CN106817141A - A kind of signal detecting method, device and equipment - Google Patents
A kind of signal detecting method, device and equipment Download PDFInfo
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- CN106817141A CN106817141A CN201510868967.6A CN201510868967A CN106817141A CN 106817141 A CN106817141 A CN 106817141A CN 201510868967 A CN201510868967 A CN 201510868967A CN 106817141 A CN106817141 A CN 106817141A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
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Abstract
The present invention provides a kind of signal detecting method, device and equipment, is related to communication technical field, is used to ensure the normal work of signal receiver.Signal detecting method of the invention includes：Receive the transmission signal of base station equipment；The transmission signal is processed under different working frequency range, isolates the useful signal and transmitting interference signal in the transmission signal；The useful signal and the transmitting interference signal are transferred to base station antenna feeder system and signal detection port respectively.Present invention is mainly used in the interferer signal detection technology of communication system.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of signal detecting method, device and equipment.
Background technology
To TDD-LTE (Time Division Duplexing-Long Term Evolution, time division duplex
Long Term Evolution) each frequency range row interference upper station troubleshooting procedure in, technical staff find some interference and base station
Equipment or base station antenna feeder system are relevant.For example, being arranged at the upper station of TDD-LTE F frequencies base station uplink interference
During looking into, technical staff has found some interference with DCS (Distributed Control System, distribution
Formula control system) emitter or DCS antenna-feedback systems be related.After closing DCS emitters, TDD LTE
F frequencies base station uplink interference substantially weakens or disappears.
But, in a particular application, using prior art scheme cannot also accurate location interference source, from
And cause that these interference sources have impact on the normal work of signal receiver.
The content of the invention
In view of this, the present invention provides a kind of signal detecting method, device and equipment, ensure that signal connects
The normal work of receipts machine.
In order to solve the above technical problems, the present invention provides a kind of signal detecting method, including：
Receive the transmission signal of base station equipment；
The transmission signal is processed under different working frequency range, in isolating the transmission signal
Useful signal and transmitting interference signal；
The useful signal and the transmitting interference signal are transferred to base station antenna feeder system and signal inspection respectively
Survey port.
Preferably, it is described the transmission signal is processed under different working frequency range, isolate described
Useful signal and transmitting interference signal in transmission signal, including：
Obtain the corresponding useful signal working frequency range of the base station equipment；
Obtain default interference signal working frequency range；
Resonance is carried out to the transmission signal in the useful signal working frequency range and obtains the useful signal,
The interference signal working frequency range carries out resonance to the transmission signal and obtains the transmitting interference signal.
Preferably, methods described also includes：
Receive the reflected signal of the base station antenna feeder system；
Resonance is carried out to the reflected signal in the interference signal working frequency range and obtains reflection interference signal；
By the reflection interference signal transmission to the signal detection port.
Preferably, methods described also includes：The useful signal is filtered.
Preferably, it is described useful when the base station equipment is dcs DCS base station equipments
Signal working frequency range is 1710-1850MHz, and the interference signal working frequency range is 1880-1920MHz；
When the base station equipment is GSM900 base station equipments, the useful signal working frequency range is
890-954MHz, the interference signal working frequency range is 1880-1920MHz.
Second aspect, the present invention provides a kind of signal supervisory instrument, including：
Signal receiving unit, the transmission signal for receiving base station equipment；
Signal separation unit, for being processed the transmission signal under different working frequency range, separates
The useful signal and transmitting interference signal gone out in the transmission signal；
Signal transmission unit, for the useful signal and the transmitting interference signal to be transferred into base station respectively
Antenna-feedback system and signal detection port.
Preferably, the signal separation unit includes：
Acquisition module, for obtaining the corresponding useful signal working frequency range of the base station equipment and obtaining default
Interference signal working frequency range；
Separation module, institute is obtained for carrying out resonance to the transmission signal in the useful signal working frequency range
Useful signal is stated, resonance is carried out to the transmission signal in the interference signal working frequency range obtains the transmitting
Interference signal.
Preferably, the signal receiving unit, is additionally operable to receive the reflected signal of the base station antenna feeder system；
The signal separation unit is additionally operable to, and the reflected signal is carried out in the interference signal working frequency range
Resonance obtains reflection interference signal；
The signal output unit is additionally operable to, by the reflection interference signal transmission to the signal detection port.
Preferably, described device also includes：
Filter unit, for being filtered to the useful signal.
The third aspect, the present invention provides a kind of signal detection apparatus, including：
First resonant element, the transmission signal for receiving base station equipment, to described under the first working frequency range
Transmission signal is processed, and isolates the useful signal in the transmission signal, by useful signal transmission
To base station antenna feeder system；
Second resonant element, the transmission signal for receiving base station equipment, to described under the second working frequency range
Transmission signal is processed, and isolates the interference signal in the transmission signal, by interference signal transmission
To signal detection port.
Preferably, second resonant element, is additionally operable to receive the reflected signal of the base station antenna feeder system,
And the transmission signal is processed under second working frequency range, in isolating the reflected signal
Reflection interference signal, by the reflection interference signal transmission to signal detection port.
Preferably, the equipment also includes：
Filter unit, for being filtered to the useful signal.
Preferably, when the base station equipment is dcs DCS base station equipments, described first
Working frequency range is 1710-1850MHz, and second working frequency range is 1880-1920MHz；
When the base station equipment is GSM900 base station equipments, first working frequency range is
890-954MHz, second working frequency range is 1880-1920MHz.
Above-mentioned technical proposal of the invention has the beneficial effect that：
In embodiments of the present invention, carried out by the transmission signal to base station equipment under different working frequency range
The useful signal and transmitting interference signal for processing and isolating in the transmission signal, then have described respectively
Base station antenna feeder system and signal detection port are transferred to signal and the transmitting interference signal.Can be seen from above
Go out, the transmitting interference signal of base station equipment can be isolated using the scheme of the embodiment of the present invention, so as to avoid
Interference of the interference signal to useful signal, and then ensure that the normal work of signal receiver.
Brief description of the drawings
Fig. 1 is the flow chart of the signal detecting method of the embodiment of the present invention one；
Fig. 2 is the schematic diagram of the signal detection framework of the embodiment of the present invention；
Fig. 3 is the flow chart of the signal detecting method of the embodiment of the present invention two；
Fig. 4 is the flow chart of the signal detecting method of the embodiment of the present invention three；
Fig. 5 and Fig. 6 respectively illustrate the S parameter characteristic and GSM900 second harmonics of GSM900 passages
Detect the S parameter characteristic of port；
Fig. 7 is the schematic diagram of the signal supervisory instrument of the embodiment of the present invention four；
Fig. 8 is the structure chart of the signal supervisory instrument of the embodiment of the present invention four；
Fig. 9 is the schematic diagram of the signal detection apparatus of the embodiment of the present invention five；
Figure 10 is the structure chart of the signal detection apparatus of the embodiment of the present invention five.
Specific embodiment
Below in conjunction with drawings and Examples, specific embodiment of the invention is described in further detail.
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
As shown in figure 1, the signal detecting method of the embodiment of the present invention one, including：
Step 11, the transmission signal for receiving base station equipment.
When base station equipment is started working, the transmission signal of base station equipment is received.
Step 12, under different working frequency range the transmission signal is processed, isolate the hair
The useful signal and transmitting interference signal penetrated in signal.
Due to potentially including polytype signal, such as useful signal, interference signal etc. in transmission signal.
And the working frequency range of different signals is different, therefore according to resonance principle, in the work corresponding to each signal frequently
The signal that resonance treatment may separate out under the working frequency range is carried out under section to it, and blocks other working frequency range
Under signal.
In a particular application, corresponding to the transmission signal of different types of base station equipment working frequency range is different.
Therefore, in embodiments of the present invention, the corresponding useful signal working frequency range of the base station equipment can be obtained.So
Afterwards, the type based on the interference signal for wanting to detect, obtains default interference signal working frequency range.Then,
Resonance is carried out to the transmission signal in the useful signal working frequency range and obtains the useful signal, described
Interference signal working frequency range carries out resonance to the transmission signal and obtains the transmitting interference signal.
If for example, to detect that TDD-LTE F frequencies 1880-1920MHz are sent out DCS base station equipments
Penetrate the interference of signal 1710-1850MHz, then, the useful signal working frequency range is 1710-1850MHz,
The interference signal working frequency range is 1880-1920MHz.So, the transmitting of the base station equipment for receiving
Signal, useful working signal can be obtained under useful signal working frequency range 1710-1850MHz to its resonance,
And block the signal of other working frequency range；To its resonance under interference signal working frequency range 1880-1920MH
Transmitting interference signal can be obtained, and blocks the signal of other working frequency range.
If again for example, to detect that TDD-LTE F frequencies 1880-1920MHz set to GSM900 base stations
The interference of standby transmission signal 890-954MHz, the useful signal working frequency range is 890-954MHz, institute
Interference signal working frequency range is stated for 1880-1920MHz.So, the transmitting of the base station equipment for receiving is believed
Number, useful working signal can be obtained to its resonance under useful signal working frequency range 890-954MHz, and
Block the signal of other working frequency range；It is to its resonance under interference signal working frequency range 1880-1920MH
Transmitting interference signal can be obtained, and blocks the signal of other working frequency range.
Step 13, the useful signal and the transmitting interference signal be transferred to base station antenna feeder system respectively
With signal detection port.
In embodiments of the present invention, carried out by the transmission signal to base station equipment under different working frequency range
The useful signal and transmitting interference signal for processing and isolating in the transmission signal, then have described respectively
Base station antenna feeder system and signal detection port are transferred to signal and the transmitting interference signal.Can be seen from above
Go out, the transmitting interference signal of base station equipment can be isolated using the scheme of the embodiment of the present invention, so as to avoid
Interference of the interference signal to useful signal, and then ensure that the normal work of signal receiver.
With reference to embodiments two and embodiment three describe how to be in different application scenarios respectively
Distinguish useful signal and interference signal.
As shown in Fig. 2 being the schematic diagram of the signal detection in the embodiment of the present invention.In fig. 2, signal inspection
Measurement equipment 11 is connected between the radio frequency of base station equipment 1 mouthful RX/TX and base station antenna feeder system 6.
In embodiment two, carried out as DCS base station equipments, to TDD-LTE F frequencies signals with base station equipment
It is described as a example by Interference Detection.
With reference to Fig. 2, as shown in figure 3, the signal detecting method of the embodiment of the present invention two, including：
Step 31, the transmission signal for receiving DCS base station equipments.
In embodiments of the present invention, it is assumed that useful signal working frequency range is 1710-1850MHz, interference signal
Working frequency range is 1880-1920MHz.
Step 32, under useful signal working frequency range transmission signal is processed, obtain useful signal (figure
Represented with 2 in 2).
Step 33, under interference signal working frequency range transmission signal is processed, obtain DCS spuious dry
Disturb signal (being represented with 3 in Fig. 2).
Step 34, useful signal is transferred to base station antenna feeder system.
In this embodiment, signal power about 40dBm of the useful signal per carrier wave.Herein by useful letter
Number base station antenna feeder system, transmission path such as Fig. 3 are transferred to through the energy low-loss of DCS resonators cavity 9
In it is shown in solid.Wherein the resonance band of DSC resonant cavities is 1710-1850MHz, useful for leading directly to
Signal, blocks the signal of 1880-1920MHz.Because the Insertion Loss in transmitting procedure is small (being less than 0.5dB),
Therefore, the program influences smaller to base station equipment covering power.
In above process, if the intensity of stray signals is excessive, can be transferred to by useful signal
Useful signal is filtered before base station antenna feeder system.
Step 35, DCS stray signals are transferred to signal detection port.
In this embodiment, DCS stray signals are through the low-loss of TD-LTE F frequencies resonant cavity 10 ground
Signal detection port 4 is transferred to, transmission path is as shown in the dotted line in left side in Fig. 3.Wherein, TD-LTE F
The resonance band of frequency resonant cavity is 1880-1920MHz, for leading directly to DCS stray signals, resistance
The signal of disconnected 1710-1850MHz.
It is using the strong of common frequency spectrograph Site Detection DCS stray signals in signal detection port 4
Degree.The intensity of the DCS stray signals should be less than -75dBm under normal circumstances.
Step 36, the reflected signal for receiving DCS base station antenna feeder systems.
Step 37, the reflected signal is processed in interference signal working frequency range, obtain reflection interference
Signal, by the reflection interference signal transmission to the signal detection port.
The reflected signal that DCS base station antenna feeder system intermodulation is reflected through TD-LTE F frequently
The resonance of 1880~1920MHz resonant cavities 10 obtain intermodulation interference signal, therefore the intermodulation interference signal from
DCS base station antenna feeder systems are low-loss to be delivered to signal detection port 8, right side in transmission path such as Fig. 3
Shown in dotted line.
Signal detection port 8 be using common frequency spectrograph Site Detection intermodulation interference signal intensity, just
The intensity of the intermodulation interference signal should be less than -107dBm in the case of often.
In the embodiment of the present invention two, the signal detection apparatus 11 shown in Fig. 2 are connected to DCS base station equipments
Between 1 and DCS antenna-feedback systems 6, including：DCS useful signal passages, DCS clutter interferences detection is logical
Road, DCS antenna-feedback system Intermodulation Interference sense channels.
It is shown in solid that the transmission path of DCS useful signal passages is shown in Fig. 2.The resonant cavity cavity is humorous
Shake in the frequency range of 1710~1850MHz, the transmission signal decay to DCS is very small, thus detection dress
Put the regular traffic for not influenceing base station equipment.But the resonant cavity cavity is to falling in TDD LTE F frequently
The spuious off resonance of (1880~1920MHz), isolation is very big, thus can block TDD LTE F frequency signals.
In the stray signals transmission path figure of DCS base station equipments shown in dotted line.It is humorous corresponding to dotted line in figure
Cavity resonant shake in the frequency range of 1880~1920MHz, to falling in the decay of the clutter interference of TD-LTE F frequencies
It is very small, so the clutter interference energy of the overwhelming majority is exported from clutter interference detection port 4, so as to realize
Quantitative determination.The intensity of normal spurious signal should<- 75dBm, corresponding isolation of system degree requirement is 50dBc
Left and right.If clutter interference is excessive, can be installed additional in signal output port according to actual conditions
1710~1850MHz wave filters, filter the clutter interference in 1880~1920MHz, or rectification antenna every
Evade interference from degree.
The Intermodulation Interference sense channel of DCS base station antenna feeder systems is larger to the attenuation ratio of DCS transmission signals,
It is very small in the signal attenuation of TDD LTE F frequencies to falling.In a particular application, can be outside detection port 8
The TD LTE F wave filters of 70dBc are suppressed to outside tape splicing, so both ensure that tester was not blocked,
In turn ensure that most intermodulation interference signals of base station antenna feeder system are exported from detection port 8, so as to realize
To the accurate detection of intermodulation interference signal.Under normal circumstances, the intensity of intermodulation interference signal should be less than
- 107dBm, corresponding isolation of system degree requirement is 30dBc or so.If the intensity mistake of intermodulation interference signal
Greatly, can select to change the antenna of intermodulation performance ＜ -107dBm or use antennas orthogonal according to actual conditions
The mode for setting up 1 meter of ＞ increases isolation between antennas.
With reference to Fig. 2, in embodiment three, with base station equipment as GSM900 base station equipments, to TDD-LTE
F frequencies signal be described as a example by Interference Detection.
As shown in figure 4, the signal detecting method of the embodiment of the present invention three, including：
Step 41, the transmission signal for receiving GSM900 base station equipments.
In embodiments of the present invention, it is assumed that useful signal working frequency range is 890-954MHz, interference signal work
Make frequency range for 1880-1920MHz.
Step 42, under useful signal working frequency range transmission signal is processed, obtain useful signal (figure
Represented with 2 in 2).
Step 43, under interference signal working frequency range transmission signal is processed, obtain second harmonic and do
Disturb signal (being represented with 3 in Fig. 2).
Step 44, useful signal is transferred to base station antenna feeder system.
In this embodiment, signal power about 43dBm of the useful signal per carrier wave.Herein by useful letter
Base station antenna feeder system number is transferred to through the energy low-loss of second harmonic resonator cavity 9, transmission path is as schemed
It is shown in solid in 3.Wherein the resonance band of second harmonic resonator cavity 9 is 890-954MHz, is used for
Straight-through useful signal, blocks the signal of 1880-1920MHz.Because the Insertion Loss in transmitting procedure is small (small
In 0.5dB), therefore, the program influences smaller to base station equipment covering power.
Step 45, second harmonic interference signal is transferred to signal detection port.
In this embodiment, second harmonic interference signal is passed through the low-loss of TD-LTE F frequencies resonant cavity 9
It is defeated to signal detection port 4, transmission path is as shown in the dotted line in left side in Fig. 3.Wherein, TD-LTE F
The resonance band of frequency resonant cavity is 1880-1920MHz, for leading directly to second harmonic interference signal, blocking
The signal of 890-954.
It is using the strong of common frequency spectrograph Site Detection second harmonic interference signal in signal detection port 4
Degree.The intensity of the second harmonic interference signal should be less than -110dBm under normal circumstances.
In above process, if the intensity of second harmonic interference signal is excessive, can be passed by useful signal
It is defeated to being filtered to useful signal before base station antenna feeder system.
Step 46, the reflected signal for receiving GSM900 base station antenna feeder systems.
Step 47, the reflected signal is processed in interference signal working frequency range, obtain reflection interference
Signal, by the reflection interference signal transmission to the signal detection port.
The reflected signal that GSM900 base station antenna feeder system intermodulation is reflected through TD-LTE F frequently
1880~1920MHz resonant cavities humorous 10 shake and obtain second harmonic interference signal.Second harmonic interference letter
Number it is delivered to signal detection port 8, transmission path such as Fig. 3 from GSM900 base station antenna feeder systems are low-loss
Shown in the dotted line on middle right side.
It is using the strong of common frequency spectrograph Site Detection second harmonic interference signal in signal detection port 8
Degree.The intensity of the intermodulation interference signal should be less than -97dBm under normal circumstances.
As seen from the above, the transmitting that can isolate base station equipment using the scheme of the embodiment of the present invention is disturbed
Signal, so as to avoid the interference to useful signal, and then ensure that the normal work of signal receiver.And
And, the interference signal from base station antenna feeder system is also can detect that using the scheme of the embodiment of the present invention, so that
The normal work of signal receiver is further ensured, also for the intensity of scene positioning and detection interference signal is carried
Facility is supplied.
In actual applications, the interference signal of scenario described below can also be carried out using the scheme of the embodiment of the present invention
Positioning and detection：
(1) interference of the FDD-LTE1850-1875MHz to TD-LTE F frequencies 1880-1900MHz；
(2) interference of the TD-LTE E frequencies 2300-2320MHz to TD-LTE E frequencies 2320-2370MHz；
(3) interference of the TD-LTE E frequencies 2370-2390MHz to TD-LTE E frequencies 2320-2370MHz；
(4) interference of the TD-LTE D frequencies 2555-2575MHz to TD-LTE D frequencies 2575-2635MHz；
(5) interference of the TD-LTE D frequencies 2635-2655MHz to TD-LTE D frequencies 2575-2635MHz；
(6) interference of the TD-LTE E frequencies 2320-2370MHz to TD-LTE E frequencies 2300-2320MHz；
(7) interference of the TD-LTE E frequencies 2320-2370MHz to TD-LTE E frequencies 2370-2390MHz；
(8) interference of the TD-LTE D frequencies 2575-2635MHz to TD-LTE D frequencies 2555-2575MHz；
(9) interference of the TD-LTE D frequencies 2575-2635MHz to TD-LTE D frequencies 2635-2655MH；
(10) interference of the TD-LTE F frequencies 1880-1900MHz to WCDMA1920-1980MHz；
(11) WALN A frequencies 2400-2483.5MHz does to TD-LTE E frequencies 2320-2370MHz
Disturb；
(12) TD-LTE E frequencies 2320-2370MHz does to WALN A frequencies 2400-2483.5MHz
Disturb.
Fig. 5 and Fig. 6 respectively illustrate the S parameter characteristic and GSM900 second harmonics of GSM900 passages
Detect the S parameter characteristic of port.
As shown in figure 5, using the scheme of the embodiment of the present invention to GSM transmission signal (frequencies
890~954MHz) decay it is very small.To GSM after being processed using the scheme of the embodiment of the present invention
Covering influence is very small, does not influence regular traffic, but second harmonic is fallen in the signal of TDD LTE F frequencies
The isolation of (1880~1920MHz of frequency) is very big.Hereby it is ensured that second harmonic interference signal is from detection
Port exports.
As shown in fig. 6, being fallen to second harmonic in TDD LTE F frequencies using the scheme of the embodiment of the present invention
The decay of signal (1880~1920MHz of frequency) is very small, while to GSM transmission signal (frequencies
935~954MHz) decay it is very big.Before the scheme using the embodiment of the present invention, GSM900 is every
The fundamental signal energy of carrier wave is probably 43dBm, and the interfering energy of second harmonic is no more than -110dBm, carries
Dry ratio is 153dBc, and the dynamic range performance of portable frequency spectrum instrument is 50~80dBc in the industry, so cannot examine
Measure the interference signal intensity of second harmonic.But, after the scheme of the embodiment of the present invention, GSM900
Fundamental power is attenuated 140dB, and the interfering energy of second harmonic is only attenuated 0.3dB.So, in inspection
Survey carrier/interface ratio=153- (the 140-0.3)=13.3dBc of port.
Therefore, conventional portable frequency spectrograph not only will not even be burnt out by the high power of GSM emitters obstruction
The low-noise amplifier LNA of frequency spectrograph, moreover it is possible to which accurate detection falls in the interference signal of dynamic range.It is close to
The port of GSM900 frames can detect the jamming power of the second harmonic of GSM emitters output.If
Jamming power is excessive, it may be possible to emitter or frame top wire jumper is aging or duplexer is aging.It is close to
The port of GSM900 base station antenna feeder systems can detect the second-harmonic power that antenna-feedback system is fired back, such as
Fruit jamming power is excessive, it may be possible to which feeder line, joint are problematic, or antenna second harmonic index in itself has
Problem.Therefore, tested more than, can accurate location interference source, and formulate conjunction according to actual conditions
The interference renovation scheme of reason.
As shown in fig. 7, the signal supervisory instrument of the embodiment of the present invention four, including：
Signal receiving unit 51, the transmission signal for receiving base station equipment；Signal separation unit 52, uses
In being processed the transmission signal under different working frequency range, having in the transmission signal is isolated
With signal and transmitting interference signal；Signal transmission unit 53, for respectively by the useful signal and described
Transmitting interference signal is transferred to base station antenna feeder system and signal detection port.
Wherein, the signal separation unit 52 includes：Acquisition module, for obtaining the base station equipment pair
The useful signal working frequency range and the default interference signal working frequency range of acquisition answered；Separation module, for
The useful signal working frequency range carries out resonance to the transmission signal and obtains the useful signal, described dry
Disturbing signal working frequency range carries out the resonance acquisition transmitting interference signal to the transmission signal.
In order to be further ensured that the work of signal receiver, in embodiments of the present invention, the signal receives single
Unit 51, is additionally operable to receive the reflected signal of the base station antenna feeder system；The signal separation unit 52 is also used
In, the interference signal working frequency range reflected signal is carried out resonance obtain reflection interference signal；Institute
State signal output unit 53 to be additionally operable to, by the reflection interference signal transmission to the signal detection port.
The corresponding useful working frequency range of different base station equipments is different.For example, when the base station equipment is distribution
During formula control system DCS base station equipments, the useful signal working frequency range is 1710-1850MHz, described
Interference signal working frequency range is 1880-1920MHz.Again for example, when the base station equipment is GSM900
During base station equipment, the useful signal working frequency range is 890-954MHz, the interference signal working frequency range
It is 1880-1920MHz.
As shown in figure 8, the device of the embodiment of the present invention may also include：Filter unit 54, for described
Useful signal is filtered.
The operation principle of device of the present invention can refer to the description of preceding method embodiment.
As seen from the above, the transmitting that can isolate base station equipment using the scheme of the embodiment of the present invention is disturbed
Signal, so as to avoid the interference to useful signal, and then ensure that the normal work of signal receiver.And
And, the interference signal from base station antenna feeder system is also can detect that using the scheme of the embodiment of the present invention, so that
The normal work of signal receiver is further ensured, also for the intensity of scene positioning and detection interference signal is carried
Facility is supplied.
As shown in figure 9, the embodiment of the present invention five additionally provides a kind of signal detection apparatus, including：
First resonant element 61, the transmission signal for receiving base station equipment is right under the first working frequency range
The transmission signal is processed, and isolates the useful signal in the transmission signal, by the useful signal
It is transferred to base station antenna feeder system；Second resonant element 62, the transmission signal for receiving base station equipment,
The transmission signal is processed under second working frequency range, isolates the interference signal in the transmission signal,
The interference signal is transferred to signal detection port.
Wherein, second resonant element 63, is additionally operable to receive the reflected signal of the base station antenna feeder system,
And the transmission signal is processed under second working frequency range, in isolating the reflected signal
Reflection interference signal, by the reflection interference signal transmission to signal detection port.
As shown in Figure 10, the equipment also includes：Filter unit 63, for being carried out to the useful signal
Filtering.
The corresponding useful working frequency range of different base station equipments is different.For example, when the base station equipment is distribution
During formula control system DCS base station equipments, the useful signal working frequency range is 1710-1850MHz, described
Interference signal working frequency range is 1880-1920MHz.Again for example, when the base station equipment is GSM900
During base station equipment, the useful signal working frequency range is 890-954MHz, the interference signal working frequency range
It is 1880-1920MHz.
As seen from the above, the transmitting that can isolate base station equipment using the scheme of the embodiment of the present invention is disturbed
Signal, so as to avoid the interference to useful signal, and then ensure that the normal work of signal receiver.And
And, the interference signal from base station antenna feeder system is also can detect that using the scheme of the embodiment of the present invention, so that
The normal work of signal receiver is further ensured, also for the intensity of scene positioning and detection interference signal is carried
Facility is supplied.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of signal detecting method, it is characterised in that including：
Receive the transmission signal of base station equipment；
The transmission signal is processed under different working frequency range, in isolating the transmission signal
Useful signal and transmitting interference signal；
The useful signal and the transmitting interference signal are transferred to base station antenna feeder system and signal inspection respectively
Survey port.
2. method according to claim 1, it is characterised in that described under different working frequency range
The transmission signal is processed, the useful signal and transmitting interference signal in the transmission signal is isolated,
Including：
Obtain the corresponding useful signal working frequency range of the base station equipment；
Obtain default interference signal working frequency range；
Resonance is carried out to the transmission signal in the useful signal working frequency range and obtains the useful signal,
The interference signal working frequency range carries out resonance to the transmission signal and obtains the transmitting interference signal.
3. method according to claim 2, it is characterised in that methods described also includes：
Receive the reflected signal of the base station antenna feeder system；
Resonance is carried out to the reflected signal in the interference signal working frequency range and obtains reflection interference signal；
By the reflection interference signal transmission to the signal detection port.
4. the method according to claim 1 or 2 or 3, it is characterised in that methods described also includes：
The useful signal is filtered.
5. according to the method in claim 2 or 3, it is characterised in that
When the base station equipment is dcs DCS base station equipments, the useful signal work
Frequency range is 1710-1850MHz, and the interference signal working frequency range is 1880-1920MHz；
When the base station equipment is GSM900 base station equipments, the useful signal working frequency range is
890-954MHz, the interference signal working frequency range is 1880-1920MHz.
6. a kind of signal supervisory instrument, it is characterised in that including：
Signal receiving unit, the transmission signal for receiving base station equipment；
Signal separation unit, for being processed the transmission signal under different working frequency range, separates
The useful signal and transmitting interference signal gone out in the transmission signal；
Signal transmission unit, for the useful signal and the transmitting interference signal to be transferred into base station respectively
Antenna-feedback system and signal detection port.
7. device according to claim 6, it is characterised in that the signal separation unit includes：
Acquisition module, for obtaining the corresponding useful signal working frequency range of the base station equipment and obtaining default
Interference signal working frequency range；
Separation module, institute is obtained for carrying out resonance to the transmission signal in the useful signal working frequency range
Useful signal is stated, resonance is carried out to the transmission signal in the interference signal working frequency range obtains the transmitting
Interference signal.
8. device according to claim 7, it is characterised in that
The signal receiving unit is additionally operable to, and receives the reflected signal of the base station antenna feeder system；
The signal separation unit is additionally operable to, and the reflected signal is carried out in the interference signal working frequency range
Resonance obtains reflection interference signal；
The signal output unit is additionally operable to, by the reflection interference signal transmission to the signal detection port.
9. the device according to claim 7 or 8, it is characterised in that described device also includes：
Filter unit, for being filtered to the useful signal.
10. a kind of signal detection apparatus, it is characterised in that including：
First resonant element, the transmission signal for receiving base station equipment, to described under the first working frequency range
Transmission signal is processed, and isolates the useful signal in the transmission signal, by useful signal transmission
To base station antenna feeder system；
Second resonant element, the transmission signal for receiving base station equipment, to described under the second working frequency range
Transmission signal is processed, and isolates the interference signal in the transmission signal, by interference signal transmission
To signal detection port.
11. equipment according to claim 10, it is characterised in that second resonant element is also used
In, the reflected signal of the base station antenna feeder system is received, and to the transmitting under second working frequency range
Signal is processed, and isolates the reflection interference signal in the reflected signal, by the reflection interference signal
It is transferred to signal detection port.
12. equipment according to claim 10 or 11, it is characterised in that the equipment also includes：
Filter unit, for being filtered to the useful signal.
13. equipment according to right wants 10 or 11, it is characterised in that
When the base station equipment is dcs DCS base station equipments, first working frequency range
It is 1710-1850MHz, second working frequency range is 1880-1920MHz；
When the base station equipment is GSM900 base station equipments, first working frequency range is
890-954MHz, second working frequency range is 1880-1920MHz.
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| CN201510868967.6A CN106817141B (en) | 2015-11-30 | 2015-11-30 | signal detection method, device and equipment |
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| CN201510868967.6A CN106817141B (en) | 2015-11-30 | 2015-11-30 | signal detection method, device and equipment |
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| CN106817141B CN106817141B (en) | 2019-12-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572487A (en) * | 2021-07-23 | 2021-10-29 | 闻泰通讯股份有限公司 | Radio frequency signal clutter suppression method, base station and terminal |
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|---|---|---|---|---|
| CN101237253A (en) * | 2008-02-29 | 2008-08-06 | 哈尔滨工业大学 | Self-adapted interference separation signal receiving/transmission device based on fraction Fourier conversion |
| CN103856238A (en) * | 2014-03-11 | 2014-06-11 | 宇龙计算机通信科技(深圳)有限公司 | Interference signal suppression circuit and mobile terminal |
| CN205265667U (en) * | 2015-11-30 | 2016-05-25 | 中国移动通信集团广东有限公司 | Signal detection device and equipment |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237253A (en) * | 2008-02-29 | 2008-08-06 | 哈尔滨工业大学 | Self-adapted interference separation signal receiving/transmission device based on fraction Fourier conversion |
| CN103856238A (en) * | 2014-03-11 | 2014-06-11 | 宇龙计算机通信科技(深圳)有限公司 | Interference signal suppression circuit and mobile terminal |
| CN205265667U (en) * | 2015-11-30 | 2016-05-25 | 中国移动通信集团广东有限公司 | Signal detection device and equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113572487A (en) * | 2021-07-23 | 2021-10-29 | 闻泰通讯股份有限公司 | Radio frequency signal clutter suppression method, base station and terminal |
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