WO2013176356A1 - Dispositif formant station de base distante sans fil ayant une capacité d'extensibilité dans un domicile et comprenant un système de relais dans un bâtiment - Google Patents

Dispositif formant station de base distante sans fil ayant une capacité d'extensibilité dans un domicile et comprenant un système de relais dans un bâtiment Download PDF

Info

Publication number
WO2013176356A1
WO2013176356A1 PCT/KR2012/009817 KR2012009817W WO2013176356A1 WO 2013176356 A1 WO2013176356 A1 WO 2013176356A1 KR 2012009817 W KR2012009817 W KR 2012009817W WO 2013176356 A1 WO2013176356 A1 WO 2013176356A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
signal
digital communication
remote wireless
building
Prior art date
Application number
PCT/KR2012/009817
Other languages
English (en)
Korean (ko)
Inventor
최병도
Original Assignee
유니트론 주식회사
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 유니트론 주식회사 filed Critical 유니트론 주식회사
Priority to CN201280073385.3A priority Critical patent/CN104380619A/zh
Publication of WO2013176356A1 publication Critical patent/WO2013176356A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems

Definitions

  • the present invention relates to an in-building relay system, and more particularly, to a signal transmission between a base station control unit and a remote wireless base station device installed in a building in a distributed base station system, and a distributed device installed in a plurality of shaded areas in the remote wireless base station device and a building.
  • the present invention relates to a technology in which signal transmission between all digital methods is performed without going through an analog signal conversion process.
  • a mobile communication service system generally consists of a base station, base station controller, switching center and terminal station.
  • the base station and the terminal station communicate in a constant frequency band, each base station has a constant call radius. Therefore, by arranging a plurality of base stations as appropriate, the call radius of each base station overlaps each other, thereby expanding the area where the call is possible. However, even if the entire city is covered by the arrangement of such a plurality of base stations, a call-shadowed area where a call is not possible in an island area, a large building underground space, and a high-rise building is generated.
  • One of the ways to solve such a call shadow area occurrence and to expand the area is to install a relay system.
  • Such a relay system includes an optical relay system, an RF relay system, a microwave relay system, and an in-building relay system according to an application area or a relay method.
  • the optical relay system is used in the city center or the outlying area
  • the microwave relay system is used when the visible distance is several Km
  • the in-building relay system may be used for the apartment complex, large building and underground parking lot.
  • Such a conventional in-building relay system is installed in a base station, a rooftop of a building, and a master device wirelessly or wiredly connected to the base station, and a plurality of distributed devices respectively connected to the master device by wire and installed in a plurality of shaded areas of the building. It may include.
  • the base station and the master device transmit and receive RF signals (analog signals) wirelessly or wired, and the master device and the plurality of distributed devices transmit and receive digital signals.
  • the RF signal (analog signal) transmitted from the base station is distorted under the influence of noise or the like in the process of being transmitted to the master device, so that the deteriorated RF signal is received by the master device.
  • the deteriorated RF signal is converted into a digital signal and transmitted to the plurality of dispersers, the plurality of dispersers receive a signal distorted by noise or the like, and eventually the shadow area covered by the plurality of dispersers is covered. Since there is a problem in that low-quality signals are received in the located terminals, there is a problem in that call quality deteriorates.
  • a distributed base station system signal transmission between a base station control unit and a remote wireless base station device installed in a building and a signal transmission between the remote wireless base station device and distributed devices installed in a plurality of shaded areas in a building are all performed digitally without going through an analog signal conversion process.
  • An in-building relay system includes a base station controller, a remote wireless base station apparatus connected to the base station controller with a first wire and installed in a building, and a remote wireless base station apparatus connected to a second wire with a second wire. And a plurality of dispersers installed in one of the plurality of shaded areas of the remote wireless base station, wherein the remote wireless base station apparatus transmits / receives information through a first digital communication scheme with the base station controller through the first wire. And transmit and receive information in a second digital communication method through the second wires connected to each other, and perform signal conversion between the first digital communication method and the second digital communication method without undergoing an analog signal conversion process. A signal transmitted to or received from the second digital communication scheme and the shadowed area; And translating the same communication signal.
  • the first wire may be an optical cable.
  • the second wire may be an Unshielded Twisted Pair (UTP) cable.
  • UTP Unshielded Twisted Pair
  • the first digital communication method may be a common public radio interface (CPRI) or an OBSAI (Open Base Station Architecture Initiative) communication method.
  • CPRI common public radio interface
  • OBSAI Open Base Station Architecture Initiative
  • the second digital communication method may be a gigabit Ethernet communication method.
  • the remote wireless base station apparatus may include an AC power / DC power converter for providing DC power required for the operation of the plurality of distributed devices in a Power Over Ethernet (POE) method.
  • POE Power Over Ethernet
  • the plurality of dispersing apparatuses may include a DC power supply / DC power converter for converting DC power provided by the Ethernet power supply method into DC power required for operation of an internal configuration circuit.
  • a remote wireless base station apparatus comprising: a CPRI / OBSAI signal processor connected to a base station controller via a first wire and transmitting and receiving information to and from the base station controller in a first digital communication scheme; And convert the first digital communication signal received from the CPRI / OBSAI signal processor into a second digital communication signal without going through an analog signal conversion process, and are each connected by a second wire and installed in a shadow area of a building. It includes a master UTP interface transceiver for converting the signal of the second digital communication method received from the distributed device to the signal of the first digital communication method without undergoing an analog signal conversion process.
  • the remote wireless base station apparatus may further include an AC power / DC power converter for providing DC power required for the operation of the plurality of distributed devices in a Power Over Ethernet (POE) method.
  • POE Power Over Ethernet
  • the remote wireless base station apparatus transmits a signal transmitted from the base station controller to inside and outside a building or receives signals from a plurality of terminals located inside and outside the building and transmits the signal to the base station controller through the CPRI / OBSAI signal processor. It may further include an output unit.
  • a signal transmission between a base station controller and a remote wireless base station apparatus installed in a building, and a plurality of shaded areas in the building and the remote wireless base station apparatus is all done digitally without going through the analog signal conversion process, so that it is possible to easily solve the shade area of mobile communication that occurs in large buildings, multi-family houses, mall buildings, etc.
  • the signal from the base station control unit is not influenced by noise in the process of transmitting the signals from the base station controller to the plurality of distributed devices located in the shadowed area, high quality signals may be transmitted to the plurality of distributed devices located in the shadowed area.
  • FIG. 1 is a view showing the configuration of an in-building relay system according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a detailed configuration of the remote radio base station apparatus shown in FIG. 1.
  • FIG. 3 is a diagram illustrating a detailed configuration of the master UTP interface transceiver shown in FIG. 2.
  • FIG. 4 is a view showing a detailed configuration of the dispersion apparatus shown in FIG.
  • FIG. 5 is a diagram illustrating a detailed configuration of the distributed UTP interface transceiver shown in FIG. 4.
  • FIG. 1 is a view showing the configuration of an in-building relay system according to an embodiment of the present invention.
  • an in-building relay system includes a base station controller 1, a base station controller 1, a remote wireless base station apparatus 2 connected to a first wire and installed in a building, and a remote wireless base station apparatus. And a plurality of dispersing apparatuses 3, which are connected to each of the second and second wires and are respectively installed in one of the plurality of shaded areas of the building. Furthermore, when the number of the plurality of distributing apparatuses 3 exceeds the number of ports provided by the remote wireless base station apparatus 2 or the maximum transmission distance of the signal transmitted by the remote wireless base station apparatus 2 to the distributing apparatus, In order to increase, the hub expansion unit 4 may be further provided.
  • the remote wireless base station apparatus 2 transmits and receives information to and from the base station control unit 1 via a first wired line in a first digital communication system, and connects through a plurality of distribution apparatuses 3 (a hub expansion unit 4). It also transmits and receives information in a second digital communication method through a second wire connected to each other), and performs signal conversion between the first digital communication method and the second digital communication method without going through an analog signal conversion process.
  • the distributing device 3 converts a signal of a second digital communication method and a mobile communication signal transmitted to or received from the shaded area.
  • the first wire may be an optical cable, and any transmission medium capable of transmitting and receiving information between the base station controller 1 and the remote wireless base station device 2 may be used without limitation. have.
  • the second wire may be an Unshielded Twisted Pair (UTP) cable, and any transmission medium capable of transmitting and receiving information between the remote wireless base station apparatus 2 and the plurality of distribution apparatuses 3 in the second digital communication scheme may be used. It may be.
  • the first digital communication method may be a public public radio interface (CPRI) or an OBSAI (Open Base Station Architecture Initiative) communication method.
  • CPRI public public radio interface
  • OBSAI Open Base Station Architecture Initiative
  • the base station control unit 1 and the remote wireless base station apparatus 2 may transmit and receive information in a CPRI communication method or an OBSAI communication method.
  • the second digital communication method may be a gigabit Ethernet communication method. That is, the remote wireless base station apparatus 2 and the plurality of distributing apparatuses (including the plurality of distributing apparatuses connected through the hub expansion unit 4) 3 can transmit and receive information through the Gigabit Ethernet communication method. Accordingly, the base station controller 1 and the remote wireless base station apparatus 2 transmit and receive digital signals other than analog signals through optical cables, and the remote wireless base station apparatus 2 and the plurality of distributed apparatuses 3 also convert analog signals. Since the digital signal is transmitted and received without passing through, the high quality signal which is not affected by noise or the like can be transmitted in the process of transmitting the signal from the base station controller 1 to the plurality of distributed devices through the remote wireless base station device 2. have.
  • the remote wireless base station apparatus 2 may include an AC power / DC power converter that provides DC power required for the operation of the plurality of distributed devices 3 in a Power Over Ethernet (POE) method. .
  • the AC power / DC power converter will be described later.
  • the plurality of distributing apparatuses 3 may include a DC power / DC power converter for converting the DC power provided by the Ethernet power supply method into the DC power required for the operation of the internal circuit.
  • the DC power / DC power converter will be described later. Since the plurality of distributed devices (3) operates the internal configuration circuit using a DC power provided by the Ethernet power supply method, a separate AC power / DC power converter is not required and the power facility construction according to this can be omitted. have.
  • FIG. 2 is a diagram illustrating a detailed configuration of the remote radio base station apparatus shown in FIG. 1.
  • the remote wireless base station apparatus 2 includes a CPRI / OBSAI signal processor 10, an indoor / outdoor wireless output unit 11, a master UTP interface transceiver 19, and an AC power source / DC power converter 20. And a processor 21.
  • the CPRI / OBSAI signal processor 10 is connected to the base station controller 1 through a first cable, in an embodiment, through an optical cable, and communicates with the base station controller 1 in a first digital communication scheme, in an embodiment, a public public air interface (CPRI). Or transmit / receive information by OBSAI communication method.
  • a first cable in an embodiment, through an optical cable
  • CPRI public public air interface
  • the indoor / outdoor wireless output unit 11 includes a digital / analog converter 12, a rising converter 13, a high output amplifier 14, a transmission / reception filter 15, a low noise amplifier 16, a falling converter 17 and an analog /
  • the digital conversion unit 18 includes the CPRI / OBSAI signal processing unit 10 by transmitting a signal transmitted from the base station controller 1 to the inside and outside the building or receiving signals from a plurality of terminals (not shown) located inside and outside the building. It can transmit to the base station control unit 1 through.
  • the digital / analog converter 12 converts the signal of the first digital communication method into an analog signal
  • the rising converter 13 converts the analog signal converted by the digital / analog converter 12 into the frequency band of the mobile communication signal.
  • the high output amplifier 14 amplifies the analog signal output from the rising converter 13
  • the transmission / reception filter 15 uses the antenna ANT to convert the analog signal amplified by the high output amplifier 14.
  • Radiating into space the low noise amplifier 16 amplifies the weak mobile communication signal received from the terminal through the antenna ANT with low noise, and the down converter 17 amplifies the mobile communication signal amplified by the low noise amplifier 16. Is converted into the intermediate frequency band, and the analog-digital converter 18 converts the mobile communication signal output from the falling converter 17 into a digital signal.
  • the master UTP interface transceiver 19 converts the signal of the first digital communication method received from the CPRI / OBSAI signal processor 10 into the signal of the second digital communication method without going through an analog signal conversion process and is connected through a UTP cable.
  • the signal of the second digital communication method received from the distributing device 3 is converted into the signal of the first digital communication method without undergoing an analog signal conversion process.
  • the signal of the first digital communication method may be a signal of the CPRI communication method or the signal of the OBSAI communication method
  • the signal of the second digital communication method may be a gigabit Ethernet signal.
  • the master UTP interface transceiver 19 may be implemented by being integrated with the CPRI / OBSAI signal processor 10 and one board, or may be implemented on separate boards.
  • the AC power / DC power converter 20 converts AC power into DC power in order to supply DC power necessary for the operation of the plurality of distributed devices 3 connected to the remote wireless base station device 2 and the UTP cable.
  • the UTP interface transceiver 19 provides the DC power applied from the AC power / DC power converter 20 to the plurality of distributed devices 3 through the Power Over Ethernet (POE).
  • POE Power Over Ethernet
  • the processor unit 21 controls the operation of the rising converter 13, the high output amplifier 14, and the falling converter 17.
  • FIG. 3 is a diagram illustrating a detailed configuration of the master UTP interface transceiver shown in FIG. 2.
  • the master UTP interface transceiver 19 includes a digital to digital converter 191, a gigabit physical layer converter 192, and an Ethernet power supply 193.
  • the digital / digital conversion unit 191 is connected to the CPRI / OBSAI signal processing unit 10 by internal wiring, and converts a signal of one serial first digital communication method into an n (natural number) pair of parallel second digital communication methods.
  • the signal is converted into a parallel UTP digital signal in an embodiment, and the inverse conversion thereof is also performed.
  • the digital / digital conversion unit 191 is a signal of one first digital communication method, in one embodiment, a CPRI communication method or an OBSAI.
  • the communication signal can be converted into four pairs of parallel UTP digital signals. This is only an example and may be changed according to the situation of the system.
  • the gigabit physical layer converter 192 converts the UTP digital signal converted by the digital / digital conversion unit 191 into a gigabit Ethernet signal so as to be transmitted through the UTP cable, and performs inverse conversion thereof.
  • up to eight distributed devices can be connected to one remote wireless base station device by applying two 1: 4 methods commercially available for the Internet, in which a digital signal can be transmitted and received using a UTP cable.
  • the Ethernet power supply 193 provides the DC power applied from the AC power / DC power converter 20 to the plurality of distributed devices 3 through the UTP cable by the Ethernet power supply method (POE).
  • FIG. 4 is a view showing a detailed configuration of the dispersion apparatus shown in FIG.
  • the dispersion apparatus 3 includes a distributed UTP interface transceiver 3, a digital / analog converter 31, a distributed rising converter 32, a high output amplifier 33, a distributed transmit / receive filter 34, and low noise.
  • An amplifier 35, a distributed down converter 36, an analog / digital converter 37, a DC power supply / DC power converter 38, and a distributed processor unit 39 are included.
  • the distributed UTP interface transceiver 30 transmits and receives a signal of the second digital communication method with the remote wireless base station apparatus 2 through the UTP cable.
  • the digital / analog converter 31 converts the second digital communication signal received by the distributed UTP interface transceiver 30 into an analog signal having an intermediate frequency band.
  • the distributed rising converter 32 raises the analog signal having the intermediate frequency band to the frequency band of the mobile communication signal.
  • the high output amplifier 33 amplifies the analog signal raised to the frequency band of the mobile communication signal.
  • the distributed transmission / reception filter 34 radiates the analog signal amplified by the high power amplifier 33 to the space of the shaded area through the antenna ANT.
  • the low noise amplifier 35 amplifies the weak mobile communication signal received through the antenna ANT connected to the distributed transmission / reception filter 34 from the terminal located in the shadow area with low noise.
  • the distributed down converter 36 down converts the low noise amplified mobile communication signal from the low noise amplifier 36 to an intermediate frequency band.
  • the analog / digital converter 37 converts the mobile communication signal converted by the distributed down converter 36 into a digital signal, that is, a signal of a second digital communication method.
  • the converted second digital communication signal may be transmitted to the remote wireless base station apparatus 2 through the distributed UTP interface transceiver 30.
  • the DC power supply / DC power converter 38 converts the DC power applied by the Ethernet power supply method through the distributed UTP interface transceiver 30 to the DC power required for the operation of the internal configuration circuit of the dispersion apparatus 3. Accordingly, the dispersion apparatus 3 does not have to be provided with a separate AC power / DC power converter in order to obtain a DC power required for the operation of the internal circuit, and thus construction of a power supply can be omitted.
  • the distributed processor unit 39 controls the operations of the distributed rising converter 32, the high power amplifier 33, and the distributed falling converter 36.
  • FIG. 5 is a diagram illustrating a detailed configuration of the distributed UTP interface transceiver shown in FIG. 4.
  • the distributed UTP interface transceiver 30 includes an Ethernet power supply 300, a gigabit physical layer converter 301, and a gigabit Ethernet signal processor 302.
  • the Ethernet power supply 300 applies DC power supplied from the remote wireless base station device 2 to the Ethernet power supply method (POE) via the UTP cable to the DC power / DC power converter 38.
  • POE Ethernet power supply method
  • the gigabit physical layer converter 301 converts a signal of the second digital communication method, eg, a gigabit Ethernet signal, received from the remote wireless base station apparatus 2 through a UTP cable into a UTP digital signal, and also performs inverse conversion thereof.
  • a signal of the second digital communication method eg, a gigabit Ethernet signal
  • the gigabit Ethernet signal processing unit 302 converts a parallel digital signal of n (natural number) pairs in series and performs inverse conversion thereof. In one embodiment, four pairs of parallel UTP digital signals are serially converted and inversely transformed.
  • the present invention can be applied to system development in the field of mobile communication.

Landscapes

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

Abstract

La présente invention se rapporte à un dispositif formant station de base distante sans fil ayant une capacité d'extensibilité dans un domicile et comprenant un système de relais dans un bâtiment. Le dispositif formant station de base distante sans fil selon l'un des modes de réalisation de la présente invention comprend : un module de traitement de signal CPRI/OBSAI, qui est connecté à un module de contrôle de station de base au moyen d'un premier câble, et qui transmet des informations au module de contrôle de station de base et qui reçoit des informations du module de contrôle de station de base, conformément à un premier schéma de communication numérique ; et un appareil émetteur-récepteur maître, à interface UTP. Ledit appareil émetteur-récepteur maître, à interface UTP : convertit un signal d'un premier type de communication numérique, qui est reçu du module de traitement de signal CPRI/OBSAI, en un signal d'un second type de communication numérique sans qu'il soit nécessaire d'exécuter une procédure de conversion de signal analogique ; et il convertit le signal du second type de communication numérique, qui est reçu d'une pluralité de dispositifs de distribution qui sont connectés les uns aux autres au moyen d'un second câble et qui sont installés dans des zones obscures de bâtiments, à nouveau en le signal du premier type de communication numérique sans qu'il soit nécessaire d'exécuter une procédure de conversion de signal analogique.
PCT/KR2012/009817 2012-05-24 2012-11-20 Dispositif formant station de base distante sans fil ayant une capacité d'extensibilité dans un domicile et comprenant un système de relais dans un bâtiment WO2013176356A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280073385.3A CN104380619A (zh) 2012-05-24 2012-11-20 具有内部扩张性的远程无线基站装置及室内中继系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0055188 2012-05-24
KR1020120055188A KR101426339B1 (ko) 2012-05-24 2012-05-24 구내 확장성을 갖는 원격 무선 기지국 장치 및 인빌딩 중계 시스템

Publications (1)

Publication Number Publication Date
WO2013176356A1 true WO2013176356A1 (fr) 2013-11-28

Family

ID=49624012

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/009817 WO2013176356A1 (fr) 2012-05-24 2012-11-20 Dispositif formant station de base distante sans fil ayant une capacité d'extensibilité dans un domicile et comprenant un système de relais dans un bâtiment

Country Status (3)

Country Link
KR (1) KR101426339B1 (fr)
CN (1) CN104380619A (fr)
WO (1) WO2013176356A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104507154A (zh) * 2014-11-20 2015-04-08 上海华为技术有限公司 数据传输方法、通信设备及通信系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104994090A (zh) * 2015-06-29 2015-10-21 上海华为技术有限公司 一种数据帧转换方法及装置、通信节点、通信系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010048227A (ko) * 1999-11-25 2001-06-15 오용훈 캐스케이드방식의 디지털 광 중계기
JP2007019807A (ja) * 2005-07-07 2007-01-25 Fujitsu Ltd 無線通信システム並びに中継装置及び遠隔無線基地局装置
KR20100068688A (ko) * 2008-12-15 2010-06-24 주식회사 엠투테크 유티피 선로를 이용한 중계방법 및 장치
KR20110130207A (ko) * 2010-05-27 2011-12-05 세원텔레텍 주식회사 이동통신 기지국 및 중계기용 송신장치의 최적화된 출력 송출방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101197606B (zh) * 2006-12-04 2012-03-07 京信通信技术(广州)有限公司 应用于直放站中的数字中频变频方法及其变频系统
CN101232653B (zh) * 2007-01-22 2012-07-18 中兴通讯股份有限公司 一种基于数字中频传输的射频拉远系统
US8737454B2 (en) * 2007-01-25 2014-05-27 Adc Telecommunications, Inc. Modular wireless communications platform
CN101350647B (zh) * 2007-07-16 2013-04-03 电信科学技术研究院 一种处理多天线信号的方法及系统
KR101406542B1 (ko) * 2007-08-10 2014-06-11 엘지전자 주식회사 ＰｏＥ를 이용하는 휴대용 컴퓨터시스템과 그 전원장치 및전원제어방법
KR20090123439A (ko) * 2008-05-28 2009-12-02 주식회사 케이티 다단 전송 방식을 이용한 원격 중계 시스템
GB2467773B (en) * 2009-02-13 2012-02-01 Socowave Technologies Ltd Communication system, apparatus and methods for calibrating an antenna array
CN201585144U (zh) * 2009-09-28 2010-09-15 福建三元达通讯股份有限公司 一种双频新型直放站系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010048227A (ko) * 1999-11-25 2001-06-15 오용훈 캐스케이드방식의 디지털 광 중계기
JP2007019807A (ja) * 2005-07-07 2007-01-25 Fujitsu Ltd 無線通信システム並びに中継装置及び遠隔無線基地局装置
KR20100068688A (ko) * 2008-12-15 2010-06-24 주식회사 엠투테크 유티피 선로를 이용한 중계방법 및 장치
KR20110130207A (ko) * 2010-05-27 2011-12-05 세원텔레텍 주식회사 이동통신 기지국 및 중계기용 송신장치의 최적화된 출력 송출방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104507154A (zh) * 2014-11-20 2015-04-08 上海华为技术有限公司 数据传输方法、通信设备及通信系统
WO2016078349A1 (fr) * 2014-11-20 2016-05-26 华为技术有限公司 Procédé de transmission de données, dispositif de communication et système de communication
CN104507154B (zh) * 2014-11-20 2018-04-10 上海华为技术有限公司 数据传输方法、通信设备及通信系统

Also Published As

Publication number Publication date
CN104380619A (zh) 2015-02-25
KR101426339B1 (ko) 2014-08-13
KR20130131558A (ko) 2013-12-04

Similar Documents

Publication Publication Date Title
WO2009123404A4 (fr) Système de relais de communication à l'intérieur d'un bâtiment utilisant la communication par ligne électrique et procédé correspondant
US8982904B2 (en) Network combining wired and non-wired segments
WO2014007487A1 (fr) Système de répétition de signal de communication pour protéger un bâtiment
US11516030B2 (en) Power management for distributed communication systems, and related components, systems, and methods
WO2017115925A1 (fr) Unité principale et système d'antenne distribué la comprenant
WO2017171120A1 (fr) Dispositif de mise en correspondance de signaux de station de base, unité d'interface de station de base et système d'antenne distribué le comprenant
WO2016108315A1 (fr) Dispositif d'appariement de signal de station de base
WO2019203424A1 (fr) Dispositif électronique et procédé de commande associé
WO2013176356A1 (fr) Dispositif formant station de base distante sans fil ayant une capacité d'extensibilité dans un domicile et comprenant un système de relais dans un bâtiment
KR101912872B1 (ko) 고밀집 네트워크 환경을 위한 WiFi 네트워크 시스템
WO2014017703A1 (fr) Système et procédé d'allocation de ressources sans fil
WO2016060294A1 (fr) Dispositif de tête de ligne dans un système d'antennes réparties et son procédé de traitement de signal
WO2015076480A1 (fr) Procédé de synchronisation temporelle entre unités de communication et système associé
WO2011074821A2 (fr) Système de commande d'éclairage d'une ville intelligente, avec module d'interface intelligent
WO2016108600A1 (fr) Procédé de sommation de signal numérique vers l'avant dans un système d'antenne distribué
WO2015093710A1 (fr) Dispositif de relais dans un système d'antenne distribué analogique
CN221263953U (zh) 一种无线话筒管理系统
CN213638228U (zh) 一种单路双流的跨楼层网络室分覆盖组网系统
KR100981738B1 (ko) 이동통신망을 이용하여 인터넷 서비스를 제공하는 중계기 시스템
CN213638226U (zh) 一种网络室分覆盖错层的楼层组网系统
KR101983015B1 (ko) 아파트용 구내통신망 중계 시스템
WO2024010388A1 (fr) Découverte et configuration de tdls pour une opération à liaisons multiples
AU2008202242A1 (en) Light switch as a wireless hub
WO2015002342A1 (fr) Dispositif et méthode de distribution/relais pour femto multi-utp
WO2016208821A1 (fr) Système et procédé de relais de communication mobile utilisant une ligne de secours de réseau privé d'abonné

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: 12877109

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 26.03.2015)

122 Ep: pct application non-entry in european phase

Ref document number: 12877109

Country of ref document: EP

Kind code of ref document: A1