CN208210313U - Signal cladding system and signal cover system - Google Patents
Signal cladding system and signal cover system Download PDFInfo
- Publication number
- CN208210313U CN208210313U CN201820461175.6U CN201820461175U CN208210313U CN 208210313 U CN208210313 U CN 208210313U CN 201820461175 U CN201820461175 U CN 201820461175U CN 208210313 U CN208210313 U CN 208210313U
- Authority
- CN
- China
- Prior art keywords
- signal
- uplink
- downlink
- radio
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a kind of signal cladding systems and signal to cover system.The device includes: uplink, first radio-frequency head receives uplink signal, uplink power amplifying unit carries out power amplification processing to uplink signal, uplink AGC control unit is according to the gain size of the uplink signal received, the upstream radio-frequency signal for exporting the first gain ranging carries out radio frequency output to upstream radio-frequency signal by the second radio-frequency head；Downlink, second radio-frequency head receives downlink signal, descending power amplifying unit carries out power amplification processing to downlink signal, downlink AGC control unit is according to the gain size of the downlink signal received, the downlink radio-frequency signal in the second gain ranging is exported, radio frequency output is carried out to downlink radio-frequency signal by the first radio-frequency head.The utility model is amplified by the gain of automatic adjusument signal, keeps indoor coverage of signal simple.
Description
Technical field
The utility model relates to communication technique fields, cover system more particularly to a kind of signal cladding system and signal.
Background technique
In electric power information collection system, concentrator is typically mounted at indoor spaces, and indoor spaces are usually communication signal
The blind area of covering, to realize the wireless telecommunications of concentrator and electric power information collection system, it is necessary to be covered by signal, to increase
The intensity of strong signal.In general, the covering to signal can be realized using traditional indoor micro repeater, however, in reality
In engineering, requirement of the indoor micro repeater to installation environment is high, and exterior aerial is necessarily mounted at outdoor signal compared with strength, from
And the difficulty of indoor coverage of signal installation is improved, increase installation cost.
Utility model content
Based on this, it is necessary to be directed to indoor coverage of signal difficult problem, provide a kind of signal cladding system and signal covering
System.
A kind of signal cladding system, comprising:
Uplink, in the uplink, the first radio-frequency head receives uplink signal, and uplink power amplifying unit is to described
Uplink signal carries out power amplification processing, and uplink signal after processing is sent to uplink AGC and controlled by the uplink power amplifying unit
Unit processed；Uplink AGC control unit is penetrated according to the uplink that the gain size of the uplink signal received exports the first gain ranging
Frequency signal carries out radio frequency output to the upstream radio-frequency signal by the second radio-frequency head；
Downlink, in the downlink, the second radio-frequency head receives downlink signal, and descending power amplifying unit is to downlink
Signal carries out power amplification processing, and by treated, downlink signal is sent to downlink AGC control to the descending power amplifying unit
Unit；Downlink AGC control unit exports the downlink in the second gain ranging according to the gain size of the downlink signal received and penetrates
Frequency signal carries out radio frequency output to the downlink radio-frequency signal by the first radio-frequency head
Above-mentioned signal cladding system, including uplink and downlink, uplink lead to the uplink signal received
Adaptive gain amplification is crossed, exports upstream radio-frequency signal, same downlink is by the downlink signal received by adaptively increasing
Benefit amplification, exports downlink radio-frequency signal, in adaptive gain amplifier section, by setting power amplification unit and AGC control unit,
It can be with the radiofrequency signal within the scope of output gain.To in deployment signal cladding system, the utility model embodiment can be
It is disposed under the weaker environment of signal, to reduce the cost of indoor coverage of signal.
It in one of the embodiments, further include MCU Main Processing Unit unit, the MCU Main Processing Unit connects the uplink
AGC control unit and downlink AGC control unit；In the uplink, MCU Main Processing Unit receives uplink signal, and detects
The gain size of row signal, the MCU Main Processing Unit control the uplink AGC control unit and are correspondingly arranged for uplink signal
Gain amplification factor；In the downlink, MCU Main Processing Unit receives downlink signal and detects the gain size of downlink signal,
The MCU Main Processing Unit controls the downlink AGC control unit and is correspondingly arranged gain amplification factor for downlink signal.
It in one of the embodiments, further include power supply interface；The power supply interface includes Multiplexing module and conversion module；
The input terminal of the Multiplexing module connects the output end of the conversion module, and the input terminal of the conversion module is for connecting power supply
Power supply；The input terminal of the output end connection uplink of the Multiplexing module or the output end of downlink.
The conversion module includes: the straight conversion module of friendship-or straight-straight conversion module in one of the embodiments,.
The uplink power amplifying unit includes: uplink low noise amplifier in one of the embodiments,；The downlink function
Rate amplifying unit includes: downlink low noise amplifier.
The uplink AGC control unit includes: uplink auto level control module and uplink in one of the embodiments,
Pre-amplifying module；The downlink AGC control unit includes: downlink auto level control module and downlink pre-amplifying module；
The MCU Main Processing Unit is separately connected the uplink auto level control module and the downlink auto level control module.
In one of the embodiments, further include: active power filtering unit and bandreject filtering unit；
In the uplink, the input terminal of the bandreject filtering unit connects the output of the uplink power amplifying unit
The output end at end, the bandreject filtering unit connects the uplink AGC control unit；The output of the uplink AGC control unit
End connects the input terminal of the active power filtering unit, and the output end output uplink of the active power filtering unit emits signal；It is described
In downlink, the input terminal of the bandreject filtering unit connects the output end of the descending power amplifying unit, the band resistance
The output end of filter unit connects the downlink AGC control unit；Have described in the output end connection of the downlink AGC control unit
The output end of the input terminal of source filter unit, the active power filtering unit exports downlink signal.
A kind of signal covering system, including multiple above-mentioned signal cladding systems；Pass through between the signal cladding system
First radio-frequency head is connect with the concatenated mode of the second radio-frequency head.
Above-mentioned signal covers system, passes through the cascade of multiple signal cladding systems, in signal covering, more convenient pair of area
The covering of domain signal, and reduce the difficulty of signal covering.
Detailed description of the invention
Fig. 1 is signal cladding system schematic diagram in an embodiment；
Fig. 2 is signal cladding system schematic diagram in another embodiment；
Fig. 3 is the schematic diagram that signal covers system in an embodiment；
Fig. 4 is the schematic diagram that signal covers system in another embodiment；
Fig. 5 is the schematic diagram that signal covers system in another embodiment.
Specific embodiment
For the effect for further illustrating technological means and acquirement that the utility model is taken, with reference to the accompanying drawing and compared with
Good embodiment carries out clear and complete description to the technical solution of the utility model embodiment.
Fig. 1 is signal cladding system schematic diagram in an embodiment, as shown in Figure 1, the signal cladding system includes
Uplink 100 and downlink 200, in the uplink, the first radio-frequency head 301 receive uplink signal, uplink power amplification
Unit 101 carries out power amplification processing to uplink signal, and by treated, uplink signal is sent to uplink power amplifying unit 101
Uplink AGC control unit 102, gain size of the uplink AGC control unit 102 according to the uplink signal received, output first
The upstream radio-frequency signal of gain ranging carries out radio frequency output to upstream radio-frequency signal by the second radio-frequency head 302.In downlink
In, the second radio-frequency head 302 receives downlink signal, and descending power amplifying unit 201 carries out power amplification processing to downlink signal, under
By treated, downlink signal is sent to downlink AGC control unit 202, downlink AGC control unit to row power amplification unit 201
The gain size for the downlink signal that 202 bases receive, exports the downlink radio-frequency signal of the second gain ranging, there is the first radio-frequency head
301 pairs of downlink radio-frequency signals carry out radio frequency output.
Above-mentioned signal cladding system, including uplink and downlink, uplink lead to the uplink signal received
Adaptive gain amplification is crossed, exports upstream radio-frequency signal, same downlink is by the downlink signal received by adaptively increasing
Benefit amplification, exports downlink radio-frequency signal, in adaptive gain amplifier section, by setting power amplification unit and AGC control unit,
It can be with the radiofrequency signal within the scope of output gain.To in deployment signal cladding system, the utility model embodiment can be
It is disposed under the weaker environment of signal, to reduce the cost of indoor coverage of signal.
In one embodiment, signal cladding system can with in electric system, as electric power information collection system with
The relaying that concentrator communicates wirelessly, therefore, uplink are that the signal in concentrator is transferred to electric power information collection system
Communication link, downlink is the communication link that the signal of electric power information collection system is transferred in concentrator, for concentrate
The signal of device is transferred in signal cladding system, both can be by way of wireless transmission, i.e. the first radio-frequency head includes a hair
Antenna is penetrated, the signal in concentrator is received by transmitting antenna, it can also be by wired mode, by feeder line by the first radio frequency
End connection concentrator, to realize in concentrator that signal carries out radio frequency output from the second radio-frequency head.
It in one embodiment, further include MCU Main Processing Unit, the MCU Main Processing Unit connects the uplink AGC control unit
With downlink AGC control unit；MCU Main Processing Unit is the core of uplink AGC control unit and the control of downlink AGC control unit
Point, MCU Main Processing Unit monitors uplink and downlink in real time.In the uplink, MCU Main Processing Unit receives uplink letter
Number, uplink AGC control unit is controlled according to the signal strength of uplink signal and is correspondingly arranged the gain times magnification for uplink signal
Number, in the downlink, MCU Main Processing Unit receive downlink signal, control downlink AGC control according to the signal strength of downlink signal
Unit is correspondingly arranged the gain amplification factor for downlink signal.
Gain control strategies in the present embodiment, the code that can be controlled by the way that AGC is written in MCU Main Processing Unit, because
This, can be with adaptively selected gain amplification factor, to make the present embodiment when monitoring uplink signal or downlink signal
Signal cladding system is adapted to the environment of multi-signal intensity.
In another embodiment, uplink gain control strategies are different with downlink gain control strategies, pass through respective link
Gain control strategies make the high gain 9-11dB of the ratio of gains upstream radio-frequency signal of downlink radio-frequency signal, thus, downlink radio frequency letter
Number power ratio upstream radio-frequency signal the high 4-6Bm of power, to reduce requirement to signal cladding system mounting technique.
In one embodiment, signal cladding system further includes power supply interface, and power supply interface is by Multiplexing module and conversion module
Composition, the output end of the input terminal connection conversion module of Multiplexing module, the input terminal of conversion module are multiple for connecting power supply
With the input terminal of the output end connection uplink of module or the output end of downlink.
In the present embodiment, power supply interface is mainly used for being powered for signal cladding system, by Multiplexing module, can incite somebody to action
Radiofrequency signal and power supply shared radio frequency cable, so that the signal cladding system of the present embodiment is made to realize feed integrated design, from
And install at the scene and engineering construction on it is very simple and effective.
In another embodiment, conversion module can be friendship-straight conversion module, hand over-directly conversion module can be by alternating current
Signal is converted to DC signal, so that power supply interface can connect power-frequency voltage or other alternating currents.Conversion module can also be with
It is straight-straight conversion module, straight-straight conversion module can convert DC signal to another by way of boosting or being depressured
The DC signal of voltage, such as the signal cladding system need the direct current of 2.8V, then power supply interface can access 5V's
Then DC signal converts the DC signal of 5V to by straight-straight conversion module the DC signal of 2.8V, 5V's is straight
Galvanic electricity can be provided by dry cell, rechargeable battery, charger baby etc..
In the present embodiment, the power supply of diversified forms can connect by power supply interface, provide the field of power-frequency voltage facilitating
Conjunction can be powered by power-frequency voltage, in the occasion of not power-frequency voltage, can be powered by the battery of charger baby, thus convenient
The installation of the present embodiment signal cladding system reduces installation cost.
In one embodiment, uplink power amplifying unit includes uplink low noise amplifier, and descending power amplifying unit includes
Downlink low noise amplifier in the present embodiment, by low noise amplifier, on the one hand may be implemented to uplink signal or downlink signal
Power amplification, on the other hand, the self-excitation problem of signal cladding system are a problems of interference signal cladding system work, are passed through
Low noise amplifier can control low noise amplification to reduce the interference to communication link and guarantee the no-self excitation of product.
Optionally, low noise amplifier can choose the super-low noise amplifier of MGA-634P8 model.
In one embodiment, uplink AGC control unit includes uplink auto level control module and the preposition amplification mould of uplink
Block；Downlink AGC control unit includes: downlink auto level control module and downlink pre-amplifying module；The preposition amplification mould of uplink
Block receives the uplink signal after enhanced processing, and uplink auto level control module passes through upper in acquisition uplink pre-amplifying module
Row signal gain can export upstream radio-frequency signal so that the gain size to uplink signal is handled.Likewise, downlink
Pre-amplifying module receives the downlink signal after enhanced processing, and downlink auto level control module passes through the acquisition preposition amplification of downlink
Downlink signal gain in module can export downlink radio-frequency signal so that the gain size to downlink signal is handled.
In the present embodiment, MCU Main Processing Unit is also connected with uplink auto level control module and downlink auto level control mould
Block.Uplink auto level control module can receive uplink gain control strategies, so that the gain to uplink signal is directed to
Property adjustment, same downlink auto level control module can receive downlink gain control strategies, thus the increasing to downlink signal
Benefit carries out specific aim adjustment.
In one embodiment, signal cladding system further includes multiple active power filtering units and multiple bandreject filtering units,
In uplink, the output end of the input terminal connection uplink power amplifying unit of bandreject filtering unit, the bandreject filtering unit
Output end connect uplink AGC control unit；The output end of uplink AGC control unit connects the input terminal of active filter unit,
The output end output uplink of active power filtering unit emits signal；In the downlink, under the input terminal connection of bandreject filtering unit
The output end of the output end of row power amplification unit, bandreject filtering unit connects downlink AGC control unit；Downlink AGC control is single
The output end of member connects the input terminal of active filter unit, and the output end of active power filtering unit exports downlink signal.
In the present embodiment, it is worth noting that, active power filtering unit and bandreject filtering in uplink and downlink
Unit is realized by different elements, to be filtered to the signal of input.
In one embodiment, signal cladding system further includes two duplexers, two TX of one of them duplexer
Interface is separately connected the input terminal of uplink and the output end of downlink, and ANT interface connects the first radio-frequency head；Another institute
Two TX interfaces for stating duplexer are separately connected the input terminal of downlink and the output end of uplink, ANT interface connection the
Two radio-frequency heads.It is worth noting that the input terminal of uplink be uplink power amplifying unit input terminal, downlink it is defeated
Outlet is the output end of downlink AGC control unit, and the output end of uplink is the output end of uplink AGC control unit, downlink
The input terminal of link is the input terminal of descending power amplifying unit.
Below with a specific embodiment, it is illustrated.
As described in Figure 2, signal cladding system includes uplink and downlink, and uplink and downlink pass through two
A duplexer is attached, and the ANT interface of duplexer is all connected with radio-frequency antenna, and radio-frequency antenna is divided into retransmitting antenna and alms giver day
Line, donor antenna are typically mounted at outdoor, for receiving the wireless signal of electric power information collection system or with wireless signal shape
Formula sends the signal of concentrator outgoing, and retransmitting antenna is typically mounted at interior, for receive concentrator wireless signal or with
The signal of wireless signal form transmission electric power information collection system.As for uplink signal or the adaptive gain of downlink signal,
Mainly by MCU unit as intelligent monitoring unit, for monitoring the gain size of uplink signal or downlink signal, then
By processing result be sent to uplink AGC control unit perhaps downlink AGC control unit with this realize uplink signal or downlink letter
Number gain-adaptive control.Uplink power amplifying unit and descending power amplifying unit are all made of low noise amplifier simultaneously, use
The self-excitation between solving the problems, such as signal.
On solving the problems, such as product self-excitation, installation parameter when also providing a kind of installation of signal cladding system, see Table 1 for details:
Table 1
It as shown in Table 1, can be by reducing feed line length, to avoid product if the signal strength at donor antenna is low
Self-excitation phenomena.
Signal cladding system in the present embodiment, further includes power pack, and the power supply interface of power pack includes DC/RF multiple
With module and DC/DC conversion module, radiofrequency signal and power supply signal shared radio frequency cable is may be implemented in DC/RF Multiplexing module, from
And realize the feed integrated design of signal cladding system.
In one embodiment, the description based on the above signal cladding system embodiment also provides a kind of signal covering system,
As shown in figure 3, it is based on signal cladding system in above-described embodiment that signal covering, which provides, which can be with
Including more signal cladding systems, can be connected by way of the first radio-frequency head and the second radio-frequency head concatenation between signal cladding system
It connects.
The technical solution of the present embodiment can not be able to satisfy the region of signal covering with a signal cladding system, realize
The a wide range of covering of signal.
In one embodiment, two signal cladding systems can also be attached by way of Fig. 4, Fig. 5, to save
Hardware cost.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of signal cladding system characterized by comprising
Uplink, in the uplink, the first radio-frequency head receives uplink signal, and uplink power amplifying unit is to the uplink
Signal carries out power amplification processing, and uplink signal after processing is sent to uplink AGC control list by the uplink power amplifying unit
Member；Uplink AGC control unit is believed according to the upstream radio-frequency that the gain size of the uplink signal received exports the first gain ranging
Number, radio frequency output is carried out to the upstream radio-frequency signal by the second radio-frequency head；
Downlink, in the downlink, the second radio-frequency head receives downlink signal, and descending power amplifying unit is to downlink signal
Power amplification processing is carried out, downlink signal is sent to downlink AGC control unit to the descending power amplifying unit by treated；
Downlink AGC control unit exports the downlink radio frequency in the second gain ranging according to the gain size of the downlink signal received and believes
Number, radio frequency output is carried out to the downlink radio-frequency signal by the first radio-frequency head.
2. signal cladding system according to claim 1, which is characterized in that further include: MCU Main Processing Unit, the MCU master
It controls unit and connects the uplink AGC control unit and downlink AGC control unit；
In the uplink, MCU Main Processing Unit receives uplink signal, and detects the gain size of uplink signal, the MCU master
Control unit controls the uplink AGC control unit and is correspondingly arranged gain amplification factor for uplink signal；
In the downlink, MCU Main Processing Unit receives downlink signal and detects the gain size of downlink signal, the MCU master
Control unit controls the downlink AGC control unit and is correspondingly arranged gain amplification factor for downlink signal.
3. signal cladding system according to claim 1, which is characterized in that further include power supply interface；
The power supply interface includes Multiplexing module and conversion module；
The input terminal of the Multiplexing module connects the output end of the conversion module, and the input terminal of the conversion module is for connecting
Power supply；
The input terminal of the output end connection uplink of the Multiplexing module or the output end of downlink.
4. signal cladding system according to claim 3, which is characterized in that the conversion module includes: friendship-straight modulus of conversion
Block or straight-straight conversion module.
5. signal cladding system according to claim 1, which is characterized in that on the uplink power amplifying unit includes:
Row low noise amplifier；The descending power amplifying unit includes: downlink low noise amplifier.
6. signal cladding system according to claim 2, which is characterized in that the uplink AGC control unit includes: uplink
Auto level control module and uplink pre-amplifying module；The downlink AGC control unit includes: downlink auto level control mould
Block and downlink pre-amplifying module；
The MCU Main Processing Unit is separately connected the uplink auto level control module and the downlink auto level control mould
Block.
7. signal cladding system according to any one of claims 1 to 6, which is characterized in that further include: active power filtering unit
With bandreject filtering unit；
In the uplink, the input terminal of the bandreject filtering unit connects the output end of the uplink power amplifying unit,
The output end of the bandreject filtering unit connects the uplink AGC control unit；The output end of the uplink AGC control unit connects
The input terminal of the active power filtering unit is connect, the output end output uplink of the active power filtering unit emits signal；
In the downlink, the input terminal of the bandreject filtering unit connects the output end of the descending power amplifying unit,
The output end of the bandreject filtering unit connects the downlink AGC control unit；The output end of the downlink AGC control unit connects
The input terminal of the active power filtering unit is connect, the output end of the active power filtering unit exports downlink signal.
8. signal cladding system according to any one of claims 1 to 6, which is characterized in that including two duplexers；
Two TX interfaces of one of them duplexer are separately connected the input terminal of uplink and the output end of downlink,
ANT interface connects the first radio-frequency head；
Two TX interfaces of another duplexer are separately connected the input terminal of downlink and the output end of uplink,
ANT interface connects the second radio-frequency head.
9. a kind of signal covers system, which is characterized in that covered including multiple signals as described in any one of claim 1 to 7
Device；
It is connect by the first radio-frequency head with the concatenated mode of the second radio-frequency head between the signal cladding system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461175.6U CN208210313U (en) | 2018-04-03 | 2018-04-03 | Signal cladding system and signal cover system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461175.6U CN208210313U (en) | 2018-04-03 | 2018-04-03 | Signal cladding system and signal cover system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208210313U true CN208210313U (en) | 2018-12-07 |
Family
ID=64525186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820461175.6U Active CN208210313U (en) | 2018-04-03 | 2018-04-03 | Signal cladding system and signal cover system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208210313U (en) |
-
2018
- 2018-04-03 CN CN201820461175.6U patent/CN208210313U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018103469A1 (en) | Distributed wireless signal coverage system | |
| CN208754293U (en) | A kind of signal amplifier of multiaerial system | |
| CN101304279B (en) | Radio frequency extension apparatus and base station system | |
| CN108847891B (en) | Radio over fiber distributed small base station system | |
| DE102011120827A1 (en) | Communication network | |
| CN104254958A (en) | Energy harvesting system | |
| CN106454560A (en) | Multi-business digital light distribution system and multi-business capacity scheduling method | |
| US20160285552A1 (en) | Remote device of optical relay system | |
| CN209767546U (en) | Distributed antenna system | |
| CN101877166A (en) | Method for monitoring operating state data of solar battery package board | |
| CN208210313U (en) | Signal cladding system and signal cover system | |
| CN113365241B (en) | 5G embedded type remote communication module | |
| CN101908902A (en) | Wireless communication device and power amplification efficiency control module thereof | |
| CN103379612B (en) | The method and system that indoor distribution system by use of antenna feeder is powered | |
| CN206413200U (en) | A kind of room based on REID point monitoring system | |
| CN103078654B (en) | Wireless signal dual-mode antenna system, coupling amplification device and signal processing method | |
| CN112367670A (en) | Coaxial feeder line power supply method based on wireless indoor distribution system and passive indoor coverage system | |
| CN201260163Y (en) | Radio frequency extension apparatus and base station system | |
| CN106788659A (en) | Power distribution automation wireless public network signal enhancing device and distribution terminal equipment | |
| CN108377503A (en) | Signal cladding system, signal covering system and field deploying method | |
| Asiedu et al. | Review of simultaneous wireless information and power transfer in wireless sensor networks | |
| CN201134804Y (en) | Base station signal amplifying system | |
| CN108023634A (en) | A kind of chain type cascades TD-LTE frequency-shift repeater station systems | |
| CN109257099A (en) | LTE double channel optical fiber based on catv network, which zooms out to register one's residence, covers system and method | |
| CN206932220U (en) | A kind of signal enhancing device and signal transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |