CN106301629A - Broadband multi-band signal detecting method and device and wireless communication system - Google Patents

Broadband multi-band signal detecting method and device and wireless communication system Download PDF

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Publication number
CN106301629A
CN106301629A CN201510326061.1A CN201510326061A CN106301629A CN 106301629 A CN106301629 A CN 106301629A CN 201510326061 A CN201510326061 A CN 201510326061A CN 106301629 A CN106301629 A CN 106301629A
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signal
band
module
sub
supervisory instrument
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冯萍丽
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2016/070070 priority patent/WO2016197601A1/en
Publication of CN106301629A publication Critical patent/CN106301629A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

The invention discloses a kind of broadband multi-band signal supervisory instrument, including the signal sampling module being sequentially electrically connected with, signal shunt module and signal detection module, described signal sampling module, obtain the sampled signal of multiband for the signal of signal sending end is acquired and samples and be delivered to signal shunt module, described signal shunt module, obtain sub-band signals for multiband sampled signal is carried out branch and be delivered to signal detection module, described signal detection module, for detecting respectively sub-band signals.The invention also discloses a kind of broadband multi-band signal detecting method and wireless communication system.Signal processing of the present invention is simple, it is possible to increase the accuracy of detection of multi-band signal, in order to increases the motility that one-segment signal adjusts, the good stability of signal output, is conducive to improving the reliability of communication.

Description

Broadband multi-band signal detecting method and device and wireless communication system
Technical field
The present invention relates to Broadband Detection field, particularly relate to broadband multi-band signal detecting method and dress Put and wireless communication system.
Background technology
In the face of increasingly competitive communications market, broadband multi-frequency output can a system be supported many because of it Frequency band works simultaneously, builds a station number of devices in minimizing, reduces and take up room, and reducing the aspects such as cost has very Big advantage, had become the new direction of communications industry research already.Traditional broadband multi-frequency output is still continued to use One-segment power detecting method, only has, launching output, the coupling channel detection broadband that a bonder is constituted Multifrequency export, as it is shown in figure 1, traditional broadband multi-frequency signal detection system include sender transmitting station 1`, Bonder 2` and signal deteching circuit 3`, the signal before and after detection as shown in Figures 2 and 3, wherein, BW1~BWn represents the bandwidth that multi-band signal, fn~fn` represent BWn.Conventional wide band multi-band signal Detecting system is proper for single band detection application, and broadband multi-band application requires to launch system In wider bandwidth, there is different frequency range, the signal of different systems power, in system simultaneously between each frequency band again There is numerous intermodulation component, output bandwidth is wider, spectrum complex, uses single power detection, feedback link Road signal demand uses high sampling rate ADC, and intractability is relatively big, and power detection precision is relatively low, output Power stability is difficult to ensure that.
Summary of the invention
Present invention is primarily targeted at and solve when broadband multi-frequency segment signal exports simultaneously, multi-band signal The technical problem that accuracy of detection is low.
For achieving the above object, the present invention provides a kind of broadband multi-band signal supervisory instrument, including signal Sampling module and signal detection module, described broadband multi-band signal supervisory instrument also includes signal branch mould Block, described signal sampling module, signal shunt module and signal detection module are sequentially electrically connected with;
Described signal sampling module, obtains multifrequency for the signal of signal sending end is acquired and is sampled The sampled signal of section is also delivered to signal shunt module, and described signal shunt module, for taking multiband Sample signal carries out branch and obtains sub-band signals and be delivered to signal detection module, described signal detection module, For sub-band signals is detected respectively.
Preferably, described broadband multi-band signal supervisory instrument also includes the filter being connected with signal shunt module Mode block, described filtration module includes the filter unit of respective frequency sub-bands output branch road quantity, described filtering Unit obtains the filtering signal of one-segment for being filtered processing to every way frequency band signals and is delivered to letter Number detection module.
Preferably, described filtration module is the combination of band filter or band filter.
Preferably, described signal shunt module is activated distributor or passive power splitter.
Preferably, described signal sampling module is radio frequency directional coupler.
Preferably, described sub-band signals be a continuously/discontinuous narrow band signal, multiple continuously/do not connect Continuous narrow band signal or some independent frequency signals.
For achieving the above object, the present invention also provides for a kind of broadband multi-band signal detecting method, including step Rapid:
Gather and the signal of sampled signal transmitting terminal obtains multiband sampled signal;
Multiband sampled signal is carried out branch and obtains sub-band signals;
Sub-band signals is detected.
Preferably, described multiband sampled signal is carried out the step that branch obtains sub-band signals after, And further comprise the steps of: one-segment signal is entered before being positioned at the described step that sub-band signals is detected Row independent detection.
For achieving the above object, present invention also offers a kind of wireless communication system, launch eventually including signal End and signal supervisory instrument, described signal launch terminal and signal supervisory instrument wireless connections, described signal Detection device is broadband multi-band signal supervisory instrument, and described broadband multi-band signal supervisory instrument includes letter Number sampling module and signal detection module, described broadband multi-band signal supervisory instrument also includes signal branch Module, described signal sampling module, signal shunt module and signal detection module are sequentially electrically connected with;
Described signal sampling module, obtains multifrequency for the signal of signal sending end is acquired and is sampled The sampled signal of section is also delivered to signal shunt module, and described signal shunt module, for taking multiband Sample signal carries out branch and obtains sub-band signals and be delivered to signal detection module, described signal detection module, For sub-band signals is detected respectively.
Preferably, described wireless communication system also includes sig-nal-conditioning unit and reception signal terminal, described The input of sig-nal-conditioning unit is electrically connected with Broadband Detection device, described sig-nal-conditioning unit Outfan and reception signal terminal wireless connections.
The broadband multi-band signal supervisory instrument that the present invention provides, mainly uses at signal sampling module and letter Setting up signal shunt module between number detection module, this signal shunt module samples through signal sampling module The multiband sampled signal obtained carries out branch and obtains sub-band signals, and can by signal detection module Sub-band signals is detected respectively, it is possible to increase the accuracy of detection of multiband power, further, Sub-band signals after branch is filtered processing the filtering signal obtaining one-segment by filtration module, It is capable of when broadband multi-band exports simultaneously detecting one-segment signal, adds the filtering letter of one-segment Number motility adjusted, signal processing is simply effective, thus ensures the stability that signal export, improves and leads to The reliability of letter.
Accompanying drawing explanation
Fig. 1 is the block diagram of Conventional wide band multi-band signal detecting system;
Fig. 2 is the multi-band signal schematic diagram in Fig. 1 in the front transmitting chain of bonder sampling;
Fig. 3 is the multi-band signal schematic diagram detected after sampling in Fig. 1;
Fig. 4 is the block diagram of broadband multi-band signal supervisory instrument first embodiment of the present invention;
Fig. 5 is the block diagram of broadband multi-band signal supervisory instrument the second embodiment of the present invention;
Fig. 6 is the multi-band signal schematic diagram after the filtering detection in Fig. 5;
Fig. 7 is the schematic flow sheet of broadband multi-band signal detecting method first embodiment of the present invention;
Fig. 8 is the schematic flow sheet of broadband multi-band signal detecting method the second embodiment of the present invention;
Fig. 9 is the block diagram of wireless communication system first embodiment of the present invention;
Figure 10 is the block diagram of wireless communication system the second embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further Explanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit Determine the present invention.
The invention provides a kind of broadband multi-band signal supervisory instrument, refering to Fig. 4, this broadband multi-band is believed Number detection device includes signal sampling module 21 and signal detection module 24, and described broadband multi-frequency segment signal is examined Survey device and also include signal shunt module 22, described signal sampling module 21, signal shunt module 22 and Signal detection module 24 is sequentially electrically connected with.
Described signal sampling module 21, for the signal of signal sending end is acquired and samples obtain many The sampled signal of frequency range is also delivered to signal shunt module 22;Described signal shunt module 22, for many Frequency range sampled signal carries out branch and obtains sub-band signals and be delivered to signal detection module 24;Described signal Detection module 24, for detecting respectively sub-band signals.The implementation of above-mentioned signal detection Can be power detection, it is also possible to for electric current or the voltage data of power conversion.
Broadband multi-band signal supervisory instrument of the present invention uses signal sampling module 21 many to signal sending end Frequency band signals is sampled, and through signal shunt module 22, sampled signal is divided into multichannel sub-band signals, and And by signal detection module 24, sub-band signals is detected respectively, it is possible to increase multi-band signal is examined The precision surveyed, increases the motility that signal adjusts.
Refering to Fig. 5, in a specific embodiment, described broadband multi-band signal supervisory instrument also include with The filtration module 23 that signal shunt module 22 connects, described filtration module 23 includes that respective frequency sub-bands exports The filter unit (not shown) of branch road quantity, described filter unit is for filtering each way frequency band signals Ripple processes and obtains the filtering signal of one-segment and be delivered to signal detection module 24.This filter unit is preset with Specific bandwidth, it is possible to sub-band signals is filtrated to get one-segment signal, to realize the signal to one-segment Detection, it is possible to improve the accuracy of detection of multi-band signal further, and increase one-segment filtering signal tune Whole motility, signal processing is the most effective, it is possible to ensure the stability of signal output.
In a specific embodiment, described signal shunt module 22 can be activated distributor or passive merit is divided Device.Preferably scheme is for selecting activated distributor, and gain is good, and isolation is high;Passive merit can also be selected Divide device, working stability, simple in construction.Concrete, described filtration module 23 is band filter or band The combination of bandpass filter.This band filter or assemblage zone bandpass filter, be used for filtering except special frequency channel Outer all frequency ranges or frequency, make every way frequency band signals obtain the filtering of one-segment after processing after filtering Signal.Concrete, described signal sampling module 21 is radio frequency directional coupler.Radio frequency directional coupler is The embodiment of optimum bonder, other bonder that can realize sampled functions is also alternative.
In a specific embodiment, described sub-band signals be a continuously/discontinuous narrow band signal, Multiple continuously/discontinuous narrow band signal or some independent frequency signals.Sub-band signals is single When connection/discontinuous narrow band signal or frequency signal, the filter action of filtration module 23 is the most inconspicuous, When sub-band signals comprise multiple continuously/discontinuous narrow band signal or during multiple frequency signal, filter mould Block 23 is by all frequency ranges filtered in addition to special frequency channel or Frequency point.
Refering to Fig. 6, sub-band signals obtains one-segment signal by the Filtering Processing of filtration module 23, should Filtration module 23 includes n filter unit, and n road shunting sign is filtered by this n filter unit respectively Ripple process obtain the filtering signal of n one-segment and be respectively the bandwidth range of BW1~BWn, BW1 be The bandwidth range of f1~f1`, BWn is fn~fn`, leaches one-segment signal, it is simple to signal detection and signal are adjusted Whole.
Present invention also offers a kind of broadband multi-band signal detecting method, refering to Fig. 7, this broadband multi-band Signal detecting method includes step:
The signal of S10, collection sampled signal transmitting terminal obtains multiband sampled signal, specifically, utilizes Signal sampling module 21 is acquired to the signal of signal sending end and samples the sampled signal obtaining multiband And it is delivered to signal shunt module 22.
S20, multiband sampled signal is carried out branch obtain sub-band signals, specifically, utilize signal to divide Road module 22 carries out branch to multiband sampled signal and obtains sub-band signals and be delivered to signal detection module 24。
S30, sub-band signals is detected, specifically, utilize described signal detection module 24 antithetical phrase Frequency band signals carries out detecting with multi-band signal accuracy of detection respectively.
Broadband multi-band signal detecting method of the present invention, uses first to enter the multi-band signal of signal sending end Row sampling, is then divided into multichannel sub-band signals by sampled signal, right finally by signal detection module 24 Sub-band signals detects respectively, it is possible to increase the precision of multiband detection, increases the spirit that signal adjusts Activity.
Refering to Fig. 8, in a specific embodiment, after described step S20 and before being positioned at step S30 Also include step S21: sub-band signals is filtered process and obtains one-segment signal;Described step S30 Particularly as follows: one-segment signal is carried out independent detection.One-segment signal is obtained through this filter step, can To realize the signal detection to one-segment, it is possible to improve the accuracy of detection of multi-band signal further, and Increase the motility that one-segment signal adjusts.
Present invention also offers a kind of wireless communication system, refering to Fig. 9, this wireless communication system includes signal Launch terminal 1 and signal supervisory instrument, described signal launch terminal 1 and signal supervisory instrument wireless connections, Described signal supervisory instrument is broadband multi-band signal supervisory instrument 2, and described broadband multi-band signal detection fills Put the 2 signal sampling modules 21 including sequentially being electrically connected with, signal shunt module 22 and signal detection module 24;Described signal sampling module 21, for the signal of signal sending end is acquired and samples obtain many The sampled signal of frequency range is also delivered to signal shunt module 22, described signal shunt module 22, for many Frequency range sampled signal carries out branch and obtains sub-band signals and be delivered to signal detection module 24, described signal Detection module 24, detected for other divide sub-band signals.
Wireless communication system of the present invention, by using above-mentioned broadband multi-band signal supervisory instrument 2, this Bright wireless communication system uses the signal bandwidth detected by broadband multi-band signal supervisory instrument than existing skill The broadband simultaneously detecting signal in art is narrow, it is only necessary to the ADC of low sampling rate, and signal processing is simpler, Accuracy of detection is higher, and power adjusts more flexible, is conducive to improving the reliability of whole communication system.
In a specific embodiment, described broadband multi-band signal supervisory instrument 2 also includes filtration module 23, described filtration module 23 includes the filter unit that respective frequency sub-bands output branch road quantity is arranged, described filter Ripple unit obtains the filtering signal of one-segment defeated for each way frequency band signals carries out bandpass filtering treatment Deliver to signal detection module 24.This filtration module 23 is preset with specific bandwidth by the sub-band signals of one-segment It is filtrated to get one-segment signal, to realize the independent detection to one-segment signal, it is possible to improve many further The accuracy of detection of frequency band signals, and the motility that the filtering signal increasing one-segment adjusts, signal processing Simple effective, thus ensure the stability that signal exports.
Refering to Figure 10, in a specific embodiment, described wireless communication system also includes that signal adjusts dress Put 3 and reception signal terminal 4, the input of described sig-nal-conditioning unit 3 and broadband multi-band signal detection Device 2 is electrically connected with, the outfan of described sig-nal-conditioning unit 3 and reception signal terminal 4 wireless connections. Signal accuracy can be conveniently adjusted, it is ensured that the reliability of communication by sig-nal-conditioning unit 3.Signal adjusts Device 3 has only to the single frequency band signals of individual processing, and signal processing is simple, and adds what signal adjusted Motility.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every Utilize equivalent structure or equivalence flow process conversion that description of the invention and accompanying drawing content made, or directly or Connect and be used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.

Claims (10)

1. a broadband multi-band signal supervisory instrument, including signal sampling module and signal detection module, It is characterized in that, described broadband multi-band signal supervisory instrument also includes signal shunt module, described signal Sampling module, signal shunt module and signal detection module are sequentially electrically connected with;
Described signal sampling module, obtains multifrequency for the signal of signal sending end is acquired and is sampled The sampled signal of section is also delivered to signal shunt module, and described signal shunt module, for taking multiband Sample signal carries out branch and obtains sub-band signals and be delivered to signal detection module, described signal detection module, For sub-band signals is detected respectively.
2. broadband multi-band signal supervisory instrument as claimed in claim 1, it is characterised in that described width The filtration module being connected with signal shunt module, described filtering mould is also included with multi-band signal detection device Block includes the filter unit of respective frequency sub-bands output branch road quantity, and described filter unit is for every way frequency Segment signal is filtered processing and obtains the filtering signal of one-segment and be delivered to signal detection module.
3. broadband multi-band signal supervisory instrument as claimed in claim 2, it is characterised in that described filter Mode block is the combination of band filter or band filter.
4. broadband multi-band signal supervisory instrument as claimed in claim 2, it is characterised in that described letter Number shunt module is activated distributor or passive power splitter.
5. broadband multi-band signal supervisory instrument as claimed in claim 2, it is characterised in that described letter Number sampling module is radio frequency directional coupler.
6. the broadband multi-band signal supervisory instrument as described in any one of claim 1-5, it is characterised in that Described sub-band signals be a continuously/discontinuous narrow band signal, multiple continuously/discontinuous narrow band signal Or some independent frequency signals.
7. a broadband multi-band signal detecting method, it is characterised in that include step:
Gather and the signal of sampled signal transmitting terminal obtains multiband sampled signal;
Multiband sampled signal is carried out branch and obtains sub-band signals;
Sub-band signals is detected.
8. broadband multi-band signal detecting method as claimed in claim 7, it is characterised in that described right After multiband sampled signal carries out the step that branch obtains sub-band signals, and it is positioned at described to frequency sub-band Signal also includes before carrying out the step detected: sub-band signals is filtered process and obtains one-segment letter Number step;The described step detecting sub-band signals is particularly as follows: carry out solely one-segment signal Vertical detection.
9. a wireless communication system, including signal launch terminal and signal supervisory instrument, described signal is sent out Penetrate terminal and signal supervisory instrument wireless connections, it is characterised in that described signal supervisory instrument is that right is wanted Seek the broadband multi-band signal supervisory instrument described in any one of 1-6.
10. wireless communication system as claimed in claim 9, it is characterised in that described radio communication system System also includes sig-nal-conditioning unit and reception signal terminal, the input of described sig-nal-conditioning unit and broadband Signal supervisory instrument is electrically connected with, the outfan of described sig-nal-conditioning unit and the wireless company of reception signal terminal Connect.
CN201510326061.1A 2015-06-12 2015-06-12 Broadband multi-band signal detecting method and device and wireless communication system Withdrawn CN106301629A (en)

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PCT/CN2016/070070 WO2016197601A1 (en) 2015-06-12 2016-01-04 Method and device for detecting wideband multi-frequency band signal and wireless communication system

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