CN104254089B - A kind of Clogging indicator method of testing, apparatus and system - Google Patents
A kind of Clogging indicator method of testing, apparatus and system Download PDFInfo
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- CN104254089B CN104254089B CN201310256311.XA CN201310256311A CN104254089B CN 104254089 B CN104254089 B CN 104254089B CN 201310256311 A CN201310256311 A CN 201310256311A CN 104254089 B CN104254089 B CN 104254089B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Abstract
The invention discloses a kind of Clogging indicator method of testing, apparatus and system, including:Equipment under test is determined in the case where interference signal antenna does not launch barrage jamming signal, the sensitivity of the useful signal of useful signal antenna transmitting is received, as noiseless sensitivity;And determine that equipment under test in the case of each barrage jamming signal that interference signal antenna transmission signal intensity gradually strengthens, receives each sensitivity of the useful signal of useful signal antenna transmitting successively, as respectively there is interference sensitivity;And when there is interference sensitivity compared to noiseless sensitivity decrease to the default threshold of sensitivity, determine the signal intensity for the barrage jamming signal that interference signal antenna is currently launched, the Clogging indicator value as equipment under test.Using scheme provided in an embodiment of the present invention, the accuracy that Clogging indicator is tested is improved.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of Clogging indicator method of testing, apparatus and system.
Background technology
At present, in wireless communication technology field, in order to more fully be detected to the performance of communication equipment, so as to more
Good uses communication equipment, it usually needs the Clogging indicator of communication equipment is tested, the Clogging indicator of a communication equipment
The interference free performance of the communication equipment can be reacted, i.e., in the case where interference signal be present, to the receiving ability of useful signal.
Clogging indicator test is carried out to communication equipment in the prior art, is the method using wired conduction test, its networking
Schematic diagram is as shown in figure 1, be wire wired connection between wherein each part, its testing process is as follows:
First, useful signal generating means are needed to generate useful signal according to test, and the useful signal is passed through into decay
After processing unit carries out attenuation processing, input signal synthesis unit, now interference signal generating means it is dry not start generation obstruction
Signal is disturbed, then the input of signal synthesis unit is useful signal, and useful signal is inputted equipment under test by signal synthesis unit
(DUT, Device Under Test), after equipment under test receives the useful signal, determine that equipment under test receives the useful letter
Number receiving sensitivity;
Then, useful signal generating means continue to generate and export the identical useful signal, and interference signal generation dress
Put needs to generate barrage jamming signal according to test, and be successively filtered by filter processing unit and attenuation processing unit and
After attenuation processing, input signal synthesis unit, now the input signal of signal synthesis unit includes useful signal and obstruction disturbs
Signal, after useful signal and barrage jamming signal are carried out into synthesis processing, obtained composite signal is inputted into equipment under test,
After equipment under test receives the composite signal, determine equipment under test receive the useful signal in the composite signal reception it is sensitive
Degree;
Also, the signal intensity of the barrage jamming signal of interference signal generating means output gradually strengthens, i.e. output signal
Each barrage jamming signal that intensity gradually strengthens, and every time output one intensity barrage jamming signal, that is, determine one it is right
The equipment under test answered receives the receiving sensitivity of the useful signal in composite signal, and compares when the receiving sensitivity and do not hindering
Equipment under test receives the receiving sensitivity of the useful signal in the case of plug interference signal, when being reduced to a predetermined threshold value, obtains
Take the signal intensity for the barrage jamming signal that interference signal generating means currently export, the Clogging indicator as the equipment under test
Value.
Using above-mentioned Clogging indicator method of testing of the prior art, due to being the method using wired conduction test, i.e.,
Useful signal and sending and receiving for barrage jamming signal are received in actual applications by wired mode, rather than equipment under test
Wireless mode during signal, thus the practical application scene of equipment under test is simulated it is not accurate enough, for example, in practical application
When being transmitted wirelessly and being received, the radiation efficiency of antenna and gain are different at different frequencies, and practical application
The characteristic impedance of the antenna of middle equipment under test can not be matched preferably completely with the characteristic impedance of radio-frequency receiving-transmitting path, and
Radiation characteristic of the antenna of equipment under test in three dimensions under different angle is different, and uses wired biography in the prior art
The method for leading test, to these characteristics of above-mentioned equipment under test in actual applications can not accurate simulation, so as to cause
The Clogging indicator value arrived is not accurate enough.
The content of the invention
The embodiment of the present invention provides a kind of Clogging indicator method of testing, apparatus and system, to solve to deposit in the prior art
Progress Clogging indicator test accuracy it is relatively low the problem of.
The embodiment of the present invention provides a kind of Clogging indicator method of testing, including:
Equipment under test is determined in the case where interference signal antenna does not launch barrage jamming signal, receives useful signal antenna
The sensitivity of the useful signal of transmitting, as noiseless sensitivity;
Determine that the equipment under test is done in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively
In the case of disturbing signal, each sensitivity of the useful signal of useful signal antenna transmitting is received, as respectively there is interference
Sensitivity;
When it is described have interference sensitivity compared to the noiseless sensitivity decrease to preset the threshold of sensitivity when, it is determined that described
The signal intensity for the barrage jamming signal that interference signal antenna is currently launched, the Clogging indicator value as the equipment under test.
The embodiment of the present invention also provides a kind of Clogging indicator test device, including:
Noiseless determining unit, the situation of barrage jamming signal is not launched for determining equipment under test in interference signal antenna
Under, the sensitivity of the useful signal of useful signal antenna transmitting is received, as noiseless sensitivity;
There is interference determining unit, for determining the equipment under test in the interference signal antenna transmission signal intensity successively
In the case of each barrage jamming signal gradually strengthened, each spirit of the useful signal of the useful signal antenna transmitting is received
Sensitivity, as respectively there is interference sensitivity;
Clogging indicator determining unit, for have interference sensitivity compared to the noiseless sensitivity decrease to presetting when described
During the threshold of sensitivity, the signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, as the quilt
The Clogging indicator value of measurement equipment.
The embodiment of the present invention also provides a kind of test equipment, including:
Above-mentioned Clogging indicator test device.
The embodiment of the present invention also provides a kind of Clogging indicator test system, including:Above-mentioned test equipment, including it is described useful
The useful signal generating means of signal antenna, include the interference signal generating means of the interference signal antenna, wherein:
The useful signal generating means, for generating and launching useful signal by the useful signal antenna;
The interference signal generating means, for generating and launching barrage jamming signal by the interference signal antenna;
The test equipment, for controlling the useful signal generating means transmitting useful signal, and control described dry
Disturb signal generating apparatus transmitting barrage jamming signal.
Beneficial effect of the present invention includes:
In method provided in an embodiment of the present invention, useful signal is launched by useful signal antenna, barrage jamming signal
Launched by interference signal antenna, so equipment under test is wirelessly to receive useful signal and barrage jamming signal,
Therefore, the middle test that Clogging indicator is carried out using wired conduction pattern compared with prior art, more accurately simulates equipment under test
Situation in actual applications, so as to improve the accuracy of Clogging indicator test.
Other features and advantage will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the application.The purpose of the application and other advantages can be by the explanations write
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, implements with the present invention
Example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is that the networking for being carried out Clogging indicator test to communication equipment using wired conduction test method in the prior art is shown
It is intended to;
Fig. 2 is the flow chart of Clogging indicator method of testing provided in an embodiment of the present invention;
Fig. 3 is the flow chart for the Clogging indicator method of testing that the embodiment of the present invention 1 provides;
Fig. 4 is the flow chart for the Clogging indicator method of testing that the embodiment of the present invention 2 provides;
Fig. 5 is the flow chart for the Clogging indicator method of testing that the embodiment of the present invention 3 provides;
Fig. 6 is the structural representation for the Clogging indicator test device that the embodiment of the present invention 4 provides;
Fig. 7 is the structural representation for the Clogging indicator test system that the embodiment of the present invention 5 provides.
Embodiment
In order to provide the implementation for the accuracy for improving Clogging indicator test, the embodiments of the invention provide one kind to block
Indication test method, apparatus and system, the preferred embodiments of the present invention are illustrated below in conjunction with Figure of description, should be managed
Solution, preferred embodiment described herein are merely to illustrate and explain the present invention, are not intended to limit the present invention.And do not rushing
In the case of prominent, the feature in embodiment and embodiment in the application can be mutually combined.
The embodiment of the present invention provides a kind of Clogging indicator method of testing, as shown in Fig. 2 including:
Step 201, equipment under test is determined in the case where interference signal antenna does not launch barrage jamming signal, receive useful
The sensitivity of the useful signal of signal antenna transmitting, as noiseless sensitivity.
Step 202, determine that equipment under test is done in each obstruction that interference signal antenna transmission signal intensity gradually strengthens successively
In the case of disturbing signal, each sensitivity of the useful signal of useful signal antenna transmitting is received, as respectively there is interference sensitivity.
Step 203, when there is interference sensitivity to arrive the default threshold of sensitivity compared to noiseless sensitivity decrease, it is determined that disturbing
The signal intensity for the barrage jamming signal that signal antenna is currently launched, the Clogging indicator value as equipment under test.
Further, in the Clogging indicator method of testing shown in above-mentioned Fig. 2, useful signal antenna can be omnidirectional first
Kind poliarizing antenna, corresponding second of poliarizing antenna of the first Clogging indicator value or omnidirectional for determining equipment under test are corresponding
Determine the second Clogging indicator value of equipment under test, and the polarisation angles of the first polarization useful signal antenna and second of polarization
The polarisation angles of useful signal antenna differ 90 degree, can also successively use the useful signal antenna of the first poliarizing antenna of omnidirectional
Tested with the useful signal antenna of omnidirectional second of poliarizing antenna, obtain the first Clogging indicator value and second of equipment under test
Clogging indicator value.
Further, in the Clogging indicator method of testing shown in above-mentioned Fig. 2, the default position of equipment under test skew can be directed to
The situation for putting predetermined angle is tested, and resulting result is resistance of the equipment under test when offseting predeterminated position predetermined angle
Desired value is filled in, also, can also be respectively for each preset angle in multiple predetermined angles of equipment under test skew predeterminated position
Degree is tested, and corresponds to obtain multiple Clogging indicator values respectively.
Further, can also be in useful signal antenna using complete in the Clogging indicator method of testing shown in above-mentioned Fig. 2
In the case of second of poliarizing antenna of the first poliarizing antenna and/or omnidirectional, preset for equipment under test skew predeterminated position
The situation of angle is tested.
In Clogging indicator method of testing provided in an embodiment of the present invention, feelings of the equipment under test in no barrage jamming signal
Under condition, and in the case where barrage jamming signal be present, the sensitivity of useful signal is received, can be useful signal incidence
Caused power on to equipment under test, it can be determined using various modes of the prior art, it is right in the embodiment of the present invention
This is no longer described in detail.
Below in conjunction with the accompanying drawings, method provided by the invention is described in detail with specific embodiment.
Embodiment 1:
In the embodiment of the present invention 1, the situation of the first poliarizing antenna of omnidirectional is used for useful signal antenna, or use
Second of poliarizing antenna situation of omnidirectional, or successively using second of poliarizing antenna difference of the first poliarizing antenna of omnidirectional and omnidirectional
The situation of test, the handling process of Clogging indicator test is described in detail, wherein, the first polarization useful signal antenna
Polarisation angles differ 90 degree with the polarisation angles of second of polarization useful signal antenna.
Fig. 3 is the Clogging indicator that the useful signal antenna that the embodiment of the present invention 1 provides uses the first poliarizing antenna of omnidirectional
The flow chart of method of testing, specifically include following processing step:
Step 301, the first polarization useful signal antenna of omnidirectional launch the first useful signal, and interference signal antenna is not
Launch barrage jamming signal.
Further, can be needed to launch the first useful signal of special frequency channel and speed according to test, for example, working as needs
Equipment under test is tested when receiving the Clogging indicator of the first useful signal of a certain special frequency channel and speed, in this step i.e.
The first useful signal of the special frequency channel and speed can be launched.
Step 302, equipment under test receive omnidirectional first in the case where interference signal antenna does not launch barrage jamming signal
The first useful signal of kind polarization useful signal antenna transmitting.
Step 303, determine equipment under test in the case where interference signal antenna does not launch barrage jamming signal, receive this
A kind of sensitivity of useful signal, for ease of distinguishing, the sensitivity that this step is determined is referred to as the first noiseless sensitivity.
Step 304, the first polarization useful signal antenna of omnidirectional launch the first useful signal, and interference signal antenna is sent out
Barrage jamming signal is penetrated, and the signal intensity of the barrage jamming signal is currently employed signal intensity.
Also, the first useful signal launched in this step and the first useful signal launched in above-mentioned steps 301
It is identical.
Further, can be needed to launch the barrage jamming signal of special frequency channel according to test, for example, working as needs to test quilt
Measurement equipment receives the Clogging indicator of the first useful signal in the case of the barrage jamming signal that a certain special frequency channel be present
When, the barrage jamming signal of the special frequency channel can be launched in this step.
Step 305, equipment under test interference signal antenna launch barrage jamming signal in the case of, receive omnidirectional the first
Polarize the first useful signal that useful signal antenna is launched.
Step 306, determine that equipment under test receives the sensitivity of the first useful signal, for ease of distinguishing, by this step
The sensitivity of determination, which is referred to as first, interference sensitivity.
Step 307, determine to determine in step 306 this first have interference sensitivity compared to the first noiseless sensitivity whether
The first default threshold of sensitivity is reduced to, if not, into step 308, if it is, into step 309.
Wherein, the first default threshold of sensitivity can flexibly be set according to being actually needed for test, for example, this first
The default threshold of sensitivity can be the first noiseless sensitivity preset percentage, as the preset percentage can be 50%, also may be used
Think 25%, the first default threshold of sensitivity can also be a default fixed value.
Signal intensity when step 308, increase transmitting barrage jamming signal, is then back to above-mentioned steps 304.
Step 309, the signal intensity for determining the barrage jamming signal that interference signal antenna is currently launched, as equipment under test
Clogging indicator value, for ease of distinguish, the Clogging indicator value that this step determines is referred to as the first Clogging indicator value.
Flow shown in Fig. 3 is the side that useful signal antenna carries out Clogging indicator test using the first poliarizing antenna of omnidirectional
Case, using similar handling process, second of poliarizing antenna situation of omnidirectional can also be used for useful signal antenna, be hindered
Index test is filled in, the polarisation angles of the polarisation angles of the first polarization useful signal antenna and second of polarization useful signal antenna
90 degree of difference.
I.e. in test, second of useful signal is launched using second of omnidirectional polarization useful signal antenna, and can be with
By the equipment under test of determination in the case where interference signal antenna does not launch barrage jamming signal, second of useful signal is received
Sensitivity, the referred to as second noiseless sensitivity, by the equipment under test of determination interference signal antenna launch barrage jamming signal
In the case of, the sensitivity of second of useful signal is received, referred to as second has interference sensitivity, and working as second has interference sensitive
When degree is compared to the second noiseless sensitivity decrease to the second default threshold of sensitivity, the resistance that interference signal antenna is currently launched is determined
The signal intensity of interference signal is filled in, as the second Clogging indicator value of equipment under test, if not being reduced to the second default sensitivity
Threshold value, then increase the signal intensity of barrage jamming signal, be further continued for being tested.
, can also be first using the first polarization useful signal antenna progress Clogging indicator survey of omnidirectional in the embodiment of the present invention 1
Examination, then Clogging indicator test is carried out using second of polarization useful signal antenna of omnidirectional, the first obstruction for obtaining equipment under test refers to
Scale value and the second Clogging indicator value.
In the embodiment of the present invention 1, it is determined that equipment under test do not launch the situation of barrage jamming signal in interference signal antenna
Under, and in the case where interference signal antenna launches barrage jamming signal, receive the sensitivity of useful signal, may also be referred to as
Effective omnidirectional sensibility(EIS, Effective Isotropic Sensitivities);The obstruction of the equipment under test of determination refers to
Scale value, it may also be referred to as effective omnidirectional's blocking level(EIB, Effective Isotropic Blocking).
The Clogging indicator method of testing provided using the embodiment of the present invention 1, useful signal is launched by useful signal antenna
, barrage jamming signal is launched by interference signal antenna, so equipment under test is wirelessly to receive useful signal
And barrage jamming signal, therefore, the middle test that Clogging indicator is carried out using wired conduction pattern compared with prior art, more accurately
The situation of equipment under test in actual applications is simulated, so as to improve the accuracy of Clogging indicator test.
Further, it is possible to for having using the first polarization useful signal antenna of omnidirectional and/or using second of polarization of omnidirectional
With the situation of signal antenna, more targeted Clogging indicator test is carried out.
Embodiment 2:
In the embodiment of the present invention 2, the situation of predeterminated position predetermined angle is offset for equipment under test, Clogging indicator is tested
Handling process be described in detail.
Fig. 4 is that the situation that predeterminated position predetermined angle is offset for equipment under test that the embodiment of the present invention 2 provides is hindered
The flow chart of indication test method is filled in, specifically includes following processing step:
Step 401, useful signal antenna transmitting useful signal, and interference signal antenna does not launch barrage jamming signal.
Further, can be needed to launch the useful signal of special frequency channel and speed according to test, for example, working as needs to test
Equipment under test can launch the spy when receiving the Clogging indicator of useful signal of a certain special frequency channel and speed in this step
Determine the useful signal of frequency range and speed.
Step 402, equipment under test do not launch obstruction interference when offseting predeterminated position predetermined angle, in interference signal antenna
In the case of signal, the useful signal of useful signal antenna transmitting is received.
Wherein, the predetermined angle can by equipment under test vertical direction offset predeterminated position vertical predetermined angle and
The level-preset angle for offseting predeterminated position in the horizontal direction is indicated, i.e., the predetermined angle illustrates the equipment under test and compared
Predeterminated position is in the anglec of rotation both vertically and horizontally.
Step 403, determine that equipment under test when offseting the predeterminated position predetermined angle, does not launch resistance in interference signal antenna
In the case of filling in interference signal, the sensitivity of the useful signal is received, for ease of distinguishing, the sensitivity that this step is determined is referred to as
Noiseless sensitivity corresponding with the predetermined angle.
Step 404, useful signal antenna transmitting useful signal, and interference signal antenna transmitting barrage jamming signal.
Also, the useful signal launched in this step is identical with the useful signal launched in above-mentioned steps 401.
Further, can be needed to launch the barrage jamming signal of special frequency channel according to test, for example, working as needs to test quilt
Measurement equipment in the case of the barrage jamming signal that a certain special frequency channel be present, connects when offseting the predeterminated position predetermined angle
When receiving the Clogging indicator of useful signal, the barrage jamming signal of the special frequency channel can be launched in this step.
Step 405, equipment under test launch obstruction interference when offseting the predeterminated position predetermined angle, in interference signal antenna
In the case of signal, the useful signal of useful signal antenna transmitting is received.
Step 406, determine that equipment under test when offseting the predeterminated position predetermined angle, receives the sensitive of the useful signal
Degree, for ease of distinguishing, the sensitivity that this step is determined is referred to as corresponding with the predetermined angle interference sensitivity.
Step 407, determine to determine in step 406 it is default with this compared with having interference sensitivity corresponding to the predetermined angle
Noiseless sensitivity corresponding to angle, if the default threshold of sensitivity corresponding with the predetermined angle is reduced to, if not, into
Step 408, if it is, into step 409.
Wherein, the default threshold of sensitivity corresponding with the predetermined angle can flexibly be set according to being actually needed for test
Put, for example, the default threshold of sensitivity corresponding with the predetermined angle can be noiseless sensitivity corresponding with the predetermined angle
Preset percentage, if the preset percentage can be 50%, or 25%, default sensitivity corresponding with the predetermined angle
Threshold value can also be a default fixed value.
Used signal intensity when step 408, increase transmitting barrage jamming signal, is then back to above-mentioned steps 404.
Step 409, the signal intensity for determining the barrage jamming signal that interference signal antenna is currently launched, as equipment under test
Clogging indicator value, for ease of distinguish, by the Clogging indicator value that this step determines be referred to as equipment under test skew predeterminated position should
Clogging indicator value during predetermined angle.
In the embodiment of the present invention 2, multiple predetermined angles can be pre-set, and above-mentioned figure is used for each predetermined angle
Flow shown in 4, determine Clogging indicator value of the equipment under test in each predetermined angle of skew predeterminated position.
The Clogging indicator method of testing provided using the embodiment of the present invention 2, useful signal is launched by useful signal antenna
, barrage jamming signal is launched by interference signal antenna, so equipment under test is wirelessly to receive useful signal
And barrage jamming signal, therefore, the middle test that Clogging indicator is carried out using wired conduction pattern compared with prior art, more accurately
The situation of equipment under test in actual applications is simulated, so as to improve the accuracy of Clogging indicator test.
Further, it is possible to offset the situation of predeterminated position predetermined angle for equipment under test, more targeted obstruction is carried out
Index test.
Embodiment 3:
In the embodiment of the present invention 3, second of pole of the first poliarizing antenna of omnidirectional and/or omnidirectional is used in useful signal antenna
In the case of changing antenna, the situation of predeterminated position predetermined angle is offset for equipment under test, to the processing stream of Clogging indicator test
Journey is described in detail, wherein, the polarisation angles of the first polarization useful signal antenna and second of polarization useful signal antenna
Polarisation angles differ 90 degree.
Fig. 5 is that the useful signal antenna that the embodiment of the present invention 3 provides uses the first poliarizing antenna of omnidirectional, and for tested
The situation of device shifting predeterminated position predetermined angle carries out the flow chart of Clogging indicator method of testing, specifically includes following processing step
Suddenly:
Step 501, the first polarization useful signal antenna of omnidirectional launch the first useful signal, and interference signal antenna is not
Launch barrage jamming signal.
Further, can be needed to launch the first useful signal of special frequency channel and speed according to test, for example, working as needs
Equipment under test is tested when offseting predeterminated position predetermined angle, in the resistance for the useful signal for receiving a certain special frequency channel and speed
When filling in index, the first useful signal of the special frequency channel and speed can be launched in this step.
Step 502, equipment under test do not launch obstruction interference when offseting predeterminated position predetermined angle, in interference signal antenna
In the case of signal, the first useful signal of the first polarization useful signal antenna transmitting of omnidirectional is received.
Wherein, the predetermined angle can by equipment under test vertical direction offset predeterminated position vertical predetermined angle and
The level-preset angle for offseting predeterminated position in the horizontal direction is indicated, i.e., the predetermined angle illustrates the equipment under test and compared
Predeterminated position is in the anglec of rotation both vertically and horizontally.
Step 503, determine that equipment under test when offseting the predeterminated position predetermined angle, does not launch resistance in interference signal antenna
In the case of filling in interference signal, the sensitivity of the first useful signal is received, for ease of distinguishing, this step is determined sensitive
Degree is referred to as the first noiseless sensitivity corresponding with the predetermined angle.
Step 504, the first polarization useful signal antenna of omnidirectional launch the first useful signal, and interference signal antenna is sent out
Penetrate barrage jamming signal.
Also, the first useful signal launched in this step and the first useful signal launched in above-mentioned steps 501
It is identical.
Further, can be needed to launch the barrage jamming signal of special frequency channel according to test, for example, working as needs to test quilt
Measurement equipment in the case of the barrage jamming signal that a certain special frequency channel be present, connects when offseting the predeterminated position predetermined angle
When receiving the Clogging indicator of the first useful signal, the barrage jamming signal of the special frequency channel can be launched in this step.
Step 505, equipment under test launch obstruction interference when offseting the predeterminated position predetermined angle, in interference signal antenna
In the case of signal, the first useful signal of the first polarization useful signal antenna transmitting of omnidirectional is received.
Step 506, determine that equipment under test when offseting the predeterminated position predetermined angle, receives the first useful signal
Sensitivity, for ease of distinguishing, the sensitivity that this step is determined, which is referred to as corresponding with the predetermined angle first, interference sensitivity.
Step 507, determine to determine in step 506 compared with corresponding to the predetermined angle first has interference sensitivity with this
First noiseless sensitivity corresponding to predetermined angle, if be reduced to corresponding with the predetermined angle first default threshold of sensitivity
Value, if not, into step 508, if it is, into step 509.
Wherein, corresponding with the predetermined angle first default threshold of sensitivity can be actually needed progress spirit according to test
It is living to set, for example, corresponding with the predetermined angle first default threshold of sensitivity can be corresponding with the predetermined angle first
The preset percentage of noiseless sensitivity, if the preset percentage can be 50%, or 25%, it is corresponding with the predetermined angle
The first default threshold of sensitivity can also be a default fixed value.
Used signal intensity when step 508, increase transmitting barrage jamming signal, is then back to above-mentioned steps 504.
Step 509, the signal intensity for determining the barrage jamming signal that interference signal antenna is currently launched, as equipment under test
Clogging indicator value, for ease of distinguish, by the Clogging indicator value that this step determines be referred to as equipment under test skew predeterminated position should
The first Clogging indicator value during predetermined angle.
Flow shown in Fig. 5 is that useful signal antenna uses the first poliarizing antenna of omnidirectional, and pre- for equipment under test skew
If the situation of position predetermined angle carries out the scheme of Clogging indicator test, using similar handling process, can also be directed to useful
Signal antenna uses second of poliarizing antenna of omnidirectional, and the situation of equipment under test skew predeterminated position predetermined angle, is blocked
Index test, the polarisation angles phase of the polarisation angles of the first polarization useful signal antenna and second of polarization useful signal antenna
Poor 90 degree.
I.e. in test, second of useful signal is launched using second of omnidirectional polarization useful signal antenna, and can be with
By the equipment under test of determination when offseting predeterminated position predetermined angle, the feelings of barrage jamming signal are not launched in interference signal antenna
Under condition, the sensitivity of second of useful signal is received, the second noiseless sensitivity referred to as corresponding with the predetermined angle will be true
It is fixed when offseting predeterminated position predetermined angle, equipment under test in the case where interference signal antenna launches barrage jamming signal,
The sensitivity of second of useful signal is received, referred to as corresponding with the predetermined angle second has interference sensitivity, and works as and this
Second has interference sensitivity to compare the second noiseless sensitivity corresponding with the predetermined angle corresponding to predetermined angle, be reduced to
Corresponding to the predetermined angle during the second default threshold of sensitivity, the barrage jamming signal that interference signal antenna is currently launched is determined
Signal intensity, as second Clogging indicator value of the equipment under test when offseting predeterminated position predetermined angle, if be not reduced to
The second default threshold of sensitivity, then increase the signal intensity of barrage jamming signal, be further continued for being surveyed corresponding to the predetermined angle
Examination.
, can also be first using the first polarization useful signal antenna of omnidirectional, and be directed to equipment under test in the embodiment of the present invention 3
The situation for offseting predeterminated position predetermined angle carries out Clogging indicator test, then using second of omnidirectional polarization useful signal antenna,
And Clogging indicator test is carried out for the situation of equipment under test skew predeterminated position predetermined angle, it is pre- in skew to obtain equipment under test
If the first Clogging indicator value and the second Clogging indicator value during the predetermined angle of position.
In the embodiment of the present invention 3, it is determined that equipment under test when offseting predeterminated position predetermined angle, in interference signal antenna
In the case of not launching barrage jamming signal, and in the case where interference signal antenna launches barrage jamming signal, reception has
With the sensitivity of signal, effective omnidirectional sensibility may also be referred to as(EIS, Effective Isotropic
Sensitivities);Clogging indicator value of the equipment under test of determination when offseting predeterminated position predetermined angle, may also be referred to as
Effective omnidirectional blocking level(EIB, Effective Isotropic Blocking).
In the embodiment of the present invention 3, multiple predetermined angles can be pre-set, and above-mentioned figure is used for each predetermined angle
Flow shown in 5, when determining that useful signal antenna uses the first poliarizing antenna of omnidirectional, equipment under test is every in skew predeterminated position
The first Clogging indicator value during individual predetermined angle, when can also determine that useful signal antenna uses second of poliarizing antenna of omnidirectional,
Second Clogging indicator value of the equipment under test in each predetermined angle of skew predeterminated position, now, further, can also be used
Equation below determines the total blockage desired value of equipment under test:
Wherein, TIB is the total blockage desired value of equipment under test;
EIBθ(θi,φj) be equipment under test in the angle of vertical direction skew predeterminated position it is θiAnd horizontal direction skew is pre-
If the angle of position is φjWhen the first Clogging indicator value;
EIBφ(θi,φj) be equipment under test in the angle of vertical direction skew predeterminated position it is θiAnd horizontal direction skew is pre-
If the angle of position is φjWhen the second Clogging indicator value;
N-1 is the quantity for the angle that default vertical direction offsets predeterminated position;
M is the quantity for the angle that default horizontal direction offsets predeterminated position.
And further, the first Clogging indicator schematic three dimensional views of the equipment under test under spherical coordinates can also be generated,
Wherein, the sensing of a coordinate points to origin represents the angle of equipment under test skew predeterminated position, the coordinate points in spherical coordinates
Distance to origin represents the first Clogging indicator value when offseting the predeterminated position angle of equipment under test;
The second Clogging indicator schematic three dimensional views of the equipment under test under spherical coordinates can also be generated, wherein, in spherical coordinates
The sensing of one coordinate points to origin represents the angle of equipment under test skew predeterminated position, and the coordinate points are to origin apart from table
Show the second Clogging indicator value when offseting the predeterminated position angle of equipment under test;
Above-mentioned first Clogging indicator schematic three dimensional views and above-mentioned second Clogging indicator schematic three dimensional views can also successively be generated.
The Clogging indicator method of testing provided using the embodiment of the present invention 3, useful signal is launched by useful signal antenna
, barrage jamming signal is launched by interference signal antenna, so equipment under test is wirelessly to receive useful signal
And barrage jamming signal, therefore, the middle test that Clogging indicator is carried out using wired conduction pattern compared with prior art, more accurately
The situation of equipment under test in actual applications is simulated, so as to improve the accuracy of Clogging indicator test.
Further, it is possible to for having using the first polarization useful signal antenna of omnidirectional and/or using second of polarization of omnidirectional
With signal antenna, and the situation of equipment under test skew predeterminated position predetermined angle, carry out more targeted Clogging indicator test.
Also, the total blockage desired value of equipment under test can also be determined, more accurately to represent tested on the whole
The Clogging indicator situation of equipment, i.e., equipment under test is more accurately represented on the whole in the case where interference signal be present, to having
With the receiving ability of signal.
Also, the above-mentioned first Clogging indicator schematic three dimensional views and above-mentioned second Clogging indicator schematic three dimensional views of generation, energy
It is enough more intuitively to show using the first polarization useful signal antenna of omnidirectional and/or using second of polarization useful signal day of omnidirectional
Line, equipment under test offset Clogging indicator situation during predeterminated position predetermined angle.
In the Clogging indicator method of testing that the above embodiment of the present invention 1-3 is provided, in order to more accurately be tested
As a result, above-mentioned useful signal antenna, above-mentioned interference signal antenna and above-mentioned equipment under test can be located in the darkroom of closing.
The Clogging indicator method of testing that the above embodiment of the present invention 1-3 is provided, can also be the equal of to be based on aerial skill
Art(OTA, Over-the-Air Technology)The Clogging indicator method of testing of progress.
Embodiment 4:
Based on same inventive concept, the Clogging indicator method of testing method provided according to the above embodiment of the present invention, accordingly
Ground, the embodiment of the present invention 4 additionally provide a kind of Clogging indicator method of testing device, and its structural representation is as shown in fig. 6, specific bag
Include:
Noiseless determining unit 601, for determining that equipment under test does not launch barrage jamming signal in interference signal antenna
In the case of, the sensitivity of the useful signal of useful signal antenna transmitting is received, as noiseless sensitivity;
There is interference determining unit 602, for determining the equipment under test in the interference signal antenna transmission signal successively
In the case of each barrage jamming signal that intensity gradually strengthens, the useful signal of the useful signal antenna transmitting is received
Each sensitivity, as respectively there is interference sensitivity;
Clogging indicator determining unit 603, for thering is interference sensitivity to be arrived compared to the noiseless sensitivity decrease when described
During the default threshold of sensitivity, the signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, as institute
State the Clogging indicator value of equipment under test.
Further, noiseless determining unit 601, specifically for determining that equipment under test does not launch resistance in interference signal antenna
In the case of filling in interference signal, the sensitive of the first useful signal that the first polarization useful signal antenna of omnidirectional is launched is received
Degree, as the first noiseless sensitivity;And/or
Equipment under test is determined in the case where interference signal antenna does not launch barrage jamming signal, receives second of pole of omnidirectional
Change the sensitivity of second of useful signal of useful signal antenna transmitting, as the second noiseless sensitivity, the first described pole
The polarisation angles for changing useful signal antenna differ 90 degree with the polarisation angles of described second polarization useful signal antenna;
There is interference determining unit 602, specifically for determining that the equipment under test is launched in the interference signal antenna successively
In the case of each barrage jamming signal that signal intensity gradually strengthens, the first polarization useful signal antenna hair of the omnidirectional is received
Each sensitivity for the first useful signal penetrated, there is interference sensitivity as each first;And/or
Determine that the equipment under test is done in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively
In the case of disturbing signal, each of second of useful signal that described second of polarization useful signal antenna of omnidirectional is launched is received
Sensitivity, there is interference sensitivity as each second;
Clogging indicator determining unit 603, specifically for having interference sensitivity compared to described first noiseless when described first
When sensitivity decrease is to the first default threshold of sensitivity, the barrage jamming signal that the interference signal antenna is currently launched is determined
Signal intensity, the first Clogging indicator value as the equipment under test;And/or
There is interference sensitivity compared to the described second noiseless sensitivity decrease to the second default threshold of sensitivity when described second
During value, the signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, as the equipment under test
Second Clogging indicator value.
Further, noiseless determining unit 601, specifically for determining equipment under test in skew predeterminated position predetermined angle
When, in the case where interference signal antenna does not launch barrage jamming signal, receive the useful signal of useful signal antenna transmitting
Sensitivity, as noiseless sensitivity corresponding with the predetermined angle;
There is interference determining unit 602, specifically for determining that the equipment under test is being offset described in the predeterminated position successively
During predetermined angle, in the case of each barrage jamming signal that the interference signal antenna transmission signal intensity gradually strengthens, connect
Receive each sensitivity of the useful signal of useful signal antenna transmitting, as it is corresponding with the predetermined angle respectively have it is dry
Disturb sensitivity;
Clogging indicator determining unit 603, specifically for described having interference sensitivity phase when corresponding with the predetermined angle
The noiseless sensitivity more corresponding than with the predetermined angle, it is reduced to the default threshold of sensitivity corresponding with the predetermined angle
During value, the signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, is existed as the equipment under test
Offset Clogging indicator value during predetermined angle described in the predeterminated position.
Further, noiseless determining unit 601, specifically for determining equipment under test in skew predeterminated position predetermined angle
When, in the case where interference signal antenna does not launch barrage jamming signal, receive the first polarization useful signal antenna hair of omnidirectional
The sensitivity for the first useful signal penetrated, as the first noiseless sensitivity corresponding with the predetermined angle;And/or
Determine that equipment under test when offseting predeterminated position predetermined angle, does not launch barrage jamming signal in interference signal antenna
In the case of, receive the sensitivity of second of useful signal of second of omnidirectional polarization useful signal antenna transmitting, as with institute
State the second noiseless sensitivity corresponding to predetermined angle, the polarisation angles of the first polarization useful signal antenna and described the
The polarisation angles of two kinds of polarization useful signal antennas differ 90 degree;
There is interference determining unit 602, specifically for determining that the equipment under test is being offset described in the predeterminated position successively
During predetermined angle, in the case of each barrage jamming signal that the interference signal antenna transmission signal intensity gradually strengthens, connect
Receive each sensitivity of the first useful signal of the first polarization useful signal antenna transmitting of the omnidirectional, as with it is described
Each first has interference sensitivity corresponding to predetermined angle;And/or
The equipment under test is determined successively when offseting predetermined angle described in the predeterminated position, in the interference signal day
In the case of each barrage jamming signal that line transmission signal intensity gradually strengthens, described second of polarization useful signal of omnidirectional is received
Each sensitivity of second of useful signal of antenna transmitting, there is interference spirit as corresponding with the predetermined angle each second
Sensitivity;
Clogging indicator determining unit 603, there is interference sensitive specifically for working as corresponding with the predetermined angle described first
Degree compares the first noiseless sensitivity corresponding with the predetermined angle, is reduced to corresponding with the predetermined angle first
During the default threshold of sensitivity, the signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, as institute
State first Clogging indicator value of the equipment under test when offseting predetermined angle described in the predeterminated position;And/or
When the institute corresponding with the predetermined angle compared with corresponding to the predetermined angle described second has interference sensitivity
The second noiseless sensitivity is stated, when being reduced to corresponding with the predetermined angle second default threshold of sensitivity, is determined described dry
The signal intensity for the barrage jamming signal that signal antenna is currently launched is disturbed, the predeterminated position is being offset as the equipment under test
The second Clogging indicator value during the predetermined angle.
Further, Clogging indicator determining unit 603, it is additionally operable to determine the totality of the equipment under test using equation below
Clogging indicator value:
Wherein, TIB is the total blockage desired value of the equipment under test;
EIBθ(θi,φj) for the equipment under test in the angle that vertical direction offsets the predeterminated position it is θiAnd level side
Angle to the skew predeterminated position is φjWhen the first Clogging indicator value;
EIBφ(θi,φj) for the equipment under test in the angle that vertical direction offsets the predeterminated position it is θiAnd level side
Angle to the skew predeterminated position is φjWhen the second Clogging indicator value;
N-1 is the quantity for the angle that default vertical direction offsets the predeterminated position;
M is the quantity for the angle that default horizontal direction offsets the predeterminated position.
Further, above-mentioned Clogging indicator test device, in addition to:
Schematic diagram generation unit 604, the first Clogging indicator for generating the equipment under test under spherical coordinates are three-dimensional
Schematic diagram, wherein, in the spherical coordinates sensing of coordinate points to an origin represent that the equipment under test offsets the predeterminated position
Angle, the distance of the coordinate points to origin represents first when offseting described predeterminated position angle of the equipment under test
Clogging indicator value;And/or
The second Clogging indicator schematic three dimensional views of the equipment under test under spherical coordinates are generated, wherein, the spherical coordinates
In the sensing of a coordinate points to origin represent that the equipment under test offsets the angle of the predeterminated position, the coordinate points arrive origin
Distance represents the second Clogging indicator value when offseting described predeterminated position angle of the equipment under test.
The respective handling step that the function of above-mentioned each unit may correspond in flow shown in Fig. 2 to Fig. 5, it is no longer superfluous herein
State.
Based on same inventive concept, the Clogging indicator method of testing method provided according to the above embodiment of the present invention, accordingly
Ground, the embodiment of the present invention 4 additionally provide a kind of test equipment, including:Above-mentioned Clogging indicator test device.
Embodiment 5:
Based on same inventive concept, the Clogging indicator method of testing method provided according to the above embodiment of the present invention, and
Above-mentioned Clogging indicator test device, correspondingly, the embodiment of the present invention 5 additionally provide a kind of Clogging indicator method of testing system, its
Structural representation is as shown in fig. 7, specifically include:
Above-mentioned test equipment 701, useful signal generating means 703, interference signal generating means 705, useful signal generation
Device 703 includes includes interference signal antenna 704 with signal antenna 702, interference signal generating means 705, wherein:
Useful signal generating means 703, for generating and launching useful signal by the useful signal antenna 702;
Interference signal generating means 705, for generating and launching obstruction interference letter by the interference signal antenna 704
Number;
Test equipment 701, for controlling useful signal generating means 703 to launch useful signal, and control interference signal
Generating means 705 launch barrage jamming signal.
Further, said system, can also include:
The antenna change-over switch 706 being respectively connected with useful signal antenna 702 and interference signal antenna 704;
Test equipment 701, it is additionally operable to, by antenna change-over switch 706, control the switching of the useful signal antenna 702,
And the switching of the interference signal antenna 704.
Wherein, useful signal antenna 702 can include multiple different types of useful signal antennas 702, such as polarizing angle
Different multiple omnidirectionals polarization useful signal antennas is spent, test equipment can pass through antenna change-over switch according to test needs
706, the switching of the plurality of different types of useful signal antenna 702 is controlled, the useful signal day for being currently needed for using with selection
Line 702;
Similarly, can be needed to control multiple different types of interference signal days according to test by antenna change-over switch 706
The switching of line 704, the interference signal antenna 704 for being currently needed for using with selection.
Further, in order to more accurately obtain test result, above-mentioned useful signal antenna 702, above-mentioned interference are believed
Number antenna 704 and above-mentioned equipment under test 701 can be located in the darkroom of closing.
Further, can be by isolating setting technology so that above-mentioned to have in order to more accurately obtain test result
It is as far as possible small with influencing each other between signal antenna 702 and above-mentioned interference signal antenna 704, such as allow in test environment conditions
In the case of, expand as far as possible and cause the distance between useful signal antenna 702 and interference signal antenna 704, can also be useful
Being physically separated between signal antenna 702 and interference signal antenna 704, such as in useful signal antenna 702 and interference signal
Division board is set between antenna 704.
In summary, scheme provided in an embodiment of the present invention, including:Determine that equipment under test is not launched in interference signal antenna
In the case of barrage jamming signal, the sensitivity of the useful signal of useful signal antenna transmitting is received, as noiseless sensitivity;
And equipment under test is determined successively in the case of each barrage jamming signal that interference signal antenna transmission signal intensity gradually strengthens,
Each sensitivity of the useful signal of useful signal antenna transmitting is received, as respectively there is interference sensitivity;And disturb spirit when having
When sensitivity compares noiseless sensitivity decrease to the default threshold of sensitivity, the obstruction interference that interference signal antenna is currently launched is determined
The signal intensity of signal, the Clogging indicator value as equipment under test.Using scheme provided in an embodiment of the present invention, obstruction is improved
The accuracy of index test.
The Clogging indicator test device that embodiments herein is provided can be realized by computer program.Art technology
Personnel are it should be appreciated that above-mentioned Module Division mode is only one kind in numerous Module Division modes, if being divided into it
His module or non-division module, all should be in the protection domain of the application as long as Clogging indicator test device has above-mentioned function
Within.
The application is with reference to method, the equipment according to the embodiment of the present application(System)And the flow of computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. Clogging indicator method of testing, it is characterised in that including:Equipment under test is determined in the case where interference signal antenna does not launch barrage jamming signal, receives the transmitting of useful signal antenna Useful signal sensitivity, as noiseless sensitivity;Determine that the equipment under test disturbs letter in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively In the case of number, each sensitivity of the useful signal of the useful signal antenna transmitting is received, interference is sensitive as respectively having Degree;There is interference sensitivity, to when presetting the threshold of sensitivity, to determine the interference compared to the noiseless sensitivity decrease when described The signal intensity for the barrage jamming signal that signal antenna is currently launched, the Clogging indicator value as the equipment under test;Wherein it is determined that equipment under test in the case where interference signal antenna does not launch barrage jamming signal, receives useful signal day The sensitivity of the useful signal of line transmitting, as noiseless sensitivity, is specifically included:Equipment under test is determined in the case where interference signal antenna does not launch barrage jamming signal, receiving the first polarization of omnidirectional has The sensitivity for the first useful signal launched with signal antenna, as the first noiseless sensitivity;And/orEquipment under test is determined in the case where interference signal antenna does not launch barrage jamming signal, receiving second of polarization of omnidirectional has The sensitivity for second of the useful signal launched with signal antenna, as the second noiseless sensitivity, the first described polarization has With the polarisation angles of signal antenna 90 degree are differed with the polarisation angles of described second polarization useful signal antenna;Determine that the equipment under test disturbs letter in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively In the case of number, each sensitivity of the useful signal of the useful signal antenna transmitting is received, interference is sensitive as respectively having Degree, is specifically included:Determine that the equipment under test disturbs letter in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively In the case of number, each sensitive of the first useful signal that the first polarization useful signal antenna of the omnidirectional is launched is received Degree, has interference sensitivity as each first;And/orDetermine that the equipment under test disturbs letter in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively In the case of number, each sensitive of second of useful signal that described second of polarization useful signal antenna of omnidirectional is launched is received Degree, has interference sensitivity as each second;There is interference sensitivity, to when presetting the threshold of sensitivity, to determine the interference compared to the noiseless sensitivity decrease when described The signal intensity for the barrage jamming signal that signal antenna is currently launched, as the Clogging indicator value of the equipment under test, specific bag Include:When described first has interference sensitivity compared to the described first noiseless sensitivity decrease to the first default threshold of sensitivity, The signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, the first resistance as the equipment under test Fill in desired value;And/orWhen described second has interference sensitivity compared to the described second noiseless sensitivity decrease to the second default threshold of sensitivity, The signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, the second resistance as the equipment under test Fill in desired value;Or, wherein it is determined that equipment under test in the case where interference signal antenna does not launch barrage jamming signal, receives useful signal The sensitivity of the useful signal of antenna transmitting, as noiseless sensitivity, is specifically included:Determine that equipment under test when offseting predeterminated position predetermined angle, does not launch the feelings of barrage jamming signal in interference signal antenna Under condition, the sensitivity of the useful signal of useful signal antenna transmitting is received, as noiseless spirit corresponding with the predetermined angle Sensitivity;Determine that the equipment under test disturbs letter in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively In the case of number, each sensitivity of the useful signal of the useful signal antenna transmitting is received, interference is sensitive as respectively having Degree, is specifically included:Determine that the equipment under test when offseting predetermined angle described in the predeterminated position, is sent out in the interference signal antenna successively In the case of penetrating each barrage jamming signal that signal intensity gradually strengthens, the described useful of the useful signal antenna transmitting is received Each sensitivity of signal, respectively there is interference sensitivity as corresponding with the predetermined angle;There is interference sensitivity, to when presetting the threshold of sensitivity, to determine the interference compared to the noiseless sensitivity decrease when described The signal intensity for the barrage jamming signal that signal antenna is currently launched, as the Clogging indicator value of the equipment under test, specific bag Include:When corresponding with the predetermined angle described noiseless compared with having interference sensitivity described in corresponding to the predetermined angle Sensitivity, when being reduced to the default threshold of sensitivity corresponding with the predetermined angle, determine that the interference signal antenna is currently sent out The signal intensity for the barrage jamming signal penetrated, as the equipment under test when offseting predetermined angle described in the predeterminated position Clogging indicator value;Or, wherein it is determined that equipment under test in the case where interference signal antenna does not launch barrage jamming signal, receives useful signal The sensitivity of the useful signal of antenna transmitting, as noiseless sensitivity, is specifically included:Determine that equipment under test when offseting predeterminated position predetermined angle, does not launch the feelings of barrage jamming signal in interference signal antenna Under condition, receive the sensitivity of the first useful signal of the first polarization useful signal antenna transmitting of omnidirectional, as with it is described pre- If the first noiseless sensitivity corresponding to angle;And/orDetermine that equipment under test when offseting predeterminated position predetermined angle, does not launch the feelings of barrage jamming signal in interference signal antenna Under condition, receive the sensitivity of second of useful signal of second of omnidirectional polarization useful signal antenna transmitting, as with it is described pre- If the second noiseless sensitivity corresponding to angle, it is described the first polarization useful signal antenna polarisation angles with described second The polarisation angles of polarization useful signal antenna differ 90 degree;Determine that the equipment under test disturbs letter in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively In the case of number, each sensitivity of the useful signal of the useful signal antenna transmitting is received, interference is sensitive as respectively having Degree, is specifically included:Determine that the equipment under test when offseting predetermined angle described in the predeterminated position, is sent out in the interference signal antenna successively In the case of penetrating each barrage jamming signal that signal intensity gradually strengthens, the first polarization useful signal antenna of the omnidirectional is received Each sensitivity of the first useful signal of transmitting, there is interference sensitive as corresponding with the predetermined angle each first Degree;And/orDetermine that the equipment under test when offseting predetermined angle described in the predeterminated position, is sent out in the interference signal antenna successively In the case of penetrating each barrage jamming signal that signal intensity gradually strengthens, described second of polarization useful signal antenna of omnidirectional is received Each sensitivity of second of useful signal of transmitting, there is interference sensitive as corresponding with the predetermined angle each second Degree;There is interference sensitivity, to when presetting the threshold of sensitivity, to determine the interference compared to the noiseless sensitivity decrease when described The signal intensity for the barrage jamming signal that signal antenna is currently launched, as the Clogging indicator value of the equipment under test, specific bag Include:When compared with corresponding to the predetermined angle described first has interference sensitivity corresponding with the predetermined angle described One noiseless sensitivity, when being reduced to corresponding with the predetermined angle first default threshold of sensitivity, determine the interference letter The signal intensity for the barrage jamming signal that number antenna is currently launched, offset as the equipment under test described in the predeterminated position The first Clogging indicator value during predetermined angle;And/orWhen compared with corresponding to the predetermined angle described second has interference sensitivity corresponding with the predetermined angle described Two noiseless sensitivity, when being reduced to corresponding with the predetermined angle second default threshold of sensitivity, determine the interference letter The signal intensity for the barrage jamming signal that number antenna is currently launched, offset as the equipment under test described in the predeterminated position The second Clogging indicator value during predetermined angle.
- 2. the method as described in claim 1, it is characterised in that also include determining the total of the equipment under test using equation below Body Clogging indicator value:<mrow> <mi>T</mi> <mi>I</mi> <mi>B</mi> <mo>=</mo> <mfrac> <mrow> <mn>2</mn> <mi>N</mi> <mi>M</mi> </mrow> <mrow> <mi>&pi;</mi> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mrow> <mi>N</mi> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <munderover> <mo>&Sigma;</mo> <mrow> <mi>j</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow> <mi>M</mi> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <mo>&lsqb;</mo> <mfrac> <mn>1</mn> <mrow> <msub> <mi>EIB</mi> <mi>&theta;</mi> </msub> <mrow> <mo>(</mo> <msub> <mi>&theta;</mi> <mi>i</mi> </msub> <mo>,</mo> <msub> <mi>&phi;</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> </mrow> </mfrac> <mo>+</mo> <mfrac> <mn>1</mn> <mrow> <msub> <mi>EIB</mi> <mi>&phi;</mi> </msub> <mrow> <mo>(</mo> <msub> <mi>&theta;</mi> <mi>i</mi> </msub> <mo>,</mo> <msub> <mi>&phi;</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> </mrow> </mfrac> <mo>&rsqb;</mo> <mi>s</mi> <mi>i</mi> <mi>n</mi> <mrow> <mo>(</mo> <msub> <mi>&theta;</mi> <mi>i</mi> </msub> <mo>)</mo> </mrow> </mrow> </mfrac> <mo>;</mo> </mrow>Wherein, TIB is the total blockage desired value of the equipment under test;EIBθ(θi,φj) for the equipment under test in the angle that vertical direction offsets the predeterminated position it is θiAnd horizontal direction is inclined The angle for moving the predeterminated position is φjWhen the first Clogging indicator value;EIBφ(θi,φj) for the equipment under test in the angle that vertical direction offsets the predeterminated position it is θiAnd horizontal direction is inclined The angle for moving the predeterminated position is φjWhen the second Clogging indicator value;N-1 is the quantity for the angle that default vertical direction offsets the predeterminated position;M is the quantity for the angle that default horizontal direction offsets the predeterminated position.
- 3. the method as described in claim 1, it is characterised in that also include:The first Clogging indicator schematic three dimensional views of the equipment under test under spherical coordinates are generated, wherein, one in the spherical coordinates The sensing of individual coordinate points to origin represents that the equipment under test offsets the angle of the predeterminated position, the distance of the coordinate points to origin Represent the first Clogging indicator value when offseting described predeterminated position angle of the equipment under test;And/orThe second Clogging indicator schematic three dimensional views of the equipment under test under spherical coordinates are generated, wherein, one in the spherical coordinates The sensing of individual coordinate points to origin represents that the equipment under test offsets the angle of the predeterminated position, the distance of the coordinate points to origin Represent the second Clogging indicator value when offseting described predeterminated position angle of the equipment under test.
- 4. the method as described in claim 1-3 is any, it is characterised in that the useful signal antenna, the interference signal day Line and the equipment under test are in the darkroom of closing.
- A kind of 5. Clogging indicator test device, it is characterised in that including:Noiseless determining unit, for determining equipment under test in the case where interference signal antenna does not launch barrage jamming signal, The sensitivity of the useful signal of useful signal antenna transmitting is received, as noiseless sensitivity;There is interference determining unit, for determining that the equipment under test is gradual in the interference signal antenna transmission signal intensity successively In the case of each barrage jamming signal of enhancing, each sensitive of the useful signal that the useful signal antenna is launched is received Degree, as respectively there is interference sensitivity;Clogging indicator determining unit, for having interference sensitivity sensitive to presetting compared to the noiseless sensitivity decrease when described When spending threshold value, the signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, is set as described be tested Standby Clogging indicator value;Wherein, the noiseless determining unit, specifically for determining that equipment under test does not launch obstruction interference in interference signal antenna In the case of signal, the sensitivity of the first useful signal of the first polarization useful signal antenna transmitting of omnidirectional is received, as First noiseless sensitivity;And/orEquipment under test is determined in the case where interference signal antenna does not launch barrage jamming signal, receiving second of polarization of omnidirectional has The sensitivity for second of the useful signal launched with signal antenna, as the second noiseless sensitivity, the first described polarization has With the polarisation angles of signal antenna 90 degree are differed with the polarisation angles of described second polarization useful signal antenna;It is described to have interference determining unit, specifically for determining the equipment under test in the interference signal antenna transmission signal successively In the case of each barrage jamming signal that intensity gradually strengthens, the first polarization useful signal antenna transmitting of the omnidirectional is received Each sensitivity of the first useful signal, there is interference sensitivity as each first;And/orDetermine that the equipment under test disturbs letter in each obstruction that the interference signal antenna transmission signal intensity gradually strengthens successively In the case of number, each sensitive of second of useful signal that described second of polarization useful signal antenna of omnidirectional is launched is received Degree, has interference sensitivity as each second;The Clogging indicator determining unit, specifically for having interference sensitivity compared to described first noiseless sensitive when described first When degree is reduced to the first default threshold of sensitivity, the signal for the barrage jamming signal that the interference signal antenna is currently launched is determined Intensity, the first Clogging indicator value as the equipment under test;And/orWhen described second has interference sensitivity compared to the described second noiseless sensitivity decrease to the second default threshold of sensitivity, The signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, the second resistance as the equipment under test Fill in desired value;Or, wherein, the noiseless determining unit, specifically for determining equipment under test when offseting predeterminated position predetermined angle, In the case where interference signal antenna does not launch barrage jamming signal, the sensitive of the useful signal that useful signal antenna is launched is received Degree, as noiseless sensitivity corresponding with the predetermined angle;It is described to have interference determining unit, specifically for determining that the equipment under test is preset described in the skew predeterminated position successively During angle, in the case of each barrage jamming signal that the interference signal antenna transmission signal intensity gradually strengthens, institute is received Each sensitivity of the useful signal of useful signal antenna transmitting is stated, respectively has interference spirit as corresponding with the predetermined angle Sensitivity;The Clogging indicator determining unit, specifically for when with corresponding to the predetermined angle it is described have interference sensitivity compared with The noiseless sensitivity corresponding to the predetermined angle, it is reduced to the default threshold of sensitivity corresponding with the predetermined angle When, the signal intensity of the barrage jamming signal that the interference signal antenna is currently launched is determined, as the equipment under test inclined Move Clogging indicator value during predetermined angle described in the predeterminated position;Or, wherein, the noiseless determining unit, specifically for determining equipment under test when offseting predeterminated position predetermined angle, In the case where interference signal antenna does not launch barrage jamming signal, the first polarization useful signal antenna transmitting of omnidirectional is received The sensitivity of the first useful signal, as the first noiseless sensitivity corresponding with the predetermined angle;And/orDetermine that equipment under test when offseting predeterminated position predetermined angle, does not launch the feelings of barrage jamming signal in interference signal antenna Under condition, receive the sensitivity of second of useful signal of second of omnidirectional polarization useful signal antenna transmitting, as with it is described pre- If the second noiseless sensitivity corresponding to angle, it is described the first polarization useful signal antenna polarisation angles with described second The polarisation angles of polarization useful signal antenna differ 90 degree;It is described to have interference determining unit, specifically for determining that the equipment under test is preset described in the skew predeterminated position successively During angle, in the case of each barrage jamming signal that the interference signal antenna transmission signal intensity gradually strengthens, institute is received Each sensitivity of the first useful signal of the first polarization useful signal antenna transmitting of omnidirectional is stated, is preset as with described Each first has interference sensitivity corresponding to angle;And/orDetermine that the equipment under test when offseting predetermined angle described in the predeterminated position, is sent out in the interference signal antenna successively In the case of penetrating each barrage jamming signal that signal intensity gradually strengthens, described second of polarization useful signal antenna of omnidirectional is received Each sensitivity of second of useful signal of transmitting, there is interference sensitive as corresponding with the predetermined angle each second Degree;The Clogging indicator determining unit, there is interference sensitivity phase specifically for working as corresponding with the predetermined angle described first The first noiseless sensitivity more corresponding than with the predetermined angle, it is default to be reduced to corresponding with the predetermined angle first During the threshold of sensitivity, the signal intensity for the barrage jamming signal that the interference signal antenna is currently launched is determined, as the quilt First Clogging indicator value of the measurement equipment when offseting predetermined angle described in the predeterminated position;And/orWhen compared with corresponding to the predetermined angle described second has interference sensitivity corresponding with the predetermined angle described Two noiseless sensitivity, when being reduced to corresponding with the predetermined angle second default threshold of sensitivity, determine the interference letter The signal intensity for the barrage jamming signal that number antenna is currently launched, offset as the equipment under test described in the predeterminated position The second Clogging indicator value during predetermined angle.
- 6. device as claimed in claim 5, it is characterised in that the Clogging indicator determining unit, be additionally operable to using following public Formula determines the total blockage desired value of the equipment under test:<mrow> <mi>T</mi> <mi>I</mi> <mi>B</mi> <mo>=</mo> <mfrac> <mrow> <mn>2</mn> <mi>N</mi> <mi>M</mi> </mrow> <mrow> <mi>&pi;</mi> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mrow> <mi>N</mi> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <munderover> <mo>&Sigma;</mo> <mrow> <mi>j</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow> <mi>M</mi> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <mo>&lsqb;</mo> <mfrac> <mn>1</mn> <mrow> <msub> <mi>EIB</mi> <mi>&theta;</mi> </msub> <mrow> <mo>(</mo> <msub> <mi>&theta;</mi> <mi>i</mi> </msub> <mo>,</mo> <msub> <mi>&phi;</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> </mrow> </mfrac> <mo>+</mo> <mfrac> <mn>1</mn> <mrow> <msub> <mi>EIB</mi> <mi>&phi;</mi> </msub> <mrow> <mo>(</mo> <msub> <mi>&theta;</mi> <mi>i</mi> </msub> <mo>,</mo> <msub> <mi>&phi;</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> </mrow> </mfrac> <mo>&rsqb;</mo> <mi>s</mi> <mi>i</mi> <mi>n</mi> <mrow> <mo>(</mo> <msub> <mi>&theta;</mi> <mi>i</mi> </msub> <mo>)</mo> </mrow> </mrow> </mfrac> <mo>;</mo> </mrow>Wherein, TIB is the total blockage desired value of the equipment under test;EIBθ(θi,φj) for the equipment under test in the angle that vertical direction offsets the predeterminated position it is θiAnd horizontal direction is inclined The angle for moving the predeterminated position is φjWhen the first Clogging indicator value;EIBφ(θi,φj) for the equipment under test in the angle that vertical direction offsets the predeterminated position it is θiAnd horizontal direction is inclined The angle for moving the predeterminated position is φjWhen the second Clogging indicator value;N is the quantity for the angle that default vertical direction offsets the predeterminated position;M is the quantity for the angle that default horizontal direction offsets the predeterminated position.
- 7. device as claimed in claim 5, it is characterised in that also include:Schematic diagram generation unit, for generating the first Clogging indicator schematic three dimensional views of the equipment under test under spherical coordinates, Wherein, the sensing of a coordinate points to origin represents that the equipment under test offsets the angle of the predeterminated position in the spherical coordinates, The coordinate points represent that the obstruction of first when offseting described predeterminated position angle of the equipment under test refers to the distance of origin Scale value;And/orThe second Clogging indicator schematic three dimensional views of the equipment under test under spherical coordinates are generated, wherein, one in the spherical coordinates The sensing of individual coordinate points to origin represents that the equipment under test offsets the angle of the predeterminated position, the distance of the coordinate points to origin Represent the second Clogging indicator value when offseting described predeterminated position angle of the equipment under test.
- A kind of 8. test equipment, it is characterised in that including:Such as any described devices of claim 5-7.
- A kind of 9. Clogging indicator test system, it is characterised in that including:Test equipment as claimed in claim 8, useful signal Generating means, interference signal generating means, the useful signal generating means include the useful signal antenna, the interference letter Number generating means include the interference signal antenna, wherein:The useful signal generating means, for generating and launching useful signal by the useful signal antenna;The interference signal generating means, for generating and launching barrage jamming signal by the interference signal antenna;The test equipment, for controlling the useful signal generating means transmitting useful signal, and the control interference letter Number generating means transmitting barrage jamming signal.
- 10. system as claimed in claim 9, it is characterised in that also include:The antenna change-over switch being respectively connected with the useful signal antenna and the interference signal antenna;The test equipment, it is additionally operable to, by the antenna change-over switch, control the switching of the useful signal antenna, Yi Jisuo State the switching of interference signal antenna.
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2539727B (en) | 2015-06-25 | 2021-05-12 | Airspan Ip Holdco Llc | A configurable antenna and method of operating such a configurable antenna |
EP3314963B1 (en) * | 2015-06-25 | 2019-04-24 | Airspan Networks Inc. | Managing external interference in a wireless network |
CN107566057A (en) * | 2017-09-15 | 2018-01-09 | 深圳市通用测试系统有限公司 | The fast diagnosis method and system of wireless terminal |
CN108847903A (en) * | 2018-06-19 | 2018-11-20 | Oppo广东移动通信有限公司 | Electronic equipment receiving sensitivity test macro, method and apparatus |
CN109150330B (en) * | 2018-07-16 | 2021-08-31 | 深圳天祥质量技术服务有限公司 | Method, device, equipment and storage medium for testing blocking performance of wireless receiver |
CN110769434A (en) * | 2018-07-25 | 2020-02-07 | 普天信息技术有限公司 | LTE base station blocking performance test method and system |
CN111970727A (en) * | 2020-07-15 | 2020-11-20 | 国家无线电监测中心检测中心 | NB-IoT base station blocking test system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101009902A (en) * | 2007-01-23 | 2007-08-01 | 北京北方烽火科技有限公司 | An independent test method for middle RF unit of the frequent spread receiver |
CN101335973A (en) * | 2008-05-23 | 2008-12-31 | 中兴通讯股份有限公司 | Anti-blocking interference protection method for wireless base station |
CN102130740A (en) * | 2010-01-19 | 2011-07-20 | 中兴通讯股份有限公司 | Test method and device of total isotropic sensitivity (TIS) in multi-antenna multi-input multi-output (MIMO) system |
CN102571239A (en) * | 2012-01-13 | 2012-07-11 | 中兴通讯股份有限公司 | Test system for radio frequency index |
CN102736567A (en) * | 2011-04-11 | 2012-10-17 | 中国移动通信集团公司 | Method and system for centralized test control |
US8331869B2 (en) * | 2006-07-24 | 2012-12-11 | Ets Lindgren, L.P. | Systems and methods for over the air performance testing of wireless devices with multiple antennas |
CN202679376U (en) * | 2012-03-14 | 2013-01-16 | 华为技术有限公司 | Interference signal detection system and antenna |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102547803A (en) * | 2012-01-30 | 2012-07-04 | 中兴通讯股份有限公司 | System, method and multiplexer for testing radio frequency for base station |
CN102695184B (en) * | 2012-05-22 | 2015-04-01 | 大唐移动通信设备有限公司 | Base station testing system and method |
-
2013
- 2013-06-25 CN CN201310256311.XA patent/CN104254089B/en active Active
-
2014
- 2014-06-24 WO PCT/CN2014/080555 patent/WO2014206260A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8331869B2 (en) * | 2006-07-24 | 2012-12-11 | Ets Lindgren, L.P. | Systems and methods for over the air performance testing of wireless devices with multiple antennas |
CN101009902A (en) * | 2007-01-23 | 2007-08-01 | 北京北方烽火科技有限公司 | An independent test method for middle RF unit of the frequent spread receiver |
CN101335973A (en) * | 2008-05-23 | 2008-12-31 | 中兴通讯股份有限公司 | Anti-blocking interference protection method for wireless base station |
CN102130740A (en) * | 2010-01-19 | 2011-07-20 | 中兴通讯股份有限公司 | Test method and device of total isotropic sensitivity (TIS) in multi-antenna multi-input multi-output (MIMO) system |
CN102736567A (en) * | 2011-04-11 | 2012-10-17 | 中国移动通信集团公司 | Method and system for centralized test control |
CN102571239A (en) * | 2012-01-13 | 2012-07-11 | 中兴通讯股份有限公司 | Test system for radio frequency index |
CN202679376U (en) * | 2012-03-14 | 2013-01-16 | 华为技术有限公司 | Interference signal detection system and antenna |
Non-Patent Citations (2)
Title |
---|
3rd Generation Partnership Project;Technical Specification Group Radio Access Network;Evolved Universal Terrestrial Radio Access (E-UTRA);Base Station (BS) conformance testing(Release 11);3GPP;《3GPP TS 36.141 V11.4.0 (2013-03)》;20130331;全文 * |
Test Plan for Mobile Station Over the Air performance;CITA;《CTIA certification》;20110131;全文 * |
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