CN108650042A - A kind of Suzuki fading channels verification system and its verification method - Google Patents
A kind of Suzuki fading channels verification system and its verification method Download PDFInfo
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- CN108650042A CN108650042A CN201810258113.XA CN201810258113A CN108650042A CN 108650042 A CN108650042 A CN 108650042A CN 201810258113 A CN201810258113 A CN 201810258113A CN 108650042 A CN108650042 A CN 108650042A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3911—Fading models or fading generators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
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Abstract
A kind of Suzuki fading channels verification system and its verification method, the verification system include signal source and processing terminal, and signal source is connected with Suzuki fading channel simulators and processing terminal respectively, and Suzuki fading channel simulators are also connected with processing terminal；Signal source generates the identical signal transmission of two-way to Suzuki fading channel simulators and processing terminal；After the Suzuki fading channels that signal and Suzuki fading channel simulators itself from signal source generates carry out dot product, it is transferred to processing terminal；Whether processing terminal verifies the Suzuki fading channels that Suzuki fading channel simulators generate correct.The invention also includes the verification methods that Suzuki fading channels verify system.The Suzuki fading channels that the present invention can generate Suzuki fading channel simulators are verified, and judge the feasibility and accuracy of Suzuki fading channels.
Description
Technical field
The present invention relates to wireless communication technology field, specifically a kind of Suzuki fading channels verification system and its authentication
Method can consider the double influence of multipath and shadow fading, can more accurately simulate wireless fading channel, be ground for theory simultaneously
Study carefully and more convictive evidence is provided.
Background technology
The more traditional Rayleigh of Suzuki channel models or Lay this wireless channel model can preferably characterize fading characteristic,
Suzuki channel fading models are combined by Rayleigh channel and logarithm normal distribution, contain multipath fading and mesoscale
The feature of decline.Thus, Suzuki fading channels are in modeling is tested, with than wide.Believe since current Suzuki declines
The matching verification almost blank of road Model Measured, it is therefore desirable to a whole set of effective detecting system, make our modeling with
The result of experiment is more convincing.
Invention content
The technical problem to be solved by the present invention is to, overcome drawbacks described above of the existing technology, provide a kind of reliable operation,
The good Suzuki fading channels verification system of verification the verifying results and its verification method.
The technical solution adopted by the present invention to solve the technical problems is：
The Suzuki fading channels verification system of the present invention is used to verify the generation of Suzuki fading channel simulators
Whether Suzuki fading channels meet Suzuki theoretical models.
The Suzuki fading channels of the present invention verify system, including signal source and processing terminal, signal source by two-way not
With transmission line be connected respectively with Suzuki fading channel simulators and processing terminal, Suzuki fading channel simulators also with place
Terminal is managed to be connected.Signal source generates the identical signal of two-way, wherein being transmitted to Suzuki fading channel simulators, another way all the way
It is transmitted to processing terminal；Suzuki fading channel simulators itself generate Suzuki fading channels, the simulation of Suzuki fading channels
Device receives the signal from signal source, the Suzuki that the signal and Suzuki fading channel simulators itself from signal source generate
Fading channel is transferred to processing terminal after carrying out dot product in Suzuki fading channel simulators.Processing terminal receives next self-confident
The output signal in number source and Suzuki fading channel simulators, the Suzuki declines that verification Suzuki fading channel simulators generate
Whether channel is correct, i.e., whether meets Suzuki theoretical models.
The signal source is for generating output frequency, power sine wave signal appropriate.The present invention uses Agilent
2 channel function signal generators of 33544B are as signal source, and in experimental test procedures, it is 10Mhz's that signal source, which generates frequency,
Sine wave signal, respectively by different transmission lines to Suzuki fading channel simulators and processing terminal.
The Suzuki fading channel simulators can generate Suzuki fading channels.Suzuki fading channels simulation of the present invention
Generation Deco skill FS8 channel simulators can be used in device, and the maximum doppler frequency fd of fading channel is set as 500Hz, shadow fading
Degree s is 0.6, and mean power m is set as 0.Wherein parameter s controls the shadow fading degree of lognormal process, and m controls logarithm
The unit averaged power of normal process.
The processing terminal receives the output signal of the signal and Suzuki fading channel simulators that come from signal source.Place
Output signal of the terminal according to the signal and Suzuki fading channel simulators that come from signal source is managed, Suzuki decline letters are obtained
The amplitude versus frequency characte and phase angle characteristics in road, it is whether correct to verify Suzuki fading channels, i.e., whether meet Suzuki theory moulds
Type.Processing terminal is PC machine.
The verification method of Suzuki fading channels verification system as previously described, includes the following steps：The two of signal source generation
Road sinusoidal signal is respectively x1、x2, signal x1It is transferred to Suzuki fading channel simulators, signal x2It is transferred to processing terminal；
Suzuki fading channel simulators receive the signal x that signal source generates1, by signal x1With Suzuki fading channel simulators itself
Both Suzuki fading channels of generation carry out dot product and obtain output signal y, and are transferred to processing terminal；Processing terminal is according to next
From in the signal x of signal source2With the output signal y of Suzuki fading channel simulators, the amplitude-frequency of Suzuki fading channels is obtained
Characteristic and phase angle characteristics, it is whether correct to verify Suzuki fading channels.
Processing terminal is according to the signal x for coming from signal source2With the output signal y of Suzuki fading channel simulators, obtain
It is whether correct to verify Suzuki fading channels to the amplitude versus frequency characte and phase angle characteristics of Suzuki fading channels, it is specific as follows：
Processing terminal receives the signal x for coming from signal source2With the output signal y of Suzuki fading channel simulators；Place
Terminal is managed according to the signal x for coming from signal source2Envelope sequence is obtained with the output signal y of Suzuki fading channel simulators,
The amplitude versus frequency characte h and phase angle characteristics Φ of Suzuki fading channels are obtained using envelope sequence；Again to the width of Suzuki fading channels
Frequency characteristic h carries out hypothesis testing with phase angle characteristics.
Processing terminal is according to from the signal x of signal source2With the output signal y packets of Suzuki fading channel simulators
Network sequence obtains the amplitude versus frequency characte h and phase angle characteristics Φ of Suzuki fading channels using envelope sequence, is existing mature technology.
Due in the coherence interval of channel, one can consider that the amplitude versus frequency characte h of channel is invariable, as a result,
We can obtain Suzuki fading channels by envelope sequence, and the amplitude of Suzuki fading signals can be in a certain range (30dB
To -60dB) in fluctuation.
By theory it is found that traditional Rayleigh channel fading channel amplitude counts Rayleigh distributed, phase angle statistics is obeyed equal
Even distribution.The mean power m=0 of Suzuki fading channels is set, shadow fading degree s=0.6 obtains corresponding Suzuki and declines
Fall the amplitude characteristic h and phase angle characteristics Φ of channel.
When carrying out hypothesis testing with phase angle characteristics Φ to the amplitude characteristic h of Suzuki fading channels, using KS methods and card side
Hypothesis testing method is combined to verify, specific as follows：
Step 3-1, the amplitude versus frequency characte h of Suzuki fading channels and phase angle characteristics Φ are measured, obtains practical amplitude-frequency
Characteristic distribution and practical phase angle are distributed；
Step 3-2, and then least square method is utilized, is distributed according to practical amplitude-frequency characteristic distribution and practical phase angle, obtains reason
It is distributed with phase angle by upper amplitude versus frequency characte distribution, extraction theory amplitude versus frequency characte sequence H and theoretical sequence of phase angles θ；
Step 3-3, level of significance α is set；Assuming that simulation Suzuki fading channels meet theory calls, it is denoted as H0；
Step 3-4, verification is compared with theory amplitude versus frequency characte sequence H to amplitude versus frequency characte h using card side's hypothesis testing method：
The chi-square value for calculating amplitude versus frequency characte h and theoretical amplitude versus frequency characte sequence H, statistically corresponding P values are found using chi-square value, if
Statistically corresponding P values are more than the notable of step 3-3 settings to amplitude versus frequency characte h with the chi-square value of theoretical amplitude versus frequency characte sequence H
Property horizontal α, then result receive to assume H0, then illustrate that amplitude versus frequency characte h meets preliminary identification；Using card side's hypothesis testing method to phase angle
Characteristic Φ is compared verification with theory sequence of phase angles θ：Calculate the chi-square value of phase angle characteristics Φ and theoretical sequence of phase angles θ, profit
Statistically corresponding P values are found with chi-square value, if P values are more than the level of significance α of step 3-3 settings, result receives false
If H0, then illustrate that phase angle characteristics Φ meets preliminary identification；
If amplitude versus frequency characte h and phase angle characteristics Φ meet preliminary identification, KS methods of inspection are reused to amplitude versus frequency characte h and theory
Amplitude versus frequency characte sequence H is compared verification：If being more than the significance of step 3-3 settings by the result that KS methods of inspection export
H is assumed in α, then result receiving0, then illustrate that amplitude versus frequency characte h meets final verification；Using KS methods of inspection to phase angle characteristics Φ and reason
It is compared verification by sequence of phase angles θ：If being more than the level of significance α of step 3-3 settings by the result that KS methods of inspection export,
Then result receives to assume H0, then illustrate that phase angle characteristics Φ meets final verification；
If amplitude versus frequency characte h and phase angle characteristics Φ meet final verification, illustrates that Suzuki fading channels are correct, meet
Suzuki theoretical models.
Card side's hypothesis testing method and KS methods of inspection are existing mature technology.
The Suzuki fading channels that the present invention can generate Suzuki fading channel simulators are verified, and are judged
The feasibility and accuracy of Suzuki fading channels, have the following advantages that：
1, verification result is accurate, more scientific, and is no longer that artificial naked eyes compare.
2, hypothesis testing method statistically is introduced so that test model more has convincingness.
3, KS methods and card side's hypothesis testing method double verification are introduced so that it is more careful to examine.And the KS figures of KS methods
So that verification result is more intuitive.
Description of the drawings
Fig. 1 is Suzuki fading channels analogue system schematic diagram of the present invention.
Fig. 2 provides m=0, s=0.6, f for the method for the present inventionmSUZUKI fading channel amplitude characteristic figures when=500Hz.
Fig. 3 provides m=0, s=0.6, f for the method for the present inventionmSUZUKI fading channel phase angle characteristics figures when=500Hz.
Fig. 4 provides m=0, s=0.6, f for the method for the present inventionmAccumulative point of SUZUKI fading channel amplitudes when=500Hz
Butut.
Fig. 5 provides m=0, s=0.6, f for the method for the present inventionmAccumulative point of SUZUKI fading channel phase angles when=500Hz
Butut.
Fig. 6 provides m=0, s=0.6, f for the method for the present inventionmSUZUKI fading channel auto-correlation functions when=500Hz
Simulation result diagram.
Fig. 7 provides m=0, s=0.6, f for the method for the present inventionmSUZUKI fading channel power spectral densities when=500Hz
Simulation result diagram.
Specific implementation mode
Below in conjunction with drawings and examples, the invention will be further described.
Referring to Fig.1, the Suzuki fading channels verification system of the present invention is for verifying the production of Suzuki fading channel simulators
Whether raw Suzuki fading channels meet Suzuki theoretical models.
The Suzuki fading channels of the present invention verify system, including signal source U1 and processing terminal U3, signal source U1 pass through
The different SMA transmission lines of two-way are connected with Suzuki fading channel simulators U2 and processing terminal U3 respectively, Suzuki decline letters
Road simulator U2 is also connected with processing terminal U3.Signal source U1 generates the identical signal of two-way, wherein being transmitted to Suzuki all the way
Fading channel simulator U2, another way are transmitted to processing terminal U3；Suzuki fading channel simulators U2 itself generates Suzuki
Fading channel, Suzuki fading channel simulators U2 receive the signal from signal source U1, signal from signal source U1 and
The Suzuki fading channels that Suzuki fading channel simulators U2 itself is generated, carry out in Suzuki fading channel simulators U2
After dot product, it is transferred to processing terminal U3.Processing terminal U3 is received from signal source U1 and Suzuki fading channel simulator U2's
Output signal, whether the Suzuki fading channels that verification Suzuki fading channel simulators U2 is generated are correct, i.e., meet
Suzuki theoretical models.
The signal source U1 is for generating output frequency, power sine wave signal appropriate.The present invention uses Agilent
The 2 channel function signal sources 33544B are as signal source U1, and in experimental test procedures, it is 10Mhz's that signal source U1, which generates frequency,
Sine wave signal, respectively by different SMA transmission lines to Suzuki fading channel simulators U2 and processing terminal U3.
The Suzuki fading channel simulators U2 can generate Suzuki fading channels.Suzuki fading channels mould of the present invention
Generation Deco skill FS8 channel simulators can be used in quasi- device U2, and the maximum doppler frequency fd of fading channel is set as 500Hz, shade
Fading severity s is 0.6, and mean power m is set as 0.Wherein parameter s controls the shadow fading degree of lognormal process, m controls
The unit averaged power of lognormal process.
The processing terminal U3 receives the output of the signal and Suzuki fading channel simulators U2 that come from signal source U1
Signal.Processing terminal U3 is obtained according to the output signal of the signal and Suzuki fading channel simulators U2 that come from signal source U1
It is whether correct to verify Suzuki fading channels to the amplitude versus frequency characte and phase angle characteristics of Suzuki fading channels, i.e., whether accord with
Close Suzuki theoretical models.Processing terminal U3 is PC machine.
The verification method of Suzuki fading channels verification system as previously described, includes the following steps：
The two-way sinusoidal signal that signal source U1 is generated is respectively x1、x2, signal x1It is transferred to Suzuki fading channel simulators
U2, signal x2It is transferred to processing terminal U3；Suzuki fading channel simulators U2 receives the signal x that signal source U1 is generated1, will believe
Number x1Output signal is obtained with both Suzuki fading channel simulators U2 itself the Suzuki fading channels generated progress dot products
Y, and it is transferred to processing terminal U3；Processing terminal U3 is according to the signal x for coming from signal source U12It is simulated with Suzuki fading channels
The output signal y of device U2 obtains the amplitude versus frequency characte and phase angle characteristics of Suzuki fading channels, to verify Suzuki fading channels
It is whether correct.
Processing terminal U3 is according to the signal x for coming from signal source U12Output with Suzuki fading channel simulators U2 is believed
Whether number y, obtains the amplitude versus frequency characte and phase angle characteristics of Suzuki fading channels, correct to verify Suzuki fading channels, tool
Body is as follows：
Processing terminal U3 receives the signal x for coming from signal source U12Output with Suzuki fading channel simulators U2 is believed
Number y；Processing terminal U3 is according to the signal x for coming from signal source U12It is obtained with the output signal y of Suzuki fading channel simulators U2
To envelope sequence, the amplitude versus frequency characte h and phase angle characteristics Φ of Suzuki fading channels are obtained using envelope sequence；It declines again to Suzuki
The amplitude versus frequency characte h and phase angle characteristics for falling channel carry out hypothesis testing.
Processing terminal U3 is according to from the signal x of signal source U12With the output signal y of Suzuki fading channel simulators U2
Envelope sequence is obtained, the amplitude versus frequency characte h and phase angle characteristics Φ of Suzuki fading channels are obtained using envelope sequence, is existing maturation
Technology.
Due in the coherence interval of channel, one can consider that the amplitude versus frequency characte h of channel is invariable, as a result,
We can obtain Suzuki fading channels by envelope sequence, and the amplitude of Suzuki fading signals can be in a certain range (30dB
To -60dB) in fluctuation.
By theory it is found that traditional Rayleigh channel fading channel amplitude counts Rayleigh distributed, phase angle statistics is obeyed equal
Even distribution.The mean power m=0 of Suzuki fading channels is set, shadow fading degree s=0.6 obtains corresponding Suzuki and declines
The amplitude characteristic h and phase angle characteristics Φ of channel are fallen, it is as shown in Figure 2 and Figure 3 respectively.
When carrying out hypothesis testing with phase angle characteristics to the amplitude characteristic of Suzuki fading channels, assumed using KS methods and card side
Method of inspection is combined to verify, specific as follows：
Step 3-1, the amplitude versus frequency characte h of Suzuki fading channels and phase angle characteristics Φ are measured, obtains practical amplitude-frequency
Characteristic distribution and practical phase angle are distributed；
Step 3-2, and then least square method is utilized, is distributed according to practical amplitude-frequency characteristic distribution and practical phase angle, obtains reason
It is distributed with phase angle by upper amplitude versus frequency characte distribution, extraction theory amplitude versus frequency characte sequence H and theoretical sequence of phase angles θ；
Step 3-3, level of significance α is set；Assuming that simulation Suzuki fading channels meet theory calls, it is denoted as H0；
Step 3-4, verification is compared with theory amplitude versus frequency characte sequence H to amplitude versus frequency characte h using card side's hypothesis testing method：
The chi-square value for calculating amplitude versus frequency characte h and theoretical amplitude versus frequency characte sequence H, statistically corresponding P values are found using chi-square value, if
P values are more than the level of significance α of step 3-3 settings, then result receives to assume H0, illustrate that amplitude versus frequency characte h meets preliminary identification；Profit
Verification is compared with theory sequence of phase angles θ to phase angle characteristics Φ with card side's hypothesis testing method：Calculate phase angle characteristics Φ and reason
By the chi-square value of sequence of phase angles θ, statistically corresponding P values are found using chi-square value, if P values are more than the aobvious of step 3-3 settings
H is assumed in the horizontal α of work property, then result receiving0, illustrate that phase angle characteristics Φ meets preliminary identification；
If amplitude versus frequency characte h and phase angle characteristics Φ meet preliminary identification, KS methods of inspection are reused to amplitude versus frequency characte h and theory
Amplitude versus frequency characte sequence H is compared verification：If being more than the significance of step 3-3 settings by the result that KS methods of inspection export
H is assumed in α, then result receiving0, then illustrate that amplitude versus frequency characte h meets final verification；Using KS methods of inspection to phase angle characteristics Φ and reason
It is compared verification by sequence of phase angles θ：If being more than the level of significance α of step 3-3 settings by the result that KS methods of inspection export,
Then result receives to assume H0, then illustrate that phase angle characteristics Φ meets final verification；
If amplitude versus frequency characte h and phase angle characteristics Φ meet final verification, illustrates that Suzuki fading channels are correct, meet
Suzuki theoretical models.
Card side's hypothesis testing method and KS methods of inspection are existing mature technology.
In the present embodiment, as shown in figs. 4 and 5, the accumulative figure of Suzuki fading channel amplitude distributions and Suzuki decline letters
The accumulative figure of road phase angle distribution.It is shown in figure, the degree of fitting of experiment value and theoretical value is met the requirements.The Suzuki of Fig. 6 and Fig. 7 displayings
The autocorrelation and Power Spectrum Distribution of fading channel.Maximum doppler frequency is 500Hz as seen from the figure, consistent with theoretical value, and
The theoretical value and experiment value, that is, simulation value of autocorrelation and the theoretical value and experiment value of power spectrum, are morphologically fitted, then say
The Suzuki fading channels that bright Suzuki fading channel simulators U2 is generated are met the requirements, and meet Suzuki theoretical models.
Using the present invention, the verification to Suzuki fading channel simulators or simulation model performance can be realized, have good
The characteristics of stability and accuracy, is applicable to the occasion to Wireless Channel Modeling, emulation and channel simulator performance verification.
Those skilled in the art can be carry out various modifications to the present invention and modification, if these modifications and variations are at this
Within the scope of invention claim and its equivalent technologies, then these modifications and variations are also within protection scope of the present invention.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (4)
1. a kind of Suzuki fading channels verify system, which is characterized in that include signal source and processing terminal, signal source passes through two
The different transmission line in road is connected with Suzuki fading channel simulators and processing terminal respectively, and Suzuki fading channel simulators are also
It is connected with processing terminal；Signal source generates the identical signal of two-way, wherein being transmitted to Suzuki fading channel simulators all the way, separately
It is transmitted to processing terminal all the way；Suzuki fading channel simulators itself generate Suzuki fading channels, Suzuki fading channels
Simulator receives the signal from signal source, what the signal and Suzuki fading channel simulators itself from signal source generated
Suzuki fading channels are transferred to processing terminal after carrying out dot product in Suzuki fading channel simulators；Processing terminal receives
Output signal from signal source and Suzuki fading channel simulators, verification Suzuki fading channel simulators generate
Whether Suzuki fading channels are correct, i.e., whether meet Suzuki theoretical models；
The signal source is for generating sine wave signal；
The Suzuki fading channel simulators can generate Suzuki fading channels；
The processing terminal receives the output signal of the signal and Suzuki fading channel simulators that come from signal source；Processing is eventually
End obtains Suzuki fading channels according to the output signal for the signal and Suzuki fading channel simulators for coming from signal source
Amplitude versus frequency characte and phase angle characteristics, it is whether correct to verify Suzuki fading channels, i.e., whether meet Suzuki theoretical models.
2. the verification method of Suzuki fading channels verification system as described in claim 1, which is characterized in that including walking as follows
Suddenly：
The two-way sinusoidal signal that signal source generates is respectively x1、x2, signal x1It is transferred to Suzuki fading channel simulators, signal x2
It is transferred to processing terminal；Suzuki fading channel simulators receive the signal x that signal source generates1, by signal x1It declines with Suzuki
Both Suzuki fading channels that channel simulator itself generates carry out dot product and obtain output signal y, and are transferred to processing terminal；
Processing terminal is according to the signal x for coming from signal source2With the output signal y of Suzuki fading channel simulators, Suzuki is obtained
Whether the amplitude versus frequency characte and phase angle characteristics of fading channel are correct to verify Suzuki fading channels.
3. the verification method of Suzuki fading channels verification system according to claim 2, which is characterized in that processing terminal
According to the signal x for coming from signal source2With the output signal y of Suzuki fading channel simulators, Suzuki fading channels are obtained
Amplitude versus frequency characte and phase angle characteristics, it is whether correct to verify Suzuki fading channels, it is specific as follows：
Processing terminal receives the signal x for coming from signal source2With the output signal y of Suzuki fading channel simulators；Processing terminal
According to the signal x for coming from signal source2Envelope sequence is obtained with the output signal y of Suzuki fading channel simulators, utilizes packet
Network sequence obtains the amplitude versus frequency characte h and phase angle characteristics Φ of Suzuki fading channels；Again to the amplitude versus frequency characte h of Suzuki fading channels
Hypothesis testing is carried out with phase angle characteristics Φ.
4. the verification method of Suzuki fading channels verification system according to claim 3, which is characterized in that Suzuki
When the amplitude characteristic h of fading channel carries out hypothesis testing with phase angle characteristics Φ, it is combined using KS methods and card side's hypothesis testing method
It verifies, it is specific as follows：
Step 3-1, the amplitude versus frequency characte h of Suzuki fading channels and phase angle characteristics Φ are measured, obtains practical amplitude versus frequency characte
Distribution and the distribution of practical phase angle；
Step 3-2, and then least square method is utilized, is distributed, is obtained theoretically according to practical amplitude-frequency characteristic distribution and practical phase angle
Amplitude versus frequency characte distribution be distributed with phase angle, extraction theory amplitude versus frequency characte sequence H and theory sequence of phase angles θ；
Step 3-3, level of significance α is set；Assuming that simulation Suzuki fading channels meet theory calls, it is denoted as H0；
Step 3-4, verification is compared with theory amplitude versus frequency characte sequence H to amplitude versus frequency characte h using card side's hypothesis testing method：It calculates
The chi-square value for going out amplitude versus frequency characte h and theoretical amplitude versus frequency characte sequence H, finds statistically corresponding P values, if amplitude-frequency using chi-square value
Statistically corresponding P values are more than the conspicuousness water that step 3-3 is set to characteristic h with the chi-square value of theoretical amplitude versus frequency characte sequence H
H is assumed in flat α, then result receiving0, then illustrate that amplitude versus frequency characte h meets preliminary identification；Using card side's hypothesis testing method to phase angle characteristics
Φ is compared verification with theory sequence of phase angles θ：The chi-square value for calculating phase angle characteristics Φ and theoretical sequence of phase angles θ, utilizes card
Side's value finds statistically corresponding P values, if phase angle characteristics Φ and the chi-square value of theoretical sequence of phase angles θ are statistically corresponding
P values are more than the level of significance α of step 3-3 settings, then result receives to assume H0, then illustrate that phase angle characteristics Φ meets just step
Card；
If amplitude versus frequency characte h and phase angle characteristics Φ meet preliminary identification, KS methods of inspection are reused to amplitude versus frequency characte h and theoretical amplitude-frequency
Characteristic sequence H is compared verification：If being more than the level of significance α of step 3-3 settings by the result that KS methods of inspection export,
As a result receive to assume H0, then illustrate that amplitude versus frequency characte h meets final verification；Using KS methods of inspection to phase angle characteristics Φ and theoretical phase
Angle sequence θ is compared verification：If being more than the level of significance α of step 3-3 settings by the result that KS methods of inspection export, tie
Fruit receives to assume H0, then illustrate that phase angle characteristics Φ meets final verification；
If amplitude versus frequency characte h and phase angle characteristics Φ meet final verification, illustrates that Suzuki fading channels are correct, meet Suzuki
Theoretical model.
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|---|---|---|---|---|
| CN111447016A (en) * | 2020-04-02 | 2020-07-24 | 上海创远仪器技术股份有限公司 | Method for realizing correctness verification processing aiming at channel model of channel simulator |
| CN111447016B (en) * | 2020-04-02 | 2022-06-21 | 上海创远仪器技术股份有限公司 | Method for realizing correctness verification processing aiming at channel model of channel simulator |
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