CN104581919B - A kind of automatic growth control adjustment system and method equipped with signal strength detection - Google Patents
A kind of automatic growth control adjustment system and method equipped with signal strength detection Download PDFInfo
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- CN104581919B CN104581919B CN201310511939.XA CN201310511939A CN104581919B CN 104581919 B CN104581919 B CN 104581919B CN 201310511939 A CN201310511939 A CN 201310511939A CN 104581919 B CN104581919 B CN 104581919B
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- module
- signal
- growth control
- automatic growth
- receiving module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
Abstract
A kind of automatic growth control adjustment system equipped with signal strength detection more particularly to a kind of automatic growth control adjusting apparatus.Including an antenna, a receiving module, an automatic growth control module；Antenna is of coupled connections with receiving module, and automatic growth control module is equipped with a digital input end, an analog input end and an adjustment signal output part；The signal output part connection analog input end of power detection module, the signal output part connection digital input end of signal processing module；Automatic growth control module includes a controller, comparing unit and storage unit, controller is by the output signal of comparing unit compared with the reference differences value of memory module memory storage, and an adjustment signal is exported to receiving module by adjusting signal output part, adjust the gain of receiving module.The present invention by the comparison of the analog signal intensity and digital signal strength of the receiving module to transceiver obtain whether noisy presence, so as to provide foundation for the Gain tuning of amplifying unit in receiving module.
Description
Technical field
The present invention relates to electronic communication technology field more particularly to a kind of automatic growth control adjustment systems.
Background technology
With 3GPP（3rd Generation Partnership Project, third generation partner program）Hair
The phenomenon that exhibition, different communications regimes coexists, is more and more prominent.Meanwhile with the progress of consumer demand and manufacturing technology,
Mobile terminal（Such as mobile phone, notebook）Design circuit part it is increasingly short and small frivolous, wireless transmission（Including voice-and-data
Transmission）Have become the indispensable function of all kinds of mobile terminals.Interference between various terminals increases significantly, meanwhile, a side
Face is due to SAW filter（surface acoustic wave filter）Omission, the inhibition to out-of-band interference signal
Ability weakens therewith.On the other hand, due to the reinforcement of analog- and digital- integrated design, the partial simulation of radio frequency analog chip is filtered
Ripple device function, which is integrated into digital baseband chip, causes analog portion to weaken out-of-band interference signal rejection ability, and digital filtering
Device is maintained or may increased to Out-of-band rejection ability；Out-of-band interference may saturation simulation part, so as to cause digital section
Divide RSSI（Received Signal Strength Indicator, the instruction of received signal intensity）Decline；Existing AGC
（Automatic Gain Control, automatic growth control）Adjustable strategies are challenged.
The content of the invention
It is an object of the present invention to provide a kind of automatic growth controls equipped with signal strength detection to adjust system, solves
More than technical problem；
The present invention also aims to provide a kind of automatic gain control regulating method equipped with signal strength detection, solve
Certainly more than technical problem；
Following technical scheme may be employed to realize in technical problem solved by the invention：
A kind of automatic growth control adjustment system equipped with signal strength detection, wherein, receive mould including an antenna, one
Block, an automatic growth control module；
The receiving module connection one is used to gather the power detection module of the analog signal intensity of receiving module；The work(
The signal output part connection one of rate detection module is used to obtain the signal processing module of digital signal strength；
The antenna is of coupled connections with the receiving module, the automatic growth control module be equipped with a digital input end,
One analog input end and an adjustment signal output part；The signal output part of the power detection module connects the simulation input
End, the signal output part of the signal processing module connect the digital input end；
The automatic growth control module include a controller, the comparing unit that is connected with the controller and with the control
The storage unit of device connection processed, the comparing unit are used for the digital signal strength that digital input end receives and the simulation is defeated
Enter the analog signal intensity that end receives to be compared；The memory cell contains reference differences value；
The controller by the reference differences value of output signal and the memory cell storage of the comparing unit into
Row compares, and exports an adjustment signal to the receiving module by the adjustment signal output part according to a judgment rule, adjusts
The gain of the whole receiving module.
Preferably, the receiving module includes multiple functional units, intercouples between each functional unit, described
The functional unit place of intercoupling is respectively formed test point；The power detection module includes at least one acquisition analog signal intensity
Test side, at least one test point connects the test side.
Preferably, the functional unit includes amplifying unit, and the adjustment signal output part connects the amplifying unit
Control terminal.
Preferably, the functional unit further includes at least one of mixing unit and filter unit.
Preferably, the signal processing module uses base band signal processing chip.
Preferably, the base band signal processing chip is communicated by SPI interface and the power detection module.
A kind of automatic gain control regulating method equipped with signal strength detection, it is specific as follows：
The first step：Start receiving module, receiving module is made to work in reception state；
Second step：At least one power detection module obtains the analog signal intensity of functional unit in receiving module；
3rd step：Signal processing module isolates digital signal from analog signal and obtains digital signal strength；
4th step：Automatic growth control module obtains analog signal intensity and digital signal strength respectively, and simulation is believed
Number intensity and digital signal strength are compared, and obtain fiducial value, if fiducial value is less than reference differences value, one adjustment of output
Signal to the amplifying unit of receiving module control terminal, for adjusting the gain of amplifying unit.
Advantageous effect：Due to using the technology described above, the present invention is believed by the simulation of the receiving module to transceiver
Number intensity and digital signal strength comparison obtain whether noisy presence, so as to the gain tune for amplifying unit in receiving module
Whole offer foundation.
Description of the drawings
Fig. 1 is a kind of circuit connection diagram of the present invention.
Specific embodiment
The invention will be further described in the following with reference to the drawings and specific embodiments, but not as limiting to the invention.
With reference to Fig. 1, a kind of automatic growth control adjustment system equipped with signal strength detection is received including an antenna 1, one
Module 2, an automatic growth control module 4；The connection of receiving module 2 one is used to gather the work(of the analog signal intensity of receiving module 2
Rate detection module 24；The signal output part connection one of power detection module 24 is used to obtain the signal processing mould of digital signal strength
Block 3；Antenna 1 is of coupled connections with receiving module 2, and automatic growth control module 4 is equipped with a digital input end 41, an analog input end
42 and one adjustment signal output part 43；The signal output part connection analog input end 42 of power detection module 24, signal processing mould
The signal output part connection digital input end 41 of block 3；Automatic growth control module 4 includes a controller, is connected with controller
Comparing unit and the storage unit being connected with controller, comparing unit are used for the digital signal strength for receiving digital input end 41
Compared with the analog signal intensity that analog input end 42 receives；Memory cell contains reference differences value；Controller will
The output signal of comparing unit passes through tune compared with the reference differences value that memory cell is stored up, and according to a judgment rule
Entire signal output terminal 43 exports an adjustment signal to receiving module 2, adjusts the gain of receiving module 2.
Further, receiving module 2 includes multiple functional units, intercouples between each functional unit, functional unit
The place of intercoupling is respectively formed test point；Power detection module 24 includes the test side of at least one acquisition analog signal intensity,
An at least test point connecting detection end.Functional unit includes amplifying unit, and adjustment signal output part 43 connects the control of amplifying unit
End processed.Functional unit further includes at least one of mixing unit and filter unit.Signal processing module 3 uses base band signal process
Chip.Base band signal processing chip passes through SPI（Serial Peripheral Interface, Serial Peripheral Interface (SPI)）Interface with
Power detection module 24 communicates.
A kind of automatic gain control regulating method equipped with signal strength detection, it is specific as follows：
The first step：Start receiving module 2, receiving module 2 is made to work in reception state；
Second step：At least one power detection module 24 obtains the analog signal intensity of functional unit in receiving module 2；
3rd step：Signal processing module 3 isolates digital signal from analog signal and obtains digital signal strength；
4th step：Automatic growth control module 4 obtains analog signal intensity and digital signal strength respectively, and simulation is believed
Number intensity and digital signal strength are compared, and obtain fiducial value, if fiducial value is less than reference differences value, one adjustment of output
Signal to the amplifying unit of receiving module 2 control terminal, for adjusting the gain of amplifying unit.If fiducial value and reference differences
Value difference is larger, is judged as there is strong jamming, if not influencing ongoing business, not output adjustment signal.
The foregoing is merely preferred embodiments of the present invention, not thereby limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent substitution and obviously change obtained scheme, should all include within the scope of the present invention.
Claims (7)
1. a kind of automatic growth control adjustment system equipped with signal strength detection, which is characterized in that received including an antenna, one
Module, an automatic growth control module；
The receiving module connection one is used to gather the power detection module of the analog signal intensity of receiving module；The power inspection
The signal output part connection one of module is surveyed for obtaining the signal processing module of digital signal strength；
The antenna is of coupled connections with the receiving module, and the automatic growth control module is equipped with a digital input end, a mould
Intend input terminal and an adjustment signal output part；The signal output part of the power detection module connects the analog input end, institute
The signal output part for stating signal processing module connects the digital input end；
The automatic growth control module include a controller, the comparing unit that is connected with the controller and with the controller
The storage unit of connection, the comparing unit are used for the digital signal strength that digital input end receives and the analog input end
The analog signal intensity of reception is compared；The memory cell contains reference differences value；
The controller compares the reference differences value that the output signal of the comparing unit is stored up with the memory cell
Compared with, and one adjustment signal is exported to the receiving module by the adjustment signal output part according to a judgment rule, adjust institute
State the gain of receiving module.
2. a kind of automatic growth control adjustment system equipped with signal strength detection according to claim 1, feature exist
In the receiving module includes multiple functional units, intercouples between each functional unit, the functional unit is mutual
Test point is respectively formed at coupling；The power detection module includes the test side of at least one acquisition analog signal intensity, until
A few test point connects the test side.
3. a kind of automatic growth control adjustment system equipped with signal strength detection according to claim 2, feature exist
In the functional unit includes amplifying unit, and the adjustment signal output part connects the control terminal of the amplifying unit.
4. a kind of automatic growth control adjustment system equipped with signal strength detection according to claim 3, feature exist
In the functional unit further includes at least one of mixing unit and filter unit.
5. a kind of automatic growth control adjustment system equipped with signal strength detection according to claim 2, feature exist
In the signal processing module uses base band signal processing chip.
6. a kind of automatic growth control adjustment system equipped with signal strength detection according to claim 5, feature exist
In the base band signal processing chip is communicated by SPI interface and the power detection module.
7. a kind of automatic gain control regulating method equipped with signal strength detection, which is characterized in that applied to claim 1 to
A kind of automatic growth control adjustment system equipped with signal strength detection described in 6 any one, it is specific as follows：
The first step：Start receiving module, receiving module is made to work in reception state；
Second step：At least one power detection module obtains the analog signal intensity of functional unit in receiving module；
3rd step：Signal processing module isolates digital signal from analog signal and obtains digital signal strength；
4th step：Automatic growth control module obtains analog signal intensity and digital signal strength respectively, and strong to analog signal
Degree and digital signal strength are compared, and obtain fiducial value, if fiducial value is less than reference differences value, one adjustment signal of output
To the control terminal of the amplifying unit of receiving module, for adjusting the gain of amplifying unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511939.XA CN104581919B (en) | 2013-10-24 | 2013-10-24 | A kind of automatic growth control adjustment system and method equipped with signal strength detection |
Applications Claiming Priority (1)
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| CN201310511939.XA CN104581919B (en) | 2013-10-24 | 2013-10-24 | A kind of automatic growth control adjustment system and method equipped with signal strength detection |
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| CN104581919A CN104581919A (en) | 2015-04-29 |
| CN104581919B true CN104581919B (en) | 2018-06-01 |
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| CN110535999A (en) * | 2019-07-26 | 2019-12-03 | 安徽浩达电子科技有限公司 | A kind of communication apparatus signal acceptance method and its system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001093437A1 (en) * | 2000-05-30 | 2001-12-06 | Motorola, Inc. | Digitized automatic gain control system and methods for a controlled gain receiver |
| US7433663B1 (en) * | 2005-05-27 | 2008-10-07 | Ralink Technology, Inc. | Automatic gain control system for multiple receiving antennae |
| CN102035578A (en) * | 2009-09-29 | 2011-04-27 | 中兴通讯股份有限公司 | Automatic grain control method and device for diversity receiving |
| CN102355721A (en) * | 2011-06-29 | 2012-02-15 | 中兴通讯股份有限公司 | Hybrid automatic gain control method and device for multimode system |
| CN102820898A (en) * | 2012-07-16 | 2012-12-12 | 深圳市海思半导体有限公司 | Gain regulation method and equipment |
-
2013
- 2013-10-24 CN CN201310511939.XA patent/CN104581919B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001093437A1 (en) * | 2000-05-30 | 2001-12-06 | Motorola, Inc. | Digitized automatic gain control system and methods for a controlled gain receiver |
| US7433663B1 (en) * | 2005-05-27 | 2008-10-07 | Ralink Technology, Inc. | Automatic gain control system for multiple receiving antennae |
| CN102035578A (en) * | 2009-09-29 | 2011-04-27 | 中兴通讯股份有限公司 | Automatic grain control method and device for diversity receiving |
| CN102355721A (en) * | 2011-06-29 | 2012-02-15 | 中兴通讯股份有限公司 | Hybrid automatic gain control method and device for multimode system |
| CN102820898A (en) * | 2012-07-16 | 2012-12-12 | 深圳市海思半导体有限公司 | Gain regulation method and equipment |
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| CN104581919A (en) | 2015-04-29 |
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