CN116782335B - Signal processing method and device of mobile terminal - Google Patents
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Abstract
The invention relates to the technical field of signal processing, and discloses a signal processing method and equipment of a mobile terminal, wherein a first signal transmission request sent by the mobile terminal is obtained, a transmission route of a signal to be transmitted is determined, data information of the transmission route is acquired, a transmission strategy of the signal to be transmitted is set, the signal to be transmitted is sent to a repeater based on the transmission strategy, when the signal to be transmitted is received by the repeater, an attenuation influence factor of the signal to be transmitted is obtained, a target attenuation amount of the signal to be transmitted is determined, the signal attenuation processing is carried out on the signal to be transmitted according to the target attenuation amount, and the signal to be transmitted after the signal attenuation processing is used as a target output signal to be sent to the mobile terminal.
Description
Technical Field
The present invention relates to the field of signal processing technologies, and in particular, to a signal processing method and apparatus for a mobile terminal.
Background
Along with development of technology, mobile terminals such as mobile phones and the like are increasingly widely applied, requirements of users on the mobile terminals are also increasingly high, and particularly, aiming at signal capability of the mobile terminals, the mobile terminals are configured with discontinuous receiving mechanisms through mobile terminals in a network connection state, an idle state and a non-active state, a base station side designs a special mobile terminal power saving signal, and informs the mobile terminals of detecting channels in corresponding periods or informs the mobile terminals of not needing to detect channels in corresponding periods by sending the special mobile terminal power saving signal to the mobile terminals.
The current signal processing mode includes a wake-up signal indication, when the mobile terminal needs to receive a signal through a corresponding receiving position in a current period, the mobile terminal can determine a detection channel in a next period of the mobile terminal through the special mobile terminal power saving signal, and send and receive the signal through the detection channel.
Therefore, how to provide a method and device for accurately processing signals of a mobile terminal is a technical problem to be solved at present.
Disclosure of Invention
The embodiment of the invention provides a signal processing method and equipment for a mobile terminal, which are used for solving the technical problems that the signal processing precision of the mobile terminal cannot be improved and the normal sending and receiving of signals cannot be ensured in the prior art.
In order to achieve the above object, the present invention provides a signal processing method of a mobile terminal, the method comprising:
acquiring a first signal transmission request sent by a mobile terminal, and determining a transmission route of a signal to be transmitted according to the first signal transmission request;
collecting data information of the transmission route, setting a transmission strategy of the signal to be transmitted according to the data information, and sending the signal to be transmitted to a repeater based on the transmission strategy, wherein the data information comprises a route length A of the transmission route and a route frequency band E of the transmission route;
when the repeater receives the signal to be transmitted, acquiring an attenuation influence factor of the signal to be transmitted, and determining a target attenuation amount of the signal to be transmitted based on the attenuation influence factor;
And carrying out signal attenuation processing on the signal to be transmitted according to the target attenuation amount, and sending the signal to be transmitted after the signal attenuation processing to the mobile terminal as a target output signal.
In one embodiment, when setting the transmission policy of the signal to be transmitted according to the data information, the method includes:
setting signal power amplification parameters of the signals to be transmitted according to the routing length A of the transmission route;
correcting the signal power amplification parameters of the signals to be transmitted according to the routing frequency band E of the transmission route, and taking the corrected signal power amplification parameters as target signal power amplification parameters of the signals to be transmitted;
and sending the signal to be transmitted to the repeater based on the target signal power amplification parameter.
In one embodiment, when setting the signal power amplification parameter of the signal to be transmitted according to the routing length a of the transmission route, the method includes:
presetting a routing length matrix B of a transmission route, and setting B (B1, B2, B3 and B4), wherein B1 is a first preset routing length, B2 is a second preset routing length, B3 is a third preset routing length, B4 is a fourth preset routing length, and B1 is more than B2 and less than B3 and less than B4;
Presetting a signal power amplification parameter matrix C of a signal to be transmitted, and setting C (C1, C2, C3, C4 and C5), wherein C1 is a first preset signal power amplification parameter, C2 is a second preset signal power amplification parameter, C3 is a third preset signal power amplification parameter, C4 is a fourth preset signal power amplification parameter, C5 is a fifth preset signal power amplification parameter, and C1 is more than C2 and less than C3 and less than C4 and less than C5;
setting signal power amplification parameters of the signal to be transmitted according to the relation between the routing length A of the transmission route and each preset routing length:
when A is smaller than B1, selecting the first preset signal power amplification parameter C1 as a signal power amplification parameter of a signal to be transmitted;
when B1 is less than or equal to A and less than B2, selecting the second preset signal power amplification parameter C2 as a signal power amplification parameter of a signal to be transmitted;
when B2 is less than or equal to A and less than B3, selecting the third preset signal power amplification parameter C3 as a signal power amplification parameter of a signal to be transmitted;
when B3 is less than or equal to A and less than B4, selecting the fourth preset signal power amplification parameter C4 as a signal power amplification parameter of a signal to be transmitted;
and when B4 is less than or equal to A, selecting the fifth preset signal power amplification parameter C5 as a signal power amplification parameter of a signal to be transmitted.
In one embodiment, when the signal power amplification parameter of the signal to be transmitted is corrected according to the routing frequency band E of the transmission route, the method includes:
presetting a routing frequency band matrix G of a transmission route, and setting G (G1, G2, G3 and G4), wherein G1 is a first preset routing frequency band, G2 is a second preset routing frequency band, G3 is a third preset routing frequency band, G4 is a fourth preset routing frequency band, and G1 is more than G2 and less than G3 and less than G4;
presetting a signal power amplification parameter correction coefficient matrix h of a signal to be transmitted, and setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a first preset signal power amplification parameter correction coefficient, h2 is a second preset signal power amplification parameter correction coefficient, h3 is a third preset signal power amplification parameter correction coefficient, h4 is a fourth preset signal power amplification parameter correction coefficient, h5 is a fifth preset signal power amplification parameter correction coefficient, and h1 is more than 0.8 and less than h2 and less than h3 and less than h4 and less than h5 and less than 1.2;
when the signal power amplification parameter of the signal to be transmitted is set as the i-th preset signal power amplification parameter Ci, i=1, 2,3,4,5, and the signal power amplification parameter of the signal to be transmitted is corrected according to the relation between the routing frequency band E of the transmission route and each preset routing frequency band:
When E is smaller than G1, the first preset signal power amplification parameter correction coefficient h1 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h1;
when G1 is less than or equal to E and less than G2, selecting the second preset signal power amplification parameter correction coefficient h2 to correct the ith preset signal power amplification parameter Ci, wherein the signal power amplification parameter of the corrected signal to be transmitted is Ci x h2;
when G2 is less than or equal to E and less than G3, selecting the third preset signal power amplification parameter correction coefficient h3 to correct the ith preset signal power amplification parameter Ci, wherein the signal power amplification parameter of the corrected signal to be transmitted is Ci x h3;
when G3 is less than or equal to E and less than G4, the fourth preset signal power amplification parameter correction coefficient h4 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h4;
when G4 is less than or equal to E, the fifth preset signal power amplification parameter correction coefficient h5 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h5.
In one embodiment, when acquiring the attenuation influence factor of the signal to be transmitted, determining the target attenuation amount of the signal to be transmitted based on the attenuation influence factor includes:
acquiring the signal intensity F of the signal to be transmitted, and setting the initial target attenuation of the signal to be transmitted according to the signal intensity F of the signal to be transmitted;
acquiring the frequency response K and the linearity M of a signal attenuator, correcting the initial target attenuation of the signal to be transmitted according to the frequency response K of the signal attenuator, secondarily correcting the corrected initial target attenuation according to the linearity M of the signal attenuator, and obtaining the target attenuation of the signal to be transmitted.
In one embodiment, when setting the initial target attenuation amount of the signal to be transmitted according to the signal strength F of the signal to be transmitted, the method includes:
presetting a signal intensity matrix N of a signal to be transmitted, and setting N (N1, N2, N3 and N4), wherein N1 is a first preset signal intensity, N2 is a second preset signal intensity, N3 is a third preset signal intensity, N4 is a fourth preset signal intensity, and N1 is more than N2 and less than N3 and less than N4;
presetting an initial target attenuation matrix D of a signal to be transmitted, and setting D (D1, D2, D3, D4 and D5), wherein D1 is a first preset initial target attenuation, D2 is a second preset initial target attenuation, D3 is a third preset initial target attenuation, D4 is a fourth preset initial target attenuation, D5 is a fifth preset initial target attenuation, and D1 is more than D2 and less than D3 and less than D4 and less than D5;
Setting an initial target attenuation amount of the signal to be transmitted according to the relation between the signal strength F of the signal to be transmitted and each preset signal strength:
when F is smaller than N1, selecting the first preset initial target attenuation D1 as the initial target attenuation of the signal to be transmitted;
when N1 is less than or equal to F and less than N2, selecting the second preset initial target attenuation D2 as the initial target attenuation of the signal to be transmitted;
when N2 is less than or equal to F and less than N3, selecting the third preset initial target attenuation D3 as the initial target attenuation of the signal to be transmitted;
when N3 is less than or equal to F and less than N4, selecting the fourth preset initial target attenuation D4 as the initial target attenuation of the signal to be transmitted;
and when N4 is less than or equal to F, selecting the fifth preset initial target attenuation D5 as the initial target attenuation of the signal to be transmitted.
In one embodiment, when correcting the initial target attenuation of the signal to be transmitted according to the frequency response K of the signal attenuator, the method includes:
setting a frequency response matrix G of a preset signal attenuator, and setting G (G1, G2, G3 and G4), wherein G1 is a first preset frequency response, G2 is a second preset frequency response, G3 is a third preset frequency response, G4 is a fourth preset frequency response, and G1 is more than G2 and less than G3 and less than G4;
Presetting an initial target attenuation correction coefficient matrix y of a signal to be transmitted, and setting y (y 1, y2, y3, y4 and y 5), wherein y1 is a first preset initial target attenuation correction coefficient, y2 is a second preset initial target attenuation correction coefficient, y3 is a third preset initial target attenuation correction coefficient, y4 is a fourth preset initial target attenuation correction coefficient, y5 is a fifth preset initial target attenuation correction coefficient, and y1 is more than 0.8 and less than y2, y3 and less than y4 and less than y5 and less than 1.2;
when the initial target attenuation of the signal to be transmitted is set as an i-th preset initial target attenuation Di, i=1, 2,3,4,5, and the initial target attenuation of the signal to be transmitted is corrected according to the relation between the frequency response K of the signal attenuator and each preset frequency response:
when K is smaller than G1, the first preset initial target attenuation correction coefficient y1 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y1;
when G1 is less than or equal to K and less than G2, the second preset initial target attenuation correction coefficient y2 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y2;
When G2 is less than or equal to K and less than G3, the third preset initial target attenuation correction coefficient y3 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y3;
when G3 is less than or equal to K and less than G4, the fourth preset initial target attenuation correction coefficient y4 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y4;
when G4 is less than or equal to K, the fifth preset initial target attenuation correction coefficient y5 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y5.
In one embodiment, when the corrected initial target attenuation is corrected according to the linearity M of the signal attenuator, the method includes:
presetting a linearity matrix P of a signal attenuator, and setting P (P1, P2, P3 and P4), wherein P1 is a first preset linearity, P2 is a second preset linearity, P3 is a third preset linearity, P4 is a fourth preset linearity, and P1 is more than P2 and less than P3 and less than P4;
presetting an initial target attenuation secondary correction coefficient matrix x of a signal to be transmitted, and setting x (x 1, x2, x3, x4 and x 5), wherein x1 is a first preset initial target attenuation secondary correction coefficient, x2 is a second preset initial target attenuation secondary correction coefficient, x3 is a third preset initial target attenuation secondary correction coefficient, x4 is a fourth preset initial target attenuation secondary correction coefficient, x5 is a fifth preset initial target attenuation secondary correction coefficient, and x1 is more than 0.8 and less than x2 and x3 is more than 0.4 and less than x5 and less than 1.2;
When the initial target attenuation of the signal to be transmitted is set to Di x yi, i=1, 2,3,4,5, and the initial target attenuation Di x yi of the signal to be transmitted is corrected according to the relationship between the linearity M of the signal attenuator and each preset linearity:
when M is smaller than P1, selecting the first preset initial target attenuation secondary correction coefficient x1 to secondarily correct the initial target attenuation Di x1 of the signal to be transmitted, wherein the initial target attenuation Di x1 of the signal to be transmitted after the secondary correction;
when P1 is less than or equal to M < P2, selecting the second preset initial target attenuation secondary correction coefficient x2 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x2 of the signal to be transmitted after the secondary correction;
when P2 is less than or equal to M < P3, selecting the third preset initial target attenuation secondary correction coefficient x3 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x3 of the signal to be transmitted after the secondary correction;
when P3 is less than or equal to M < P4, selecting a fourth preset initial target attenuation secondary correction coefficient x4 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x4 of the signal to be transmitted after the secondary correction;
When P4 is less than or equal to M, selecting the fifth preset initial target attenuation secondary correction coefficient x5 to perform secondary correction on the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x5 of the signal to be transmitted after the secondary correction.
In order to achieve the above object, the present invention provides a signal processing apparatus of a mobile terminal, the apparatus comprising:
the acquisition module is used for acquiring a first signal transmission request sent by the mobile terminal and determining a transmission route of a signal to be transmitted according to the first signal transmission request;
the setting module is used for collecting data information of the transmission route, setting a transmission strategy of the signal to be transmitted according to the data information, and sending the signal to be transmitted to the repeater based on the transmission strategy, wherein the data information comprises a route length A of the transmission route and a route frequency band E of the transmission route;
the determining module is used for acquiring an attenuation influence factor of the signal to be transmitted when the repeater receives the signal to be transmitted, and determining a target attenuation amount of the signal to be transmitted based on the attenuation influence factor;
and the sending module is used for carrying out signal attenuation processing on the signal to be transmitted according to the target attenuation amount and sending the signal to be transmitted after the signal attenuation processing to the mobile terminal as a target output signal.
In one embodiment, the setting module is specifically configured to:
the setting module is used for setting the signal power amplification parameters of the signals to be transmitted according to the routing length A of the transmission route;
the setting module is used for correcting the signal power amplification parameter of the signal to be transmitted according to the routing frequency band E of the transmission route, and taking the corrected signal power amplification parameter as the target signal power amplification parameter of the signal to be transmitted;
the setting module is used for sending the signal to be transmitted to the repeater based on the target signal power amplification parameter.
The invention provides a signal processing method and equipment for a mobile terminal, which have the following beneficial effects compared with the prior art:
the invention discloses a signal processing method and equipment for a mobile terminal, which are used for acquiring a first signal transmission request sent by the mobile terminal, determining a transmission route of a signal to be transmitted, acquiring data information of the transmission route, setting a transmission strategy of the signal to be transmitted, sending the signal to be transmitted to a repeater based on the transmission strategy, acquiring an attenuation influence factor of the signal to be transmitted when the signal to be transmitted is received by the repeater, determining a target attenuation amount of the signal to be transmitted, carrying out signal attenuation processing on the signal to be transmitted according to the target attenuation amount, and sending the signal to be transmitted after the signal attenuation processing to the mobile terminal as a target output signal.
Drawings
Fig. 1 is a schematic flow chart of a signal processing method of a mobile terminal in an embodiment of the application;
fig. 2 is a schematic diagram showing a signal processing apparatus of a mobile terminal according to an embodiment of the present application.
Detailed Description
The following describes in further detail the embodiments of the present application with reference to the drawings and examples. The following examples are illustrative of the application and are not intended to limit the scope of the application.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The following is a description of preferred embodiments of the application, taken in conjunction with the accompanying drawings.
As shown in fig. 1, an embodiment of the present application discloses a signal processing method of a mobile terminal, the method including:
s110: acquiring a first signal transmission request sent by a mobile terminal, and determining a transmission route of a signal to be transmitted according to the first signal transmission request;
in this embodiment, the transmission route of the signal to be transmitted refers to a signal transmission path between the base station transmitting the signal and the mobile terminal.
S120: collecting data information of the transmission route, setting a transmission strategy of the signal to be transmitted according to the data information, and sending the signal to be transmitted to a repeater based on the transmission strategy, wherein the data information comprises a route length A of the transmission route and a route frequency band E of the transmission route;
In some embodiments of the present application, when setting a transmission policy of the signal to be transmitted according to the data information, the method includes:
setting signal power amplification parameters of the signals to be transmitted according to the routing length A of the transmission route;
correcting the signal power amplification parameters of the signals to be transmitted according to the routing frequency band E of the transmission route, and taking the corrected signal power amplification parameters as target signal power amplification parameters of the signals to be transmitted;
and sending the signal to be transmitted to the repeater based on the target signal power amplification parameter.
Specifically, when setting the signal power amplification parameter of the signal to be transmitted according to the routing length a of the transmission route, the method includes:
presetting a routing length matrix B of a transmission route, and setting B (B1, B2, B3 and B4), wherein B1 is a first preset routing length, B2 is a second preset routing length, B3 is a third preset routing length, B4 is a fourth preset routing length, and B1 is more than B2 and less than B3 and less than B4;
presetting a signal power amplification parameter matrix C of a signal to be transmitted, and setting C (C1, C2, C3, C4 and C5), wherein C1 is a first preset signal power amplification parameter, C2 is a second preset signal power amplification parameter, C3 is a third preset signal power amplification parameter, C4 is a fourth preset signal power amplification parameter, C5 is a fifth preset signal power amplification parameter, and C1 is more than C2 and less than C3 and less than C4 and less than C5;
Setting signal power amplification parameters of the signal to be transmitted according to the relation between the routing length A of the transmission route and each preset routing length:
when A is smaller than B1, selecting the first preset signal power amplification parameter C1 as a signal power amplification parameter of a signal to be transmitted;
when B1 is less than or equal to A and less than B2, selecting the second preset signal power amplification parameter C2 as a signal power amplification parameter of a signal to be transmitted;
when B2 is less than or equal to A and less than B3, selecting the third preset signal power amplification parameter C3 as a signal power amplification parameter of a signal to be transmitted;
when B3 is less than or equal to A and less than B4, selecting the fourth preset signal power amplification parameter C4 as a signal power amplification parameter of a signal to be transmitted;
and when B4 is less than or equal to A, selecting the fifth preset signal power amplification parameter C5 as a signal power amplification parameter of a signal to be transmitted.
In this embodiment, the routing length refers to the optimal path length from the base station to the mobile terminal.
The beneficial effects of the technical scheme are as follows: the invention sets the signal power amplification parameters of the signal to be transmitted according to the relation between the routing length A of the transmission route and each preset routing length, and can avoid the phenomenon that the signal received by the mobile terminal is attenuated due to the fact that the signal to be transmitted is far away from the base station and the whole transmission quality of the signal is reduced due to the interference of the adjacent mobile terminals.
Specifically, when the signal power amplification parameter of the signal to be transmitted is corrected according to the routing frequency band E of the transmission route, the method includes:
presetting a routing frequency band matrix G of a transmission route, and setting G (G1, G2, G3 and G4), wherein G1 is a first preset routing frequency band, G2 is a second preset routing frequency band, G3 is a third preset routing frequency band, G4 is a fourth preset routing frequency band, and G1 is more than G2 and less than G3 and less than G4;
presetting a signal power amplification parameter correction coefficient matrix h of a signal to be transmitted, and setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a first preset signal power amplification parameter correction coefficient, h2 is a second preset signal power amplification parameter correction coefficient, h3 is a third preset signal power amplification parameter correction coefficient, h4 is a fourth preset signal power amplification parameter correction coefficient, h5 is a fifth preset signal power amplification parameter correction coefficient, and h1 is more than 0.8 and less than h2 and less than h3 and less than h4 and less than h5 and less than 1.2;
when the signal power amplification parameter of the signal to be transmitted is set as the i-th preset signal power amplification parameter Ci, i=1, 2,3,4,5, and the signal power amplification parameter of the signal to be transmitted is corrected according to the relation between the routing frequency band E of the transmission route and each preset routing frequency band:
When E is smaller than G1, the first preset signal power amplification parameter correction coefficient h1 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h1;
when G1 is less than or equal to E and less than G2, selecting the second preset signal power amplification parameter correction coefficient h2 to correct the ith preset signal power amplification parameter Ci, wherein the signal power amplification parameter of the corrected signal to be transmitted is Ci x h2;
when G2 is less than or equal to E and less than G3, selecting the third preset signal power amplification parameter correction coefficient h3 to correct the ith preset signal power amplification parameter Ci, wherein the signal power amplification parameter of the corrected signal to be transmitted is Ci x h3;
when G3 is less than or equal to E and less than G4, the fourth preset signal power amplification parameter correction coefficient h4 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h4;
when G4 is less than or equal to E, the fifth preset signal power amplification parameter correction coefficient h5 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h5.
In this embodiment, the routing band of the transmission route is a standard of the frequency of the transmission wireless signal.
The beneficial effects of the technical scheme are as follows: when the signal power amplification parameters of the signal to be transmitted are set as the i-th preset signal power amplification parameters Ci, i=1, 2,3,4 and 5, the signal power amplification parameters of the signal to be transmitted are corrected according to the relation between the routing frequency band E of the transmission route and each preset routing frequency band.
S130: when the repeater receives the signal to be transmitted, acquiring an attenuation influence factor of the signal to be transmitted, and determining a target attenuation amount of the signal to be transmitted based on the attenuation influence factor;
in some embodiments of the present application, when obtaining an attenuation influence factor of the signal to be transmitted, determining a target attenuation amount of the signal to be transmitted based on the attenuation influence factor includes:
acquiring the signal intensity F of the signal to be transmitted, and setting the initial target attenuation of the signal to be transmitted according to the signal intensity F of the signal to be transmitted;
Acquiring the frequency response K and the linearity M of a signal attenuator, correcting the initial target attenuation of the signal to be transmitted according to the frequency response K of the signal attenuator, secondarily correcting the corrected initial target attenuation according to the linearity M of the signal attenuator, and obtaining the target attenuation of the signal to be transmitted.
Specifically, when setting the initial target attenuation amount of the signal to be transmitted according to the signal strength F of the signal to be transmitted, the method includes:
presetting a signal intensity matrix N of a signal to be transmitted, and setting N (N1, N2, N3 and N4), wherein N1 is a first preset signal intensity, N2 is a second preset signal intensity, N3 is a third preset signal intensity, N4 is a fourth preset signal intensity, and N1 is more than N2 and less than N3 and less than N4;
presetting an initial target attenuation matrix D of a signal to be transmitted, and setting D (D1, D2, D3, D4 and D5), wherein D1 is a first preset initial target attenuation, D2 is a second preset initial target attenuation, D3 is a third preset initial target attenuation, D4 is a fourth preset initial target attenuation, D5 is a fifth preset initial target attenuation, and D1 is more than D2 and less than D3 and less than D4 and less than D5;
setting an initial target attenuation amount of the signal to be transmitted according to the relation between the signal strength F of the signal to be transmitted and each preset signal strength:
When F is smaller than N1, selecting the first preset initial target attenuation D1 as the initial target attenuation of the signal to be transmitted;
when N1 is less than or equal to F and less than N2, selecting the second preset initial target attenuation D2 as the initial target attenuation of the signal to be transmitted;
when N2 is less than or equal to F and less than N3, selecting the third preset initial target attenuation D3 as the initial target attenuation of the signal to be transmitted;
when N3 is less than or equal to F and less than N4, selecting the fourth preset initial target attenuation D4 as the initial target attenuation of the signal to be transmitted;
and when N4 is less than or equal to F, selecting the fifth preset initial target attenuation D5 as the initial target attenuation of the signal to be transmitted.
In this embodiment, the signal strength includes high, medium and weak, which can be represented by dBm, dB, RSSI and ASU.
In this embodiment, the signal attenuator is a circuit device for reducing the amplitude or power of a signal. It is able to reduce the amplitude of its output signal to a desired level by attenuating the energy of the input signal.
The beneficial effects of the technical scheme are as follows: the invention sets the initial target attenuation of the signal to be transmitted according to the relation between the signal strength F of the signal to be transmitted and each preset signal strength, and can further ensure the normal attenuation of the signal in the transmission process by setting the initial target attenuation of the signal to be transmitted, avoid the excessive attenuation of the signal and avoid the condition of saturated receiving of the mobile terminal caused by larger signal strength.
Specifically, when the initial target attenuation amount of the signal to be transmitted is corrected according to the frequency response K of the signal attenuator, the method includes:
setting a frequency response matrix G of a preset signal attenuator, and setting G (G1, G2, G3 and G4), wherein G1 is a first preset frequency response, G2 is a second preset frequency response, G3 is a third preset frequency response, G4 is a fourth preset frequency response, and G1 is more than G2 and less than G3 and less than G4;
presetting an initial target attenuation correction coefficient matrix y of a signal to be transmitted, and setting y (y 1, y2, y3, y4 and y 5), wherein y1 is a first preset initial target attenuation correction coefficient, y2 is a second preset initial target attenuation correction coefficient, y3 is a third preset initial target attenuation correction coefficient, y4 is a fourth preset initial target attenuation correction coefficient, y5 is a fifth preset initial target attenuation correction coefficient, and y1 is more than 0.8 and less than y2, y3 and less than y4 and less than y5 and less than 1.2;
when the initial target attenuation of the signal to be transmitted is set as an i-th preset initial target attenuation Di, i=1, 2,3,4,5, and the initial target attenuation of the signal to be transmitted is corrected according to the relation between the frequency response K of the signal attenuator and each preset frequency response:
When K is smaller than G1, the first preset initial target attenuation correction coefficient y1 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y1;
when G1 is less than or equal to K and less than G2, the second preset initial target attenuation correction coefficient y2 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y2;
when G2 is less than or equal to K and less than G3, the third preset initial target attenuation correction coefficient y3 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y3;
when G3 is less than or equal to K and less than G4, the fourth preset initial target attenuation correction coefficient y4 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y4;
when G4 is less than or equal to K, the fifth preset initial target attenuation correction coefficient y5 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y5.
In this embodiment, the frequency response of the signal attenuator refers to the difference of the processing capability of the signal attenuator for signals with different frequencies, and the frequency response is an important indicator for measuring the signal attenuator.
The beneficial effects of the technical scheme are as follows: when the initial target attenuation of the signal to be transmitted is set as the i-th preset initial target attenuation Di, i=1, 2,3,4,5, and the initial target attenuation of the signal to be transmitted is corrected according to the relation between the frequency response K of the signal attenuator and each preset frequency response.
Specifically, when the corrected initial target attenuation amount is secondarily corrected according to the linearity M of the signal attenuator, the method includes:
presetting a linearity matrix P of a signal attenuator, and setting P (P1, P2, P3 and P4), wherein P1 is a first preset linearity, P2 is a second preset linearity, P3 is a third preset linearity, P4 is a fourth preset linearity, and P1 is more than P2 and less than P3 and less than P4;
presetting an initial target attenuation secondary correction coefficient matrix x of a signal to be transmitted, and setting x (x 1, x2, x3, x4 and x 5), wherein x1 is a first preset initial target attenuation secondary correction coefficient, x2 is a second preset initial target attenuation secondary correction coefficient, x3 is a third preset initial target attenuation secondary correction coefficient, x4 is a fourth preset initial target attenuation secondary correction coefficient, x5 is a fifth preset initial target attenuation secondary correction coefficient, and x1 is more than 0.8 and less than x2 and x3 is more than 0.4 and less than x5 and less than 1.2;
When the initial target attenuation of the signal to be transmitted is set to Di x yi, i=1, 2,3,4,5, and the initial target attenuation Di x yi of the signal to be transmitted is corrected according to the relationship between the linearity M of the signal attenuator and each preset linearity:
when M is smaller than P1, selecting the first preset initial target attenuation secondary correction coefficient x1 to secondarily correct the initial target attenuation Di x1 of the signal to be transmitted, wherein the initial target attenuation Di x1 of the signal to be transmitted after the secondary correction;
when P1 is less than or equal to M < P2, selecting the second preset initial target attenuation secondary correction coefficient x2 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x2 of the signal to be transmitted after the secondary correction;
when P2 is less than or equal to M < P3, selecting the third preset initial target attenuation secondary correction coefficient x3 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x3 of the signal to be transmitted after the secondary correction;
when P3 is less than or equal to M < P4, selecting a fourth preset initial target attenuation secondary correction coefficient x4 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x4 of the signal to be transmitted after the secondary correction;
When P4 is less than or equal to M, selecting the fifth preset initial target attenuation secondary correction coefficient x5 to perform secondary correction on the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x5 of the signal to be transmitted after the secondary correction.
In this embodiment, the linearity of the signal attenuator refers to whether the attenuation value of the signal attenuator at different input powers is kept constant.
The beneficial effects of the technical scheme are as follows: when the initial target attenuation of the signal to be transmitted is set to be Di x yi, i=1, 2,3,4,5, and the initial target attenuation Di x yi of the signal to be transmitted is corrected according to the relation between the linearity M of the signal attenuator and each preset linearity.
S140: and carrying out signal attenuation processing on the signal to be transmitted according to the target attenuation amount, and sending the signal to be transmitted after the signal attenuation processing to the mobile terminal as a target output signal.
In order to further explain the technical idea of the invention, the technical scheme of the invention is described with specific application scenarios.
Correspondingly, as shown in fig. 2, the application also provides a signal processing device of the mobile terminal, which comprises:
the acquisition module is used for acquiring a first signal transmission request sent by the mobile terminal and determining a transmission route of a signal to be transmitted according to the first signal transmission request;
the setting module is used for collecting data information of the transmission route, setting a transmission strategy of the signal to be transmitted according to the data information, and sending the signal to be transmitted to the repeater based on the transmission strategy, wherein the data information comprises a route length A of the transmission route and a route frequency band E of the transmission route;
the determining module is used for acquiring an attenuation influence factor of the signal to be transmitted when the repeater receives the signal to be transmitted, and determining a target attenuation amount of the signal to be transmitted based on the attenuation influence factor;
and the sending module is used for carrying out signal attenuation processing on the signal to be transmitted according to the target attenuation amount and sending the signal to be transmitted after the signal attenuation processing to the mobile terminal as a target output signal.
In some embodiments of the present application, the setting module is specifically configured to:
The setting module is used for setting the signal power amplification parameters of the signals to be transmitted according to the routing length A of the transmission route;
the setting module is used for correcting the signal power amplification parameter of the signal to be transmitted according to the routing frequency band E of the transmission route, and taking the corrected signal power amplification parameter as the target signal power amplification parameter of the signal to be transmitted;
the setting module is used for sending the signal to be transmitted to the repeater based on the target signal power amplification parameter.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the entire description of these combinations is not made in the present specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Those of ordinary skill in the art will appreciate that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by 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 protection scope of the present invention.
Claims (7)
1. A signal processing method of a mobile terminal, the method comprising:
acquiring a first signal transmission request sent by a mobile terminal, and determining a transmission route of a signal to be transmitted according to the first signal transmission request; the transmission route of the signal to be transmitted refers to a signal transmission path between a base station for transmitting the signal and the mobile terminal;
collecting data information of the transmission route, setting a transmission strategy of the signal to be transmitted according to the data information, and sending the signal to be transmitted to a repeater based on the transmission strategy, wherein the data information comprises a route length A of the transmission route and a route frequency band E of the transmission route;
When the repeater receives the signal to be transmitted, acquiring an attenuation influence factor of the signal to be transmitted, and determining a target attenuation amount of the signal to be transmitted based on the attenuation influence factor;
performing signal attenuation processing on the signal to be transmitted according to the target attenuation amount, and sending the signal to be transmitted after the signal attenuation processing to the mobile terminal as a target output signal;
when setting the transmission strategy of the signal to be transmitted according to the data information, the method comprises the following steps:
setting signal power amplification parameters of the signals to be transmitted according to the routing length A of the transmission route;
correcting the signal power amplification parameters of the signals to be transmitted according to the routing frequency band E of the transmission route, and taking the corrected signal power amplification parameters as target signal power amplification parameters of the signals to be transmitted;
transmitting the signal to be transmitted to the repeater based on the target signal power amplification parameter;
when the attenuation influence factor of the signal to be transmitted is acquired, determining the target attenuation amount of the signal to be transmitted based on the attenuation influence factor comprises the following steps:
acquiring the signal intensity F of the signal to be transmitted, and setting the initial target attenuation of the signal to be transmitted according to the signal intensity F of the signal to be transmitted;
Acquiring the frequency response K and the linearity M of a signal attenuator, correcting the initial target attenuation of the signal to be transmitted according to the frequency response K of the signal attenuator, secondarily correcting the corrected initial target attenuation according to the linearity M of the signal attenuator, and obtaining the target attenuation of the signal to be transmitted.
2. The signal processing method of a mobile terminal according to claim 1, wherein when setting the signal power amplification parameter of the signal to be transmitted according to the routing length a of the transmission route, comprising:
presetting a routing length matrix B of a transmission route, and setting B (B1, B2, B3 and B4), wherein B1 is a first preset routing length, B2 is a second preset routing length, B3 is a third preset routing length, B4 is a fourth preset routing length, and B1 is more than B2 and less than B3 and less than B4;
presetting a signal power amplification parameter matrix C of a signal to be transmitted, and setting C (C1, C2, C3, C4 and C5), wherein C1 is a first preset signal power amplification parameter, C2 is a second preset signal power amplification parameter, C3 is a third preset signal power amplification parameter, C4 is a fourth preset signal power amplification parameter, C5 is a fifth preset signal power amplification parameter, and C1 is more than C2 and less than C3 and less than C4 and less than C5;
Setting signal power amplification parameters of the signal to be transmitted according to the relation between the routing length A of the transmission route and each preset routing length:
when A is smaller than B1, selecting the first preset signal power amplification parameter C1 as a signal power amplification parameter of a signal to be transmitted;
when B1 is less than or equal to A and less than B2, selecting the second preset signal power amplification parameter C2 as a signal power amplification parameter of a signal to be transmitted;
when B2 is less than or equal to A and less than B3, selecting the third preset signal power amplification parameter C3 as a signal power amplification parameter of a signal to be transmitted;
when B3 is less than or equal to A and less than B4, selecting the fourth preset signal power amplification parameter C4 as a signal power amplification parameter of a signal to be transmitted;
and when B4 is less than or equal to A, selecting the fifth preset signal power amplification parameter C5 as a signal power amplification parameter of a signal to be transmitted.
3. The signal processing method of a mobile terminal according to claim 2, wherein when the signal power amplification parameter of the signal to be transmitted is corrected according to the routing frequency band E of the transmission route, comprising:
presetting a routing frequency band matrix G of a transmission route, and setting G (G1, G2, G3 and G4), wherein G1 is a first preset routing frequency band, G2 is a second preset routing frequency band, G3 is a third preset routing frequency band, G4 is a fourth preset routing frequency band, and G1 is more than G2 and less than G3 and less than G4;
Presetting a signal power amplification parameter correction coefficient matrix h of a signal to be transmitted, and setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a first preset signal power amplification parameter correction coefficient, h2 is a second preset signal power amplification parameter correction coefficient, h3 is a third preset signal power amplification parameter correction coefficient, h4 is a fourth preset signal power amplification parameter correction coefficient, h5 is a fifth preset signal power amplification parameter correction coefficient, and h1 is more than 0.8 and less than h2 and less than h3 and less than h4 and less than h5 and less than 1.2;
when the signal power amplification parameter of the signal to be transmitted is set as the i-th preset signal power amplification parameter Ci, i=1, 2,3,4,5, and the signal power amplification parameter of the signal to be transmitted is corrected according to the relation between the routing frequency band E of the transmission route and each preset routing frequency band:
when E is smaller than G1, the first preset signal power amplification parameter correction coefficient h1 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h1;
when G1 is less than or equal to E and less than G2, selecting the second preset signal power amplification parameter correction coefficient h2 to correct the ith preset signal power amplification parameter Ci, wherein the signal power amplification parameter of the corrected signal to be transmitted is Ci x h2;
When G2 is less than or equal to E and less than G3, selecting the third preset signal power amplification parameter correction coefficient h3 to correct the ith preset signal power amplification parameter Ci, wherein the signal power amplification parameter of the corrected signal to be transmitted is Ci x h3;
when G3 is less than or equal to E and less than G4, the fourth preset signal power amplification parameter correction coefficient h4 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h4;
when G4 is less than or equal to E, the fifth preset signal power amplification parameter correction coefficient h5 is selected to correct the ith preset signal power amplification parameter Ci, and the signal power amplification parameter of the corrected signal to be transmitted is Ci x h5.
4. The signal processing method of a mobile terminal according to claim 1, wherein when setting an initial target attenuation amount of the signal to be transmitted according to the signal strength F of the signal to be transmitted, comprising:
presetting a signal intensity matrix N of a signal to be transmitted, and setting N (N1, N2, N3 and N4), wherein N1 is a first preset signal intensity, N2 is a second preset signal intensity, N3 is a third preset signal intensity, N4 is a fourth preset signal intensity, and N1 is more than N2 and less than N3 and less than N4;
Presetting an initial target attenuation matrix D of a signal to be transmitted, and setting D (D1, D2, D3, D4 and D5), wherein D1 is a first preset initial target attenuation, D2 is a second preset initial target attenuation, D3 is a third preset initial target attenuation, D4 is a fourth preset initial target attenuation, D5 is a fifth preset initial target attenuation, and D1 is more than D2 and less than D3 and less than D4 and less than D5;
setting an initial target attenuation amount of the signal to be transmitted according to the relation between the signal strength F of the signal to be transmitted and each preset signal strength:
when F is smaller than N1, selecting the first preset initial target attenuation D1 as the initial target attenuation of the signal to be transmitted;
when N1 is less than or equal to F and less than N2, selecting the second preset initial target attenuation D2 as the initial target attenuation of the signal to be transmitted;
when N2 is less than or equal to F and less than N3, selecting the third preset initial target attenuation D3 as the initial target attenuation of the signal to be transmitted;
when N3 is less than or equal to F and less than N4, selecting the fourth preset initial target attenuation D4 as the initial target attenuation of the signal to be transmitted;
and when N4 is less than or equal to F, selecting the fifth preset initial target attenuation D5 as the initial target attenuation of the signal to be transmitted.
5. The signal processing method of a mobile terminal according to claim 4, wherein when correcting the initial target attenuation amount of the signal to be transmitted according to the frequency response K of the signal attenuator, comprising:
setting a frequency response matrix G of a preset signal attenuator, and setting G (G1, G2, G3 and G4), wherein G1 is a first preset frequency response, G2 is a second preset frequency response, G3 is a third preset frequency response, G4 is a fourth preset frequency response, and G1 is more than G2 and less than G3 and less than G4;
presetting an initial target attenuation correction coefficient matrix y of a signal to be transmitted, and setting y (y 1, y2, y3, y4 and y 5), wherein y1 is a first preset initial target attenuation correction coefficient, y2 is a second preset initial target attenuation correction coefficient, y3 is a third preset initial target attenuation correction coefficient, y4 is a fourth preset initial target attenuation correction coefficient, y5 is a fifth preset initial target attenuation correction coefficient, and y1 is more than 0.8 and less than y2, y3 and less than y4 and less than y5 and less than 1.2;
when the initial target attenuation of the signal to be transmitted is set as an i-th preset initial target attenuation Di, i=1, 2,3,4,5, and the initial target attenuation of the signal to be transmitted is corrected according to the relation between the frequency response K of the signal attenuator and each preset frequency response:
When K is smaller than G1, the first preset initial target attenuation correction coefficient y1 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y1;
when G1 is less than or equal to K and less than G2, the second preset initial target attenuation correction coefficient y2 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y2;
when G2 is less than or equal to K and less than G3, the third preset initial target attenuation correction coefficient y3 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y3;
when G3 is less than or equal to K and less than G4, the fourth preset initial target attenuation correction coefficient y4 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y4;
when G4 is less than or equal to K, the fifth preset initial target attenuation correction coefficient y5 is selected to correct the ith preset initial target attenuation Di, and the initial target attenuation of the corrected signal to be transmitted is Di x y5.
6. The signal processing method of a mobile terminal according to claim 5, wherein when the corrected initial target attenuation amount is secondarily corrected according to the linearity M of the signal attenuator, comprising:
Presetting a linearity matrix P of a signal attenuator, and setting P (P1, P2, P3 and P4), wherein P1 is a first preset linearity, P2 is a second preset linearity, P3 is a third preset linearity, P4 is a fourth preset linearity, and P1 is more than P2 and less than P3 and less than P4;
presetting an initial target attenuation secondary correction coefficient matrix x of a signal to be transmitted, and setting x (x 1, x2, x3, x4 and x 5), wherein x1 is a first preset initial target attenuation secondary correction coefficient, x2 is a second preset initial target attenuation secondary correction coefficient, x3 is a third preset initial target attenuation secondary correction coefficient, x4 is a fourth preset initial target attenuation secondary correction coefficient, x5 is a fifth preset initial target attenuation secondary correction coefficient, and x1 is more than 0.8 and less than x2 and x3 is more than 0.4 and less than x5 and less than 1.2;
when the initial target attenuation of the signal to be transmitted is set to Di x yi, i=1, 2,3,4,5, and the initial target attenuation Di x yi of the signal to be transmitted is corrected according to the relationship between the linearity M of the signal attenuator and each preset linearity:
when M is smaller than P1, selecting the first preset initial target attenuation secondary correction coefficient x1 to secondarily correct the initial target attenuation Di x1 of the signal to be transmitted, wherein the initial target attenuation Di x1 of the signal to be transmitted after the secondary correction;
When P1 is less than or equal to M < P2, selecting the second preset initial target attenuation secondary correction coefficient x2 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x2 of the signal to be transmitted after the secondary correction;
when P2 is less than or equal to M < P3, selecting the third preset initial target attenuation secondary correction coefficient x3 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x3 of the signal to be transmitted after the secondary correction;
when P3 is less than or equal to M < P4, selecting a fourth preset initial target attenuation secondary correction coefficient x4 to secondarily correct the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x4 of the signal to be transmitted after the secondary correction;
when P4 is less than or equal to M, selecting the fifth preset initial target attenuation secondary correction coefficient x5 to perform secondary correction on the initial target attenuation Di x yi of the signal to be transmitted, wherein the initial target attenuation Di x5 of the signal to be transmitted after the secondary correction.
7. A signal processing apparatus of a mobile terminal, the apparatus comprising:
the acquisition module is used for acquiring a first signal transmission request sent by the mobile terminal and determining a transmission route of a signal to be transmitted according to the first signal transmission request; the transmission route of the signal to be transmitted refers to a signal transmission path between a base station for transmitting the signal and the mobile terminal;
The setting module is used for collecting data information of the transmission route, setting a transmission strategy of the signal to be transmitted according to the data information, and sending the signal to be transmitted to the repeater based on the transmission strategy, wherein the data information comprises a route length A of the transmission route and a route frequency band E of the transmission route;
the determining module is used for acquiring an attenuation influence factor of the signal to be transmitted when the repeater receives the signal to be transmitted, and determining a target attenuation amount of the signal to be transmitted based on the attenuation influence factor;
the transmitting module is used for carrying out signal attenuation processing on the signal to be transmitted according to the target attenuation amount and transmitting the signal to be transmitted after the signal attenuation processing to the mobile terminal as a target output signal;
the setting module is specifically configured to:
the setting module is used for setting the signal power amplification parameters of the signals to be transmitted according to the routing length A of the transmission route;
the setting module is used for correcting the signal power amplification parameter of the signal to be transmitted according to the routing frequency band E of the transmission route, and taking the corrected signal power amplification parameter as the target signal power amplification parameter of the signal to be transmitted;
The setting module is used for sending the signal to be transmitted to the repeater based on the target signal power amplification parameter;
the determining module is specifically configured to:
the determining module is used for obtaining the signal intensity F of the signal to be transmitted, and setting the initial target attenuation of the signal to be transmitted according to the signal intensity F of the signal to be transmitted;
the determining module is used for obtaining the frequency response K and the linearity M of the signal attenuator, correcting the initial target attenuation of the signal to be transmitted according to the frequency response K of the signal attenuator, correcting the corrected initial target attenuation for the second time according to the linearity M of the signal attenuator, and obtaining the target attenuation of the signal to be transmitted.
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