CN203608204U

CN203608204U - Indoor optical fiber distribution system

Info

Publication number: CN203608204U
Application number: CN201320653438.0U
Authority: CN
Inventors: 杨军; 张力方; 吕召彪; 王健全
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2013-10-22
Filing date: 2013-10-22
Publication date: 2014-05-21
Anticipated expiration: 2023-10-22

Abstract

The utility model provides an indoor optical fiber distribution system. The indoor optical fiber distribution system comprises an access unit, at least an expansion unit connected with the access unit, and at least a far-end unit connected with each expansion unit, the access unit comprises at least two access processing channels and a first wavelength division multiplexer connected with each access processing channel, each access processing channel is connected with a communication system deployed by an operator, each expansion unit comprises a second wavelength division multiplexers connected with the first wavelength division multiplexer, at least two expansion processing channels connected with the second wavelength division multiplexer, and a third wavelength division multiplexer connected with each expansion processing channel, each expansion processing channel corresponds to an access processing channel, each far-end unit comprises a fourth wavelength division multiplexer connected with the third wavelength division multiplexer and at least two far-end processing channels connected with the fourth wavelength division multiplexer, and each far-end processing channel corresponds to an expansion processing channel. The system realizes simultaneous access and fusion of multiple operators.

Description

Indoor optical fiber distribution system

Technical field

The utility model relates to the communication technology, relates in particular to a kind of indoor optical fiber distribution system.

Background technology

Along with the fast development of mobile communication technology, user expects that each operator not only can provide the outdoor Mobile Communication Service of high-quality, also wishes that each operator can provide good indoor mobile communication service.

At present, existing optical fiber distribution system is only supported the access of Generation Mobile Telecommunication System technology (Second Generation, referred to as 2G) and 3G (Third Generation) Moblie technology (3rd-generation, referred to as 3G).For example, existing fiber compartment system can be realized global system for mobile communications (the Global System for Mobile Communications that operator of UNICOM provides, referred to as GSM) signal and Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, referred to as WCDMA) system signal time access and merging, or realize gsm system signal and TD SDMA (the Time Division-Synchronous Code Division Multiple Access of mobile operator, referred to as TD-SCDMA) system signal time access and merging.Along with the development of the communication technology, the 4th third-generation mobile communication technology (3rd-generation, referred to as 4G) becomes the again wireless communication technology evolution after 3G technology as Long Term Evolution (Long Term Evolution, referred to as LTE).But existing optical fiber distribution system can not be realized 2G, 3G and 4G chip processing altogether.

And for LTE system, Frequency Division Duplexing (FDD) (Frequency Division Duplexing, referred to as FDD) and time division duplex (Time Division Duplexing, referred to as TDD) realization mechanism difference, therefore, Frequency Division Duplexing (FDD) Long Term Evolution (the FDD Long Term Evolution that operator of UNICOM provides, referred to as FDD-LTE) time-division Long Term Evolution (the TD Long Term Evolution that provides of system signal and mobile operator, referred to as TD-LTE) system signal can not be total to chip processing, make each operator all need to dispose separately a set of optical fiber distribution system, thereby repeated construction and the wasting of resources are caused.

Utility model content

The utility model provides a kind of indoor optical fiber distribution system, in order to solve the problem that has repeated construction and the wasting of resources in prior art.

The utility model provides a kind of indoor optical fiber distribution system, comprising: access unit, be connected at least one expanding element of described access unit and at least one far-end unit being connected with each expanding element;

Described access unit comprises: the downstream signal of the communication system of disposing for the operator to from accessed merges, and by least two access treatment channel that are separated to from the upward signal of corresponding expanding element in the communication system that accessed operator disposes, and with described at least two first wave division multiplexers that access treatment channel is connected; The communication system that operator of each access treatment channel access disposes;

Each described expanding element comprises: the Second Wave division multiplexer being connected with described first wave division multiplexer, carry out multichannel expansion with described Second Wave division multiplexer is connected for the downstream signal to from corresponding access treatment channel, and to close from the upward signal of corresponding far-end unit road process at least two extension process passages, and with channel attached the 3rd wavelength division multiplexer of described at least two extension process; Each extension process passage is connected with a described access treatment channel with described Second Wave division multiplexer by described first wave division multiplexer;

Each described far-end unit comprises: the 4th wavelength division multiplexer being connected with described the 3rd wavelength division multiplexer, and carry out separation with described the 4th wavelength division multiplexer is connected for the downstream signal to from corresponding extension process passage, and to from carrying out at least two remote processor passages of fusion treatment with the upward signal of operator signing user terminal, each remote processor passage is connected with a described extension process passage with described the 4th wavelength division multiplexer by the 3rd wavelength division multiplexer.

The indoor optical fiber distribution system that the utility model provides, at least one far-end unit that comprises access unit, is connected at least one expanding element of access unit and is connected with each expanding element; Access unit comprises at least two access treatment channel and the first wave division multiplexer being connected with each access treatment channel, the communication system that the corresponding operator of each access treatment channel disposes; Each expanding element comprises the Second Wave division multiplexer being connected with first wave division multiplexer, at least two extension process passages that are connected with Second Wave division multiplexer and with channel attached the 3rd wavelength division multiplexer of each extension process, the corresponding access treatment channel of each extension process passage; Each far-end unit comprises the 4th wavelength division multiplexer being connected with the 3rd wavelength division multiplexer and at least two remote processor passages that are connected with the 4th wavelength division multiplexer, the corresponding extension process passage of each remote processor passage.This indoor optical fiber distribution system is by arranging respectively access treatment channel corresponding to each operator, extension process passage and remote processor passage at access unit, expanding element and far-end unit, access and merging when can realizing the communication system that multiple operators dispose, solving is separately the problem that each operator builds indoor optical fiber distribution system, avoid overlapping construction, saving resource.

Accompanying drawing explanation

A kind of indoor optical fiber distribution system structural representation that Fig. 1 provides for the utility model embodiment;

The another kind of indoor optical fiber distribution system structural representation that Fig. 2 provides for the utility model embodiment;

The structural representation of a kind of access unit down direction that Fig. 3 A provides for the utility model embodiment;

The structural representation of a kind of access unit up direction that Fig. 3 B provides for the utility model embodiment;

The structural representation of a kind of expanding element down direction that Fig. 4 A provides for the utility model embodiment;

The structural representation of a kind of expanding element up direction that Fig. 4 B provides for the utility model embodiment;

The structural representation of a kind of far-end unit down direction that Fig. 5 A provides for the utility model embodiment;

The structural representation of a kind of far-end unit up direction that Fig. 5 B provides for the utility model embodiment;

A kind of indoor optical fiber distribution system down direction structural representation that Fig. 6 provides for the utility model embodiment;

A kind of indoor optical fiber distribution system up direction structural representation that Fig. 7 provides for the utility model embodiment.

Embodiment

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

A kind of indoor optical fiber distribution system structural representation that Fig. 1 provides for the utility model embodiment.As shown in Figure 1, this indoor optical fiber distribution system comprises access unit 1, is connected at least one expanding element 2 of access unit 1, and at least one far-end unit 3 being connected with each expanding element 1.

Wherein, access unit 1 comprises at least two access treatment channel 10 and first wave division multiplexer 11.Wherein, each access treatment channel 10 is connected with first wave division multiplexer 11.Each access treatment channel 10 accesses the communication system that an operator disposes.Each expanding element 2 comprises at least two extension process passages 20, Second Wave division multiplexer 21 and the 3rd wavelength division multiplexer 22.Second Wave division multiplexer 21 is connected with the first wave division multiplexer 11 in access unit 1, and Second Wave division multiplexer 21 is also connected with each extension process passage 20.Each extension process passage 20 is connected with an access treatment channel 10 with Second Wave division multiplexer 21 by first wave division multiplexer 11, and each extension process passage 20 is also connected with the 3rd wavelength division multiplexer 22.Each far-end unit 3 comprises at least two remote processor passages 30 and the 4th wavelength division multiplexer 31.Wherein, the 4th wavelength division multiplexer 31 is connected with the 3rd wavelength division multiplexer 22, and the 4th wavelength division multiplexer 31 is also connected with each remote processor passage 30.Each remote processor passage 30 is connected with an extension process passage 20 with the 4th wavelength division multiplexer 31 by the 3rd wavelength division multiplexer 22.

In the present embodiment, between extension process passage 20 and access treatment channel 10, there is one-to-one relationship, between remote processor passage 30 and extension process passage 20, have one-to-one relationship.Illustrate, access unit 1 comprises 2 access treatment channel 10, is designated as the first access treatment channel 10a and the second access treatment channel 10b.Correspondingly, each expanding element 2 also comprises 2 extension process passages 20, is designated as the first extension process passage 20a and the second extension process passage 20b.Correspondingly, each far-end unit 3 also comprises 2 remote processor passages 30, is designated as the first remote processor passage 30a and the second remote processor passage 30b.Between extension process passage 20 and access treatment channel 10, exist corresponding relation to be: the uplink and downlink signal of the first access treatment channel 10a accesses the first extension process passage 20a by first wave division multiplexer 11 and Second Wave division multiplexer 21, the second access treatment channel 10b uplink and downlink signal accesses the second access treatment channel 20b by first wave division multiplexer 11 and Second Wave division multiplexer 21.Corresponding relation between remote processor passage 30 and extension process passage 20 is: the uplink and downlink signal of the first extension process passage 20a accesses the first remote processor passage 30a by the 3rd wavelength division multiplexer 22 and the 4th wavelength division multiplexer 31, and the second extension process passage 20b uplink and downlink signal accesses the second remote processor passage 20b by the 3rd wavelength division multiplexer 22 and the 4th wavelength division multiplexer 31.It is only example that the number of access treatment channel 10, extension process passage 20 and remote processor passage 30 is 2, the number that it will be recognized by those skilled in the art that access treatment channel 10, extension process passage 20 and remote processor passage 30 can be according to the corresponding increase of the number of operator and minimizing.

The 26S Proteasome Structure and Function of the indoor optical fiber distribution system from down direction and up direction, the present embodiment being provided respectively below describes.

Down direction: access treatment channel 10 accesses and merges for the downstream signal of the communication system to from the deployment of corresponding operator of institute.Wherein, each operator can dispose the communication system of multiple types.For example, when operator is the first operator, the communication system that can dispose comprises gsm system, WCDMA system and FDD-LTE system.When operator is the second operator, the communication system that can dispose comprises gsm system, TD-SCDMA system and TD-LTE system.Access treatment channel 10 can access the downstream signal of a communication system of corresponding operator of institute deployment, also can access multiple communication system downstream signals.Particularly, after the downstream signal of each communication system of access treatment channel 10 corresponding operator receiving, the downstream signal of communication system is carried out to analog-to-digital conversion, down-conversion and framing processing, make the downstream signal of each communication system can be total to frame, then carry out electric light and convert corresponding light signal to.In the present embodiment, each access treatment channel 10 has realized the fusion of the communication system downstream signal of corresponding operator deployment through above-mentioned processing.Each access treatment channel 10 by corresponding operator merge after light signal corresponding to downstream signal send to first wave division multiplexer 11, the optical multiplexed signal that first wave division multiplexer 11 sends each access treatment channel 10 through wavelength division multiplexing is used on an optical fiber.First wave division multiplexer 11 is connected with the Second Wave division multiplexer 21 at least one expanding element 2, by this optical fiber, multiplexing optical signal is sent to expanding element 2.

Second Wave division multiplexer 21 carries out demultiplexing to the multiplexing optical signal receiving, and obtains the downstream signal of the operator corresponding with each access treatment channel 10.In the present embodiment, the corresponding access treatment channel 10 of each extension process passage 20, the i.e. corresponding operator of each extension process passage 20.The downstream signal of each operator that Second Wave division multiplexer 21 obtains demultiplexing is linked in corresponding extension process passage 20.Each extension process passage 20 carries out shunt expansion for the downstream signal to from corresponding access treatment channel 10.Particularly, each extension process passage 20 carries out opto-electronic conversion to the downstream signal from Second Wave division multiplexer 21 and becomes the signal of telecommunication, carries out framing and processes along separate routes, and Jiang Yi road downstream signal is shunted to multichannel downstream signal, then converts light signal to through electric light.In this example, can be shunted to eight road downstream signals by Jiang Yi road downstream signal.Each extension process passage 20 sends to the multipath light signal obtaining in the 3rd wavelength division multiplexer 22, and the optical multiplexed signal that the 3rd wavelength division multiplexer 22 receives is in the future used on an optical fiber.The 3rd wavelength division multiplexer 22 is connected with the 4th wavelength division multiplexer 31 at least one far-end unit 3.The 3rd wavelength division multiplexer 22 in each expanding element 2 sends to multiplexing optical signal at least one far-end unit 3 being connected with the 3rd wavelength division multiplexer 22 by optical fiber.

The 4th wavelength division multiplexer 31 in far-end unit 3, to carrying out demultiplexing from the multiplexing optical signal in the 3rd wavelength division multiplexer 22, obtains the downstream signal of each extension process passage 20 corresponding operators.Each remote processor passage 30 correspondences and an extension process passage 20, the i.e. corresponding operators of each remote processor passage 30.Each remote processor passage 30, for by from separating in the downstream signal of corresponding extension process passage 20, obtains the downstream signal of the communication system of corresponding operator of institute deployment.Particularly, the light signal that remote processor passage 30 obtains demultiplexing carries out electric light conversion process, then separate frame and upconversion process, obtain the downstream signal of each communication system, after digital-to-analogue conversion, the downstream signal of each communication system by antenna in the indoor formation network coverage, like this with operator signing indoor terminal equipment just can in get the downstream signal of the communication system self customizing.

Up direction: remote processor passage in far-end unit 3 30 receives the upward signal that the user terminal signing with corresponding operator of institute sends, realization the fusion of upward signal of communication system of corresponding operator deployment.Particularly, each remote processor passage 30 by antenna reception from the upward signal that sends of the signing user terminal of corresponding operator, the upward signal of the each communication system to access carries out analog-to-digital conversion, down-conversion and framing processing, make the upward signal of the corresponding operator communication system of disposing can be total to frame, then convert light signal to through electric light.Each remote processor passage 30 has been realized the fusion of the upward signal of the communication system of corresponding operator deployment through above-mentioned processing.Each remote processor passage 30 by corresponding operator light signal corresponding to upward signal send to the 4th wavelength division multiplexer 31.The 4th wavelength division multiplexer 31, by the light signal from each remote processor passage 30, is multiplexed on an optical fiber.The 4th wavelength division multiplexer 31 is also connected with the 3rd wavelength division multiplexer 22 in expanding element 2, and the 4th wavelength division multiplexer 31 sends to the 3rd wavelength division multiplexer 22 by optical fiber by multiplexing optical signal.

Receiving after multiplexing optical signal, the 3rd wavelength division multiplexer 22 carries out demultiplexing to multiplexing optical signal, and the upward signal of each operator that demultiplexing is obtained accesses respectively corresponding extension process passage 20.Each extension process passage 20 carries out opto-electronic conversion, framing and electric light conversion process to the upward signal of access, and by after processing the upward signal of corresponding operator send to Second Wave division multiplexer 21.The upward signal that Second Wave division multiplexer 21 sends each extension process passage 20, is multiplexed on an optical fiber.Second Wave division multiplexer 21 is connected with the first wave division multiplexer 11 in access unit 1, by this optical fiber, multiplexing optical signal is sent to access unit 1.

Receiving after the multiplexing optical signal that Second Wave division multiplexer 21 sends, first wave division multiplexer 11 carries out demultiplexing to this multiplexing optical signal, obtains the upward signal corresponding with each access treatment channel 10, and is input to respectively in corresponding access treatment channel 10.Each access treatment channel 10 separates the upward signal of access, obtains the upward signal of the communication system of corresponding operator deployment.

At least one far-end unit that the indoor optical fiber distribution system that the present embodiment provides comprises access unit, is connected at least one expanding element of access unit and is connected with each expanding element; Access unit comprises at least two access treatment channel and the first wave division multiplexer being connected with each access treatment channel, the communication system that the corresponding operator of each access treatment channel disposes; Each expanding element comprises the Second Wave division multiplexer being connected with first wave division multiplexer, at least two extension process passages that are connected with Second Wave division multiplexer and with channel attached the 3rd wavelength division multiplexer of each extension process, the corresponding access treatment channel of each extension process passage; Each far-end unit comprises the 4th wavelength division multiplexer being connected with the 3rd wavelength division multiplexer and at least two remote processor passages that are connected with the 4th wavelength division multiplexer, the corresponding extension process passage of each remote processor passage.This system is by arranging respectively access treatment channel corresponding to each operator, extension process passage and remote processor passage at access unit, expanding element and far-end unit, access and merging when can realizing each communication system that multiple operators dispose, solve the problem of building separately indoor optical fiber distribution system for each operator, avoid overlapping construction, saving resource.

The structural representation of the another kind of indoor optical fiber distribution system that Fig. 2 provides for the utility model embodiment.In order to describe better the structure of the indoor optical fiber distribution system that the present embodiment provides, as shown in Figure 2, the number of the access treatment channel 10 in access unit 1 is set as to 2.Two access treatment channel 10 respectively called after first access treatment channel 101 and second access treatment channel 102.Correspondingly, the number of the extension process passage 20 in each expanding element 2 is also 2, respectively called after the first extension process passage 201 and the second extension process passage 202.Correspondingly, in each far-end unit 3, the number of remote processor passage 30 is also 2, respectively called after the first remote processor passage 301 and the second remote processor passage 302.

Particularly, the first access treatment channel 101 accesses the communication system that the first operator disposes, and the second access treatment channel 102 accesses the communication system that the second operator disposes.Wherein, the communication system that the first operator disposes comprises: gsm system, TD-SCDMA system and TD-LTE system, the communication system that the second operator disposes comprises: gsm system, WCDMA system and FDD-LTE system.Wherein, the communication system that the first operator and the second operator dispose includes gsm system, the first access treatment channel 101 and the second access treatment channel 102 can have a gsm system processing module, also can in an access treatment channel, a gsm system processing module be set therein, in the present embodiment, will in the signal access of gsm system the second access treatment channel 102, process.

Down direction: the first access treatment channel 101 is connected with the first operator, the downstream signal of the communication system that access the first operator disposes.The downstream signal that the downstream signal of the first operator can provide for gsm system, TD-SCDMA system and/or TD-LTE system.The second access treatment channel 102 is connected with the second operator, the downstream signal of the communication system that access the second operator disposes.The downstream signal that the downstream signal of the second operator can provide for gsm system, WCDMA system and/or FDD-LTE system.

The first access treatment channel 101 and the second access treatment channel 102 realize respectively access and the fusion of the communication system of the first operator and the deployment of the second operator.Each access treatment channel 10 to the fusion treatment process of the corresponding operator communication system of disposing, can, referring to the record of related content in above-mentioned example, repeat no more herein.The first access treatment channel 101 is connected with first wave division multiplexer 11 with the second access treatment channel 102, the downstream signal of the downstream signal of the first operator and the second operator is sent to first wave division multiplexer 11, be multiplexed on an optical fiber through first wave division multiplexer 11.First wave division multiplexer 11 sends to the Second Wave division multiplexer 21 in expanding element 2 by multiplexing optical signal by optical fiber.

Second Wave division multiplexer 21 carries out demultiplexing to multiplexing optical signal, obtains downstream signal corresponding to downstream signal corresponding to the first operator and the second operator.Owing to having corresponding relation between extension process passage 20 and access treatment channel 10, the downstream signal of logical 201 access the first operators of the first extension process, the second extension process passage 202 accesses the downstream signal of the second operator.In the present embodiment, the first extension process passage 201 is connected with the first access treatment channel 101 with Second Wave division multiplexer 21 by first wave division multiplexer 11, such the first extension process passage 201 correspondences have accessed the downstream signal of the first operator, and the second extension process passage 202 is connected with the second access treatment channel 102 with Second Wave division multiplexer 21 by first wave division multiplexer 11, the downstream signal of such second extension process passage 202 corresponding access the second operators.The first extension process passage 201 carries out shunt expansion to the downstream signal of the first operator, and the second extension process passage 202 carries out shunt expansion to the downstream signal of the second operator.Each extension process passage to the downstream signal of corresponding operator carry out shunt and expand detailed process, can, referring to the record of related content in above-described embodiment, repeat no more herein.The first extension process passage 201 is connected with the 3rd wavelength division multiplexer 22 with the second extension process passage 202, the downstream signal of the first operator and the downstream signal of the second operator that the 3rd wavelength division multiplexer 22 receives through expansion, and on wavelength division multiplexing to optical fiber.The 3rd wavelength division multiplexer 22 sends to the 4th wavelength division multiplexer 31 in far-end unit 3 by multiplexing optical signal by this optical fiber.

The 4th wavelength division multiplexer 31 carries out demultiplexing to multiplexing optical signal, obtains downstream signal corresponding to downstream signal corresponding to the first operator and the second operator.Owing to having corresponding relation between remote processor passage 30 and extension process passage 20, the logical 301 access first operator's downstream signals of the first remote processor, the second remote processor passage 302 accesses the downstream signal of the second operator.In the present embodiment, the first remote processor passage 301 is connected with the first extension process passage 201 with the 4th wavelength division multiplexer 31 by the 3rd wavelength division multiplexer 22, the downstream signal of such first remote processor passage 301 corresponding access the first operators, and the second remote processor passage 302 is connected with the second extension process passage 202 with the 4th wavelength division multiplexer 31 by the 3rd wavelength division multiplexer 22, the downstream signal of such second remote processor passage 302 corresponding access the second operators.The first remote processor passage 301 carries out separating treatment to the downstream signal of the first operator, obtain the downstream signal of each communication system of the first operator deployment, and cover in indoor formation by antenna, can get the downstream signal of the communication system of self customization with the first operator signing indoor terminal equipment.The second remote processor passage 302 carries out separating treatment to the downstream signal of the second operator, obtain the downstream signal of the second each communication system of operator, and cover in indoor formation by antenna, can get the downstream signal of self custom communication system with the second operator signing indoor terminal equipment.Each remote processor passage to the detailed process that separates of the downstream signal of corresponding operator, can, referring to the record of related content in above-described embodiment, repeat no more herein.

Up direction: the first remote processor passage 301 in far-end unit 3 receive that the user terminal signing with the first operator send upward signal, and the upward signal of the communication system that the first operator is disposed merges.The second remote processor passage 302 receive that the user terminal signing with the second operator send upward signal, and the upward signal of the communication system that the second operator is disposed merges.Each remote processor passage to the detailed process that merges of the upward signal of the corresponding operator communication system of disposing, can, referring to the record of related content in above-described embodiment, repeat no more herein.The first remote processor passage 301 is connected with the 4th wavelength division multiplexer 31 with the second remote processor passage 302, and the 4th wavelength division multiplexer 31 receives the upward signal of the upward signal of the first operator and the second operator, and is multiplexed on an optical fiber.The 4th wavelength division multiplexer 31 sends to the 3rd wavelength division multiplexer 22 in expanding element 2 by this optical fiber by multiplexing optical signal.

The 3rd wavelength division multiplexer 22 carries out demultiplexing to the multiplexing optical signal from the 4th wavelength division multiplexer 31, obtains the upward signal of the first operator and the upward signal of the second operator.The upward signal that the upward signal of the first operator accesses the first divergence process passage 201, the second operators accesses the second extension process passage 202.Each extension process passage to the upward signal of corresponding operator close road, obtain the signal of row on the way of each operator.Each extension process passage to the upward signal of the corresponding operator communication system of disposing close the detailed process on road, can, referring to the record of related content in above-described embodiment, repeat no more herein.The first extension process passage 201 is connected with Second Wave division multiplexer 21 with the second extension process passage 202, and Second Wave division multiplexer 21 receives the upward signal of the first operator and the upward signal of the second operator, and is multiplexed on an optical fiber.Second Wave division multiplexer 21 sends to multiplexing optical signal in the first wave division multiplexer 11 in access unit 1 by this optical fiber.

First wave division multiplexer 11 carries out demultiplexing to the multiplexing optical signal that comes from Second Wave division multiplexer 21, obtains the upward signal of the first operator and the upward signal of the second operator.In the upward signal access first access treatment channel 101 of the first operator, in the upward signal access second access treatment channel 102 of the second operator.The first access treatment channel 101 is carried out separating treatment to first operator's upward signal, obtains the upward signal of each communication system of the first operator deployment, and sends base station corresponding to the first operator.The second access treatment channel 102 is carried out separating treatment to the upward signal of the second operator, obtains the upward signal of each communication system of the second operator deployment, and sends to base station corresponding to the second operator.Each access treatment channel to the detailed process of upward signal separating treatment of corresponding operator, can, referring to the record of related content in above-mentioned example, repeat no more herein.

The indoor optical fiber distribution system that the present embodiment provides is by arranging respectively access treatment channel corresponding to the first operator and the second operator, extension process passage and remote processor passage at access unit, expanding element and far-end unit, access and merging when can realizing each communication system that mobile operator and operator of UNICOM dispose, solve the problem of building separately indoor optical fiber distribution system for each operator, avoid overlapping construction, saving resource.

The structural representation of a kind of access unit that Fig. 3 A-Fig. 3 B provides for the utility model embodiment.Wherein, the down direction structural representation of the access unit that Fig. 3 A provides for the utility model embodiment, the up direction structural representation of the access unit that Fig. 3 B provides for the utility model embodiment.

Access unit 1 comprises two access treatment channel 10 and first wave division multiplexer 11.Wherein, two access treatment channel 10 be designated as respectively the first access treatment channel 10a and second access treatment channel be 10b.The first corresponding the first operator of access treatment channel 10a, the second corresponding the second operator of access treatment channel 10b.Each access treatment channel 10 and first wave division multiplexer 11 annexations and function can, referring to the record of related content in above-described embodiment, repeat no more herein.

Particularly, each access treatment channel 10 comprises that subchannel 101 is processed in descending access and subchannel 102 is processed in up access.Correspondingly, the first access treatment channel 10a comprises that subchannel 101a is processed in descending access and subchannel 102a is processed in up access.The second access treatment channel 10b comprises that subchannel 101b is processed in descending access and subchannel 102b is processed in up access.

As shown in Figure 3A, the first analog to digital converter 1011, the first down-conversion subelement 1013, the first framing subelement 1015 and the first electrical to optical converter 1017 that subchannel 101a comprises connection successively processed in the descending access of the first access treatment channel 10a.The descending access of the second access treatment channel 10b is processed subchannel 101b and is comprised the first analog to digital converter 1012, the first down-conversion subelement 1014, the first framing subelement 1016 and the first electrical to optical converter 1018 that connect successively.

Particularly, the first analog to digital converter 1011 that descending access is processed in subchannel 101a carries out analog-to-digital conversion to the downstream signal of each communication system of disposing from the first operator, and accesses the first down-conversion subelement 1013.During the first down-conversion subelement 1013 carries out the downstream signal of each communication system, lower variation frequently, then sends to the first framing subelement 1015.The first framing subelement 1015 by the downstream signal framing of the each communication system in the first operator, so that the downstream signal of each communication system is total to frame transmission, has been realized the fusion of each communication system downstream signal according to default framing standard.Then the downstream signal after merging is sent to the first electrical to optical converter 1017 by the first framing subelement 1015, carries out electric light and convert to the light signal corresponding to downstream signal of the first operator.

Correspondingly, the first analog to digital converter 1012 that descending access is processed in subchannel 101b carries out analog-to-digital conversion to the downstream signal of each communication system of disposing from the second operator, and sends to the first down-conversion subelement 1014.The first down-conversion subelement 1014 carries out frequency down-converts to the downstream signal of each communication system, then sends to the first framing subelement 1016.The first framing subelement 1016, according to default framing standard, carries out framing by the downstream signal of the each communication system in the second operator, so that the frame transmission altogether of the downstream signal of each communication system has realized the fusion of each communication system downstream signal.Then the downstream signal after merging is sent to the first electrical to optical converter 1018 by the first framing subelement 1015, carries out electric light and convert to the light signal corresponding to downstream signal of the second operator.

Further, the first electrical to optical converter 1017 is connected with first wave division multiplexer 11 with the first electrical to optical converter 1018.First wave division multiplexer 11 receives the each self-corresponding light signal of the first operator and the second operator, and on wavelength division multiplexing to optical fiber, by this optical fiber, multiplexing light signal is sent to expanding element 2.

As shown in Figure 3 B, the first digital to analog converter 1021, the first up-conversion subelement 1023, the first solution frame subelement 1025 and the first optical-electrical converter 1027 that subchannel 102a comprises connection successively processed in the up access of the first access treatment channel 10a.It is that 102b comprises the first digital to analog converter 1022, the first up-conversion subelement 1024, the first solution frame subelement 1026 and the first optical-electrical converter 1028 that connect successively that subchannel is processed in the up access of the second access treatment channel 10b.

First wave division multiplexer 11 is connected with the Second Wave division multiplexer 21 in expanding element 2, be used for carrying out demultiplexing from the multiplexing upward signal of process expanding element 2, obtain upward signal corresponding to the first operator and the second operator, send to the up access in the first access treatment channel 10a to process subchannel 102a the upward signal of the first operator, and send to the descending access in the second access treatment channel 10b to process subchannel 102b the upward signal of the second operator.

Particularly, up access is processed the first optical-electrical converter 1027 in subchannel 102a to from carrying out opto-electronic conversion with the upward signal of the first operator of first wave division multiplexer 11, and sends to the first solution frame subelement 1025.First separates frame subelement 1025 adopts default solution frame standard, the upward signal of the first operator is separated to frame and separate, and obtains the upward signal of the communication system of the first operator deployment, and sends to the first up-conversion subelement 1023.The first up-conversion subelement 1023 carries out after frequency up-converted the upward signal of each communication system, sends to the first digital to analog converter 1021.After the digital-to-analogue conversion of the first digital to analog converter 1021, the upward signal of each communication system accesses corresponding base station by corresponding interface.

Correspondingly, up access is processed the first optical-electrical converter 1028 in subchannel 102b to becoming from carrying out opto-electronic conversion with the upward signal of the second operator of first wave division multiplexer 11, and sends to the first solution frame subelement 1026.First separates frame subelement 1026 adopts default solution frame standard, the upward signal of the second operator is separated to frame and separate, and obtains the upward signal of the communication system of the second operator deployment, and sends to the first up-conversion subelement 1024.The first up-conversion subelement 1024 carries out frequency up-converted to the upward signal of each communication system, and sends to the first digital to analog converter 1022.After the first digital to analog converter 1022 digital-to-analogue conversions, the upward signal of each communication system accesses corresponding base station by corresponding interface.

Further, in the present embodiment, TD-SCDMA system and the TD-LTE system of disposing due to the first operator are tdd systems, stricter to synchronous requirement.Therefore, in order to guarantee the synchronous of TD-SCDMA system and TD-LTE system, need to be in the first access treatment channel 10a the first synchronous subelement 103 is set.This first synchronous subelement 103 is connected with the first down-conversion subelement 1013 and the first framing subelement 1015 that descending access is processed in subchannel 101a, so that the communication system downstream signal that the first operator disposes is synchronizeed with the communication system downstream signal that the second operator disposes.The first synchronous subelement 103 is also connected with the first up-conversion subelement 1023 and the first solution frame subelement 1025 that up access is processed in subchannel 102a, so that the communication system uplink signal synchronization that the communication system upward signal that the first operator disposes and the second operator dispose.

The structural representation of the expanding element that Fig. 4 A-Fig. 4 B provides for the utility model embodiment.Wherein, the descending structural representation of the expanding element that Fig. 4 A provides for the utility model embodiment, the up structural representation of the expanding element that Fig. 4 B provides for the utility model embodiment.

Expanding element 2 comprises Second Wave division multiplexer 21, two extension process passages 20 and the 3rd wavelength division multiplexers 22.Wherein, two extension process passages 20 are designated as respectively the first extension process passage 20a and the second extension process passage is 20b.Corresponding the first access treatment channel 10a of the first extension process passage 20a, i.e. corresponding the first operator of the first extension process passage 20a, corresponding the second access treatment channel 10b of the second extension process passage 20b, i.e. corresponding the second operator of the second extension process passage 20b.Annexation and the effect of Second Wave division multiplexer 21, each extension process passage 20 and the 3rd wavelength division multiplexer 22 can, referring to the record of related content in above-described embodiment, repeat no more herein.

Particularly, each extension process passage 20 comprises descending extension process subchannel 201 and uplink extended processing subchannel 202.Correspondingly, the first extension process passage 20a comprises descending extension process subchannel 201a and uplink extended processing subchannel 202a.The second extension process passage 20b comprises descending extension process subchannel 201b and uplink extended processing subchannel 202b.

As shown in Figure 4 A, the descending extension process subchannel 201a of the first extension process passage 20a comprises the second optical-electrical converter 2011, the second framing subelement 2013, hub (HUB) 2015 and the 3rd electrical to optical converter 2017 that connect successively.The descending extension process subchannel 201b of the second extension process passage 20b comprises the second optical-electrical converter 2012, the second framing subelement 2014, hub (HUB) 2016 and the 3rd electrical to optical converter 2018 that connect successively.

Second Wave division multiplexer 21 in expanding element 2 carries out demultiplexing to the multiplexing downstream signal of the first wave division multiplexer 11 from access unit 1, obtain the downstream signal of the first operator and the second operator, and the downstream signal of the first operator is sent to the descending extension process subchannel 201a in the first extension process passage 20a, the downstream signal of the second operator is sent to the descending extension process subchannel 201b in the second extension process passage 20b.

Particularly, the second optical-electrical converter 2011 in descending extension process subchannel 201a receives the downstream signal from the first operator of Second Wave division multiplexer 21, and the downstream signal of the first operator is carried out to opto-electronic conversion, and send to the second framing subelement 2013 to carry out framing, then send to hub (HUB) 2015 to carry out shunt expansion.Hub (HUB) 2015 makes the downstream signal of first operator on a road be shunted to the downstream signal of multichannel the first operator, and the downstream signal of multichannel the first operator is sent to the 3rd electrical to optical converter 2017.The 3rd electrical to optical converter 2017 carries out opto-electronic conversion to the downstream signal of the first operator, then sends to the 3rd wavelength division multiplexer 22.

Correspondingly, the second optical-electrical converter 2012 in descending extension process subchannel 201b receives the downstream signal from the second operator of Second Wave division multiplexer 21, and the downstream signal of the second operator is carried out to opto-electronic conversion, and send to the second framing subelement 2014 to carry out framing, then send to hub (HUB) 2016 to carry out shunt expansion.Hub (HUB) 2016 makes the downstream signal of second operator on a road be shunted to the downstream signal of multichannel the second operator, and the downstream signal of multichannel the second operator is sent to the 3rd electrical to optical converter 2018.The 3rd electrical to optical converter 2018 carries out opto-electronic conversion to the downstream signal of the second operator, then sends to the 3rd wavelength division multiplexer 22.

Further, the 3rd wavelength division multiplexer 22, by the downstream signal of the first operator and second operator's downstream signal, is multiplexed on an optical fiber, and sends to far-end unit 3 by optical fiber.

Shown in Fig. 4 B, the uplink extended of the first extension process passage 20a is processed subchannel 202a and is comprised the second electrical to optical converter 2021, the 3rd framing subelement 2023 and the 3rd optical-electrical converter 2025 that connect successively.The uplink extended of the second extension process passage 202b is processed subchannel 202b and is comprised the second electrical to optical converter 2022, the 3rd framing subelement 2024 and the 3rd optical-electrical converter 2026 that connect successively.

The 3rd wavelength division multiplexer 22 in expanding element 2 is connected with the 4th wavelength division multiplexer 31 in far-end unit 3, be used for carrying out demultiplexing from the multiplexing upward signal of far-end unit 3 the 4th wavelength division multiplexer 31, obtain the upward signal of the first operator and the upward signal of the second operator, send to the uplink extended of the first extension process passage 20a to process subchannel 202a the upward signal of the first operator, and send to the uplink extended of the second extension process passage 20b to process subchannel 202b the upward signal of the second operator.

Particularly, the 3rd luminous point transducer 2025 that uplink extended is processed in subchannel 202a will carry out opto-electronic conversion from the upward signal of the first operator in the 4th wavelength division multiplexer 31, and send to the 3rd framing subelement 2023 to carry out framing, obtain the upward signal of road first operator, then send to the second electrical to optical converter 2021.The second electrical to optical converter 2021 carries out opto-electronic conversion to the upward signal of the first operator, and sends to Second Wave division multiplexer 21.

Correspondingly, the 3rd luminous point transducer 2026 that uplink extended is processed in subchannel 202b will carry out opto-electronic conversion from the light signal of the second operator in the 4th wavelength division multiplexer 31, and send to the 3rd framing subelement 2024 to carry out framing, obtain the upward signal of road second operator, then send to the second electrical to optical converter 2022.The second electrical to optical converter 2022 carries out opto-electronic conversion to the upward signal of the second operator, and sends to Second Wave division multiplexer 21.

Further, Second Wave division multiplexer 21 is used the optical multiplexed signal of the light signal of the first operator and the second operator on an optical fiber, and the access unit 1 of issuing by this optical fiber.

In the present embodiment, the first operator is stricter to synchronous requirement.Therefore, the second synchronous subelement 203 is set in the first extension process passage 20a.This second synchronous subelement 203 is connected with the second framing subelement 2013 that descending access is processed in subchannel 201a, so that the communication system downstream signal that the first operator disposes is synchronizeed with the communication system downstream signal that the second operator disposes.The second synchronous subelement 203 is also connected with the 3rd framing subelement 2023 that up access is processed in subchannel 202a, so that the communication system uplink signal synchronization that the communication system upward signal that the first operator disposes and the second operator dispose.

Alternatively, the descending structure of expanding element 2 is as shown in Figure 4 A outside above-mentioned part, and the second extension process passage 20b also comprises first interface subelement 204.In the descending extension process subchannel 201b of this first interface subelement 204 and the second extension process passage 20b, the second framing subelement 2014 is connected.First interface subelement 204 is for accessing from the downstream signal of WLAN (wireless local area network) WLAN and/or the downstream signal of fixed network, and sends in the second framing subelement 2014.Wherein, WLAN (wireless local area network) WLAN downstream signal is from WLAN switch, and the downstream signal of fixed network is from optical node (Optical Network Unit, referred to as OUN).

Downstream signal corresponding with the second operator the downstream signal of the downstream signal of WLAN and/or fixed network is carried out framing by the second framing subelement 2014.Particularly, if first interface subelement 204 accesses WLAN downstream signal and fixed network downstream signal simultaneously, WLAN downstream signal and the fixed network signal downstream signal corresponding with the second operator are carried out framing by the second framing subelement 2014.If first interface subelement 204 accesses WLAN downstream signal and wherein any signal of fixed network downstream signal, downstream signal corresponding with the second operator the signal of access is carried out framing by the second framing subelement 2014.The second framing subelement 2014 is realized the common frame of downstream signal corresponding to downstream signal, fixed network downstream signal and the second operator of WLAN, then sends to hub (HUB) 2016 to carry out shunt to process.

Correspondingly, the up direction structure of expanding element 2 is as shown in Figure 4 B except above-mentioned composition structure, and the up access of the second extension process passage 20b is processed subchannel 202b and also comprised: the 3rd solution frame subelement 2028 being connected with the 3rd framing subelement 2024.The 3rd separates frame subelement 2028 is also connected with first interface subelement 204.And the 3rd separate frame subelement 2028 and be also connected with the 3rd optical-electrical converter 2026, receive the upward signal that the 3rd optical-electrical converter 2026 sends to.This upward signal comprises upward signal, the upward signal of WLAN and/or the upward signal of fixed network of the second operator.The 3rd separates frame subelement 2028 separates frame processing to this upward signal, isolates upward signal, the upward signal of fixed network and/or the upward signal of the second operator of WLAN.The 3rd separates frame subelement 2028 is also connected with first interface subelement 204, by the upward signal access first interface subelement 204 of the upward signal of WLAN and/or fixed network.Further, first interface subelement 204 can access WLAN upward signal corresponding WLAN switch, fixed network upward signal can also be accessed to corresponding ONU.

Further, the 3rd separates frame subelement 2028 is also connected with the 3rd framing subelement 2024, in the time that the 3rd solution frame subelement solution frame goes out the upward signal of the second operator, the upward signal of the second operator is sent to the 3rd framing subelement 2024.The 3rd framing subelement 2024 receives the subsequent processes of the upward signal of the second operator, can, referring to the record of related content in above-described embodiment, repeat no more herein.

The structural representation of the far-end unit that Fig. 5 A-Fig. 5 B provides for the utility model.Wherein, the descending structural representation of the far-end unit that Fig. 5 A provides for the utility model, the up structural representation of the far-end unit that Fig. 5 B provides for the utility model.

Far-end unit 3 comprises two remote processor passages 30 and the 4th wavelength division multiplexer 31.Wherein, two remote processor passages 30 are designated as respectively the first remote processor passage 30a and the second remote processor passage is 30b.Corresponding the first extension process passage 20a of the first remote processor passage 30a, i.e. corresponding the first operator, the second remote processor passage 30b corresponding the second extension process passage 20b, i.e. corresponding the second operator.Annexation and the function of each remote processor passage 30 and the 4th wavelength division multiplexer 31 can, referring to the record of related content in above-described embodiment, repeat no more herein.

Particularly, each remote processor passage 30 comprises descending remote processor subchannel 301 and up remote processor subchannel 302.Correspondingly, the first remote processor passage 30a comprises descending remote processor subchannel 301a and up remote processor subchannel 302a.The second remote processor passage 30b comprises descending remote processor subchannel 301b and up remote processor subchannel 302b.

As shown in Figure 5A, the descending remote processor subchannel 301a of the first remote processor passage 30a comprises the 4th optical-electrical converter 3011, the second solution frame subelement 3013, the second up-conversion subelement 3015 and the second digital to analog converter 3017 that connect successively.The descending remote processor subchannel 301b of the second remote processor passage 30b comprises the 4th optical-electrical converter 3012, the second solution frame subelement 3014, the second up-conversion subelement 3016 and the second digital to analog converter 3018 that connect successively.

The 4th wavelength division multiplexer 31 in far-end unit 3 is connected with the 3rd wavelength division multiplexer 22 in expanding element 2, be used for carrying out demultiplexing from the multiplexing downstream signal of expanding element 2 the 3rd wavelength division multiplexer 22, obtain the downstream signal of the first operator and the downstream signal of the second operator, the downstream signal of the first operator is sent to the descending remote processor subchannel 301a in the first remote processor passage 30a, and the downstream signal of the second operator is sent to the descending remote processor subchannel 301b of the second remote processor passage 30b.

Particularly, the downstream signal of the first operator from the 3rd wavelength division multiplexer 22 is carried out opto-electronic conversion by the 4th optical-electrical converter 3011 in descending remote processor subchannel 301a, and send to the second solution frame subelement 3013.Second separates frame subelement 3013 according to default solution frame standard, the downstream signal of the first operator is separated to frame and separate, and obtains the downstream signal of each communication system of the first operator deployment, sends to the second up-conversion subelement 3015.The first up-conversion subelement 3015 carries out after frequency upconverted the downstream signal of each communication system, sends to the second digital to analog converter 3017.After the digital-to-analogue conversion of the second digital to analog converter 3017, the downstream signal of each communication system covers in indoor formation by antenna.Can receive the downstream signal of the communication system of self customization with the first operator signing indoor terminal equipment.

Correspondingly, the downstream signal of the second operator from the 3rd wavelength division multiplexer 22 is carried out opto-electronic conversion one-tenth by the 4th optical-electrical converter 3012 in descending remote processor subchannel 301b, sends to the second solution frame subelement 3014.Second separates frame subelement according to default solution frame standard, the downstream signal of the second operator is separated to frame and separate, and obtains the downstream signal of each communication system that the second operator disposes and sends to the second up-conversion subelement 3016.The second up-conversion subelement 3016 carries out after frequency upconverted the downstream signal of each communication system, sends to the second digital to analog converter 3018.After the second digital to analog converter 3018 digital-to-analogue conversions, the downstream signal of each communication system covers in indoor formation by antenna.Can receive the downstream signal of the communication system of self customization with the second operator signing indoor terminal equipment.

As shown in Figure 5 B, the up remote processor subchannel 302a of the first remote processor passage 30a comprises the 4th electrical to optical converter 3021, the 4th framing subelement 3023, the second down-conversion subelement 3025 and the second analog to digital converter 3027 that connect successively.The up remote processor subchannel 302b of the second remote processor passage 30b comprises the 4th electrical to optical converter 3022, the 4th framing subelement 3024, the second down-conversion subelement 3026 and the second analog to digital converter 3028 that connect successively.

Particularly, the upward signal that each user terminal that the second analog to digital converter 3027 is contracted by antenna reception and the first operator sends, the upward signal of each communication system that the first operator is disposed carries out analog-to-digital conversion, and sends to the second down-conversion subelement 3025.The second down-conversion subelement 3025 carries out after frequency down-converts the upward signal of each communication system, sends to the 4th framing subelement 3023.The 4th framing subelement 3023 is according to default framing standard, the upward signal of each communication system that the first operator is disposed carries out framing, so that then the frame transmission altogether of the upward signal of each communication system that the first operator disposes sends to the 4th electrical to optical converter 3021.Carry out after opto-electronic conversion through the 4th electrical to optical converter 3021, send to the 4th wavelength division multiplexer 31.

Correspondingly, the second analog to digital converter 3028 disposes by antenna reception and the second operation the upward signal that signing each user terminal sends, and the upward signal of each communication system that the second operator is disposed carries out modulus, and sends to the second down-conversion subelement 3026.The second down-conversion subelement 3026 carries out after frequency down-converts the upward signal of each communication system, sends to the 4th framing subelement 3024.The 4th framing subelement 3024, according to default framing standard, carries out framing by the upward signal of each communication system, so that then each communication system upward signal that the second operator disposes frame transmission altogether sends to the 4th electrical to optical converter 3022.After the 4th electrical to optical converter 3022 opto-electronic conversion, send to the 4th wavelength division multiplexer 31.

Further, the 4th wavelength division multiplexer 31 is multiplexed into one with on optical fiber by the upward signal of upward signal corresponding the first operator and the second operator, sends to expanding element 2 by this optical fiber.

In the present embodiment, the first operator is stricter to synchronous requirement.Therefore, the 3rd synchronous subelement 303 need to be set in the first remote processor passage 30a.The 3rd synchronous subelement 303 is connected with the 4th framing subelement 3013 and the second up-conversion subelement 3015 in descending remote processor subchannel 301a, so that the communication system downstream signal that the first operator disposes is synchronizeed with the communication system downstream signal that the second operator disposes.The 3rd synchronous subelement 303 is also connected with the 4th framing subelement 3024 and the second down-conversion subelement 3026 in up remote processor subchannel 302a, so that the communication system uplink signal synchronization that the communication system upward signal that the first operator disposes and the second operator dispose.

Down direction: in the time having merged WLAN downstream signal and/or fixed network downstream signal in the second extension process passage 20b in expanding element 2, in the second remote processor passage 30b in descending remote processor subelement 301b second separates frame subelement 3014 can be from the downstream signal of access, and solution frame goes out the downstream signal of each communication system of WLAN downstream signal, fixed network downstream signal and/or the deployment of the second operator.Further, the second remote processor passage 30b also comprises the second interface subelement 304.The second interface subelement 304 is connected with this second solution frame subelement 3014, receives WLAN downstream signal and/or fixed network downstream signal.Further, can be by WLAN downstream signal access access point (Wireless Access Point by this second interface subelement 304, referred to as AP), fixed network downstream signal can also be accessed to corresponding terminal equipment, as personal computer (Personal Computer, referred to as PC).

Correspondingly, up direction: the second interface subelement 304 in the second remote processor passage 30b of far-end unit 3 as shown in Figure 5 B is also connected with the 4th framing subelement 3024 in up remote processor subchannel 302b.The second interface subelement 304 is for accessing the 4th framing subelement 3024 by the upward signal of the WLAN from AP and/or from the fixed network upward signal of PC.Each communication system upward signal of WLAN upward signal and/or fixed network upward signal and the deployment of the second operator is carried out framing by the 4th framing subelement 3024, so that then each communication system upward signal that WLAN upward signal, fixed network upward signal and the second operator dispose frame altogether sends to the 4th electrical to optical converter 3022.The 4th electrical to optical converter 3022 receives the subsequent processes of the upward signal that the 4th framing subelement 3024 sends, and can, referring to the record of related content in above-described embodiment, repeat no more herein.

The structural representation of a kind of indoor optical fiber distribution system down direction that Fig. 6 provides for the utility model embodiment.Shown in Fig. 6, this indoor optical fiber distribution system down direction structure comprises: access unit 1, be connected at least one expanding element 2 of access unit 1, and be connected at least one far-end unit 3 of each expanding element 2.

Access unit 1 comprises at least two access treatment channel 10 and the first wave division multiplexer 11 being connected with each access treatment channel, the communication system that the corresponding operator of each access treatment channel 10 disposes.Each expanding element 2 comprises the Second Wave division multiplexer 21 being connected with first wave division multiplexer 11, at least two extension process passages 20 that are connected with Second Wave division multiplexer 21 and the 3rd wavelength division multiplexer 22 being connected with each extension process passage 20, the corresponding access treatment channel 10 of each extension process passage 20.Each far-end unit 3 comprises the 4th wavelength division multiplexer 31 being connected with the 3rd wavelength division multiplexer 22 and at least two remote processor passages 30 that are connected with the 4th wavelength division multiplexer 31, the corresponding extension process passage 20 of each remote processor passage 30.

In order to describe better the structure of the indoor optical fiber distribution system down direction that the present embodiment provides.The number of the access treatment channel 10 in access unit 1 is set as to 2.Correspondingly, the number of the extension process passage 20 in expanding element 2 is also 2, and in far-end unit 3, the number of remote processor unit 30 is also 2.Wherein, in access unit 1, each access treatment channel 10 includes descending access and processes subchannel 101 and up access processing subchannel 102.

As shown in Figure 6, the access of two in access unit 1 treatment channel 10 is the first access treatment channel 10a and the second access treatment channel 10b.The first corresponding the first operator of access treatment channel 10a, the second corresponding the second operator of access treatment channel 10b.Wherein, the first access is processed subchannel 10a and is comprised descending access treatment channel 101a and up access processing subchannel 102a, and the second access treatment channel 10b comprises that subchannel 101b is processed in descending access and subchannel 102b is processed in up access.Wherein, structure implementation, annexation and the function of subchannel 101b processed subchannel 101a and descending access and processed in descending access, can, referring to shown in above-mentioned Fig. 3 A and the record of related content, repeat no more herein.

First wave division multiplexer 11 in access unit 1 is connected with the Second Wave division multiplexer 21 in expanding element 2.Correspondingly, two corresponding the first extension process passage 20a of extension process passage 20 and the second extension process passage 20b in expanding element 2.Corresponding the first i.e. the first operator of access treatment channel 10a of the first extension process passage 20a, corresponding the second i.e. the second operator of access treatment channel 10b of the second extension process passage 20b.Wherein, the first extension process passage 20a comprises descending extension process subchannel 201a and uplink extended processing subchannel 202a, and the second extension process passage 20b comprises descending extension process subchannel 201b and uplink extended processing subchannel 202b.Wherein, structure implementation, annexation and the function of descending extension process subchannel 201a and descending extension process subchannel 201b can, referring to shown in above-mentioned Fig. 4 A and the record of related content, repeat no more herein.

The 3rd wavelength division multiplexer 22 in each expanding element 2 is connected with the 4th wavelength division multiplexer 31 at least one far-end unit 3.Correspondingly, corresponding the first remote processor passage 30a of two remote processor passages 30 in far-end unit 3 and the second remote processor passage 30b.Corresponding the first extension process passage 20a of the first remote processor passage 30a, corresponding the second extension process passage 20b of the second remote processor passage 30b.Wherein, the first remote processor passage 30a comprises descending remote processor subchannel 301a and up remote processor subchannel 302a, and the second remote processor passage 30b comprises descending remote processor subchannel 301b and up remote processor subchannel 302b.Wherein, structure implementation, annexation and the function of descending remote processor subchannel 301a and descending remote processor subchannel 301b can, referring to shown in above-mentioned Fig. 5 A and the record of related content, repeat no more herein.

The indoor optical fiber distribution system that the utility model provides is respectively access unit, expanding element and far-end unit at down direction each operator corresponding descending access processing subchannel, descending extension process subchannel and descending remote processor subchannel is set, access and merging when can realizing each communication system downstream signal that multiple operators dispose, solve the problem of building separately indoor optical fiber distribution system for each operator, avoid repeated construction, saved resource.And this system can also be linked into WLAN downstream signal and/or fixed network downstream signal in expanding element, save further resource.

The structural representation of a kind of indoor optical fiber distribution system up direction that Fig. 7 provides for the utility model embodiment.Shown in Fig. 7, this indoor optical fiber distribution system up direction structure comprises: access unit 1, be connected at least one expanding element 2 of access unit 1, and be connected at least one far-end unit 3 of each expanding element 2.

As shown in Figure 7, corresponding the first access treatment channel 10a of the access of two in access unit 1 treatment channel 10 and the second access treatment channel 10b.The first corresponding the first operator of access treatment channel 10a, the second corresponding the second operator of access treatment channel 10b.Wherein, the first access is processed subchannel 10a and is comprised descending access treatment channel 101a and up access processing subchannel 102a, and the second access treatment channel 10b comprises that subchannel 101b is processed in descending access and subchannel 102b is processed in up access.Wherein, structure implementation, annexation and the function of subchannel 102b processed subchannel 102a and up access and processed in up access, can, referring to shown in above-mentioned Fig. 3 B and the record of related content, repeat no more herein.

First wave division multiplexer 11 in access unit 1 is connected with the Second Wave division multiplexer 21 in each expanding element 2.Correspondingly, two extension process passage 20 corresponding the first extension process passage 20a and the second extension process passage 20b respectively in expanding element 2.Corresponding the first access treatment channel 10a of the first extension process passage 20a, corresponding the second access treatment channel 10b of the second extension process passage 20b.Wherein, the first extension process passage 20a comprises descending extension process subchannel 201a and uplink extended processing subchannel 202a, and the second extension process passage 20b comprises descending extension process subchannel 201b and uplink extended processing subchannel 202b.Wherein, uplink extended is processed subchannel 202a and uplink extended and processes structure implementation, annexation and the function of subchannel 202b, can, referring to shown in above-mentioned Fig. 4 B and the record of related content, repeat no more herein.

The 4th wavelength division multiplexer 31 in the 3rd wavelength division multiplexer 22 and at least one far-end unit 3 in each expanding element 2.Correspondingly, two remote processor passage 30 corresponding the first remote processor passage 30a and the second remote processor passage 30b respectively in far-end unit 3.Corresponding the first extension process passage 20a of the first remote processor passage 30a, corresponding the second extension process passage 20b of the second remote processor passage 30b.Wherein, the first remote processor passage 30a comprises descending remote processor subchannel 301a and up remote processor subchannel 302a, and the second remote processor passage 30b comprises descending remote processor subchannel 301b and up remote processor subchannel 302b.Wherein, structure implementation, annexation and the function of up remote processor subchannel 302a and up remote processor subchannel 302b can, referring to shown in above-mentioned Fig. 5 B and the record of related content, repeat no more herein.

The indoor optical fiber distribution system that the utility model provides is respectively access unit, expanding element and far-end unit at up direction and arranges that subchannel is processed in up access corresponding to each operator, uplink extended is processed subchannel and up remote processor subchannel, access and merging when can realizing each communication system downstream signal that multiple operators dispose.Solve the problem of building separately indoor optical fiber distribution system for each operator, avoided repeated construction, saved resource.And this system can also be linked into WLAN upward signal and/or fixed network upward signal in expanding element, save further resource.

Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.

Claims

1. an indoor optical fiber distribution system, is characterized in that, comprising: access unit, be connected at least one expanding element of described access unit and at least one far-end unit being connected with each expanding element;

Each described far-end unit comprises: the 4th wavelength division multiplexer being connected with described the 3rd wavelength division multiplexer, and carry out separation with described the 4th wavelength division multiplexer is connected for the downstream signal to from corresponding extension process passage, and to from the upward signal of the signing user terminal of corresponding operator carry out at least two remote processor passages of fusion treatment, each remote processor passage is connected with a described extension process passage with described the 4th wavelength division multiplexer by described the 3rd wavelength division multiplexer.

2. indoor optical fiber distribution system according to claim 1, is characterized in that, each access treatment channel comprises: subchannel is processed in descending access and subchannel is processed in up access;

Described descending access is processed subchannel and is comprised: the first analog to digital converter, the first down-conversion subelement, the first framing subelement and the first optical-electrical converter that connect successively;

Described up access is processed subchannel and is comprised: the first digital to analog converter, the first up-conversion subelement, first that connect are successively separated frame subelement and the first electrical to optical converter.

3. indoor optical fiber distribution system according to claim 2, is characterized in that, the communication system that the first corresponding the first operator of access treatment channel in described at least two access treatment channel disposes;

Described the first access treatment channel also comprises the first synchronous subelement, the described first synchronous subelement is connected with described the first down-conversion subelement and described the first framing subelement that the descending access of described the first access treatment channel is processed in subchannel, and described the first up-conversion subelement and described the first solution frame subelement processed in subchannel with the up access of described the first access treatment channel are connected.

4. according to the indoor optical fiber distribution system described in claim 1 or 2 or 3, it is characterized in that, each extension process passage comprises:

Descending extension process subchannel and uplink extended are processed subchannel;

Described descending extension process subchannel comprises: the second optical-electrical converter, the second framing subelement, hub HUB and the 3rd electrical to optical converter that connect successively;

Described uplink extended is processed subchannel and is comprised: the second electrical to optical converter, the 3rd framing subelement and the 3rd optical-electrical converter that connect successively.

5. indoor optical fiber distribution system according to claim 4, it is characterized in that, the first extension process passage in described at least two extension process passages also comprises the second synchronous subelement, in the descending extension process subchannel of the described second synchronous subelement and described the first extension process passage, in the descending extension process subchannel of the second framing subelement and described the first extension process passage, hub HUB is connected, and processes the 3rd framing subelement in subchannel with the uplink extended of described the first extension process passage and be connected;

Wherein, described the first extension process passage is the extension process passage being connected with the first access treatment channel with described Second Wave division multiplexer by described first wave division multiplexer, and described the first access treatment channel is in described at least two access treatment channel, to access the access treatment channel of the communication system of the first operator deployment.

6. indoor optical fiber distribution system according to claim 5, the uplink extended of the second extension process passage in described at least two extension process passages is processed subchannel and is also comprised: the upward signal of processing subchannel the 3rd optical-electrical converter for separating frame from the uplink extended of described the second extension process passage, obtain WLAN (wireless local area network) WLAN upward signal, the 3rd of upward signal corresponding to fixed network upward signal and/or the second operator separated frame subelement, described the 3rd solution frame subelement is processed the 3rd framing subelement in subchannel with the uplink extended of described the second extension process passage and is connected, and process the 3rd optical-electrical converter in subchannel with the uplink extended of described the second extension process passage and be connected,

Described the second extension process passage also comprises: for WLAN downstream signal and/or fixed network downstream signal being accessed to the descending extension process subchannel second framing subelement of described the second extension process passage, and receive from the described WLAN upward signal of described the 3rd solution frame subelement and/or the first interface subelement of described fixed network upward signal, in the descending extension process subchannel of described first interface subelement and described the second extension process passage, the second framing subelement is connected, and separates frame subelement and be connected with the described the 3rd;

Wherein, described the second extension process passage is the extension process passage being connected with the second access treatment channel with described Second Wave division multiplexer by described first wave division multiplexer, and described the second access treatment channel is in described at least two access treatment channel, to access the access treatment channel of the communication system of the second operator deployment.

7. according to the indoor optical fiber distribution system described in claim 1 or 2 or 3, it is characterized in that, each remote processor passage comprises:

Descending remote processor subchannel and up remote processor subchannel;

Described descending remote processor subchannel comprises: the 4th optical-electrical converter, second connecting is successively separated frame subelement, the second up-conversion subelement and the second digital to analog converter;

Described up remote processor subchannel comprises: the 4th electrical to optical converter, the 4th framing subelement, the second down-conversion subelement and the 4th optical-electrical converter that connect successively.

8. indoor optical fiber distribution system according to claim 7, it is characterized in that, the first remote processor passage in described at least two remote processor passages also comprises: the 3rd synchronous subelement, the second up-conversion subelement that in the descending remote processor subchannel of the described the 3rd synchronous subelement and described the first remote processor passage described second separated in the descending remote processor subchannel of frame subelement and described the first remote processor passage is connected, and be connected with the second down-conversion subelement in the up remote processor subchannel of described the 4th framing subelement in the up remote processor subchannel of described the first remote processor passage and described the first remote processor passage,

Wherein, described the first remote processor passage is by described the 3rd wavelength division multiplexer and described the 4th wavelength division multiplexer and the channel attached remote processor passage of the first extension process, described the first extension process passage is the extension process passage being connected with the first access treatment channel with described Second Wave division multiplexer by described first wave division multiplexer, and described the first access treatment channel is in described at least two access treatment channel, to access the access treatment channel of the communication system of the first operator deployment.

9. indoor optical fiber distribution system according to claim 8, it is characterized in that, the second remote processor passage in described at least two remote processor passages also comprises: separate for the descending remote processor passage second that receives described the second remote processor passage WLAN downstream signal and/or the fixed network downstream signal that frame subelement sends, and receive and send WLAN upward signal and/or fixed network upward signal the second interface subelement to the 4th framing subelement in the up remote processor subchannel of described the second remote processor passage, in the descending remote processor subchannel of described the second interface subelement and described the second remote processor passage second separated frame subelement and is connected, and be connected with the 4th framing subelement in the up remote processor subchannel of described the second remote processor passage,

Wherein, described the second remote processor passage is by described the 3rd wavelength division multiplexer and described the 4th wavelength division multiplexer and the channel attached remote processor passage of the second extension process, described the second extension process passage is the extension process passage being connected with the second access treatment channel with described Second Wave division multiplexer by described first wave division multiplexer, and described the second access treatment channel is in described at least two access treatment channel, to access the access treatment channel of the communication system of the second operator deployment.