CN104135738B - A kind of monitoring device of mobile communication - Google Patents
A kind of monitoring device of mobile communication Download PDFInfo
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- CN104135738B CN104135738B CN201410231643.7A CN201410231643A CN104135738B CN 104135738 B CN104135738 B CN 104135738B CN 201410231643 A CN201410231643 A CN 201410231643A CN 104135738 B CN104135738 B CN 104135738B
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Abstract
It is single to solve existing monitoring device monitoring signal the embodiments of the invention provide a kind of monitoring device of mobile communication, compatibility and flexibility it is poor the problem of.Described device includes：Radio frequency amplifier, wave filter group, frequency mixer, intermediate frequency processor and the analog-digital converter being sequentially connected, aerial signal enter wave filter group after being handled by radio frequency amplifier, and selection wave filter corresponding with communication standard is filtered processing wherein in wave filter group.After the signal after filtering process is carried out into down coversion by frequency mixer, it is transferred to intermediate frequency processor, the treatment channel different according to the different choice of communication standard in intermediate frequency processor, so as to effectively monitor the signal of communication of various different systems, adapt to multi-standard scene, particularly in being related to multi-standard and deposit task of complexity, monitoring device effectively memory can tackle, and have good compatibility and flexibility.
Description
Technical field
The present invention relates to XX technical fields, more particularly to a kind of monitoring device of mobile communication.
Background technology
Along with the fast development of radio communication, civilian wireless communication system enters forth generation GSM.
For different communication systems, according to communication general principle, all multi-communication standards, such as 2G (2- be present
Generation wireless telephone technology, Generation Mobile Telecommunication System technology) GSM (Global
System for Mobile communication, global system for mobile communications), (3rd-Generation, the third generation move 3G
The dynamic communication technology) CDMA2000 (Code Division Multiple Access 2000), W-CDMA (Wideband
Code Division Multiple Access, WCDMA) and TD-SCDMA (Time Division-
Synchronous Code Division Multiple Access, TD SDMA), 4G (the
4Generation mobile communication technology, fourth generation mobile communication technology) TD-LTE (Time
Division Long Term Evolution, time-division Long Term Evolution), FDD-LTE (Frequency Division
Duplexing Long Term Evolution, time division duplex Long Term Evolution) etc. standard, they have their own characteristics each, and have a style of one's own,
Under no demand, different important function is played.
It is also more and more using the user of the mobile communication technologies such as mobile phone with the development of the communication technology, based on some peaces
Congruent factor, the user of mobile communication can be monitored, such as in criminal investigation, Guoan field, some users are monitored,
Fast and effectively can carry out investigations and arrest, can efficiently ensure national economy order the normal and people it is various normal
Law rights and interests.
But due to storing above-mentioned a variety of different communication standards in communication, its Principle of Communication is different, is typically to adopt
The signal of communication under different communication standard is monitored with different equipment.This monitoring device can not efficiently adapt to make more
Formula scene, particularly in being related to multi-standard and deposit task of complexity, audiomonitor effectively memory can not tackle, compatibility
It is very poor with flexibility, it could even be possible to there is situation about can not actually monitor.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is to provide a kind of monitoring device of mobile communication, existing to solve
The problem of monitoring device monitoring signal is single, and compatibility and flexibility are poor.
In order to solve the above problems, the invention discloses a kind of monitoring device of mobile communication, including：What is be sequentially connected penetrates
Audio amplifier, wave filter group, frequency mixer, intermediate frequency processor and analog-digital converter；Wherein, the radio frequency amplifier, is received by connecing
Receipts machine enters the aerial signal of the selected communication standard of port transmission, and the aerial signal is amplified and is amplified signal, by institute
State amplified signal and be transferred to the wave filter group；The wave filter group, connect using wave filter corresponding to the selected communication standard
The amplified signal is received, processing is filtered to the amplified signal and obtains the first filtering signal, and the described first filtering is believed
Number it is transferred to the frequency mixer；The frequency mixer, down-converted is carried out to first filtering signal and obtains frequency variation signal, will
The frequency variation signal is transferred to the intermediate frequency processor；The intermediate frequency processor, handled according to the selected communication standard selection
Passage, IF process is carried out to the frequency variation signal and obtains intermediate-freuqncy signal, and the intermediate-freuqncy signal is transferred to the analog-to-digital conversion
Device；Frequency variation signal corresponding to global system for mobile communications GSM standards is wherein received using the first treatment channel, and using second
Treatment channel receives the frequency variation signal of other communication standards in addition to GSM standards；And when the frequency variation signal is GSM standards,
At least one-level enhanced processing is carried out to the frequency variation signal according to bandwidth information in IF process；The analog-digital converter, to institute
State intermediate-freuqncy signal progress analog-to-digital conversion and obtain data signal.
Optionally, the radio frequency amplifier includes：Optional amplifier and primary scene programmable gate array FPGA are switched, its
Described in the optional amplifier of switch led to by amplification path of the double control switch choosing comprising amplifier or the bypass not comprising amplifier
Road；The primary scene programmable gate array FPGA connection optional amplifier of switch, the primary scene may be programmed gate array
Row FPGA is controlled according to the power information of aerial signal to the switch of the optional amplifier of the double control switch, and selecting switch can
The amplification path of amplifier or bypass path is selected to carry out processing to the aerial signal and be amplified signal.
Optionally, the optional amplifier of switch includes：The optional amplifier of first switch and the optional amplifier of second switch；
Wherein, the optional amplifier of the first switch, primary scene programmable gate array FPGA and the optional amplifier of second switch be successively
Connection；The primary scene programmable gate array FPGA controls the first double control switch to connect according to the power information of the aerial signal
The first amplification path or the first bypass path that the first order switchs optional amplifier are connect, obtains that the first switch is optional to put
The power information for the first signal that big device processing aerial signal obtains, the power information according to first signal control second pair
Control switch connects the optional amplifier second of the second switch and amplifies path or the second bypass path；The second switch is optional to be put
Big device handles first signal and is amplified signal.
Optionally, the wave filter group includes wave filter corresponding at least two communication standards, and more-control switch；The filter
Ripple device group, the more-control switch is controlled according to the selected communication standard, connects wave filter corresponding to the selected communication standard
Path, processing is filtered to the amplified signal using wave filter corresponding to the selected communication standard and obtains the first letter
Number, and first filtering signal is transferred to the frequency mixer.
Optionally, the first treatment channel of the intermediate frequency processor includes：The first bandpass filter for being sequentially connected, the 3rd
Switch optional amplifier, the first adjustable damping, the first amplifier and the second bandpass filter；It is described in the intermediate frequency processor
First bandpass filter is filtered processing to frequency variation signal corresponding to the global system for mobile communications GSM standards and filtered
Frequency variation signal after processing；Bandwidth information according to the frequency variation signal after the filtering process controls the 3rd double control switch choosing
Path is selected, first adjustable damping, first will be passed sequentially through by the signal after the optional amplifier processing of the described 3rd switch
Amplifier and the second bandpass filter are handled, and obtain intermediate-freuqncy signal.
Optionally, the first treatment channel of the intermediate frequency processor also includes：Secondary scene programmable gate array FPGA；Institute
State secondary scene programmable gate array FPGA one end and connect first bandpass filter, other end connection the 3rd switch can
Select amplifier；The optional amplifier of 3rd switch includes the 3rd double control switch, the 3rd amplification path comprising amplifier and not
The 3rd bypass path comprising amplifier；The secondary scene programmable gate array FPGA detects the frequency conversion after the filtering process
The bandwidth information of signal, the 3rd double control switch selection the according to the optional amplifier of bandwidth information control the 3rd switch
Three amplification paths or the 3rd bypass path.
Optionally, the second processing passage of the intermediate frequency processor includes：The 3rd bandpass filter that is sequentially connected, second
Adjustable damping, the second amplifier and the 4th bandpass filter；Intermediate frequency processor receives other communication standards in addition to GSM standards
Frequency variation signal, the frequency variation signal of other communication standards in addition to GSM standards is passed sequentially through into the 3rd bandpass filter, second
Adjustable damping, the second amplifier and the 4th bandpass filter are handled, and obtain intermediate-freuqncy signal.
Optionally, in addition to：Monitor processor；The monitoring processor connects the analog-digital converter, at the monitoring
Reason device receives the data signal that the analog-digital converter is converted to, and the data signal is carried out at each standard protocol-decoding
Reason.
Optionally, described other communication standards in addition to GSM standards include at least one of following：CDMA CDMA
2000th, WCDMA W-CDMA, TD SDMA TD-SCDMA, time-division Long Term Evolution TD-LTE and time division duplex
Long Term Evolution FDD-LTE.
Compared with prior art, the embodiment of the present invention includes advantages below：
Monitoring device is connected successively using radio frequency amplifier, wave filter group, frequency mixer, intermediate frequency processor and analog-digital converter
Connect, aerial signal enters wave filter group after being handled by radio frequency amplifier, and selection is corresponding with communication standard wherein in wave filter group
Wave filter be filtered processing.After the signal after filtering process is carried out into down coversion by frequency mixer, IF process is transferred to
Device, the different treatment channel of different choice in intermediate frequency processor according to communication standard, so as to effectively to it is various not
Signal of communication with standard is monitored, and adapts to multi-standard scene, particularly in being related to multi-standard and deposit task of complexity,
Monitoring device effectively memory can tackle, and have good compatibility and flexibility.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart of the monitoring device embodiment of mobile communication of the present invention；
Fig. 2 is a kind of alternative construction block diagram of the monitoring device embodiment of mobile communication of the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
One of the core concepts of the embodiments of the present invention is, proposes a kind of monitoring device of mobile communication, is put using radio frequency
Big device, wave filter group, frequency mixer, intermediate frequency processor and analog-digital converter are sequentially connected, and selection is with communicating wherein in wave filter group
Wave filter corresponding to standard is filtered processing, and different according to the different choice of communication standard places in intermediate frequency processor
Passage is managed, so as to effectively monitor the signal of communication of various different systems, multi-standard scene is adapted to, particularly exists
Complicated is related to multi-standard and deposits in task, and monitoring device effectively memory can tackle, and have well compatible and clever
Activity.
Embodiment one
Reference picture 1, show a kind of structured flowchart of the monitoring device embodiment of mobile communication of the present invention.
The monitoring device of the mobile communication includes：Radio frequency amplifier 101, wave filter group 102, frequency mixer 103, IF process
Device 104 and analog-digital converter 105.
Wherein, radio frequency amplifier 101, wave filter group 102, frequency mixer 103, intermediate frequency processor 104 and analog-digital converter 105
It is sequentially connected communication.
Radio frequency amplifier 101, the aerial signal for the selected communication standard for entering port transmission by receiver is received, to the antenna
Signal carries out power amplification and is amplified signal, and the amplified signal is transferred into the wave filter group 102.
Wave filter group 102, which includes at least two groups of filter parallel connections, wave filter group 102 as shown in Figure 1, includes filter
Ripple device 1, wave filter 2 ... wave filter n, wherein n are the integer more than 1.Communication standard of the wave filter group 102 according to aerial signal
Corresponding wave filter is selected, the amplified signal is received using wave filter corresponding to the selected communication standard, to the amplification
Signal is filtered processing and obtains the first filtering signal, and first filtering signal is transferred into the frequency mixer 103.
Frequency mixer 103 carries out down-converted to first filtering signal and obtains frequency variation signal, by the frequency variation signal
It is transferred to the intermediate frequency processor 104.
Intermediate frequency processor 104 includes two treatment channels, according to the selected communication standard selection treatment channel, uses
Equipment in the treatment channel of selection carries out IF process to the frequency variation signal and obtains intermediate-freuqncy signal, and the intermediate-freuqncy signal passes
It is defeated by the analog-digital converter 105.
Wherein, frequency variation signal corresponding to GSM standards is received using the first treatment channel 1041, and led to using second processing
Road 1042 receives the frequency variation signal of other communication standards in addition to GSM standards.And when the frequency variation signal is GSM standards, in
Foundation bandwidth information carries out at least one-level enhanced processing to the frequency variation signal of GSM standards during frequency is handled.
105 pairs of analog-digital converter (Analog-to-Digital Converter, the ADC) intermediate-freuqncy signal carries out modulus
It is converted to data signal.
In summary, monitoring device uses radio frequency amplifier, wave filter group, frequency mixer, intermediate frequency processor and analog-to-digital conversion
Device is sequentially connected, and aerial signal enters wave filter group after being handled by radio frequency amplifier, and selection is with communicating wherein in wave filter group
Wave filter corresponding to standard is filtered processing.After the signal after filtering process is carried out into down coversion by frequency mixer, it is transferred to
Intermediate frequency processor, the treatment channel different according to the different choice of communication standard in intermediate frequency processor, so as to effective
The signal of communication of various different systems is monitored, adapts to multi-standard scene, particularly being related to multi-standard and deposit in complexity
In task, monitoring device effectively memory can tackle, and have good compatibility and flexibility.
Embodiment two
Reference picture 2, a kind of alternative construction block diagram of the monitoring device embodiment of mobile communication of the present invention is shown, specifically may be used
With including following module：
Radio frequency amplifier 101, wave filter group 102, frequency mixer 103, intermediate frequency processor 104, analog-digital converter 105 and monitoring
Processor 106.
Wherein, radio frequency amplifier 101 includes switching optional amplifier and primary scene programmable gate array (Field-
Programmable Gate Array, FPGA) 1012, wherein the optional amplifier of switch is included by double control switch choosing and put
The amplification path or the bypass path not comprising amplifier of big device.
Then the first FPGA connections optional amplifier of switch, power informations pair of the first FPGA according to aerial signal
The switch of the optional amplifier of double control switch is controlled, the amplification path or bypass path pair of the optional amplifier of selecting switch
The aerial signal carries out processing and is amplified signal.
In actual treatment, switching optional amplifier includes the optional amplifier 1011 of first switch and the optional amplification of second switch
Device 1013, the then optional amplifier 1011 of first switch, the first FPGA1012 and the optional amplification of second switch in radio frequency amplifier 101
Device 1013 is sequentially connected.
It is optional by controlling the first order to switch positioned at the double control switch of both ends first in the optional amplifier 1011 of first switch
First amplification path 10111 of the selection of path comprising power amplifier or selection do not include power amplifier in amplifier 1011
The first bypass path 10112；In the optional amplifier 1012 of second switch, by positioned at the double control switch of both ends second control the
Second amplification path 10131 of the selection of path comprising power amplifier or selection do not include in the two optional amplifiers 1012 of switch
Second bypass path 10132 of power amplifier.
Wherein, due to needing positioned at the double control switch for switching optional amplifier both ends while connecting same path to realize
The conducting of the path, therefore the double control switch at both ends is not distinguished, skilled artisans appreciate that double control switch
The connection of control access refers to switching the double control switch at optional amplifier both ends.
First FPGA1012 controls the first double control switch connection described first to open according to the power information of the aerial signal
The first amplification bypass path 10112 of path 10111 or first of optional amplifier 1011 is closed, obtains that the first switch is optional to put
The power information for the first signal that big device processing aerial signal obtains, the power information according to first signal control second pair
Control switch connects the optional amplifier 1,012 second of the second switch and amplifies the bypass path 10122. of path 10121 or second
For example, in monitoring device shown in Fig. 2, radio frequency amplifier 101 switchs when carrying out radio frequency enhanced processing in two-stage
Among optional amplifier, there is provided power monitoring point, its monitoring result Real-time Feedback gives the first FPGA1012, the first FPGA1012
According to the watt level of detection, optional amplifier is switched to the two-stage and gated.
Such as when the power magnitude of input signal (aerial signal) is less than -30dBm, gate and put using dual-stage amplifier
Greatly, that is, the first amplification path 10111 of the optional amplifier 1011 of first switch is gated, and gates the optional amplifier of second switch
1012 the second amplification path 10121.When input signal power amplitude is more than -30dBm and is less than -10dBm, the first order is gated
Amplifier, second level amplifier is bypassed, that is, gate the first amplification path 10111 of the optional amplifier 1011 of first switch, and selected
Second bypass path 10122 of the optional amplifier 1012 of logical second switch.When input signal power amplitude is more than -10dBm and small
When 5dBm, dual-stage amplifier is bypassed, that is, gates the first bypass path 10112 of the optional amplifier 1011 of first switch, and is selected
Second bypass path 10122 of the optional amplifier 1012 of logical second switch, make aerial signal is straight-through to enter wave filter group 102.
Wave filter group 102 includes wave filter corresponding at least two communication standards, and the more-control switch positioned at both ends.Its
In, the wave filter in wave filter group 102 can be filtered processing using bandpass filter.
Wave filter group 102 controls the more-control switch according to the selected communication standard, connects the selected communication standard
The path of corresponding wave filter, processing is filtered to the amplified signal using wave filter corresponding to the selected communication standard
The first signal is obtained, and first filtering signal is transferred to the frequency mixer 103.
In the embodiment of the present invention, communication instruction comprises at least：2G GSM standards, 3G CDMA2000 standards, W-CDMA systems
Formula and TD-SCDMA standards, and 4G TD-LTE standards and FDD-LTE standards.
The board of wave filter group 102 can disposably design the filtering process for supporting various standards, such as it is above-mentioned each
Communication standard configures a wave filter, as shown in Figure 2 including GSM standards, CDMA2000 standards, W-CDMA standards and TD-
The wave filter of SCDMA standards, the gating of selected communication standard respective filter can be carried out by more-control switch.
The board of wave filter group 102 can also reserve external options function, to be extended to other communication standards, such as scheme
The wave filter of TD-LTE standards is extended in 2 in dotted box, so as to realize communication standard (such as TD-LTE, FDD-LTE
Deng) extension, flexibility and scalability are preferable.
Frequency mixer 103 carries out down-converted to first filtering signal and obtains frequency variation signal, by the frequency variation signal
It is transferred to the intermediate frequency processor 104.
Wherein, for frequency mixer 103 (Mixer_In in such as Fig. 2) in frequency mixer processing, frequency mixer 104 can ensure wide radio frequency
The frequency-conversion processing of scope, its local oscillator (Lo) in the case of wide-band is covered, local oscillator mutually make an uproar performance want emphasis ensure GSM instruction property
It can require, to ensure the good receiver performance of multi-standard.
Intermediate frequency processor 104 includes the first treatment channel 1041 and second processing passage 1042, wherein the first treatment channel
Frequency variation signal corresponding to 1041 pairs of GSM standards carries out IF process, and second processing passage 1042 is to other are logical in addition to GSM standards
Believe that the frequency variation signal of standard carries out IF process.
First treatment channel 1041 includes：The first bandpass filter the 10411, the 3rd being sequentially connected switchs optional amplifier
10413rd, the first adjustable damping 10414, the first amplifier 10415 and the second bandpass filter 10416.
After the signal of GSM standards is received, the double control switch at intermediate frequency processor both ends can connect the first treatment channel
1041, wherein, the first bandpass filter 10411 is filtered processing to frequency variation signal corresponding to GSM standards and obtains filtering process
Frequency variation signal afterwards；Bandwidth information according to the frequency variation signal after the filtering process controls the 3rd double control switch selection the
The path of the three optional amplifiers 10413 of switch, by the signal after being handled by the described 3rd optional amplifier 10413 of switch successively
Handled by the first adjustable damping 10414, the first amplifier 10415 and the second bandpass filter 10416, obtain intermediate frequency letter
Number.
Specifically, the first treatment channel 1041 also includes：2nd FPGA10412.2nd FPGA10412 one end connection
First bandpass filter 10411, the optional amplifier 10413 of other end connection the 3rd switch.3rd switch can
Select amplifier 10413 include the 3rd double control switch, comprising amplifier the 3rd amplification path and not comprising amplifier the 3rd by
Road path.
The bandwidth information of frequency variation signal after the processing of 2nd FPGA10412 detection filters, is controlled according to the bandwidth information
The amplification path of the 3rd double control switch selection the 3rd or the 3rd bypass path of the optional amplifier 10413 of 3rd switch.
Second processing passage 1042 includes：The 3rd bandpass filter 10421 that is sequentially connected, the second adjustable damping 10422,
Second amplifier 10423 and the 4th bandpass filter 10424.
The frequency variation signal of other communication standards in addition to GSM standards is passed sequentially through into the 3rd bandpass filter, second
Adjustable damping, the second amplifier and the 4th bandpass filter are handled, and obtain intermediate-freuqncy signal.
Intermediate frequency processor 104 receives the frequency variation signal of other communication standards in addition to GSM standards, positioned at intermediate frequency processor
The double control switch connection second processing passage 1042 at 104 both ends, the 3rd bandpass filter is passed sequentially through by the frequency variation signal
10421st, the second adjustable damping 10422, the second amplifier 10423 and the 4th bandpass filter 10424 are handled, and obtain intermediate frequency
Signal.
As shown in Fig. 2 in IF process after frequency conversion, can be respectively processed according to GSM standards and other standards.
GSM standards are due to there is higher dynamic requirements, and practical scene may show high dynamic requirement frequently.Therefore, it is GSM systems in Fig. 2
Formula provides the gating that with a width of the first treatment channel of 200KHz channelizings 1041, can enter row of channels by double control switch.It is and right
In the signal of other standards, such as standards of CDMA 2000, W-CDMA standards, using the second processing passage with a width of 60MHz
1042 carry out intermediate frequency post processing, include conventional filtering, amplification, adjustable damping etc..
Also, in the first treatment channel 1041, it is contemplated that GSM is disturbed and target frequency, its power have potential high-amplitude
Scene, therefore in first treatment channel 1041, power monitoring point is set, power detection value is fed back to second
FPGA10412, therefore when the echo signal power after device after filtering is excessive (such as reach more than -30dBm) second
3rd double control switch of the optional amplifier 10413 of switch of FPGA10412 controls the 3rd, is not included using the connection of the 3rd double control switch
The bypass path of amplifier, ensure link normal work.
After IF process is completed, two IF process passages are gated by the control of double control switch, under different systems
It is linked into analog-digital converter (ADC) 105 and carries out analog-to-digital conversion, convert analog signals into data signal, realizes follow-up number
The data of word processing are continued and handled.
Monitor processor 106 and connect ADC105, monitor processor 106 and receive the data signal that ADC105 is converted to, it is right
The data signal carries out each standard protocol-decoding processing.
Based on above-mentioned discussion, the data processing stream based on Fig. 2 from the angle discussion monitoring device of entirety, aerial signal
(ANT) receiver entrance is entered, after the radio frequency amplifier 101 of the switchable gating of two-stage amplifies, enters switchable choosing
For logical wave filter group 102. after filtering is completed using wave filter corresponding with communication standard, output signal enters frequency mixer
103, frequency mixer 103 carries out down-converted, converted signals, intermediate frequency processor 104 is entered according to different systems.
Wherein, the signal of GSM standards is entered in Fig. 2 in the first treatment channel 1041 for marking 200KHz bandwidth, other
Standard signal can be entered uniformly in Fig. 2 in the second processing passage 1042 for marking 60MHz bandwidth.Signal is at corresponding intermediate frequency
Manage in passage, after completing corresponding amplification, filtering process, analog-digital converter 105 has been entered by switching gate, by signal numeral
Change and be sent into the monitoring processor of rear end, such as the FPGA unit marked in Fig. 2, carry out each standard protocol-decoding processing, obtain
Monitored data.
To sum up, the monitoring device of mobile communication provided in an embodiment of the present invention, the overall framework that receives is succinctly effective, Ke Yiyong
It is repeated in a variety of different communication standard scene job requirements, the equipment for significantly reducing the monitoring device of different communication standard
High present situation, and while properties of product are not reduced, reach good economic benefit.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can use complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can use one or more wherein include computer can
With in the computer-usable storage medium (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention is with reference to method according to embodiments of the present invention, terminal device (system) and computer program
The flow chart and/or block diagram of product describes.It should be understood that can be by computer program instructions implementation process figure and/or block diagram
In each flow and/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions are set to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that is held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced for realizing in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device for the function of specifying.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing terminal equipments
In the computer-readable memory to work in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, the command device is realized in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that
Series of operation steps is performed on computer or other programmable terminal equipments to produce computer implemented processing, so that
The instruction performed on computer or other programmable terminal equipments is provided for realizing in one flow of flow chart or multiple flows
And/or specified in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then other change and modification can be made to these embodiments.So appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of elements are not only wrapped
Those key elements, but also the other element including being not expressly set out are included, or is also included for this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, wanted by what sentence "including a ..." limited
Element, it is not excluded that other identical element in the process including the key element, method, article or terminal device also be present.
Above to a kind of monitoring device of mobile communication provided by the present invention, it is described in detail, it is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands
The method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, having
There will be changes in body embodiment and application, in summary, this specification content should not be construed as to the present invention
Limitation.
Claims (8)
- A kind of 1. monitoring device of mobile communication, it is characterised in that including：Radio frequency amplifier, wave filter group, frequency mixer, intermediate frequency processor and the analog-digital converter being sequentially connected；Wherein, the radio frequency amplifier, the aerial signal for the selected communication standard for entering port transmission by receiver is received, to the day Line signal, which is amplified, is amplified signal, and the amplified signal is transferred into the wave filter group；The radio frequency amplifier bag Include：Optional amplifier and primary scene programmable gate array FPGA are switched, wherein the optional amplifier of switch is opened by dual control Guan Xuan includes the amplification path of amplifier or the bypass path not comprising amplifier；The primary scene programmable gate array FPGA The optional amplifier of switch is connected, the power information of the primary scene programmable gate array FPGA foundation aerial signal is to institute State and switch the switch of optional amplifier and be controlled, the amplification path or bypass path of the optional amplifier of selecting switch are to the day Line signal carries out processing and is amplified signal；The wave filter group, the amplified signal is received using wave filter corresponding to the selected communication standard, to the amplification Signal is filtered processing and obtains the first filtering signal, and first filtering signal is transferred into the frequency mixer；The frequency mixer, down-converted is carried out to first filtering signal and obtains frequency variation signal, the frequency variation signal is passed It is defeated by the intermediate frequency processor；The intermediate frequency processor, according to the selected communication standard selection treatment channel, the frequency variation signal is carried out at intermediate frequency Reason obtains intermediate-freuqncy signal, and the intermediate-freuqncy signal is transferred to the analog-digital converter；Wherein received using the first treatment channel complete Frequency variation signal corresponding to ball GSM GSM standards, and using second processing channel reception in addition to GSM standards other The frequency variation signal of communication standard；And when the frequency variation signal is GSM standards, according to bandwidth information to the change in IF process Frequency signal carries out at least one-level enhanced processing；The analog-digital converter, analog-to-digital conversion is carried out to the intermediate-freuqncy signal and obtains data signal.
- 2. device according to claim 1, it is characterised in that the optional amplifier of switch includes：First switch is optional Amplifier and the optional amplifier of second switch；Wherein, the optional amplifier of the first switch, primary scene programmable gate array FPGA and the optional amplifier of second switch It is sequentially connected；The primary scene programmable gate array FPGA controls the first double control switch to connect according to the power information of the aerial signal The the first amplification path or the first bypass path of the optional amplifier of the first switch are connect, obtains the optional amplification of the first switch The power information for the first signal that device processing aerial signal obtains, the power information according to first signal control the second dual control Switch connects the second amplification path or the second bypass path of the optional amplifier of second switch；The optional amplifier of second switch handles first signal and is amplified signal.
- 3. device according to claim 1, it is characterised in that the wave filter group is corresponding including at least two communication standards Wave filter, and more-control switch；The wave filter group, the more-control switch is controlled according to the selected communication standard, connects the selected communication standard pair The path for the wave filter answered, the amplified signal is filtered using wave filter corresponding to the selected communication standard and handled The frequency mixer is transferred to the first filtering signal, and by first filtering signal.
- 4. device according to claim 1, it is characterised in that the first treatment channel of the intermediate frequency processor includes：The first bandpass filter, the optional amplifier of the 3rd switch, the first adjustable damping, the first amplifier and second being sequentially connected Bandpass filter；In the intermediate frequency processor, first bandpass filter is to change corresponding to the global system for mobile communications GSM standards Frequency signal is filtered processing and obtains the frequency variation signal after filtering process；Bandwidth according to the frequency variation signal after the filtering process The optional amplifier of information control the 3rd switch, it will be led to successively by the signal after the optional amplifier processing of the described 3rd switch Cross first adjustable damping, the first amplifier and the second bandpass filter to be handled, obtain intermediate-freuqncy signal.
- 5. device according to claim 4, it is characterised in that the first treatment channel of the intermediate frequency processor also includes： Secondary scene programmable gate array FPGA；Described secondary scene programmable gate array FPGA one end connects first bandpass filter, other end connection the described 3rd Switch optional amplifier；The optional amplifier of 3rd switch includes the 3rd double control switch, the 3rd amplification path comprising amplifier and not comprising putting 3rd bypass path of big device；The bandwidth information of frequency variation signal after the secondary scene programmable gate array FPGA detection filtering process, according to institute State the amplification path of the 3rd double control switch selection the 3rd or the 3rd bypass of the optional amplifier of bandwidth information control the 3rd switch Path.
- 6. device according to claim 1, it is characterised in that the second processing passage of the intermediate frequency processor includes：The 3rd bandpass filter, the second adjustable damping, the second amplifier and the 4th bandpass filter being sequentially connected；Intermediate frequency processor receives the frequency variation signal of other communication standards in addition to GSM standards, will it is described in addition to GSM standards other The frequency variation signal of communication standard passes sequentially through the 3rd bandpass filter, the second adjustable damping, the second amplifier and the filter of the 4th band logical Ripple device is handled, and obtains intermediate-freuqncy signal.
- 7. device according to claim 1, it is characterised in that also include：Monitor processor；The monitoring processor connects the analog-digital converter, and the monitoring processor receives the analog-digital converter and is converted to Data signal, each standard protocol-decoding is carried out to the data signal and handled.
- 8. device according to claim 1, it is characterised in that described other communication standards in addition to GSM standards include with It is at least one of lower：CDMA CDMA 2000, WCDMA W-CDMA, TD SDMA TD-SCDMA, time-division drill for a long time Enter TD-LTE and time division duplex Long Term Evolution FDD-LTE.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9929768B2 (en) * | 2015-01-26 | 2018-03-27 | Huawei Technologies Co., Ltd. | System and method for TDD-FDD duplexing in a radio architecture |
| CN105024769A (en) * | 2015-06-25 | 2015-11-04 | 大唐移动通信设备有限公司 | Monitoring device |
| CN106788515B (en) * | 2016-12-28 | 2018-12-25 | 中国科学院新疆天文台 | A kind of intermediate-freuqncy signal switching system and method |
| CN206977888U (en) * | 2017-05-10 | 2018-02-06 | 深圳市大疆创新科技有限公司 | Intercept receiver |
| CN107613504B (en) * | 2017-10-23 | 2021-05-18 | 上海创远仪器技术股份有限公司 | Communication network tester and testing method of multi-communication system signals |
| CN109302722A (en) * | 2017-12-12 | 2019-02-01 | 上海创远仪器技术股份有限公司 | A kind of mobile communication base station indoor distribution power testing method |
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