CN206547095U - A kind of mobile communications network signal gain regulating system - Google Patents
A kind of mobile communications network signal gain regulating system Download PDFInfo
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- CN206547095U CN206547095U CN201720295899.3U CN201720295899U CN206547095U CN 206547095 U CN206547095 U CN 206547095U CN 201720295899 U CN201720295899 U CN 201720295899U CN 206547095 U CN206547095 U CN 206547095U
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Abstract
The utility model discloses a kind of mobile communications network signal gain regulating system, including controller and the reception antenna, the first wave filter, the first power amplifier, the first numerical-control attenuator, the second wave filter, base station, the 3rd wave filter, the second numerical-control attenuator, the second power amplifier, the 4th wave filter, the transmitting antenna that are sequentially connected, the wherein output end of controller is connected with the first numerical-control attenuator, the second numerical-control attenuator respectively.The mobile communications network signal inputted by reception antenna to base station by being filtered, amplifying and numerical control attenuation processing by the utility model, the mobile communications network signal that base station is exported to transmitting antenna is filtered, decayed and enhanced processing, is conducive to improving the purity of signal of communication and the signal intensity of useful signal；Control the first numerical-control attenuator and the second numerical-control attenuator respectively by controller, be advantageously implemented the regulation and control of the signal intensity of base station input and base station output, so as to improve the gain performance of control of system signal.
Description
Technical field
The utility model belongs to communication technical field, more particularly to a kind of mobile communications network signal gain regulation system
System.
Background technology
Mobile communication signal transmitting antenna output signal size depends on the gain of mobile base station receive-transmit system, but in reality
Can be because a variety of causes causes received signal strength to fluctuate, to the interference of useful signal in mobile communication in the communication process of border
Also compare many, cause terminal device to intercept useful signal well, and existing signal amplification equipment can not be selected voluntarily
Go out the signal frequency of wanted amplification, cause amplification effect poor.Accordingly, it would be desirable to a kind of novel gain regulating system is designed, so as to
Solve the gain control problem of mobile communications network signal.
Utility model content
The purpose of this utility model is to provide a kind of mobile communications network signal gain regulating system.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions：
The utility model is a kind of mobile communications network signal gain regulating system, including controller and connecing of being sequentially connected
Receive antenna, the first wave filter, the first power amplifier, the first numerical-control attenuator, the second wave filter, base station, the 3rd wave filter, the
Two numerical-control attenuators, the second power amplifier, the 4th wave filter, transmitting antenna, the wherein output end of controller are respectively with first
Numerical-control attenuator, the second numerical-control attenuator are connected.
Further, the reception antenna is used to receive mobile communications network signal, then by it successively through the first filtering
Sent after device, the first power amplifier, the first numerical-control attenuator, the second filter process to base station；The base station will be received again
Mobile communications network signal successively through the 3rd wave filter, the second numerical-control attenuator, the second power amplifier, the 4th wave filter at
Sent after reason to transmitting antenna.
Further, the controller is used to control the first numerical-control attenuator and the power of the second numerical-control attenuator to decline respectively
Decrement.
Further, the controller is programmable logic device.
The utility model has the advantages that：
The utility model by the way that the mobile communications network signal inputted by reception antenna to base station is filtered, amplified and
Numerical control attenuation processing, the mobile communications network signal that base station is exported to transmitting antenna is filtered, decayed and enhanced processing, is had
Beneficial to the purity and the signal intensity of useful signal for improving signal of communication；Controlled respectively by controller the first numerical-control attenuator and
Second numerical-control attenuator, is advantageously implemented the regulation and control of the signal intensity of base station input and base station output, so as to improve system
The adjustable gain controllability of signal；System composition is simple, is easy to manipulation and popularization and application.
Certainly, implement any product of the present utility model to it is not absolutely required to while reaching all the above advantage.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, make required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is a kind of composition frame chart of mobile communications network signal gain regulating system of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belongs to the scope of the utility model protection.
Refer to shown in Fig. 1, the utility model is a kind of mobile communications network signal gain regulating system, including controller
With the reception antenna being sequentially connected, the first wave filter, the first power amplifier, the first numerical-control attenuator, the second wave filter, base
Stand, the 3rd wave filter, the second numerical-control attenuator, the second power amplifier, the 4th wave filter, transmitting antenna, wherein controller
Output end is connected with the first numerical-control attenuator, the second numerical-control attenuator respectively.
Wherein, reception antenna is used to receive mobile communications network signal, and it then is filtered into place through the first wave filter
Sent after reason to the first power amplifier and carry out the mobile communications network signal after power amplification processing, enhanced processing again through first
Numerical-control attenuator is sent to the second wave filter after carrying out watt level regulation；Second wave filter is used for the mobile radio communication to receiving
Network signal carries out filtering process again, then sends the mobile communications network signal after processing to base station；Base station is to receiving
Mobile communications network signal is sent to the 3rd filter process；3rd wave filter is filtered to the mobile communications network signal received
The second numerical-control attenuator is sent it to after ripple processing, the mobile communications network signal after then being handled through the second numerical-control attenuator
Send to the second power amplifier and carry out power amplification processing；Mobile communications network signal after the processing of the second power amplifier
Next send to the 4th wave filter and carry out last filtering process, to ensure the purity and power level of its useful signal, finally
The emitted antenna transmitting of mobile communications network signal.
Wherein, controller is used for the power attenuation amount for controlling the first numerical-control attenuator and the second numerical-control attenuator respectively, after
And be easy to carry out controllable adjustment to it.
Wherein, controller is programmable logic device, from fpga chip or single-chip microcomputer.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
With reference to specific features, structure, material or the feature that the embodiment or example are described be contained in it is of the present utility model at least one
In embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or
Example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or examples
In combine in an appropriate manner.
Finally it should be noted that the utility model preferred embodiment disclosed above is only intended to help and illustrates this practicality
It is new.Preferred embodiment does not have all details of detailed descriptionthe, and it is only described specific implementation that the utility model is not limited yet
Mode.Obviously, according to the content of this specification, it can make many modifications and variations.This specification is chosen and specifically describes these
Embodiment, is in order to preferably explain principle of the present utility model and practical application, so that skilled artisan
It can be best understood by and utilize the utility model.The utility model is only limited by claims and its four corner and equivalent
System.
Claims (4)
1. a kind of mobile communications network signal gain regulating system, it is characterised in that：Including controller and the reception being sequentially connected
Antenna, the first wave filter, the first power amplifier, the first numerical-control attenuator, the second wave filter, base station, the 3rd wave filter, second
Numerical-control attenuator, the second power amplifier, the 4th wave filter, transmitting antenna, the wherein output end of controller are counted with first respectively
Attenuator, the second numerical-control attenuator is controlled to be connected.
2. a kind of mobile communications network signal gain regulating system according to claim 1, it is characterised in that：It is described to receive
Antenna is used to receive mobile communications network signal, then by it successively through the first wave filter, the first power amplifier, the first numerical control
Sent after attenuator, the second filter process to base station；The base station is again by the mobile communications network signal received successively through
Sent after three wave filters, the second numerical-control attenuator, the second power amplifier, the 4th filter process to transmitting antenna.
3. a kind of mobile communications network signal gain regulating system according to claim 1, it is characterised in that：The control
Device is used for the power attenuation amount for controlling the first numerical-control attenuator and the second numerical-control attenuator respectively.
4. a kind of mobile communications network signal gain regulating system according to claim 1, it is characterised in that：The control
Device is programmable logic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720295899.3U CN206547095U (en) | 2017-03-24 | 2017-03-24 | A kind of mobile communications network signal gain regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720295899.3U CN206547095U (en) | 2017-03-24 | 2017-03-24 | A kind of mobile communications network signal gain regulating system |
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| Publication Number | Publication Date |
|---|---|
| CN206547095U true CN206547095U (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720295899.3U Active CN206547095U (en) | 2017-03-24 | 2017-03-24 | A kind of mobile communications network signal gain regulating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795269A (en) * | 2019-03-13 | 2019-05-24 | 深圳市元征科技股份有限公司 | A kind of low frequency signal adjusting method and device |
-
2017
- 2017-03-24 CN CN201720295899.3U patent/CN206547095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795269A (en) * | 2019-03-13 | 2019-05-24 | 深圳市元征科技股份有限公司 | A kind of low frequency signal adjusting method and device |
| CN109795269B (en) * | 2019-03-13 | 2021-04-06 | 深圳市元征科技股份有限公司 | Low-frequency signal adjusting method and device |
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