CN116137552A - Antenna calibration method and device, storage medium and electronic equipment - Google Patents
Antenna calibration method and device, storage medium and electronic equipment Download PDFInfo
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- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
- H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
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Abstract
The application provides an antenna calibration method, an antenna calibration device, a storage medium and electronic equipment, wherein the antenna calibration method comprises the following steps: determining a target calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel, wherein the target calibration frequency band is intersected with the frequency bands of other calibration signals; when the current calibration signal is transmitted by the radio frequency channel, acquiring a current frequency band of the current calibration signal; when the current frequency band is a target calibration frequency band, executing a calibration operation on the current calibration signal and outputting a first calibration result; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting a first calibration result. Therefore, the antenna calibration method can ensure the accuracy of calibration and improve the calibration efficiency.
Description
Technical Field
The present invention relates to the field of antenna communications, and in particular, to an antenna calibration method, an apparatus, a storage medium, and an electronic device.
Background
With the development of communication technology, electronic devices such as smart phones are capable of achieving more and more functions, and frequency bands of wireless signals supported by antenna modules of the electronic devices are also more and more. Due to errors in the production process, the antenna module needs to be radio frequency calibrated before shipment.
In the related art, the radio frequency calibration scheme of the antenna module often takes a long time, so that the efficiency of antenna calibration is low.
Disclosure of Invention
The application provides an antenna calibration method, an antenna calibration device, a storage medium and electronic equipment, wherein a plurality of wireless signals can share a set of calibration results, so that the antenna calibration efficiency can be improved.
In a first aspect, the present application provides an antenna calibration method, including:
determining a target calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel, wherein the target calibration frequency band is intersected with the frequency bands of other calibration signals;
acquiring a current frequency band of a current calibration signal when the current calibration signal is transmitted by the radio frequency channel;
when the current frequency band is the target calibration frequency band, executing calibration operation on the current calibration signal and outputting a first calibration result;
and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting the first calibration result.
In a second aspect, the present application provides an antenna calibration device, comprising:
the determining module is used for determining a target calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel, wherein the target calibration frequency band is intersected with the frequency bands of other calibration signals;
The acquisition module is used for acquiring the current frequency band of the current calibration signal when the current calibration signal is transmitted by the radio frequency channel; and
The calibration module is used for executing calibration operation on the current calibration signal and outputting a first calibration result when the current frequency band is the target calibration frequency band; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting the first calibration result.
In a third aspect, the present application also provides a storage medium having stored thereon a computer program which, when run on a processor, causes the processor to perform an antenna calibration method as described above.
In a fourth aspect, the present application also provides an electronic device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, which when executed by the processor implements an antenna calibration method as described above.
The antenna calibration method, the device, the storage medium and the electronic equipment comprise the following steps: determining a target calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel, wherein the target calibration frequency band is intersected with the frequency bands of other calibration signals; when the current calibration signal is transmitted by the radio frequency channel, acquiring a current frequency band of the current calibration signal; when the current frequency band is a target calibration frequency band, executing a calibration operation on the current calibration signal and outputting a first calibration result; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting a first calibration result. Based on the above, in the plurality of calibration signals transmitted by the radio frequency channel, the antenna calibration method can perform calibration operation on the calibration signals with the frequency band range as the target calibration frequency band and obtain a calibration result, and can directly multiplex the calibration result without performing the calibration operation on other calibration signals, so that on one hand, the calibration operation is not required to be performed on other calibration signals, and the calibration efficiency can be improved; on the other hand, as the plurality of calibration signals are transmitted by the same radio frequency channel and the range of the target calibration frequency band is larger, other calibration signals multiplex the calibration result of the target calibration frequency band, and the accuracy of calibration can be ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a first method for calibrating an antenna according to an embodiment of the present application.
Fig. 2 is a view of an application scenario of the antenna calibration method shown in fig. 1.
FIG. 3 is a first diagram of a target calibration band and other calibration signal bands.
FIG. 4 is a second diagram of the target calibration band and other calibration signal bands.
Fig. 5 is a second flowchart of an antenna calibration method according to an embodiment of the present application.
Fig. 6 is a schematic diagram illustrating execution control of the antenna calibration method shown in fig. 5.
Fig. 7 is a schematic structural diagram of an antenna calibration device according to an embodiment of the present application.
Fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 8 in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The embodiment of the application provides an antenna calibration method which can be applied to electronic equipment integrating one or more radio frequency channels. The electronic device may be a smart phone, a tablet computer, a palm computer, a notebook computer, or a desktop computer.
Referring to fig. 1 and fig. 2, fig. 1 is a first flowchart of an antenna calibration method provided in an embodiment of the present application, and fig. 2 is an application scenario diagram of the antenna calibration method shown in fig. 1, where the antenna calibration method in the embodiment of the present application includes:
in 101, determining a target calibration frequency band according to frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel 11, wherein the target calibration frequency band is intersected with frequency bands of other calibration signals;
As shown in fig. 2, the electronic device 100 often includes one or more rf channels 11, such as rf channel 11a, rf channel 11b, rf channel 11c … …, inside. Each rf path 11 has a fixed communication protocol and transmits wireless signals in a fixed system and a fixed frequency band. For example, the radio frequency path 11a of the electronic device 100 may transmit cellular signals, the radio frequency path 11b may transmit 2.4G wireless fidelity (Wireless Fidelity, wi-Fi) signals and Global Positioning System (GPS) signals, and the radio frequency path 11c may transmit 5.0G Wi-Fi signal bands. Because the electronic device 100 is limited by the production process in the production process, the difference exists between the actual radio frequency performance of the radio frequency channel 11 in the electronic device 100 for the radio signal transmitted by the electronic device and the preset radio frequency performance, if the antenna calibration is not performed, the electronic device 100 may have error knowledge on the actual radio frequency performance of the radio frequency channel 11 and affect the control of the electronic device 100, so that the electronic device 100 needs to perform the antenna calibration before leaving the factory.
When the electronic device 100 performs an antenna calibration operation, the integrated measurement device 200 may transmit a corresponding calibration signal to each radio frequency path 11 of the electronic device 100 to match a wireless signal transmitted by each radio frequency path 11. For example, the integrated device 200 may transmit a calibration signal of the cellular signal band to the radio frequency path 11a to test the performance of the radio frequency path 11a on the wireless signal of the cellular signal band and obtain the calibration parameters of the radio frequency path 11a on the cellular signal. The electronic device 100 may store the calibration parameters and use the calibration parameters in a subsequent process to adjust the control of the radio frequency path 11a by the electronic device 100.
It can be understood that, due to the limitation of the volume of the electronic device 100, the same Radio frequency channel 11 may transmit multiple wireless signals, for example, the Radio frequency channel 11a may transmit a B5 band signal, a B18 band signal, a B19 band signal, and a B26 band signal in a long term evolution (Long Term Evolution, abbreviated as LTE) system, may transmit a B5 band signal, a B6 band signal, and a B19 band signal in a wideband code division multiple access (Wideband Code Division Multiple Access, abbreviated as W-CDMA) system, may transmit a BC0 band signal in a code division multiple access (Code Division Multiple Access, abbreviated as CDMA) system, and may transmit an N5 band signal, an N18 band signal, an N19 band signal, and an N26 band signal in a New Radio (New, abbreviated as NR) system.
When the electronic device 100 performs the antenna calibration test, the antenna calibration method may determine the calibration signal corresponding to the frequency band according to the plurality of wireless signals transmitted by a certain radio frequency channel 11, for example, the radio frequency channel 11a, in the electronic device 100, and may determine the target calibration frequency band according to the frequency band of the plurality of calibration signals transmitted by the radio frequency channel 11, for example, the radio frequency channel 11 a. For example, the electronic device may determine a target calibration signal according to the plurality of calibration signals transmitted by the radio frequency path 11, where the frequency band of the target calibration signal intersects the frequency bands of the other calibration signals; and then determining the frequency band corresponding to the target calibration signal as a target calibration frequency band, wherein the target calibration frequency band can be intersected with the frequency bands of other calibration signals.
The intersection of the target calibration frequency band and the frequency bands of other calibration signals may mean: the target calibration frequency band is overlapped with the frequency band of each other calibration signal by at least partial frequency band area, and the target calibration frequency band is intersected with the frequency band of each other calibration signal in the overlapped frequency band area.
For example, referring to fig. 3, fig. 3 is a first schematic diagram of a target calibration band and other calibration signal bands. In the plurality of calibration signals 1 to 4, a frequency band region in which the frequency bands of the calibration signals 1 and 4 partially coincide with the target calibration frequency band exists, and the frequency bands of the calibration signals 1 and 4 intersect with the target calibration frequency band in the coincident frequency band region; the frequency band of the calibration signals 2 and 3 has a frequency band region which is completely overlapped with the target calibration frequency band, the target calibration frequency band can completely cover the frequency band range of the calibration signals 2 and 3, and the frequency bands of the target calibration frequency band and the calibration signals 2 and 3 intersect in the frequency band region of the calibration signals 2 and 3. It is understood that the overlapping range of the target calibration frequency band and the frequency bands of the other calibration signals may be one of the plurality of calibration signals with the largest overlapping range of the frequency bands, so that the target calibration frequency band is a wide frequency band.
For another example, referring to fig. 4, fig. 4 is a second schematic diagram of the target calibration band and the other calibration signal bands. In the plurality of calibration signals 1 to 4, the target calibration frequency band of the target calibration signal may include a frequency band range of each calibration signal, the target calibration frequency band of the target calibration signal intersects with each calibration signal within the frequency band range of the calibration signal, and the frequency band range of the target calibration signal may completely cover the frequency band ranges of other calibration signals, so that the target calibration signal may be a calibration signal with the widest frequency band range of the plurality of calibration signals, the frequency band width and the supported bandwidth of the target calibration signal are the largest, and may cover other similar or similar frequency bands on hardware.
For example, in the radio frequency path 11a, the comprehensive tester may transmit calibration signals of the frequency bands B5, B6, B18, B19, and B26 in the LTE system to the electronic device 100. Among the calibration signals, the overlapping frequency range of the B26 signal in the LTE system and the frequency range of the other calibration signals is the largest, and the frequency range of the B26 signal in the LTE system includes the frequency ranges of the other B5, B6, B18, and B19. Therefore, the B26 frequency band (814 MHz-849MHz,859MHz-894 MHz) under the LTE system can be determined as the target calibration frequency band, and the calibration signals of the B26 frequency band under the LTE system are calibrated, and other B5, B6, B18 and B19 can directly call the calibration results of the B26 frequency band.
In 102, when the current calibration signal is transmitted by the radio frequency channel 11, acquiring a current frequency band of the current calibration signal;
when the calibration test is performed, the integrated test device 200 may transmit calibration signals of a certain frequency band to the electronic device 100 one by one, and when the current calibration signal transmitted by the integrated test device 200 may be transmitted by a certain radio frequency path 11, for example, the radio frequency path 11a, the electronic device 100 may enter a multiplexing radio frequency path wide-band calibration mode. It should be understood that the multiplexed rf path wide-band calibration mode refers to a calibration mode in which a plurality of calibration signals transmitted by the same rf path 11 can multiplex calibration results of the calibration signals with the widest frequency band or wider, and a specific calibration manner may be referred to in the following steps 103 and 104. The control device 300 or the electronic device 100 may acquire the current frequency band of the current calibration signal and perform the calibration operation according to the subsequent steps 103 and 104.
It will be appreciated that when the current calibration signal transmitted by the integrated device 200 is not transmitted by the rf path 11, for example, the rf path 11a, the control device 300 or the electronic device 100 may not acquire the current frequency band of the current calibration signal and may not perform the following steps 103, 104. At this time, the control device 300 or the electronic device 100 may perform an additional test method on the current calibration signal, for example, perform a calibration operation on the current calibration signal and output a second calibration result.
It is understood that the electronic device 100 may determine its current frequency band according to the communication protocol of the received current calibration signal, but is not limited to; the electronic device 100 or the control device 300 may also determine the current frequency band of the current calibration signal according to the data transmitted by the comprehensive tester. The embodiment of the application does not limit the acquisition mode of the current calibration signal.
In 103, when the current frequency band is the target calibration frequency band, performing a calibration operation on the current calibration signal and outputting a first calibration result;
when the current frequency band of the current calibration signal is the target calibration frequency band, the control device 300 may control the electronic device 100 to perform a calibration operation on the current calibration signal and output a first calibration result, where the first calibration result may include calibration parameters of the radio frequency path 11, for example, the radio frequency path 11a, for signals of the frequency band. After the electronic device 100 obtains the first calibration result, the first calibration result may be stored. When the subsequent electronic device 100 transmits the wireless signal corresponding to the target calibration frequency band, the calibration parameter may be invoked to adjust the radio frequency parameter of the wireless signal.
For example, when the current frequency band of the current calibration signal transmitted by the comprehensive tester is the same as the B26 frequency band in the LTE system, the control device 300 may control the electronic device 100 to perform the calibration operation on the current calibration signal and output the first calibration result.
It will be appreciated that the calibration operation performed by the electronic device 100 on the current calibration signal may be performed by, but is not limited to, XO calibration (crystal oscillator calibration), TX/RX calibration (transmission performance versus reception performance separation calibration), FBRX calibration (power detector calibration), RX calibration (reception performance calibration), TXAPT/XPT calibration (transmission procedure/chip calibration), GSM calibration (global system for mobile communications calibration), and the like. This is not limiting in the embodiments of the present application.
In 104, when the current frequency band is not the target calibration frequency band, stopping performing the calibration operation on the current calibration signal, and directly outputting the first calibration result.
When the current frequency band of the current calibration signal is not the target calibration frequency band, at this time, the electronic device 100 may not perform the calibration operation on the current calibration signal, and the electronic device 100 may use the first calibration result obtained by performing the calibration operation on the calibration signal corresponding to the target calibration frequency band as the calibration result of the current calibration signal at this time. When the subsequent electronic device 100 transmits the wireless signal corresponding to the current frequency band, the first calibration result may be directly invoked to adjust the radio frequency parameter of the wireless signal.
For example, when the current calibration signal transmitted by the comprehensive tester is a B5 band of the LTE system, which is different from a B26 band of the LTE system, at this time, the control device 300 may control the electronic device 100 not to perform the calibration operation on the B5 band of the LTE system, and the electronic device 100 may directly multiplex the first calibration result as the calibration result of the B5 band signal of the LTE system.
According to the antenna calibration method, a target calibration frequency band is determined according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel 11, and the target calibration frequency band is intersected with the frequency bands of other calibration signals; when the current calibration signal is transmitted by the radio frequency channel 11, acquiring the current frequency band of the current calibration signal; when the current frequency band is a target calibration frequency band, executing a calibration operation on the current calibration signal and outputting a first calibration result; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting a first calibration result. Based on this, in the plurality of calibration signals transmitted by the same radio frequency channel 11, the antenna calibration method may perform a calibration operation on the calibration signal with the frequency band range as the target calibration frequency band and obtain a calibration result, and may directly multiplex the calibration result without performing the calibration operation on other calibration signals, so that, on one hand, the calibration operation is not required to be performed on other calibration signals, and the calibration efficiency may be improved; on the other hand, since the plurality of calibration signals are transmitted by the same radio frequency channel 11 and the range of the target calibration frequency band is large, other calibration signals multiplex the calibration results of the target calibration frequency band, and the accuracy of calibration can be ensured.
Wherein, when the current calibration signal is transmitted by the radio frequency channel 11, the current frequency band of the current calibration signal is obtained, including: determining whether the communication protocol of the current calibration signal matches the communication protocol of the radio frequency path 11; if the current frequency range is matched with the current frequency range, acquiring a current frequency range of the current calibration signal; if the two signals do not match, a calibration operation is performed on the current calibration signal and a second calibration result is output.
To ensure accuracy of multiplexing of the calibration results, multiple calibration signals multiplexing the calibration results can be transmitted by the same radio frequency path 11, e.g. radio frequency path 11 a. Thus, it may be determined whether the calibration signal is transmitted by the radio frequency path 11 before the current frequency band of the current calibration signal is acquired. The antenna calibration method can determine whether the current calibration signal is transmitted by the radio frequency channel 11 according to whether the communication protocol of the current calibration signal is matched with the communication protocol of the radio frequency channel 11, when the communication protocol of the current calibration signal is matched with the communication protocol of the radio frequency channel 11, the current frequency band of the current calibration signal can be obtained, and if the communication protocol of the current calibration signal is not matched with the communication protocol of the radio frequency channel 11, the current calibration signal can be subjected to calibration operation and a second calibration result can be output.
It will be appreciated that when the current calibration signal is not transmitted by the rf path 11, and is affected by a different rf device, the current calibration signal is not suitable for multiplexing the calibration result obtained by the target calibration frequency band signal, and at this time, the antenna calibration method does not enter the broadband calibration mode of the multiplexed rf path, and the antenna calibration method can perform the calibration operation on the current calibration signal and obtain the second calibration result. The calibration operation may be performed by, but is not limited to, XO calibration, TX/RX calibration, FBRX calibration, RX calibration, TXAPT/XPT calibration, GSM calibration, and the like.
It will be appreciated that, instead of determining whether the current calibration signal is transmitted by the radio frequency path 11 according to whether the communication protocol of the current calibration signal matches the communication protocol of the radio frequency path 11, a frequency band mapping table of the radio signal transmitted by the radio frequency path 11 may be preset in advance, and whether the current calibration signal is transmitted by the radio frequency path 11 may be determined according to the mapping table. This is not limiting in the embodiments of the present application.
According to the antenna calibration method, whether the current calibration signal is transmitted by the radio frequency channel 11 or not can be determined according to whether the communication protocol of the current calibration signal is matched with the communication protocol of the radio frequency channel 11, and multiplexing calibration results are carried out on a plurality of calibration signals transmitted by the same radio frequency channel 11, so that the multiplexing accuracy of the calibration structures of the plurality of calibration signals can be improved.
Wherein, determining the target calibration frequency band according to the frequency bands of the plurality of calibration signals transmitted by the same radio frequency channel 11 comprises: and determining a target transmitting calibration frequency band and a target receiving calibration frequency band according to the frequency bands of the plurality of calibration signals transmitted by the same radio frequency channel 11, wherein the target transmitting calibration frequency band is intersected with the transmitting frequency bands of other calibration signals, and the target receiving calibration frequency band is intersected with the receiving frequency bands of other calibration signals. When the current calibration signal is transmitted by the radio frequency path 11, the current frequency band of the current calibration signal is acquired, including: when the current calibration signal is transmitted by the radio frequency path 11, the current transmission frequency band and the current reception frequency band of the current calibration signal are acquired. When the current frequency band is the target calibration frequency band, performing a calibration operation on the current calibration signal and outputting a first calibration result, including: when the current transmitting frequency band is a target transmitting calibration frequency band, executing calibration operation on the current transmitting frequency band of the current calibration signal and outputting a first sub-calibration result; and when the current receiving frequency band is the target receiving calibration frequency band, executing calibration operation on the current receiving frequency band of the current calibration signal and outputting a second sub-calibration result. And stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting a first calibration result, wherein the method comprises the following steps: stopping executing calibration operation on the current transmission frequency band of the current calibration signal when the current transmission frequency band is not the target transmission calibration frequency band, and outputting a first sub-calibration result; and stopping executing the calibration operation on the current receiving frequency band of the current calibration signal when the current receiving frequency band is not the target receiving calibration frequency band, and outputting a second sub-calibration result.
It will be appreciated that, among the plurality of calibration signals, there may be a band region where the target transmit calibration band overlaps the transmit bands of the other calibration signals. And, the overlapping range of the target transmitting calibration frequency band and the transmitting frequency bands of other calibration signals may be one of the plurality of calibration signals with the largest overlapping range of the transmitting frequency bands, so that the target transmitting calibration frequency band is a wide transmitting frequency band. Similarly, a frequency band area where the target receiving calibration frequency band and the receiving frequency band of other calibration signals overlap may exist, and the overlapping range of the target receiving calibration frequency band and the receiving frequency band of other calibration signals may be one of the plurality of calibration signals with the largest overlapping range of the receiving frequency bands, so that the target receiving calibration frequency band is a wide receiving frequency band.
It will be appreciated that the frequency range of the target transmit calibration signal may also cover the transmit frequency range of other calibration signals, and the frequency range of the target receive calibration signal may also cover the receive frequency range of other calibration signals. Thus, the target transmit calibration signal may be the calibration signal with the widest transmit frequency range of the plurality of calibration signals, and the target receive calibration signal may be the calibration signal with the widest receive frequency range of the plurality of calibration signals.
It can be understood that, since the transmitting frequency band and the receiving frequency band of the calibration signal may not completely coincide, the target transmitting calibration frequency band and the target receiving calibration frequency band may be determined for the plurality of calibration signals, and the calibration operation may be performed for the target transmitting calibration frequency band and the target receiving calibration frequency band to obtain the first sub-calibration result and the second sub-calibration result, and other calibration signals may directly multiplex the first sub-calibration result and the second sub-calibration result, thereby not only improving the calibration efficiency of the plurality of calibration signals, but also making the calibration result of the plurality of calibration signals more accurate.
Referring to fig. 5 and fig. 6, fig. 5 is a second flowchart of the antenna calibration method according to the embodiment of the present application, and fig. 6 is a schematic diagram of execution control of the antenna calibration method shown in fig. 5. The antenna calibration method comprises the following steps:
in 201, according to the frequency bands of multiple calibration signals transmitted by the same radio frequency channel 11, determining a target transmitting calibration frequency band and a target receiving calibration frequency band, wherein the target transmitting calibration frequency band range covers the transmitting frequency band range of other calibration signals, and the target receiving calibration frequency band range covers the receiving frequency band range of other calibration signals;
The target transmitting calibration signal and the target receiving calibration signal can be determined according to the plurality of calibration signals transmitted by the radio frequency channel 11, the overlapping range of the frequency band of the target transmitting calibration signal and the transmitting frequency bands of other calibration signals is the largest, the frequency band of the target transmitting calibration signal can also completely cover the transmitting frequency bands of other calibration signals, and the transmitting frequency band corresponding to the target transmitting calibration signal can be the target transmitting calibration frequency band. Similarly, the overlapping range of the frequency band of the target receiving calibration signal and the receiving frequency bands of other calibration signals is the largest, the frequency band of the target receiving calibration signal can also completely cover the receiving frequency bands of other calibration signals, and the receiving frequency band corresponding to the target receiving calibration signal can be the target receiving calibration frequency band.
For example, when the radio frequency path 11, for example, the radio frequency path 11a, needs to calibrate the B4 band signal, the B3 band signal, and the B1 band signal of the LTE system, since the transmitting band of the B3 signal may cover the transmitting band of the B4 signal and the transmitting band of the B1 signal, the receiving band of the B1 band may cover the receiving signals of the B3 signal and the B4 signal. Thus, the transmission frequency band of the B3 signal may be determined as the target transmission calibration frequency band, and the reception frequency band of the B1 signal may be determined as the target reception calibration frequency band.
In 202, it is determined whether the current calibration signal is transmitted by the radio frequency path 11;
the antenna calibration method may determine whether the communication protocol of the current calibration signal matches the communication protocol of the radio frequency path 11; if the signals are matched, determining that the current calibration signal can be transmitted by the radio frequency channel 11, and entering a wide-band calibration mode of the radio frequency channel 11 at the moment; if the signals do not match, the current calibration signal does not belong to the wide-band calibration mode of the radio frequency channel 11, and the antenna calibration method can execute the calibration operation on the current calibration signal and output a second calibration result.
In 203, if the current calibration signal is transmitted by the radio frequency channel 11, acquiring a current transmitting frequency band and a current receiving frequency band of the current calibration signal;
in 204, when the current transmission frequency band is the target transmission calibration frequency band, performing calibration operation on the current transmission frequency band of the current calibration signal and outputting a first sub-calibration result;
in 205, when the current receiving frequency band is the target receiving calibration frequency band, performing calibration operation on the current receiving frequency band of the current calibration signal and outputting a second sub-calibration result;
when the current transmission frequency band of the current calibration signal is the target transmission calibration frequency band, the control device 300 may control the electronic device 100 to perform the calibration operation on the current transmission frequency band of the current calibration signal and output the first sub-calibration result. After the electronic device 100 obtains the first sub-calibration result, the first sub-calibration result may be stored. When the subsequent electronic device 100 transmits the transmission signal corresponding to the target transmission calibration frequency band, the first sub-calibration result may be invoked to adjust the radio frequency parameter of the transmission signal.
When the current reception frequency band of the current calibration signal is the target reception calibration frequency band, the control device 300 may control the electronic device 100 to perform the calibration operation on the current reception frequency band of the current calibration signal and output the second sub-calibration result. After the electronic device 100 obtains the second sub-calibration result, the second sub-calibration result may be stored. When the subsequent electronic device 100 transmits the received signal corresponding to the target receiving calibration frequency band, the second sub-calibration result may be invoked to adjust the radio frequency parameter of the received signal.
For example, when the current transmission frequency band of the current calibration signal transmitted by the comprehensive tester is the same as the B3 frequency band in the LTE system, the control device 300 may control the electronic device 100 to perform the calibration operation on the current transmission frequency band of the current calibration signal and output the first sub-calibration result. When the current receiving frequency band of the current calibration signal transmitted by the comprehensive tester is the same as the B1 frequency band in the LTE system, the control device 300 may control the electronic device 100 to perform the calibration operation on the current receiving frequency band of the current calibration signal and output the second sub-calibration result.
It will be appreciated that the calibration operation performed on the current transmit frequency band of the current calibration signal may be different from the calibration operation performed on the current receive frequency band of the current calibration signal. For example, the current transmit frequency band may perform TX calibration operations and the current receive frequency band may perform RX calibration operations. Of course, the calibration operation performed on the current transmit frequency band of the current calibration signal may also be the same as the calibration operation performed on the current receive frequency band of the current calibration signal, e.g. both XO calibrations. This is not limiting in the embodiments of the present application.
In 206, stopping performing calibration operation on the current transmission frequency band of the current calibration signal when the current transmission frequency band is not the target transmission calibration frequency band, and outputting a first sub-calibration result;
in 207, stopping performing calibration operation on the current receiving frequency band of the current calibration signal when the current receiving frequency band is not the target receiving calibration frequency band, and outputting a second sub-calibration result;
when the current transmission frequency band of the current calibration signal is not the target transmission calibration frequency band, the current transmission frequency band of the current calibration signal is a narrower frequency band, at this time, the electronic device 100 may not perform the calibration operation on the current transmission frequency band of the current calibration signal, and the electronic device 100 may use the first sub-calibration result of the target transmission calibration frequency band as the calibration result of the current transmission frequency band of the current calibration signal. When the subsequent electronic device 100 transmits the transmission signal corresponding to the current transmission frequency band, the first sub-calibration result may be directly invoked to adjust the radio frequency parameter of the transmission signal.
When the current receiving frequency band of the current calibration signal is not the target transmitting calibration frequency band, the current receiving frequency band of the current calibration signal is a narrower frequency band, at this time, the electronic device 100 may not perform the calibration operation on the current receiving frequency band of the current calibration signal, and the electronic device 100 may use the second sub-calibration result of the target current calibration frequency band as the calibration result of the current receiving frequency band of the current calibration signal. When the subsequent electronic device 100 transmits the transmission signal corresponding to the current receiving frequency band, the second sub-calibration result may be directly invoked to adjust the radio frequency parameter of the received signal.
For example, when the current calibration signal transmitted by the comprehensive tester is a B4 signal in LTE system, the transmission frequency band of the B4 signal is different from the transmission frequency band of the B3 signal, so the control device 300 may control the electronic device 100 not to perform the calibration operation on the transmission frequency band of the B4 signal, and the electronic device 100 may directly multiplex the first sub-calibration result of the transmission frequency band of the B3 signal as the calibration result of the transmission frequency band of the B4 signal.
For another example, when the current calibration signal transmitted by the comprehensive tester is a B4 signal in LTE system, the receiving frequency band of the B4 signal is different from the transmitting frequency band of the B1 signal, so the control device 300 may control the electronic device 100 not to perform the calibration operation on the receiving frequency band of the B4 signal, and the electronic device 100 may directly multiplex the second sub-calibration result of the receiving frequency band of the B1 signal as the calibration result of the receiving frequency band of the B4 signal.
If the current calibration signal is not transmitted by the radio frequency path 11, at 208, a calibration operation is performed on the current calibration signal and a second calibration result is output.
If the current calibration signal is not transmitted by the radio frequency path 11, it indicates that the current calibration signal does not belong to the multiplexed radio frequency path broadband calibration mode, and the antenna calibration method may perform a calibration operation on the current calibration signal and output a second calibration result.
According to the antenna calibration method, the target transmitting calibration frequency band and the target receiving calibration frequency band are determined according to the frequency bands of the plurality of calibration signals transmitted by the same radio frequency channel 11, the current calibration signals can respectively execute calibration operation according to the corresponding relation between the transmitting frequency band, the receiving signals and the target transmitting calibration frequency band and the target receiving calibration frequency band, and the calibration of the transmitting frequency band and the receiving frequency band of the current calibration signals is more accurate.
It will be appreciated that the present application is not limited by the order of execution of the steps described, and certain steps may be performed in other orders or concurrently without conflict.
The above embodiments are only specific application scenarios of the antenna calibration method according to the embodiments of the present application, and it can be appreciated that the antenna calibration method according to the present application may also be used in other application scenarios, and the specific application scenarios of the antenna calibration method are not limited in the embodiments of the present application.
Based on the above antenna calibration method, the embodiment of the present application further provides an antenna calibration device 400, please refer to fig. 7, and fig. 7 is a schematic structural diagram of the antenna calibration device 400 provided in the embodiment of the present application. The antenna calibration device 400 includes a determination module 410, an acquisition module 420, and a calibration module 430.
A determining module 410, configured to determine a target calibration frequency band according to the frequency bands of the plurality of calibration signals transmitted by the same radio frequency channel 11, where the target calibration frequency band intersects with the frequency bands of the other calibration signals;
an obtaining module 420, configured to obtain a current frequency band of the current calibration signal when the current calibration signal is transmitted by the radio frequency channel 11;
the calibration module 430 is configured to perform a calibration operation on the current calibration signal and output a first calibration result when the current frequency band is the target calibration frequency band; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting a first calibration result.
The range of the target calibration frequency band can completely cover the frequency band range of other calibration signals.
Wherein, the acquisition module 420 is further configured to: determining whether the communication protocol of the current calibration signal matches the communication protocol of the radio frequency path 11; and if the current frequency range is matched with the current frequency range, acquiring the current frequency range of the current calibration signal.
Wherein, the determining module 410 is further configured to: the target transmitting calibration frequency band and the target receiving calibration frequency band are determined according to the frequency bands of the plurality of calibration signals transmitted by the radio frequency path 11. The acquisition module 420 is further configured to: when the current calibration signal is transmitted by the radio frequency path 11, the current transmission frequency band and the current reception frequency band of the current calibration signal are acquired. The calibration module 430 is also configured to: when the current transmitting frequency band is a target transmitting calibration frequency band, executing calibration operation on the current transmitting frequency band of the current calibration signal and outputting a first sub-calibration result; when the current receiving frequency band is the target receiving calibration frequency band, executing calibration operation on the current receiving frequency band of the current calibration signal and outputting a second sub-calibration result; stopping performing calibration operation on the current transmission frequency band of the current calibration signal when the current transmission frequency band is not the target transmission calibration frequency band, and outputting a transmission first sub-calibration result; or stopping executing the calibration operation on the current receiving frequency band of the current calibration signal when the current receiving frequency band is not the target receiving calibration frequency band, and outputting a second sub-calibration result.
It can be understood that, in the implementation, each module may be implemented as an independent entity, or may be implemented as the same entity or several entities in any combination, and the implementation of each module may be referred to the foregoing method embodiments and will not be repeated herein.
It should be noted that, the antenna calibration device 400 provided in the embodiment of the present application and the antenna calibration method in the above embodiment belong to the same concept, and any method provided in the embodiment of the antenna calibration method may be run on the antenna calibration device 400, and detailed implementation processes of the method are shown in the embodiment of the antenna calibration method, which is not repeated herein.
As can be seen from the above, in the antenna calibration device 400 according to the embodiment of the present application, the determining module 410 is configured to determine a target calibration frequency band according to the frequency bands of the plurality of calibration signals transmitted by the same radio frequency channel 11, where the target calibration frequency band intersects with the frequency bands of other calibration signals; the obtaining module 420 is configured to obtain a current frequency band of the current calibration signal when the current calibration signal is transmitted by the radio frequency channel 11; the calibration module 430 is configured to perform a calibration operation on the current calibration signal and output a first calibration result when the current frequency band is the target calibration frequency band; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting a first calibration result. Based on this, among the plurality of calibration signals transmitted by the radio frequency path 11, other calibration signals may directly multiplex the calibration result of the target calibration frequency band without performing the calibration operation, so that, on the one hand, the other calibration signals do not need to perform the calibration operation, and the calibration efficiency may be improved; on the other hand, since the plurality of calibration signals are all transmitted by the same radio frequency channel 11 and the range of the target calibration frequency band is the largest, other calibration signals multiplex the calibration results of the target calibration frequency band, and the accuracy of calibration can be ensured.
The embodiment of the application also provides the electronic equipment 100. The electronic device 100 may be a smart phone, tablet computer, or the like. Referring to fig. 2 and fig. 8, fig. 8 is a schematic structural diagram of an electronic device 100 according to an embodiment of the present application. The electronic device 100 includes one or more radio frequency circuits 10, which radio frequency circuits 10 may include one or more radio frequency channels 11 of the previous embodiments. The electronic device 100 may receive the calibration signal transmitted from the integrated measuring device 200, and the electronic device 100 may also receive the control signal transmitted from the control device 300 and perform a calibration operation on the calibration signal. The electronic device 100 further comprises at least a processor 20 and a memory 30.
The processor 20 is a control center of the electronic device 100, connects various parts of the entire electronic device 100 using various interfaces and lines, and performs various functions of the electronic device 100 and processes data by running or calling computer programs stored in the memory 30 and calling data stored in the memory 30, thereby performing overall monitoring of the electronic device 100. The radio frequency circuit 10 and the radio frequency path 11 in the foregoing embodiments may be directly or indirectly electrically connected to the processor 20. Memory 30 may be used to store computer programs and data. The memory 30 stores a computer program comprising instructions executable in the processor 20. The computer program may constitute various functional modules. The processor 20 executes various functional applications and data processing by invoking computer programs stored in the memory 30.
In this embodiment, the processor 20 in the electronic device 100 loads the instructions corresponding to the processes of one or more computer programs into the memory 30 according to the following steps, and the processor 20 executes the computer programs stored in the memory 30, so as to implement various functions:
determining a target calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel 11, wherein the target calibration frequency band is intersected with the frequency bands of other calibration signals; when the current calibration signal is transmitted by the radio frequency channel 11, acquiring the current frequency band of the current calibration signal; when the current frequency band is a target calibration frequency band, executing a calibration operation on the current calibration signal and outputting a first calibration result; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting a first calibration result.
The range of the target calibration frequency band can completely cover the frequency band range of other calibration signals.
Wherein the processor 20 runs a computer program stored in the memory 30 and is further adapted to: determining whether the communication protocol of the current calibration signal matches the communication protocol of the radio frequency path 11; and if the current frequency range is matched with the current frequency range, acquiring the current frequency range of the current calibration signal. If the two signals do not match, a calibration operation is performed on the current calibration signal and a second calibration result is output.
Wherein the processor 20 runs a computer program stored in the memory 30 and is further adapted to: determining a target transmitting calibration frequency band and a target receiving calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel 11; when the current calibration signal is transmitted by the radio frequency channel 11, acquiring a current transmitting frequency band and a current receiving frequency band of the current calibration signal; when the current transmitting frequency band is a target transmitting calibration frequency band, executing calibration operation on the current transmitting frequency band of the current calibration signal and outputting a first sub-calibration result; when the current receiving frequency band is the target receiving calibration frequency band, executing calibration operation on the current receiving frequency band of the current calibration signal and outputting a second sub-calibration result; stopping performing calibration operation on the current transmission frequency band of the current calibration signal when the current transmission frequency band is not the target transmission calibration frequency band, and outputting a transmission first sub-calibration result; or stopping executing the calibration operation on the current receiving frequency band of the current calibration signal when the current receiving frequency band is not the target receiving calibration frequency band, and outputting a second sub-calibration result.
As shown in fig. 8, the electronic device 100 may further include: a display 40, a control circuit 50, an input unit 60, a sensor 70 and a power supply 80. The processor 20 is electrically connected to the radio frequency circuit 10, the display screen 40, the control circuit 50, the input unit 60, the sensor 70 and the power supply 80, respectively.
The display 40 may be used to display information entered by a user or provided to a user as well as various graphical user interfaces of the electronic device 100, which may be composed of images, text, icons, video, and any combination thereof. The control circuit 50 is electrically connected to the display 40, and is used for controlling the display 40 to display information. The input unit 60 may be used to receive input numbers, character information or user characteristic information (e.g., a fingerprint), and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. The sensor 70 is used to collect information of the electronic device 100 itself or information of a user or external environment information. For example, the sensor 70 may include a plurality of sensors such as a distance sensor, an acceleration sensor, a fingerprint sensor, a hall sensor, a gyroscope, and the like. The power supply 80 is used to power the various components of the electronic device 100. It is to be understood that, although not shown in fig. 8, the electronic device 100 may further include a camera, a bluetooth module, etc., which will not be described herein.
As can be seen from the above, in the electronic device 100 provided in the embodiment of the present application, the processor 20 determines the target calibration frequency band according to the frequency bands of the plurality of calibration signals transmitted by the same radio frequency channel 11; when the current calibration signal is transmitted by the radio frequency channel 11, acquiring the current frequency band of the current calibration signal; when the current frequency band is a target calibration frequency band, executing a calibration operation on the current calibration signal and outputting a first calibration result; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting a first calibration result. Therefore, on one hand, other calibration signals do not need to perform calibration operation, and the calibration efficiency can be improved; on the other hand, since the plurality of calibration signals are all transmitted by the same radio frequency channel 11 and the range of the target calibration frequency band is the largest, other calibration signals multiplex the calibration results of the target calibration frequency band, and the accuracy of calibration can be ensured.
The present embodiment also provides a storage medium, in which a computer program is stored, which when run on the processor 20, the processor 20 performs the method for implementing the antenna calibration of any of the above embodiments. It is understood that the functions of the processor 20 may be referred to the processor 20 in the above embodiments, and are not described herein.
It should be noted that, those skilled in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be implemented by a computer program to instruct related hardware, and the computer program may be stored in a computer readable storage medium, where the storage medium may include, but is not limited to: a Read Only Memory 30 (ROM), a random access Memory 30 (RAM, random Access Memory), a magnetic disk or an optical disk, or the like.
The antenna calibration method, the device, the storage medium and the electronic equipment provided by the embodiment of the application are described in detail. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, with the description of the examples given above only to assist in understanding the present application. Meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. An antenna calibration method, comprising:
determining a target calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel, wherein the target calibration frequency band is intersected with the frequency bands of other calibration signals;
acquiring a current frequency band of a current calibration signal when the current calibration signal is transmitted by the radio frequency channel;
when the current frequency band is the target calibration frequency band, executing calibration operation on the current calibration signal and outputting a first calibration result;
and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting the first calibration result.
2. The antenna calibration method according to claim 1, wherein the range of the target calibration frequency band covers the frequency band range of other calibration signals.
3. The method of claim 1, wherein the obtaining the current frequency band of the current calibration signal while the current calibration signal is transmitted by the radio frequency path comprises:
determining whether a communication protocol of the current calibration signal matches a communication protocol of the radio frequency path;
And if the current frequency range is matched with the current frequency range, acquiring the current frequency range of the current calibration signal.
4. The antenna calibration method of claim 3, wherein after determining whether the communication protocol of the current calibration signal matches the communication protocol of the radio frequency path, further comprising:
and if the current calibration signals are not matched, executing the calibration operation on the current calibration signals and outputting second calibration results.
5. The method of claim 1, wherein determining the target calibration frequency band based on the frequency bands of the plurality of calibration signals transmitted by the same radio frequency channel comprises:
determining a target transmitting calibration frequency band and a target receiving calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the radio frequency channel, wherein the target transmitting calibration frequency band is intersected with the transmitting frequency bands of other calibration signals, and the target receiving calibration frequency band is intersected with the receiving frequency bands of other calibration signals;
the step of obtaining the current frequency band of the current calibration signal when the current calibration signal is transmitted by the radio frequency channel includes:
when the current calibration signal is transmitted by the radio frequency channel, acquiring a current transmitting frequency band and a current receiving frequency band of the current calibration signal;
And when the current frequency band is the target calibration frequency band, executing a calibration operation on the current calibration signal and outputting a first calibration result, wherein the method comprises the following steps:
when the current transmitting frequency band is the target transmitting calibration frequency band, executing calibration operation on the current transmitting frequency band of the current calibration signal and outputting a first sub-calibration result;
when the current receiving frequency band is the target receiving calibration frequency band, executing calibration operation on the current receiving frequency band of the current calibration signal and outputting a second sub-calibration result;
and stopping executing the calibration operation on the current calibration signal and directly outputting the first calibration result when the current frequency band is not the target calibration frequency band, wherein the method comprises the following steps:
stopping executing calibration operation on the current transmission frequency band of the current calibration signal when the current transmission frequency band is not the target transmission calibration frequency band, and outputting the first sub-calibration result;
and stopping executing calibration operation on the current receiving frequency band of the current calibration signal when the current receiving frequency band is not the target receiving calibration frequency band, and outputting the second sub-calibration result.
6. An antenna calibration device, comprising:
The determining module is used for determining a target calibration frequency band according to the frequency bands of a plurality of calibration signals transmitted by the same radio frequency channel, wherein the target calibration frequency band is intersected with the frequency bands of other calibration signals;
the acquisition module is used for acquiring the current frequency band of the current calibration signal when the current calibration signal is transmitted by the radio frequency channel; and
The calibration module is used for executing calibration operation on the current calibration signal and outputting a first calibration result when the current frequency band is the target calibration frequency band; and stopping executing the calibration operation on the current calibration signal when the current frequency band is not the target calibration frequency band, and directly outputting the first calibration result.
7. The antenna calibration device of claim 6, wherein the range of the target calibration frequency band covers a frequency band range of other calibration signals.
8. The antenna calibration device of claim 6, wherein the acquisition module is further configured to:
determining whether a communication protocol of the current calibration signal matches a communication protocol of the radio frequency path;
and if the current frequency range is matched with the current frequency range, acquiring the current frequency range of the current calibration signal.
9. A storage medium having stored thereon a computer program which, when run on a processor, causes the processor to perform the antenna calibration method according to any of claims 1 to 5.
10. An electronic device comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, which when executed by the processor implements the antenna calibration method of any one of claims 1 to 5.
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| CN116545860A (en) * | 2023-07-07 | 2023-08-04 | Tcl通讯科技（成都）有限公司 | Calibration data reading method and device, storage medium and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116545860A (en) * | 2023-07-07 | 2023-08-04 | Tcl通讯科技（成都）有限公司 | Calibration data reading method and device, storage medium and electronic equipment |
| CN116545860B (en) * | 2023-07-07 | 2023-10-03 | Tcl通讯科技（成都）有限公司 | Calibration data reading method and device, storage medium and electronic equipment |
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