CN115623466B - Method and device for controlling power tube, electronic equipment and storage medium - Google Patents
Method and device for controlling power tube, electronic equipment and storage medium Download PDFInfo
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- CN115623466B CN115623466B CN202211629228.8A CN202211629228A CN115623466B CN 115623466 B CN115623466 B CN 115623466B CN 202211629228 A CN202211629228 A CN 202211629228A CN 115623466 B CN115623466 B CN 115623466B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/223—TPC being performed according to specific parameters taking into account previous information or commands predicting future states of the transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
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Abstract
The application relates to the technical field of communication, and discloses a method for controlling power tubes, which is applied to electronic equipment, wherein a power tube array is arranged in the electronic equipment, the power tube array is formed by arranging power tubes with preset number in a partitioning manner, the power tube partitions comprise a plurality of groups of power tube groups, and the method comprises the following steps: acquiring an alternative waveform diagram of a radio frequency signal of the electronic equipment in a preset time period. And acquiring characteristic information in the alternative oscillogram. And comparing the characteristic information in the alternative oscillogram with the characteristic information in the preset expected oscillogram to obtain a comparison difference value. And determining the configuration information respectively corresponding to the power tube array in the signal undershoot period and the signal overshoot period according to the comparison difference. And acquiring a control word corresponding to the configuration information, and controlling the number of power tube switches in the power tube blocks according to the control word. Therefore, undershoot and overshoot of the radio frequency signal are reduced, and the signal quality is improved. The application also discloses a device for controlling the power tube, electronic equipment and a storage medium.
Description
Technical Field
The present application relates to the field of communications technologies, and for example, to a method and an apparatus for controlling a power transistor, an electronic device, and a storage medium.
Background
With the popularization and application of mobile terminals, electronic devices such as mobile phones are indispensable in life, and various functions added to the electronic devices are receiving more and more attention. Electronic devices equipped with NFC (Near Field Communication) functions can function as, for example, bus cards, access cards, and the like. When the electronic equipment transmits radio frequency signals to carry out near field communication, the output power is adjusted by controlling the number of power tube switches in the electronic equipment.
Existing methods for adjusting the output power of a power tube include, for example: chinese patent document CN 101588208B discloses a power management method and device, including an SE security unit, a main control unit, and a power management module; wherein the SE security unit is connected with an antenna for near field communication; in a power-off state, the SE safety unit and the antenna work independently, and the antenna and the terminal equipment perform near field communication; the SE safety unit controls the power supply management module to be switched on and off under a specific condition; the main control unit is connected with the SE safety unit; the power management module supplies power to the main control unit. For adjusting output power during transmission, the apparatus comprising: the monitoring module is used for counting the distribution condition of the output power of the signals with the wavelengths in the transmission process to obtain a statistical result, wherein the statistical result comprises the output power of the signals with the wavelengths, and the statistical result is sent to the control module; the control module is used for determining power control parameters according to the statistical result from the monitoring module and sending the power control parameters to the processing module; the processing module is used for adjusting the gain slope of the output power according to the power control parameter from the control module; wherein the processing module comprises: a first processing sub-module for outputting a slope of the first gain spectrum; a second processing submodule for outputting a slope of the second gain spectrum; and the first adjusting submodule is used for adjusting the proportion between the slope of the first gain spectrum and the slope of the second gain spectrum according to the power control parameter to obtain the gain slope of the output power.
Chinese patent document CN100334814C discloses a radio frequency power control system, which includes: a control unit, generating a control signal according to a transmission rate information; the power supply unit is coupled to the control unit to provide a power supply and comprises a switching unit, and the switching unit switches power output of the power supply according to the control signal; and the transmitting unit comprises a power amplifying unit for receiving the power supply and an original radio frequency signal, amplifying the original radio frequency signal and outputting a radio frequency signal.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
in the related art, when the output power of the power tube is controlled, the number of power tube switches in the electronic device is usually controlled by a preset fixed control word, but this control method is difficult to reduce undershoot and overshoot of the radio frequency signal, which easily results in poor signal quality in the communication process.
It is noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the application and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for controlling a power tube, electronic equipment and a storage medium, so as to improve the signal quality in the communication process.
In some embodiments, a method for controlling power tubes is applied to an electronic device, in which a power tube array is disposed in the electronic device, the power tube array is formed by arranging a preset number of power tube blocks, each power tube block includes multiple groups of power tube groups, and the power tube groups in different power tube blocks include different numbers of power tubes, and the method includes: acquiring an alternative waveform diagram of a radio frequency signal of the electronic equipment in a preset time period. And acquiring characteristic information in the alternative oscillogram. The characteristic information is used for representing signal characteristics of the radio frequency signal, and the signal characteristics comprise an overshoot amplitude of the radio frequency signal and an undershoot amplitude of the radio frequency signal. And comparing the characteristic information in the alternative oscillogram with the characteristic information in a preset expected oscillogram to obtain a comparison difference value. And determining configuration information respectively corresponding to the power tube array in a signal underrush period and a signal overshoot period according to the comparison difference. And acquiring a control word corresponding to the configuration information, and controlling the number of power tube switches in the power tube blocks according to the control word.
In some embodiments, the feature information in the alternative waveform map includes an alternative undershoot amplitude value and an alternative overshoot amplitude value, the feature information in the preset desired waveform map includes an expected undershoot amplitude value and an expected overshoot amplitude value, and comparing the feature information in the alternative waveform map with the feature information in the preset desired waveform map to obtain a comparison difference value includes: a first difference between the alternative undershoot amplitude and the desired undershoot amplitude is obtained, and a second difference between the alternative overshoot amplitude and the desired overshoot amplitude is obtained. Determining the first difference and the second difference as a comparison difference.
In some embodiments, determining, according to the comparison difference, configuration information corresponding to the power tube array during the signal undershoot period and the signal overshoot period respectively includes: performing table look-up operation in a preset configuration information table by using the first difference value to obtain the corresponding configuration information of the power tube array during the signal under-rush period, and performing table look-up operation in the preset configuration information table by using the second difference value to obtain the corresponding configuration information of the power tube array during the signal overshoot period; the configuration information table stores the corresponding relationship between the first difference and the configuration information corresponding to the power tube array during the signal undershoot period, and the corresponding relationship between the second difference and the configuration information corresponding to the power tube array during the signal overshoot period.
In some embodiments, the configuration information includes first configuration information, the first configuration information is used for characterizing configuration information corresponding to the power tube array during a signal undershoot period, and the first configuration information includes a first number of ramp steps of the power tube array during the signal undershoot period and a number of power tube switches corresponding to each step of the first number of ramp steps; acquiring a control word corresponding to the configuration information, including: and converting the number of power tube switches corresponding to each step in the first gradual change step number and the first gradual change step number by using a preset automatic waveform control algorithm to obtain control words of the power tube array in a signal under-rush period.
In some embodiments, the configuration information includes second configuration information, the second configuration information is used for characterizing corresponding configuration information of the power tube array during the signal overshoot, and the second configuration information includes a second number of gradual change steps of the power tube array during the signal overshoot and a number of power tube switches corresponding to each step in the second number of gradual change steps; acquiring a control word corresponding to the configuration information, including: and converting the number of power tube switches corresponding to each step in the second gradual change step number and the second gradual change step number by using a preset automatic waveform control algorithm to obtain control words of the power tube array during the signal overshoot period.
In some embodiments, the power tube array comprises a first power tube segment, a second power tube segment, and a third power tube segment; the control words comprise gradient step number control words and power tube switch number control words, and the power tube switch number control words comprise first type control words, second type control words and third type control words; the first type control word is used for controlling the number of power tube switches in a first power tube block, the second type control word is used for controlling the number of power tube switches in a second power tube block, and the third type control word is used for controlling the number of power tube switches in a third power tube block.
In some embodiments, the apparatus for controlling power tubes is applied to an electronic device, a power tube array is disposed in the electronic device, the power tube array is formed by arranging a preset number of power tube blocks in a block manner, the power tube blocks include multiple groups of power tube groups, and the number of power tubes included in the power tube groups in different power tube blocks is different, the apparatus includes: the first acquisition module is configured to acquire an alternative oscillogram of a radio frequency signal of the electronic device within a preset time period. A second obtaining module configured to obtain feature information in the alternative oscillogram; the characteristic information is used for representing the signal characteristics of the radio frequency signal; the signal characteristics include an overshoot amplitude of the radio frequency signal and an undershoot amplitude of the radio frequency signal. And the comparison module is configured to compare the characteristic information in the alternative oscillogram with the characteristic information in a preset expected oscillogram to obtain a comparison difference value. The determining module is configured to determine configuration information corresponding to the power tube array during the signal undershoot period and the signal overshoot period respectively according to the comparison difference. And the third acquisition module is configured to acquire the control word corresponding to the configuration information. And the control module is configured to control the number of power tube switches in the power tube blocks according to the control words.
In some embodiments, the apparatus for controlling a power transistor includes a processor and a memory storing program instructions, and the processor is configured to execute the method for controlling a power transistor when executing the program instructions.
In some embodiments, the electronic device comprises: an electronic device body; the above-described device for controlling a power transistor is mounted on the electronic apparatus body.
In some embodiments, the storage medium stores program instructions that, when executed, perform the method for controlling a power tube described above.
The method and the device for controlling the power tube, the electronic device and the storage medium provided by the embodiment of the disclosure can realize the following technical effects: the power tube groups with different numbers are arrayed according to the preset number of power tube blocks, and the power tube groups in different power tube blocks have different power tube numbers. When the control word corresponding to the configuration information is used for controlling the number of the power tube switches in each power tube block, the block control and the grouping control of the power tube array can be realized. Therefore, the output power of the power tube array can be more flexibly controlled, the undershoot and overshoot of the radio frequency signal are effectively reduced, and the signal quality in the communication process is improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic diagram of a first method for controlling a power transistor according to an embodiment of the disclosure;
fig. 2 is a schematic diagram of a second method for controlling a power transistor according to an embodiment of the disclosure;
fig. 3 is a schematic structural diagram of a power tube array arrangement provided by the embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a first apparatus for controlling a power transistor according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a second apparatus for controlling a power transistor according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and claims of the embodiments of the disclosure and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.
With reference to fig. 1, an embodiment of the present disclosure provides a method for controlling power tubes, which is applied to an electronic device, where a power tube array is disposed in the electronic device, the power tube array is formed by arranging a preset number of power tube blocks, each power tube block includes multiple groups of power tube groups, and the number of power tubes included in the power tube groups in different power tube blocks is different, and the method includes:
step S101, the electronic device obtains an alternative oscillogram of a radio frequency signal of the electronic device in a preset time period.
Step S102, the electronic equipment acquires characteristic information in the alternative oscillogram; the characteristic information is used for representing the signal characteristics of the radio frequency signal; the signal characteristics include an overshoot amplitude of the radio frequency signal and an undershoot amplitude of the radio frequency signal.
Step S103, the electronic device compares the feature information in the candidate waveform diagram with the feature information in the preset expected waveform diagram to obtain a comparison difference value.
And step S104, the electronic equipment determines configuration information respectively corresponding to the power tube array in the signal undershoot period and the signal overshoot period according to the comparison difference.
Step S105, the electronic device obtains a control word corresponding to the configuration information.
And S106, the electronic equipment controls the number of power tube switches in the power tube blocks according to the control words.
By adopting the method for controlling the power tubes provided by the embodiment of the disclosure, the power tube groups with different numbers are arrayed according to the preset number of power tube blocks, and the power tubes of the power tube groups in different power tube blocks are different in number. When the number of power tube switches in each power tube block is controlled by using the control word corresponding to the configuration information, the block control and the grouping control of the power tube array can be realized. Therefore, the output power of the power tube array can be more flexibly controlled, undershoot and overshoot of a transmitting signal are effectively reduced, and the signal quality in the communication process is improved.
Further, the characteristic information in the alternative waveform diagram includes an alternative undershoot amplitude value and an alternative overshoot amplitude value, and the characteristic information in the preset desired waveform diagram includes a desired undershoot amplitude value and a desired overshoot amplitude value. The electronic device compares the feature information in the alternative oscillogram with the feature information in the preset expected oscillogram to obtain a comparison difference value, and the comparison difference value comprises the following steps: the electronic device obtains a first difference between the alternative undershoot amplitude and the desired undershoot amplitude and obtains a second difference between the alternative overshoot amplitude and the desired overshoot amplitude. The first difference and the second difference are determined as comparison differences.
Further, the electronic device determines, according to the comparison difference, configuration information respectively corresponding to the power tube array during the signal undershoot period and the signal overshoot period, including: the electronic equipment performs table look-up operation in a preset configuration information table by using the first difference value to obtain the corresponding configuration information of the power tube array during the signal under-rush period, and performs table look-up operation in the preset configuration information table by using the second difference value to obtain the corresponding configuration information of the power tube array during the signal over-rush period; the configuration information table stores the corresponding relationship between the first difference and the configuration information corresponding to the power tube array during the signal undershoot period, and the corresponding relationship between the second difference and the configuration information corresponding to the power tube array during the signal overshoot period. Therefore, the configuration information of the signal undershoot period and the configuration information of the signal overshoot period are stored in the configuration information table in advance, so that the comparison difference value can be conveniently and directly matched for use, and the control efficiency is improved.
With reference to fig. 2, an embodiment of the present disclosure provides a method for controlling power tubes, which is applied to an electronic device, where a power tube array is disposed in the electronic device, the power tube array is formed by arranging a preset number of power tube blocks, each power tube block includes a plurality of groups of power tube groups, and the power tube groups in different power tube blocks include different numbers of power tubes, and the method includes:
step S201, the electronic device obtains an alternative waveform of the radio frequency signal of the electronic device in a preset time period.
In step S202, the electronic device acquires feature information in the alternative oscillogram. The characteristic information is used for characterizing signal characteristics of the radio frequency signal, and the signal characteristics comprise an overshoot amplitude value of the radio frequency signal and an undershoot amplitude value of the radio frequency signal.
In step S203, the electronic device compares the feature information in the candidate waveform diagram with the feature information in the preset expected waveform diagram to obtain a comparison difference. The comparison difference comprises a first difference and a second difference.
Step S204, the electronic device performs a table lookup operation in a preset configuration information table by using the first difference to obtain configuration information corresponding to the power tube array during the signal undershoot period, and performs a table lookup operation in the preset configuration information table by using the second difference to obtain configuration information corresponding to the power tube array during the signal overshoot period.
In step S205, the electronic device obtains a control word corresponding to the configuration information.
And step S206, the electronic equipment controls the number of power tube switches in the power tube blocks according to the control words.
By adopting the method for controlling the power tubes provided by the embodiment of the disclosure, the power tube groups with different numbers are arrayed according to the preset number of power tube blocks, and the power tubes of the power tube groups in different power tube blocks are different in number. When the control word corresponding to the configuration information is used for controlling the number of the power tube switches in each power tube block, the block control and the grouping control of the power tube array can be realized. Therefore, the output power of the power tube array can be more flexibly controlled, undershoot and overshoot of a transmitting signal are effectively reduced, and the signal quality in the communication process is improved. Meanwhile, the configuration information during the signal under-rush period and the configuration information during the signal over-rush period are respectively pre-stored in the configuration information table, so that the comparison difference value can be conveniently and directly matched for use, and the control efficiency is improved.
Further, the configuration information includes first configuration information, the first configuration information is used for representing configuration information corresponding to the power tube array during the signal under-rush period, and the first configuration information includes a first gradual change step number of the power tube array during the signal under-rush period and a power tube switch number corresponding to each step of the first gradual change step number. The electronic equipment acquires the control word corresponding to the configuration information, and the method comprises the following steps: the electronic equipment converts the number of power tube switches corresponding to each step in the first gradient step number and the first gradient step number by using a preset automatic waveform control algorithm to obtain a control word of the power tube array in a signal underrush period.
In some embodiments, in the case that the current total power tube switch number is 300 on and the target total power tube switch number is 20 on, the first configuration information is, for example: the first gradual change step number of the power tube array in the signal undershoot period is 4 steps. The number of the power tube switches corresponding to step 1 in the 4 steps of the first gradual change step number is 212. The number of the power tube switches corresponding to the step 2 is 128, the number of the power tube switches corresponding to the step 3 is 64, and the number of the power tube switches corresponding to the step 4 is 20.
In some embodiments, the control words include a ramp step number control word and a power transistor switch number control word. And the electronic equipment converts the first gradual change step number by using a preset automatic waveform control algorithm to obtain a gradual change step number control word of the power tube array in the signal under-rush period. The electronic equipment converts the number of the power tube switches respectively corresponding to each step in the first gradual change step number by using a preset automatic waveform control algorithm to obtain the control word of the number of the power tube switches of the power tube array during the signal under-rush period.
Further, the configuration information includes second configuration information, the second configuration information is used for representing configuration information corresponding to the power tube array during the signal overshoot period, and the second configuration information includes a second gradual change step number of the power tube array during the signal overshoot period and a power tube switch number corresponding to each step of the second gradual change step number. The electronic equipment acquires the control word corresponding to the configuration information, and the method comprises the following steps: and the electronic equipment converts the number of the power tube switches corresponding to each step in the second gradual change step number and the second gradual change step number by using a preset automatic waveform control algorithm to obtain a control word of the power tube array during the signal overshoot period.
In some embodiments, in the case that the current total power tube switch number is 252 on and the target total power tube switch number is 4 on, the second configuration information is, for example: the second number of gradual change steps of the power tube array during the signal undershoot period is 6 steps, i.e. 6 clocks. The total power tube switch number is 252. Then, in the 6 steps of the second gradual change step number, the number of the power tube switches corresponding to the 1 st step is 128, the number of the power tube switches corresponding to the 2 nd step is 64, and the number of the power tube switches corresponding to the 3 rd step is 32. The number of the power tube switches corresponding to the step 4 is 16, the number of the power tube switches corresponding to the step 5 is 8, and the number of the power tube switches corresponding to the step 6 is 4.
In some embodiments, the control words include a ramp step number control word and a power transistor switch number control word. And the electronic equipment converts the second gradient step number by using a preset automatic waveform control algorithm to obtain a gradient step number control word of the power tube array during the signal overshoot period. And the electronic equipment converts the number of the power tube switches respectively corresponding to each step in the second gradual change step number by using a preset automatic waveform control algorithm to obtain the control word of the number of the power tube switches of the power tube array during the signal overshoot period.
In some embodiments, the configuration information includes first configuration information and second configuration information, the first configuration information is used to characterize the configuration information corresponding to the power tube array during the signal undershoot period, and the first configuration information includes the number of power tube switches corresponding to each of the first ramping step number and the first ramping step number of the power tube array during the signal undershoot period. The second configuration information is used for representing the corresponding configuration information of the power tube array during the signal overshoot period, and the second configuration information comprises a second gradual change step number of the power tube array during the signal overshoot period and the number of power tube switches corresponding to each step of the second gradual change step number.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a power tube array arrangement according to an embodiment of the present disclosure. The power tube array arrangement comprises a first power tube block 301, a second power tube block 302 and a third power tube block 303. Among them, the first power tube block 301 is provided with 15 power tube groups with a weight of 1. The number of the power tubes in each group of power tube groups is 128. 4 groups of power tube groups with the weights of 1/2, 1/4, 1/8 and 1/16 are arranged in the second power tube partitioning block 302. The number of power tubes in the power tube group with the weight of 1/2 is 64, the number of power tubes in the power tube group with the weight of 1/4 is 32, the number of power tubes in the power tube group with the weight of 1/8 is 16, and the number of power tubes in the power tube group with the weight of 1/16 is 8. The third power tube block 303 is provided with 3 sets of power tube sets with weights of 1/32, 1/64 and 1/128 respectively. The number of power tubes in the power tube group with the weight of 1/32 is 4, the number of power tubes in the power tube group with the weight of 1/64 is 2, and the number of power tubes in the power tube group with the weight of 1/128 is 1. The superscript numbers of the power tube groups in fig. 3 are used to characterize the number of power tubes in the power tube group.
Further, the power tube array comprises a first power tube block, a second power tube block and a third power tube block. The control words comprise gradient step number control words and power tube switch number control words, and the power tube switch number control words comprise first type control words, second type control words and third type control words. The first type control word is used for controlling the number of power tube switches in the first power tube block, the second type control word is used for controlling the number of power tube switches in the second power tube block, and the third type control word is used for controlling the number of power tube switches in the third power tube block. Therefore, the power tube groups with different quantities are arrayed according to the preset number of power tube blocks, and the quantity of the power tubes of the power tube groups in different power tube blocks is different. The block control and the grouping control of the power tube array can be realized. And further, coarse adjustment and fine adjustment of the number of the power tube switches are realized, the output power of the power tube array can be controlled more flexibly, undershoot and overshoot of a transmitting signal are effectively reduced, and the signal quality in the communication process is improved.
Furthermore, the first power tube block is a thermometer code coding part, and 15 power tube groups with weight of 1 are arranged in the first power tube block. The number of power tubes in the power tube group with the weight of 1 is 128. The number of power tubes in each power tube group is 128. The first type control word is used for controlling the number of power tube switches in the first power tube block. The first type of control word is a binary number of 4 bits. The binary number of 4 bits corresponds to a thermometer code of 16 bits, and each 1 bit of the thermometer code corresponds to 1 group of power tubes in the first power tube block respectively. The configuration of 1 in the first type control word indicates on, and the configuration of 0 indicates off.
Further, the second power tube block is a binary coarse adjustment part, and 4 groups of power tube groups with weights of 1/2, 1/4, 1/8 and 1/16 are arranged in the second power tube block. The number of power tubes in the power tube group with the weight of 1/2 is 64, the number of power tubes in the power tube group with the weight of 1/4 is 32, the number of power tubes in the power tube group with the weight of 1/8 is 16, and the number of power tubes in the power tube group with the weight of 1/16 is 8. The second type control word is used for controlling the number of power tube switches in the second power tube block. The second type control word is a binary number with 4 bits, and each 1 bit in the second type control word respectively corresponds to 1 group of power tubes in the second power tube block. The configuration of the second type control word is 1 for on and 0 for off.
Further, a third power tube block is a binary fine adjustment part, and 3 power tube groups with weights of 1/32, 1/64 and 1/128 are arranged in the third power tube block. The number of power tubes in the power tube group with the weight of 1/32 is 4, the number of power tubes in the power tube group with the weight of 1/64 is 2, and the number of power tubes in the power tube group with the weight of 1/128 is 1. The third type control word is used for controlling the number of power tube switches in the third power tube block. The third type control word is a binary number with 3 bits, and each 1 bit in the third type control word corresponds to 1 group of power tubes in the third power tube block respectively. The third type control word is configured with 1 to turn on and 0 to turn off.
In some embodiments, in the case that the current total power tube switch number is 252 on and the target total power tube switch number is 4 on, the first configuration information is, for example: the first number of gradual change steps of the power tube array during the signal undershoot period is 4 steps, i.e. 4 clocks. The control word corresponding to the first fade step number is '0100'. The number of the power tube switches corresponding to the 1 st step in the 4 steps of the first gradual change step number is 212. The control word of the number of the power tube switches corresponding to the step 1 is "0001-0101-001", and the control word is composed of a first type control word "0001", a second type control word "0101", and a third type control word "001". Wherein, the thermometer code of 16 bits corresponding to the first type control word "0001" is "000000000000001". And if the number of the power tube switches corresponding to the step 2 is 128, the control word of the number of the power tube switches corresponding to the step 2 is '0001-0000-000', and the control word consists of a first type control word '0001', a second type control word '0000' and a third type control word '000'. And if the number of the power tube switches corresponding to the step 3 is 64, the control word of the number of the power tube switches corresponding to the step 3 is 0000-0001-000, and the control word consists of a first type control word "0000", a second type control word "0001" and a third type control word "000". And (4) the number of the power tube switches corresponding to the step 4 is 20. The control word of the number of power tube switches corresponding to the 4 th step is "0000-0100-001", and the control word is composed of a first type control word "0000", a second type control word "0100" and a third type control word "001". Thus, during the period of the power tube array under-rush of signal, the number of switches is gradually changed from 212 to 20 in 4 clocks. The number of the power tube switches in each step in the gradual change step number and the gradual change step number in the signal undershoot period and the signal overshoot period can be respectively configured according to the contrast difference through a preset automatic waveform control algorithm. Therefore, the grouping control and the block control of the power tube array are realized, the coarse adjustment and the fine adjustment of the switch number of the power tubes are realized, and the output power of the power tube array can be controlled more flexibly. Therefore, undershoot and overshoot of the radio frequency signal are reduced, and signal quality in the communication process is improved.
Furthermore, the control words comprise a gradual change step number control word and a power tube switch number control word. The electronic equipment controls the number of power tube switches in the power tube blocks according to the control words, and the method comprises the following steps: and sending the gradual change step number control word and the power tube switch number control word to a control chip, and triggering the control chip to control the number of the power tube switches according to the gradual change step number control word and the power tube switch number control word.
Referring to fig. 4, an apparatus 400 for controlling power transistors is provided in an electronic device, the electronic device is provided with a power transistor array, the power transistor array is formed by arranging power transistor blocks with a preset number, each power transistor block includes a plurality of groups of power transistor groups, the number of power transistor groups in different power transistor blocks is different, and the apparatus includes: a first acquisition module 401, a second acquisition module 402, a comparison module 403, a determination module 404, a third acquisition module 405, and a control module 406. The first acquisition module 401 is configured to acquire an alternative waveform diagram of a radio frequency signal of an electronic device within a preset time period. And sending the alternative oscillogram to a second acquisition module. The second obtaining module 402 is configured to receive the alternative oscillogram sent by the first obtaining module, and obtain feature information in the alternative oscillogram. And sending the characteristic information in the alternative oscillogram to a comparison module. The comparison module 403 is configured to receive the feature information in the alternative oscillogram sent by the second obtaining module, and compare the feature information in the alternative oscillogram with the feature information in the preset expected oscillogram to obtain a comparison difference value. And sending the comparison difference to the determination module. The determining module 404 is configured to receive the comparison difference sent by the comparing module, and determine, according to the comparison difference, configuration information corresponding to the power tube array during the signal undershoot period and the signal overshoot period, respectively. And sending the configuration information to a third acquisition module. The third obtaining module 405 is configured to receive the configuration information sent by the determining module, and obtain a control word corresponding to the configuration information. And sends the control word to the control module. The control module 406 is configured to receive the control word sent by the third obtaining module, and control the number of power tube switches in the power tube block according to the control word.
By adopting the device for controlling the power tube, provided by the embodiment of the disclosure, the alternative oscillogram of the radio frequency signal of the electronic equipment in the preset time period is obtained through the first obtaining module. And the second acquisition module acquires the characteristic information in the alternative oscillogram. The comparison module compares the characteristic information in the alternative oscillogram with the characteristic information in the preset expected oscillogram to obtain a comparison difference value. The determining module determines configuration information respectively corresponding to the power tube array in the signal undershoot period and the signal overshoot period according to the comparison difference. And the third acquisition module acquires the control word corresponding to the configuration information. And the control module controls the number of power tube switches in the power tube blocks according to the control words. The power tube groups with different quantities are arrayed according to the preset number of power tube blocks, and the power tube quantities of the power tube groups in different power tube blocks are different. When the control word corresponding to the configuration information is used for controlling the number of the power tube switches in each power tube block, the block control and the grouping control of the power tube array can be realized. Therefore, the output power of the power tube array can be controlled more flexibly, the undershoot and overshoot of radio frequency signals are effectively reduced, and the signal quality in the communication process is improved.
Further, the characteristic information in the alternative waveform map includes an alternative undershoot amplitude value and an alternative overshoot amplitude value, and the characteristic information in the desired waveform map includes a desired undershoot amplitude value and a desired overshoot amplitude value. The comparison module is configured to compare the feature information in the alternative oscillogram with the feature information in the preset expected oscillogram to obtain a comparison difference value by: a first difference between the alternative undershoot amplitude and the desired undershoot amplitude is obtained, and a second difference between the alternative overshoot amplitude and the desired overshoot amplitude is obtained. The first difference and the second difference are determined as comparison differences.
Further, the determining module is configured to determine the configuration information of the power tube array respectively corresponding to the signal undershoot period and the signal overshoot period according to the comparison difference value in the following manner: and performing table look-up operation in a preset configuration information table by using the first difference value to obtain the corresponding configuration information of the power tube array during the signal undershoot period, and performing table look-up operation in the preset configuration information table by using the second difference value to obtain the corresponding configuration information of the power tube array during the signal overshoot period. The configuration information table stores the corresponding relationship between the first difference and the configuration information corresponding to the power tube array during the signal undershoot period, and the corresponding relationship between the second difference and the configuration information corresponding to the power tube array during the signal overshoot period.
Further, the configuration information includes first configuration information, the first configuration information is used for representing configuration information corresponding to the power tube array during the signal under-rush period, and the first configuration information includes a first gradual change step number of the power tube array during the signal under-rush period and a power tube switch number corresponding to each step of the first gradual change step number. The third obtaining module is configured to obtain the control word corresponding to the configuration information by: and converting the number of power tube switches corresponding to each step in the first gradual change step number and the first gradual change step number by using a preset automatic waveform control algorithm to obtain control words of the power tube array in the signal under-rush period.
Further, the configuration information includes second configuration information, the second configuration information is used for representing configuration information corresponding to the power tube array during the signal overshoot period, and the second configuration information includes a second gradual change step number of the power tube array during the signal overshoot period and a power tube switch number corresponding to each step of the second gradual change step number. The third obtaining module is configured to obtain the control word corresponding to the configuration information by: and converting the number of power tube switches corresponding to each step in the second gradient step number and the second gradient step number by using a preset automatic waveform control algorithm to obtain a control word of the power tube array during the signal overshoot period.
Further, the power tube array comprises a first power tube block, a second power tube block and a third power tube block. The control words comprise gradient step number control words and power tube switch number control words, and the power tube switch number control words comprise first type control words, second type control words and third type control words. The first type control word is used for controlling the number of power tube switches in the first power tube block, the second type control word is used for controlling the number of power tube switches in the second power tube block, and the third type control word is used for controlling the number of power tube switches in the third power tube block.
As shown in fig. 5, an apparatus 500 for controlling a power transistor according to an embodiment of the present disclosure includes a processor (processor) 504 and a memory (memory) 501. Optionally, the apparatus may also include a Communication Interface 502 and a bus 503. The processor 504, the communication interface 502, and the memory 501 may communicate with each other through a bus 503. Communication interface 502 may be used for information transfer. The processor 504 may call logic instructions in the memory 501 to perform the method for controlling a power transistor of the above-described embodiment.
By adopting the device for controlling the power tubes, which is provided by the embodiment of the disclosure, the power tube groups with different numbers are arranged in an array manner according to the preset number of power tube blocks, and the power tube groups in different power tube blocks have different numbers of power tubes. When the number of power tube switches in each power tube block is controlled by using the control word corresponding to the configuration information, the block control and the grouping control of the power tube array can be realized. Therefore, the output power of the power tube array can be controlled more flexibly, undershoot and overshoot of a transmission signal are effectively reduced, and the signal quality in the communication process is improved.
In addition, the logic instructions in the memory 501 may be implemented in the form of software functional units and may be stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 501 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 504 executes functional applications and data processing by executing program instructions/modules stored in the memory 501, i.e., implements the method for controlling the power transistor in the above-described embodiments.
The memory 501 may include a storage program area and a storage data area, wherein the storage program area may store an application program required to operate at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 501 may include a high-speed random access memory and may also include a nonvolatile memory.
An embodiment of the present disclosure provides an electronic device, including: the electronic equipment body and the device for controlling the power tube are mounted on the electronic equipment body. The installation relationship stated herein is not limited to being placed inside the electronic device, but also includes installation connection with other components of the electronic device, including but not limited to physical connection, electrical connection, or signal transmission connection. It will be appreciated by a person skilled in the art that the means for controlling the power tube may be adapted to a feasible electronic device body, thereby enabling other feasible embodiments.
Optionally, the electronic device includes an electronic device with a near field communication function, such as a smartphone or a tablet computer.
By adopting the electronic equipment provided by the embodiment of the disclosure, the power tube groups with different numbers are arrayed according to the preset number of power tube blocks, and the number of the power tubes of the power tube groups in different power tube blocks is different. When the control word corresponding to the configuration information is used for controlling the number of the power tube switches in each power tube block, the block control and the grouping control of the power tube array can be realized. Therefore, the output power of the power tube array can be controlled more flexibly, undershoot and overshoot of a transmission signal are effectively reduced, and the signal quality in the communication process is improved.
The embodiment of the disclosure provides a storage medium, which stores program instructions, and when the program instructions are executed, the method for controlling the power tube is executed.
Embodiments of the present disclosure provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for controlling a power tube.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising one of 8230," does not exclude the presence of additional like elements in a process, method or device comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and simplicity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be only one type of logical functional division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A method for controlling power tubes is applied to electronic equipment, a power tube array is arranged in the electronic equipment, the power tube array is formed by arranging a preset number of power tubes in blocks, each power tube block comprises a plurality of groups of power tube groups, the number of the power tubes in the power tube groups in different power tube blocks is different, and the method comprises the following steps:
acquiring an alternative oscillogram of a radio frequency signal of the electronic equipment in a preset time period;
acquiring characteristic information in the alternative oscillogram; the characteristic information is used for representing the signal characteristics of the radio frequency signal; the signal characteristics comprise an overshoot amplitude value of the radio frequency signal and an undershoot amplitude value of the radio frequency signal;
comparing the characteristic information in the alternative oscillogram with the characteristic information in a preset expected oscillogram to obtain a comparison difference value;
determining configuration information respectively corresponding to the power tube array in a signal underrush period and a signal overshoot period according to the comparison difference;
acquiring a control word corresponding to the configuration information;
and controlling the number of power tube switches in the power tube blocks according to the control words.
2. The method according to claim 1, wherein the feature information in the alternative waveform map includes an alternative undershoot amplitude and an alternative overshoot amplitude, the feature information in the preset desired waveform map includes an expected undershoot amplitude and an expected overshoot amplitude, and comparing the feature information in the alternative waveform map with the feature information in the preset desired waveform map to obtain a comparison difference, including:
acquiring a first difference value between the alternative undershoot amplitude value and the expected undershoot amplitude value, and acquiring a second difference value between the alternative overshoot amplitude value and the expected overshoot amplitude value;
determining the first difference and the second difference as a comparison difference.
3. The method of claim 2, wherein determining the configuration information corresponding to the power tube array during the signal undershoot period and the signal overshoot period respectively according to the comparison difference comprises:
performing table look-up operation in a preset configuration information table by using the first difference value to obtain the corresponding configuration information of the power tube array during the signal under-rush period, and performing table look-up operation in the preset configuration information table by using the second difference value to obtain the corresponding configuration information of the power tube array during the signal overshoot period; the configuration information table stores the corresponding relationship between the first difference and the configuration information corresponding to the power tube array during the signal undershoot period, and the corresponding relationship between the second difference and the configuration information corresponding to the power tube array during the signal overshoot period.
4. The method according to claim 1, wherein the configuration information includes first configuration information, the first configuration information is used for characterizing configuration information corresponding to the power tube array during a signal undershoot period, and the first configuration information includes a first number of ramp steps of the power tube array during the signal undershoot period and a number of power tube switches corresponding to each of the first number of ramp steps; acquiring a control word corresponding to the configuration information, including:
and converting the number of power tube switches corresponding to each step in the first gradual change step number and the first gradual change step number by using a preset automatic waveform control algorithm to obtain control words of the power tube array in a signal under-rush period.
5. The method of claim 1, wherein the configuration information includes second configuration information, the second configuration information is used to characterize corresponding configuration information of the power tube array during the signal overshoot period, and the second configuration information includes a second number of power tube switches corresponding to each of a second number of ramping steps of the power tube array during the signal overshoot period and the second number of ramping steps; acquiring a control word corresponding to the configuration information, including:
and converting the number of power tube switches corresponding to each step in the second gradual change step number and the second gradual change step number by using a preset automatic waveform control algorithm to obtain control words of the power tube array during the signal overshoot period.
6. The method of claim 1, wherein the power tube array comprises a first power tube segment, a second power tube segment, and a third power tube segment; the control words comprise gradient step number control words and power tube switch number control words, and the power tube switch number control words comprise first type control words, second type control words and third type control words; the first type control word is used for controlling the number of power tube switches in a first power tube block, the second type control word is used for controlling the number of power tube switches in a second power tube block, and the third type control word is used for controlling the number of power tube switches in a third power tube block.
7. The utility model provides a device for controlling power tube which characterized in that is applied to electronic equipment, be provided with the power tube array in the electronic equipment, the power tube array is formed by arranging the power tube segmentation of predetermineeing the number, the power tube segmentation includes multiunit power nest of tubes, and the power tube quantity that the power nest of tubes in different power tube segmentations includes is different, the device includes:
the device comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is configured to acquire an alternative oscillogram of a radio frequency signal of the electronic device within a preset time period;
a second obtaining module configured to obtain feature information in the alternative oscillogram; the characteristic information is used for representing the signal characteristics of the radio frequency signal; the signal characteristics comprise an overshoot amplitude of the radio frequency signal and an undershoot amplitude of the radio frequency signal;
the comparison module is configured to compare the characteristic information in the alternative oscillogram with the characteristic information in a preset expected oscillogram to obtain a comparison difference value;
the determining module is configured to determine configuration information respectively corresponding to the power tube array during a signal undershoot period and a signal overshoot period according to the comparison difference;
the third acquisition module is configured to acquire the control word corresponding to the configuration information;
and the control module is configured to control the number of power tube switches in the power tube blocks according to the control words.
8. An apparatus for controlling a power transistor comprising a processor and a memory having stored thereon program instructions, wherein the processor is configured to perform the method for controlling a power transistor of any of claims 1 to 6 when executing the program instructions.
9. An electronic device, comprising:
an electronic device body;
the apparatus for controlling a power transistor according to claim 7 or 8, being mounted to the electronic device body.
10. A storage medium storing program instructions which, when executed, perform a method for controlling a power transistor according to any one of claims 1 to 6.
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