CN109743111A - A kind of construction method for the fiber to the floor access network rebuilding - Google Patents
A kind of construction method for the fiber to the floor access network rebuilding Download PDFInfo
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- CN109743111A CN109743111A CN201910203261.6A CN201910203261A CN109743111A CN 109743111 A CN109743111 A CN 109743111A CN 201910203261 A CN201910203261 A CN 201910203261A CN 109743111 A CN109743111 A CN 109743111A
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Abstract
The invention discloses the construction method for the fiber to the floor access network rebuilding, which includes the following steps: to pick out spare fibre core, adds third level optical splitter in corridor optical partial node case；And it connect the input terminal of third level optical splitter with spare fibre core, the connection of output end and indoor optical cable, meets the high wideband requirements of certain customers；Remove the first order optical splitter in network distributing center computer room, third level optical splitter is replaced with into the higher final stage optical splitter of branch number, and it connect the input terminal of final stage optical splitter with spare fibre core, it connect the output end of final stage optical splitter with indoor optical cable, meets the high wideband requirements of more users.The present invention can complete the construction reformation of fiber to the floor access network under the premise of not interrupting networked users and accessing network, to meet the needs of certain customers are to high bandwidth, outstanding advantages of adaptable strong, at low cost, short construction period.
Description
Technical field
The present invention relates to fiber optic network renovation technique fields, and more specifically, the present invention is that one kind connects for fiber to the floor
Enter the construction method of the network rebuilding.
Background technique
With the fast development that " internet+" is applied, such as 4K video, Internet of Things, family's face-to-face communication, home videos prison
The development of the applications such as control, tele-medicine, demand of the radio and television users to upstream and downstream bandwidth persistently keep rapidly increasing.Although existing
Broadcasting and TV fiber to the floor (FTTB) network can meet integration of three networks business demand, but be limited to as existing for existing network infrastructure
Property, if being transformed construction to overall network basis, often be difficult to be unfolded in the presence of construction, financing deposition and can not implement etc. to ask
Topic；Especially for the old residential area of original fiber to the floor (FTTB) network coverage, if carrying out net by the way of all standing
Network transformation, can not only exist longer high labor cost, high construction cost, construction period, serious waste of resources and actual gain with
The problems such as prospective earnings gap is larger, and necessarily will affect networked users in the process of optical cable cleft grafting and normally access network, institute
The puzzlement that can not access network can be brought to user with the construction method that existing network is transformed, influences user data and broadcast service
Business, user experience are excessively poor.
Therefore, under the premise of not influencing networked users and normally accessing network, how to realize quick, inexpensive complete
At the construction reformation of fiber to the floor access network, becomes those skilled in the art's technical problem urgently to be resolved and study always
Emphasis.
Summary of the invention
To solve problems of the existing technology, the present invention innovatively provides a kind of for fiber to the floor access net
The construction method of network transformation, specially one kind can effectively utilize the optical fiber money of fiber to the floor (FTTB) network original base
Source, under the premise of legacy network foundation structure is constant, realize the design method that precisely accesses of data channel high bandwidth, the present invention
It can guarantee that network infrastructure is constant, under the premise of meeting two-way high bandwidth requirements user, it is logical to reduce data significantly
Road dilatation cost and network construction cost.
To realize the above-mentioned technical purpose, the invention discloses a kind of construction parties for the fiber to the floor access network rebuilding
Method, the construction method include the following steps；
Step 1, it obtains demand bandwidth and occupies ratio in all users in entire building higher than the user of pre-set bandwidths；
Step 2, occupy whether ratio is less than or equal to first threshold described in judgement: if so, thening follow the steps 3；If
It is no, then terminate；
Step 3, it is accessed from lit fiber to building in all optical cables in network and picks out spare fibre core, enable network
The second level optical splitter at first order optical splitter and cell optical node in distributing center computer room remains unchanged, in corridor
Third level optical splitter is added in light partial node case；And connect the input terminal of third level optical splitter and the spare fibre core
It connects, connect the output end of third level optical splitter with indoor optical cable；
Step 4, occupy whether ratio is greater than second threshold described in judgement: if so, thening follow the steps 5；If it is not, then weight
It is new to execute step 4；Wherein, the second threshold is less than the first threshold；
Step 5, remove the first order optical splitter in network distributing center computer room and enable the second level at cell optical node
Optical splitter remains unchanged, and the third level optical splitter is replaced with final stage optical splitter, and make final stage optical splitter
Input terminal is connect with the spare fibre core, connect the output end of final stage optical splitter with indoor optical cable；Wherein, final stage optical branching
The branch number of device is greater than the branch number of third level optical splitter.
Further, the first threshold is 25%, and the second threshold is 12.5%.
Further, in step 3, the first order optical splitter is 1 × 2 optical splitter, the third level optical splitter
For 1 × 4 optical splitter；
In step 5, the final stage optical splitter is 1 × 8 optical splitter.
Further, the second level optical splitter is 1 × 8 optical splitter.
Further, in step 3, the input terminal of third level optical splitter has tail optical fiber, passes through tail optical fiber described in welding and institute
The mode for stating spare fibre connect the input terminal of third level optical splitter with the spare fibre core.
It further, further include being set on spare fibre before the tail optical fiber and the spare fibre welding in step 3
The step of setting PE optical fiber protective tube.
Further, in step 3, the output end of third level optical splitter has fiber, passes through fiber described in welding and institute
The mode for stating indoor optical cable connect the output end of third level optical splitter with indoor optical cable.
It further, further include that PE is set on fiber before the fiber and the indoor optical cable welding in step 3
The step of optical fiber protective tube.
Further, in step 3, lead between the first order optical splitter and fibre distribution frame in network distributing center computer room
The mode for crossing jumper connection connects.
Further, the first order optical splitter, the second level optical splitter, the third level optical splitter and institute
Stating final stage optical splitter is boxlike splitter.
The invention has the benefit that
The present invention can complete the construction of fiber to the floor access network under the premise of not interrupting networked users and accessing network
Transformation, to meet the needs of certain customers are to high bandwidth.The construction method tool of the fiber to the floor access network rebuilding of the invention
There is the features such as adaptable, can be realized using the preferably spare fibre core of quality in cell to part especially for old residential area
The network rebuilding, to avoid all be transformed caused by financing deposition, construction be difficult to the problems such as being unfolded, so the present invention have construction at
Outstanding advantages of this is lower, construction period is shorter；Construction site experiments have shown that, for all users in a building, energy of the present invention
Enough access demand of the user of satisfaction 25% to high bandwidth network.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of construction method that the network rebuilding is accessed for fiber to the floor.
Fig. 2 is that high bandwidth requirements user occupies fiber optic network topological structure signal of the ratio less than or equal to 12.5% when
Figure.
Fig. 3 be high bandwidth requirements user occupy ratio greater than 12.5% and be less than or equal to 25% when fiber optic network topology
Structural schematic diagram.
Specific embodiment
With reference to the accompanying drawings of the specification to it is proposed by the present invention for fiber to the floor access the network rebuilding construction method into
The detailed explanation and illustration of row.
As shown in Figures 1 to 3, full present embodiment discloses a kind of construction method for the fiber to the floor access network rebuilding
Demand of the sufficient user to high bandwidth, specifically, which includes the following steps.
For the One-to-All Broadcast business (such as live broadcast service) of fiber to the floor (FTTB) user, then continue in corridor
The coaxial network of deployment carries, i.e., the present invention is not under the premise of interrupting networked users, in broadcasting and TV existing network technical solution base
On plinth, data-signal is transmitted using fibre core not used in same optical cable, realizes and the high bandwidth of certain customers is accessed, realization pair
The construction reformation of PON (Passive Optical Network, passive optical-fiber network) system of signal is transmitted, and is easy to carry out
Implementation avoids extensive track reconstruction, reduces costs；Implementation method is as shown in Figure 1, be described as follows.
Step 1, it obtains demand bandwidth and occupies ratio in all users in entire building higher than the user of pre-set bandwidths, i.e.,
The present invention, so the present invention not will cause huge financing deposition, is especially fitted based on being unfolded when having high broadband services demand
For the cell without extensive Heavenly Stems and Earthly Branches line rebuilding construction.
Step 2, judgement occupies whether ratio is less than or equal to first threshold: if so, thening follow the steps 3；If it is not, then
Terminate；To judge whether the present invention corresponds to actual needs；In the present embodiment, first threshold 25%.The present invention utilizes optical fiber
The channel optical network structure precisely accessed to family the optical fiber (1 core or 2 cores) reserved using the corridor optical partial node of FTTB, and it is former
Some FTTB optical cable broadcast television signals and data optical signal transmit in the fibre core of same optical cable to remain unchanged, and avoids useless
It abandons caused by original fibre core the problems such as wasting problem and long period, the present invention can make original fibre core continue to generate value, drop
Low construction reformation cost, is conducive to CHINA RFTCOM Co Ltd operation.
Step 3, it is accessed from lit fiber to building in all optical cables in network and picks out spare fibre core, enable network
The second level optical splitter at first order optical splitter and cell optical node in distributing center computer room remains unchanged, in corridor
Third level optical splitter is added in light partial node case；And it connect the input terminal of third level optical splitter with spare fibre core, makes
The output end of third level optical splitter is connect with indoor optical cable, that is, by the output end of third level optical splitter and obtains demand band
Width is higher than the indoor optical cable connection of the user of pre-set bandwidths, and the present invention completes the three-level light splitting of data channel；The present invention utilizes
Not used fibre core transmits data-signal in same optical cable, and optical splitter is installed at corridor optical node, to realize that data are logical
Road high bandwidth precisely accesses, and meets requirement of the certain customers to high broadband, and in the present embodiment, above-mentioned mode be can satisfy
12.5% high bandwidth requirements user.
In the present embodiment, as shown in Fig. 2, first order optical splitter be 1 × 2 optical splitter, second level optical splitter be 1 ×
8 optical splitters, third level optical splitter are 1 × 4 optical splitter, so, the light splitting of data channel three-level in step 3 for 2 × 8 ×
4, preceding two-stage optical splitter does not need to make any change, and third level optical splitter is placed in corridor optical partial node case, such as Fig. 2
Shown, the beam-splitting structure in construction from now on convenient for being adjusted flexibly, without changing entire optical access network
Structure.
In the specific implementation, 1 × 4 above-mentioned optical splitter has tail optical fiber without the form of plug, output using modular
It is docked without fibre end to end, with the twin-core rubber-insulated wire registered one's residence at end；Specifically, the input terminal of the third level optical splitter in step 3
With tail optical fiber, it connect the input terminal of third level optical splitter with spare fibre core,
The connection between third level optical splitter and not used fibre core is realized using hot melting way, and in tail optical fiber and spare fibre
Before welding, further include the steps that PE optical fiber protective tube is arranged on spare fibre, in addition, the output end of third level optical splitter has
There is fiber, connect the output end of third level optical splitter with indoor optical cable, and
And before fiber and indoor optical cable welding, further include the steps that PE optical fiber protective tube is arranged on fiber.In this step, network point
(for example, ODF, Optical Distribution with the first order optical splitter in central machine room and between other equipment
Frame, fibre distribution frame) between connected by way of jumper connection.Accurate access in the present invention is utilized same in former FTTB
Not used fibre core in optical cable transmits data-signal, and the tail optical fiber of fibre core and modular splitter directly melts, and PE on welding protheca
Optical fiber protective tube is protected.This method can make full use of the existing Two-way Network distribution net resource of broadcasting and television network, not need again
Extensive construction is laid with cable of registering one's residence, with it is time saving and energy saving, conveniently and efficiently for user provide the number of a large capacity and big bandwidth
According to transmission network.
Step 4, judgement occupies whether ratio is greater than second threshold: if so, thening follow the steps 5；If it is not, then holding again
Row step 4；Wherein, second threshold is less than first threshold.In the present embodiment, second threshold 12.5%.Sentence through the above way
Whether broken height bandwidth users increase, the present invention can be realized high bandwidth requirements user by 12.5% upgrade to 25% accurate access
Design method, the step 5 that detailed description are as follows states；In addition, 1 core fibre for having used corridor optical partial node reserved in step 3,
The present invention can also increase increased bandwidth by way of enabling 2 core fibres (i.e. two fibre cores) and precisely access, and which can guarantee
The network accessed in step 3 is unaffected, guarantees that customer service is not interrupted.
Step 5, remove the first order optical splitter in network distributing center computer room and enable the second level at cell optical node
Optical splitter remains unchanged, and third level optical splitter is replaced with final stage optical splitter, and make the input of final stage optical splitter
End is connect with the spare fibre core, connect the output end of final stage optical splitter with indoor optical cable, to realize increasing increased bandwidth
Precisely access；Wherein, the branch number of final stage optical splitter is greater than the branch number of third level optical splitter, as shown in figure 3, by OLT
Two splitters (1 × 2 optical splitter) of side are removed in (optical line terminal, optical line terminal), and by corridor optical
Four splitter PLC in partial node case are changed to eight splitter PLC；After carrying out network structure regulation in the method, light point in building
Any user of coverage can directly lay open-minded, One-to-All Broadcast if there is two-way high bandwidth requirements by covered wire cable
Television services are still using original FTTB network.In addition, connection method and the third level of final stage optical splitter input, output end
Optical splitter is identical.Based on above-mentioned technical solution, the present invention can be achieved precisely to be linked into 12.5%~25% high bandwidth requirements
User.
It is emphasized that the present invention does not need to do repeated construction to trunk optical fiber link, it is only necessary in network distribution
Construction reformation is carried out in scheming room and corridor optical partial node case, starts the idle fibre core in optical cable, is had conveniently and efficiently
Realize demand of the user to high bandwidth.In the present embodiment, final stage optical splitter is 1 × 8 optical splitter；So the number in step 5
It is 1 × 8 × 8 according to the light splitting of channel three-level, by PON (Passive Optical Network, the nothing in network distributing center computer room
Source fiber optic network) optical splitter in system removes, and without making any change, third level optical splitter replaces second level optical splitter
It is changed to 1 × 8 optical splitter；Downlink 1490nm wavelength can be used in PON system based on Ethernet, uplink 1310nm wavelength carries out
Optical transport.First order optical splitter involved in the present invention, second level optical splitter, the third level as a preferred technical solution,
Optical splitter and final stage optical splitter are boxlike splitter.As shown in Figure 2,3, " ONU " that User Part is related to is indicated
" Optical Network Unit, optical network unit ", " STB " expression " Set Top Box, TV set-top box ", " PC " are indicated
" computer ".In the present embodiment, in corridor optical partial node case, to the spare fibre core of optical cable and 1 × 4 boxlike in cable terminal box
Splitter enters fine welding, and PE optical fiber protective tube, prevents optical fiber from fractureing on welding protheca, when there is the user under light partial node to handle
When high bandwidth, it is only necessary to the fiber to 1 × 4 boxlike splitter and covered wire cable welding of registering one's residence, while using PE fiber optic protection
Pipe, protects optical fiber.The broadcasting and TV FTTB network equipment includes data channel by fixed hanging wire installation FTTB data local side
The photoreceiver fixed by photoreceiver pendant of equipment and traditional broadcast channel.Equipment power-extracting is to apply in user's cell electricity well
If the power outlet of power supply line, design method of the present invention does not influence using the FTTB network user, and construction technology is simple, is only utilized
The spare fibre core of optical cable is divided by 1 × 4 boxlike splitter, and carries out fiber optic protection using PE optical fiber protective tube, is used
Optical fiber hot melting way completes fibre junction, realizes that high-bandwidth user precisely accesses.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, reference term " the present embodiment ", " one embodiment ", " some embodiments ", " show
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property is necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other,
Those skilled in the art can be by different embodiments or examples described in this specification and different embodiments or examples
Feature is combined.In addition, term " first ", " second " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include at least one of the features.In the description of the present invention, the meaning of " plurality " is at least two,
Such as two, three etc., unless otherwise specifically defined.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement and simple modifications etc., should all be included in the protection scope of the present invention in content.
Claims (10)
1. a kind of construction method for the fiber to the floor access network rebuilding, it is characterised in that: the construction method includes as follows
Step；
Step 1, it obtains demand bandwidth and occupies ratio in all users in entire building higher than the user of pre-set bandwidths；
Step 2, occupy whether ratio is less than or equal to first threshold described in judgement: if so, thening follow the steps 3；If it is not, then
Terminate；
Step 3, it is accessed from lit fiber to building in all optical cables in network and picks out spare fibre core, network is enabled to distribute
The second level optical splitter at first order optical splitter and cell optical node in central machine room remains unchanged, in corridor optical point
Third level optical splitter is added in node box；And it connect the input terminal of third level optical splitter with the spare fibre core, makes
The output end of third level optical splitter is connect with indoor optical cable；
Step 4, occupy whether ratio is greater than second threshold described in judgement: if so, thening follow the steps 5；If it is not, then holding again
Row step 4；Wherein, the second threshold is less than the first threshold；
Step 5, remove the first order optical splitter in network distributing center computer room and enable the second level light point at cell optical node
Road device remains unchanged, and the third level optical splitter is replaced with final stage optical splitter, and make the input of final stage optical splitter
End is connect with the spare fibre core, connect the output end of final stage optical splitter with indoor optical cable；Wherein, final stage optical splitter
Branch number is greater than the branch number of third level optical splitter.
2. the construction method according to claim 1 for the fiber to the floor access network rebuilding, it is characterised in that: described the
One threshold value is 25%, and the second threshold is 12.5%.
3. the construction method according to claim 1 or 2 for the fiber to the floor access network rebuilding, it is characterised in that:
In step 3, the first order optical splitter is 1 × 2 optical splitter, and the third level optical splitter is 1 × 4 optical branching
Device；
In step 5, the final stage optical splitter is 1 × 8 optical splitter.
4. the construction method according to claim 3 for the fiber to the floor access network rebuilding, it is characterised in that: described the
Second level optical splitter is 1 × 8 optical splitter.
5. the construction method according to claim 1 or 4 for the fiber to the floor access network rebuilding, it is characterised in that:
In step 3, the input terminal of third level optical splitter has tail optical fiber, passes through the side of tail optical fiber described in welding and the spare fibre
Formula connect the input terminal of third level optical splitter with the spare fibre core.
6. the construction method according to claim 5 for the fiber to the floor access network rebuilding, it is characterised in that:
It further include the setting PE optical fiber protective tube on spare fibre before the tail optical fiber and the spare fibre welding in step 3
The step of.
7. the construction method for the fiber to the floor access network rebuilding according to claim 1 or 6, it is characterised in that:
In step 3, the output end of third level optical splitter has fiber, passes through the side of fiber described in welding and the indoor optical cable
Formula connect the output end of third level optical splitter with indoor optical cable.
8. the construction method according to claim 7 for the fiber to the floor access network rebuilding, it is characterised in that:
It further include the step that PE optical fiber protective tube is set on fiber before the fiber and the indoor optical cable welding in step 3
Suddenly.
9. the construction method according to claim 8 for the fiber to the floor access network rebuilding, it is characterised in that:
In step 3, between the first order optical splitter and fibre distribution frame in network distributing center computer room by way of jumper connection
Connection.
10. the construction method of the network rebuilding is accessed for fiber to the floor according to claim 1 or described in 9, it is characterised in that: institute
Stating first order optical splitter, the second level optical splitter, the third level optical splitter and the final stage optical splitter is
Boxlike splitter.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115576114A (en) * | 2021-10-29 | 2023-01-06 | 华为技术有限公司 | Light splitting method and related equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180462A (en) * | 1995-02-06 | 1998-04-29 | Adc长途电讯有限公司 | Multi-point to point communication system |
| US20110310951A1 (en) * | 2010-06-18 | 2011-12-22 | Nec Laboratories America, Inc. | Computationally-efficient mimo equalization algorithm for high-speed, real-time, adaptive polarization multiplexed (polmux) ofdm transmission with direct detection |
| CN102684810A (en) * | 2012-01-18 | 2012-09-19 | 徐志国 | Optical network protection method, optical link switching control device and optical link switching control system |
| CN102707395A (en) * | 2012-05-22 | 2012-10-03 | 上海长跃通信技术有限公司 | Protection method for FTTH (fiber to the home) line |
| CN103414509A (en) * | 2013-06-13 | 2013-11-27 | 国家电网公司 | Survivable passive optical network planning method based on fiber-wireless integration |
| CN204993716U (en) * | 2015-08-08 | 2016-01-20 | 深圳市安星装饰设计工程有限公司 | Novel wavelength devision multiplex integration of three networks system that fiber to home |
| CN107979413A (en) * | 2018-01-16 | 2018-05-01 | 北京益安佳光电科技发展有限责任公司 | The PON optical communications SOT state of termination generally investigates instrument |
-
2019
- 2019-03-18 CN CN201910203261.6A patent/CN109743111B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180462A (en) * | 1995-02-06 | 1998-04-29 | Adc长途电讯有限公司 | Multi-point to point communication system |
| US20110310951A1 (en) * | 2010-06-18 | 2011-12-22 | Nec Laboratories America, Inc. | Computationally-efficient mimo equalization algorithm for high-speed, real-time, adaptive polarization multiplexed (polmux) ofdm transmission with direct detection |
| CN102684810A (en) * | 2012-01-18 | 2012-09-19 | 徐志国 | Optical network protection method, optical link switching control device and optical link switching control system |
| CN102707395A (en) * | 2012-05-22 | 2012-10-03 | 上海长跃通信技术有限公司 | Protection method for FTTH (fiber to the home) line |
| CN103414509A (en) * | 2013-06-13 | 2013-11-27 | 国家电网公司 | Survivable passive optical network planning method based on fiber-wireless integration |
| CN204993716U (en) * | 2015-08-08 | 2016-01-20 | 深圳市安星装饰设计工程有限公司 | Novel wavelength devision multiplex integration of three networks system that fiber to home |
| CN107979413A (en) * | 2018-01-16 | 2018-05-01 | 北京益安佳光电科技发展有限责任公司 | The PON optical communications SOT state of termination generally investigates instrument |
Non-Patent Citations (1)
| Title |
|---|
| 潘佳文，沈益明: "EPON光纤到小区组网方案分析", 《江苏通信》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115576114A (en) * | 2021-10-29 | 2023-01-06 | 华为技术有限公司 | Light splitting method and related equipment |
| CN115576114B (en) * | 2021-10-29 | 2023-07-14 | 华为技术有限公司 | Light splitting method and related equipment |
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|---|---|
| CN109743111B (en) | 2020-08-28 |
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