CN106130840A - A kind of fixing, mobile broadband fusion access network framework - Google Patents
A kind of fixing, mobile broadband fusion access network framework Download PDFInfo
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- CN106130840A CN106130840A CN201610559361.9A CN201610559361A CN106130840A CN 106130840 A CN106130840 A CN 106130840A CN 201610559361 A CN201610559361 A CN 201610559361A CN 106130840 A CN106130840 A CN 106130840A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
- H04J14/0228—Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths
- H04J14/023—Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths in WDM passive optical networks [WDM-PON]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0278—WDM optical network architectures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Small-Scale Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of fixing, mobile broadband fusion access network framework, including central office, multiple WDM loop and PON AM access module；Wherein, central office includes some first line of a couplet unit and resource pool, and each WDM loop includes a loop local side unit and multiple loop far-end unit；PON AM access module includes ODN and ONU；First line of a couplet unit connects with core net, resource pool is based on NFV virtual technology OLT, CPE, BAS and BBU function, and each WDM loop realizes the optical transport between described PON AM access module and direct-connected base station and big customer and central office on described loop far-end unit；ONU and fixed broadband user or the base station of mobile broadband and RRU are connected, by its access network；Optical transport is carried out by ODN between loop far-end unit and ONU.The present invention realizes fixed broadband in terms of Internet resources, the fusion of mobile broadband is shared, and gives full play to the advantage that PON technology low cost multiple access accesses, it is achieved the transmission of low cost, Large Copacity, two-forty and high survivability.
Description
Technical field
The present invention relates to metropolitan area access field, be specifically related to a kind of fixing, mobile broadband fusion access network framework.
Background technology
Under the sustainable development of the Internet, cloud computing and Internet of Things requires, " broadband strategy in China " is by fixed broadband and shifting
Dynamic broadband access rises to and the identical status of the infrastructure such as water, electricity, gas.Along with the most universal of intelligent terminal and function liter
Level, and all business operation of operator so that fixed network and mobile collaboration could more preferably meet the demand of user, promote and use body
Test.
For a long time, fixed broadband and mobile broadband are separate, two network each self-forming " funnel-shaped " framework (Fig. 1
Shown in).Although achieve fixed broadband in customer service aspect by modes such as " set meals " at present, mobile broadband service merges,
But remain separation at profound both network levels, and the segmentation of this network directly results in carrier network and builds and tie up into
This raising, it is limited that customer service is experienced.
PON (Passive Optical Network, EPON) is intelligent acess technology, is that fixed broadband accesses
Main means, there is the characteristic of the high and low cost of bandwidth efficiency, but sacrifice transmission performance and survivability to a certain extent
Energy.
Mobile broadband has and accesses feature easily, but rate are higher, and speed is relatively low.MBH and MFH of mobile broadband is main
Using Fibre Optical Communication Technology, wherein, MBH is generally PTN (Packet Transport Network, Packet Transport Network), IP
RAN (IP Radio Access Network, IPization wireless access network)；MFH typically uses dark fibre.Along with mobile communication to
4G, 5G develop, it is necessary to a large amount of little base station of high-density deployment, and the main mode of little base station deployment is C-RAN (as shown in Figure 2),
It is made up of BBU (baseband processing unit) and RRU (radio frequency remoto module), and fortune must be improved in a large amount of little base station of highdensity deployment
Battalion's cost, therefore operator is in the urgent need to low cost, the MFH solution of two-forty.
Summary of the invention
The technical problem to be solved is to adapt to the development trend fixed, mobile broadband merges, and changes existing
There is situation fixing, that mobile broadband accesses separation, build a kind of effective fixing, problem of Mobile Convergence access network framework.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is to provide a kind of fixing, mobile broadband and melts
Splice grafting enters planar network architecture, including central office, multiple WDM loop and PON AM access module；Wherein, described central office includes some
First line of a couplet unit and resource pool, a loop local side unit that each described WDM loop includes being located at central office and multiple ring
Great distance end unit；Described PON AM access module includes ODN and ONU；
Described first line of a couplet unit connects with core net；Described resource pool is based on NFV virtual technology OLT, CPE, BAS and BBU merit
Energy；Each described WDM loop realizes described PON AM access module and direct-connected base station on described loop far-end unit
And the optical transport between big customer and central office；
Described ONU and fixed broadband user and the base station of mobile broadband or RRU are connected, by its access network；Described loop
Optical transport is carried out by described ODN between far-end unit and described ONU.
In such scheme, described resource pool includes switch, server and memorizer.
In such scheme, for fixed broadband user, use FTTx technology access network by described ONU.
In such scheme, the mode that described fixed broadband user is connected with described ONU includes optical fiber, copper cash and ether
Net.
In such scheme, for mobile broadband, it is divided into following two situation access network:
When base station deployment is C-RAN framework, the RRU of C-RAN framework by being connected access network with ONU, thus realizes moving
Dynamic forward pass；
When base station deployment is non-C-RAN framework, base station by being connected access network with ONU, thus realizes mobile retransmission.
In such scheme, the BBU in described C-RAN framework in described central office based on NFV technology with virtual BBU's
Mode realizes.
The present invention compared with prior art, has the advantage that
(1) WDM loop and PON are combined to meet the access demand of fixed broadband and mobile broadband, not only keep
PON technology simple, gives full play to the advantage that its low cost multiple access accesses, and will not be because of transmission range and the high request of capacity
And cause PON technical sophistication at aspects such as dispersion compensation, device performance, Wavelength tunable, modulation format, DSP process, thus keep away
Exempt from cost increase；
(2) WDM loop and PON are combined, take full advantage of the transmission advantage of WDM loop, it is achieved great Rong
Amount, two-forty and the transmission of high survivability, and good OAM ability, and according to need such as the distance of input field, speed, capacity
Ask and carry out appropriateness simplification to reduce cost；
(3) NFV technique construction fixed-bandwidth, the CO node of mobile bandwidth fusion access network are used, it is achieved fixed-bandwidth, shifting
Dynamic bandwidth is shared in the fusion processed in resource, had both reduced hardware cost and service efficiency, and had promoted again the dynamic of network throughput
State property and the adaptability to new business；
(4) make operator's fixed broadband, mobile broadband service merge and the most only rest on format surfaces such as " set meals ", but
Real fusion is realized in terms of Internet resources；
(5) meet the Large Copacity of network flattening, institute of few office trend, complex process function focused on a small amount of CO node,
Realize the DCization of network edge, and promoted the coverage of CO node by wavelength-division multiplex technique.
Accompanying drawing explanation
Fig. 1 is " funnel-shaped " configuration diagram of fixed broadband, each self-forming of mobile broadband；
Fig. 2 is C-RAN configuration diagram；
The one that Fig. 3 provides for the present invention is fixed, mobile broadband merges access network configuration diagram.
Detailed description of the invention
NFV (Network Function Virtualization, network function virtualizes) is by ETSI (European
Telecommunications Standards Institute, ETSI) propose and specification, it is intended to the greatest extent may be used
Common hardware (server, memorizer, switch etc.) can be used to try one's best by software as network hardware platform (resource pool), function
Realize, thus eliminate the function dependence to hardware so that network can virtualize, finally promote network to build dimension cost and significantly drop
Low, and the new business requirement that network function dynamic adaptable constantly occurs.Visible, NFV is fixed network and mobile network is melted
Conjunction creates advantage so that realize meeting fixing network and mobile network's demand on a general hardware platform simultaneously
Function system is possibly realized, so, for access network, can realize, by NFV technology, the fusion that solid, transposing enters.
But, objectively there is respective feature, in cost, transmission range, bandwidth demand, existence in fixing, mobile broadband
The aspects such as property, OAM (Operation Administration and Maintenance operates, manages, safeguards) ability have one
Determining difference, merging by force if ignoring these differences, not only can not reduce cost, improve speed, and may lose
Fixing, the original advantage of mobile broadband.Such as, industry expects that PON can undertake solid wide access, MBH/MFH simultaneously always, but this will
Performance in terms of causing PON must be continuously increased transmission range, speed, capacity, so that PON technology is day by day complicated (such as color
Dissipate compensation, complex modulation format, coherent reception etc.), cost constantly rises, and finally makes PON both run counter to simply, low cost
Original intention, is difficult to again take on the important task of mobile forward pass, passback, loses more than gain.
Therefore, the present invention fully take into account coverage, transmission quality, link condition, survivability, process resource, OAM,
Realize the difference of multiple dimensions such as cost, use NFV technology to realize fusion fixing, that mobile broadband processes resource and share, use
WDM loop and PON combine and balance effective fixing, the mobile broadband fusion of access difference structure fixing, mobile broadband
Access network framework.
Below in conjunction with Figure of description and specific embodiment, the present invention is described in detail.
As it is shown on figure 3, one provided by the present invention is fixed, mobile broadband merges access network framework, it is roughly divided into CO
(Central Office, central office) 10, multiple WDM loop 20 and PON 30 3 parts of AM access module, wherein, center
Office 10 includes some first line of a couplet unit 11 and resource pool 12 (such as hardware resources such as switch, server and memorizeies)；Each wavelength-division
A loop local side unit 21 that multiplexing loop 20 includes being located at central office 10 and multiple loop far-end unit 22；PON accesses mould
Block 30 includes ODN (Optical Distribution Network) 31 and ONU (optical network unit) 32；
First line of a couplet unit 11 connects with core net；Resource pool 12 is based on NFV virtual technology OLT (optical line
Terminal, optical line terminal, CPE (Customer Premise Equipment, customer terminal equipment), PE (Provider
Edge, provider edge), BBU (Building Baseband Unit, indoor baseband processing unit), BAS
Functions such as (Broadband Access Server, BAS Broadband Access Servers), i.e. vOLT (virtual OLT), vCPE (virtual CPE),
The functions such as vPE (virtual PE), vBBU (virtual BBU), vBAS (virtual BAS), it is achieved loop far-end unit 21 (vOLT) and ONU23
(vCPE) sophisticated functions, makes to fix, mobile broadband processes resource and can merge shared, with meet Large Copacity, few office development
Requirement；PON AM access module 30, direct-connected base station on loop far-end unit 22 and big is carried out by each WDM loop 20
Optical transport between client and central office 10, this ring topology of WDM loop 20 is beneficial to carry out light path guarantor as required
Protect, improve corresponding Survival properties.
Each loop far-end unit 22 only possesses most basic PON function, such as PHY (Physical Layer, physics
Layer) layer function (such as burst reception etc.), it is light-receiving, light transmission here, other sophisticated functions is all concentrated to CO with vOLT side
Formula realizes；ONU32 only possesses basic access function, with fixed broadband user and the mobile communication base station of mobile broadband or RRU
Connecting, by its access network, provide broadband services for it, the sophisticated functions of CPE is concentrated to CO and realizes in vCPE mode；Loop
Optical transport is carried out by ODN31 between far-end unit 22 and ONU32.
In the present invention, for fixed broadband user, use FTTx technology access network by ONU32, be connected with ONU32
Mode include optical fiber, copper cash, Ethernet etc.；
For mobile broadband, it is divided into following two situation access network:
When base station deployment is C-RAN framework, the RRU of C-RAN framework by being connected access network with ONU32, thus realizes
Mobile forward pass, the BBU in C-RAN framework then realizes in CO in the way of vBBU (virtual BBU).
When base station deployment is non-C-RAN framework, base station by being connected access network with ONU32, thus realizes mobile retransmission.
It addition, according to the actual application such as bandwidth, position needs, big customer's special line of fixed broadband, the RRU of mobile broadband or
Base station can directly connect with corresponding loop far-end unit 22, thus access network.
In the present invention, each WDM loop 20 can select dense wave division multipurpose or thick according to transmission capacity and distance
Wavelength-division multiplex carries out optical transport, and requires to carry out the merit of WDM loop transmission according to application such as loop transfer distance, speed
(relative to the wavelength-division multiplex technique of long distance line) can be simplified, thus reduce cost, it is achieved high-quality, Large Copacity and high reliability
Transmission.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (6)
1. fixing, a mobile broadband fusion access network framework, it is characterised in that include central office, multiple WDM loop
With PON AM access module；Wherein, described central office includes some first line of a couplet unit and resource pool, each described WDM loop bag
Include and be located at a loop local side unit of central office and multiple loop far-end unit；Described PON AM access module includes ODN and ONU；
Described first line of a couplet unit connects with core net；Described resource pool is based on NFV virtual technology OLT, CPE, BAS and BBU function；Often
Individual described WDM loop realizes described PON AM access module and direct-connected base station on described loop far-end unit and bus
Optical transport between family and central office；
Described ONU and fixed broadband user or the base station of mobile broadband and RRU are connected, by its access network；Described loop far-end
Optical transport is carried out by described ODN between unit and described ONU.
2. framework as claimed in claim 1, it is characterised in that described resource pool includes switch, server and memorizer.
3. framework as claimed in claim 1, it is characterised in that for fixed broadband user, use FTTx skill by described ONU
Art access network.
4. framework as claimed in claim 3, it is characterised in that the mode bag that described fixed broadband user is connected with described ONU
Include optical fiber, copper cash and Ethernet.
5. framework as claimed in claim 1, it is characterised in that for mobile broadband, is divided into following two situation access network:
When base station deployment is C-RAN framework, the RRU of C-RAN framework by being connected access network with ONU, thus realize mobile before
Pass；
When base station deployment is non-C-RAN framework, base station by being connected access network with ONU, thus realizes mobile retransmission.
6. framework as claimed in claim 5, it is characterised in that the BBU in described C-RAN framework in described central office based on
NFV technology realizes in the way of virtual BBU.
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| CN201610559361.9A CN106130840B (en) | 2016-07-15 | 2016-07-15 | A kind of fixation, mobile broadband fusion access planar network architecture |
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| CN201610559361.9A CN106130840B (en) | 2016-07-15 | 2016-07-15 | A kind of fixation, mobile broadband fusion access planar network architecture |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106358202A (en) * | 2016-10-13 | 2017-01-25 | 北京邮电大学 | Improved C-RAN network architecture and resource dispatching method |
| CN107509128A (en) * | 2017-08-16 | 2017-12-22 | 中国联合网络通信集团有限公司 | A kind of method and system of core network access |
| CN108111931A (en) * | 2017-12-15 | 2018-06-01 | 国网辽宁省电力有限公司 | The virtual resource section management method and device of a kind of power optical fiber access net |
| JP2018137612A (en) * | 2017-02-22 | 2018-08-30 | 日本電信電話株式会社 | Communication method and communication system |
| CN109962831A (en) * | 2017-12-14 | 2019-07-02 | 中国电信股份有限公司 | Virtual client terminal device, router, storage medium and communication means |
| CN110677857A (en) * | 2019-09-29 | 2020-01-10 | 武汉邮电科学研究院有限公司 | Residence network information infrastructure sharing architecture |
| WO2020259212A1 (en) * | 2019-06-24 | 2020-12-30 | 华为技术有限公司 | Method for accessing mobile core network by means of fixed access device |
| CN113163277A (en) * | 2021-06-23 | 2021-07-23 | 武汉长光科技有限公司 | Optical network unit bandwidth management method and device, electronic equipment and storage medium |
| CN113543151A (en) * | 2021-06-29 | 2021-10-22 | 深圳凡维泰科技服务有限公司 | 4G/5G signal wireless coverage method |
| WO2022007472A1 (en) * | 2020-07-07 | 2022-01-13 | 东南大学 | 5g-oriented smart optical access network local end cloud system based on building block architecture |
| CN115329987A (en) * | 2022-08-04 | 2022-11-11 | 苏州大学 | User selection method in federated learning system |
| US12010520B2 (en) | 2019-06-24 | 2024-06-11 | Huawei Technologies Co., Ltd. | Method for accessing mobile core network by using fixed access device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106358202A (en) * | 2016-10-13 | 2017-01-25 | 北京邮电大学 | Improved C-RAN network architecture and resource dispatching method |
| JP2018137612A (en) * | 2017-02-22 | 2018-08-30 | 日本電信電話株式会社 | Communication method and communication system |
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| CN110677857A (en) * | 2019-09-29 | 2020-01-10 | 武汉邮电科学研究院有限公司 | Residence network information infrastructure sharing architecture |
| WO2022007472A1 (en) * | 2020-07-07 | 2022-01-13 | 东南大学 | 5g-oriented smart optical access network local end cloud system based on building block architecture |
| CN113163277A (en) * | 2021-06-23 | 2021-07-23 | 武汉长光科技有限公司 | Optical network unit bandwidth management method and device, electronic equipment and storage medium |
| CN113543151A (en) * | 2021-06-29 | 2021-10-22 | 深圳凡维泰科技服务有限公司 | 4G/5G signal wireless coverage method |
| CN115329987A (en) * | 2022-08-04 | 2022-11-11 | 苏州大学 | User selection method in federated learning system |
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