution means for each frequency band one without distinction of each frequency band
  • Signal combining means for combining one integrated RF signal output for each frequency band to transmit using only a transmission line, and to perform a wireless communication service to one integrated wireless communication signal output by the signal combining means It includes a broadband antenna connected to the output line of the transmission line.
  • FIG. 3 is a schematic diagram of a network configuration for laying up a wireless network such as a building, a tunnel, a subway station, a railway line, and the like by using the public wireless network integrator 1000 according to the present invention.
  • the wireless self-network 10 the mobile communication network 20 of LGT / SKT / KT / KTF, and the wireless communication network of the DMB 30 are one outputted by the public wireless network integrator 1000 of the present invention.
  • the broadband antenna 900 is connected to an output terminal of one transmission line in order to transmit the integrated wireless communication signal of the building to the shaded areas 40a, 40b, 40c, and 40d of each floor.
  • FIG. 4 is a block diagram showing a method of outputting a single integrated wireless communication signal by integrating several RF signals for each frequency band using the public wireless network integrated device 1000 according to the present invention.
  • three frequency bands are divided into a low band of 698 to 960 MHz, a high band of 1710 to 2170 MHz, and a UHF band of 380 to 512 MHz, and four bands of a low band of 698 to 960 MHz according to each frequency band.
  • RF signals F1, F2, F3, F4
  • four RF signals F5, F6, F7, F8
  • F9, F10, F11 in the UHF band of 380-512 MHz
  • F12 are input to the input ports of the signal distribution means (100, 200, 300), respectively.
  • RF signals located in respective frequency bands are input to the input ports of the signal distribution unit by dividing into three frequency bands as described above. It is obvious that RF signals located in different frequency bands may be input to the input port of the signal distribution means.
  • One integrated RF signal output by the signal distribution means (100, 200, 300) is combined by the signal coupling means (400, 500, 600, 700) integrated wireless communication signal (F1 + F2 + F3 + F4 + F5 + F6 + F7 +) having broadband characteristics Output F8 + F9 + F10 + F11 + F12) / 6.
  • a monitoring means 800 for monitoring whether one integrated wireless communication signal output by the signal coupling means (400, 500, 600, 700) is normally output.
  • FIG. 5 is a diagram illustrating a method of combining and distributing four different RF signals to four ports using a hybrid coupler in a corresponding frequency band as one embodiment of the signal distribution unit of FIG. 4 according to the present invention. to be.
  • an RF signal is input to each of the two input ports.
  • two RF signals F1 and F2 are applied to the first input ports a1 and a2 of the first shear hybrid coupler 110 to distribute signal power to the first output ports b1 and b2.
  • two (F3 + F4) / 2 integrated signals are output to the first output ports b3 and b4.
  • two (F1 + F2) / 2 and two (F3 + F4) / 2 output from the first shear hybrid coupler 110 are inputted so as not to overlap each other, so that the second trailing hybrid coupler 120 and The second output ports d1, d2, d3, d4 of the second and fourth rear hybrid couplers by applying and distributing to the second input ports c1, c2, c3, c4 of the fourth rear hybrid coupler 140.
  • one embodiment of the present invention describes different frequencies at the first input ports a1, a2, a3, and a4 of the two first and third shear hybrid couplers (referred to as shear hybrid couplers).
  • RF signals F1, F2, F3, and F4 of the bands are respectively input.
  • the RF signals F1 and F2 are input to the input ports a1 and a2
  • the RF signals F1 and F2 are distributed to the output ports b1 and b2 with the insertion loss 3db.
  • a first RF signal of F2) / 2 is output.
  • the RF signals F3 and F4 are distributed with the insertion loss 3db to the output ports b3 and b4 (F3).
  • a first RF signal of + F4) / 2 is output.
  • the RF signals of (F1 + F2) / 2 of the output ports b1 and b2 of the first shear hybrid coupler 110 are input ports of the second and fourth rear hybrid couplers (referred to as rear hybrid couplers). c2, c3).
  • RF signals of (F3 + F4) / 2 of the output ports b3 and b4 of the third shear hybrid coupler 130 are input to the input ports c4 and c1 of the second and fourth rear hybrid couplers 120 and 140, respectively. Is authorized.
  • the RF signal of (F3 + F4) / is input to the second input port c1 of the second rear hybrid coupler 120, and the RF signal of (F1 + F2) / 2 is input to c2, thereby distributing the signal power.
  • a second RF signal of (F1 + F2 + F3 + F4) / 4 is output from the second output ports d1 and d2 of the hybrid coupler 120.
  • the RF signal of (F1 + F2) / is input to the second input port c3 of the fourth rear hybrid coupler 140, and the RF signal of (F3 + F4) / 2 is input to c4, thereby distributing the signal power.
  • the second RF signal of (F1 + F2 + F3 + F4) / 4 is output from the second output ports d3 and d4 of the hybrid coupler 140.
  • the signal distribution means is described in one frequency band, but will be said to be the same in the other two frequency bands. Therefore, the four RF signals (F5, F6, F7, F8) are input and distributed through the signal distribution means 200 in which the hybrid coupler is connected in multiple stages even in the HIGH band of 1710 to 2170 MHz, and the insertion loss has 6db.
  • the signal power of (F5 + F6 + F7 + F8) / 4 with integrated RF signal is output.
  • Signal combining means (400,500,600,700) are three integrated RF signals [(F1 + F2 + F3 + F4) / 4, (F5 + F6 +) output from the signal distribution means (100,200,300) for each frequency band in each frequency band.
  • F7 + F8) / 4 (F9 + F10 + F11 + F12) / 4] combines the integrated RF signals outputted by each frequency band to transmit using only one transmission line without distinguishing each frequency band. do.
  • the signal combining means (400, 500, 600, 700) is implemented using a multiplexer to filter and output three integrated RF signals output by the signal distribution means (100, 200, 300) for each frequency band.
  • the four integrated multiplexers 400, 500, 600, and 700 use the same integrated wireless communication signal (F1 + F2 + F3 + F4 + F5 + F6 + F7 + F8 +) in each multiplexer (400, 500, 600, 700).
  • F9 + F10 + F11 + F12) / 6 were outputted to provide wireless service to radio shadow areas such as buildings, tunnels, subway stations, and railway tracks.
  • the public wireless network integrator 100 of the present invention is an integrated wireless communication signal (F1 + F2 + F3 + F4 + F5 + F6 + F7 + F8 + F9 + F10 + F11 +) output by the signal coupling means (400, 500, 600, 700). It further includes a monitoring means (800) for extracting the signal power from the transmission line for transmitting the F12) / 6 to measure whether the integrated wireless communication signal is normally output to determine the abnormal state of the equipment.
  • Figure 6 is a block diagram showing the configuration of a detector module that can measure the output signal in a public wireless network integrated apparatus according to the present invention.
  • the monitoring means extracts signal power by connecting a 30db coupler 150 as an embodiment on a transmission line through which the integrated wireless communication signal is transmitted.
  • the integrated wireless communication signal transmitted through the transmission line (F1 + F2 + F3 + F4 + F5 + F6 + F7 + F8 + F9 + F10 + F11 + F12) / 6 is as small as 30db using the 30db coupler 150. Even if power is extracted, the signal can be extracted while maintaining the waveform of the integrated wireless communication signal.
  • the signal extracted through the 30db coupler 150 is divided into two equal power signals through the two-way splitter 810 and input to the downconverter through the low noise amplifier 821.
  • the frequency of the signal output from the 2-way splitter 810 is down-converted to a frequency band corresponding to the crystal filter.
  • the phase locked loop 824 having a frequency tuning function cannot cover the wideband, so that the local oscillators 823a and 823b use two phase locked loops 824a and 824b. This is to supply the downmixer 822 for converting the signal output from the 2-way divider 810 to a frequency corresponding to the crystal filter 825.
  • the integrated wireless communication signal down-converted by the downmixer 825 is filtered by a crystal filter 825 having bandpass characteristics.
  • the integrated wireless communication signal filtered by the crystal filter 825 is output through the power amplifier 826, detected by the detector 830, and then outputs the measured signal to the controller 840.
  • the control unit 840 receives the measurement signal of the detector 830 to calculate and process the signal, and the LCD display unit 850 receives the signal output from the control unit 840 to externally determine the normal state of the integrated wireless communication signal power. Mark on.
  • FIG. 7 is a view showing a front view (a), an upper side view (b) of the broadband antenna according to the present invention, and a shape (c) in which the radiating element is connected to the connector.
  • the radiating element 930 has a shape of an inverted triangle with respect to the reflecting plate 910, and the broadband antenna is provided at the center of the reflecting plate 910 and the reflecting plate 910 having a circular shape. And a connector 920 for feeding, and a radiating element 930 connected to the connector 920 to emit and receive a signal.
  • the conductive plates 931, 932, 933 and 934 including the inverted triangular structure change the general structure of the log antenna in the form of a flat plate.
  • a broadband characteristic with a bandwidth of 2120 MHz in the broadband range of 380 MHz to 2500 MHz was realized.
  • the radiating element includes two conductive plates 930a and 930b having an L-shaped structure at the center of the connector 920. That is, the 1/4 wavelength radiation element 930 including the reflector 910 is combined in three directions (120 degree intervals: not shown) or in four directions (90 degree intervals) as shown in the above embodiment to implement broadband characteristics. It was.
  • the radiating element 930 is preferably made of tin.
  • FIG. 8 is a structural diagram showing a pattern of a radiating element of the broadband antenna according to the present invention and a structure connecting the radiating element to the connector.
  • protrusions 935 are formed on upper and side surfaces of the inverted triangular conductive plates 931 and 932 to reduce the length of the resonance point corresponding to the broadband frequency.
  • the conductive plate 930a is folded at an angle of 90 degrees with respect to the central solid line 936 of the conductive plate 930a to form an L-shaped structure as shown in FIG. 8 (b), and then connected to the center of the connector and the conductive plate connector. It was.
  • the conductive plates 931 and 932 are forcibly inserted into the connector 920, so that non-linearity may occur at the contact surface. Non-linearity can be prevented by making the conductive plates 931 and 932 contact the 920.
  • one-shaped conductive plate 930a has been described, it will be understood that the other conductive plate 930b is the same.
  • FIG 9 is a graph showing the standing wave ratio (VSWR) according to the present invention
  • Figures 10 and 11 are the radiation pattern H-Plane according to each frequency band
  • Figures 12 and 13 are the radiation pattern E-Plane according to each frequency band Is a graph.
  • the broadband antenna of the present invention exhibits a standing wave ratio of 1: 1.9175 at a radiation frequency of 1163.4 MHz, but the input signal is not reflected at 1: 1.7358 at a radiation frequency of 380 MHz and 1: 1.2017 at a radiation frequency of 2.5 GHz. It has a radiation characteristic that is emitted as much as possible without.
  • the maximum gain is 1300 MHz from the H-plane indicating the electric field component in the polarization direction shown in the maximum beam direction and magnetic field.
  • the gain is high in the frequency band of 380MHz to 2500MHz at 6.08dbi and 6.29 at 1900MHz.
  • the maximum gain is high in the frequency band of 380 MHz to 2500 MHz with 6.08 dbi at 1300 MHz and 6.80 at 1600 MHz.
  • FIG. 14 is a diagram illustrating a frequency spectrum showing one integrated RF signal by inputting three RF signals into a HIGH band of 1710 to 2170 MHz as an embodiment of the signal distribution unit of FIG. 5.
  • the center frequency of the HIGH band of 1710 to 2170 MHz is the front end of the hybrid coupler (110,130) of the RF signal (a) of the 1.85 GHz band, the RF signal (b) of the 1.87 GHz band and the RF signal (c) of the 2.14 GHz band.
  • one integrated RF signal (d) is output to the output port of the rear hybrid coupler (120,140).
  • the four output ports of the rear hybrid coupler 120,140 have one integrated RF signal having a frequency spectrum of 1.85 GHz band, 1.87 GHz band, and 2.14 GHz band from the low band. Can be.
  • the wireless communication network such as wireless network, mobile communication network, DMB, etc. by using signal distribution means and signal combining means to output a single integrated wireless communication signal by using a single transmission line building, tunnel, subway station, railway line Wireless service in the shaded area of the lamp protects the appearance of buildings and facilities and is economical.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)

Abstract

L'invention concerne un dispositif d'intégration de réseaux publics sans fil, caractérisé en ce qu'il comprend: au moins des moyens de distribution de signaux destinés à distribuer et à rendre entièrement publics au moins deux signaux RF d'entrée; et des moyens de couplage de signaux destinés à coupler les signaux RF intégrés émis par les moyens de distribution de signaux avec un signal RF intégré émis par des moyens de distribution de signaux différents, en vue de coupler et de transmettre sur une seule ligne de transmission les signaux RF intégrés émis par chaque moyen de distribution de signaux.
PCT/KR2010/001137 2009-02-24 2010-02-24 Dispositif d'intégration de réseaux publics sans fil WO2010098572A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0015106 2009-02-24
KR1020090015106A KR100954256B1 (ko) 2009-02-24 2009-02-24 공공 무선망 통합장치

Publications (3)

Publication Number Publication Date
WO2010098572A2 WO2010098572A2 (fr) 2010-09-02
WO2010098572A9 true WO2010098572A9 (fr) 2010-11-04
WO2010098572A3 WO2010098572A3 (fr) 2010-12-23

Family

ID=42220232

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/001137 WO2010098572A2 (fr) 2009-02-24 2010-02-24 Dispositif d'intégration de réseaux publics sans fil

Country Status (2)

Country Link
KR (1) KR100954256B1 (fr)
WO (1) WO2010098572A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101582927B1 (ko) * 2014-04-29 2016-01-07 주식회사 맥킨리 혼변조 왜곡을 방지하는 무선통합장치
KR101806176B1 (ko) * 2016-11-10 2018-01-10 주식회사 엔토닉 출력단자 조절이 가능한 fm/dmb 신호중계기 및 중계방법
KR101979259B1 (ko) * 2017-12-22 2019-05-16 주식회사 에치에프알 수동 혼변조 왜곡 회피를 위한 인빌딩 분산망 시스템

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100840076B1 (ko) * 2004-09-14 2008-06-19 주식회사 케이티 광대역 통신망을 이용한 통합 서비스 제공 시스템 및 방법
KR100714201B1 (ko) * 2005-04-19 2007-05-02 한국정보통신대학교 산학협력단 초 광대역 안테나
KR200396901Y1 (ko) * 2005-05-30 2005-09-28 (주) 웨이브 텍 이동통신 시스템의 다중 채널 결합/분배기
KR100883403B1 (ko) * 2005-07-19 2009-03-03 주식회사 케이엠더블유 중계 장치
KR100875521B1 (ko) * 2005-08-22 2008-12-23 주식회사 케이엠더블유 멀티밴드용 가변 분배 장치
KR101286659B1 (ko) * 2006-10-04 2013-07-16 삼성전자주식회사 다중 안테나 시스템에서 선택적 안테나 할당을 통한하이브리드 듀플렉스 복잡도 감소 장치 및 방법

Also Published As

Publication number Publication date
WO2010098572A2 (fr) 2010-09-02
KR100954256B1 (ko) 2010-04-23
WO2010098572A3 (fr) 2010-12-23

Similar Documents

Publication Publication Date Title
WO2016171298A1 (fr) Système d'antennes distribuées
EP1428351B1 (fr) Interface pour reseaux locaux d'entreprises
WO2017010831A1 (fr) Système de station de base mobile de type centrale portative et procédé basé sur une liaison de raccordement par tvws et satellite
US20040100930A1 (en) WLAN distributed antenna system
US8428033B2 (en) Radio frequency network
US7650112B2 (en) Method and system for extending coverage of WLAN access points via optically multiplexed connection of access points to sub-stations
WO2015041422A1 (fr) Appareil d'antenne et dispositif électronique l'ayant
WO2018182109A1 (fr) Antenne de station de base multibande
WO2013065893A1 (fr) Antenne à fentes améliorée
WO2016167394A1 (fr) Unité de nœud de système d'antennes distribuées
WO2017115925A1 (fr) Unité principale et système d'antenne distribué la comprenant
KR102075405B1 (ko) 기지국 신호 정합 장치
WO2016171297A1 (fr) Système d'antennes distribuées, et dispositif distant correspondant
WO2010098572A9 (fr) Dispositif d'intégration de réseaux publics sans fil
WO2019066308A1 (fr) Dispositif d'antenne comprenant un déphaseur
WO2022050690A1 (fr) Dispositif d'antenne de communication mobile à haute performance
WO2019226012A1 (fr) Nœud de communication et système de communication pour effectuer une synchronisation d'horloge
US20030096575A1 (en) Radio coverage in closed environments
JP3300552B2 (ja) 光ケーブルを利用した中継装置
WO2010151088A2 (fr) Boîtier de protection et ensemble antenne comprenant ce boîtier
WO2011046339A2 (fr) Répéteur unitaire pour annulation de signaux de brouillage réinjectés et système de relais en cascade l'utilisant
WO2023204464A1 (fr) Réseau d'adaptation pour un découplage entre des polarisations d'un réseau d'antennes, et dispositif électronique comprenant celui-ci
KR20030004533A (ko) 기지국시스템들의 급전선 공유장치 및 방법
WO2013062167A1 (fr) Antenne augmentée
WO2018062871A1 (fr) Coupleur composite et système de communication sans fil à câble coaxial à dispersion l'utilisant

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10746411

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct app. not ent. europ. phase

Ref document number: 10746411

Country of ref document: EP

Kind code of ref document: A2