CN109818636A - A kind of method, apparatus, equipment and the storage medium of the gain of automatic calibration voltage controlled oscillator - Google Patents
A kind of method, apparatus, equipment and the storage medium of the gain of automatic calibration voltage controlled oscillator Download PDFInfo
- Publication number
- CN109818636A CN109818636A CN201910071834.4A CN201910071834A CN109818636A CN 109818636 A CN109818636 A CN 109818636A CN 201910071834 A CN201910071834 A CN 201910071834A CN 109818636 A CN109818636 A CN 109818636A
- Authority
- CN
- China
- Prior art keywords
- gain
- voltage controlled
- controlled oscillator
- radio
- calibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
This application involves the communications fields, more particularly to a kind of method, apparatus, equipment and the storage medium of the gain of automatic calibration voltage controlled oscillator.A kind of method of the gain of automatic calibration voltage controlled oscillator includes: to judge whether to need to calibrate the current gain of voltage controlled oscillator according to preset condition；If desired the current gain of the voltage controlled oscillator is calibrated, then obtains the corresponding frequency offset of radio-frequency channel, processing frequency offset obtains the calibration-gain of voltage controlled oscillator, configures calibration-gain.It is calibrated automatically by the current gain to voltage controlled oscillator, improve the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, the calibration-gain of voltage controlled oscillator is it is also ensured that radio frequency chip has good modulating performance at work, it thus has been obviously improved user experience, has also improved the success rate of the modulated test in Bluetooth SIG test certification.
Description
Technical field
This application involves the communications fields, more particularly to one kind to calibrate the method, apparatus of the gain of voltage controlled oscillator automatically, set
Standby and storage medium.
Background technique
When the variation of radio frequency chip local environment, the radio-frequency performance of radio frequency chip may decline, and radio frequency chip is set in advance
The current gain of the VCO (voltage controlled oscillator, voltage-controlled oscillator) set may not be able to guarantee good
Radio-frequency performance, especially modulating performance, thus user experience is influenced, in addition, cannot guarantee that BluetoothSIG (bluetooth skill
Art alliance, The Bluetooth Special Interest Group) test certification in modulated test success rate.
Summary of the invention
Aiming at the problem that gain of pre-set VCO in the prior art may not be able to guarantee good modulating performance, this
Application provides method, apparatus, equipment and the storage medium of a kind of gain of automatic calibration voltage controlled oscillator.
The first aspect of embodiments herein provides a kind of method of the gain of automatic calibration voltage controlled oscillator, packet
It includes:
Judge whether to need to calibrate the current gain of voltage controlled oscillator according to preset condition；
If desired the current gain of voltage controlled oscillator is calibrated, then obtains the corresponding frequency offset of radio-frequency channel,
Processing frequency offset obtains the calibration-gain of voltage controlled oscillator, configures calibration-gain.
In addition, with reference to first aspect, in a kind of implementation of first aspect, judging whether needs according to preset condition
Carrying out calibration to the current gain of voltage controlled oscillator includes:
When meeting preset time condition, determination needs to calibrate the current gain of voltage controlled oscillator；Or
When environment temperature is not in preset temperature section or the variable quantity of environment temperature is more than temperature change threshold value, really
Surely it needs to calibrate the current gain of voltage controlled oscillator；Or
When the received data packet of radio frequency chip meets received data packet preset condition, determination is needed to voltage controlled oscillator
Current gain is calibrated.
In addition, with reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, receiving number
Include: according to packet preset condition
The cyclic redundancy check (CRC) mistake of received data packet is more than that the incrementss of CRC error threshold or crc error are more than
Crc error increases threshold value；Or
The size error of received data packet is more than size error more than size error threshold value or the incrementss of size error
Increase threshold value；Or
The synchronization character error of received data packet is more than synchronization character error thresholds or synchronizes the incrementss of character error more than same
It walks character error and increases threshold value.
In addition, with reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, processing frequency
The calibration-gain that rate offset obtains voltage controlled oscillator includes:
Linear fit is carried out to frequency offset and obtains the calibration-gain of voltage controlled oscillator, calibration-gain includes voltage controlled gain
One or both of with tuning gain.
In addition, with reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, acquisition is penetrated
Include: before the corresponding frequency offset of frequency channel
Select radio-frequency channel；
The corresponding physical layer PHY type of radio-frequency channel is selected, PHY type includes 1MPHY and 2MPHY, whole radio-frequency channels
Corresponding PHY type is all the same.
In addition, with reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, to frequency
Offset carries out linear fit and obtains the calibration-gain of voltage controlled oscillator
In above-mentioned formula,By XnIt is calculated, XnFor the corresponding frequency offset of radio-frequency channel n, radio-frequency channel n
For n-th of radio-frequency channel, n is integer, fPLLFor phase-lock loop PLL frequency, GainnFor the corresponding voltage-controlled vibration of radio-frequency channel n
The calibration-gain of device is swung, Gcorr is the first fitting parameter, and Gcorr is positive number, and Factor is exponential fitting parameter, and Factor is
Nonnegative integer.
In addition, with reference to first aspect and its above-mentioned implementation, in another implementation of first aspect,By
XnIt is calculated and includes:
In addition, with reference to first aspect and its above-mentioned implementation, in another implementation of first aspect,By
XnIt is calculated and includes:
In above-mentioned formula, m is integer, and m is the sum of radio-frequency channel.
In addition, with reference to first aspect and its above-mentioned implementation, in another implementation of first aspect,By
XnIt is calculated and includes:
In above-mentioned formula, 0≤n≤(m-1), m are integer, and m is the sum of radio-frequency channel,(0≤j≤(m-1-a-
B) a frequency offset) is cast out by the corresponding frequency offset of whole radio-frequency channels and b minimum frequency offset measures, 0≤
A≤(m-1), 0≤b≤(m-1), and (a+b) < m, a and b are integer.
The second aspect of embodiments herein provides a kind of device of the gain of automatic calibration voltage controlled oscillator, packet
It includes:
Judgment module, for judging whether to need to calibrate the current gain of voltage controlled oscillator according to preset condition；
And calibration module, if desired the current gain of voltage controlled oscillator is calibrated, for voltage controlled oscillator
Current gain is calibrated；
Calibration module includes that offset obtains module, offset processing module and gain configuration module；
Offset obtains module for obtaining the corresponding frequency offset of radio-frequency channel；
Offset processing module obtains the calibration-gain of voltage controlled oscillator for processing frequency offset；
Gain configuration module is for configuring calibration-gain.
In addition, in a kind of implementation of second aspect, judgment module includes: in conjunction with second aspect
Time judgment module, when for meeting preset time condition, determine need to the current gain of voltage controlled oscillator into
Row calibration；Or
Temperature judgment module, for when environment temperature is not in preset temperature section or the variable quantity of environment temperature is more than
When temperature change threshold value, determination needs to calibrate the current gain of voltage controlled oscillator；Or
Data packet judgment module, when meeting received data packet preset condition for the received data packet when radio frequency chip, really
Surely it needs to calibrate the current gain of voltage controlled oscillator.
In addition, in another implementation of second aspect, receiving number in conjunction with second aspect and its above-mentioned implementation
Include: according to packet preset condition
The cyclic redundancy check (CRC) mistake of received data packet is more than that the incrementss of CRC error threshold or crc error are more than
Crc error increases threshold value；Or
The size error of received data packet is more than size error more than size error threshold value or the incrementss of size error
Increase threshold value；Or
The synchronization character error of received data packet is more than synchronization character error thresholds or synchronizes the incrementss of character error more than same
It walks character error and increases threshold value.
In addition, in conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, feature
It is, offset processing module includes:
Fitting module obtains the calibration-gain of voltage controlled oscillator for carrying out linear fit to frequency offset, and calibration increases
Benefit includes one or both of voltage controlled gain and tuning gain.
In addition, in another implementation of second aspect, device is also in conjunction with second aspect and its above-mentioned implementation
Include:
Channel selection block, for selecting radio-frequency channel；
PHY type selection module, for selecting the corresponding physical layer PHY type of radio-frequency channel, PHY type includes 1MPHY
And the corresponding PHY type of whole radio-frequency channels of 2MPHY, PHY type selection module selection is all the same.
In addition, in another implementation of second aspect, being fitted mould in conjunction with second aspect and its above-mentioned implementation
Block obtains the formula of the calibration-gain of voltage controlled oscillator are as follows:
Fitting module further includesComputing module,Computing module is used for by XnIt is calculatedIn above-mentioned formula
In, XnFor the corresponding frequency offset of radio-frequency channel n, radio-frequency channel n is n-th of radio-frequency channel, and n is integer, fPLLFor phase lock
Determine circuit PLL frequency, GainnFor the gain of the corresponding voltage controlled oscillator of radio-frequency channel n, Gcorr is the first fitting parameter,
Gcorr is positive number, and Factor is exponential fitting parameter, and Factor is nonnegative integer.
In addition, in conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect,Meter
Module is calculated to be calculatedFormula are as follows:
In addition, in conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect,Meter
Module is calculated to be calculatedFormula are as follows:
In above-mentioned formula, m is integer, and m is the sum of radio-frequency channel.
In addition, in conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect,Meter
Module is calculated to be calculatedFormula are as follows:
In above-mentioned formula, 0≤n≤(m-1), m are integer, and m is the sum of radio-frequency channel,(0≤j≤(m-1-a-
B) a frequency offset) is cast out by the corresponding frequency offset of whole radio-frequency channels and b minimum frequency offset measures, 0≤
A≤(m-1), 0≤b≤(m-1), and (a+b) < m, a and b are integer.
The third aspect of embodiments herein provides a kind of equipment, for calibrating the gain of voltage controlled oscillator automatically,
It include: memory and processor；
Memory is coupled with processor；
Memory, for storing program instruction；
Processor, the program instruction for calling memory to store, so that equipment executes the automatic school of above-mentioned first aspect
The method of the gain of quasi- voltage controlled oscillator.
The fourth aspect of embodiments herein provides a kind of computer readable storage medium, comprising: is stored thereon with
Computer program, which is characterized in that realize that the calibration automatically of above-mentioned first aspect is voltage-controlled when computer program is executed by processor
The method of the gain of oscillator.
Compared with prior art, the beneficial effect of the embodiment of the present application is: the embodiment of the present application provides a kind of automatic
Method, apparatus, equipment and the storage medium for calibrating the gain of voltage controlled oscillator are carried out by the current gain to voltage controlled oscillator
Automatic calibration, improves the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, the calibration of voltage controlled oscillator
Gain also mentions it is also ensured that radio frequency chip has good modulating performance at work, thus has been obviously improved user experience
The success rate of modulated test in high BluetoothSIG test certification.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those skilled in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow chart of the method for the gain of the automatic calibration voltage controlled oscillator of one kind of the embodiment of the present application；
Fig. 2 is the structural schematic diagram of the device of the gain of the automatic calibration voltage controlled oscillator of one kind of the embodiment of the present application；
Fig. 3 is a kind of structural schematic diagram of equipment of the embodiment of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the part of the application
Embodiment is explained in detail using example way.However, it will be understood by those skilled in the art that in each example
In, in order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and
Based on the various changes and modifications of following embodiment, the application technical solution claimed also may be implemented.
Bluetooth RF technology is a kind of wireless communication technique for closely guaranteeing reliable reception and information security.Work as radio frequency
When chip local environment changes, such as when the variation of temperature, humidity, the radio-frequency performance of radio frequency chip may decline, and especially adjust
Performance processed, so that user experience is influenced, in addition, cannot guarantee that the success rate of BluetoothSIG test certification, especially
RF consistency test in BluetoothSIG test certification, it is emphasis and difficulty in Bluetooth SIG test process
Point, since pre-set configuration parameter cannot be guaranteed that the radio-frequency performance of each radio-frequency channel is met the requirements, certification is surveyed
During examination, RF consistency test often be will fail.
Referring to FIG. 1, Fig. 1 is the process of the method for the gain of the automatic calibration voltage controlled oscillator of one kind of the embodiment of the present application
Figure.This method comprises:
S100: judge whether to need to calibrate the current gain of voltage controlled oscillator according to preset condition；
If desired the current gain of voltage controlled oscillator is calibrated, then executes S101 to S103:
S101: the corresponding frequency offset of radio-frequency channel is obtained；
S102: processing frequency offset obtains the calibration-gain of voltage controlled oscillator；
S103: configuration calibration-gain.
In S100, preset condition is that user is arranged according to the modulating performance of radio frequency chip, in the modulation of radio frequency chip
When performance is unsatisfactory for user and requires, the current gain of voltage controlled oscillator is calibrated, the present embodiment does not limit preset condition
It is fixed；If after executing the S100, however, it is determined that do not need to calibrate the current gain of VCO, then continue to use the VCO of initial setting up
Current gain；If it is determined that needing to calibrate the current gain of VCO, then calibration operation is executed, calibration operation includes S101
It needs to obtain the corresponding frequency offset of radio-frequency channel to S103 in order to realize that the current gain to VCO is calibrated, handles
Frequency offset obtains the calibration-gain of the VCO, then configures to calibration-gain, and configuration calibration-gain can be understood as using
Calibration-gain goes to update the current gain of VCO；Specifically, can be realized by two ways to configuration calibration-gain, first
Kind mode is the internal storage unit that the calibration-gain of VCO is written to radio frequency chip, when radio frequency chip work, radio frequency chip
The calibration-gain of VCO is obtained from corresponding internal storage unit；The second way is established different according to different PHY types
PHY type link, radio frequency chip obtained the calibration-gain of VCO by the link of the PHY type, realizes configuration calibration-gain
Purpose.
The method for present embodiments providing a kind of gain of automatic calibration voltage controlled oscillator, by working as to voltage controlled oscillator
Preceding gain is calibrated automatically, improves the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, voltage-controlled vibration
The calibration-gain of device is swung it is also ensured that radio frequency chip has good modulating performance at work.
Disclosure based on the above embodiment optionally judges whether to need to voltage controlled oscillator according to preset condition
Current gain carry out calibration include:
When meeting preset time condition, determination needs to calibrate the current gain of voltage controlled oscillator；Or
When environment temperature is not in preset temperature section or the variable quantity of environment temperature is more than temperature change threshold value, really
Surely it needs to calibrate the current gain of voltage controlled oscillator；Or
When the received data packet of radio frequency chip meets received data packet preset condition, determination is needed to voltage controlled oscillator
Current gain is calibrated.
When judging whether to need to calibrate the current gain of VCO, preset time condition be can be at regular intervals
Current gain is calibrated, the timing that carrying out calibration to current gain at regular intervals may be implemented to modulating performance is supervised
Control, guarantee current gain can be calibrated in time, the present embodiment to the time interval with no restrictions；Because environment temperature is more than to penetrate
When the adaptive temperature or too big variation of ambient temperature of frequency chip, modulating performance can all be affected, therefore work as environment temperature not
In preset temperature section or when the variable quantity of environment temperature is more than temperature change threshold value, school is carried out to the current gain of VCO
Standard can also be improved modulating performance, which determines according to the temperature range that specific radio frequency chip works normally, should
The modulating performance when variable quantity of environment temperature can work according to radio frequency chip at different temperatures determines that the present embodiment is to this
With no restrictions；When the received data packet of radio frequency chip meets received data packet preset condition, the modulating performance of radio frequency chip is
Through not reaching requirement, therefore, it is necessary to the current gains to VCO to calibrate；
The method for present embodiments providing a kind of gain of automatic calibration voltage controlled oscillator, by working as to voltage controlled oscillator
Preceding gain is calibrated automatically, improves the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, voltage-controlled vibration
The calibration-gain of device is swung it is also ensured that radio frequency chip has good modulating performance at work.
Disclosure based on the above embodiment, optionally, received data packet preset condition includes:
The cyclic redundancy check (CRC) mistake of received data packet is more than that the incrementss of CRC error threshold or crc error are more than
Crc error increases threshold value；Or
The size error of received data packet is more than size error more than size error threshold value or the incrementss of size error
Increase threshold value；Or
The synchronization character error of received data packet is more than synchronization character error thresholds or synchronizes the incrementss of character error more than same
It walks character error and increases threshold value.
Bluetooth RF technology needs according to specific format composition data packet to set order or data in different
It is wirelessly transferred between standby.Data packet includes: preamble (Preamble), access address (Access Address), association
Discuss data cell (PDU, Protocol Data Unit) and CRC；Wherein, the cyclic redundancy check (CRC) mistake of received data packet
When being more than crc error increase threshold value more than the incrementss of CRC error threshold or the crc error, the modularity of radio frequency chip
It can may be declined, need to calibrate the current gain of VCO, the CRC error threshold and crc error increase threshold value can be with
Influence according to crc error to the modulating performance of radio frequency chip determines that the present embodiment is without limitation；The PDU includes to receive
The length data of data packet, the size error of received data packet are more than the incrementss of size error threshold value or the size error
When increasing threshold value more than size error, the modulating performance of radio frequency chip may be declined, and need to carry out the current gain of VCO
Calibration, the size error threshold value and size error increase threshold value can be according to the size error of received data packet to radio frequency chip
The influence of modulating performance determines that the present embodiment is without limitation；Preamble includes the synchronization digital data of received data packet, is connect
The synchronization character error for receiving data packet increases more than synchronization character error thresholds or the incrementss of synchronous character error more than synchronous character error
When adding threshold value, the modulating performance of radio frequency chip may be declined, and need to calibrate the current gain of VCO, the synchronization character
Error thresholds and synchronous character error increase threshold value can modularity according to the synchronization character error of received data packet to radio frequency chip
The influence of energy determines that the present embodiment is without limitation.
The method for present embodiments providing a kind of gain of automatic calibration voltage controlled oscillator, by working as to voltage controlled oscillator
Preceding gain is calibrated automatically, improves the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, voltage-controlled vibration
The calibration-gain of device is swung it is also ensured that radio frequency chip has good modulating performance at work.
Disclosure based on the above embodiment optionally handles the frequency offset and obtains the voltage controlled oscillator
Calibration-gain include:
Linear fit is carried out to frequency offset and obtains the calibration-gain of voltage controlled oscillator, which includes voltage-controlled increasing
One or both of benefit and tuning gain.
It is calibrated by linear fit according to current gain of the frequency offset to VCO, can further improve radio frequency
The modulating performance of chip, one or both of voltage controlled gain that can be current to VCO and tuning gain are calibrated, and school is obtained
After voltage controlled gain or tuning gain after standard, current voltage controlled gain or tuning gain are updated；Pass through linear fit root
It calibrates according to the frequency offset voltage controlled gain current to VCO, or VCO is worked as according to frequency offset by linear fit
Preceding tuning gain is calibrated, or by linear fit according to the frequency offset voltage controlled gain current to VCO and tuning
Gain is calibrated together, and the voltage controlled gain or tuning gain after calibration can further improve the modularity of radio frequency chip
Can, it is obviously improved user experience.
Disclosure based on the above embodiment, optionally, obtain the corresponding frequency offset of radio-frequency channel includes: before
Select radio-frequency channel；
The corresponding physical layer PHY type of radio-frequency channel is selected, PHY type includes 1MPHY and 2MPHY, whole radio-frequency channels
Corresponding PHY type is all the same.
It after Bluetooth chip powers on, will initialize, the initialization including radio-frequency configuration parameter, radio frequency chip can be according to
The operating mode of the modulation /demodulation of bluetooth sends signal, after operating mode is arranged, it is also necessary to configure its PLL frequency, the PLL frequency
It is without limitation to be configurable to 4MHz, 8MHz, 16MHz, 64MHz either other frequencies, the present embodiment.It is every in order to improve
The characteristics of needs according to each radio-frequency channel, the current increasing of VCO is calibrated for each radio-frequency channel for the modulating performance of a radio-frequency channel
Benefit, in the present embodiment, radio frequency chip and Bluetooth chip can be different chip, and radio frequency chip and Bluetooth chip are also possible to together
One chip, the present embodiment are without limitation.If desired the current gain of VCO is calibrated, then obtains radio frequency letter first
The corresponding frequency offset in road before obtaining the corresponding frequency offset of radio-frequency channel needs that radio frequency chip is selected to work
Radio-frequency channel, then selects the corresponding physical layer PHY type of the radio-frequency channel, and PHY type includes 1MPHY and 2MPHY, selected
The corresponding PHY type of whole radio-frequency channels is all the same, in general, if the corresponding PHY type of radio-frequency channel is different, radio-frequency channel
Corresponding frequency offset may also be different, and therefore, the gain of the corresponding VCO of radio-frequency channel may also be different.Assuming that configuration is penetrated
Frequency chip operation does not limit the sum of the radio-frequency channel used in radio-frequency channel 0, the present embodiment, when 40 radio-frequency channels of use
When, the working frequency of radio-frequency channel 0 is 2.402GHz, and the working frequency calculation formula of k-th of radio-frequency channel is f=2402+k*
2MHz (k=0 ..., 39), can choose the corresponding PHY type of all radio-frequency channels is 1MPHY, then can be believed radio frequency
The current gain of the corresponding VCO in road is calibrated；Radio frequency chip works after preset time period, can be obtained by reading register
The corresponding frequency offset of radio-frequency channel 0 is taken, the present embodiment with no restrictions, can also directly be tested to obtain to the preset time period
The corresponding frequency offset of radio-frequency channel 0, in this manner it is achieved that just being obtained after successively having traversed remaining all radio-frequency channels
The corresponding frequency offset of whole radio-frequency channels has been taken, finally the frequency offset of whole radio-frequency channels is handled, is obtained
The calibration-gain of the corresponding VCO of whole radio-frequency channels.Present embodiments provide a kind of gain of automatic calibration voltage controlled oscillator
Method is calibrated automatically by the current gain to voltage controlled oscillator, improves the modulating performance of radio frequency chip, even if radio frequency
Environmental change locating for chip, the calibration-gain of voltage controlled oscillator is it is also ensured that radio frequency chip has good tune at work
Performance processed.Disclosure based on the above embodiment optionally carries out linear fit to frequency offset and obtains voltage controlled oscillator
Calibration-gain include:
In above-mentioned formula,By XnIt is calculated, XnFor the corresponding frequency offset of radio-frequency channel n, radio-frequency channel n
For n-th of radio-frequency channel, n is integer, fPLLFor phase-lock loop PLL frequency, GainnFor the corresponding voltage-controlled vibration of radio-frequency channel n
The calibration-gain of device is swung, Gcorr is the first fitting parameter, and Gcorr is positive number, and Factor is exponential fitting parameter, and Factor is
Nonnegative integer.
ForIt is by XnIt is calculated, specifically, in the present embodiment,Only with XnIt is related, Gcorr and Factor
It is all fitting parameter, GainnWithInversely proportional relationship.When PLL frequency is 4MHz, when the corresponding PHY type of channel is
1MPHY, Gcorr can be 1.2,1.21,1.35,1.4 perhaps any other positive number Gcorr be that decimal or integer are ok,
The present embodiment is without limitation, and Factor can be any nonnegative integer, such as 0,1,2,3,4,5,6,7 ..., this implementation
Example is without limitation；When the corresponding PHY type of channel be 2MPHY, Gcorr can be 1.2,1.21,1.35,1.4 or its
His any positive number, the present embodiment is without limitation, and Factor may be any nonnegative integer, for example, 0,1,2,3,4,5,6,
7 ..., the present embodiment is without limitation；The first fitting parameter Gcorr is according to the first fitting parameter Gcorr to radio frequency chip
Actual modulated performance influence determine, the exponential fitting parameter Factor is according to exponential fitting parameter Factor to radio frequency chip
The influence of actual modulated performance determine that the specific data enumerated in the present embodiment are only exemplary illustration, actually using
In, without creative efforts, the scheme that those skilled in the art is referred to the embodiment of the present application uses
Other data obtain the calibration-gain of VCO.
The method for present embodiments providing a kind of gain of automatic calibration voltage controlled oscillator, by working as to voltage controlled oscillator
Preceding gain is calibrated automatically, improves the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, voltage-controlled vibration
The calibration-gain of device is swung it is also ensured that radio frequency chip has good modulating performance at work.
Disclosure based on the above embodiment, optionally,By XnIt is calculated and includes:
In the present embodiment, the corresponding frequency offset X of radio-frequency channel n can be directly usednIt is obtained to carry out linear fit
The calibration-gain of voltage controlled oscillator, specifically, when PLL frequency is 4MHz, it is assumed that the first fitting parameter Gcorr after being fitted
It is 1.35, exponential fitting parameter Factor is 0, then the calibration-gain of voltage controlled oscillator can be calculated with following formula:
It should be noted that the specific data and above-mentioned formula enumerated in the present embodiment are only exemplary illustration,
In actual use, without creative efforts, those skilled in the art is referred to the embodiment of the present application
The calibration-gain of VCO is calculated using the deformation of other data or the formula for scheme.
The method for present embodiments providing a kind of gain of automatic calibration voltage controlled oscillator, by working as to voltage controlled oscillator
Preceding gain is calibrated automatically, improves the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, voltage-controlled vibration
The calibration-gain of device is swung it is also ensured that radio frequency chip has good modulating performance at work.It discloses based on the above embodiment
Content, optionally,By XnIt is calculated and includes:
In above-mentioned formula, m is integer, and m is the sum of radio-frequency channel.It is unlike the embodiments above, the present embodiment
In, it is only necessary to obtain two frequency offset Xm-1And X0The calibration-gain of voltage controlled oscillator can be obtained by linear fit,
The frequency offset of other radio-frequency channels is not needed to obtain.It specifically, is 4MHz when the total m of radio-frequency channel is 40, PLL frequency
When, it is assumed that the first fitting parameter Gcorr after being fitted is 1.4, exponential fitting parameter Factor is 7, then voltage controlled oscillator
Calibration-gain can be calculated with following formula:
It should be noted that the specific data and above-mentioned formula enumerated in the present embodiment are only exemplary illustration,
In actual use, without creative efforts, those skilled in the art is referred to the embodiment of the present application
The calibration-gain of VCO is calculated using the deformation of other data or the formula for scheme.
The method for present embodiments providing a kind of gain of automatic calibration voltage controlled oscillator, by working as to voltage controlled oscillator
Preceding gain is calibrated automatically, improves the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, voltage-controlled vibration
The calibration-gain of device is swung it is also ensured that radio frequency chip has good modulating performance at work.
Disclosure based on the above embodiment, optionally,By XnIt is calculated and includes:
In above-mentioned formula, 0≤n≤(m-1), m are integer, and m is the sum of radio-frequency channel,(0≤j≤(m-1-a-
B) a maximum frequency offsets and b the smallest frequency offsets) are cast out by the corresponding frequency offset of whole radio-frequency channels
It obtains, 0≤a≤(m-1), 0≤b≤(m-1), and (a+b) < m, a and b are integer.It is unlike the embodiments above,
In the present embodiment, it is also necessary to which the size of the corresponding frequency offset of whole radio-frequency channels casts out a maximum frequency shift (FS)s
Amount and b the smallest frequency offsets, then average to remaining frequency offset, in the present embodiment, ownHomogeneously
Together.The method for present embodiments providing a kind of gain of automatic calibration voltage controlled oscillator, passes through the current increasing to voltage controlled oscillator
Benefit is calibrated automatically, the modulating performance of radio frequency chip is improved, even if environmental change locating for radio frequency chip, voltage controlled oscillator
Calibration-gain it is also ensured that radio frequency chip has good modulating performance at work.
A kind of device of the gain of automatic calibration voltage controlled oscillator can also be provided in the embodiment of the present application, for executing aforementioned reality
The method for applying the gain of the automatic calibration voltage controlled oscillator proposed in example, Fig. 2 calibrate voltage-controlled vibration to be provided in this embodiment automatically
The structural schematic diagram of the device of the gain of device is swung, which can execute above-mentioned method shown in FIG. 1, as shown in Fig. 2, this is automatic
The device 20 of gain for calibrating voltage controlled oscillator includes:
Judgment module 21, for judging whether to need to carry out school to the current gain of voltage controlled oscillator according to preset condition
It is quasi-；
And calibration module 22, if desired the current gain of the voltage controlled oscillator is calibrated, for institute
The current gain for stating voltage controlled oscillator is calibrated；
The calibration module 22 includes that offset obtains module 221, offset processing module 222 and gain configuration module
223；
The offset obtains module 221 for obtaining the corresponding frequency offset of radio-frequency channel；
The offset processing module 222 is used to handle the frequency offset and obtains the calibration increasing of the voltage controlled oscillator
Benefit；
The gain configuration module 223 is for configuring the calibration-gain.
Optionally, judgment module includes:
Time judgment module, when for meeting preset time condition, determine need to the current gain of voltage controlled oscillator into
Row calibration；Or
Temperature judgment module, for when environment temperature is not in preset temperature section or the variable quantity of environment temperature is more than
When temperature change threshold value, determination needs to calibrate the current gain of voltage controlled oscillator；Or
Data packet judgment module, when meeting received data packet preset condition for the received data packet when radio frequency chip, really
Surely it needs to calibrate the current gain of voltage controlled oscillator.
Optionally, received data packet preset condition includes:
The cyclic redundancy check (CRC) mistake of received data packet is more than that the incrementss of CRC error threshold or crc error are more than
Crc error increases threshold value；Or
The size error of received data packet is more than size error more than size error threshold value or the incrementss of size error
Increase threshold value；Or
The synchronization character error of received data packet is more than synchronization character error thresholds or synchronizes the incrementss of character error more than same
It walks character error and increases threshold value.
Optionally, offset processing module includes:
Fitting module obtains the calibration-gain of voltage controlled oscillator for carrying out linear fit to frequency offset, and calibration increases
Benefit includes one or both of voltage controlled gain and tuning gain.
Optionally, the device further include:
Channel selection block, for selecting radio-frequency channel；
PHY type selection module, for selecting the corresponding physical layer PHY type of radio-frequency channel, PHY type includes 1MPHY
And the corresponding PHY type of whole radio-frequency channels of 2MPHY, PHY type selection module selection is all the same.
Optionally, fitting module obtains the formula of the calibration-gain of voltage controlled oscillator are as follows:
Fitting module further includesComputing module,Computing module is used for by XnIt is calculatedIn above-mentioned formula
In, XnFor the corresponding frequency offset of radio-frequency channel n, radio-frequency channel n is n-th of radio-frequency channel, and n is integer, fPLLFor phase lock
Determine circuit PLL frequency, GainnFor the gain of the corresponding voltage controlled oscillator of radio-frequency channel n, Gcorr is the first fitting parameter,
Gcorr is positive number, and Factor is exponential fitting parameter, and Factor is nonnegative integer.
Optionally,Computing module is calculatedFormula are as follows:
Optionally,Computing module is calculatedFormula are as follows:
In above-mentioned formula, m is integer, and m is the sum of radio-frequency channel.
Optionally,Computing module is calculatedFormula are as follows:
In above-mentioned formula, 0≤n≤(m-1), m are integer, and m is the sum of radio-frequency channel,(0≤j≤(m-1-a-
B) a frequency offset) is cast out by the corresponding frequency offset of whole radio-frequency channels and b minimum frequency offset measures, 0≤
A≤(m-1), 0≤b≤(m-1), and (a+b) < m, a and b are integer.
The device for present embodiments providing a kind of gain of automatic calibration voltage controlled oscillator, by working as to voltage controlled oscillator
Preceding gain is calibrated automatically, improves the modulating performance of radio frequency chip, even if environmental change locating for radio frequency chip, voltage-controlled vibration
The calibration-gain of device is swung it is also ensured that radio frequency chip has good modulating performance at work.
A kind of equipment can also be provided in the embodiment of the present application, and one kind for executing above-described embodiment proposition is calibrated voltage-controlled automatically
The method of the gain of oscillator, as shown in figure 3, the equipment 30 includes: memory 31 and processor 32；
Memory 31 is coupled with processor 32；
Memory 31, for storing program instruction；
Processor 32, for call memory store program instruction so that equipment execute any one of calibrate automatically it is voltage-controlled
The method of the gain of oscillator.
It is voltage-controlled that the calibration automatically that any of the above-described embodiment provides can be performed in a kind of equipment provided by the embodiments of the present application
The method of the gain of oscillator, concrete implementation process and beneficial effect are referring to above-mentioned, and details are not described herein.
A kind of computer readable storage medium can also be provided in the embodiment of the present application, is stored thereon with computer program, the meter
The side for executing the gain for any automatic calibration voltage controlled oscillator that the equipment executes is realized when calculation machine program is executed by processor 32
Method.
Any of the above-described embodiment offer oneself can be performed in computer readable storage medium provided by the embodiments of the present application
The method of the gain of dynamic calibration voltage controlled oscillator, concrete implementation process and beneficial effect are referring to above-mentioned, and details are not described herein.
Although this patent document includes many details, these are not necessarily to be construed as to any invention or claimed
The limitation of range, but be interpreted to can be the description of feature specific to the specific embodiment to specific invention.This patent
Certain features described in file can also combine realization in a single embodiment in the context of separate embodiments.On the contrary,
The various features described in the context of single embodiment can also be implemented separately in various embodiments or with any suitable
Sub-portfolio form realize.Although working in certain combinations moreover, feature can be described above as, and even initially
It is so claimed, but can be deleted from combination in some cases from claimed combined one or more features
It removes, and claimed combination can be related to the deformation of sub-portfolio or sub-portfolio.
Similarly, although describing operation in the accompanying drawings with particular order, this should not be construed as requiring these operations
The particular order shown in successively executes in sequence, or require execute it is all shown in operate, to realize desired knot
Fruit.Moreover, the various individual system units in the embodiment described in this patent document should not be construed as in all implementations
This separation is needed in example.
This patent document only describes several realizations and example, and can be based on described and illustrated in this patent document
Content is realized, enhances and is changed to make other.
It should be noted that the application above method embodiment can be applied in processor, or realized by processor.Processor
It may be a kind of IC chip, the processing capacity with signal.During realization, each step of above method embodiment
It can be completed by the integrated logic circuit of the hardware in processor or the instruction of software form.Above-mentioned processor can be
General processor, digital signal processor (digital signal processor, DSP), specific integrated circuit
(application specific integrated circuit, ASIC), ready-made programmable gate array (field
Programmable gate array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present application.It is general
Processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with the embodiment of the present application institute
The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor
And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only
In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at
The step of memory, processor reads the information in memory, completes the above method in conjunction with its hardware.
It is appreciated that the memory in the embodiment of the present application can be volatile memory or nonvolatile memory, or
It may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (read-
Only memory, ROM), programmable read only memory (programmable rom, PROM), the read-only storage of erasable programmable
Device (erasable PROM, EPROM), electrically erasable programmable read-only memory (electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (random access memory, RAM), be used as external high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory
(static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (double data rate
SDRAM, DDR SDRAM), enhanced Synchronous Dynamic Random Access Memory (enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (synchlink DRAM, SLDRAM) and direct rambus random access memory (direct
Rambus RAM, DR RAM).It should be noted that the memory of system and method described herein be intended to include but be not limited to these and
The memory of any other suitable type.
It should be understood that in the embodiment of the present application, " B corresponding with A " indicates that B is associated with A, B can be determined according to A.But
It should also be understood that determining that B is not meant to determine B only according to A according to A, B can also be determined according to A and/or other information.
In addition, the terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates may exist
Three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Separately
Outside, character "/" herein typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (read-only memory, ROM), arbitrary access are deposited
The various media that can store program code such as reservoir (random access memory, RAM), magnetic or disk.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is 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 based on the protection scope of the described claims.
Claims (20)
1. a kind of method of the gain of automatic calibration voltage controlled oscillator characterized by comprising
Judge whether to need to calibrate the current gain of voltage controlled oscillator according to preset condition；
If desired the current gain of the voltage controlled oscillator is calibrated, then obtains the corresponding frequency shift (FS) of radio-frequency channel
Amount, handles the frequency offset and obtains the calibration-gain of the voltage controlled oscillator, configure the calibration-gain.
2. the method for the gain of automatic calibration voltage controlled oscillator according to claim 1, which is characterized in that the basis is pre-
If condition judges whether that needing to carry out the current gain of voltage controlled oscillator calibration includes:
When meeting preset time condition, determines and need to calibrate the current gain of the voltage controlled oscillator；Or
When environment temperature is not in preset temperature section or the variable quantity of the environment temperature is more than temperature change threshold value, really
It is fixed to need to calibrate the current gain of the voltage controlled oscillator；Or
When the received data packet of radio frequency chip meets received data packet preset condition, determines and need to the voltage controlled oscillator
The current gain is calibrated.
3. the method for the gain of automatic calibration voltage controlled oscillator according to claim 2, which is characterized in that the reception number
Include: according to packet preset condition
The cyclic redundancy check (CRC) mistake of the received data packet is more than the incrementss of CRC error threshold or the crc error
Increase threshold value more than crc error；Or
The size error of the received data packet is more than length more than size error threshold value or the incrementss of the size error
Mistake increases threshold value；Or
The synchronization character error of the received data packet is super more than synchronization character error thresholds or the incrementss of the synchronous character error
It crosses synchronous character error and increases threshold value.
4. the method for the gain of automatic calibration voltage controlled oscillator according to any one of claim 1 to 3, feature exist
In the calibration-gain that the processing frequency offset obtains the voltage controlled oscillator includes:
Linear fit is carried out to the frequency offset and obtains the calibration-gain of the voltage controlled oscillator, the calibration-gain
Including one or both of voltage controlled gain and tuning gain.
5. the method for the gain of automatic calibration voltage controlled oscillator according to claim 4, which is characterized in that the acquisition
Include: before the corresponding frequency offset of radio-frequency channel
Select the radio-frequency channel；
Select the corresponding physical layer PHY type of the radio-frequency channel, the PHY type includes 1MPHY and 2MPHY, described in whole
The corresponding PHY type of radio-frequency channel is all the same.
6. the method for the gain of automatic calibration voltage controlled oscillator according to claim 4 or 5, which is characterized in that described right
The frequency offset carries out linear fit and obtains the calibration-gain of the voltage controlled oscillator
It is described in above-mentioned formulaBy XnIt is calculated, the XnFor the corresponding frequency offset of radio-frequency channel n, institute
Stating radio-frequency channel n is n-th of radio-frequency channel, and the n is integer, the fPLLIt is described for phase-lock loop PLL frequency
GainnFor the calibration-gain of the corresponding voltage controlled oscillator of the radio-frequency channel n, the Gcorr is the first fitting ginseng
Number, the Gcorr are positive number, and the Factor is exponential fitting parameter, and the Factor is nonnegative integer.
7. the method for the gain of automatic calibration voltage controlled oscillator according to claim 6, which is characterized in that describedBy Xn
It is calculated and includes:
8. the method for the gain of automatic calibration voltage controlled oscillator according to claim 6, which is characterized in that describedBy Xn
It is calculated and includes:
In above-mentioned formula, the m is integer, and the m is the sum of the radio-frequency channel.
9. the method for the gain of automatic calibration voltage controlled oscillator according to claim 6, which is characterized in that describedBy Xn
It is calculated and includes:
In above-mentioned formula, 0≤n≤(m-1), the m are integer, and the m is the sum of the radio-frequency channel, describedCast out a by all corresponding frequency offsets of the radio-frequency channel
The maximum frequency offset and the b minimum frequency offset obtain, 0≤a≤(m-1), 0≤b≤(m-1, and (a+
B) < m, a and the b are integer.
10. a kind of device of the gain of automatic calibration voltage controlled oscillator, comprising:
Judgment module, for judging whether to need to calibrate the current gain of voltage controlled oscillator according to preset condition；
And calibration module, if desired the current gain of the voltage controlled oscillator is calibrated, for described voltage-controlled
The current gain of oscillator is calibrated；
The calibration module includes that offset obtains module, offset processing module and gain configuration module；
The offset obtains module for obtaining the corresponding frequency offset of radio-frequency channel；
The offset processing module obtains the calibration-gain of the voltage controlled oscillator for handling the frequency offset；
The gain configuration module is for configuring the calibration-gain.
11. the device of the gain of automatic calibration voltage controlled oscillator according to claim 10, which is characterized in that the judgement
Module includes:
Time judgment module when for meeting preset time condition, determines the current increasing needed to the voltage controlled oscillator
Benefit is calibrated；Or
Temperature judgment module, for when environment temperature is not in preset temperature section or the variable quantity of the environment temperature is more than
When temperature change threshold value, determines and need to calibrate the current gain of the voltage controlled oscillator；Or
Data packet judgment module, when meeting received data packet preset condition for the received data packet when radio frequency chip, determining is needed
The current gain of the voltage controlled oscillator is calibrated.
12. the device of the gain of automatic calibration voltage controlled oscillator according to claim 11, which is characterized in that the reception
Data packet preset condition includes:
The cyclic redundancy check (CRC) mistake of the received data packet is more than the incrementss of CRC error threshold or the crc error
Increase threshold value more than crc error；Or
The size error of the received data packet is more than length more than size error threshold value or the incrementss of the size error
Mistake increases threshold value；Or
The synchronization character error of the received data packet is super more than synchronization character error thresholds or the incrementss of the synchronous character error
It crosses synchronous character error and increases threshold value.
13. the device of the gain of automatic calibration voltage controlled oscillator according to any one of claims 10 to 12, feature
It is, the offset processing module includes:
Fitting module obtains the calibration increasing of the voltage controlled oscillator for carrying out linear fit to the frequency offset
Benefit, the calibration-gain include one or both of voltage controlled gain and tuning gain.
14. the device of the gain of automatic calibration voltage controlled oscillator according to claim 13, which is characterized in that the dress
It sets further include:
Channel selection block, for selecting the radio-frequency channel；
PHY type selection module, for selecting the corresponding physical layer PHY type of the radio-frequency channel, the PHY type includes
The corresponding PHY type of the whole radio-frequency channel of 1MPHY and 2MPHY, the PHY type selection module selection are homogeneous
Together.
15. the device of the gain of automatic calibration voltage controlled oscillator described in 3 or 14 according to claim 1, which is characterized in that described
Fitting module obtains the formula of the calibration-gain of the voltage controlled oscillator are as follows:
The fitting module further includesComputing module, it is describedComputing module is used for by XnIt is calculatedIn above-mentioned formula
In, the XnFor the corresponding frequency offset of radio-frequency channel n, the radio-frequency channel n is n-th of radio-frequency channel, institute
Stating n is integer, the fPLLFor phase-lock loop PLL frequency, the GainnIt is corresponding described voltage-controlled for the radio-frequency channel n
The gain of oscillator, the Gcorr are the first fitting parameter, and the Gcorr is positive number, and the Factor is exponential fitting
Parameter, the Factor are nonnegative integer.
16. the device of the gain of automatic calibration voltage controlled oscillator according to claim 15, which is characterized in that describedMeter
Module is calculated to be calculatedFormula are as follows:
17. the device of the gain of automatic calibration voltage controlled oscillator according to claim 15, which is characterized in that describedMeter
Module is calculated to be calculatedFormula are as follows:
In above-mentioned formula, the m is integer, and the m is the sum of the radio-frequency channel.
18. the device of the gain of automatic calibration voltage controlled oscillator according to claim 15, which is characterized in that describedMeter
Module is calculated to be calculatedFormula are as follows:
In above-mentioned formula, 0≤n≤(m-1), the m are integer, and the m is the sum of the radio-frequency channel, describedCast out a by all corresponding frequency offsets of the radio-frequency channel
The maximum frequency offset and the b minimum frequency offset obtain, 0≤a≤(m-1), 0≤b≤(m-1, and (section
B) < m, a and the b are integer.
19. a kind of equipment, for calibrating the gain of voltage controlled oscillator automatically characterized by comprising memory and processor；
The memory is coupled with the processor；
The memory, for storing program instruction；
The processor, for calling the program instruction of the memory storage, so that the equipment executes the claims 1
To the method for the gain of automatic calibration voltage controlled oscillator described in any one of 9.
20. a kind of computer readable storage medium characterized by comprising be stored thereon with computer program, feature exists
In, the computer program realized when being executed by processor it is according to any one of claims 1 to 9 calibrate automatically it is voltage-controlled
The method of the gain of oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071834.4A CN109818636B (en) | 2019-01-25 | 2019-01-25 | Method, device and equipment for automatically calibrating gain of voltage-controlled oscillator and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071834.4A CN109818636B (en) | 2019-01-25 | 2019-01-25 | Method, device and equipment for automatically calibrating gain of voltage-controlled oscillator and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109818636A true CN109818636A (en) | 2019-05-28 |
| CN109818636B CN109818636B (en) | 2021-02-12 |
Family
ID=66605037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910071834.4A Active CN109818636B (en) | 2019-01-25 | 2019-01-25 | Method, device and equipment for automatically calibrating gain of voltage-controlled oscillator and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109818636B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917422A (en) * | 2020-08-14 | 2020-11-10 | 浙江三维通信科技有限公司 | Control method and circuit of radio frequency voltage controlled oscillator |
| CN113067590A (en) * | 2019-12-30 | 2021-07-02 | 华为技术有限公司 | Wireless device, method and related equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106556A (en) * | 2006-07-12 | 2008-01-16 | 联发科技股份有限公司 | FM decoding chip, stereo decoding system and method |
| CN102325110A (en) * | 2011-09-20 | 2012-01-18 | 中国空间技术研究院 | Large-modulation index satellite-borne digital frequency modulating receiver |
| CN102332912A (en) * | 2011-09-30 | 2012-01-25 | 中国科学技术大学 | Voltage controlled oscillator (VCO) capable of adjusting linearity of gain and two-point modulator based on VCO |
| CN103227707A (en) * | 2012-01-30 | 2013-07-31 | 索尼公司 | Synchronization processing apparatus, synchronization processing method and program |
-
2019
- 2019-01-25 CN CN201910071834.4A patent/CN109818636B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106556A (en) * | 2006-07-12 | 2008-01-16 | 联发科技股份有限公司 | FM decoding chip, stereo decoding system and method |
| CN102325110A (en) * | 2011-09-20 | 2012-01-18 | 中国空间技术研究院 | Large-modulation index satellite-borne digital frequency modulating receiver |
| CN102332912A (en) * | 2011-09-30 | 2012-01-25 | 中国科学技术大学 | Voltage controlled oscillator (VCO) capable of adjusting linearity of gain and two-point modulator based on VCO |
| CN103227707A (en) * | 2012-01-30 | 2013-07-31 | 索尼公司 | Synchronization processing apparatus, synchronization processing method and program |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067590A (en) * | 2019-12-30 | 2021-07-02 | 华为技术有限公司 | Wireless device, method and related equipment |
| CN113067590B (en) * | 2019-12-30 | 2022-09-23 | 华为技术有限公司 | Wireless device, method and related equipment |
| CN111917422A (en) * | 2020-08-14 | 2020-11-10 | 浙江三维通信科技有限公司 | Control method and circuit of radio frequency voltage controlled oscillator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109818636B (en) | 2021-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20120190311A1 (en) | Frequency generator and gain calibration technique for two-point modulation in a phase-locked loop | |
| US9497715B2 (en) | Method and apparatus for addressing in a resource-constrained network | |
| US9461673B2 (en) | Computing device with configurable antenna | |
| EP1164742A2 (en) | Wireless data communications using fifo for synchronization | |
| US7800452B2 (en) | Phase locked loop circuit | |
| US8378724B2 (en) | Controlling a frequency locked loop | |
| US7760844B2 (en) | Multi-modulus divider with extended and continuous division range | |
| US8341451B2 (en) | Clock configuration | |
| CN109818636A (en) | A kind of method, apparatus, equipment and the storage medium of the gain of automatic calibration voltage controlled oscillator | |
| CN109413671A (en) | A kind of measuring configuration method, base station and terminal | |
| US10193686B2 (en) | Trim for dual-port frequency modulation | |
| CN107565960B (en) | Performance index of phase locked loop | |
| US10056989B2 (en) | Single RF oscillator technique for built-in tune, test, and calibration of a transceiver | |
| TW201547182A (en) | System and method for calibrating capacitor-based oscillators in crystal-less devices | |
| CN101965749A (en) | Radio frequency apparatus | |
| Becker et al. | Parametric design for reconfigurable software-defined radio | |
| CN109067475B (en) | Frequency offset calibration method and system of radio frequency module | |
| US7613224B2 (en) | Qualification and selection of the frequency channels for an adaptive frequency hopping method by means of field strength measurement | |
| EP3422579A1 (en) | Phase synchronization between two phase locked loops | |
| US20220077864A1 (en) | Phase locked loop and electronic device including the same | |
| CN107565958A (en) | To the gain calibration of digital controlled oscillator in fast lock phase-locked loop | |
| CN116893784A (en) | Table storage method and device, storage medium and electronic device | |
| CN113748632B (en) | Configuration method and device of channel state information reference signals | |
| WO2021159517A1 (en) | Transmission parameter determination method, terminal device, and network device | |
| US20130016713A1 (en) | Precise interval timer for software defined radio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |