CN105229930A - Distributing antenna system and near-end machine - Google Patents
Distributing antenna system and near-end machine Download PDFInfo
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- CN105229930A CN105229930A CN201380076706.XA CN201380076706A CN105229930A CN 105229930 A CN105229930 A CN 105229930A CN 201380076706 A CN201380076706 A CN 201380076706A CN 105229930 A CN105229930 A CN 105229930A
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- 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
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- 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
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Abstract
The embodiment of the present invention provides a kind of distributing antenna system and near-end machine.Distributing antenna system of the present invention, comprising: Network Management Equipment, at least two near-end machines, and at least one near-end machine in described at least two near-end machines is connected with at least one remote termination; Described near-end machine is the repeater in base station side in mobile indoor distributed system, and described remote termination is the repeater of user side in described mobile indoor distributed system; Connect between described at least two near-end machines, described Network Management Equipment is connected with at least one near-end machine in described at least two near-end machines.The embodiment of the present invention can realize remote termination and reuse, and dilatation is convenient, can realize the cross scheduling of signal, and Network Management Equipment can manage all far away, near-end machine equipment concentratedly, and configuring maintenance is convenient, flexible.
Description
Distributing antenna system and near-end machine
Technical field
The present embodiments relate to the communication technology, more particularly to a kind of distributing antenna system and near-end machine.Background technology
With the continuous evolution of 2G, 3G, 4G wireless communication technology, particularly after intelligent terminal listing, people rise to the index of data traffic requirement, and the increase at full speed of mobile subscriber and skyscraper it is more and more, traffic density and covering require also constantly to rise.The interior of base station, which is extended over, seems more and more important, and the indoor covering system of multiband multi-standard multi-operator requires also more and more.
Existing indoor distributed antenna system is all made up of near-end machine and remote termination two parts mostly, and near-end machine access carrier signal and offer network management interface are used for user configuring maintained equipment, remote termination output covering signal.In-door covering application scenarios majority is all multi-operator, multi-standard, multiband access, and the access capability that a near-end machine is provided is limited, and multiple near-end machines must just be used by wanting the complete access of offer.Fig. 1 is existing distributing antenna system schematic diagram.As shown in figure 1, each near-end machine needs one group far end machine of access to provide covering signal, each near-end machine is required for one webmaster of access to be used for user configuring maintained equipment.
There is problems with the prior art：1st, webmaster can not be managed concentratedly, and management is inconvenient；2nd, remote termination can not be reused, and only can not carry out dilatation by increasing near-end machine.The content of the invention
The embodiment of the present invention provides a kind of distributing antenna system and near-end machine, the reuse for realizing near-end machine, facilitates webmaster to manage concentratedly.
In a first aspect, the embodiment of the present invention provides a kind of distributing antenna system, including：It is remote that at least one near-end machine in Network Management Equipment, at least two near-end machines, at least two near-end machine is connected with least one
^ mountains-rt
Machine；
The near-end machine is to can be used for moving the repeater in base station side in indoor distributed system, and the remote termination is the repeater in user side that can be used in the movement indoor distributed system；
Connected between at least two near-end machine, in the Network Management Equipment and at least two near-end machine at least
One near-end machine connection.
With reference in a first aspect, in the first possible implementation of first aspect, when having two near-end machines or three near-end machines at least two near-end machine, being connected between the near-end machine using following at least one connected modes：
Chain type connection, annular connection；
Wherein, the chain type is connected as the near-end machine and is sequentially connected in series；
The annular is connected as the near-end machine and is sequentially connected in series and end to end.
With reference in a first aspect, in second of possible implementation of first aspect, when having at least four near-end machines at least two near-end machine, being connected between the near-end machine using following at least one connected modes:Star-like connection, chain type connection, annular connection
Wherein, this it is star-like be connected as the node centered on the near-end machine, remaining near-end machine is connected with the Centroid；
The chain type is connected as the near-end machine and is sequentially connected in series；
The annular is connected as the near-end machine and is sequentially connected in series and end to end.
In first and second kind of possible implementation with reference to first aspect or first aspect, in the third possible implementation of first aspect, have a main near-end machine and at least one proximally machine at least two near-end machine, the Network Management Equipment be connected with the main near-end machine or with this proximally machine be connected.
In the third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect, this at least one proximally machine have at least two proximally machine when, by the proximally node centered on machine, remaining this proximally machine be connected with the Centroid.
In the third possible implementation with reference to first aspect, in the 5th kind of possible implementation of first aspect, this at least one proximally machine have at least two proximally machine when, this at least two proximally machine be sequentially connected in series.
In the third possible implementation with reference to first aspect, in the 6th kind of possible implementation of first aspect, this at least one proximally machine have at least two proximally machine when, this at least two proximally machine be sequentially connected in series and end to end.
In the first ~ six any possible implementation with reference to first aspect or first aspect, in the 7th kind of possible implementation of first aspect, connected between the near-end machine using single cable or many cables.
Second aspect, the embodiment of the present invention provides a kind of near-end machine, and the near-end machine is to can be used for moving the repeater in base station side in indoor distributed system, including：
RF processing unit and digital processing element；
The RF processing unit is used to receive base station radio-frequency signal and be converted to data signal and be sent to the digital processing element, and the RF processing unit is additionally operable to receive the data signal of the digital processing element and be converted to radiofrequency signal to be sent to the base station；
The RF processing unit also includes data scheduling unit, and the data scheduling unit is used to realize data interaction between the port of the near-end machine and the port of other near-end machines；The digital processing element is connected with the RF processing unit, for being connected by port with other near-end machines or remote termination, the remote termination is the repeater in user side that can be used in the movement indoor distributed system, and the data signal of the data processing unit is dispatched between multiple optical ports；
The digital processing element is additionally operable to communicate with the RF processing unit, other near-end machines and the remote termination by common public radio interface CPRI agreement.
With reference to second aspect, in the first possible implementation of second aspect, the port is optical fiber interface.
Distributing antenna system of the embodiment of the present invention and near-end machine, distributing antenna system includes at least two near-end machines, and connected between near-end machine, at least one near-end machine therein is connected with least one remote termination, to provide covering signal, Network Management Equipment is connected with a near-end machine, due to realizing connection between at least two near-end machines, so at least one remote termination transmission signal that the access signal of any one near-end machine at least two near-end machines can be connected by least one near-end machine, realize remote termination reuse, reduce lower deployment cost, and only can carry out dilatation by increasing near-end machine, and again due to being connected between at least two near-end machines, as long as Network Management Equipment is connected with a near-end machine, the control management data that Network Management Equipment is issued can just reach all near-end machines and remote termination, realize centralized management of the Network Management Equipment to all near-end machines and remote termination.Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 4 is the schematic diagram one of distributing antenna system embodiment three of the present invention；
Fig. 5 is the schematic diagram two of distributing antenna system embodiment three of the present invention；
Fig. 6 is the schematic diagram three of distributing antenna system embodiment three of the present invention；
Fig. 7 is the schematic diagram four of distributing antenna system embodiment three of the present invention；
Fig. 8 is the schematic diagram one of distributing antenna system example IV of the present invention；
Fig. 9 is the schematic diagram two of distributing antenna system example IV of the present invention；
Figure 10 is the schematic diagram three of distributing antenna system example IV of the present invention；
Figure 11 is the schematic diagram four of distributing antenna system example IV of the present invention；
Figure 12 is the schematic diagram of distributing antenna system embodiment five of the present invention；
Figure 13 is the structural representation of near-end machine embodiment of the present invention.Embodiment is to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
It should be noted that in all figures of all embodiments of the invention, dotted line is represented as accessing signal data stream, and solid line represents control management data flow；Control management data flow and signal data stream have only drawn descending flow direction in all figures, and its data flow up direction and down direction are opposite.
Network Management Equipment can be that one kind supports browser, and the equipment for supporting operational management software, such as computer, NM server etc. in the embodiment of the present invention.Remote termination be can be used for move in indoor distributed system in the repeater of user side or Remote Radio Unit；Near-end machine is to can be used for moving the repeater in base station side in indoor distributed system, can be distributed control unit, wherein base station can be global system for mobile telecommunications（Global System of Mobile communication, GSM) system or CDMA（Code Division Multiple Access, CDMA) base station (Base Transceiver Station, BTS) in system or WCDMA（Wideband Code Division Multiple Access, WCDMA) base station in system（NodeB, NB), it can also be Long Term Evolution（Long Term Evolution, LTE) evolved base station in system（Evolutional Node B, ENB or eNodeB), the present invention is not limited.Distributing antenna system can be single distributing antenna system（Single
Distributed Antenna System, SingleDAS) for a kind of digital room point covering solution, in load power, reliability all has great advantage in terms of noise suppressed.
Fig. 2 is the schematic diagram of distributing antenna system embodiment one of the present invention, as shown in Fig. 2 the distributing antenna system of the present embodiment can include：At least one near-end machine in Network Management Equipment, at least two near-end machines, for example, near-end machine 1 and near-end machine 2, at least two near-end machines is connected with least one remote termination；Connected between at least two near-end machines, Network Management Equipment is connected with least one near-end machine at least two near-end machines.Solid arrow direction in Fig. 2 represents control management data flow direction, dotted arrow orientation representative signal data flow direction.
In existing distributing antenna system as shown in Fig. 1, each near-end machine needs access one or a group far end machine to provide covering signal, and each near-end machine is required for one Network Management Equipment of access to be used for user configuring maintained equipment.Remote termination can not be reused, and only can not carry out dilatation by increasing near-end machine；Network Management Equipment can not manage near-end machine and remote termination concentratedly.
Therefore, in the distributing antenna system of the present embodiment, as shown in Figure 2, include at least two near-end machines, and connected between near-end machine, at least one near-end machine therein is connected with least one remote termination, to provide covering signal, Network Management Equipment is connected with a near-end machine.
So in the distributing antenna system of the present invention, the control management data flow of Network Management Equipment output can reach all near-end machines and remote termination, and the access signal data stream of any one near-end machine, which can be dispatched on any one or more remote terminations, to be exported.
When multi-operator or single operator have compared with multiple access signal, one near-end machine can not meet demand, covering demand can be met in remote termination, by using existing remote termination, multiple near-end machines are connected, access signal gathering to being connected on the near-end machine of remote termination, with same or multiple remote terminations output covering signal, realize reuse remote termination and increase near-end machine progress dilatation.
Network Management Equipment configuration access signal transmitting flow in Fig. 2：
(1) Network Management Equipment distribution configuration command 1 arrives near-end machine 1,2, and the access signal for setting near-end machine 2 (is, for example, the access signal that operator A is provided）It is dispatched on the port that near-end machine 1 is connected with remote termination.
(2) Network Management Equipment distribution configuration command 2 arrives remote termination, sets remote termination that the access signal of near-end machine 2 is launched.
(3) Network Management Equipment distribution configuration command 3 arrives near-end machine 1, sets the access signal of near-end machine 1（The access signal that e.g. operator B is provided）It is dispatched on the port that near-end machine 1 is connected with remote termination.
(4) Network Management Equipment distribution configuration command 4 arrives remote termination, sets remote termination that the access signal of near-end machine 1 is launched.
In the present embodiment, include at least two near-end machines in distributing antenna system, and connected between near-end machine, at least one near-end machine therein is connected with least one remote termination, the remote termination is used to provide covering signal, Network Management Equipment is connected with a near-end machine, due to realizing connection between at least two near-end machines, so at least one remote termination transmission signal that the access signal of any one near-end machine at least two near-end machines can be connected by least one near-end machine, realize remote termination reuse, reduce lower deployment cost, and only can carry out dilatation by increasing near-end machine, and again due to being connected between at least two near-end machines, as long as Network Management Equipment is connected with a near-end machine, the control management data that Network Management Equipment is issued can just reach all near-end machines and remote termination, realize centralized management of the Network Management Equipment to all near-end machines and remote termination.
Several specific embodiments are used below, and the technical scheme to distributing antenna system embodiment shown in Fig. 2 is described in detail.
Fig. 3 is the schematic diagram of distributing antenna system embodiment two of the present invention, as shown in figure 3, near-end machine 1 and Network Management Equipment are directly connected to, near-end machine 2 and near-end machine 1 are connected；Near-end machine 1 and the respective chain of near-end machine 2 connect multiple remote terminations.Solid arrow direction in Fig. 3 represents control management data flow direction, dotted arrow orientation representative signal data flow direction.On the basis of embodiment illustrated in fig. 2, when many operator rooms are not in same storied building, but be required for covering building where other operators, so all near-end machines of all operators can be connected and signal cross can be dispatched on the remote termination of other side, by the remote termination output covering signal of other side, so it is achieved that alternate covering is disposed in strange land.
Network Management Equipment configuration access signal transmitting flow in Fig. 3：
(1) Network Management Equipment distribution configuration command 1 arrives near-end 1,2, sets the access signal near-end machine 2（The access signal that e.g. operator A is provided, in ^ A）It is dispatched on the port that near-end machine 1 is connected with remote termination.
(2) Network Management Equipment distribution configuration command 2 arrives near-end 1,2, sets the access signal near-end machine 1（The access signal that e.g. operator B is provided,：In B）It is dispatched on the port that near-end machine 2 is connected with remote termination.
(3) Network Management Equipment distribution configuration command 3 arrives near-end；On the remote termination of 1 connection, set remote termination that the access signal of near-end machine 1 and 2 is launched.
(4) on the remote termination that Network Management Equipment distribution configuration command 4 is connected to near-end machine 2, set remote termination that the access signal of near-end machine 1 and 2 is launched.
Wherein, it can be attached between near-end machine using cable, for example with cable or optical fiber.
The present embodiment, by that not connected in all near-end machines of multiple operators of same geographic area, signal cross can be dispatched on the remote termination of other side, passes through the remote termination output covering letter of other side
Number, realize strange land deployment alternate covering.
Fig. 4 is the schematic diagram one of distributing antenna system embodiment three of the present invention, Fig. 5 is the schematic diagram two of distributing antenna system embodiment three of the present invention, Fig. 6 is the schematic diagram three of distributing antenna system embodiment three of the present invention, as shown in Figure 4,5, 6, on the basis of system shown in Figure 2 embodiment one, further, in the distributing antenna system of the present embodiment, when having two near-end machines or three near-end machines at least two near-end machines, using following at least one connected mode connections between near-end machine：
Chain type connection, annular connection；
Wherein, chain type is connected as near-end machine and is sequentially connected in series；
Annular is connected as near-end machine and is sequentially connected in series and end to end；
And, when having at least four near-end machines at least two near-end machines, using following at least one connected mode connections between near-end machine：
Connected mode one：Star-like connection
Star-like to be connected as the node centered on a near-end machine, remaining near-end machine is connected with the Centroid.Specifically, as shown in Figure 4, the node centered on the near-end machine being directly connected to Network Management Equipment, remaining near-end machine is connected with this as the near-end machine of Centroid, it can be connected with each other, can also be not connected between remaining near-end machine, Network Management Equipment can be connected with any one near-end machine, any one near-end machine can connect one or more remote terminations, can also be not connected to any remote termination.
Connected mode two：Chain type is connected
Chain type is connected as near-end machine and is sequentially connected in series.
Specifically, as shown in figure 5, being sequentially connected in series between near-end machine, Network Management Equipment can be connected with any one near-end machine, and any one near-end machine can connect one or more remote terminations, can also be not connected to any remote termination.
Connected mode three：Annular connection
Annular is connected as near-end machine and is sequentially connected in series and end to end.
Specifically, as shown in fig. 6, being sequentially connected in series between near-end machine and one ring-type of end to end composition, Network Management Equipment can be connected with any one near-end machine, any one near-end machine can connect one or more remote terminations, can also be not connected to any remote termination.Solid arrow direction in Fig. 4-6 represents control management data flow direction, dotted arrow orientation representative signal data flow direction.The near-end machine of any one in Fig. 6, the near-end machine transmission signal data that for example near-end machine 1 can be attached thereto by both sides, signal is transmitted equivalent to there is both threads cable, Hot Spare, cold standby can be supported, system reliability can be improved, because cable capacity is limited, so control management data sheet is only shown in Fig. 6 to transmission, if passed using many cables
Transmission of data, then control management data can also as signal data in Fig. 6 transmitted in both directions.Hot Spare refers to a plurality of cable simultaneous transmission of signals of equipment room, when a part of cable therein breaks down, remaining cable can also transmit signal, cold standby refers to first using a part of cable transmission signal of equipment room, when this part cable breaks down, remaining cable transmission signal is enabled.
Annular connection can support Hot Spare, cold standby, it is possible to increase system reliability.
Fig. 7 is the schematic diagram four of distributing antenna system embodiment three of the present invention, as shown in fig. 7, the connected mode between near-end machine includes three of the above connected mode, i.e., star-like connection, chain type connection and annular connection.
In the present embodiment, all configuration access signal transmitting flows of Network Management Equipment in Fig. 7 are similar with Fig. 2, and here is omitted.
In the present embodiment, it is attached in distributing antenna system between at least two near-end machines using at least one mode of star-like connection, chain type connection or annular connection, in star-like connection centered on a near-end machine node, remaining near-end machine is connected with the Centroid, near-end machine is sequentially connected in series in chain type connection, near-end machine is sequentially connected in series and end to end in annular connection, similar with the technique effect of embodiment one, two, the annular connection in the present embodiment can also improve the reliability of system.
Fig. 8-12 is the schematic diagram of other five embodiments of distributing antenna system of the present invention, and the solid arrow direction wherein in figure represents control management data flow direction, dotted arrow orientation representative signal data flow direction
Fig. 8 is the schematic diagram one of distributing antenna system example IV of the present invention, as shown in figure 8, on the basis of embodiment one, three, further, in the distributing antenna system of the present embodiment, at least two near-end machines, including：Main near-end machine and at least one proximally machine, proximally the control management data directly received from Network Management Equipment can be sent to main near-end machine by machine, main near-end machine is according to the layout of system, the optimal transmission strategy of selection, by control management data it is more efficient be issued to all proximally machines and remote termination.
Network Management Equipment is connected with main near-end machine or is connected with proximally machine.
As shown in figure 8, distributing antenna system includes：Main near-end machine and at least one proximally machine, Network Management Equipment can be connected with main near-end machine or is connected with proximally machine, when Network Management Equipment is connected with main near-end machine, control management data can be handed down to other by main near-end machine needs device to be controlled, when Network Management Equipment with proximally machine is connected when, control management data first can will control management data be sent to main near-end machine by proximally machine by the pass-through channel between principal and subordinate's near-end machine, then be handed down to other from main near-end machine and need device to be controlled.Further, Fig. 9 is the schematic diagram two of distributing antenna system example IV of the present invention, and the system shown in Fig. 9 can be based on Fig. 2 to system shown in Figure 8, in the present embodiment, such as Fig. 9
It is shown, at least one proximally machine include：At least two proximally machines, wherein, the node centered on one proximally machine, remaining proximally machine be connected with the Centroid.
As shown in figure 9, including at least two proximally machines, wherein, the node centered on proximally machine 1, remaining proximally machine be connected with proximally machine 1, remaining can be proximally connected with each other between machine, can also be not connected to.The cascade structure between proximally machine shown in Fig. 9, because of the access of more proximally machines so that system can access more signal sources.
Further, Figure 10 is the schematic diagram three of distributing antenna system example IV of the present invention, and system shown in Figure 10 can be based on Fig. 2 to system shown in Figure 9, in the present embodiment, as shown in Figure 10, at least one proximally machine include：At least two proximally machines, at least two proximally machine be sequentially connected in series.
Further, Figure 11 is the schematic diagram four of distributing antenna system example IV of the present invention, and system shown in Figure 11 can be based on Fig. 2 to system shown in Figure 10, in the present embodiment, as shown in figure 11, at least one proximally machine include：At least two proximally machines, at least two proximally machine be sequentially connected in series and end to end.The loop configuration between proximally machine shown in Figure 11, in the loop configuration when other near-end machines break down in addition to proximally machine 1, can still form at least one effective communication link, improve system reliability.
In the present embodiment, by the way that near-end machine is set into a main near-end machine and at least one proximally machine, Network Management Equipment be connected with main near-end machine or be connected with proximally machine, and realization is by main near-end machine to controlling the scheduling of management data.
Figure 12 is the schematic diagram of distributing antenna system embodiment five of the present invention, on the basis of system shown in Fig. 1 ~ 11, further, in the present embodiment, as shown in figure 12, it can be connected between near-end machine using single cable or many cables, a plurality of straight line between near-end machine 1 and near-end machine 2 represents to connect using many cables between two near-end machines, so that transmission data capacity increase, to support more cells.It can be connected between near-end machine using single cable or many cables, can be used for the load sharing of data transfer and hot and cold backup when using the connection of many cables, it is possible to increase system transmission capacity and stability.
Network Management Equipment configuration access signal transmitting flow in Figure 12：
(1) Network Management Equipment distribution configuration command 1 arrives near-end machine 1,2, sets two lines cable transmission access signal.
(2) Network Management Equipment distribution configuration command 2 arrives near-end machine 1,2, sets two lines cable as cold standby, the two cable transmission data are enabled in other two cable fault.
(3) Network Management Equipment distribution configuration command 3 arrives near-end machine 1,2,3, sets on the port that the access signal dispatching of near-end machine 1 and near-end machine 3 is connected to near-end machine 2 with remote termination.
(4) Network Management Equipment distribution configuration command 4 arrives near-end machine 2, sets on the port that is connected to near-end machine 2 with remote termination of access signal dispatching of near-end machine 2.
(5) on the remote termination that Network Management Equipment distribution configuration command 5 is connected to near-end machine 2, set remote termination that the access signal of near-end machine 1, near-end machine 2 and near-end machine 3 is launched.
It in the present embodiment, can be connected between near-end machine using single cable or many cables, can be used for load sharing and hot and cold backup when using the connection of many cables, it is possible to increase system transmission capacity and stability.
Figure 13 is the structural representation of near-end machine embodiment of the present invention, as shown in figure 13, the near-end machine 130 in the present embodiment, including：
RF processing unit 1301 and digital processing element 1302;Wherein, RF processing unit 1301 is used in downlink reception base station radio-frequency signal and is converted to data signal and is sent to digital processing element 1302, and RF processing unit 1301, which is additionally operable to be converted to radiofrequency signal in the data signal of uplink receiving digital processing element 1302, is sent to the base station；
The RF processing unit 1301 also includes data scheduling unit 1303, and the data scheduling unit 1303 is used to realize data interaction between the port of the near-end machine and the port of other near-end machines；Digital processing element 1302 is connected with RF processing unit 1301, for being connected by optical fiber interface with other near-end machines or remote termination, the remote termination is the repeater in user side that can be used in the movement indoor distributed system, and the data signal of data processing unit 1302 can be dispatched between multiple optical fiber interfaces；
Digital processing element 1302 is used to communicate with RF processing unit 1301, other described near-end machines and the remote termination by common public radio interface CPRI agreement.
Digital processing element is the core processing control unit of whole distributing antenna system, it can be connected by port such as optical fiber interface with the near-end machine or remote termination that cascade, the optical fiber interface can be the optical port of the near-end machine in SingleDAS, the quantity of optical port can be determined according to required transmission data capacity, remote termination and near-end machine number.In addition, can be also attached by cableport.
Digital processing element is communicated and transmitting data stream in physical link layer by common public radio interface CPRI agreement with RF processing unit, other near-end machines and remote termination.The digital processing element of near-end machine passes through Fast Ethernet（Fast Ethernet, FE) network interface is connected with Network Management Equipment, and the control management data flow of Network Management Equipment is issued to near-end machine by Ethernet, and system status information can also be reported Network Management Equipment by near-end machine by Ethernet.By the way that C＆M passages or quick FE passages are controlled interacting for management data flow and access signal data stream information at a slow speed in CPRI between the near-end machine of interconnection and between near-end machine and remote termination.The data signal of digital processing element（Including access signal data stream and control management data flow）Can arbitrarily be dispatched between multiple optical fiber interfaces, thus realize on this basis near-end machine it
Between connection.Data scheduling unit in RF processing unit, can be field programmable gate array（Field Programmable Gate Array, FPGA), can also be application specific integrated circuit (Application-Specific Integrated Circuit, ASIC), the various data transmitted between near-end machine are scheduled by data scheduling unit, the data interaction between the port of any near-end machine is realized.
For example it is as shown in Figure 2, the access signal data stream that the access signal data stream for the optical fiber interface transmission that near-end machine 1 is connected with near-end machine 2 can be dispatched to the optical fiber interface that near-end machine 1 is connected with remote termination, i.e. near-end machine 2 can be launched by the remote termination of near-end machine 1；The control management data flow for the optical fiber interface that near-end machine 1 is connected with Network Management Equipment can be dispatched to the optical fiber interface that near-end machine 1 is connected with near-end machine 2.Main near-end machine and proximally machine can be included in distributing antenna system, main near-end machine is the control centre of whole system, it is responsible for the scheduling of system data flow, the control management data flow of main near-end machine and Network Management Equipment is issued to proximally machine or remote termination by C＆M passages or FE passages.
The near-end machine of the present embodiment can apply in the scheme of any distributing antenna system embodiment, and it realizes that philosophy and technique effect is similar, and here is omitted.
In the present embodiment, near-end machine is communicated by optical fiber interface and other near-end machines, the data signal that digital processing element 1302 is sent can be dispatched between multiple near-end machines and remote termination, so that being interconnected between near-end machine, so that the dilatation of near-end machine can be realized by near-end machine, can reusing for the near-end machine that the remote termination being connected from different near-end machines passes through interconnection, reduces lower deployment cost.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can realize by another way.For example, apparatus embodiments described above are only schematical, for example, the division of the unit or module, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or module can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of equipment or module, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.
The module illustrated as separating component can be or may not be physically separate, and the part shown as module can be or may not be physical module, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of module therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can be completed by the related hardware of programmed instruction.Foregoing program can be stored in a computer read/write memory medium.The program upon execution, performs the step of including above-mentioned each method embodiment；And
Foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (1)
- Claims1st, a kind of distributing antenna system, it is characterised in that including：At least one near-end machine in Network Management Equipment, at least two near-end machines, at least two near-end machine is connected with least one remote termination；The near-end machine is to can be used for moving the repeater in base station side in indoor distributed system, and the remote termination is the repeater in user side that can be used in the mobile indoor distributed system；Connected between at least two near-end machine, the Network Management Equipment is connected with least one near-end machine at least two near-end machine.2nd, system according to claim 1, it is characterised in that when having two near-end machines or three near-end machines at least two near-end machine, using following at least one connected mode connections between the near-end machine：Chain type connection, annular connection；Wherein, the chain type is connected as the near-end machine and is sequentially connected in series；The annular is connected as the near-end machine and is sequentially connected in series and end to end.3rd, system according to claim 1, it is characterised in that when having at least four near-end machines at least two near-end machine, using following at least one connected mode connections between the near-end machine：Star-like connection, chain type connection, annular connectionWherein, it is described it is star-like be connected as the node centered on a near-end machine, remaining described near-end machine is connected with the Centroid；The chain type is connected as the near-end machine and is sequentially connected in series；The annular is connected as the near-end machine and is sequentially connected in series and end to end.4th, according to any described system of claims 1 to 3, it is characterised in that have a main near-end machine and at least one proximally machine at least two near-end machine, the Network Management Equipment is connected with the main near-end machine or is connected with the proximally machine.5th, system according to claim 4, it is characterised in that it is described at least one proximally machine have at least two proximally machine when, by proximally node centered on machine described in one, proximally machine is connected with the Centroid described in remaining.6th, system according to claim 4, it is characterised in that it is described at least one proximally machine have at least two proximally machine when, described at least two proximally machine be sequentially connected in series.7th, system according to claim 4, it is characterised in that it is described at least one proximally machine have at least two proximally machine when, described at least two proximally machine be sequentially connected in series and end to end. 8th, according to any described system of claim 1 ~ 7, it is characterised in that connected between the near-end machine using single cable or many cables.9th, a kind of near-end machine, the near-end machine is to can be used for moving the repeater in base station side in indoor distributed system, it is characterised in that including：RF processing unit and digital processing element；The RF processing unit is used to receive base station radio-frequency signal and be converted to data signal and be sent to the digital processing element, and the RF processing unit is additionally operable to receive the data signal of the digital processing element and be converted to radiofrequency signal to be sent to the base station；The RF processing unit also includes data scheduling unit, and the data scheduling unit is used to realize data interaction between the port of the near-end machine and the port of other near-end machines；The digital processing element is connected with the RF processing unit, for being connected by port with other near-end machines or remote termination, the remote termination is the repeater in user side that can be used in the mobile indoor distributed system, and the data signal of the data processing unit is dispatched between multiple optical ports；The digital processing element is additionally operable to communicate with the RF processing unit, other near-end machines and the remote termination by common public radio interface CPRI agreement.10th, near-end machine according to claim 9, it is characterised in that the port is optical fiber interface.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/089365 WO2015085572A1 (en) | 2013-12-13 | 2013-12-13 | Distributed antenna system and master block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105229930A true CN105229930A (en) | 2016-01-06 |
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| CN201380076706.XA Pending CN105229930A (en) | 2013-12-13 | 2013-12-13 | Distributing antenna system and near-end machine |
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| Country | Link |
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| CN (1) | CN105229930A (en) |
| WO (1) | WO2015085572A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112751576A (en) * | 2020-12-31 | 2021-05-04 | 京信网络***股份有限公司 | DAS (data-based System) expansion method and device, DAS, communication equipment and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425902B (en) * | 2017-05-12 | 2020-03-24 | 京信通信***（中国）有限公司 | Cell capacity expansion device, system and method |
| CN111162863B (en) * | 2019-12-31 | 2022-09-30 | 京信网络***股份有限公司 | Access network device and data processing method |
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| CN201039141Y (en) * | 2006-12-26 | 2008-03-19 | 京信通信技术(广州)有限公司 | A RF integration channel one-drive-multiple optical fiber repeater |
| CN201210678Y (en) * | 2008-06-12 | 2009-03-18 | 洪杰星 | Railway GSM-R digital optical fiber repeater station communication system |
| CN202906912U (en) * | 2012-11-13 | 2013-04-24 | 张锡统 | Multimode digital radio frequency remote system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102448052B (en) * | 2011-12-06 | 2015-02-04 | 京信通信***（中国）有限公司 | Multi-service mixed signal transmission method, device and system |
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2013
- 2013-12-13 WO PCT/CN2013/089365 patent/WO2015085572A1/en active Application Filing
- 2013-12-13 CN CN201380076706.XA patent/CN105229930A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039141Y (en) * | 2006-12-26 | 2008-03-19 | 京信通信技术(广州)有限公司 | A RF integration channel one-drive-multiple optical fiber repeater |
| CN201210678Y (en) * | 2008-06-12 | 2009-03-18 | 洪杰星 | Railway GSM-R digital optical fiber repeater station communication system |
| CN202906912U (en) * | 2012-11-13 | 2013-04-24 | 张锡统 | Multimode digital radio frequency remote system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112751576A (en) * | 2020-12-31 | 2021-05-04 | 京信网络***股份有限公司 | DAS (data-based System) expansion method and device, DAS, communication equipment and medium |
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| WO2015085572A1 (en) | 2015-06-18 |
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Application publication date: 20160106 |