WO2015085572A1 - Système d'antenne distribué et bloc maître - Google Patents

Système d'antenne distribué et bloc maître Download PDF

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Publication number
WO2015085572A1
WO2015085572A1 PCT/CN2013/089365 CN2013089365W WO2015085572A1 WO 2015085572 A1 WO2015085572 A1 WO 2015085572A1 CN 2013089365 W CN2013089365 W CN 2013089365W WO 2015085572 A1 WO2015085572 A1 WO 2015085572A1
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WO
WIPO (PCT)
Prior art keywords
machines
proximal
machine
processing unit
slave
Prior art date
Application number
PCT/CN2013/089365
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English (en)
Chinese (zh)
Inventor
邢宏伟
龚兰平
袁震
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201380076706.XA priority Critical patent/CN105229930A/zh
Priority to PCT/CN2013/089365 priority patent/WO2015085572A1/fr
Publication of WO2015085572A1 publication Critical patent/WO2015085572A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units

Definitions

  • Embodiments of the present invention relate to communication technologies, and in particular, to a distributed antenna system and a near-end machine. Background technique
  • FIG. 1 is a schematic diagram of a conventional distributed antenna system. As shown in Figure 1, each near-end machine needs to access a set of remote machines to provide coverage signals. Each near-end machine needs to access a network management system for users to configure maintenance equipment.
  • the network management system cannot be centrally managed, and the management is inconvenient; 2.
  • the remote end machine cannot be reused, and cannot be expanded only by adding a near-end machine. Summary of the invention
  • the embodiments of the present invention provide a distributed antenna system and a near-end machine, which are used to implement re-use of the near-end machine, and facilitate centralized management of the network management.
  • an embodiment of the present invention provides a distributed antenna system, including: a network management device, at least two near-end machines, and at least one of the at least two near-end machines is connected to at least one far
  • the near-end machine is a repeater on the base station side that can be used in a mobile indoor distribution system
  • the remote machine is a repeater on the user side that can be used in the mobile indoor distribution system
  • a near-end machine is connected.
  • chain connection is connected in series to the near end machine
  • the annular connection is that the proximal machines are connected in series in series and end to end.
  • the at least one connection manner is adopted between the near-end machines Connection: star connection, chain connection, ring connection
  • the star connection is centered on one of the near-end machines, and the remaining near-end machines are connected to the central node;
  • the chain connection is connected in series to the proximal end machine
  • the annular connection is that the proximal machines are connected in series in series and end to end.
  • the at least two near-end machines have a primary near-end machine and At least one from the near end machine, the network management device is connected to the main near end machine or to the slave near end machine.
  • the at least one from the near-end machine has at least two from the near-end machine, The end machine is the central node, and the rest of the slave end machines are connected to the central node.
  • the at least one from the near-end machine has at least two from the near-end machine, the at least two The proximal machines are connected in series in series.
  • the at least one from the near-end machine has at least two from the near-end machine, the at least two The proximal machines are connected in series and connected end to end.
  • the single-cable or multi-line is adopted between the near-end machines Cable connection.
  • an embodiment of the present invention provides a near-end machine, which is a repeater on a base station side that can be used in a mobile indoor distribution system, and includes:
  • the radio frequency processing unit is configured to receive the radio frequency signal of the base station and convert the digital signal to the digital processing unit, and the radio frequency processing unit is further configured to receive the digital signal of the digital processing unit and convert the digital signal into a radio frequency signal and send the signal to the base station;
  • the radio processing unit further includes a data scheduling unit, configured to implement data interaction between the port of the near-end machine and the port of the other near-end machine;
  • the digital processing unit is connected to the radio frequency processing unit, and configured to: Connected to other near-end machines or remote units through ports, the remote units are repeaters on the user side that can be used in the mobile indoor distribution system, and the digital signals of the data processing unit are scheduled among the plurality of optical ports ;
  • the digital processing unit is further configured to communicate with the radio frequency processing unit, the other near end machines, and the remote unit via a universal public wireless interface CPRI protocol.
  • the port is a fiber optic interface.
  • the distributed antenna system and the near-end machine includes at least two near-end machines, and the near-end machines are connected, and at least one of the near-end machines is connected with at least one remote machine.
  • the network management device is connected to a near-end machine, and the connection signal of any one of the at least two near-end machines can pass at least one proximal end due to the connection between the at least two near-end machines
  • At least one remote machine connected to the machine transmits a signal, which realizes remote machine reuse, reduces deployment cost, and can expand capacity only by adding a near-end machine, and because at least two near-end machines are connected, the network management device only needs to A near-end machine is connected, and the control management data sent by the network management device can reach all the near-end machines and the remote machines, thereby realizing centralized management of all the near-end machines and the remote machines by the network management equipment.
  • FIG. 4 is a schematic diagram 1 of a third embodiment of a distributed antenna system according to the present invention.
  • FIG. 5 is a second schematic diagram of a third embodiment of a distributed antenna system according to the present invention.
  • FIG. 6 is a schematic diagram 3 of a third embodiment of a distributed antenna system according to the present invention.
  • FIG. 7 is a schematic diagram 4 of a third embodiment of a distributed antenna system according to the present invention.
  • Embodiment 4 of a distributed antenna system is a first schematic diagram of Embodiment 4 of a distributed antenna system according to the present invention.
  • Embodiment 4 of a distributed antenna system is a second schematic diagram of Embodiment 4 of a distributed antenna system according to the present invention.
  • FIG. 10 is a schematic diagram 3 of Embodiment 4 of a distributed antenna system according to the present invention.
  • FIG. 11 is a schematic diagram 4 of Embodiment 4 of a distributed antenna system according to the present invention.
  • Embodiment 5 of a distributed antenna system according to the present invention.
  • FIG. 13 is a schematic structural view of an embodiment of a proximal end machine according to the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • the broken lines are all represented as access signal data streams, and the solid lines represent control management data streams; in all the figures, the control management data stream and the signal data stream only draw the downstream flow direction. , the upstream direction of the data stream is opposite to the downstream direction.
  • the network management device in the embodiment of the present invention may be a device that supports a browser and supports running management software, such as a computer, a network management server, and the like.
  • the remote machine is a repeater on the user side that can be used in the mobile indoor distribution system, or can be a radio remote unit; the near end machine is a repeater on the base station side that can be used in the mobile indoor distribution system, and can be a distributed control unit, where the base station may be a Global System of Mobile communication (GSM) system or a Base Transceiver Station (BTS) in a Code Division Multiple Access (CDMA) system, or may be A base station (NodeB, NB) in a Wideband Code Division Multiple Access (WCDMA) system, or an evolved base station (Evolutional Node B, ENB or eNodeB) in a Long Term Evolution (LTE) system.
  • GSM Global System of Mobile communication
  • BTS Base Transceiver Station
  • CDMA Code Division Multiple Access
  • the distributed antenna system of this embodiment may include: a network management device, at least two near-end machines, for example, a near-end machine 1 and a near
  • the at least one of the at least two proximal machines is connected to at least one remote machine; the at least two proximal machines are connected, and the network management device and at least one of the at least two proximal machines are connected Machine connection.
  • the direction of the solid arrow in Figure 2 indicates the direction of the control management data flow, and the direction of the dotted arrow indicates the direction of the signal data flow.
  • each near-end machine needs to access one or a group of remote machines to provide coverage signals, and each near-end machine needs to access a network management device for users.
  • Configure maintenance devices The remote machine cannot be reused, and cannot be expanded only by adding a near-end machine; the network management device cannot centrally manage the near-end machine and the remote machine.
  • the network management device is connected to a near-end machine.
  • control management data stream output by the network management device can reach all the near-end machines and the remote units, and the access signal data stream of any one of the near-end units can be scheduled to any one or more fars. Output on the terminal.
  • one near-end machine can't meet the demand, and the remote machine can meet the coverage requirement.
  • multiple near-end machines can be connected.
  • the access signal is aggregated to the near-end machine connected to the remote machine, and the coverage signal is output by the same or multiple remote machines, thereby realizing the reuse of the remote machine and increasing the near-end machine for capacity expansion.
  • Figure 2 shows the network device configuration access signal transmission process
  • the network management device sends the configuration command 1 to the near-end machine 1, 2, and sets the access signal of the near-end machine 2 (for example, the access signal provided by the operator A) to be dispatched to the near-end machine 1 and connected to the remote machine. On the port.
  • the access signal of the near-end machine 2 for example, the access signal provided by the operator A
  • the network management device sends the configuration command 2 to the remote machine, and sets the remote machine to transmit the access signal of the near-end machine 2.
  • the network management device sends the configuration command 3 to the near-end machine 1, and sets the access signal of the near-end machine 1 (for example, the access signal provided by the operator B) to the port connected to the remote machine 1 and the remote machine. on.
  • the access signal of the near-end machine 1 for example, the access signal provided by the operator B
  • the network management device sends configuration command 4 to the remote machine, and sets the remote machine to transmit the access signal of the near-end machine 1.
  • the distributed antenna system includes at least two near-end machines, and the near-end machines are connected, and at least one of the near-end machines is connected with at least one remote machine, and the remote machine is used for providing coverage.
  • the signal, the network management device is connected to a near-end machine, and the connection signal of any one of the at least two near-end machines can be connected through at least one near-end machine due to the connection between the at least two near-end machines
  • At least one remote machine transmits signals, realizes remote machine reuse, reduces deployment cost, and can expand capacity only by adding a near-end machine, and because at least two near-end machines are connected, the network management device only needs to be close to one
  • the terminal management connection and the control management data sent by the network management device can reach all the near-end machines and the remote machines, and realize centralized management of all the near-end machines and the remote machines by the network management equipment.
  • FIG. 3 is a schematic diagram of Embodiment 2 of the distributed antenna system of the present invention.
  • the near end machine 1 and the network management equipment are directly connected, the near end machine 2 and the near end machine 1 are connected; the near end machine 1 and the near end machine 2
  • Each chain is connected to a plurality of remote machines.
  • the direction of the solid arrow in Figure 3 indicates the direction of the control management data flow, and the direction of the dotted arrow indicates the direction of the signal data flow.
  • Figure 3 shows the network management device configuration access signal transmission process
  • the network management device sends configuration command 1 to the near end 1, 2, and sets the access signal of the near-end machine 2 (for example, the access signal provided by the operator A, in ⁇ A) to the near-end machine 1 On the port that is connected to the remote unit.
  • the access signal of the near-end machine 2 for example, the access signal provided by the operator A, in ⁇ A
  • the NMS sends the configuration command 2 to the near end 1, 2, and sets the access signal of the near-end machine 1 (for example, the access signal provided by the operator B, in the B:) to the near-end machine. 2 On the port connected to the remote unit.
  • the access signal of the near-end machine 1 for example, the access signal provided by the operator B, in the B:
  • the network management device sends the configuration command 3 to the near end; . 1 on the connected remote machine, set the remote machine to transmit the access signals of the near-end machines 1 and 2.
  • the network management device sends the configuration command. 4 To the remote machine connected to the near-end machine 2, set the remote machine to transmit the access signals of the near-end machines 1 and 2.
  • the cables can be connected between the near-end machines, for example, cables or optical fibers.
  • the signals can be cross-distributed to the remote machine of the other party, and the coverage signal is output through the remote machine of the other party. No., realized cross-over coverage in off-site deployment.
  • FIG. 4 is a schematic diagram 1 of a third embodiment of a distributed antenna system according to the present invention
  • FIG. 5 is a second schematic diagram of a third embodiment of a distributed antenna system according to the present invention
  • 4, 5, 6 on the basis of the system embodiment 1 shown in FIG. 2, further, in the distributed antenna system of the embodiment, at least two near-end machines have two near-end machines or three For a near-end machine, the near-end machines are connected by at least one of the following connections:
  • the chain connection is connected in series to the near end machine
  • the ring connection is connected in series to the near end machine and connected end to end;
  • the near-end machines are connected by at least one of the following connection methods:
  • the star connection is centered on one near-end machine, and the other near-end machines are connected to the central node.
  • the near-end machine directly connected to the network management device is used as a central node, and the other near-end machines are connected to the near-end machine as the central node, and the other near-end machines can be connected to each other. It can be disconnected.
  • the network management device can be connected to any one of the near-end machines. Any one of the near-end machines can be connected to one or more remote units, or no remote unit can be connected.
  • Connection method 2 chain connection
  • the chain connection is connected in series for the near-end machines.
  • the near-end machines are sequentially connected in series, and the network management device can be connected to any one of the near-end machines, and any one of the near-end machines can be connected to one or more remote machines, or can be connected without any connection.
  • Remote machine can be connected to any one of the near-end machines, and any one of the near-end machines can be connected to one or more remote machines, or can be connected without any connection.
  • Connection method 3 ring connection
  • the ring connection is a series connection of the near-end machines in series and end to end.
  • the proximal end machines are connected in series and end to end to form a ring shape, and the network management device can be connected to any one of the proximal end machines, and any one of the near end machines can be connected to one or more remote ends. It is also possible to connect to any remote unit.
  • the direction of the solid arrow in Figure 4-6 indicates the direction of the control management data flow, and the direction of the dotted arrow indicates the direction of the signal data flow.
  • the near-end machine 1 can transmit signal data through the near-end devices connected to the two sides, which is equivalent to two cables transmitting signals, which can support hot backup and cold backup, and can improve System reliability, because the cable capacity is limited, only the control management data is transmitted in one direction in Figure 6, if multiple cable transmission is used.
  • the control management data can also be transmitted in both directions as the signal data in FIG.
  • Hot backup refers to multiple cables between devices transmitting signals at the same time. When some cables fail, the remaining cables can also transmit signals.
  • Cold backup refers to the use of a part of cables between devices to transmit signals. When this part of the cable fails, enable the remaining cable transmission signals.
  • the ring connection can support hot backup and cold backup, which can improve system reliability.
  • FIG. 7 is a schematic diagram 4 of Embodiment 3 of the distributed antenna system of the present invention.
  • the connection manner between the near-end machines includes the above three connection modes, namely, a star connection, a chain connection, and a ring connection.
  • At least two of the near-end machines in the distributed antenna system are connected by at least one of a star connection, a chain connection, or a ring connection, and the star connection is centered on a near-end machine.
  • the other proximal-end machines are connected to the central node, and the proximal-end machines in the chain connection are connected in series, and the proximal-end machines in the ring-shaped connection are connected in series and connected end to end, which is similar to the technical effects of the first embodiment and the second embodiment.
  • the ring connection also increases the reliability of the system.
  • FIGS. 8-12 are schematic diagrams of further five embodiments of the distributed antenna system of the present invention, wherein the direction of the solid arrow in the figure indicates the direction of the control management data flow, and the direction of the dotted arrow indicates the direction of the signal data flow.
  • FIG. 8 is a first schematic diagram of Embodiment 4 of the distributed antenna system according to the present invention.
  • the machine includes: a main near-end machine and at least one slave near-end machine, wherein the near-end machine can transmit control management data directly received from the network management device to the main near-end machine, and the main near-end machine selects an optimal according to the layout of the system.
  • the transmission strategy will control the management data more efficiently to all from the near-end and far-end machines.
  • the network management device is connected to the main near-end machine or to the near-end machine.
  • the distributed antenna system includes: a main near-end machine and at least one slave near-end machine, and the network management device can be connected to the main near-end machine or connected from the near-end machine, when the network management device and the main near-end machine When connected, the control management data can be sent to other devices that need to be controlled by the main near-end machine.
  • the control management data can be first passed between the master and the slave through the near-end machine.
  • the transparent transmission channel sends the control management data to the main near-end machine, and then sends it from the main near-end machine to other devices that need to be controlled.
  • 9 is a schematic diagram 2 of Embodiment 4 of the distributed antenna system of the present invention.
  • At least one of the slaves includes: at least two slaves, wherein one is centered on the slave and the rest is connected to the slave.
  • proximal end machine 1 is a central node
  • the rest from the proximal end machine are connected to the proximal end machine 1, and the rest from the near end machine can mutually Connected or not connected.
  • the cascading structure from the near-end machine shown in Figure 9 allows more access to the signal source due to more access from the near-end machine.
  • FIG. 10 is a schematic diagram 3 of Embodiment 4 of the distributed antenna system of the present invention.
  • the system shown in FIG. 10 can be based on the system shown in FIG. 2 to FIG. 9.
  • at least one The proximal machine includes: at least two from the near end machine, and at least two from the near end machine in series.
  • FIG. 11 is a schematic diagram 4 of Embodiment 4 of the distributed antenna system of the present invention, and the system shown in FIG. 11 can be based on the system shown in FIG. 2 to FIG. 10, in this embodiment, as shown in FIG. 11, at least one
  • the near-end machine includes: at least two from the near-end machine, and at least two from the near-end machine in series and connected end to end.
  • the ring structure from the proximal end machine shown in Fig. 11 in which at least one effective communication link can be formed in addition to the failure of the proximal end machine other than the proximal end machine 1 to improve the reliability of the system. Sex.
  • the network management device is connected to the main near-end machine or connected to the near-end machine, thereby implementing control and management by the main near-end machine pair. Scheduling of data.
  • FIG. 12 is a schematic diagram of Embodiment 5 of the distributed antenna system according to the present invention.
  • Cable or multi-cable connection multiple lines between the near-end machine 1 and the near-end machine 2 indicate that multiple cable connections are used between the two near-end machines, so that the transmission data capacity is increased to support more cells.
  • the single-cable or multi-cable connection between the near-end machines can be used for load sharing and cold and hot backup of data transmission when multi-cable connection is used, which can improve system transmission capacity and stability.
  • Figure 12 shows the network device configuration access signal transmission process
  • the network management device sends configuration commands 1 to the near-end machine 1, 2, and sets two cable transmission access signals.
  • the network management device sends the configuration command 2 to the near-end machine 1, 2, set two cables as the cold backup, and enable the two cables to transmit data when the other two cables are faulty.
  • the network management device sends configuration commands 3 to the near-end machines 1, 2, and 3, and sets the access signals of the near-end machine 1 and the near-end machine 3 to the ports connected to the remote unit 2 and the remote unit.
  • the network management device sends configuration command 4 to the near-end machine 2, and sets the access signal of the near-end machine 2 to the port where the near-end machine 2 is connected to the remote machine.
  • the network management device sends the configuration command 5 to the remote machine connected to the near-end machine 2, and sets the remote machine to transmit the access signals of the near-end machine 1, the near-end machine 2 and the near-end machine 3.
  • the single-cable or multi-cable connection can be used between the near-end machines.
  • multi-cable connection it can be used for load sharing and cold and hot backup, which can improve system transmission capacity and stability.
  • FIG. 13 is a schematic structural diagram of an embodiment of a proximal end machine according to the present invention. As shown in FIG. 13, the near-end machine 130 in this embodiment includes:
  • the radio frequency processing unit 1301 and the digital processing unit 1302 are configured to receive the radio frequency signal of the base station in the downlink and convert the digital radio signal into a digital processing unit 1302.
  • the radio frequency processing unit 1301 is further configured to receive the digital processing unit 1302 in the uplink. Converting the digital signal to a radio frequency signal and transmitting the signal to the base station;
  • the radio processing unit 1301 further includes a data scheduling unit 1303, configured to implement data interaction between the port of the near-end machine and ports of other near-end machines; and the digital processing unit 1302 is connected to the radio frequency processing unit 1301.
  • the remote unit is a repeater on the user side that can be used in the mobile indoor distribution system, and the digital signal of the data processing unit 1302 can be on multiple fiber interfaces. Inter-scheduling
  • the digital processing unit 1302 is configured to communicate with the radio frequency processing unit 1301, the other near-end machines, and the remote unit via a universal public radio interface CPRI protocol.
  • the digital processing unit is the core processing control unit of the entire distributed antenna system, and can be connected to the cascaded near-end machine or the remote machine through a port such as a fiber interface, which can be an optical port of the near-end machine in the SingleDAS, the light
  • a port such as a fiber interface, which can be an optical port of the near-end machine in the SingleDAS, the light
  • the number of ports can be determined according to the required data capacity, the number of remote machines and the number of near-end machines. In addition, connections can also be made via cable ports.
  • the digital processing unit communicates and transmits data streams with the radio frequency processing unit, other near-end machines, and the remote unit through the common public wireless interface CPRI protocol at the physical link layer.
  • the digital processing unit of the near-end machine is connected to the network management device through a Fast Ethernet (FE) network port.
  • FE Fast Ethernet
  • the control management data flow of the network management device is sent to the near-end machine through the Ethernet, and the near-end machine can also be connected via Ethernet.
  • the system status information is reported to the network management device.
  • the interconnected near-end machine and the near-end machine and the remote machine control the data flow and the interaction of the access signal data stream information through the slow C&M channel or the fast FE channel in the CPRI.
  • the digital signal of the digital processing unit (including the access signal data stream and the control management data stream) can be arbitrarily scheduled between multiple fiber interfaces, thereby implementing the near-end machine on the basis of The connection between the two.
  • the data scheduling unit in the RF processing unit may be a Field Programmable Gate Array (FPGA) or an Application-Specific Integrated Circuit (ASIC), and the data scheduling unit may be used for the near-end machine.
  • FPGA Field Programmable Gate Array
  • ASIC Application-Specific Integrated Circuit
  • the access signal data stream transmitted by the fiber optic interface of the near-end machine 1 and the near-end machine 2 can be scheduled to the fiber interface of the near-end machine 1 and the remote machine, that is, the connection of the near-end machine 2
  • the incoming signal data stream can be transmitted through the remote machine of the near-end machine 1; the control management data stream of the fiber interface of the near-end machine 1 and the network management device can be scheduled to the fiber interface of the near-end machine 1 and the near-end machine 2.
  • the main near-end machine and the slave near-end machine can be included, and the main near-end machine is the control center of the whole system, which is responsible for scheduling the system data flow, and the control data flow of the main near-end machine and the network management device passes the C&M.
  • the channel or FE channel is delivered to the slave or remote unit.
  • the near-end machine of this embodiment can be applied to the solution of any distributed antenna system embodiment, and the implementation principle is similar to the technical effect, and details are not described herein again.
  • the near-end machine communicates with other near-end machines through the optical fiber interface, and the digital signal sent by the digital processing unit 1302 can be scheduled between the plurality of near-end machines and the remote machine, so that the near-end machines are interconnected. Therefore, the expansion of the near-end machine can be realized by the near-end machine, that is, the remote machine connected to different near-end machines can be reused through the interconnected near-end machines, thereby reducing the deployment cost.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are only schematic.
  • the division of the unit or module is only a logical function division.
  • there may be another division manner for example, multiple units or modules may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or module, and may be in electrical, mechanical or other form.
  • the modules described as separate components may or may not be physically separate.
  • the components displayed as modules may or may not be physical modules, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the various method embodiments described above;
  • the foregoing storage medium includes various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

Abstract

L'invention concerne un système d'antenne distribué et un bloc maître. La présente invention concerne un système d'antenne distribué qui comprend un dispositif de gestion de réseau et au moins deux blocs maîtres, au moins l'un desdits deux blocs maîtres étant connecté à au moins un bloc esclave ; chaque bloc maître étant un répéteur sur un côté station de base dans un système de distribution intérieur mobile, et chaque bloc esclave étant un répéteur sur un côté utilisateur dans le système de distribution intérieur mobile ; lesdits deux blocs maîtres étant connectés l'un à l'autre ; et le dispositif de gestion de réseau étant connecté à au moins l'un desdits deux blocs maîtres. Les modes de réalisation de la présente invention peuvent parvenir à la réutilisation du bloc esclave et à une expansion commode, et peuvent parvenir à la planification croisée de signaux. En outre, le dispositif de gestion de réseau peut réaliser une gestion centralisée sur tous les dispositifs de blocs esclave et maître, de telle sorte que la configuration et la maintenance sont commodes et flexibles.
PCT/CN2013/089365 2013-12-13 2013-12-13 Système d'antenne distribué et bloc maître WO2015085572A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380076706.XA CN105229930A (zh) 2013-12-13 2013-12-13 分布式天线系统及近端机
PCT/CN2013/089365 WO2015085572A1 (fr) 2013-12-13 2013-12-13 Système d'antenne distribué et bloc maître

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Application Number Priority Date Filing Date Title
PCT/CN2013/089365 WO2015085572A1 (fr) 2013-12-13 2013-12-13 Système d'antenne distribué et bloc maître

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WO2015085572A1 true WO2015085572A1 (fr) 2015-06-18

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CN111162863A (zh) * 2019-12-31 2020-05-15 京信通信系统（中国）有限公司 接入网设备和数据处理方法
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