CN207677735U - A kind of multimode fibre based on catv network zooms out covering system of registering one's residence - Google Patents
A kind of multimode fibre based on catv network zooms out covering system of registering one's residence Download PDFInfo
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- CN207677735U CN207677735U CN201721736307.3U CN201721736307U CN207677735U CN 207677735 U CN207677735 U CN 207677735U CN 201721736307 U CN201721736307 U CN 201721736307U CN 207677735 U CN207677735 U CN 207677735U
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Abstract
The utility model is related to a kind of multimode fibres based on catv network to zoom out covering system of registering one's residence, including：One proximal end unit, an expanding element and a plurality of far-end units；One end of proximal end unit is coupled with the base stations 2G, NodeB, the base stations 4G or base station zoom out system, and the other end is connected to the optical fiber interface of expanding element one end through optical fiber interface by optical fiber；Expanding element one end further includes a first CATV coaxial cable interfaces being connected with catv network by CATV coaxial cables；The expanding element other end includes the 2nd CATV coaxial cable interfaces being connected with corresponding far-end unit by CATV coaxial cables；One end of far-end unit includes a 3rd CATV coaxial cable interfaces being connect with the 2nd CATV coaxial cable interfaces, and the other end includes the 4th CATV coaxial cable interfaces being connected with original TV set-top box by CATV coaxial cables and a retransmitting antenna for covering 2G movable signals, 3G movable signals, 4G movable signals to the area of coverage.The utility model has the advantages of simple structure and easy realization.
Description
Technical field
The utility model is related to wireless telecom equipment technical field, especially a kind of multimode fibre based on catv network is drawn
Remote covering system of registering one's residence.
Background technology
There are CATV signals in existing cell, hotel, hotel, generally realize that CATV signals are realized using CATV coaxial cables
It registers one's residence covering；The covering and traditional room subsystem is not all registered one's residence, antenna is all on house doorway, and signal is decayed when passing through wall
Seriously, cause indoor signal and extraneous signal field strength to be not much different, easy to produce weak covering, pilot pollution and ping-pong, sternly
Ghost image rings the perception of user.
Invention content
The purpose of this utility model is to provide a kind of multimode fibres based on catv network to zoom out covering system of registering one's residence, with
Overcome defect existing in the prior art.
To achieve the above object, the technical solution of the utility model is：A kind of multimode fibre based on catv network zooms out
It registers one's residence covering system, including：One proximal end unit, an expanding element and a plurality of far-end units；One end of the proximal end unit
It is coupled with the base stations 2G, NodeB, the base stations 4G or base station zoom out system, the other end is connected to through optical fiber interface by optical fiber described
The optical fiber interface of expanding element one end；Described expanding element one end further includes one being connected with catv network by CATV coaxial cables
The first CATV coaxial cable interfaces connect；The expanding element other end includes by CATV coaxial cables and corresponding distal end list
The 2nd connected CATV coaxial cable interfaces of member；One end of the far-end unit connects including one with the 2nd CATV coaxial cables
3rd CATV coaxial cable interfaces of mouth connection, the other end include being connected with original TV set-top box by CATV coaxial cables
The 4th CATV coaxial cable interfaces and one for by 2G movable signals, 3G movable signals, 4G movable signals to the area of coverage into
The retransmitting antenna of row covering.
In one embodiment of the utility model, the proximal end unit includes and the matched 2G duplexers in the base stations 2G and 3G bases
Stand matched 3G duplexers, with the matched 4G duplexers in the base stations 4G, the first laser device being connected with 2G duplexers, with 3G duplexers
Connected second laser, the third laser being connected with 4G duplexers and respectively with the first laser device, second laser
The first intensive light wavelength division multiplexing that device is connected with third laser；The first intensive light wavelength division multiplexing also with the proximal end
The optical fiber interface of the unit other end is connected.
In one embodiment of the utility model, the expanding element include be connected with one end optical fiber interface it is second intensive
Light wavelength division multiplexing, the 4th laser, the 5th laser, the 6th laser and CATV are mixed to divide device；4th laser,
Five lasers, the 6th laser are connected with the described second intensive light wavelength division multiplexing respectively；The CATV is mixed divide device respectively with institute
It is same to state the first CATV coaxial cable interfaces, the 4th laser, the 5th laser, the 6th laser and the 2nd CATV
Shaft cable interface is connected.
In one embodiment of the utility model, the far-end unit includes CATV combiners, the first power amplifier low noise integration
Unit, the second power amplifier low noise integrated unit, third power amplifier low noise integrated unit and multiplexer；The CATV combiners point
It is not integrated with the 3rd CATV coaxial cable interfaces, the 4th CATV coaxial cable interfaces, the first power amplifier low noise
Unit, the second power amplifier low noise integrated unit, third power amplifier low noise integrated unit are connected；The first power amplifier low noise integration
Unit, the second power amplifier low noise integrated unit, third power amplifier low noise integrated unit are also connected with the multiplexer respectively；It is described
Multiplexer is also connected with the retransmitting antenna.
Compared to the prior art, the utility model has the advantages that：The utility model proposes one kind to be based on
The multimode fibre of catv network zooms out covering system of registering one's residence, including proximal end unit, expanding element and far-end unit.By 2G, 3G, 4G
Movable signal solves the problems, such as 2G, 3G, 4G movable signal and CATV signals not in same website by zooming out, then by 2G,
3G, 4G movable signal and CATV signals combining after and decile outputting multiplex signals, and using original CATV coaxial cables progress
Signal transmission is not influencing original catv network signal, while realizing the covering of registering one's residence of 2G, 3G, 4G movable signal.Overcome biography
The system indoor distributed system construction time is long, the construction difficult problems such as property difficult coordination；Building time is short, at low cost, 2G, 3G, 4G
Movable signal is got in by original CATV coaxial cables and is covered, and to solve, indoor 2G, 3G, 4G signal is weak to be covered
Lid, pilot pollution and ping-pong, improve the perception of user.
Description of the drawings
Fig. 1 is the principle frame that a kind of multimode fibre based on catv network zooms out covering system of registering one's residence in the utility model
Figure.
Fig. 2 is unit functional block diagram in proximal end in the utility model.
Fig. 3 is expanding element functional block diagram in the utility model.
Fig. 4 is far-end unit functional block diagram in the utility model.
Fig. 5 is that former block diagram is connected in the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings and existing software, the technical solution of the utility model is specifically described.In the explanation
Involved existing software is not the object that the utility model is protected in the process, and the utility model only protects the knot of the device
Structure and connection relation.
In the present embodiment, as shown in Figure 1, a kind of multimode fibre based on catv network provided by the utility model zooms out
Covering system of registering one's residence include a base station, a proximal end unit, an expanding element and a plurality of far-end units, one end of proximal end unit with
One base station 2G, 3G, 4G or base station zoom out system are coupled, and the optical fiber interface of the other end of proximal end unit is single with extension by optical fiber
The optical fiber interface connection of member.One end of expanding element is equipped with an optical fiber interface and a CATV coaxial cable interfaces, and optical fiber interface is logical
It crosses optical fiber with proximal end unit to be connected, CATV coaxial cable interfaces are connected by coaxial cable with catv network.Expanding element
The other end be equipped with a plurality of CATV coaxial cable interfaces, and pass through the CATV coaxial electricals of coaxial cable and a plurality of far-end units
Cable interface connects.Far-end unit is equipped with two CATV coaxial cable interfaces, and one of CATV coaxial cable interfaces pass through coaxial
Cable interface is connected with expanding element, another CATV coaxial cable interface passes through coaxial cable and original TV set-top box
It is connected.The far-end unit other end is equipped with a retransmitting antenna, will zoom out amplified 2G, 3G, 4G movable signal to covering
Area is covered；
In the present embodiment, as shown in Fig. 2, proximal end unit is used in the downlink by the base station 2G, 3G, 4G or base station
Far-drawing system coupling 2G, 3G, 4G downlink signal, through 2G duplexers, 3G duplexers and 4G duplexers respectively enter laser 1,
Laser 2, laser 3 are converted to 1 optical signals of λ, 2 optical signals of λ, 3 optical signals of λ, 1 optical signals of λ, 2 optical signals of λ, 3 optical signals of λ point
Not Jin Ru intensive light wavelength division multiplexing 1, intensive light wavelength division multiplexing 1 by 1 optical signals of λ, 2 optical signals of λ, 3 optical signals of λ combining at one
Kind is containing there are three types of different wave lengths（λ1、λ2、λ3）Optical signal after expanding element is transmitted to by optical fiber.The uplink of proximal end unit
Lu Zhongcong optical fiber receives the optical signal that expanding element transmits, and contains three through receiving the one kind transmitted from expanding element by optical fiber
Kind different wave length（λ4、λ5、λ6）Optical signal enter intensive light wavelength division multiplexing 1, intensive light wavelength division multiplexing 1 will contain difference
The optical signal of wavelength resolves into 4 optical signals of λ, 5 optical signals of λ, 6 optical signals of λ and respectively enters laser 1, laser 2, laser 3,
4 optical signals of λ, 5 optical signals of λ, 6 optical signals of λ are converted to 2G, 3G, 4G upstream radio-frequency by laser 1, laser 2, laser 3 respectively
Signal is sent to the base station 2G, 3G, 4G or base station zoom out system through 2G duplexers, 3G duplexers and 4G duplexers.
In the present embodiment, as shown in figure 3, expanding element was transmitted by optical fiber reception proximal end unit in the downlink
The one kind come is containing there are three types of different wave lengths（λ1、λ2、λ3）Optical signal enter intensive light wavelength division multiplexing 2, intensive light wave point is multiple
It will contain different wave length with device 2（λ1、λ2、λ3）Optical signal resolve into 1 optical signals of λ, 2 optical signals of λ, 3 optical signals of λ respectively into
Enter laser 4, laser 5, laser 6, laser 4, laser 5, laser 6 are respectively by 1 optical signals of λ, 2 optical signals of λ, 3 light of λ
Signal is converted to 2G, 3G, 4G downlink radio-frequency signal, 2G, 3G, 4G downlink radio-frequency signal and CATV signals and divides device to be combined through CATV is mixed
Afterwards and decile exports, and several far-end units are transmitted to using original CATV coaxial cables.Expanding element in the uplink from
CATV coaxial cables receive the CATV signals transmitted from far-end unit, 2G, 3G, 4G uplink signal enter that CATV is mixed to divide device,
CATV is mixed to divide device to detach CATV signals, 2G, 3G, 4G uplink signal, the catv network unit that CATV signals send back to；
2G, 3G, 4G uplink signal enter laser 4, laser 5, laser 6 be converted to 4 optical signals of λ, 5 optical signals of λ, 6 optical signals of λ into
Enter intensive light wavelength division multiplexing 2；There are three types of intensive light wavelength division multiplexing 2 contains the optical signal combining of three kinds of different wave lengths at one kind
Different wave length（λ4、λ5、λ6）Optical signal after proximal end unit is transmitted to by optical fiber.The CATV of expanding element is mixed to divide device that can incite somebody to action
CATV signals and the combining of 2G, 3G, 4G downlink signal and decile multiple-channel output, also can be by multichannel CATV signals and 2G, 3G, 4G uplink
Signal is detached.
In the present embodiment, as shown in figure 4, far-end unit will be received in the downlink by CATV coaxial cables from
CATV signals that expanding element transmits, 2G, 3G, 4G downlink signal enter CATV combiners, CATV combiners by CATV signals,
2G, 3G, 4G downlink signal are detached, and CATV signals connect original TV set-top box；2G, 3G, 4G downlink signal respectively enter
Power amplifier low noise integration 1, power amplifier low noise integration 2, power amplifier low noise integration 3 enter multiplexer, multiplexer after power amplification
Interior is covered by retransmitting antenna after 2G, 3G, 4G downlink signal are combined.The uplink of far-end unit passes through repeating transmission
Antenna receives 2G, 3G, 4G uplink signal and enters multiplexer, and 2G, 3G, 4G uplink signal respectively enter power amplifier after multiplexer detaches
Low noise integration 1, power amplifier low noise integration 2, power amplifier low noise integration 3, respectively enter after uplink low noise amplification respectively
CATV combiners are combined, and expanding element is transmitted to by CATV coaxial cables.CATV combiners can by CATV signals and
2G, 3G, 4G downlink signal detach, and can also be combined CATV signals and 2G, 3G, 4G uplink signal.
With reference to the hardware configuration and attached drawing of the utility model, the specific implementation to the utility model total system
Mode illustrates.
As shown in figure 5, downlink is：Proximal end unit is used to draw the base station 2G, 3G, 4G or base station in the downlink
2G, 3G, 4G downlink signal of remote system coupling respectively enter laser 1 through 2G duplexers, 3G duplexers and 4G duplexers, swash
Light device 2, laser 3 are converted to 1 optical signals of λ, 2 optical signals of λ, 3 optical signals of λ, 1 optical signals of λ, 2 optical signals of λ, 3 optical signals of λ difference
Into intensive light wavelength division multiplexing 1, intensive light wavelength division multiplexing 1 is by 1 optical signals of λ, 2 optical signals of λ, the combining of 3 optical signals of λ at one kind
Containing there are three types of different wave lengths（λ1、λ2、λ3）Optical signal after expanding element is transmitted to by optical fiber；Expanding element is in downlink chain
The one kind sent by optical fiber reception proximal end unit in road is containing there are three types of different wave lengths（λ1、λ2、λ3）Optical signal enter
Intensive light wavelength division multiplexing 2, intensive light wavelength division multiplexing 2 will contain different wave length（λ1、λ2、λ3）Optical signal resolve into λ 1
Optical signal, 2 optical signals of λ, 3 optical signals of λ respectively enter laser 4, laser 5, laser 6, laser 4, laser 5, laser
1 optical signals of λ, 2 optical signals of λ, 3 optical signals of λ are converted to 2G, 3G, 4G downlink radio-frequency signal by device 6 respectively, and 2G, 3G, 4G downlink are penetrated
The simultaneously decile output after CATV is mixed and device is divided to be combined of frequency signal and CATV signals, is transmitted to several using original CATV coaxial cables
Far-end unit；Far-end unit will receive the CATV transmitted from expanding element by CATV coaxial cables in the downlink to be believed
Number, 2G, 3G, 4G downlink signal enter CATV combiners, CATV combiners are divided CATV signals, 2G, 3G, 4G downlink signal
From CATV signals connect original TV set-top box；It is low that 2G, 3G, 4G downlink signal respectively enter power amplifier low noise integration 1, power amplifier
Make an uproar integration 2, power amplifier low noise integration 3, after power amplification enter multiplexer, multiplexer by 2G, 3G, 4G downlink signal be combined
Interior is covered by retransmitting antenna afterwards.
Uplink is：The uplink of far-end unit receives 2G, 3G, 4G uplink signal by retransmitting antenna and enters multiplexing
Device, 2G, 3G, 4G uplink signal respectively enter power amplifier low noise integration 1, power amplifier low noise integration 2, power amplifier after multiplexer detaches
Low noise integration 3 respectively enters CATV combiners after uplink low noise amplification and is combined, passes through CATV coaxial cables respectively
It is transmitted to expanding element；Expanding element receives the CATV letters transmitted from far-end unit from CATV coaxial cables in the uplink
Number, 2G, 3G, 4G uplink signal enter that CATV is mixed to divide device, CATV is mixed to divide device to be divided CATV signals, 2G, 3G, 4G uplink signal
From the catv network unit that CATV signals send back to；2G, 3G, 4G uplink signal enter laser 4, laser 5,6 turns of laser
It is changed to 4 optical signals of λ, 5 optical signals of λ, 6 optical signals of λ and enters intensive light wavelength division multiplexing 2；Intensive light wavelength division multiplexing 2 by three kinds not
The optical signal combining of co-wavelength is at one kind containing there are three types of different wave lengths（λ4、λ5、λ6）Optical signal after be transmitted to closely by optical fiber
End unit；Receive the optical signal that expanding element transmits from optical fiber in the uplink of proximal end unit, through by optical fiber receive from
One kind that expanding element transmits is containing there are three types of different wave lengths（λ4、λ5、λ6）Optical signal enter intensive light wavelength division multiplexing 1, it is close
Optical signal containing different wave length is resolved into 4 optical signals of λ, 5 optical signals of λ, 6 optical signals of λ and respectively enterd by collection light wavelength division multiplexing 1
Laser 1, laser 2, laser 3, laser 1, laser 2, laser 3 respectively believe 4 optical signals of λ, 5 optical signals of λ, 6 light of λ
Number 2G, 3G, 4G upstream radio-frequency signal are converted to, the base station 2G, 3G, 4G is sent to through 2G duplexers, 3G duplexers and 4G duplexers
Or base station zoom out system.
It is the preferred embodiment of the utility model above, it is all to change according to made by technical solutions of the utility model, it is produced
Function without departing from technical solutions of the utility model range when, belong to the scope of protection of the utility model.
Claims (4)
1. a kind of multimode fibre based on catv network zooms out covering system of registering one's residence, which is characterized in that including：One proximal end unit,
One expanding element and a plurality of far-end units；It is drawn with the base stations 2G, NodeB, the base stations 4G or base station one end of the proximal end unit
Remote system coupled, the other end is connected to the optical fiber interface of described expanding element one end through optical fiber interface by optical fiber；The expansion
It further includes a first CATV coaxial cable interfaces being connected with catv network by CATV coaxial cables to open up unit one end；It is described
The expanding element other end includes the 2nd CATV coaxial cable interfaces being connected with corresponding far-end unit by CATV coaxial cables；
One end of the far-end unit includes a 3rd CATV coaxial cable interfaces being connect with the 2nd CATV coaxial cable interfaces,
The other end includes the 4th CATV coaxial cable interfaces and one being connected with original TV set-top box by CATV coaxial cables
Retransmitting antenna for covering 2G movable signals, 3G movable signals, 4G movable signals to the area of coverage.
2. a kind of multimode fibre based on catv network according to claim 1 zooms out covering system of registering one's residence, feature exists
In the proximal end unit includes being matched with the matched 2G duplexers in the base stations 2G, with the matched 3G duplexers of NodeB, with the base stations 4G
4G duplexers, be connected with 2G duplexers first laser device, be connected with 3G duplexers second laser, with 4G duplexer phases
Third laser even and the first intensive light being connected respectively with third laser with the first laser device, second laser
Wavelength division multiplexer；The first intensive light wavelength division multiplexing is also connected with the optical fiber interface of the proximal end unit other end.
3. a kind of multimode fibre based on catv network according to claim 2 zooms out covering system of registering one's residence, feature exists
In the expanding element includes the second intensive light wavelength division multiplexing being connected with one end optical fiber interface, the 4th laser, the 5th
Laser, the 6th laser and CATV are mixed to divide device；4th laser, the 5th laser, the 6th laser respectively with institute
The second intensive light wavelength division multiplexing is stated to be connected；The CATV is mixed divide device respectively with the first CATV coaxial cable interfaces, described
4th laser, the 5th laser, the 6th laser and the 2nd CATV coaxial cable interfaces are connected.
4. a kind of multimode fibre based on catv network according to claim 2 zooms out covering system of registering one's residence, feature exists
In, the far-end unit include CATV combiners, the first power amplifier low noise integrated unit, the second power amplifier low noise integrated unit,
Third power amplifier low noise integrated unit and multiplexer；The CATV combiners connect with the 3rd CATV coaxial cables respectively
Mouth, the 4th CATV coaxial cable interfaces, the first power amplifier low noise integrated unit, the second power amplifier low noise integration are single
Member, third power amplifier low noise integrated unit are connected；The first power amplifier low noise integrated unit, the second power amplifier low noise integration are single
Member, third power amplifier low noise integrated unit are also connected with the multiplexer respectively；The multiplexer also with the retransmitting antenna phase
Even.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721736307.3U CN207677735U (en) | 2017-12-13 | 2017-12-13 | A kind of multimode fibre based on catv network zooms out covering system of registering one's residence |
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| CN201721736307.3U CN207677735U (en) | 2017-12-13 | 2017-12-13 | A kind of multimode fibre based on catv network zooms out covering system of registering one's residence |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809283A (en) * | 2017-12-13 | 2018-03-16 | 中邮科通信技术股份有限公司 | A kind of multimode fibre based on catv network zooms out register one's residence covering system and method |
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2017
- 2017-12-13 CN CN201721736307.3U patent/CN207677735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809283A (en) * | 2017-12-13 | 2018-03-16 | 中邮科通信技术股份有限公司 | A kind of multimode fibre based on catv network zooms out register one's residence covering system and method |
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