CN107896377A - A kind of detecting system of blocking performance - Google Patents
A kind of detecting system of blocking performance Download PDFInfo
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- CN107896377A CN107896377A CN201711084055.5A CN201711084055A CN107896377A CN 107896377 A CN107896377 A CN 107896377A CN 201711084055 A CN201711084055 A CN 201711084055A CN 107896377 A CN107896377 A CN 107896377A
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Classifications
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
Abstract
The present embodiments relate to wireless communication field, discloses a kind of detecting system of blocking performance.Detecting system in the present invention, including：Switch arrays, comprehensive test instrument, block signal source, equipment under test and control device；Switch arrays are connected with comprehensive test instrument, block signal source and equipment under test respectively, and the control device is connected with the comprehensive test instrument, the block signal source and the equipment under test respectively；The comprehensive test instrument is transmitted the network signal of generation to switch arrays using default frequency range under the control of control device；Control device determines whether equipment under test is qualified using the blocking performance of default UHF band reception network signal according to N number of data packet error rate of determination.Present embodiment so that the blocking performance of wireless device can be rapidly and accurately detected in the case where obstruction disturbs, it is simple to operate, the cost of detection is reduced, improves detection efficiency.
Description
Technical field
The present embodiments relate to wireless communication field, more particularly to a kind of detecting system of blocking performance.
Background technology
Wireless Fidelity (Wireless Fidelity, referred to as " wifi "), it is that a kind of permission electronic equipment is connected to a nothing
The technology of line LAN (WLAN), belong in office and family a kind of short-distance wireless communication technology applied, be one
Wireless network communication technique based on IEEE802.11 series standards.Bluetooth (Bluetooth, referred to as " BT ") is that a kind of support is set
The radiotechnics of standby short haul connection (in general 10 meters), can be including mobile phone, PDA, wireless headset, notebook electricity
Wireless messages exchange is carried out between numerous equipment such as brain, related peripherals.Using Bluetooth technology, it can effectively simplify mobile communication
Communication between terminal device.Bluetooth uses distributed network structure and fast frequency hopping and short packet technology, supports point-to-point communication
And point-to-points communication, it is operated in the 2.4GHz of global general-use ISM of the U.S. (The Institute for
Supply Management, referred to as " ISM ") frequency range.
With the development of Internet technology, bluetooth and Wireless LAN Equipments have obtained widely in people live
Using.Bluetooth and Wireless LAN Equipments are divided into two kinds, and respectively signal transmitting product and signal receives product, and generally in day
Often in life, people use the signal of bluetooth and WLAN to receive product.Usual signal receives the obstructive of product
Can be measuring for the ability that weighing device receives useful signal on its working channel.People are using bluetooth and WLAN
It is inevasible to be disturbed by various types of signal when product, when bluetooth and Wireless LAN Equipments are receiving other
During the garbage signal of type and frequency range, the communication port of bluetooth and Wireless LAN Equipments can be caused to block, it is dry to form obstruction
Disturb, have impact on the sensitivity for receiving product.When obstruction interference refers to receiving faint useful signal, by receives frequency both sides
The interference of a high reject signal in radio circuit band, referred to as obstruction interference.Inventor is had found in the prior art at least in the presence of as follows
Problem：During carrying out obstruction Interference Detection to reception product at present, when changing different interference environments every time, test equipment needs
Building for test environment is re-started, so that building complexity, testing cost is high, and the operating procedure of detection is complicated, so as to
Cause detection speed slow.
The content of the invention
The purpose of embodiment of the present invention is to provide a kind of detecting system of blocking performance so that can in the case where obstruction disturbs
It is simple to operate rapidly and accurately to detect the blocking performance of wireless device, the cost of detection is reduced, improves detection efficiency.
In order to solve the above technical problems, embodiments of the present invention provide a kind of detecting system of blocking performance, including：
Switch arrays, comprehensive test instrument, block signal source, equipment under test and control device；Switch arrays respectively with comprehensive test instrument, block signal source and
Equipment under test connect, for by the comprehensive test instrument, the block signal source and the equipment under test connect, the control device respectively with this
Comprehensive test instrument, the block signal source and equipment under test connection；The comprehensive test instrument is under the control of control device using default frequency range
The network signal of generation is transmitted to switch arrays, wherein, the network signal includes the packet of setting number；Block signal source according to
Each frequency values in the secondary set according to predeterminated frequency generate N number of first block signal, and N is the integer more than 1；For N number of
Each of first block signal, the switch arrays simultaneous transmission network signal and first block signal are to equipment under test, quilt
Measurement equipment this preset frequency range obtain switch arrays transmission by the first block signal disturb network signal, control device is according to quilt
The number and setting number of the packet that the network signal of first block signal interference includes determine the packet of equipment under test
Error rate；Control device determines equipment under test using default UHF band reception network signal according to N number of data packet error rate of determination
Blocking performance it is whether qualified.
Embodiment of the present invention in terms of existing technologies, when carrying out blocking performance test to equipment under test, switchs
Battle array connects with comprehensive test instrument, block signal source and equipment under test respectively, is easy to quickly simulate equipment under test reception network signal
And block signal；Control device is connected with comprehensive test instrument, block signal source and equipment under test respectively, is easy to enter to equipment under test
Control when row blocking performance is tested to comprehensive test instrument, block signal source and equipment under test, each set is set without people manually
It is standby to obtain parameter or manually opened each equipment, so as to accelerate the speed that blocking performance test is carried out to equipment under test, meanwhile,
By the way that comprehensive test instrument, block signal source and equipment under test are connected, when changing environment, without building test environment again.
When carrying out blocking test, comprehensive test instrument is transmitted the network signal of generation to switch using default frequency range under the control of control device
Battle array, the working frequency range of different network signals is different, by the setting to frequency range, can switch different network signals, to quilt
The blocking performance that measurement equipment receives the network signal of different frequency range is detected.Block signal source is successively according to predeterminated frequency set
In each frequency values generate N number of first block signal, determine the data packet error rate of N number of frequency, control device is more true
Fixed N number of data packet error rate, determine whether the equipment under test is qualified using the blocking performance of default UHF band reception network signal,
Due to there is provided multiple frequencies, adding the foundation of judgement so as to equipment under test using default UHF band reception network signal
Obstructive judgement is more accurate.
In addition, switch arrays include：Network signal input interface, block signal input interface, the first detection interface and transfer
Interface；Network signal input interface, block signal input interface and the first detection interface are connected with middle converting interface respectively, its
In, the output interface connection of network signal input interface and comprehensive test instrument, the output in block signal input interface and block signal source
Mouth connection, the first detection interface are connected with equipment under test.Network signal input interface, block signal input in switch arrays connect
Mouth, the first detection interface are connected by middle converting interface so that any one interface of switch arrays can receive others and connect
The signal of port transmission, easily facilitate the test environment of simulation blocking performance.
In addition, comprehensive test instrument generates network signal according to the first performance number, wherein, the first performance number is that comprehensive test instrument generates network
The minimal power values of signal and predetermined power value sum, minimal power values meet：In comprehensive test instrument network is generated according to minimum power
In the case of signal, equipment under test uses the data packet error rate of default UHF band reception network signal within a preset range.Due to
In practice, caused network signal and minimal power values have certain deviation, and therefore, in test, the first performance number is comprehensive
Survey minimal power values and the predetermined power value sum of instrument generation network signal so that the network signal of generation closer to reality,
Enhance the accuracy of test.
In addition, detecting system also includes：Frequency spectrograph；Switch arrays also include the second detection interface, the second detection interface and frequency
Spectrometer connects, and frequency spectrograph passes through the second detection interface network signal；The frequency range that frequency spectrograph detection network signal uses
The center frequency value of channel, and the center frequency value detected is sent to control device；During control device is according to receiving
Frequency of heart value, control comprehensive test instrument adjust the center frequency value of the channel of currently employed default frequency range.Can be real by frequency spectrograph
When monitor default frequency range channel center frequency value, so as to adjust the center of the channel of currently employed default frequency range frequency
Rate value, it is ensured that the center frequency value of the channel of currently employed default frequency range is not in deviation, further ensure that test
Accuracy.
In addition, each line loss value of the control device in the first line loss set determines the network that comprehensive test instrument generates each time
The performance number of signal.Because signal is in transmission, line loss be present, in test, according to each line loss in the first line loss set
Value determines the performance number for the network signal that comprehensive test instrument generates each time, it is ensured that the accuracy of test.
In addition, the first line loss set is：In the first detection interface connection of frequency spectrograph and switch arrays, block signal source is with opening
Guan Zhen network signal input interface connection, block signal input interface and the second detection interface carry out the situation of anti-tampering processing
Under, block signal source is detected according to the block signal of the center frequency value generation of each preset channel of default frequency range first
The set for the line loss value transmitted between interface and network signal input interface.The first detection interface and the frequency spectrograph of switch arrays connect
Connect, can quickly detect the line loss for the signal that current spectral instrument receives, in addition, when calculating the first line loss set, it is right
The block signal input interface of switch arrays and the second detection interface carry out anti-tampering processing, enhance and determine the first line loss set
Accuracy.
In addition, detecting system also includes：Screened room；Switch arrays, comprehensive test instrument, block signal source, equipment under test, control device
It is placed on the frequency spectrograph in screened room.The detection of blocking performance is carried out in screened room, it is therefore prevented that wireless existing for the external world
Signal disturbs to caused by equipment under test.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The bright restriction not formed to embodiment, the element for having same reference numbers label in accompanying drawing are expressed as similar element, removed
Non- have a special statement, and composition does not limit the figure in accompanying drawing.
Fig. 1 is according to a kind of concrete structure schematic diagram of the detecting system of blocking performance in first embodiment of the invention；
Fig. 2 is specifically tied comprising switch arrays according to a kind of detecting system of blocking performance in first embodiment of the invention
The connection diagram of structure.
Fig. 3 is according to a kind of concrete structure schematic diagram of the detecting system of blocking performance in second embodiment of the invention；
Fig. 4 is according to obtaining the first line loss set in a kind of detecting system of blocking performance in third embodiment of the invention
Specific attachment structure schematic diagram；
Fig. 5 is according to obtaining the second line loss set in a kind of detecting system of blocking performance in third embodiment of the invention
Specific attachment structure schematic diagram.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, in order that reader more fully understands the application and proposes many ins and outs.But even if without these ins and outs
With many variations based on following embodiment and modification, the application technical scheme claimed can also be realized.
The first embodiment of the present invention is related to a kind of detecting system 10 of blocking performance.The detecting system 10 includes：Open
Close battle array 101, comprehensive test instrument 102, block signal source 103, equipment under test 104 and control device 105, the specific attachment structure of the system
As shown in Figure 1.
Switch arrays 101 are connected with comprehensive test instrument 102, block signal source 103 and equipment under test 104 respectively, for this is comprehensive
Survey instrument 102, the block signal source 103 and the equipment under test 104 connect, the control device 105 respectively with the comprehensive test instrument 102,
The block signal source 103 and the equipment under test 104 connect.
Preferably, switch arrays 101 include：Network signal input interface 1011, block signal input interface 1012, first are examined
Survey interface 1013 and middle converting interface 1014；The structured flowchart of specific switch arrays 101 is as shown in Figure 2.
Network signal input interface 1011, the block signal input interface 1012 and the first detection interface 1013 are distinguished
It is connected with middle converting interface 1014, wherein, network signal input interface 1011 is connected with the output interface of comprehensive test instrument 102, the obstruction
Signal input interface 1012 is connected with the delivery outlet in block signal source 103, and the first detection interface 1013 connects with equipment under test 104
Connect.
Specifically, the inside of middle converting interface 1014 can be a flexible PCB, and converting interface 1014 can set 3 in this
The individual or interface of more than 3, illustrated so that the number of interface is 3 as an example in present embodiment, 3 interfaces all access same
On flexible PCB.And the network signal input interface 1011 of switch arrays 101, the block signal input interface 1012 and this
One detection interface 1013 is connected with 3 interfaces of middle converting interface 1014 respectively, and network signal input interface 1011 and comprehensive test instrument
102 output interface connection, the block signal input interface 1012 be connected with the output interface in block signal source 103, this first
Detection interface 1013 is connected with equipment under test 104, it is achieved thereby that comprehensive test instrument 102, block signal source 103 and equipment under test
Connection between 104.That is, if (network signal input interface 1011, block signal are defeated for three interfaces of switch arrays 101
Incoming interface 1012, first detects interface 1013) do not do anti-tampering processing, then any one interface can be received from it
The signal of his two interface transmission, for example, it is assumed that the reception signal A of network signal input interface 1011 of switch arrays 101, obstruction letter
Number input interface 1012 reception signal B, the first detection interface 1013 reception signal C, then after the T1 times, network signal input
The signal that interface 1011 receives is by signal A, signal B and tri- kinds of signals of signal C.Control device 105 can pass through with comprehensive test instrument 102
Netting twine connects, if the communication interface quantity of control device 105 is few, can increase an interchanger, control device 102 passes through exchange
Machine is connected with comprehensive test instrument, block signal source 103 and equipment under test 104 respectively.
Control device 102 can be computer, and comprehensive test instrument 102 can be radio communication comprehensive test instrument, there is provided various network signals
(for example, BT signals or wifi signals), the working frequency range of each network signal is different, for example, wifi is operated in 2.4GHz
Or 5GHz ISM band, bluetooth are operated in 2.4GHz ISM band.
In order to make it easy to understand, below for equipment under test 104 receive 2.4GHz wifi signals blocking performance test into
Row illustrates：
Comprehensive test instrument 102 is transmitted the network signal of generation to switch using default frequency range under the control of control device 105
Battle array 101, wherein, the network signal includes the packet of setting number.
Specifically, the ISM band that frequency range is 2.4GHz is preset, the frequency range has divided multiple channels (as China is divided into
13 channels, Europe are divided into 14 channels), the standards of wifi signals have it is a variety of (e.g., IEEE802.11a, IEEE802.11b,
IEEE802.11g etc.), present embodiment chooses 2 channels (e.g., 2412MHz and 2472MHz), chooses 3 signaling modes (such as：
IEEE802.11b, IEEE802.11g, IEEE802.11n20) tested.Control device 105 controls comprehensive test instrument 102 according to pre-
If requirement generation wifi signals, the center frequency value of channel for such as setting comprehensive test instrument 102 is 2412MHz, and standard is
IEEE802.11b, generation power are traditionally arranged to be -40dBm, and set compensation line loss value, and set mode of operation as access
Point ap mode, comprising packet be 1000 etc..
Limit for example, not formed to technical scheme it should be noted that these are only, actually should
In, those skilled in the art can be as needed, sets suitable requirement, is not limited herein.
After the setting to comprehensive test instrument 102 is completed, control device 105 controls the opening signal of comprehensive test instrument 102 generation switch, quilt
Measurement equipment 104 receives the wifi signals of the generation of comprehensive test instrument 102 by switch arrays 101.Equipment under test 104 receives wifi signals
Afterwards, it is necessary to control equipment under test 104 to open wifi, the network that access comprehensive test instrument 102 is simulated.
In one possible embodiment, control device 105 controls comprehensive test instrument 102 according to the first performance number generation network letter
Number, wherein, the first performance number generates the minimal power values and predetermined power value sum of network signal, the minimum power for comprehensive test instrument
Value meets：In the case where comprehensive test instrument 102 generates network signal according to minimum power, equipment under test 104 is connect using default frequency range
Receive the data packet error rate of network signal within a preset range.
Specifically, the number and hair for the packet that control device 105 is received by constantly obtaining equipment under test 104
The number of bag, the performance number that wifi signals are generated to comprehensive test instrument 102 are adjusted so that comprehensive test instrument is according to minimal power values Pmin
In the case of generating wifi signals, equipment under test 104 is using the data packet error rate of default UHF band reception network signal default
In the range of.Determine minimal power values PminAfterwards, you can according to the formula of the first performance number, determine the first performance number.Wherein,
The formula of first performance number is：First performance number=minimal power values+predetermined power value；
The formula of data packet error rate is：
It should be noted that herein described predetermined power value and the preset range of data packet error rate be specifically according to
Generate the requirement setting of the manufacturer of equipment under test.For example, predetermined power value is 6dBm, the preset range S of data packet error rate
For:0<S<10%.
Block signal source 103 generates N number of first block signal according to each frequency values in predeterminated frequency set successively,
N is the integer more than 1.
Specifically, the number of the frequency values included in predeterminated frequency set can be set according to actual conditions, for example, in advance
If including 9 frequency values in frequency sets, respectively 2300MHz, 2330MHz, 2360MHz, 2523.5MHz, 2553.5MHz,
2583.5MHz、2613.5MHz、2643.5MHz、2673.5MHz.Block signal source 103 is according to every in the predeterminated frequency set
One frequency values generates N number of first block signal.Block signal source 103 is set to generate the parameters of the first block signal, example
Such as, the frequency of the first block signal is 2380MHz, and generation performance number is -53dBm, and the compensating line under 2380MHz frequencies
Damage value, signal waveform are continuous wave CW signals.
For each of N number of first block signal, the simultaneous transmission of switch arrays 101 network signal and first obstruction
Signal to equipment under test 104, equipment under test 104 presets being done by the first block signal for the frequency range acquisition transmission of switch arrays 101 at this
The wifi signals disturbed, the number of the packet that control device 105 includes according to the wifi signals disturbed by the first block signal with
And setting number determines the data packet error rate of equipment under test 104.
Specifically, the packet of setting number is included in each first block signal, with setting in present embodiment
Exemplified by number is 1000, equipment under test 104 is disturbed by the first block signal, caused while wifi signals are received
The situation of received data packet failure, the packet number that statistics equipment under test 104 receives, you can determine equipment under test occurs
104 data packet error rate, for example, including 1000 packets in the first block signal, equipment under test 104 is in first obstruction
Under the interference of signal, the packet number received is 970, then data packet error rate is 3%.
Control device 105 determines equipment under test 104 using default UHF band reception according to N number of data packet error rate of determination
Whether the blocking performance of network signal is qualified.
Specifically, control device 105 judges that N number of data packet error rate is according to the N number of data packet error rate determined
It is no that all in preset range, (consistent with above-mentioned preset range, i.e. preset range S is:0<S<10%) in, if, it is determined that it is tested
The blocking performance for the wifi signals that equipment 104 is received using 2.4GHz ISM band is qualified.If there is a packet Packet Error Ratio not
Within a preset range, it is determined that the blocking performance for the wifi signals that equipment under test 104 is received using 2.4GHz ISM band does not conform to
Lattice.Preset range herein is consistent with determining the preset range that minimum power uses.
In addition, it is worth mentioning at this point that above for 2.4GHz wifi signals test process, for 5GHz wifi signals
Test, its process is roughly the same with 2.4GHz wifi signal testing processes, differ only in comprehensive test instrument generation wifi signals
Setting and block signal source generate the first block signal setting it is different, will be briefly described 5GHz wifi signals below
The setting in comprehensive test instrument 102 and block signal source 103 in test process：
Present embodiment chooses 2 channels (e.g., 5180MHz and 5500MHz), chooses 3 signaling modes (such as：
IEEE802.11a, IEEE802.11n20, IEEE802.11ac20) tested.Control device 105 controls comprehensive test instrument 102 to press
Generation wifi signals are required according to default, the channel for such as setting comprehensive test instrument 102 be 5180MHz, standard IEEE802.11a, life
Success ratio values are traditionally arranged to be -40dBm, and set compensation line loss value, and it is access point ap mode to set mode of operation, comprising
Packet be 1000 etc..Certainly, it these are only and limited for example, not formed to technical scheme, in reality
In the application of border, those skilled in the art can be as needed, sets suitable requirement, is not limited herein.
Block signal source 103 generates N number of first block signal according to each frequency values in predeterminated frequency set, and N is big
The number of the frequency values included in 1 integer, predeterminated frequency set can be set according to actual conditions, for example, predeterminated frequency
4 frequency values, respectively 4900MHz, 5000MHz, 5100MHz, 5975MHz are included in set.In present embodiment, it will enumerate
Block signal source 103 generates the setting of a block signal, and the frequency values of such as the first block signal are 5100MHz, generates power
It is continuous wave CW signals to be worth for -53dBm, and the compensation line loss value under 5100MHz frequencies, signal waveform type.
Certainly, for the blocking performance test process of Bluetooth signal, the wifi signal testings process substantially phase with 2.4GHz
Together, differ only in comprehensive test instrument 102 and generate the setting of Bluetooth signal and setting for the first block signal of generation of block signal source 103
Difference is put, will be briefly described the setting in comprehensive test instrument 102 and block signal source 103 in the test process of Bluetooth signal below：
Specifically, bluetooth is operated in 2.4GHz ISM band, in the present embodiment, chooses 2 channels (e.g.,
2402MHz and 2480MHz), choose 3 signaling modes (such as：DH5,2DH5,3DH5) tested.Control device 105 controls comprehensive
Survey instrument 102 to require to generate Bluetooth signal according to default, the channel for such as setting comprehensive test instrument 102 be 2402MHz, standard DH5, life
Success ratio values are traditionally arranged to be -40dBm, and set compensation line loss value, comprising packet be 1000 etc..It is also, tested
Equipment 104 is arranged to reception pattern.
Certainly, it these are only and limited for example, not formed to technical scheme, in actual applications, this
The technical staff in field can be as needed, sets suitable requirement, is not limited herein.
Block signal source 103 generates N number of first block signal according to each frequency values in predeterminated frequency set, and N is big
The number of the frequency values included in 1 integer, predeterminated frequency set can be set according to actual conditions, for example, predeterminated frequency
4 frequency values, respectively 2380MHz, 2583.5MHz, 2300MHz, 2583.5MHz are included in set., will in present embodiment
The setting that block signal source 103 generates a block signal is enumerated, the frequency of such as the first block signal is 2380MHz, generates work(
Rate value is -57dBm, and the compensation line loss value under 2380MHz frequencies, and signal type is CW signals.
It should be noted that comprehensive test instrument 102 generates Bluetooth signal, the determination method of minimal power values according to the first performance number
Roughly the same with the determination process of the minimal power values of above-mentioned wifi signals, predetermined power value is set according to actual conditions, can be with
It is 6dBm or 12dBm, if for example, the power of the generation Bluetooth signal of equipment under test 104 is more than or equal to 0dBm, presets
Performance number is arranged to 6dBm, if the power of the generation Bluetooth signal of equipment under test 104 is less than 0dBm, predetermined power value is
0dBm。
The present invention it is relative with for prior art, when carrying out blocking performance test to equipment under test, switch arrays respectively with
Comprehensive test instrument, block signal source and equipment under test connection, it is easy to quickly simulate equipment under test and receive network signal and block to believe
Number；Control device is connected with comprehensive test instrument, block signal source and equipment under test respectively, is easy to obstructive to equipment under test progress
When can test, control comprehensive test instrument, block signal source and equipment under test, set manually without people each equipment obtain parameter or
Manually opened each equipment, so as to accelerate the speed that blocking performance test is carried out to equipment under test, meanwhile, by by comprehensive survey
Instrument, block signal source and equipment under test connection, when changing environment, without building test environment again.Carrying out obstruction survey
During examination, comprehensive test instrument is transmitted the network signal of generation to switch arrays using default frequency range under the control of control device, different
The working frequency range of network signal is different, by the setting to frequency range, can switch different network signals, to equipment under test not
Same network signal is detected.Block signal source is successively according to each frequency values generation N number of the in predeterminated frequency set
One block signal, the data packet error rate of N number of frequency is determined, control device has more the N number of data packet error rate determined, it is determined that should
Whether equipment under test is qualified using the blocking performance of default UHF band reception network signal, due to there is provided multiple frequencies, adding
The foundation of judgement so that more accurate using the obstructive judgement of default UHF band reception network signal to equipment under test.
Second embodiment of the present invention is related to a kind of detecting system of blocking performance.Second embodiment is the first implementation
The further improvement of mode, is mainly theed improvement is that：In second embodiment of the invention, detecting system 10 also includes：Frequently
Spectrometer 106, the specific attachment structure of detecting system are as shown in Figure 3.
Switch arrays 101 also include the second detection interface 1015, and the second detection interface 1015 is connected with frequency spectrograph 106, frequency
Spectrometer 106 receives network signal by the second detection interface 1015.
Specifically, frequency spectrograph 106 is connected with the second detection interface 1015 of the switch arrays 101, due to connecing for interchanger
Mouth number is more, and the control device 105 can be connected by interchanger with frequency spectrograph 106, so that control device 105 can obtain frequency
106 data of spectrometer, or control the frequency spectrograph 106.
Frequency spectrograph 106 detects the center frequency value of the channel for the frequency range that network signal uses, and by the center detected frequently
Rate value is sent to control device 105；Control device 105 adjusts currently according to the center frequency value received, control comprehensive test instrument 102
The center frequency value of the channel of the default frequency range used.
Specifically, when carrying out blocking performance test to equipment under test 104, the frequency of frequency spectrograph detection network signal use
The center frequency value of the channel of section.The center frequency of the channel for the network signal that the real-time reception frequency spectrograph of control device 105 uploads
Rate value, compared with the center frequency value for the channel that comprehensive test instrument is set, if the centre frequency for the channel that control device receives
Value and the frequency values deviation set are larger, then control device control comprehensive test instrument 102 adjusts the center for the channel that current frequency range uses
Frequency values.For example, it is assumed that equipment under test 104 is received in the blocking performance test of 2.4GHz wifi signals, comprehensive test instrument 102 is set
The center frequency value of channel that uses of wifi signals for 2412MHz (2412MHz is the centre frequency of channel 1), starting to survey
During examination, the center frequency value that frequency spectrograph 106 detects the channel of the wifi signals is that (2412MHz is the center of channel 2 to 2417MHz
Frequency), control device 105 detects that center frequency value has not been the center frequency value of channel 1, then control device 105 controls
Comprehensive test instrument adjusts the center frequency value of channel to 2412MHz.
Preferably, the detecting system also includes：Screened room (does not mark) in figure, switch arrays 101, comprehensive test instrument 102, obstruction letter
Number source 103, equipment under test 104, control device 105 and frequency spectrograph 106 are placed in screened room.Carried out in screened room obstructive
The detection of energy, it is therefore prevented that wireless signal existing for the external world disturbs to caused by equipment under test.
The detecting system for the blocking performance that present embodiment provides, when carrying out blocking performance detection, frequency spectrograph is examined in real time
The center frequency value of the channel for the frequency range that current network signal uses is surveyed, and the center frequency value of detection is sent to control and set
It is standby, so as to which control device can control the center frequency value of the channel of the currently employed default frequency range of comprehensive test instrument adjustment, it is ensured that when
The center frequency value of the channel of the frequency range of preceding use is not in deviation, further ensure that the accuracy of test.
Third embodiment of the invention is related to a kind of detecting system 10 of blocking performance, and present embodiment is implemented to second
The further improvement of mode, is mainly theed improvement is that：In present embodiment, control device 105 is according in the first line loss set
Each line loss value determine the performance number for the network signal that comprehensive test instrument 102 generates each time, and control comprehensive test instrument according to determination
The performance number generation network signal of network signal.Control device 105 determines always according to each line loss value in the second line loss set
The performance number for the first block signal that block signal source 103 generates each time, and block signal source is controlled according to described in determination
The performance number of first block signal generates first block signal.
Specifically, because signal has line loss in the transmission, therefore, the network signal that comprehensive test instrument 102 generates each time
Performance number be equal to default performance number and the first line loss value sum, for example, it is assumed that under 2412MHz frequencies, comprehensive test instrument 102 is given birth to
Predetermined power value into network signal is PminDBm, the first line loss value are FdBm, then control device 104 is believed according to generation network
Number predetermined power value and the first line loss value, determine under 2412MHz frequencies, the comprehensive test instrument generation network signal power
It is worth for (Pmin+F)dBm。
Preferably, the first line loss set is：It is connected, hinders with the first detection interface 1013 of switch arrays 101 in frequency spectrograph 106
Plug signal source 103 is connected with the network signal input interface of switch arrays 101, and the detection of block signal input interface 1012 and second connects
In the case of mouthful carrying out anti-tampering processing, block signal source 103 according to each preset channel of default frequency range center frequency value
The block signal of generation, the set for the line loss value transmitted between the first detection interface and network signal input interface.Obtain the
The specific connected mode of one line loss set is as shown in Figure 4.
Specifically, in screened room (not marked in figure), by frequency spectrograph 106 and the first detection interface of switch arrays 101
Connection, block signal source 103 are connected with the network signal input interface of switch arrays 101, and the block signal of switch arrays 101 inputs
The detection interface 1015 of interface 1012 and second carries out anti-tampering processing, and (anti-tampering processing such as, in interface connects one 50 ohm
Matching impedance；Or block signal source of one closed mode of connection etc.).
In order to understand conveniently, elder generation is specifically described by taking the wifi signals using 2.4GHz as an example below：
According to test needs, control device 105 carries out parameters setting to block signal source 103, sets emissive porwer
For 0dBm, type of waveform is continuous wave (CW) signal, and sets the performance number of generation wifi signals.Equally, control device 105 is right
Frequency spectrograph 106 will also carry out parameters setting, to set scan frequency width (SPAN) be 10M, amplitude (AMPT) be 40dBm,
Resolution bandwidth (RBW) is 1MHz, video bandwidth (VBW) is 1MHz etc., and other parameters then use the acquiescence of the frequency spectrograph 106
Parameter, without change.
In the detecting system using blocking performance to equipment under test using the obstructive of 2.4GHz UHF band reception wifi signals
Before being tested, control device 105 controls the opening signal generation switch of block signal source 103, clicks on peak value searching (Peak
Search) button, read and record result.The result of record is in test process, and block signal is in frequency spectrograph 106 to network
The line loss value transmitted between signal input interface, can be as network signal in follow-up progress block signal test process in comprehensive survey
Instrument (not marked in figure) is to the line loss value transmitted between equipment under test 104.
It should be noted that block signal source 103 also needs to the frequency values according to generation block signal, the default frequency range is
2.4GHz ISM band, wherein, the channel of use when preset channel is with carrying out blocking test should be identical, such as, it is obstructive
In energy test process, comprehensive test instrument chooses 2 channels, and the centre frequency of 2 channels is respectively 2412MHz and 2472MHz, then presets
The centre frequency of channel is respectively 2412MHz and 2472MHz.Using preset channel as 2 in present embodiment, and 2 channels
Center frequency value is respectively to be tested exemplified by 2412MHz and 2472MHz.It is by the set of frequency in block signal source 103 successively
2412MHz and 2472MHz, you can obtain set of the frequency spectrograph 106 to the line loss value between network signal input interface.
In addition, according to 5GHz wifi signals, the acquisition process of the first line loss set using 2.4GHz wifi with being believed
Number process is roughly the same, differs only in, and preset channel is different, for example, the centre frequency of each preset channel can be
5180MHz and 5500MHz.Equally, if Bluetooth signal, the acquisition process of the first line loss set using 2.4GHz wifi with being believed
Number process is also roughly the same, differs only in, and preset channel is different, for example, the centre frequency of each preset channel can be
2402MHz and 2480MHz.
Certainly, it these are only and limited for example, not formed to technical scheme, in actual applications, this
The technical staff in field can obtain the first line loss set according to being actually needed.
Preferably, the second line loss collection is combined into：It is connected in frequency spectrograph 106 with the first detection interface of switch arrays 101, obstruction letter
Number input interface is connected with block signal source 103, and network signal input interface and the second detection interface carry out anti-tampering processing
In the case of, according to the signal of each frequency values generation in predeterminated frequency set, interface is detected first successively for block signal source 103
The set for the line loss value transmitted between block signal input interface.Obtain specific connected mode such as Fig. 5 of the second line loss set
It is shown.
Specifically in screened room, switch arrays 101, comprehensive test instrument 102, block signal source 103, control device 105 and frequency
Spectrometer 106 connects according to mode as shown in Figure 5, and in the present embodiment, networking input interface is in pass for one using connection
The comprehensive test instrument 102 of closed state is used as anti-tampering processing.And the acquisition modes of the second line loss set and the acquisition of the first line loss set
Mode is roughly the same, by taking the wifi signals using 2.4GHz as an example, such as, control device 105 is carried out respectively to block signal source 103
Item parameter setting, setting emissive porwer is 0dBm, and type of waveform is continuous wave (CW) signal, and sets the work(of generation wifi signals
Rate value.To the setting scan frequency width of frequency spectrograph 106 (SPAN) be 10M, amplitude (AMPT) is 40dBm, resolution bandwidth (RBW)
It is 1MHz etc. for 1MHz, video bandwidth (VBW), other parameters then use the default parameters of the frequency spectrograph 106, without change.
Obstruction in the detecting system using blocking performance to equipment under test 104 using 2.4GHz UHF band reception wifi signals
Before performance is tested, control device 105 controls the opening signal generation switch of block signal source 103, clicks on peak value searching
(Peak Search) button, reads and records result.The result of record is in test process, and block signal is in frequency spectrograph 106
To the line loss value transmitted between block signal input interface, block signal in follow-up progress block signal test process can be used as
The line loss value transmitted between block signal source 103 to equipment under test (not marked in figure).
Wherein, block signal source 103 generates the frequency of block signal successively according to each frequency in predeterminated frequency set
Value is set, and e.g., each frequency values in predeterminated frequency set can be：2380MHz, 2503.5MHz, 2300MHz,
2330MHz, 2360MHz, 2523.5MHz, 2553.5MHz, 2583.5MHz, 2613.5MHz, 2643.5MHz, 2673.5MHz.
According to each generation block signal in frequency spectrograph 106 to the line loss value transmitted between signal input interface, you can obtain frequency spectrum
The set for the line loss value that instrument 106 is arrived between block signal input interface.
In addition, according to 5GHz wifi signals, the acquisition process of the second line loss set using 2.4GHz wifi with being believed
Number process is roughly the same, differs only in, and predeterminated frequency set is different, for example, each frequency values can in predeterminated frequency set
To be respectively 5100MHz, 4900MHz, 5000MHz, 5975MHz.Equally, if Bluetooth signal, the acquisition of the first line loss set
Process is also roughly the same with using 2.4GHz wifi signal process, differs only in, and predeterminated frequency set is different, for example, often
Each frequency values is respectively 2380MHz, 2583.5MHz, 2300MHz, 2583.5MHz in one predeterminated frequency set.
Certainly, it these are only and limited for example, not formed to technical scheme, in actual applications, this
The technical staff in field can obtain the second line loss set according to being actually needed.
The detecting system for the blocking performance that present embodiment provides, because signal has line loss in transmitting procedure, is hindering
Before the detecting system of plug performance is tested using the blocking performance of default UHF band reception network signal equipment under test 104,
Obtain the first line loss set and the second line loss set.In blocking performance test process is carried out, control device is according to the first line loss
Each first line loss value in set determines the performance number of the network signal generated each time, and according to the second line loss collection
Each second line loss value in conjunction is determined to generate the performance number of the first block signal each time.It ensure that the network letter of generation
Number and block signal performance number it is accurate, ensure that to blocking performance detection accuracy.
It will be appreciated by those skilled in the art that realize that all or part of step in above-described embodiment method is to pass through
Program instructs the hardware of correlation to complete, and the program storage is in the storage medium, including some instructions are causing one
Individual equipment (can be single-chip microcomputer, chip etc.) or processor (processor) perform each embodiment methods described of the application
All or part of step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (9)
- A kind of 1. detecting system of blocking performance, it is characterised in that including：Switch arrays, comprehensive test instrument, block signal source, tested set Standby and control device；The switch arrays are connected with the comprehensive test instrument, block signal source and equipment under test respectively, for by the comprehensive test instrument, institute State block signal source and the equipment under test connection, the control device respectively with the comprehensive test instrument, the block signal source And the equipment under test connection；The comprehensive test instrument is transmitted the network signal of generation to the switch arrays using default frequency range under the control of control device, Wherein, the network signal includes the packet of setting number；The block signal source generates N number of first block signal according to each frequency values in predeterminated frequency set successively, and N is Integer more than 1；For each of N number of first block signal, network signal described in the switch arrays simultaneous transmission and described One block signal to the equipment under test, the equipment under test obtains the described of the switch arrays transmission in the default frequency range The network signal of first block signal interference, the control device are believed according to the network disturbed by first block signal The number of number packet included and the setting number determine the data packet error rate of the equipment under test；The control device determines that the equipment under test is connect using the default frequency range according to N number of data packet error rate of determination Whether the blocking performance for receiving the network signal is qualified.
- 2. the detecting system of blocking performance according to claim 1, it is characterised in that the switch arrays include：Network is believed Number input interface, block signal input interface, the first detection interface and middle converting interface；The network signal input interface, the block signal input interface and it is described first detection interface respectively with it is described in Converting interface connects, wherein, the network signal input interface is connected with the output interface of the comprehensive test instrument, and the block signal is defeated Incoming interface is connected with the delivery outlet in the block signal source, and the first detection interface is connected with the equipment under test.
- 3. the detecting system of blocking performance according to claim 2, it is characterised in that the comprehensive test instrument is according to the first performance number Generate the network signal, wherein, first performance number be the comprehensive test instrument generate the minimal power values of network signal with it is pre- If performance number sum, the minimal power values meet：In the case where the comprehensive test instrument generates network signal according to minimum power, The equipment under test uses the data packet error rate of network signal described in the default UHF band reception within a preset range.
- 4. the detecting system of the blocking performance according to Claims 2 or 3, it is characterised in that the detecting system also includes： Frequency spectrograph；The switch arrays also include the second detection interface, and the second detection interface is connected with the frequency spectrograph, the frequency spectrograph Pass through network signal described in the described second detection interface；The frequency spectrograph detects the center frequency value of the channel for the frequency range that the network signal uses, and by detect it is described in Frequency of heart value is sent to the control device；The control device controls the comprehensive test instrument to adjust currently employed described pre- according to the center frequency value received If the center frequency value of the channel of frequency range.
- 5. the detecting system of blocking performance according to claim 4, it is characterised in that the control device is according to First Line Each line loss value in damage set determines the performance number for the network signal that the comprehensive test instrument generates each time, and described in control Comprehensive test instrument generates the network signal according to the performance number of the network signal of determination.
- 6. the detecting system of blocking performance according to claim 5, it is characterised in that the first line loss set is： The frequency spectrograph is connected with the first detection interface of the switch arrays, the block signal source and the network signal of the switch arrays Input interface connects, in the case of the block signal input interface and the anti-tampering processing of the second detection interface progress, institute The block signal that block signal source generates according to the center frequency value of each preset channel of the default frequency range is stated, described the The set for the line loss value transmitted between one detection interface and the network signal input interface.
- 7. the detecting system of blocking performance according to claim 4, it is characterised in that the control device is according to the second line Each line loss value in damage set determines the performance number for first block signal that the block signal source generates each time, and The block signal source is controlled to generate first block signal according to the performance number of first block signal of determination.
- 8. the detecting system of blocking performance according to claim 7, it is characterised in that the second line loss collection is combined into： The frequency spectrograph is connected with the first detection interface of the switch arrays, the block signal input interface and block signal source In the case that connection, the network signal input interface and the second detection interface carry out anti-tampering processing, the block signal source Successively according to the signal of each frequency values generation in the predeterminated frequency set, believe in the described first detection interface and the obstruction The set for the line loss value transmitted between number input interface.
- 9. the detecting system of blocking performance according to claim 8, it is characterised in that the detecting system also includes：Screen Cover room；The switch arrays, the comprehensive test instrument, the block signal source, the equipment under test, the control device and the frequency spectrum Instrument is placed in the screened room.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150330A (en) * | 2018-07-16 | 2019-01-04 | 深圳天祥质量技术服务有限公司 | Wireless receiver blocking performance test method, device, equipment and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4517572A (en) * | 1982-07-28 | 1985-05-14 | Amstar Corporation | System for reducing blocking in an antenna switching matrix |
| US20070254643A1 (en) * | 2006-04-28 | 2007-11-01 | Francisco Garcia | Method and apparatus for measuring the error rate of a communication device |
| CN101437261A (en) * | 2008-12-26 | 2009-05-20 | 北京五龙电信技术公司 | Radio frequency test system for mobile communication terminal |
| CN102695184A (en) * | 2012-05-22 | 2012-09-26 | 大唐移动通信设备有限公司 | Base station testing system and method |
| US20120243575A1 (en) * | 2011-03-25 | 2012-09-27 | Kabushiki Kaisha Toshiba | Wireless communication apparatus and wireless communication method |
| US20130260707A1 (en) * | 2012-03-29 | 2013-10-03 | Junsong Li | Controlling Filter Bandwidth Based On Blocking Signals |
| CN104579507A (en) * | 2013-10-23 | 2015-04-29 | 工业和信息化部电信研究院 | Radio frequency interface box and terminal radio frequency consistency testing system |
| CN106817179A (en) * | 2016-12-30 | 2017-06-09 | 上海同耀通信技术有限公司 | Adaptive testing system and method |
| CN207460520U (en) * | 2017-11-07 | 2018-06-05 | 上海同耀通信技术有限公司 | A kind of detecting system of blocking performance |
-
2017
- 2017-11-07 CN CN201711084055.5A patent/CN107896377A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4517572A (en) * | 1982-07-28 | 1985-05-14 | Amstar Corporation | System for reducing blocking in an antenna switching matrix |
| US20070254643A1 (en) * | 2006-04-28 | 2007-11-01 | Francisco Garcia | Method and apparatus for measuring the error rate of a communication device |
| CN101437261A (en) * | 2008-12-26 | 2009-05-20 | 北京五龙电信技术公司 | Radio frequency test system for mobile communication terminal |
| US20120243575A1 (en) * | 2011-03-25 | 2012-09-27 | Kabushiki Kaisha Toshiba | Wireless communication apparatus and wireless communication method |
| US20130260707A1 (en) * | 2012-03-29 | 2013-10-03 | Junsong Li | Controlling Filter Bandwidth Based On Blocking Signals |
| CN102695184A (en) * | 2012-05-22 | 2012-09-26 | 大唐移动通信设备有限公司 | Base station testing system and method |
| CN104579507A (en) * | 2013-10-23 | 2015-04-29 | 工业和信息化部电信研究院 | Radio frequency interface box and terminal radio frequency consistency testing system |
| CN106817179A (en) * | 2016-12-30 | 2017-06-09 | 上海同耀通信技术有限公司 | Adaptive testing system and method |
| CN207460520U (en) * | 2017-11-07 | 2018-06-05 | 上海同耀通信技术有限公司 | A kind of detecting system of blocking performance |
Non-Patent Citations (3)
| Title |
|---|
| 王岳华: ""蓝牙与802.11 共存技术及干扰阻塞测试方法与规格"", 《今日电子》, no. 2003 * |
| 邢金强: ""TD-LTE终端射频一致性测试系统的设计与实现"", 《中国优秀硕士学位论文全文数据库信息科技辑》, no. 2012, pages 17 - 18 * |
| 高歌梦月: ""AIS接收机射频干扰测试机理研究"", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》, no. 2017, pages 21 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150330A (en) * | 2018-07-16 | 2019-01-04 | 深圳天祥质量技术服务有限公司 | Wireless receiver blocking performance test method, device, equipment and storage medium |
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