CN110212997A - A kind of acquisition methods and device for modulating the bit error rate - Google Patents
A kind of acquisition methods and device for modulating the bit error rate Download PDFInfo
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- CN110212997A CN110212997A CN201910485340.0A CN201910485340A CN110212997A CN 110212997 A CN110212997 A CN 110212997A CN 201910485340 A CN201910485340 A CN 201910485340A CN 110212997 A CN110212997 A CN 110212997A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
Abstract
The embodiment of the present application provides a kind of acquisition methods for modulating the bit error rate, is related to field of communication technology, comprising: is received by the receiving channel of predistorter to transmission signal；And transmission signal is pre-processed, obtain the calculating data for calculating；Gross data corresponding with transmission signal is obtained, and gross data is determined as to send data, data will be calculated and be determined as receiving data；It is calculated according to data, reception data and preset calculation formula is sent, obtains the modulation bit error rate (MER).Implement this embodiment, can reduce the monitoring cost of MER, and can reduce the requirement to algorithm.
Description
Technical field
This application involves fields of communication technology, in particular to a kind of acquisition methods and device for modulating the bit error rate.
Background technique
Currently, (Modulation error ratio is modulated the bit error rate (MER) MER in digital ground wireless coverage
It is the important index of a measurement quality of wireless channel.Therefore, the heart in existing technology, it usually needs in wireless base station
The value of real-time monitoring MER, so that wireless base station can adjust the work shape of driver and transmitter in real time according to the value of MER
State.
However, it has been found in practice that the monitoring of MER at present be usually all be monitored using dedicated instrument, also,
It requires to be equipped with an above-mentioned dedicated instrument in each transmitter, therefore causes the monitoring cost of MER higher；Another party
The monitoring in face, MER can also carry out auxiliary monitoring using tuner TUNER, and still, this kind of method also needs to read by software
Constellation value after demodulation, is then calculated further according to formula, it is seen then that and this kind of MER monitoring mode needs additional increase hardware, from
And cost is improved, while this kind of MER monitoring mode is to the more demanding of algorithm.
Summary of the invention
The embodiment of the present application is designed to provide a kind of acquisition methods and device for modulating the bit error rate, can reduce MER
Monitoring cost, and can reduce the requirement to algorithm.
The embodiment of the present application provides a kind of acquisition methods for modulating the bit error rate, comprising:
Transmission signal is received by predistorter；
The transmission signal is pre-processed, the calculating data for calculating are obtained；
Gross data corresponding with the transmission signal is obtained, and the gross data is determined as to send data, by institute
Calculating data are stated to be determined as receiving data；
It is calculated according to the transmission data, the reception data and preset calculation formula, obtains modulation error code
Rate.
During above-mentioned realization, predistorter can be first passed through in advance to receive transmission signal, in the step, predistorter
The a part that can be the acquisition device of the modulation bit error rate, is also possible to a kind of external predistorter, therefore, pre- using this kind
Distorter can reduce cost, also, when the predistorter is a part in above-mentioned acquisition device, will no longer generate additional
Cost avoids the expense of cost；After receiving transmission signal, which is pre-processed, obtaining can be with
For the calculating data of calculating, various processing are carried out to transmission signal during being somebody's turn to do, wherein just including analog signal
Processing and analog-to-digital conversion processing, should during it is available to the calculating data for directly applying to calculating, so as to
The complicated processes in other methods to data acquisition are avoided, and then simplify the process calculated；After getting calculating data, obtain
The signal data of the original signal of transmission signal before transmission is taken, and the signal data of the original signal is considered as gross data
(data not being lost), and before the computation, gross data is determined as to send data, above-mentioned calculating data are determined
To receive data, so that the source of data is fixed, and then facilitates subsequent data to substitute into, to simplify the mistake calculated
Journey；It in above-mentioned transmission data and receives on the basis that data determine, two kinds of data is substituted into preset calculation formula, and carry out
It calculates, to obtain the modulation bit error rate (MER).As it can be seen that implementing this embodiment, can be dropped by the use of predistorter
Low cost, and the complexity of calculating can be simplified by the selections of data and the calculating of preset formula, to reduce calculating
Difficulty improves computational efficiency, so that the acquisition of the modulation bit error rate is more efficient.
Further, the transmission signal is obtained by power amplification, frequency adjustment, filtering and analog-to-digital conversion.
During above-mentioned realization, transmission signal is to have passed through LNA (low-noise amplifier) to carry out power amplification, using
Frequency converter carries out frequency conversion, then passes through filter filtering, the signal being converted to finally by analog-digital converter.As it can be seen that at this
During method executes, transmission signal can be with processed premise for above-mentioned content, therefore in the method, this limitation
The accuracy and stability of transmission signal can be improved, to improve the accuracy of this method calculating.
Further, the step of transmission signal is pre-processed, obtains the calculating data for calculating packet
It includes:
The transmission signal is filtered, the first conversion signal is obtained；
Inphase quadrature modulation is carried out to first conversion signal, obtains the second conversion signal；
Power match is carried out to second conversion signal, obtains third conversion signal；
Processing is synchronized to the third conversion signal, obtains the calculating data for calculating.
During above-mentioned realization, the acquisition modes for calculating data are defined, wherein the process includes to transmission signal
Filtering operation, IQ correct operation, power match operation and synchronization process operate four steps, finally obtain based on calculating
Count evidence.Wherein, which can limit the acquisition process for calculating data, so that calculating data are more accurate, into
And improve the accuracy in computation of the modulation bit error rate (MER).
It is further, described to be calculated according to the transmission data, the reception data and preset calculation formula,
Obtain modulation the bit error rate the step of include:
It obtains transmission data first in-phase data that includes and the first orthogonal data and the received data packet includes
The second in-phase data and the second orthogonal data；
Sampled data is calculated according to first in-phase data and first orthogonal data, and according to described first
Error information is calculated in in-phase data, first orthogonal data, second in-phase data and second orthogonal data；
The sampled data and the error information are substituted into the calculation formula to calculate, obtain the modulation bit error rate.
During above-mentioned realization, it can refine and send data and receive the in-phase data and orthogonal in two data of data
Data, and primary Calculation is carried out according to above-mentioned four got data, obtain two intermediate data (i.e. sampled datas and error
Data) it is calculated so that the sampled data and intermediate data can be directly substituted into formula, thereby reduces the tired of calculating
Difficulty.
Further, the calculation formula includes:
Wherein, I_TXiFor first in-phase data；
Q_TXiFor first orthogonal data；
I_RXiFor second in-phase data；
Q_RXiFor second orthogonal data；
PW_DATA is the sampled data；
ERROR_DATA is the error information；
MER is the modulation bit error rate.
During above-mentioned realization, above-mentioned calculation formula is a formula group, and therefore, which can be adapted for difference
Calculated case, when getting sampled data and error information, it is only necessary to substitute into the third equation of above-mentioned calculation formula i.e.
Can, still, when sampled data and error information do not calculate completion, it can be calculated most according to in-phase data and orthogonal data
The whole modulation bit error rate.On the other hand, which is also the calculation method of above-mentioned sampled data and error information, therefore,
For from many aspects, which can play the easy effect for calculating the modulation bit error rate.
The embodiment of the present application second aspect provides a kind of acquisition device for modulating the bit error rate, and the modulation bit error rate obtains
The device is taken to include:
Receiving unit, for receiving transmission signal by predistorter；
Processing unit obtains the calculating data for calculating for pre-processing to the transmission signal；
Determination unit for obtaining gross data corresponding with the transmission signal, and the gross data is determined as
Data are sent, the calculating data are determined as to receive data；
Computing unit, for being calculated according to the transmission data, the reception data and preset calculation formula,
Obtain the modulation bit error rate.
During above-mentioned realization, the predistorter that receiving unit includes can be first passed through in advance to receive transmission signal, be somebody's turn to do
Predistorter can be a part of receiving unit, i.e. a part of the acquisition device of the modulation bit error rate in operation；It is also possible to
A kind of external predistorter, i.e., with the receiving unit that includes in the associated control device of the modulation acquisition device of the bit error rate.
As it can be seen that this predistorter for including using receiving unit can reduce cost, also, when the predistorter is above-mentioned acquisition dress
When a part in setting, extra cost will be no longer generated, it even more can be to avoid the expense of cost；In addition, being received in processing unit
To after transmission signal, transmission signal can be pre-processed, obtain the calculating data that can be used for calculating, should handled in the process
Unit has carried out various processing to transmission signal, wherein various processing just include processing and the mould of analog signal
Number conversion processing, in the operating process of processing unit it is available to may be directly applied to calculating calculating data, from
And it can be to avoid to the troublesome operation of data acquisition, and then simplifying the process calculated in other devices；It is complete in above-mentioned processing unit
After processing operation, the available calculating data of determination unit, and obtain the original signal of transmission signal before transmission
Signal data, then the signal data of the original signal is considered as gross data (data not being lost), and before the computation,
Gross data can also be determined as sending data by determination unit, above-mentioned calculating data are determined as to receive data, to make
The source for obtaining data is fixed, and then subsequent data is facilitated to substitute into, to simplify the process calculated；In above-mentioned transmission data and
It receiving on the basis that data determine, two kinds of data are substituted into preset calculation formula by computing unit, and are calculated, thus
To the modulation bit error rate (MER).As it can be seen that implementing this embodiment, the acquisition device for modulating the bit error rate can pass through receiving unit
Including predistorter reduce cost, and can through the processing unit, determination unit and computing unit carried out paired data
Selection, and simplify according to preset formula the complexity of calculating, to reduce difficulty in computation, improve computational efficiency, in turn
So that the acquisition of the modulation bit error rate is more efficient.
Further, the processing unit includes:
Filtering subunit obtains the first conversion signal for being filtered to the transmission signal；
Subelement is corrected, for carrying out inphase quadrature modulation to first conversion signal, obtains the second conversion signal；
Coupling subelement obtains third conversion signal for carrying out power match to second conversion signal；
Synchronous subelement obtains the calculating data for calculating for synchronizing processing to the third conversion signal.
During above-mentioned realization, the construction of the inside subelement of processing unit is defined, wherein filtering is single
Member is used to complete the operation of IQ correction for completing the filtering operation to transmission signal, correction subelement, and coupling subelement is used for
The operation for completing power match and synchronous subelement are for completing synchronization process and obtaining the behaviour of the calculating data for calculating
Make.As it can be seen that four subelements, which can limit, calculates the acquisition process of data in a device, to pass through the son in the device
Unit improves the acquisition precision for calculating data, and then the accuracy in computation of the modulation bit error rate can be improved.
Further, the computing unit includes:
Subelement is obtained, for obtaining the first in-phase data and the first orthogonal data and institute that the transmission data include
State the second in-phase data and the second orthogonal data that received data packet includes；
Computation subunit, for hits to be calculated according to first in-phase data and first orthogonal data
According to, and according to first in-phase data, first orthogonal data, second in-phase data and second orthogonal data
Error information is calculated；
The computation subunit is also used to substituting into the sampled data and the error information into the calculation formula progress
It calculates, obtains the modulation bit error rate.
During above-mentioned realization, it is available same in data and reception two data of data to sending to obtain subelement
Phase data and orthogonal data, and primary Calculation is carried out according to above-mentioned four got data by computation subunit, obtain two
A intermediate data (i.e. sampled data and error information), so that computation subunit can be straight by sampled data and intermediate data
It connects substitution formula to be calculated, thereby reduces the degree of difficulty of calculating.
The embodiment of the present application third aspect provides a kind of electronic equipment, including memory and processor, the storage
Device is for storing computer program, and the processor runs the computer program so that the computer equipment is executed according to this
Apply for the acquisition methods of the modulation bit error rate described in any one of embodiment first aspect.
The embodiment of the present application fourth aspect provides a kind of computer readable storage medium, is stored with computer program and refers to
It enables, when the computer program instructions are read and run by a processor, executes any one of the embodiment of the present application first aspect
The acquisition methods of the modulation bit error rate.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application will make below to required in the embodiment of the present application
Attached drawing is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore should not be seen
Work is the restriction to range, for those of ordinary skill in the art, without creative efforts, can be with
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of flow diagram of acquisition methods for modulating the bit error rate provided by the embodiments of the present application；
Fig. 2 is the flow diagram of the acquisition methods of another modulation bit error rate provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of acquisition device for modulating the bit error rate provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of the acquisition device of another modulation bit error rate provided by the embodiments of the present application；
Fig. 5 is a kind of flow diagram of acquisition process for transmitting signal provided by the embodiments of the present application；
Fig. 6 is a kind of flow diagram of acquisition process for calculating data provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile the application's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Embodiment 1
Fig. 1 is please referred to, Fig. 1 provides a kind of process signal of acquisition methods for modulating the bit error rate for the embodiment of the present application
Figure.The acquisition methods of the modulation bit error rate can be applied in DTMB (T-DMB), for wireless channel
Quality carries out real-time monitoring, to guarantee the operation working properly of driver and transmitter.Wherein, the acquisition of the modulation bit error rate
Method includes:
S101, transmission signal is received by predistorter.
In the present embodiment, transmission signal is obtained by power amplification, frequency adjustment, filtering and analog-to-digital conversion.Its
In, it can be understood as, transmission signal is obtained by LNA (low-noise amplifier), frequency converter, filter and analog-digital converter
It arrives.
In the present embodiment, predistortion refers to pre-distortion technology, and essence is a kind of widely used radio-frequency power amplifier
Linearization technique, due to its simplicity, it can be used as separate unit use, therefore this technology has obtained widely
Using.
In the present embodiment, predistorter is that have above-mentioned predistortion function or the device using above-mentioned pre-distortion technology.
Under normal conditions, the usage mode of the predistorter and building are all relatively simple, therefore can substantially be dropped using the cost of the device
It is low；On the other hand, the setting position of the predistorter can fill to modulate in the acquisition device of the modulation bit error rate or accordingly
In setting, that is to say, that predistorter is a part of acquisition device, therefore it is corresponding to carry out no longer to need additionally to add device
Operation, so that predistorter will not can generate additional cost again from the point of view of this aspect, thereby reduces opening for overall cost
Pin.
In the present embodiment, predistortion process can be fallen in FPGA plate (field programmable gate array plate), therefore this is held
Row main body may be FPGA plate；Meanwhile it transmitting signal and being also possible to what FPGA was received.
As shown in figure 5, Fig. 5 is a kind of acquisition flow chart of the transmission signal provided in the present embodiment, wherein in the process
It can be seen that transmission signal is by LNA (Low Noise Amplifier, low-noise amplifier), frequency converter, filter in figure
And analog-digital converter is got.I.e. described transmission signal is by power amplification, frequency adjustment, filtering and modulus above
It is converted to.
In the present embodiment, transmission signal is the signal data received by receiving channel.
In the present embodiment, existing modulating equipment (or the acquisition device of the modulation bit error rate, the two function is consistent,
Only name is different) not only to send data also need to receive the data of transmission (by built-in digital predistorter into
Row receives), therefore the step can use existing receiving channel and receive to transmission signal (signal data), it is seen then that it should
Method does not need to increase additional hardware cost.
S102, transmission signal is pre-processed, obtains the calculating data for calculating.
In the present embodiment, pretreatment can be all kinds of pretreatments, not be limited in any way in the present embodiment.Specifically, pre- place
Reason can be pre-distortion.
In the present embodiment, the principle of predistortion is to be cascaded by a predistortion element with power amplifier element, non-linear
Distortion function is built in digital, digital base band signal process domain, suitable (or equal) with the distortion quantity that amplifier is shown,
But function is opposite.The two non-linear distortion functions are combined, just can be realized highly linear, undistorted system.Number
The challenge of word pre-distortion technology be power amplifier element distortion (i.e. non-linear) characteristic can at any time, the variation of temperature and bias
And change, it is different due to the difference of device.Therefore, it is calculated although can determine characteristic for a device and design correct predistortion
Method, but it is then infeasible for carrying out above-mentioned work economically to each device.In order to solve above-mentioned deviation, we must make
With feedback mechanism, output signal is sampled, and to correct pre-distortion algorithms.Digital pre-distortion uses digital circuit
This predistorter generallys use Digital Signal Processing to complete.It is put by increasing a nonlinear circuit to compensate power
Device is non-linear greatly.Simple AB class platform can be used, in power amplifier (power amplifier element) thus so as to disappear
Except the burden and complexity of base station manufacturer manufacture feed-forward amplifier.Further, since amplifier no longer needs error amplifier to be distorted
Correcting circuit, therefore can significant raising system effectiveness.
In the present embodiment, what AB class platform referred to is that (B class is put for power amplifier (class-a amplifier) and linear amplifier
Big device) both combining amplifier, it is a kind of design of compatible A class Yu two kinds of power amplifier advantages of B class.
In the present embodiment, pretreated object is to transmit signal, and obtain the result is that calculating data, wherein the biography
Defeated signal is digital signal, which is exactly the data in digital signal to be carried out with sampling arrangement, therefore put this implementation for this
It will no longer be repeated in example.
S103, acquisition gross data corresponding with transmission signal, and gross data is determined as to send data, number will be calculated
According to be determined as receive data.
In the present embodiment, gross data is the data information transmitted before signal transmission, alternatively, gross data can be transmission
Signal not no data by any interference before transmission, or, gross data can be the optimum number that theoretically receives
It is believed that breath.
In the present embodiment, gross data is determined as to send data, will calculate the purpose that data are determined as receiving data is
Operation for simplicity improves operation efficiency to reduce integral operation burden.
S104, it is calculated according to transmission data, reception data and preset calculation formula, obtains the modulation bit error rate.
In the present embodiment, data can will be sent, data is received and brings preset calculation formula into and calculate, to obtain
The final modulation bit error rate.
In the present embodiment, preset calculation formula can be combinatorial formula, or formula group, to this present embodiment
In be not limited in any way.
In the present embodiment, this method can be applied to DTMB (GB20600-2006, full name Digital Terrestrial
Multimedia Broadcast, i.e. T-DMB) in.And the DTMB original name is DMB-T/H (Digital
Multimedia Broadcast-Terrestrial/Handheld, i.e. digital multimedia broadcasting-ground/hand-held), during it is
State's digital video-frequency broadcast standard is the standard of the related DTV formulated by country and flowing digital broadcasting.Wherein, the standard
The televiewer that Chinese half can be serviced, especially in suburb and rural area.
In the present embodiment, DTMB has multiple subcarriers (referred to as " heavily loaded wave ") and single subcarrier (referred to as " single carrier ")
Both of which.But DTMB has only formulated data and has sent standard as MPEG-TS (a kind of data transmission standard), but the transmission mark
Standard is not specified by broadcasting stream coding standard.
In the present embodiment, above-mentioned steps can be realized by the acquisition device of the modulation bit error rate, or be also possible to
The corresponding control device of acquisition device for modulating the bit error rate, to not being limited in any way in this present embodiment.Wherein, above-mentioned modulation misses
The acquisition device of code rate can be modulating device itself (built-in predistorter) or the external controller with predistorter.
As it can be seen that implementing the acquisition methods of the described modulation bit error rate of Fig. 1, predistorter can be first passed through in advance to receive and pass
Defeated signal, wherein predistorter can be a part of the acquisition device of the modulation bit error rate, be also possible to the pre- mistake of external one kind
Therefore true device can reduce cost using this kind of predistorter, also, when the predistorter is one in above-mentioned acquisition device
When part, extra cost will be no longer generated, that is, avoids the expense of cost；This method can also receive transmission signal it
Afterwards, transmission signal is pre-processed, obtains can be used for the calculating data calculated, it is seen then that should during to transmission signal into
Go various processing, and these processing can include the processing of analog signal and the processing of analog-to-digital conversion, and should
Process is available to the calculating data for directly applying to calculating, so as to avoid in other methods to the cumbersome of data acquisition
Process, and then simplify the process calculated；This method can also obtain the transmission signal and transmit after getting calculating data
The signal data of preceding original signal, and the signal data of the original signal is considered as the gross data (number not being lost
According to), meanwhile, gross data can be determined as sending data by the step before the computation, and above-mentioned calculating data are determined as
Data are received, are fixed up so that participating in calculating data, and then subsequent data is facilitated to substitute into, to simplify the mistake calculated
Journey；Finally, this method can also substitute into two kinds of data default on the basis that above-mentioned transmission data and reception data determine
Calculation formula, and calculated, to obtain the modulation bit error rate.As it can be seen that implementing this embodiment, predistortion can be passed through
The use of device reduces cost, and can simplify the complexity of calculating by the selections of data and the calculating of preset formula,
To reduce difficulty in computation, computational efficiency is improved, so that the acquisition of the modulation bit error rate is more efficient.
Embodiment 2
Fig. 2 is please referred to, Fig. 2 is the process signal of the acquisition methods of another modulation bit error rate provided by the embodiments of the present application
Figure.The flow diagram of the acquisition methods of the described modulation bit error rate of Fig. 2 is obtaining for the modulation bit error rate according to described in Fig. 1
The flow diagram of method is taken to improve.Wherein, the acquisition methods of the modulation bit error rate include:
S201, transmission signal is received by predistorter.
In the present embodiment, transmission signal is obtained by power amplification, frequency adjustment, filtering and analog-to-digital conversion.Its
In, it can be understood as, transmission signal is obtained by LNA (low-noise amplifier), frequency converter, filter and analog-digital converter
It arrives.
In the present embodiment, transmission signal is to have passed through LNA (low-noise amplifier) to carry out power amplification, using frequency conversion
Device carries out frequency conversion, then passes through filter filtering, the signal being converted to finally by analog-digital converter.As it can be seen that in this method
During execution, transmission signal can be with processed premise for above-mentioned content, therefore in the method, and this limitation can be with
The accuracy and stability of transmission signal are improved, to improve the accuracy of this method calculating.
In the present embodiment, predistortion refers to pre-distortion technology, and essence is a kind of widely used radio-frequency power amplifier
Linearization technique, due to its simplicity, it can be used as separate unit use, therefore this technology has obtained widely
Using.
In the present embodiment, predistorter is that have above-mentioned predistortion function or the device using above-mentioned pre-distortion technology.
Under normal conditions, the usage mode of the predistorter and building are all relatively simple, therefore can substantially be dropped using the cost of the device
It is low；On the other hand, the setting position of the predistorter can fill to modulate in the acquisition device of the modulation bit error rate or accordingly
In setting, that is to say, that predistorter is a part of acquisition device, therefore it is corresponding to carry out no longer to need additionally to add device
Operation, so that predistorter will not can generate additional cost again from the point of view of this aspect, thereby reduces opening for overall cost
Pin.
In the present embodiment, predistortion process can fall within FPGA plate (Field-Programmable Gate Array,
Field programmable gate array plate) in, therefore the executing subject may be FPGA plate.
In the present embodiment, transmission signal is the signal data received by receiving channel.
In the present embodiment, existing modulating equipment (or the acquisition device of the modulation bit error rate, the two function is consistent,
Only name is different) not only to send data also need to receive the data of transmission (by built-in digital predistorter into
Row receives), therefore the step can use existing receiving channel and receive to transmission signal (signal data), it is seen then that it should
Method does not need to increase additional hardware cost.
S202, transmission signal is filtered, obtains the first conversion signal.
In the present embodiment, actual conditions are subject to for means of filtering, can may be bandpass filtering for high-pass filtering,
To not being limited in any way in this present embodiment.
In the present embodiment, transmission signal is digital signal, and the first obtained conversion signal is also digital signal.
S203, inphase quadrature modulation is carried out to the first conversion signal, obtains the second conversion signal.
The present embodiment exists, and inphase quadrature modulation can be understood as IQ (inphase quadrature) correction.
In the present embodiment, the second conversion signal is also digital signal.
S204, power match is carried out to the second conversion signal, obtains third conversion signal.
In the present embodiment, power match is meant to be matched according to power, in this present embodiment without repeating.
In the present embodiment, third conversion signal is also digital signal.
S205, processing is synchronized to third conversion signal, obtains the calculating data for calculating.
In the present embodiment, synchronization process includes that initial data is synchronous with reception data.
Implementation steps S202 to step S205 can determine the acquisition modes for calculating data, wherein the process includes to biography
The filtering operation of defeated signal, IQ correct operation, power match operation and synchronization process operate four steps, finally obtain and be used for
The calculating data of calculating.Wherein, which can limit the acquisition process for calculating data, so that calculating data more
Accurately, and then the accuracy in computation for modulating the bit error rate is improved.
As shown in fig. 6, Fig. 6 is a kind of acquisition flow chart of the calculating data provided in the present embodiment, wherein in the process
It can be seen that calculating the predistortion process before data in figure, i.e. predistortion process described in step S202 to step S205.
S206, acquisition gross data corresponding with transmission signal, and gross data is determined as to send data, number will be calculated
According to be determined as receive data.
In the present embodiment, gross data is the data information transmitted before signal transmission, alternatively, gross data can be transmission
Signal not no data by any interference before transmission, or, gross data can be the optimum number that theoretically receives
It is believed that breath
In the present embodiment, gross data is determined as to send data, will calculate the purpose that data are determined as receiving data is
Operation for simplicity improves operation efficiency to reduce integral operation burden.
S207, it obtains and sends data the first in-phase data for including and the first orthogonal data and received data packet includes the
Two in-phase datas and the second orthogonal data.
In the present embodiment, sending data includes the first in-phase data and the first orthogonal data.
In the present embodiment, received data packet includes the second in-phase data and the second orthogonal data.
In the present embodiment, above-mentioned data all can be the data pair or data group of pairs of or mating appearance.
S208, sampled data is calculated according to the first in-phase data and the first orthogonal data, and according to the first same number of phases
According to, the first orthogonal data, the second in-phase data and the second orthogonal data error information is calculated.
In the present embodiment, the formula in step S209 included is referred to for the method for calculating, in this present embodiment
No longer repeated.
S209, sampled data and error information substitution calculation formula are calculated, obtains the modulation bit error rate.
As an alternative embodiment, calculation formula includes:
Wherein, I_TXi is the first in-phase data；
Q_TXi is the first orthogonal data；
I_RXi is the second in-phase data；
Q_RXi is the second orthogonal data；
PW_DATA is sampled data；
ERROR_DATA is error information；
MER is the modulation bit error rate.
The embodiment of implementation steps S206 to step S209 can refine and send data and receive in two data of data
In-phase data and orthogonal data, and according to above-mentioned four got data carry out primary Calculation, obtain two intermediate data
(i.e. sampled data and error information) is calculated so that the sampled data and intermediate data can be directly substituted into formula,
Thereby reduce the degree of difficulty of calculating.Meanwhile using above-mentioned calculation formula (formula group), it can be adapted for different calculating feelings
Condition, when getting sampled data and error information, it is only necessary to the third equation of above-mentioned calculation formula is substituted into, still,
When sampled data and error information do not calculate completion, final modulation can be calculated according to in-phase data and orthogonal data
The bit error rate (MER).On the other hand, which is also the calculation method of above-mentioned sampled data and error information, therefore, from more
For aspect, which can play the easy effect for calculating the modulation bit error rate.
As it can be seen that implementing the acquisition methods of the described modulation bit error rate of Fig. 2, can be reduced by the use of predistorter
Cost, and the complexity of calculating can be simplified by the selections of data and the calculating of preset formula, so that it is difficult to reduce calculating
Degree improves computational efficiency, so that the acquisition of the modulation bit error rate is more efficient.
Embodiment 3
Fig. 3 is please referred to, Fig. 3 is a kind of structural representation of acquisition device for modulating the bit error rate provided by the embodiments of the present application
Figure.Wherein, the acquisition device of the modulation bit error rate includes:
Receiving unit 310, for receiving transmission signal by predistorter；
Processing unit 320 obtains the calculating data for calculating for pre-processing to transmission signal；
Determination unit 330 for obtaining gross data corresponding with signal is transmitted, and gross data is determined as to send number
According to, by calculate data be determined as receive data；
Computing unit 340 is obtained for being calculated according to transmission data, reception data and preset calculation formula
Modulate the bit error rate.
In the present embodiment, transmission signal is obtained by power amplification, frequency adjustment, filtering and analog-to-digital conversion.Its
In, it can be understood as, transmission signal is obtained by LNA (low-noise amplifier), frequency converter, filter and analog-digital converter
It arrives.
In the present embodiment, transmission signal is to have passed through LNA (low-noise amplifier) to carry out power amplification, using frequency conversion
Device carries out frequency conversion, then passes through filter filtering, the signal being converted to finally by analog-digital converter.As it can be seen that in the present apparatus
Middle transmission signal can be needed with processed premise referring to above-mentioned content, therefore in the method, this limitation can be improved
The accuracy and stability of signal are transmitted, to improve accuracy of the device when calculating.
In the present embodiment, receiving unit 310 may include predistorter, and the receiving unit 310 is the modulation bit error rate
A part in acquisition device (or modulating device), at the same time, receiving unit 310 further include other reception devices, are such as believed
Number receiver, to no longer adding to repeat in this present embodiment.It can be seen that the receiving unit 310, which can play, reduces cost.
In the present embodiment, relationship between 340 three of processing unit 320, determination unit 330 and computing unit is close can not
Point, and be wherein all linked with one another to the processing of data, therefore, it can be seen that under the collaborative work of three, can be easy
The modulation bit error rate (MER) is calculated, to improve computational efficiency, reduces dyscalculia degree.
In the present embodiment, the acquisition device for modulating the bit error rate can execute institute in the acquisition methods of the above-mentioned modulation bit error rate
Have step, and the explanation in the acquisition methods of the above-mentioned modulation bit error rate can be continued to use, in this present embodiment no longer into
Row repeats.
As it can be seen that the acquisition device of the described modulation bit error rate of implementing Fig. 3, can first pass through receiving unit 310 in advance includes
Predistorter receive transmission signal, in the operation predistorter can be a part of receiving unit 310, i.e. modulation error code
A part of the acquisition device of rate；Be also possible to a kind of external predistorter, i.e., it is related to the modulation acquisition device of the bit error rate
The receiving unit 310 for including in the control device of connection.As it can be seen that this predistorter for including using receiving unit 310 can drop
Low cost, also, when the predistorter is a part in above-mentioned acquisition device, extra cost will be no longer generated, even more may be used
To avoid the expense of cost；In addition, transmission signal can be pre-processed after processing unit 320 receives transmission signal,
The calculating data that can be used for calculating are obtained, 320 pairs of transmission signals of processing unit have carried out various processing during being somebody's turn to do,
In it is various processing just include the processing of analog signal and the processing of analog-to-digital conversion, in the operation of processing unit 320
It is available to the calculating data that may be directly applied to calculate in journey, so as to avoid in other devices to data acquisition
Troublesome operation, and then simplify the process calculated；After above-mentioned processing unit 320 completes processing operation, determination unit 330 can be with
It obtains and calculates data, and obtain the signal data of the original signal of transmission signal before transmission, then by the letter of the original signal
Number is considered as gross data (data not being lost), and before the computation, determination unit 330 can also be by gross data
It is determined as sending data, above-mentioned calculating data is determined as to receive data, so that the source of data is fixed, in turn
Subsequent data are facilitated to substitute into, to simplify the process calculated；It in above-mentioned transmission data and receives on the basis that data determine, meter
It calculates unit 340 and two kinds of data is substituted into preset calculation formula, and calculated, to obtain the modulation bit error rate (MER).It can
See, implement this embodiment, the acquisition device for modulating the bit error rate can be dropped by the predistorter that receiving unit 310 includes
Low cost, and can with the selection of through the processing unit 320, determination unit 330 and the complete paired data of computing unit 340, and
Simplify the complexity of calculating according to preset formula, to reduce difficulty in computation, improve computational efficiency, so that modulation misses
The acquisition of code rate (MER) is more efficient.
Embodiment 4
Fig. 4 is please referred to, Fig. 4 is the structural representation of the acquisition device of another modulation bit error rate provided by the embodiments of the present application
Figure.The structural schematic diagram of the acquisition device of the described modulation bit error rate of Fig. 4 is obtaining for the modulation bit error rate according to described in Fig. 3
The structural schematic diagram of device is taken to improve.Wherein, in the acquisition device of the modulation bit error rate, processing unit 320 is wrapped
It includes:
Filtering subunit 321 obtains the first conversion signal for being filtered to transmission signal；
Subelement 322 is corrected, for carrying out inphase quadrature modulation to the first conversion signal, obtains the second conversion signal；
Coupling subelement 323 obtains third conversion signal for carrying out power match to the second conversion signal；
Synchronous subelement 324 obtains the calculating data for calculating for synchronizing processing to third conversion signal.
Implement this embodiment, can the inside subelement to processing unit 320 be defined, wherein filtering son
Unit 321 is used to complete the filtering operation to transmission signal, and correction subelement is used to complete the operation of IQ correction, coupling subelement
323 operations by completing power match and synchronous subelement 324 are by completing synchronization process and obtaining based on calculating
The operation for the evidence that counts.As it can be seen that four subelements, which can limit, calculates the acquisition process of data in a device, thus by should
Subelement in device improves the acquisition precision for calculating data, and then the calculating of the modulation bit error rate (MER) can be improved
Accuracy.
As an alternative embodiment, computing unit 340 includes:
Subelement 341 is obtained, sends the first in-phase data and the first orthogonal data and connect that data include for obtaining
Receive the second in-phase data and the second orthogonal data that data include；
Computation subunit 342, for sampled data, and root to be calculated according to the first in-phase data and the first orthogonal data
Error information is calculated according to the first in-phase data, the first orthogonal data, the second in-phase data and the second orthogonal data；
Computation subunit 342 is also used to calculate sampled data and error information substitution calculation formula, be modulated
The bit error rate.
Implement this embodiment, it is available into transmission data and reception two data of data to obtain subelement 341
In-phase data and orthogonal data, and by computation subunit 342 according to above-mentioned four got data carry out primary Calculation,
Obtain two intermediate data (i.e. sampled data and error information) so that computation subunit 342 can by sampled data and
Intermediate data is directly substituted into formula and is calculated, and thereby reduces the degree of difficulty of calculating.
In the present embodiment, the acquisition device for modulating the bit error rate can execute institute in the acquisition methods of the above-mentioned modulation bit error rate
Have step, and the explanation in the acquisition methods of the above-mentioned modulation bit error rate can be continued to use, in this present embodiment no longer into
Row repeats.
As an alternative embodiment, calculation formula used in computation subunit 342 includes:
Wherein, I_TXi is the first in-phase data；
Q_TXi is the first orthogonal data；
I_RXi is the second in-phase data；
Q_RXi is the second orthogonal data；
PW_DATA is sampled data；
ERROR_DATA is error information；
MER is the modulation bit error rate.
As it can be seen that implementing the acquisition device of the described modulation bit error rate of Fig. 4, can be reduced by the use of predistorter
Cost, and the complexity of calculating can be simplified by the selections of data and the calculating of preset formula, so that it is difficult to reduce calculating
Degree improves computational efficiency, so that the acquisition of the modulation bit error rate is more efficient.
The embodiment of the present application also provides a kind of electronic equipment, including memory and processor, above-mentioned memory is used for
Computer program is stored, above-mentioned processor runs above-mentioned computer program so that above-mentioned computer equipment is executed according to the application reality
Apply the acquisition methods of any one of example 1 or embodiment 2 the modulation bit error rate.
The embodiment of the present application also provides a kind of computer readable storage mediums, are stored with computer program instructions, on
When stating computer program instructions and being read and run by a processor, the modulation of any one of the embodiment of the present application 1 or embodiment 2 is executed
The acquisition methods of the bit error rate.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the application, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent a module or unit, program segment or generation
A part of code, above-mentioned module, said units, a part of program segment or code include one or more for realizing defined
The executable instruction of logic function.It should also be noted that in some implementations as replacement, function marked in the box
It can also occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be substantially in parallel
It executes, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/
Or the combination of each box in flow chart and the box in block diagram and or flow chart, can with execute as defined in function or
The dedicated hardware based system of movement is realized, or can be realized using a combination of dedicated hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the application can integrate one independence of formation together
Part, be also possible to modules or unit individualism, can also be integrated to form with two or more modules or unit
One independent part.
If above-mentioned function is realized in the form of software function module or SFU software functional unit and as independent product pin
It sells or in use, can store in a computer readable storage medium.Based on this understanding, the technical side of the application
Substantially the part of the part that contributes to existing technology or the technical solution can be with the shape of software product in other words for case
Formula embodies, which is stored in a storage medium, including some instructions are used so that a calculating
Machine equipment (can be personal computer, server or the network equipment etc.) executes each embodiment above method of the application
All or part of the steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above content is only embodiments herein, the protection scope being not intended to limit this application, for ability
For the technical staff in domain, various changes and changes are possible in this application.Within the spirit and principles of this application, made
Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this application.It should also be noted that similar label and
Letter indicates similar terms in following attached drawing, therefore, once it is defined in a certain Xiang Yi attached drawing, then in subsequent attached drawing
In do not need that it is further defined and explained.
The above content is only the specific embodiment of the application, but the protection scope of the application is not limited thereto, any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be subject to the protection scope in claims.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including above-mentioned element.
Claims (10)
1. a kind of acquisition methods for modulating the bit error rate characterized by comprising
Transmission signal is received by predistorter；
The transmission signal is pre-processed, the calculating data for calculating are obtained；
Gross data corresponding with the transmission signal is obtained, and the gross data is determined as to send data, by the meter
The evidence that counts is determined as receiving data；
It is calculated according to the transmission data, the reception data and preset calculation formula, obtains the modulation bit error rate.
2. the acquisition methods of the modulation bit error rate according to claim 1, which is characterized in that the transmission signal is by function
What rate amplification, frequency adjustment, filtering and analog-to-digital conversion obtained.
3. it is according to claim 1 modulation the bit error rate acquisition methods, which is characterized in that it is described to the transmission signal into
Row pretreatment, the step of obtaining the calculating data for calculating include:
The transmission signal is filtered, the first conversion signal is obtained；
Inphase quadrature modulation is carried out to first conversion signal, obtains the second conversion signal；
Power match is carried out to second conversion signal, obtains third conversion signal；
Processing is synchronized to the third conversion signal, obtains the calculating data for calculating.
4. the acquisition methods of the modulation bit error rate according to claim 1, which is characterized in that described according to the transmission number
The step of being calculated according to, reception data and preset calculation formula, obtaining the modulation bit error rate include:
It obtains transmission data first in-phase data that includes and the first orthogonal data and the received data packet includes the
Two in-phase datas and the second orthogonal data；
Sampled data is calculated according to first in-phase data and first orthogonal data, and according to the described first same phase
Error information is calculated in data, first orthogonal data, second in-phase data and second orthogonal data；
The sampled data and the error information are substituted into the calculation formula to calculate, obtain the modulation bit error rate.
5. the acquisition methods of the modulation bit error rate according to claim 4, which is characterized in that the calculation formula includes:
Wherein, I_TXiFor first in-phase data；
Q_TXiFor first orthogonal data；
I_RXiFor second in-phase data；
Q_RXiFor second orthogonal data；
PW_DATA is the sampled data；
ERROR_DATA is the error information；
MER is the modulation bit error rate.
6. a kind of acquisition device for modulating the bit error rate, which is characterized in that the acquisition device includes:
Receiving unit, for receiving transmission signal by predistorter；
Processing unit obtains the calculating data for calculating for pre-processing to the transmission signal；
Determination unit for obtaining gross data corresponding with the transmission signal, and the gross data is determined as sending
The calculating data are determined as receiving data by data；
Computing unit is obtained for being calculated according to the transmission data, the reception data and preset calculation formula
Modulate the bit error rate.
7. the acquisition device of the modulation bit error rate according to claim 6, which is characterized in that the processing unit includes:
Filtering subunit obtains the first conversion signal for being filtered to the transmission signal；
Subelement is corrected, for carrying out inphase quadrature modulation to first conversion signal, obtains the second conversion signal；
Coupling subelement obtains third conversion signal for carrying out power match to second conversion signal；
Synchronous subelement obtains the calculating data for calculating for synchronizing processing to the third conversion signal.
8. the acquisition device of the modulation bit error rate according to claim 6, which is characterized in that the computing unit includes:
Subelement is obtained, for obtaining transmission data first in-phase data that includes and the first orthogonal data and described connecing
Receive the second in-phase data and the second orthogonal data that data include；
Computation subunit, for sampled data to be calculated according to first in-phase data and first orthogonal data, and
It is calculated according to first in-phase data, first orthogonal data, second in-phase data and second orthogonal data
Obtain error information；
The computation subunit is also used to the sampled data and the error information substituting into the calculation formula and count
It calculates, obtains the modulation bit error rate.
9. a kind of electronic equipment, which is characterized in that the electronic equipment includes memory and processor, and the memory is used for
Computer program is stored, the processor runs the computer program so that the computer equipment is executed according to claim
The acquisition methods of the modulation bit error rate described in any one of 1 to 5.
10. a kind of readable storage medium storing program for executing, which is characterized in that computer program instructions are stored in the read/write memory medium,
When the computer program instructions are read and run by a processor, perform claim requires 1 to 5 described in any item modulation error codes
The acquisition methods of rate.
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