CN108923863A - Equipment equivalent isotropically radiated power measurement method, device, equipment and medium - Google Patents
Equipment equivalent isotropically radiated power measurement method, device, equipment and medium Download PDFInfo
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- CN108923863A CN108923863A CN201810836726.7A CN201810836726A CN108923863A CN 108923863 A CN108923863 A CN 108923863A CN 201810836726 A CN201810836726 A CN 201810836726A CN 108923863 A CN108923863 A CN 108923863A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/102—Power radiated at antenna
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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Abstract
This application discloses a kind of equipment equivalent isotropically radiated power measurement method, device, equipment and medium, wherein method includes：Adjust the position of Devices to test, target position when determining test equipment received signal power as maximum value, where the Devices to test；When detecting the test equipment received signal power and reaching the maximum value, the output power value of signal projector, wherein the signal projector, for driving the omnidirectional antenna for being located at the target position；According to the output power value of the signal projector and the yield value of the omnidirectional antenna, the practical equivalent isotropically radiated power of the Devices to test is determined.Hereby it is achieved that the measurement of the equivalent isotropically radiated power of device under test, and error is not present in measurement result, is consistent with actual measured results, improves the accuracy and reliability of measurement result.
Description
Technical field
This application involves wireless communication technology field, in particular to a kind of equipment equivalent isotropically radiated power measurement method,
Device, equipment and medium.
Background technique
Currently, in wireless communications, usually using equivalent isotropically radiated power (Effective Isotropic Radiated
Power, abbreviation EIRP) come measure wireless device transmitter transmitting signal ability.As measurement wireless device transmitter performance
Important indicator, various countries' regulation is to its also restricted requirement, therefore, how accurately right in the development phase of wireless device
EIRP, which is measured, to be particularly important.
The radio circuit of wireless device can be mounted on radio frequency testing seat by the relevant technologies, by testing radio frequency testing
Then EIRP is calculated plus the gain of antenna in the transmission power of seat.But when measuring EIRP by means of which, by
In the nominal value that the antenna gain utilized is the antenna gain on device antenna specifications, and the mark of the antenna gain on specifications
Title value is generally average gain, and in a practical situation, the antenna gain on some direction is likely larger than nominal value, so as to cause
There are certain errors by the EIRP measured using aforesaid way, are not consistent with actual measured results, measurement result inaccuracy, reliability
Difference.
Summary of the invention
The application provides a kind of equipment equivalent isotropically radiated power measurement method, device, equipment and medium, for solving phase
In the technology of pass, there are certain errors for the measurement result of the EIRP of wireless device, are not consistent with actual measured results, measurement result is not
Accurately, the problem of poor reliability.
The application one side embodiment provides a kind of equipment equivalent isotropically radiated power measurement method, and this method includes：It adjusts
The position of whole Devices to test, mesh when determining test equipment received signal power as maximum value, where the Devices to test
Cursor position；When detecting the test equipment received signal power and reaching the maximum value, the output power value of signal projector,
Wherein, the signal projector, for driving the omnidirectional antenna for being located at the target position；According to the defeated of the signal projector
The yield value of performance number and the omnidirectional antenna out determines the practical equivalent isotropically radiated power of the Devices to test.
The application another aspect embodiment provides a kind of equipment equivalent isotropically radiated power measuring device, which includes：
The first adjustment module, for adjusting the position of Devices to test, when determining test equipment received signal power as maximum value, institute
State the target position where Devices to test；Detection module reaches described for detecting the test equipment received signal power
When maximum value, the output power value of signal projector, wherein the signal projector is located at the target position for driving
Omnidirectional antenna；First determining module, for the increasing according to the output power value and the omnidirectional antenna of the signal projector
Benefit value, determines the practical equivalent isotropically radiated power of the Devices to test.
The electronic equipment of the another aspect embodiment of the application, the electronic equipment include：It memory, processor and is stored in
On reservoir and the computer program that can run on a processor, when the processor executes described program, to realize first aspect
Equipment equivalent isotropically radiated power measurement method described in embodiment.
The computer readable storage medium of the application another further aspect embodiment, is stored thereon with computer program, the calculating
When machine program is executed by processor, to realize equipment equivalent isotropically radiated power measurement method described in first aspect embodiment.
Technical solution disclosed in the present application, has the advantages that：
It is to be measured to set when determining test equipment received signal power as maximum value by adjusting the position of Devices to test
The target position at standby place, then replaces with omnidirectional antenna for Devices to test, and so that omnidirectional antenna is located at target position, then detect
When test equipment received signal power reaches maximum value, the output power value of the signal projector of omnidirectional antenna is driven, thus
According to the output power value of signal projector and the yield value of omnidirectional antenna, the equivalent omnidirectional radiation function of the reality of Devices to test is determined
Rate.Hereby it is achieved that the measurement of the equivalent isotropically radiated power of device under test, and error is not present in measurement result, with reality
Measurement result is consistent, and improves the accuracy and reliability of measurement result.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein
Fig. 1 is the flow diagram according to the equipment equivalent isotropically radiated power measurement method of the application one embodiment；
Fig. 2 is the measurement scene figure according to the equipment equivalent isotropically radiated power measurement method of the application one embodiment；
Fig. 3 is the another measurement scene according to the equipment equivalent isotropically radiated power measurement method of the application one embodiment
Figure；
Fig. 4 is the process signal according to the equipment equivalent isotropically radiated power measurement method of the application another embodiment
Figure；
Fig. 5 is the structural schematic diagram according to the equipment equivalent isotropically radiated power measuring device of the application one embodiment；
Fig. 6 is the structural schematic diagram according to the equipment equivalent isotropically radiated power measuring device of the application one embodiment；
Fig. 7 is the structural schematic diagram according to the electronic equipment of the application one embodiment；
Fig. 8 is the structural schematic diagram according to the electronic equipment of the application another embodiment.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
Each embodiment of the application in the related technology, the measurement result of the EIRP of wireless device there are certain error, with
The problem of actual measured results are not inconsistent, measurement result inaccuracy, poor reliability proposes that a kind of equipment equivalent isotropically radiated power is surveyed
Amount method.
The equipment equivalent isotropically radiated power measurement method of the embodiment of the present application, by adjusting the position of Devices to test, with
When determining that test equipment received signal power is maximum value, then the target position where Devices to test replaces Devices to test
It is changed to omnidirectional antenna, and omnidirectional antenna is made to be located at target position, then detects test equipment received signal power and reaches maximum value
When, the output power value of the signal projector of omnidirectional antenna is driven, thus according to the output power value of signal projector and omnidirectional
The yield value of antenna determines the practical equivalent isotropically radiated power of Devices to test.Hereby it is achieved that device under test is equivalent complete
Measurement to radiant power, and error is not present in measurement result, is consistent with actual measured results, improves the accurate of measurement result
Property and reliability.
Below with reference to the accompanying drawings to the equipment equivalent isotropically radiated power measurement method of the embodiment of the present application, device, equipment and
Medium is described in detail.
First in conjunction with attached drawing 1, the equipment equivalent isotropically radiated power measurement method that the embodiment of the present application proposes is carried out detailed
Thin description.
Fig. 1 is the flow diagram according to the equipment equivalent isotropically radiated power measurement method of the application one embodiment.
As shown in Figure 1, the equipment equivalent isotropically radiated power measurement method of the application includes the following steps：
Step 101, the position for adjusting Devices to test, when determining test equipment received signal power as maximum value, to
Target position where measurement equipment.
Specifically, equipment equivalent isotropically radiated power measurement method provided by the embodiments of the present application, it can be by the application reality
The electronic equipment for applying example offer executes, and equipment equivalent isotropically radiated power measuring device can be configured in the electronic equipment, with reality
The accurate measurement of the equivalent isotropically radiated power of existing device under test.Wherein, there are many type of electronic equipment, can be according to application
It is selected, for example, mobile phone, computer etc..
Wherein, Devices to test (Device Under Test, referred to as：DUT), can be arbitrarily has less radio-frequency function
The equipment of energy, such as wireless router, smart phone, tablet computer etc..
When specific implementation, Devices to test (the wireless DUT in Fig. 2) can be set and accompanied according to measurement scene shown in Fig. 2
Measurement equipment (System Under Test, referred to as：SUT carry out data transmission between), and by the test equipment (frequency spectrum in Fig. 2
Instrument) receiving antenna receive transmitting signal and so as to the position by adjusting Devices to test determine the received letter of test equipment
When number power is maximum value, the target position of Devices to test.
Wherein, measurement equipment is accompanied to can be the equipment such as smart phone, tablet computer or laptop.Test equipment, can be with
It is frequency spectrograph or other instruments that can arbitrarily study electric signal spectrum structure, herein with no restriction.In the present embodiment attached drawing with
Devices to test is wireless router, measurement equipment is accompanied to be laptop, test equipment is to be illustrated for frequency spectrograph.
In an example embodiment, can be with the position where device under test, and the day in Devices to test at each position
The direction of line is adjusted, to determine that test equipment is received each when each position of Devices to test, antenna are towards different directions
Signal power value, and then when being maximum value by test equipment received signal power, position where Devices to test, be determined as to
Target position where measurement equipment.
As an example it is assumed that the position of Devices to test includes tri- positions A, B, C, the antenna in Devices to test includes 1,2,
3 three directions.Then by making Devices to test be located at position A, B, C, and the antenna in each position adjustment Devices to test
Direction, when can determine that Devices to test is located at position A and antenna is respectively facing 1,2,3, Devices to test is located at position B and antenna
When being respectively facing 1,2,3 and Devices to test is located at position C and when antenna is respectively facing 1,2,3, the received each letter of test equipment
Number performance number.If Devices to test is in position A, antenna direction 2, test equipment received signal performance number is maximum, then can be true
Target position where determining Devices to test is position A.
It should be noted that in the embodiment of the present application, the position of Devices to test is adjusted, to determine that test equipment is received
When signal power is maximum value, when target position where Devices to test, it is also necessary to Devices to test and accompany the number between measurement equipment
Meet the following conditions according to transmission speed：Devices to test and the data transmission bauds between measurement equipment is accompanied, is that Devices to test is sent out in maximum
Penetrate the data transmission bauds under power.
Correspondingly, before step 101, can also include：
The maximum transmission power of acquisition Devices to test and corresponding targeted rate mode；
Measurement equipment and Devices to test are accompanied in control, are carried out data transmission under targeted rate mode.
Wherein, targeted rate mode, the parameters such as data transmission bauds including Devices to test.
Specifically, the radio circuit of Devices to test can be directly installed in radio frequency testing seat, surveyed by test radio frequency
The transmission power of seat is tried, it is to be measured when obtaining the maximum transmission power of Devices to test, and recording the transmission power maximum of Devices to test
The data transmission bauds of equipment accompanies measurement equipment and Devices to test so as to control in measurement scene shown in Fig. 2, with to be measured
Equipment corresponding data transmission bauds in maximum transmission power carries out data transmission.
Step 102, when detection test equipment received signal power reaches maximum value, the output power of signal projector
Value, wherein signal projector, for driving the omnidirectional antenna for being located at target position.
Specifically, the target position when determining test equipment received signal power is maximum value, where Devices to test
Afterwards, Devices to test can be replaced with to omnidirectional antenna, i.e., as shown in figure 3, wireless DUT shown in Fig. 2 is replaced with omnidirectional antenna,
And omnidirectional antenna is set to be located at the target position where the Devices to test that step 101 determines, while making omnidirectional antenna and external letter
The connection of number transmitter emits signal after omnidirectional antenna by signal projector and is received by the receiving antenna of test equipment.So
Afterwards, by adjusting the output power of signal projector, change test equipment received signal power therewith, to set in test
When standby received signal power reaches maximum value, the output power value of signal projector is detected.
Wherein, the maximum value that the signal power that test equipment receives reaches, refers in step 101, Devices to test is in mesh
When cursor position, corresponding test equipment received signal power maximum value.
Step 103, according to the output power value of signal projector and the yield value of omnidirectional antenna, the reality of Devices to test is determined
Border equivalent isotropically radiated power.
Wherein, the yield value of omnidirectional antenna can be determined according to characteristics such as size, the shapes of omnidirectional antenna.
In the exemplary embodiment, it after the output power value for determining signal projector, can be determined by following formula (1)
The practical equivalent isotropically radiated power of Devices to test：
EIRP=P+G (1)
Wherein, EIRP is the practical equivalent isotropically radiated power of Devices to test, and P is the output power value of signal projector, G
For the yield value of omnidirectional antenna.
It is understood that by measurement scene shown in Fig. 3, when determining the output power value of signal projector, signal
Transmitter can be connect with omnidirectional antenna by radio frequency coaxial cables.And there may be loss values for radio frequency coaxial cables, in radio frequency
, can be as in the foregoing embodiment when the loss value of coaxial cable is smaller, the loss value of radio frequency coaxial cables is ignored, according only to
The output power value of signal projector and the yield value of omnidirectional antenna determine the practical equivalent isotropically radiated power of Devices to test.
When the loss value of radio frequency coaxial cables is larger, in order to enable the result of the practical equivalent isotropically radiated power of the Devices to test arrived
It is more acurrate, it is also necessary to the loss value of radio frequency coaxial cables is considered in the practical equivalent isotropically radiated power for determining Devices to test.
That is, can also include before step 103：
Obtain the loss value of radio frequency coaxial cables；
Correspondingly, step 103 can specifically be accomplished by the following way：
According to the loss value of the output power value of signal projector, the yield value of omnidirectional antenna and radio frequency coaxial cables, really
Determine the practical equivalent isotropically radiated power of Devices to test.
In the exemplary embodiment, the equivalent omnidirectional radiation function of the reality of Devices to test can be determined by following formula (2)
Rate：
EIRP=P+G-loss (2)
Wherein, EIRP is the practical equivalent isotropically radiated power of Devices to test, and P is the output power value of signal projector, G
For the yield value of omnidirectional antenna, loss is the loss value of radio frequency coaxial cables.
It should be noted that electromagnetic environment is complicated due in actual application, there are a large amount of unstable wireless electromagnetics
The interference of wave, so as to will affect entire measurement efficiency and measurement result.Therefore, in order to avoid the interference of radio magnetic wave,
The present embodiment carry out equipment equivalent isotropically radiated power measurement when, can with as shown in Fig. 2, by Devices to test, accompany measurement equipment and
The receiving antenna of test equipment is placed in shielding environment, and as shown in figure 3, the receiving antenna of omnidirectional antenna and test equipment is set
In in shielding environment, to guarantee the stabilization of measurement result and reliable.
It further, can be by the practical etc. of Devices to test after the practical equivalent isotropically radiated power for determining Devices to test
Compared with imitating limit value as defined in isotropically radiated power and the equivalent isotropically radiated power that regulation limits, to judge the reality of Devices to test
Whether equivalent isotropically radiated power exceeds regulation limitation.For example, can be in the equivalent omnidirectional radiation function of reality for determining Devices to test
After rate, judge whether the practical equivalent isotropically radiated power of Devices to test exceeds European consistency (conformity of
European, abbreviation CE) or Federal Communications Commission (Federal Communications Commission, referred to as
FCC limit value as defined in).If the practical equivalent isotropically radiated power of Devices to test is greater than the equivalent omnidirectional radiation function that regulation limits
Rate then needs the form of antenna or the impedance in radio circuit in device under test to be adjusted, until the reality of Devices to test
Equivalent isotropically radiated power is less than the equivalent isotropically radiated power that regulation limits.
It is understood that equipment equivalent isotropically radiated power measurement method provided by the embodiments of the present application, determines to be measured
Equipment is in real work, after test equipment received signal power maximum value, using omnidirectional antenna plus signal transmitter
Mode simulate transmission power of the Devices to test under actual operating conditions, by signal projector emit signal pass through omnidirectional antennas
It is received after line by the receiving antenna of test equipment, and then by adjusting the output power size of signal projector, so that test is set
The standby signal power received under the mode of omnidirectional antenna plus signal transmitter, is surveyed with Devices to test in real work
The signal power maximum value that examination equipment receives is identical, then according to the increasing of the output power value of signal projector and omnidirectional antenna
Benefit value, can be obtained EIRP value of the Devices to test under real work, and then may determine that whether the EIRP value of Devices to test surpasses
Regulation limits out.
The mode of above-mentioned measurement EIRP, due to simulating Devices to test in reality by the way of omnidirectional antenna plus signal transmitter
Transmission power under the operating condition of border, thus the EIRP that measurement obtains is EIRP value of the Devices to test under real work, because
Error is not present in the result of this EIRP value obtained using aforesaid way measurement, is consistent with actual measured results, thus more acurrate,
It is more reliable.
Equipment equivalent isotropically radiated power measurement method provided by the embodiments of the present application adjusts the position of Devices to test first
It sets, when determining test equipment received signal power as maximum value, then target position where Devices to test is set to be measured
It is standby to replace with omnidirectional antenna, and so that omnidirectional antenna is located at target position, then detect test equipment received signal power and reach most
When big value, drive the output power value of the signal projector of omnidirectional antenna, finally according to the output power value of signal projector and
The yield value of omnidirectional antenna determines the practical equivalent isotropically radiated power of Devices to test.Hereby it is achieved that device under test etc.
The measurement of isotropically radiated power is imitated, and error is not present in measurement result, is consistent with actual measured results, improves measurement result
Accuracy and reliability.
It, can be with by above-mentioned analysis it is found that equipment equivalent isotropically radiated power measurement method provided by the embodiments of the present application
Transmission power of the Devices to test under actual operating conditions is simulated by the way of omnidirectional antenna plus signal transmitter, and then is realized
The accurate measurement of the equivalent isotropically radiated power of device under test.Further, equipment provided by the embodiments of the present application is equivalent complete
To radiant power measurement method, it can also judge whether the impedance of the radio circuit of Devices to test matches with the impedance of antenna, under
Face combines Fig. 4, and equipment equivalent isotropically radiated power measurement method provided by the embodiments of the present application is further detailed.
Fig. 4 is the process signal according to the equipment equivalent isotropically radiated power measurement method of the application another embodiment
Figure.
As shown in figure 4, the equipment equivalent isotropically radiated power measurement method may comprise steps of：
Step 201, obtain Devices to test maximum transmission power and corresponding targeted rate mode.
Step 202, measurement equipment and Devices to test are accompanied in control, are carried out data transmission under targeted rate mode.
Step 203, the position for adjusting Devices to test, when determining test equipment received signal power as maximum value, to
Target position where measurement equipment.
Step 204, when detection test equipment received signal power reaches maximum value, the output power of signal projector
Value, wherein signal projector, for driving the omnidirectional antenna for being located at target position.
Step 205, the loss value of radio frequency coaxial cables is obtained.
Step 206, according to the damage of the output power value of signal projector, the yield value of omnidirectional antenna and radio frequency coaxial cables
Consumption value determines the practical equivalent isotropically radiated power of Devices to test.
Wherein, the specific implementation process and principle of above-mentioned steps 201-206 is referred to retouching in detail for above-described embodiment
It states, details are not described herein again.
Step 207, it according to the yield value of antenna in the maximum transmission power of Devices to test and Devices to test, determines to be measured
The reference equivalent isotropically radiated power of equipment.
Specifically, the radio circuit of Devices to test can be directly installed in radio frequency testing seat, surveyed by test radio frequency
The transmission power for trying seat, can obtain the maximum transmission power of Devices to test.Furthermore it is possible to by antenna specifications in Devices to test
Antenna gain yield value of the nominal value as antenna in Devices to test.
In the exemplary embodiment, the equivalent omnidirectional radiation function of the reference of Devices to test can be determined by following formula (3)
Rate：
EIRP '=P '+G ' (3)
Wherein, EIRP ' is the reference equivalent isotropically radiated power of Devices to test, and P ' is the emission maximum function of Devices to test
Rate, G ' are the yield value of antenna in Devices to test.
It is understood that in practical applications, usually there will be feeder line between Devices to test transmitter and antenna feed
Loss, when feeder loss value is smaller, can ignore feeder loss value such as formula (3), send out according only to the maximum of Devices to test
The yield value for penetrating antenna in power and Devices to test determines the reference equivalent isotropically radiated power of Devices to test.In feeder loss
When being worth larger, in order to enable the result of the reference equivalent isotropically radiated power of the Devices to test arrived is more acurrate, it is also necessary in determination
The loss value of feeder line is considered when the reference equivalent isotropically radiated power of Devices to test.
That is, can also include before step 207：
Obtain the feeder loss between the output end and antenna feed of Devices to test；
Correspondingly, step 207 can be accomplished by the following way：
According to the defeated of the yield value of antenna in the maximum transmission power of Devices to test, Devices to test and Devices to test transmitter
Feeder loss between outlet and antenna feed determines the reference equivalent isotropically radiated power of Devices to test.
In the exemplary embodiment, the equivalent omnidirectional radiation function of the reference of Devices to test can be determined by following formula (4)
Rate：
EIRP '=P '+G '-loss ' (4)
Wherein, EIRP ' is the reference equivalent isotropically radiated power of Devices to test, and P ' is the emission maximum function of Devices to test
Rate, G ' are the yield value of antenna in Devices to test, and loss ' is the feedback between the output end and antenna feed of Devices to test transmitter
Line loss consumption.
Step 208, judge practical equivalent isotropically radiated power, whether the difference with reference equivalent isotropically radiated power is pre-
If in range, if so, thening follow the steps 209, otherwise, executing step 210.
Step 209, the impedance of the radio circuit of Devices to test and the impedance matching of antenna are determined.
Step 210, the impedance in the form of antenna in Devices to test, and/or adjustment radio circuit is adjusted, and returns to execution
Step 201, until the practical equivalent isotropically radiated power measured, the difference with reference equivalent isotropically radiated power is in preset range
It is interior.
Specifically, a range can be preset, in the practical equivalent isotropically radiated power for determining equipment to be tested and
, can be by practical equivalent isotropically radiated power after equivalent isotropically radiated power, it is poor to make with reference equivalent isotropically radiated power.
If practical equivalent isotropically radiated power, within a preset range with the difference of reference equivalent isotropically radiated power, then can determine to
The impedance of the radio circuit of measurement equipment and the impedance matching of antenna.
If practical equivalent isotropically radiated power, not within a preset range with the difference of reference equivalent isotropically radiated power, then
It can determine the impedance of the radio circuit of Devices to test and the impedance mismatch of antenna.At this point it is possible to adjust day in Devices to test
The form of line perhaps adjusts the impedance of radio circuit in Devices to test or adjusts the form of antenna in Devices to test simultaneously and penetrate
Then impedance in frequency circuit redefines the practical equivalent isotropically radiated power of Devices to test and refers to equivalent omnidirectional radiation function
Rate, until the practical equivalent isotropically radiated power that measures, within a preset range with the difference of reference equivalent isotropically radiated power.
Wherein, preset range can according to need and arbitrarily determine, for example, it is less than 3 decibels that preset range, which can be set,
(dB).The form of antenna may include shape, size of antenna etc..
It in the exemplary embodiment, can be by adjusting the capacitance or the parameters such as inductance value in radio circuit, to radio frequency
Impedance in circuit is adjusted.
It should be noted that by adjusting radio circuit in the form or adjustment Devices to test of antenna in Devices to test
Impedance, or the form of antenna and the impedance in radio circuit in Devices to test are adjusted simultaneously, until the reality measured is equivalent complete
To radiant power, with the difference of reference equivalent isotropically radiated power within a preset range after, last time can be determined to
The practical equivalent isotropically radiated power of measurement equipment, as the final effective equivalent isotropically radiated power of Devices to test.
By the above process, that is, the impedance in the radio circuit of Devices to test and the impedance matching of antenna be can guarantee, thus
When avoiding the impedance severe mismatch of the impedance and antenna in the radio circuit of Devices to test, the wireless performance of device under test is caused
It influences, to improve the wireless performance of Devices to test.
In addition, in the embodiment of the present application, when can also determine that device under test is configured, antenna in Devices to test
Direction.
Specifically, during measuring the practical equivalent isotropically radiated power of Devices to test, it can be with device under test institute
Position and at each position in Devices to test antenna direction be adjusted, with determine Devices to test each position,
When antenna is towards different directions, the received each signal power value of test equipment.Thus by the impedance of the radio circuit of Devices to test
When with the impedance matching of antenna, in corresponding measurement process, when test equipment received signal power is maximum value, Devices to test
The direction of middle antenna is determined as when device under test is configured being ultimately towards for antenna in Devices to test.
That is, equipment equivalent isotropically radiated power measurement method provided by the embodiments of the present application, can also include：
In each position, the direction of antenna in Devices to test is adjusted, to determine that test equipment received signal power is most
When big value, the target direction of antenna in Devices to test；
Correspondingly, can also include after step 209：
By target direction, it is determined as the direction of antenna in Devices to test.
Specifically, Devices to test can be placed on autospinning platform, thus by the rotation of control turntable, adjustment to
The direction of antenna in measurement equipment.
When specific implementation, in the practical equivalent isotropically radiated power measurement process of Devices to test, Devices to test institute is determined
Target position when, can adjust the direction of antenna in Devices to test in each position of Devices to test, and record test and set
When standby received signal power is maximum value, the target direction of antenna in Devices to test.It is equivalent in the reality for determining Devices to test
After isotropically radiated power and reference equivalent isotropically radiated power, however, it is determined that the impedance of the radio circuit of Devices to test and the resistance of antenna
Anti- matching, then can be by the target direction of antenna in the Devices to test of record, when being determined as configuring Devices to test, in Devices to test
The direction of antenna.If it is determined that the impedance of the radio circuit of Devices to test and the impedance mismatch of antenna, then day in device under test
The form of antenna and the impedance in radio circuit are adjusted in the form of line or the impedance in radio circuit or Devices to test,
Until the practical equivalent isotropically radiated power that measures, with the difference of reference equivalent isotropically radiated power within a preset range after, can
With will in the Devices to test of last time record antenna target direction, when being determined as configuring Devices to test, day in Devices to test
The direction of line.
By the above process, that is, when can determine that device under test is configured, the direction of antenna in Devices to test.
In order to realize above-described embodiment, the application also proposed a kind of equipment equivalent isotropically radiated power measuring device.
Fig. 5 is the structural schematic diagram according to the equipment equivalent isotropically radiated power measuring device of the application one embodiment.
As shown in figure 5, the equipment equivalent isotropically radiated power measuring device of the application includes：The first adjustment module 11, inspection
Survey module 12 and the first determining module 13.
Wherein, the first adjustment module 11, for adjusting the position of Devices to test, to determine test equipment received signal function
When rate is maximum value, the target position where the Devices to test；
Detection module 12, when reaching the maximum value for detecting the test equipment received signal power, signal hair
The output power value of emitter, wherein the signal projector, for driving the omnidirectional antenna for being located at the target position；
First determining module 13, for the gain according to the output power value and the omnidirectional antenna of the signal projector
Value, determines the practical equivalent isotropically radiated power of the Devices to test.
Specifically, equipment equivalent isotropically radiated power measuring device provided by the embodiments of the present application, can be configured in electricity
In sub- equipment, to execute equipment equivalent isotropically radiated power measurement method provided by the embodiments of the present application, to realize to be measured
The accurate measurement of the equivalent isotropically radiated power of equipment.Wherein, there are many type of electronic equipment, can need to carry out according to application
Selection, for example, mobile phone, computer etc..
It should be noted that the aforementioned explanation to equipment equivalent isotropically radiated power measurement method embodiment, is also fitted
For the equipment equivalent isotropically radiated power measuring device of the embodiment, realization principle is similar, and details are not described herein again.
Equipment equivalent isotropically radiated power measuring device provided in this embodiment adjusts the position of Devices to test first, with
When determining that test equipment received signal power is maximum value, then test equipment is detected in the target position where Devices to test
When received signal power reaches maximum value, the output power value of signal projector, wherein signal projector, for driving position
Omnidirectional antenna in target position, finally according to the output power value of signal projector and the yield value of omnidirectional antenna, determine to
The practical equivalent isotropically radiated power of measurement equipment.Hereby it is achieved that the measurement of the equivalent isotropically radiated power of device under test, and
Error is not present in measurement result, is consistent with actual measured results, improves the accuracy and reliability of measurement result.
In the exemplary embodiment, a kind of equipment equivalent isotropically radiated power measuring device is additionally provided.
Fig. 6 is the structural representation according to the equipment equivalent isotropically radiated power measuring device of the application another embodiment
Figure.
Referring to shown in Fig. 6, on the basis of shown in Fig. 5, the equipment equivalent isotropically radiated power measuring device of the application is also
May include：
First obtains module 21, for obtaining the maximum transmission power and corresponding targeted rate mould of the Devices to test
Formula；
Control module 22 is accompanied measurement equipment and the Devices to test for controlling, is counted under the targeted rate mode
According to transmission；
Second determining module 23, for day in the maximum transmission power and the Devices to test according to the Devices to test
The yield value of line determines the reference equivalent isotropically radiated power of the Devices to test；
Judgment module 24 refers to equivalent omnidirectional radiation function with described for judging the practical equivalent isotropically radiated power
Within a preset range whether the difference of rate；
Third determining module 25, for referring to equivalent omnidirectional radiation with described in the practical equivalent isotropically radiated power
The difference of power within a preset range when, determine the impedance of the radio circuit of the Devices to test and the impedance matching of antenna；
Second adjustment module 26, for the direction of antenna in the Devices to test being adjusted, described in determination in each position
When test equipment received signal power is maximum value, the target direction of antenna in the Devices to test；
4th determining module 27, for being determined as the direction of antenna in the Devices to test for the target direction；
Third adjusts module 28, for referring to equivalent omnidirectional radiation with described in the practical equivalent isotropically radiated power
The difference of power not within a preset range when, adjust the form of antenna in the Devices to test, and/or the adjustment radio circuit
In impedance, until the practical equivalent isotropically radiated power that measures, with the difference with reference to equivalent isotropically radiated power pre-
If in range.
In a kind of possible way of realization, above-mentioned signal projector and the omnidirectional antenna are connected by radio frequency coaxial cables
It connects；
Correspondingly, above-mentioned apparatus, can also include：
Second obtains module 29, for obtaining the loss value of the radio frequency coaxial cables；
Correspondingly, above-mentioned first determining module 13, is specifically used for：
According to the output power value of the signal projector, the yield value and the radio frequency coaxial cables of the omnidirectional antenna
Loss value, determine the practical equivalent isotropically radiated power of the Devices to test.
It should be noted that the implementation process and technology of the equipment equivalent isotropically radiated power measuring device of the present embodiment are former
Reason, referring to the aforementioned explanation to equipment equivalent isotropically radiated power measurement method embodiment, details are not described herein again.
Equipment equivalent isotropically radiated power measuring device provided by the embodiments of the present application adjusts the position of Devices to test first
It sets, when determining test equipment received signal power as maximum value, target position where Devices to test, then detection test
When equipment received signal power reaches maximum value, the output power value of signal projector, wherein signal projector, for driving
The dynamic omnidirectional antenna positioned at target position, finally according to the output power value of signal projector and the yield value of omnidirectional antenna, really
Determine the practical equivalent isotropically radiated power of Devices to test.Hereby it is achieved that the survey of the equivalent isotropically radiated power of device under test
Amount, and error is not present in measurement result, is consistent with actual measured results, improves the accuracy and reliability of measurement result.
In order to realize above-described embodiment, the application also proposes a kind of electronic equipment.
Fig. 7 is the structural schematic diagram of the electronic equipment of the application one embodiment.The electronic equipment that Fig. 7 is shown is only one
A example, should not function to the embodiment of the present application and use scope bring any restrictions.
As shown in fig. 7, above-mentioned electronic equipment 200 includes：It memory 210, processor 220 and is stored on memory 210
And the computer program that can be run on processor 220, when the processor 220 executes described program, to realize first aspect
Equipment equivalent isotropically radiated power measurement method described in embodiment.
In a kind of optional way of realization, as shown in figure 8, the electronic equipment 200 can also include：Memory 210 and
Processor 220, connects the bus 230 of different components (including memory 210 and processor 220), and memory 210 is stored with calculating
Machine program realizes that equipment equivalent isotropically radiated power described in the embodiment of the present application is surveyed when processor 220 executes described program
Amount method.
Bus 230 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller,
Peripheral bus, graphics acceleration port, processor or the local bus using any bus structures in a variety of bus structures.It lifts
For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture (MAC)
Bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) bus.
Electronic equipment 200 typically comprises a variety of computer equipment readable mediums.These media can be it is any can be by
The usable medium that electronic equipment 200 accesses, including volatile and non-volatile media, moveable and immovable medium.
Memory 210 can also include the computer system readable media of form of volatile memory, such as arbitrary access
Memory (RAM) 240 and/or cache memory 250.Electronic equipment 200 may further include that other are removable/and it can not
Mobile, volatile/non-volatile computer system storage medium.Only as an example, storage system 260 can be used for reading and writing not
Movably, non-volatile magnetic media (Fig. 8 do not show, commonly referred to as " hard disk drive ").It, can be with although being not shown in Fig. 8
The disc driver for reading and writing to removable non-volatile magnetic disk (such as " floppy disk ") is provided, and non-volatile to moving
The CD drive of CD (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases, each driving
Device can be connected by one or more data media interfaces with bus 230.Memory 210 may include at least one program
Product, the program product have one group of (for example, at least one) program module, these program modules are configured to perform the application
The function of each embodiment.
Program/utility 280 with one group of (at least one) program module 270, can store in such as memory
In 210, such program module 270 include --- but being not limited to --- operating system, one or more application program, other
It may include the realization of network environment in program module and program data, each of these examples or certain combination.Journey
Sequence module 270 usually executes function and/or method in embodiments described herein.
Electronic equipment 200 can also be with one or more external equipments 290 (such as keyboard, sensing equipment, display 291
Deng) communication, can also be enabled a user to one or more equipment interact with the electronic equipment 200 communicate, and/or with make
The electronic equipment 200 can calculate any equipment that equipment be communicated (such as network interface card, modem with one or more other
Etc.) communication.This communication can be carried out by input/output (I/O) interface 292.Also, electronic equipment 200 can also lead to
Cross network adapter 293 and one or more network (such as local area network (LAN), wide area network (WAN) and/or public network, example
Such as internet) communication.As shown in figure 8, network adapter 293 is communicated by bus 230 with other modules of electronic equipment 200.
It should be understood that electronic equipment 200 can be combined using other hardware and/or software module although being not shown in Fig. 8, including but
It is not limited to：Microcode, device driver, redundant processing unit, external disk drive array, RAID system, tape drive with
And data backup storage system etc..
It should be noted that the implementation process and technical principle of the electronic equipment of the present embodiment, referring to aforementioned to equipment etc.
The explanation of isotropically radiated power measurement method embodiment is imitated, details are not described herein again.
Electronic equipment provided by the embodiments of the present application adjusts the position of Devices to test first, to determine that test equipment receives
Signal power be maximum value when, the target position where Devices to test, then detect test equipment received signal power reach
When to maximum value, the output power value of signal projector, wherein signal projector, for driving the omnidirectional for being located at target position
Antenna determines that the reality of Devices to test is equivalent finally according to the output power value of signal projector and the yield value of omnidirectional antenna
Isotropically radiated power.Hereby it is achieved that the measurement of the equivalent isotropically radiated power of device under test, and there is no miss for measurement result
Difference is consistent with actual measured results, improves the accuracy and reliability of measurement result.
To achieve the above object, the application also proposes a kind of computer readable storage medium.
The wherein computer readable storage medium, is stored thereon with computer program, when which is executed by processor, with
Realize equipment equivalent isotropically radiated power measurement method described in first aspect embodiment.
In a kind of optional way of realization, the present embodiment can be using any group of one or more computer-readable media
It closes.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable to deposit
Storage media for example may be-but not limited to-system, device or the device of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor
Part, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes：Have
The electrical connection of one or more conducting wires, portable computer diskette, hard disk, random access memory (RAM), read-only memory
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage
Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device
Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including --- but
It is not limited to --- electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be
Any computer-readable medium other than computer readable storage medium, which can send, propagate or
Transmission is for by the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In --- wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
Further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.?
Be related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or
Wide area network (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as mentioned using Internet service
It is connected for quotient by internet).
To achieve the above object, the application also proposes a kind of computer program.Wherein when computer program is held by processor
When row, to realize equipment equivalent isotropically radiated power measurement method described in first aspect embodiment.
In this application unless specifically defined or limited otherwise, the terms such as term " setting ", " connection " should do broad sense reason
Solution, for example, it may be mechanical connection, is also possible to be electrically connected；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized：With for realizing the logic gates of logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
Embodiments herein is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as the limit to the application
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of application
Type.
Claims (10)
1. a kind of equipment equivalent isotropically radiated power measurement method, which is characterized in that including：
The position for adjusting Devices to test, when determining test equipment received signal power as maximum value, the Devices to test institute
Target position；
When detecting the test equipment received signal power and reaching the maximum value, the output power value of signal projector,
In, the signal projector, for driving the omnidirectional antenna for being located at the target position；
According to the output power value of the signal projector and the yield value of the omnidirectional antenna, the reality of the Devices to test is determined
Border equivalent isotropically radiated power.
2. the method as described in claim 1, which is characterized in that before the position of the adjustment Devices to test, further include：
Obtain the Devices to test maximum transmission power and corresponding targeted rate mode；
Measurement equipment and the Devices to test are accompanied in control, are carried out data transmission under the targeted rate mode.
3. method according to claim 2, which is characterized in that the equivalent omnidirectional radiation of reality of the determination Devices to test
After power, further include：
According to the yield value of antenna in the maximum transmission power of the Devices to test and the Devices to test, determine described to be measured
The reference equivalent isotropically radiated power of equipment；
The practical equivalent isotropically radiated power is judged, with the difference with reference to equivalent isotropically radiated power whether in default model
In enclosing；
If so, determining the impedance of the radio circuit of the Devices to test and the impedance matching of antenna.
4. method as claimed in claim 3, which is characterized in that further include：
In each position, the direction of antenna in the Devices to test is adjusted, with the determination test equipment received signal power
When for maximum value, the target direction of antenna in the Devices to test；
After the impedance of radio circuit and the impedance matching of antenna of the determination Devices to test, further include：
By the target direction, it is determined as the direction of antenna in the Devices to test.
5. method as claimed in claim 3, which is characterized in that the judgement practical equivalent isotropically radiated power, with institute
State with reference to equivalent isotropically radiated power difference whether it is within the preset range, further include：
If it is not, the form of antenna in the Devices to test is then adjusted, and/or the impedance in the adjustment radio circuit, until surveying
The practical equivalent isotropically radiated power obtained, within a preset range with the difference with reference to equivalent isotropically radiated power.
6. method a method as claimed in any one of claims 1 to 5, which is characterized in that the signal projector passes through with the omnidirectional antenna
Radio frequency coaxial cables connection；
Before the practical equivalent isotropically radiated power of the determination Devices to test, further include：
Obtain the loss value of the radio frequency coaxial cables；
The practical equivalent isotropically radiated power of the determination Devices to test, including：
According to the damage of the output power value of the signal projector, the yield value of the omnidirectional antenna and the radio frequency coaxial cables
Consumption value determines the practical equivalent isotropically radiated power of the Devices to test.
7. a kind of equipment equivalent isotropically radiated power measuring device, which is characterized in that including：
The first adjustment module, for adjusting the position of Devices to test, to determine test equipment received signal power as maximum value
When, the target position where the Devices to test；
Detection module, when reaching the maximum value for detecting the test equipment received signal power, signal projector
Output power value, wherein the signal projector, for driving the omnidirectional antenna for being located at the target position；
First determining module, for according to the output power value of the signal projector and the yield value of the omnidirectional antenna, really
The practical equivalent isotropically radiated power of the fixed Devices to test.
8. device as claimed in claim 7, which is characterized in that further include：
First obtain module, for obtain the Devices to test maximum transmission power and corresponding targeted rate mode；
Control module is accompanied measurement equipment and the Devices to test for controlling, is carried out data transmission under the targeted rate mode.
9. a kind of electronic equipment, which is characterized in that on a memory and can be on a processor including memory, processor and storage
The computer program of operation, when the processor executes described program, to realize the equipment as described in claim 1-6 is any
Imitate isotropically radiated power measurement method.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
When processor executes, to realize the equipment equivalent isotropically radiated power measurement method as described in claim 1-6 is any.
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