CN207588865U - network access system - Google Patents
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- CN207588865U CN207588865U CN201721881265.2U CN201721881265U CN207588865U CN 207588865 U CN207588865 U CN 207588865U CN 201721881265 U CN201721881265 U CN 201721881265U CN 207588865 U CN207588865 U CN 207588865U
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Abstract
The utility model embodiment provides a kind of network access system, wherein, which includes：Micro-base station, optical network unit ONU, optical splitter, optical line terminal OLT, convergence switch and wireless access network router；Wherein, the micro-base station is connect with the ONU, and the ONU is connect with the optical splitter, and the optical splitter is connect with the OLT, and the OLT is connect with the convergence switch, and the convergence switch is connect with router.The network access system that the utility model embodiment provides can improve the efficiency of micro-base station access network, reduce cost.
Description
Technical field
The utility model embodiment is related to field of communication technology more particularly to a kind of network access system.
Background technology
With Long Term Evolution (LTE) network construction deepen continuously and user persistently carries to what network quality required
It rises, the addressing that network construction faces is difficult, depth covering is insufficient, and problem becomes increasingly conspicuous, especially high-rise building, intensive cell, weight
The depth covering problem of client and business hall is wanted, is always the problem for perplexing operator.Micro-base station is disposed, using macro base station and micro-
Base station networking combination is to solve the problems, such as this effective means.
In engineering construction, micro-base station access is generally required to be realized by laying optical cable again, but new cable of giving out light is by existing
There are pole line and pipeline condition to influence, time-consuming, and construction is difficult, and micro-base station accesses the less efficient of network, and cost is higher.
Utility model content
The utility model embodiment provides a kind of network access system, to improve the efficiency of micro-base station access network, drop
Low cost.
The utility model embodiment provides a kind of network access system, including：
Micro-base station, optical network unit ONU, optical splitter, optical line terminal OLT, convergence switch and wireless access network road
By device；
Wherein, the micro-base station is connect with the ONU, and the ONU is connect with the optical splitter, the optical splitter with it is described
OLT connections, the OLT are connect with the convergence switch, and the convergence switch is connect with router.
Optionally, the ONU is connect with the optical splitter by single optical fibre.
Optionally, the optical splitter is connect with the OLT by single optical fibre.
Optionally, the convergence switch is connect with the router optical fiber.
Optionally, the system also includes the gateway of Evolved Packet Core, the router and the services
Gateway connects.
Optionally, the system also includes light end switch CE, the router is connect with the smooth end switch CE.
Optionally, the system also includes radio network controller RNC, the router and the radio net controls
Device RNC connections processed.
Optionally, the system also includes a babinet, the micro-base station and the ONU to be arranged in the babinet.
Optionally, optical fiber is additionally provided in the babinet and introduces unit, the ONU introduces unit and institute by the optical fiber
State the connection of optical splitter optical fiber.
Optionally, ventilation opening and chamber door are provided on the babinet.
The signal of micro-base station is back to OLT using existing broadband access optical fiber via ONU after optical splitter converges, from
OLT accesses the convergence switch of Metropolitan Area Network (MAN).It is built between the convergence switch of Metropolitan Area Network (MAN) and the router of wireless access network simultaneously
Vertical optical fiber connection, convergence switch distribute two individual virtual LAN VLANs number for micro-base station, pass through VLAN transparent transmissions
With Transmission Connection.Privately owned management IP address, two vlan numbers of transparent transmission micro-base station are configured for ONU in OLT.By the two on ONU
Vlan number is converted into the exclusive vlan number of micro-base station.It is transparent transmission that micro-base station, which passes through entire Metropolitan Area Network (MAN), does not connect broadband access clothes
It is engaged in device, does not enter public network, EPC is just back to by wireless access network, the entire passback process of micro-base station to EPC is with one
It carries out on the private network of a public network isolation, effective guarantee safety.
By the way that micro-base station is connect with optical network unit ONU, ONU is connect with optical splitter for the utility model embodiment, will
Optical splitter is connect with optical line terminal OLT, and OLT is connect with convergence switch, by the road of convergence switch and wireless access network
It is connected by device, so as to access wireless access network by the router.Since the utility model is with being divided by ONU by micro-base station
What device was attached, the connection between ONU and optical splitter can not have to lay optical cable again, but can be by existing broadband
Incoming fiber optic is attached, and therefore, reduces difficulty of construction, is improved the efficiency of micro-base station access network, is reduced cost.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of network access system structure diagram that the utility model embodiment provides；
Fig. 2 is a kind of network access system structure diagram that the utility model embodiment provides；
Fig. 3 is the structure diagram for the babinet 27 that the utility model embodiment provides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The term " comprising " and " having " of the specification and claims of the utility model and their any deformation,
Be intended to cover it is non-exclusive include, for example, the device of process or structure for containing series of steps be not necessarily limited to it is clear
It is that those structures or step that ground is listed but may include are not listed clearly or for intrinsic its of these processes or device
Its step or structure.
Fig. 1 is a kind of network access system structure diagram that the utility model embodiment provides, as shown in Figure 1, this is
System includes：
It 11 optical network unit ONU 12 of micro-base station, optical splitter 13, optical line terminal OLT 14, convergence switch 15 and wirelessly connects
The router 16 of networking.
Wherein, micro-base station 11 is connect with ONU12, and ONU12 is connect with optical splitter 13, and optical splitter 13 is connect with OLT14,
OLT14 is connect with convergence switch 15, and convergence switch 15 is connect with router 16.
In the present embodiment, the standard of micro-base station 11 includes but not limited to：Wideband code division multiple access WCDMA, TD-LTE, FDD-
LTE.Micro-base station 11 use omnidirectional or directional aerial, wherein, WCDMA be it is a kind of specifically formulated by 3GPP, based on GSM MAP cores
Heart net, General Mobile System Terrestial wireless access network are the 3-G (Generation Three mobile communication system) of wireless interface.WCDMA is a world
Telecommunication Union standard, it is come from CDMA differentiation, and compared with the technology usually provided currently on the market, it can be to move
Dynamic and portable radio equipment provides higher data rate.WCDMA is using DS CDMA, frequency division duplex side
Formula, spreading rate 3.84Mcps, carrier bandwidths are based on Release 99/Release4 versions for 5MHz., can be in the band of 5MHz
In width, the user data transmission rate of highest 384kbps is provided.WCDMA can support voice between movement/portable equipment,
Image, data and video communication, rate is up to 2Mb/s (for LAN) or 384Kb/s (for broadband networks
Speech).Input signal is first digitized, and is then transmitted in a wider spectral range with the spread spectrum mode of coding.
Long Term Evolution LTE is based on OFDMA technologies, the universal standard organized to set up by 3GPP, including frequency division
Duplexing FDD and Time Division Duplex TDD both of which are used for paired spectrum and non-paired frequency spectrum.
LTE-TDD, also known as TD-LTE, i.e. timesharing long term evolution, each large enterprises in the whole world covered by 3GPP tissues and operation
Quotient formulates jointly, and the FDD and two patterns of TDD in LTE standard are substantially the same, and smaller difference is only existed between two patterns
Different, similarity is up to 90%.TDD is one of duplex technology that mobile communication technology uses, corresponding with FDD.TD-LTE is TDD editions
The technology of this LTE, the technology of FDD-LTE is the LTE technologies of FDD versions.The two from encoding and decoding, frame format, eat dishes without rice or wine, signaling,
It is all different to the network architecture.
13 optical splitter of optical splitter can be deployed in integrated service area computer room, access multiple micro-base stations of same service area.
Optical splitter 13 can also be deployed on the optical switch of broadband cell, access multiple micro-base stations of same cell.
Optionally, single optical fibre may be used between ONU12 and optical splitter 13 to be attached, for example, in actual scene
Existing broadband access optical fiber may be used to be attached.Certain the present embodiment be not limited to broadband access optical fiber or
Other single optical fibres being laid with.
Optionally, it in actual scene, can also be attached between optical splitter 13 and OLT14 using single optical fibre, it should
Single optical fibre preferably uses the existing single optical fibre being laid with, and to reduce difficulty of construction, reduces cost.
Preferably, it is attached between the router 16 of convergence switch 15 and access net using optical fiber in the present embodiment,
And pass through and be attached the gateway (being not shown in Fig. 1) of router 16 and Evolved Packet Core EPC, to reach
Access the purpose of EPC.It alternatively, can also be by the way that router 16 and light end switch CE or radio network controller RNC (be schemed
It is not shown in 1) connection, to achieve the purpose that access optical-fiber network or wireless network.
The signal of micro-base station 11 is converged via ONU12 using existing broadband access optical fiber through optical splitter 13 in the present embodiment
After be back to OLT14, from OLT14 access Metropolitan Area Network (MAN) convergence switch 15.Simultaneously in the convergence switch 15 and nothing of Metropolitan Area Network (MAN)
An optical fiber connection is established between the router 16 of line access, convergence switch 15 distributes two individually void for micro-base station 11
Intend LAN vlan number, pass through VLAN transparent transmissions and Transmission Connection.Privately owned management IP address, the micro- base of transparent transmission is configured for ONU12 in OLT14
Stand 11 two vlan numbers.The two vlan numbers are converted into the exclusive vlan number of micro-base station 11 on ONU12.Micro-base station 11 is worn
It is transparent transmission to cross entire Metropolitan Area Network (MAN), does not connect BAS Broadband Access Server, does not enter public network, is just back to by wireless access network
EPC, the entire passback process of micro-base station 11 to EPC are carried out on the private network being isolated with a public network, effective guarantee
Safety.
Exemplary, convergence switch 15 establishes two independent virtual local area network No. VLAN701 and VLAN702, and will
VLAN701 and VLAN702 is pass-through to the router 16 of OLT14 and wireless access network.OLT14 is by VLAN701 and VLAN702 transparent transmissions
Privately owned management IP address is configured, and the IP address is pass-through to ONU12 and remittance to ONU12 and convergence switch 15, and for ONU12
Poly- interchanger 15.VLAN701 is converted into the exclusive VLAN200 of micro-base station 11 by ONU12, and VLAN702 is converted into micro-base station 11
Exclusive VLAN300.11 business of micro-base station mutually passes, and VLAN200 accesses wireless access network after Metropolitan Area Network (MAN) is converted into VLAN701, leads to
It crosses wireless access network and is back to EPC.Micro-base station webmaster returns, and VLAN300 is accessed after Metropolitan Area Network (MAN) is converted into VLAN702 and wirelessly connect
It networks, EPC is back to by wireless access network.Certainly it is only for illustrate rather than uniquely limit.
By the way that micro-base station is connect with optical network unit ONU, ONU is connect with optical splitter for the present embodiment, by optical splitter with
Optical line terminal OLT connects, and OLT is connect with convergence switch, and the router of convergence switch and wireless access network is connected,
So as to access wireless access network by the router.Since the present embodiment is to be attached micro-base station and optical splitter by ONU
, connection between ONU and optical splitter can not have to lay optical cable again, but can by existing broadband access optical fiber into
Row connection, therefore, reduces difficulty of construction, improves the efficiency of micro-base station access network, reduces cost.User couple can be met
The demand of different network formats is implemented fast, to occupy little space, and estimated cost is extremely low, can conveniently realize and fixed network is believed
Number and wireless signal quick response, promoted depth covering.It is also applied for provisional, sudden network guarantee.
Fig. 2 is a kind of network access system structure diagram that the utility model embodiment provides, as shown in Fig. 2, this is
System includes：21 optical network unit ONU 22 of micro-base station, optical splitter 23, optical line terminal OLT 24, convergence switch 25, wireless access
The router 26 of net and babinet 27.
Wherein, micro-base station 21 and ONU22 are arranged in babinet 27.Micro-base station 21 is connect with ONU22, ONU22 and optical splitter
23 connections, optical splitter 23 are connect with OLT24, and OLT24 is connect with convergence switch 25, and convergence switch 25 connects with router 26
It connects.
Optionally, multiple micro-base stations 21 can also be installed simultaneously, to promote resource utilization in babinet 27.
Optionally, intelligent acess unit 28 is additionally provided in babinet 27, ONU22 passes through intelligent acess unit 28 and optical splitter
23 optical fiber connect.
Optionally, Fig. 3 is the structure diagram for the babinet 27 that the utility model embodiment provides, as shown in figure 3, in babinet
Ventilation opening 271 and chamber door 272 are additionally provided on 27, micro-base station 21 and ONU22 can be arranged on by chamber door 272 in babinet 27.
Optionally, in order to enhance the heat dissipation effect of babinet 27, can through-hole be set on chamber door 272.
In the present embodiment, it is transparent transmission that micro-base station 21, which passes through entire Metropolitan Area Network (MAN), does not connect BRAS, does not enter public network, just
EPC is back to by wireless access network, entire passback process is in the private network being isolated with a public network.
Optionally, the present embodiment can be realized by one or more optical splitters of flexible deployment between OLT24 and ONU22
The convergence of multiple micro-base stations accesses, and is isolated between micro-base station by VLAN.
In the present embodiment, the standard of micro-base station 21 includes but not limited to：WCDMA、TD-LTE、FDD-LTE.Micro-base station 21 is adopted
With omnidirectional or directional aerial., wherein, WCDMA be it is a kind of specifically formulated by 3GPP, based on GSM MAP core nets, General Mobile
System Terrestial wireless access network is the 3-G (Generation Three mobile communication system) of wireless interface.WCDMA is International Telecommunication Union's standard,
It is come from CDMA differentiation, and compared with the technology usually provided currently on the market, it can be mobile and portable radio
Equipment provides higher data rate.WCDMA uses DS CDMA, frequency division duplex mode, and spreading rate is
3.84Mcps, carrier bandwidths are based on 4 versions of Release 99/Release for 5MHz., can be provided most in the bandwidth of 5MHz
The user data transmission rate of high 384kbps.WCDMA can support voice between movement/portable equipment, image, data with
And video communication, rate is up to 2Mb/s (for LAN) or 384Kb/s (for broadband networks).Input signal
It is first digitized, is then transmitted in a wider spectral range with the spread spectrum mode of coding.
Long Term Evolution LTE is based on OFDMA technologies, the universal standard organized to set up by 3GPP, including frequency division
Duplexing FDD and Time Division Duplex TDD both of which are used for paired spectrum and non-paired frequency spectrum.
LTE-TDD, also known as TD-LTE, i.e. timesharing long term evolution, each large enterprises in the whole world covered by 3GPP tissues and operation
Quotient formulates jointly, and the FDD and two patterns of TDD in LTE standard are substantially the same, and smaller difference is only existed between two patterns
Different, similarity is up to 90%.TDD is one of duplex technology that mobile communication technology uses, corresponding with FDD.TD-LTE is TDD editions
The technology of this LTE, the technology of FDD-LTE is the LTE technologies of FDD versions.The two from encoding and decoding, frame format, eat dishes without rice or wine, signaling,
It is all different to the network architecture.
23 optical splitter of optical splitter can be deployed in integrated service area computer room, access multiple micro-base stations of same service area.
Optical splitter 23 can also be deployed on the optical switch of broadband cell, access multiple micro-base stations of same cell.
Optionally, single optical fibre may be used between ONU22 and optical splitter 23 to be attached, for example, in actual scene
Existing broadband access optical fiber may be used to be attached.Certain the present embodiment be not limited to broadband access optical fiber or
Other single optical fibres being laid with.
Optionally, it in actual scene, can also be attached between optical splitter 23 and OLT24 using single optical fibre, it should
Single optical fibre preferably uses the existing single optical fibre being laid with, and to reduce difficulty of construction, reduces cost.
Preferably, it is attached between the router 26 of convergence switch 25 and access net using optical fiber in the present embodiment,
And pass through and be attached the gateway (being not shown in Fig. 2) of router 26 and Evolved Packet Core EPC, it is connect with reaching
Enter the purpose of EPC.It alternatively, can also be by by router 26 and light end switch CE or radio network controller RNC (Fig. 2
In be not shown) connection, to achieve the purpose that access optical-fiber network or wireless network.
The signal of micro-base station 21 is converged via ONU22 using existing broadband access optical fiber through optical splitter 23 in the present embodiment
After be back to OLT24, from OLT24 access Metropolitan Area Network (MAN) convergence switch 25.Simultaneously in the convergence switch 25 and nothing of Metropolitan Area Network (MAN)
An optical fiber connection is established between the router 26 of line access, convergence switch 25 distributes two individually void for micro-base station 21
Intend LAN vlan number, pass through VLAN transparent transmissions and Transmission Connection.Privately owned management IP address, the micro- base of transparent transmission is configured for ONU22 in OLT24
Stand 21 two vlan numbers.The two vlan numbers are converted into the exclusive vlan number of micro-base station 21 on ONU22.Micro-base station 21 is worn
It is transparent transmission to cross entire Metropolitan Area Network (MAN), does not connect BAS Broadband Access Server, does not enter public network, is just back to by wireless access network
EPC, the entire passback process of micro-base station 21 to EPC are carried out on the private network being isolated with a public network, effective guarantee
Safety.
Exemplary, convergence switch 25 establishes two independent virtual local area network No. VLAN701 and VLAN702, and will
VLAN701 and VLAN702 is pass-through to the router 26 of OLT24 and wireless access network.OLT24 is by VLAN701 and VLAN702 transparent transmissions
Privately owned management IP address is configured, and the IP address is pass-through to ONU22 and remittance to ONU22 and convergence switch 25, and for ONU22
Poly- interchanger 25.VLAN701 is converted into the exclusive VLAN200 of micro-base station 21 by ONU22, and VLAN702 is converted into micro-base station 21
Exclusive VLAN300.21 business of micro-base station mutually passes, and VLAN200 accesses wireless access network after Metropolitan Area Network (MAN) is converted into VLAN701, leads to
It crosses wireless access network and is back to EPC.Micro-base station webmaster returns, and VLAN300 is accessed after Metropolitan Area Network (MAN) is converted into VLAN702 and wirelessly connect
It networks, EPC is back to by wireless access network.Certainly it is only for illustrate rather than uniquely limit.
By the way that micro-base station is connect with optical network unit ONU, ONU is connect with optical splitter for the present embodiment, by optical splitter with
Optical line terminal OLT connects, and OLT is connect with convergence switch, and the router of convergence switch and wireless access network is connected,
So as to access wireless access network by the router.Since the present embodiment is to be attached micro-base station and optical splitter by ONU
, connection between ONU and optical splitter can not have to lay optical cable again, but can by existing broadband access optical fiber into
Row connection, therefore, reduces difficulty of construction, improves the efficiency of micro-base station access network, reduces cost.User couple can be met
The demand of different network formats is implemented fast, to occupy little space, and estimated cost is extremely low, can conveniently realize and fixed network is believed
Number and wireless signal quick response, promoted depth covering.It is also applied for provisional, sudden network guarantee.
It is last it should be noted that one of ordinary skill in the art will appreciate that whole in above-described embodiment method or
Part flow is that relevant hardware can be instructed to complete by computer program, and the program can be stored in a computer
In readable storage medium storing program for executing, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, it is described to deposit
Storage media can be disk, CD, read-only memory (ROM) or random access memory (RAM) etc..
Each functional unit in the utility model embodiment can be integrated in a processing module or each
Unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated module was both
The form that hardware may be used is realized, can also be realized in the form of software function module.If the integrated module with
The form of software function module realizes, and be independent product sell or in use, a computer can also be stored in can
It reads in storage medium.Storage medium mentioned above can be read-only memory, disk or CD etc..
The above various embodiments is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned
The utility model is described in detail in each embodiment, it will be understood by those of ordinary skill in the art that：It still can be with
It modifies to the technical solution recorded in foregoing embodiments and either which part or all technical features is equal
It replaces；And it these modifications or replaces, it does not separate the essence of the corresponding technical solution various embodiments of the utility model technical side
The range of case.
Claims (10)
1. a kind of network access system, which is characterized in that including：
Micro-base station, optical network unit ONU, optical splitter, optical line terminal OLT, convergence switch and wireless access network router；
Wherein, the micro-base station is connect with the ONU, and the ONU is connect with the optical splitter, the optical splitter and the OLT
Connection, the OLT are connect with the convergence switch, and the convergence switch is connect with router.
2. system according to claim 1, which is characterized in that the ONU is connect with the optical splitter by single optical fibre.
3. system according to claim 1, which is characterized in that the optical splitter is connect with the OLT by single optical fibre.
4. system according to claim 1, which is characterized in that the convergence switch is connect with the router optical fiber.
5. system according to claim 1, which is characterized in that the system also includes the services of Evolved Packet Core
Gateway, the router are connect with the gateway.
6. system according to claim 1, which is characterized in that the system also includes light end switch CE, the routings
Device is connect with the smooth end switch CE.
7. system according to claim 6, which is characterized in that the system also includes radio network controller RNC, institutes
Router is stated to connect with the radio network controller RNC.
8. according to the system described in any one of claim 1-7, which is characterized in that described the system also includes a babinet
Micro-base station and the ONU are arranged in the babinet.
9. according to system according to any one of claims 8, which is characterized in that optical fiber is additionally provided in the babinet and introduces unit, the ONU
Unit is introduced by the optical fiber to connect with the optical splitter optical fiber.
10. according to system according to any one of claims 8, which is characterized in that be provided with ventilation opening and chamber door on the babinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881265.2U CN207588865U (en) | 2017-12-28 | 2017-12-28 | network access system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881265.2U CN207588865U (en) | 2017-12-28 | 2017-12-28 | network access system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588865U true CN207588865U (en) | 2018-07-06 |
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ID=62740611
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721881265.2U Active CN207588865U (en) | 2017-12-28 | 2017-12-28 | network access system |
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2017
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