CN110098843B - Signal transmission method and device and electronic equipment - Google Patents
Signal transmission method and device and electronic equipment Download PDFInfo
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- CN110098843B CN110098843B CN201910344065.0A CN201910344065A CN110098843B CN 110098843 B CN110098843 B CN 110098843B CN 201910344065 A CN201910344065 A CN 201910344065A CN 110098843 B CN110098843 B CN 110098843B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B2001/1045—Adjacent-channel interference
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Abstract
The embodiment of the invention provides a method, a device and electronic equipment for transmitting signals, wherein the method comprises the following steps: acquiring the working frequency of a downlink radio frequency signal of a preset frequency band, wherein the preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel have a superposition range; under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of the main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel; determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter; and transmitting the downlink radio frequency signal through the target radio frequency channel. The method, the device and the electronic equipment for transmitting the signals, provided by the embodiment of the invention, can select the radio frequency channel with the optimal signal transmission performance to transmit the signals, so that the radio frequency performance of the product is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a method and a device for transmitting signals and electronic equipment.
Background
With the development of communication, smart phones are rapidly developed, and the experience effect of consumers on products is influenced by radio frequency performances such as 2G, 3G and 4G, multi-carrier aggregation and the like. Currently, the frequency ranges of some radio frequency signals in a predetermined frequency Band (english: Band, abbreviation: B), for example, B28, are: the method is characterized in that transmitting (abbreviation: TX) is 703 MHz-748 MHz, receiving (abbreviation: RX) is 758 MHz-803 MHz (Chinese: megahertz), which is a frequency division signal (abbreviation: FDD), so that transmitting and receiving are respectively filtered by using a duplexer, because the frequency of B28 is lower, the difference between a transmitting termination frequency point 748MHz and a receiving initial frequency point 758MHz is only 10M, if a duplexer is used in the whole B28 frequency band, because the difference between the transmitting and receiving is 10M, the inhibition degree from TX to RX is basically only about 20db (Chinese: decibel), the design requirement of more than 50db can not be met, and the problem that the transmitting signal interferes the receiving signal is easily caused.
Therefore, one design is to divide the preset frequency band into a first frequency band path and a second frequency band path, for example, B28 is divided into two rf paths, B28A and B28B, each of which corresponds to a duplexer, wherein, B28A: TX at 703-733 MHz, RX: 758-788 MHz; B28B: 718-748 MHz TX, RX: 773 to 803 MHz.
The first frequency band path and the second frequency band path are two radio frequency paths, and due to a difference in routing of a Printed Circuit Board (PCB), a path loss of the first frequency band path is smaller than that of the second frequency band path, or the path loss of the first frequency band path is larger than that of the second frequency band path, so that a downlink radio frequency signal of a preset frequency band works in a frequency range where the first frequency band path and the second frequency band path are overlapped, and a radio frequency performance does not reach a good state.
Disclosure of Invention
The embodiment of the invention provides a method, a device and electronic equipment for transmitting signals, and aims to solve the problem that the radio frequency performance cannot reach a good state under the condition that downlink radio frequency signals of a preset frequency band work in a frequency range where a first frequency band channel and a second frequency band channel are overlapped.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for transmitting a signal, including: acquiring the working frequency of a downlink radio frequency signal of a preset frequency band, wherein the preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel have a superposition range; under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of a main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel; determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter; and transmitting the downlink radio frequency signal through the target radio frequency channel.
In a second aspect, an embodiment of the present invention provides an electronic device, including: the first acquisition module is used for acquiring the working frequency of a downlink radio frequency signal in a preset frequency band, the preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel have a superposition range; a second obtaining module, configured to obtain a frequency band of a main carrier, a first performance parameter of a first frequency band path, and a second performance parameter of a second frequency band path when a working frequency of the downlink radio frequency signal is within the coincidence range; a determining module, configured to determine a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter, and the second performance parameter; and the transmission module is used for transmitting the downlink radio frequency signal through the target radio frequency channel.
In a third aspect, an embodiment of the present invention provides an electronic device, which includes a processor, a memory, and a computer program stored on the memory and executable on the processor, and when executed by the processor, the computer program implements the steps of the method according to the first aspect.
In a fourth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the method according to the first aspect.
In the embodiment of the invention, the working frequency of a downlink radio frequency signal of a preset frequency band is obtained, wherein the preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel have a superposition range; under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of a main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel; determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter; the downlink radio frequency signal is transmitted through the target radio frequency channel, and a channel with the optimal performance in the first frequency band channel and the second frequency band channel is selected for signal transmission under the condition that the working frequency of the downlink radio frequency signal is located in the overlapping range of the first frequency band channel and the second frequency band channel according to the difference of the performance of the first frequency band channel and the second frequency band channel, so that the radio frequency performance of a terminal product is optimal.
Drawings
Fig. 1 is a schematic flow chart of a method for transmitting signals according to an embodiment of the present invention;
FIG. 2 shows a schematic diagram of a circuit design within a terminal device;
fig. 3 is a schematic flow chart of a method for transmitting signals according to an embodiment of the present invention;
FIG. 4 shows another circuit design schematic within a terminal device;
fig. 5 is a schematic flow chart illustrating a method for transmitting signals according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram illustrating an apparatus for selecting an rf path according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a hardware structure of an electronic device for executing a method for transmitting a signal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart illustrating a method for transmitting a signal according to an embodiment of the present invention, which may be performed by an electronic device, such as a terminal device. In other words, the method may be performed by software or hardware installed in the terminal device. As shown, the method may include the following steps.
Step 101: and acquiring the working frequency of the downlink radio frequency signal in the preset frequency band.
The preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel are overlapped.
Fig. 2 shows a schematic circuit design diagram in the terminal device, which is illustrated by taking B28 frequency band as an example. The B28 frequency band may be divided into two radio frequency paths, B28A and B28B, each corresponding to a duplexer, wherein the B28A: TX at 703-733 MHz, RX: 758-788 MHz; B28B: 718-748 MHz TX, RX: 773 to 803 MHz. The first frequency range and the second frequency range of the two radio frequency channels are coincident, for example, TX 718-733 MHz.
Step 102: and acquiring the frequency band of the main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel under the condition that the working frequency of the downlink radio frequency signal is within the coincidence range.
And acquiring the frequency band of the main carrier, the performance parameters of a B28A frequency band channel and the performance parameters of a B28B frequency band channel, such as the in-band channel insertion loss (English) and the like, when the working frequency of the downlink radio frequency signal is within the superposition range, such as TX: 718-733 MHz.
Step 104: and determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter.
And determining a target radio frequency path from the B28A frequency path and the B28B frequency path according to the frequency band of the main carrier, the performance parameters of the B28A frequency path and the performance parameters of the B28B frequency path, such as in-band path insertion loss (English).
Step 106: and transmitting the downlink radio frequency signal through the target radio frequency channel.
And transmitting the downlink radio frequency signal through a selected target radio frequency path, such as a B28A frequency band path or a B28B frequency band path.
Therefore, in the method for transmitting a signal provided by the embodiment of the present invention, by obtaining the operating frequency of a downlink radio frequency signal in a preset frequency band, the preset frequency band includes a first frequency band path and a second frequency band path, and the operating frequencies of the first frequency band path and the second frequency band path have a coincidence range; under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of a main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel; determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter; the downlink radio frequency signal is transmitted through the target radio frequency channel, and a channel with the optimal performance in the first frequency band channel and the second frequency band channel is selected for signal transmission under the condition that the working frequency of the downlink radio frequency signal is located in the overlapping range of the first frequency band channel and the second frequency band channel according to the difference of the performance of the first frequency band channel and the second frequency band channel, so that the radio frequency performance of a terminal product is optimal.
Fig. 3 is another flow chart of a method for transmitting a signal according to an embodiment of the present invention, which may be executed by an electronic device, for example, a terminal device. In other words, the method may be performed by software or hardware installed in the terminal device. As shown, the method may include the following steps.
Step 301: and acquiring the working frequency of the downlink radio frequency signal in the preset frequency band.
The preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel are overlapped.
Step 302: and acquiring the frequency band of the main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel under the condition that the working frequency of the downlink radio frequency signal is within the coincidence range.
This step may include: acquiring a first performance parameter of the first frequency band channel, which is pre-stored, wherein the first performance parameter comprises in-band channel insertion loss of the first frequency band channel and suppression degree of the first frequency band channel to the third frequency band; and acquiring a second performance parameter of the second frequency band channel, which is pre-stored, wherein the second performance parameter comprises the in-band channel insertion loss of the second frequency band channel and the suppression degree of the second frequency band channel to the third frequency band.
Taking the B28 band as an example, the performance of the B28A band channel includes the in-band channel insertion loss of the B28A band channel and the suppression degree of the B28A band channel to the third band except the B28 band. The performance of the B28B band channel includes the in-band channel insertion loss of the B28B band channel and the suppression degree of the B28B band channel to the third band except the B28 band.
As an implementation manner, table 1 shows the performance of the B28A band path and the performance of the B28B band path stored in the terminal, where the third band is the B3 band as an example.
TABLE 1
As shown in table 1, assuming that the frequency portion where B3 overlaps with B28A and B28B is downlink carrier aggregation, when the signal goes away from B28B and B3 is the main carrier, the B28B reception has a B3 transmission suppression degree of 30db, and B3 transmission has an effect on the reception performance. The following correspondence can be obtained by actual measurement: assuming that the B3 transmit power is 10dbm, 1db is affected for reception; b3 has the transmitting power of 14dbm and affects the receiving by 2 db; b3 has transmitting power of 18dbm, which affects the receiving by 3 db; b3 has a transmitting power of 22dbm and affects the receiving by 5 db; when the B28B is used as a main carrier, the influence of the B28B transmission power on the receiving is negligible.
Therefore, in the method for transmitting a signal according to the embodiment of the present invention, a first performance parameter of the first frequency band channel, which is stored in advance, is obtained, where the first performance parameter includes an in-band channel insertion loss of the first frequency band channel and a suppression degree of the first frequency band channel to the third frequency band; and acquiring a prestored second performance parameter of the second frequency band channel, wherein the second performance parameter comprises the in-band channel insertion loss of the second frequency band channel and the suppression degree of the second frequency band channel to the third frequency band, so that a better radio frequency channel can be conveniently determined and signals can be transmitted through the better radio frequency channel.
Step 3041: and comparing the signal power of the third frequency band with a preset threshold value under the condition that the frequency band of the main carrier is the third frequency band except the preset frequency band.
Fig. 4 shows another circuit design diagram in the terminal device, as shown in the figure, the B28 frequency band may be divided into two radio frequency paths B28A and B28B, each of the two radio frequency paths corresponds to a duplexer, where, B28A: TX at 703-733 MHz, RX: 758-788 MHz; B28B: 718-748 MHz TX, RX: 773 to 803 MHz. The first frequency range and the second frequency range of the two radio frequency paths coincide. If the downlink signal of B28 is not in the overlapping frequency range, taking a 10M bandwidth signal as an example, a signal with a central frequency point smaller than 778MHz can only go through the B28A path, and a signal with a central frequency point larger than 783MHz can only go through the B28B path.
When downlink carrier aggregation is performed by B3 and B28, when a B28 downlink signal can travel through a B28A path or a B28B path, taking a 10M bandwidth signal as an example, a signal with a center frequency point of 778-783 MHz can travel through a B28A path or a B28B duplexer.
When carrier aggregation is performed, since the suppression degrees of the B28A and the B28B on the third frequency band are different, the signal transmission performance will be different by selecting different target radio frequency paths. The third frequency band is a frequency band other than the B28 frequency band, and the B3 frequency band is taken as an example for the description in this embodiment, but it should be understood by those skilled in the art that the third frequency band is not specifically limited in the embodiment of the present invention, and the embodiment of the present invention may be applied to the third frequency bands such as B3, B7, and the like.
When the B3 is used as a main carrier, the mobile phone detects that the signal power of the B3 is compared with a preset threshold value. In a possible implementation manner, before this step, the method may further include: acquiring the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the receiving, the in-band channel insertion loss of the first frequency band channel and the in-band channel insertion loss of the second frequency band channel; and determining the preset threshold according to the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the receiving, the in-band channel insertion loss of the first frequency band channel and the in-band channel insertion loss of the second frequency band channel.
For example, when the transmission power of B3 is 14dbm, and the reception performance of the B28 reception signal on the B28A path is 2db, but the performance of the B28A and B28B paths is just 2db different regardless of the transmission power, therefore, the threshold value of the transmission power of B3 can be set to be 14dbm and set in the parameters of the mobile phone. Therefore, the method for transmitting the signal provided by the embodiment of the invention can reasonably set the comparison threshold of the signal power so as to realize that the radio frequency path with the optimal radio frequency performance is selected to transmit the signal.
Step 3042: and under the condition that the signal power of the third frequency band is greater than the preset threshold, determining a radio frequency channel with a higher signal suppression degree of the third frequency band in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
For example, when the B3 power is greater than 14dbm, the B28 receive signal goes through a path out of the duplexer that suppresses the B3 transmit signal by a relatively large amount, i.e., the B28A path.
Step 3043: and under the condition that the signal power of the third frequency band is smaller than the preset threshold value, determining a radio frequency channel with smaller in-band channel insertion loss in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
For example, when the B3 power is less than 14dbm, the B28 received signal takes the path with a relatively small loss, i.e., the B28B path.
Step 306: and transmitting the downlink radio frequency signal through the target radio frequency channel.
And transmitting the downlink radio frequency signal through the selected target radio frequency channel.
Therefore, the method for transmitting the signal provided by the embodiment of the invention can transmit the signal through the radio frequency path with the optimal performance according to the difference between the first frequency band path and the second frequency band path under the condition that the frequency band of the main carrier is the third frequency band except the preset frequency band, so that the radio frequency performance of the terminal reaches a better state.
Fig. 5 is a schematic flow chart of another method for transmitting a signal according to an embodiment of the present invention, which may be performed by an electronic device, for example, a terminal device. In other words, the method may be performed by software or hardware installed in the terminal device. As shown, the method may include the following steps.
Step 501: and acquiring the working frequency of the downlink radio frequency signal in the preset frequency band.
The preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel are overlapped.
Step 502: and acquiring the frequency band of the main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel under the condition that the working frequency of the downlink radio frequency signal is within the coincidence range.
This step may include: acquiring a first performance parameter of the first frequency band channel, which is pre-stored, wherein the first performance parameter comprises in-band channel insertion loss of the first frequency band channel and suppression degree of the first frequency band channel to the third frequency band; and acquiring a second performance parameter of the second frequency band channel, which is pre-stored, wherein the second performance parameter comprises the in-band channel insertion loss of the second frequency band channel and the suppression degree of the second frequency band channel to the third frequency band.
Taking the B28 band as an example, the performance of the B28A band channel includes the in-band channel insertion loss of the B28A band channel and the suppression degree of the B28A band channel to the third band except the B28 band. The performance of the B28B band channel includes the in-band channel insertion loss of the B28B band channel and the suppression degree of the B28B band channel to the third band except the B28 band.
As an implementation manner, table 1 shows the performance of the B28A band path and the performance of the B28B band path stored in the terminal, where the third band is the B3 band as an example.
TABLE 1
As shown in table 1, assuming that the frequency portion where B3 overlaps with B28A and B28B is downlink carrier aggregation, when the signal goes away from B28B and B3 is the main carrier, the B28B reception has a B3 transmission suppression degree of 30db, and B3 transmission has an effect on the reception performance. The following correspondence can be obtained by actual measurement: assuming that the B3 transmit power is 10dbm, 1db is affected for reception; b3 has the transmitting power of 14dbm and affects the receiving by 2 db; b3 has transmitting power of 18dbm, which affects the receiving by 3 db; b3 has a transmitting power of 22dbm and affects the receiving by 5 db; when the B28B is used as a main carrier, the influence of the B28B transmission power on the receiving is negligible.
Therefore, in the method for transmitting a signal according to the embodiment of the present invention, a first performance parameter of the first frequency band channel, which is stored in advance, is obtained, where the first performance parameter includes an in-band channel insertion loss of the first frequency band channel and a suppression degree of the first frequency band channel to the third frequency band; and acquiring a prestored second performance parameter of the second frequency band channel, wherein the second performance parameter comprises the in-band channel insertion loss of the second frequency band channel and the suppression degree of the second frequency band channel to the third frequency band, so that a better radio frequency channel can be conveniently determined and signals can be transmitted through the better radio frequency channel.
Step 5041: and comparing the signal power of the third frequency band with a preset threshold value under the condition that the frequency band of the main carrier is the third frequency band except the preset frequency band.
Fig. 4 shows another circuit design diagram in the terminal device, as shown in the figure, the B28 frequency band may be divided into two radio frequency paths B28A and B28B, each of the two radio frequency paths corresponds to a duplexer, where, B28A: TX at 703-733 MHz, RX: 758-788 MHz; B28B: 718-748 MHz TX, RX: 773 to 803 MHz. The first frequency range and the second frequency range of the two radio frequency paths coincide. If the downlink signal of B28 is not in the overlapping frequency range, taking a 10M bandwidth signal as an example, a signal with a central frequency point smaller than 778MHz can only go through the B28A path, and a signal with a central frequency point larger than 783MHz can only go through the B28B path.
When downlink carrier aggregation is performed by B3 and B28, when a B28 downlink signal can travel through a B28A path or a B28B path, taking a 10M bandwidth signal as an example, a signal with a center frequency point of 778-783 MHz can travel through a B28A path or a B28B duplexer.
When carrier aggregation is performed, since the suppression degrees of the B28A and the B28B on the third frequency band are different, the signal transmission performance will be different by selecting different target radio frequency paths. The third frequency band is a frequency band other than the B28 frequency band, and the B3 frequency band is taken as an example for the description in this embodiment, but it should be understood by those skilled in the art that the third frequency band is not specifically limited in the embodiment of the present invention, and the embodiment of the present invention may be applied to the third frequency bands such as B3, B7, and the like.
When the B3 is used as a main carrier, the mobile phone detects that the signal power of the B3 is compared with a preset threshold value. In a possible implementation manner, before this step, the method may further include: acquiring the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the receiving, the in-band channel insertion loss of the first frequency band channel and the in-band channel insertion loss of the second frequency band channel; and determining the preset threshold according to the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the receiving, the in-band channel insertion loss of the first frequency band channel and the in-band channel insertion loss of the second frequency band channel.
For example, when the transmission power of B3 is 14dbm, and the reception performance of the B28 reception signal on the B28A path is 2db, but the performance of the B28A and B28B paths is just 2db different regardless of the transmission power, therefore, the threshold value of the transmission power of B3 can be set to be 14dbm and set in the parameters of the mobile phone. Therefore, the method for transmitting the signal provided by the embodiment of the invention can reasonably set the comparison threshold of the signal power so as to realize that the radio frequency path with the optimal radio frequency performance is selected to transmit the signal.
Step 5042: and under the condition that the signal power of the third frequency band is greater than the preset threshold, determining a radio frequency channel with a higher signal suppression degree of the third frequency band in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
For example, when the B3 power is greater than 14dbm, the B28 receive signal goes through a path out of the duplexer that suppresses the B3 transmit signal by a relatively large amount, i.e., the B28A path.
Step 5043: and under the condition that the signal power of the third frequency band is smaller than the preset threshold value, determining a radio frequency channel with smaller in-band channel insertion loss in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
For example, when the B3 power is less than 14dbm, the B28 received signal takes the path with a relatively small loss, i.e., the B28B path.
Therefore, the method for transmitting the signal provided by the embodiment of the invention can transmit the signal through the radio frequency path with the optimal performance under the condition that the working frequency of the downlink radio frequency signal is within the overlapping range according to the difference between the first frequency band path and the second frequency band path, so that the radio frequency performance of the terminal reaches a better state.
Step 5044: and under the condition that the frequency band of the main carrier is the preset frequency band, determining a radio frequency channel with smaller in-band channel insertion loss in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
For example, when the frequency band of the main carrier is a B28 frequency band, a radio frequency path with a smaller in-band path insertion loss is selected from the B28A frequency band and the B28B frequency band as the target radio frequency path, that is, a B28B path. Therefore, the method for transmitting signals provided by the embodiment of the present invention can transmit signals through the radio frequency path with the optimal performance according to the difference between the first frequency band path and the second frequency band path when the frequency band of the main carrier is the preset frequency band, so that the radio frequency performance of the terminal reaches a better state.
Step 506: and transmitting the downlink radio frequency signal through the target radio frequency channel.
And transmitting the downlink radio frequency signal through the selected target radio frequency channel.
Therefore, in the method for transmitting a signal provided by the embodiment of the present invention, by obtaining the operating frequency of a downlink radio frequency signal in a preset frequency band, the preset frequency band includes a first frequency band path and a second frequency band path, and the operating frequencies of the first frequency band path and the second frequency band path have a coincidence range; under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of a main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel; determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter; the downlink radio frequency signal is transmitted through the target radio frequency channel, and a channel with the optimal performance in the first frequency band channel and the second frequency band channel is selected for signal transmission under the condition that the working frequency of the downlink radio frequency signal is located in the overlapping range of the first frequency band channel and the second frequency band channel according to the difference of the performance of the first frequency band channel and the second frequency band channel, so that the radio frequency performance of a terminal product is optimal.
Therefore, according to the method for transmitting signals provided by the embodiment of the present invention, when the frequency band of the main carrier is the preset frequency band, the radio frequency path with the smaller insertion loss of the in-band path in the first frequency band path and the second frequency band path is determined as the target radio frequency path, and when the frequency band of the main carrier is the preset frequency band, the signals can be transmitted through the radio frequency path with the optimal performance according to the difference between the first frequency band path and the second frequency band path, so that the radio frequency performance of the terminal reaches a better state.
Therefore, in the method for transmitting a signal according to the embodiment of the present invention, when the signal power of the third frequency band is greater than the preset threshold, a radio frequency path with a higher signal suppression degree for the third frequency band in the first frequency band path and the second frequency band path is determined as a target radio frequency path, and when the signal power of the third frequency band is less than the preset threshold, a radio frequency path with a lower in-band path insertion loss in the first frequency band path and the second frequency band path is determined as a target radio frequency path, so that when the frequency band of the main carrier is a third frequency band other than the preset frequency band, a signal can be transmitted through a radio frequency path with an optimal performance according to a difference between the first frequency band path and the second frequency band path, so that the radio frequency performance of the terminal reaches a better state.
Therefore, in the method for transmitting a signal according to the embodiment of the present invention, by obtaining the signal power of the third frequency band, the influence of the signal of the third frequency band on the reception, the in-band channel insertion loss of the first frequency band channel, and the in-band channel insertion loss of the second frequency band channel; and determining the preset threshold according to the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the receiving, the in-band channel insertion loss of the first frequency band channel and the in-band channel insertion loss of the second frequency band channel, and reasonably setting a comparison threshold of the signal power so as to realize that a radio frequency channel with the optimal radio frequency performance is selected to transmit the signal.
Therefore, in the method for transmitting a signal according to the embodiment of the present invention, a first performance parameter of the first frequency band channel, which is stored in advance, is obtained, where the first performance parameter includes an in-band channel insertion loss of the first frequency band channel and a suppression degree of the first frequency band channel to the third frequency band; and acquiring a prestored second performance parameter of the second frequency band channel, wherein the second performance parameter comprises the in-band channel insertion loss of the second frequency band channel and the suppression degree of the second frequency band channel to the third frequency band, so that a better radio frequency channel can be conveniently determined and signals can be transmitted through the better radio frequency channel.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, where the electronic device 600 includes: a first acquisition module 610, a second acquisition module 620, a determination module 630, and a transmission module 640.
The first obtaining module 610 is configured to obtain a working frequency of a downlink radio frequency signal in a preset frequency band, where the preset frequency band includes a first frequency band path and a second frequency band path, and the working frequency of the first frequency band path and the working frequency of the second frequency band path have a coincidence range.
The second obtaining module 620 is configured to obtain a frequency band of the main carrier, a first performance parameter of the first frequency band channel, and a second performance parameter of the second frequency band channel when the operating frequency of the downlink radio frequency signal is within the overlapping range.
The determining module 630 is configured to determine a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter, and the second performance parameter.
The transmission module 640 is configured to transmit the downlink radio frequency signal through the target radio frequency path.
In a possible implementation manner, the determining module 630 is configured to determine, as the target radio frequency path, the radio frequency path with the smaller in-band path insertion loss in the first frequency band path and the second frequency band path when the frequency band of the main carrier is the preset frequency band.
In a possible implementation manner, the determining module 630 is configured to, when the frequency band of the main carrier is a third frequency band other than the preset frequency band, compare the signal power of the third frequency band with a preset threshold; and under the condition that the signal power of the third frequency band is greater than the preset threshold, determining a radio frequency channel with a higher signal suppression degree of the third frequency band in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
In a possible implementation manner, the determining module 630 is configured to, when the frequency band of the main carrier is a third frequency band other than the preset frequency band, compare the signal power of the third frequency band with a preset threshold; and under the condition that the signal power of the third frequency band is smaller than the preset threshold value, determining a radio frequency channel with smaller in-band channel insertion loss in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
In a possible implementation manner, the first obtaining module 610 is further configured to obtain a signal power of the third frequency band, an influence degree of a signal of the third frequency band on receiving, an in-band channel insertion loss of the first frequency band channel, and an in-band channel insertion loss of the second frequency band channel; the determining module 630 is further configured to determine the preset threshold according to the signal power of the third frequency band, the influence of the signal of the third frequency band on the reception, the in-band path insertion loss of the first frequency band path, and the in-band path insertion loss of the second frequency band path.
In a possible implementation manner, the second obtaining module 620 is configured to obtain a first performance parameter of the first frequency band channel, where the first performance parameter is pre-stored, and the first performance parameter includes an in-band channel insertion loss of the first frequency band channel and a suppression degree of the first frequency band channel to the third frequency band; and acquiring a second performance parameter of the second frequency band channel, which is pre-stored, wherein the second performance parameter comprises the in-band channel insertion loss of the second frequency band channel and the suppression degree of the second frequency band channel to the third frequency band.
The apparatus 600 provided in the embodiment of the present invention may implement the methods described in the foregoing method embodiments, and implement the functions and beneficial effects of the methods described in the foregoing method embodiments, which are not described herein again.
Fig. 7 is a schematic diagram illustrating a hardware structure of an electronic device for executing a method for transmitting a signal according to an embodiment of the present invention. As shown, the mobile terminal 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, a power supply 711, and the like. Those skilled in the art will appreciate that the mobile terminal architecture shown in the figures is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some of the components may be combined, or a different arrangement of components. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 710 is configured to execute obtaining of a working frequency of a downlink radio frequency signal in a preset frequency band, where the preset frequency band includes a first frequency band path and a second frequency band path, and the working frequencies of the first frequency band path and the second frequency band path have a coincidence range; under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of a main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel; determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter; and transmitting the downlink radio frequency signal through the target radio frequency channel.
The electronic device for executing the method for transmitting a signal according to the embodiment of the present invention may execute the methods described in the foregoing method embodiments, and implement the functions and beneficial effects of the methods described in the foregoing method embodiments, which are not described herein again.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 701 may be used for receiving and sending signals during a message transmission and reception process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 710; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 701 may also communicate with a network and other devices through a wireless communication system.
The mobile terminal provides the user with wireless broadband internet access via the network module 702, such as helping the user send and receive e-mails, browse web pages, and access streaming media.
The audio output unit 703 may convert audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as sound. Also, the audio output unit 703 may also provide audio output related to a specific function performed by the mobile terminal 700 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
The input unit 704 is used to receive audio or video signals. The input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics processor 7041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 706. The image frames processed by the graphic processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702. The microphone 7042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 701 in case of a phone call mode.
The mobile terminal 700 also includes at least one sensor 705, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 7061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 7061 and/or a backlight when the mobile terminal 700 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensor 705 may further include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., wherein the infrared sensor can measure a distance between an object and the mobile terminal by emitting and receiving infrared light, which is not described herein again. The pressure sensors may include 2 pressure sensors respectively disposed on the front screen and the back screen of the terminal to respectively detect touch operations from the front screen and the back screen of the terminal.
The display unit 706 is used to display information input by the user or information provided to the user. The Display unit 706 may include a Display panel 7061, and the Display panel 7061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 707 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 7071 (e.g., operations by a user on or near the touch panel 7071 using a finger, a stylus, or any other suitable object or attachment). The touch panel 7071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 710, receives a command from the processor 710, and executes the command. In addition, the touch panel 7071 can be implemented by various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 707 may include other input devices 7072 in addition to the touch panel 7071. In particular, the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 7071 may be overlaid on the display panel 7061, and when the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch operation is transmitted to the processor 710 to determine the type of the touch event, and then the processor 710 provides a corresponding visual output on the display panel 7061 according to the type of the touch event. Although the touch panel 7071 and the display panel 7061 are shown in fig. 7 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated to implement the input and output functions of the mobile terminal, which is not limited herein.
The interface unit 708 is an interface through which an external device is connected to the mobile terminal 700. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 708 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 700 or may be used to transmit data between the mobile terminal 700 and external devices.
The memory 709 may be used to store software programs as well as various data. The memory 709 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 709 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 710 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 709 and calling data stored in the memory 709, thereby integrally monitoring the mobile terminal. Processor 710 may include one or more processing units; preferably, the processor 710 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 710.
The mobile terminal 700 may also include a power supply 711 (e.g., a battery) for powering the various components, and the power supply 711 may be logically coupled to the processor 710 via a power management system that may enable managing charging, discharging, and power consumption by the power management system.
In addition, the mobile terminal 700 includes some functional modules that are not shown, and thus will not be described in detail herein.
Optionally, an embodiment of the present invention further provides a mobile terminal, including a processor 710, a memory 709, and a computer program stored in the memory 709 and capable of running on the processor 710, where the computer program is executed by the processor 710 to implement the processes of the foregoing method embodiments, and can achieve the same technical effects, and details are not repeated here to avoid repetition.
An embodiment of the present invention also provides a computer-readable storage medium storing one or more programs that, when executed by a terminal including a plurality of application programs, cause the terminal to perform the following operations: acquiring the working frequency of a downlink radio frequency signal of a preset frequency band, wherein the preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel have a superposition range; under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of a main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel; determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter; and transmitting the downlink radio frequency signal through the target radio frequency channel.
The computer-readable storage medium includes a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
When being executed by a processor, the computer program realizes the processes of the method, can achieve the same technical effect, and is not repeated herein to avoid repetition.
Further, an embodiment of the present invention also provides a computer program product, the computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, which when executed by a computer, implement the following process: acquiring the working frequency of a downlink radio frequency signal of a preset frequency band, wherein the preset frequency band comprises a first frequency band channel and a second frequency band channel, and the working frequencies of the first frequency band channel and the second frequency band channel have a superposition range; under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of a main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel; determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter; and transmitting the downlink radio frequency signal through the target radio frequency channel.
When being executed by a processor, the computer program realizes the processes of the method, can achieve the same technical effect, and is not repeated herein to avoid repetition.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A method of transmitting a signal, comprising:
acquiring the working frequency of a downlink radio frequency signal of a preset frequency band, wherein the preset frequency band comprises the working frequency of a first frequency band channel and the working frequency of a second frequency band channel, and the working frequency of the first frequency band channel and the working frequency of the second frequency band channel have a superposition range;
under the condition that the working frequency of the downlink radio frequency signal is within the superposition range, acquiring the frequency band of a main carrier, a first performance parameter of a first frequency band channel and a second performance parameter of a second frequency band channel;
determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter and the second performance parameter;
transmitting the downlink radio frequency signal through the target radio frequency channel;
the determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the main carrier, the first performance parameter, and the second performance parameter includes:
comparing the signal power of a third frequency band except the preset frequency band with a preset threshold value under the condition that the frequency band of the main carrier is the third frequency band;
determining a radio frequency path with a larger signal suppression degree to the third frequency band in the first frequency band path and the second frequency band path as a target radio frequency path under the condition that the signal power of the third frequency band is greater than the preset threshold;
and under the condition that the signal power of the third frequency band is smaller than the preset threshold value, determining a radio frequency channel with smaller in-band channel insertion loss in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
2. The method of claim 1, wherein the determining a target radio frequency path from the first frequency band path and the second frequency band path according to the frequency band of the primary carrier, the first performance parameter, and the second performance parameter comprises:
and under the condition that the frequency band of the main carrier is the preset frequency band, determining a radio frequency channel with smaller in-band channel insertion loss in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
3. The method of claim 1, wherein before comparing the signal power of the third frequency band with a preset threshold, the method further comprises:
acquiring the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the receiving, the in-band channel insertion loss of the first frequency band channel and the in-band channel insertion loss of the second frequency band channel;
and determining the preset threshold according to the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the receiving, the in-band channel insertion loss of the first frequency band channel and the in-band channel insertion loss of the second frequency band channel.
4. The method of claim 1, wherein the obtaining the frequency band of the primary carrier, the first performance parameter of the first frequency band path, and the second performance parameter of the second frequency band path comprises:
acquiring a first performance parameter of the first frequency band channel, which is pre-stored, wherein the first performance parameter comprises in-band channel insertion loss of the first frequency band channel and suppression degree of the first frequency band channel to the third frequency band;
and acquiring a second performance parameter of the second frequency band channel, which is pre-stored, wherein the second performance parameter comprises the in-band channel insertion loss of the second frequency band channel and the suppression degree of the second frequency band channel to the third frequency band.
5. An electronic device, comprising:
the first acquisition module is used for acquiring the working frequency of a downlink radio frequency signal in a preset frequency band, wherein the preset frequency band comprises the working frequency of a first frequency band channel and the working frequency of a second frequency band channel, and the working frequency of the first frequency band channel and the working frequency of the second frequency band channel have a superposition range;
a second obtaining module, configured to obtain a frequency band of a main carrier, a first performance parameter of a first frequency band path, and a second performance parameter of a second frequency band path when a working frequency of the downlink radio frequency signal is within the coincidence range;
a determining module, configured to compare, when a frequency band of the main carrier is a third frequency band other than the preset frequency band, a signal power of the third frequency band with a preset threshold;
determining a radio frequency path with a larger signal suppression degree to the third frequency band in the first frequency band path and the second frequency band path as a target radio frequency path under the condition that the signal power of the third frequency band is greater than the preset threshold;
determining a radio frequency channel with smaller in-band channel insertion loss in the first frequency band channel and the second frequency band channel as a target radio frequency channel under the condition that the signal power of the third frequency band is smaller than the preset threshold;
and the transmission module is used for transmitting the downlink radio frequency signal through the target radio frequency channel.
6. The electronic device of claim 5, wherein the determination module is configured to:
and under the condition that the frequency band of the main carrier is the preset frequency band, determining a radio frequency channel with smaller in-band channel insertion loss in the first frequency band channel and the second frequency band channel as a target radio frequency channel.
7. The electronic device of claim 5, wherein the first obtaining module is further configured to: acquiring the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the receiving, the in-band channel insertion loss of the first frequency band channel and the in-band channel insertion loss of the second frequency band channel;
the determining module is further configured to determine the preset threshold according to the signal power of the third frequency band, the influence degree of the signal of the third frequency band on the reception, the in-band path insertion loss of the first frequency band path, and the in-band path insertion loss of the second frequency band path.
8. The electronic device of claim 5, wherein the second obtaining module is configured to:
acquiring a first performance parameter of the first frequency band channel, which is pre-stored, wherein the first performance parameter comprises in-band channel insertion loss of the first frequency band channel and suppression degree of the first frequency band channel to the third frequency band;
and acquiring a second performance parameter of the second frequency band channel, which is pre-stored, wherein the second performance parameter comprises the in-band channel insertion loss of the second frequency band channel and the suppression degree of the second frequency band channel to the third frequency band.
9. An electronic device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of a method of transmitting signals as claimed in any one of claims 1 to 4.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of a method of transmitting signals according to any one of claims 1 to 4.
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