WO2016112483A1 - 信号放大处理的方法和装置 - Google Patents
信号放大处理的方法和装置 Download PDFInfo
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- WO2016112483A1 WO2016112483A1 PCT/CN2015/070518 CN2015070518W WO2016112483A1 WO 2016112483 A1 WO2016112483 A1 WO 2016112483A1 CN 2015070518 W CN2015070518 W CN 2015070518W WO 2016112483 A1 WO2016112483 A1 WO 2016112483A1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/321—Use of a microprocessor in an amplifier circuit or its control circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
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- H03F2200/462—Indexing scheme relating to amplifiers the current being sensed
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- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/465—Power sensing
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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
- H04B1/02—Transmitters
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method and apparatus for signal amplification processing.
- Power amplifier is an important RF device widely used in base stations, terminals and other devices.
- power amplifiers in base stations employ multiple input power amplifiers, such as dual input power amplifiers, three input power amplifiers, and the like.
- a signal decomposition device is disposed in the transmitter for decomposing the input signal, and signal decomposition parameters and signal decomposition parameters are set in the signal decomposition device.
- the output of the signal decomposition device is connected to the input of the power amplifier, and the input signal is decomposed in various ways. For example, if a signal of 30 dBm is output, for example, a dual input power amplifier can pass 17 dBm. The RF signal and the 18V power amplifier voltage are obtained. It can also be obtained by the 21dBm RF signal and the 7V power amplifier voltage. In order to ensure the power amplifier's power amplifier efficiency is the highest, the signal with the highest power amplifier efficiency can be determined in the above various combinations.
- the parameter value of the decomposition parameter is fixed to a set of parameter values corresponding to the maximum value of the power amplifier efficiency.
- the parameter value of the signal decomposition parameter of the signal decomposition device is a fixed configuration, in practical applications, such as various communication systems using a heterogeneous network networking mode, the FET in the power amplifier of the base station is often subjected to the outside world.
- the influence of the environment (such as temperature) will make the power amplifier efficiency obtained by the transmitter using the above fixed parameter values no longer the maximum, thus making the power amplifier less efficient.
- embodiments of the present invention provide a method and apparatus for signal amplification processing.
- the technical solution is as follows:
- an apparatus for signal amplification processing comprising:
- the first obtaining module is configured to set a plurality of sets of parameter values for the signal decomposition parameter group, perform signal amplification processing based on each set of parameter values, and obtain power amplifier efficiency corresponding to each set of parameter values;
- a second acquiring module configured to acquire a set of parameter values corresponding to a maximum power amplifier efficiency of the power amplifier efficiency corresponding to each set of parameter values
- a setting module configured to set a set of parameter values corresponding to the maximum power amplifier efficiency as parameter values of the signal decomposition parameter group.
- the first acquiring module is further configured to:
- Demodulating signals in at least one of the obtained plurality of signal groups are adjusted according to a mode search algorithm, and for each adjustment, determining a set of parameter values of the signal decomposition parameter group according to the adjusted plurality of signal groups ;
- the signal amplification processing is performed based on each determined parameter value of each group, and the power amplifier efficiency corresponding to each group of parameter values is obtained.
- the first acquiring module is configured to:
- the first obtaining module is configured to:
- the signal amplification processing is performed based on each of the determined parameter values, and the instantaneous power amplifier efficiency corresponding to the sampled input signal is obtained in the process of performing signal amplification processing based on each set of parameter values.
- the first acquiring module is configured to:
- the first obtaining module is configured to:
- the signal amplification processing is performed based on each determined parameter value of each group, and the average power amplifier efficiency in the time period used in the signal amplification processing process is acquired in the process of performing signal amplification processing based on each set of parameter values.
- the first acquiring module is configured to:
- a method of signal amplification processing comprising:
- a set of parameter values corresponding to the maximum power amplifier efficiency is set as a parameter value of the signal decomposition parameter group.
- the group of signal decomposition parameter sets a plurality of sets of parameter values, respectively performing signal amplification processing based on each set of parameter values, and acquiring corresponding parameter values of each group Amplifier efficiency, including:
- Demodulating signals in at least one of the obtained plurality of signal groups are adjusted according to a mode search algorithm, and for each adjustment, determining a set of parameter values of the signal decomposition parameter group according to the adjusted plurality of signal groups ;
- the signal amplification processing is performed based on each determined parameter value of each group, and the power amplifier efficiency corresponding to each group of parameter values is obtained.
- the obtaining, by the obtaining, the power amplifier efficiency corresponding to the set of initial parameter values includes:
- the signal amplification processing is performed based on the determined parameter values of each group, and the power amplifier efficiency corresponding to each group of parameter values is obtained, including:
- the obtaining, by the obtaining, the power amplifier efficiency corresponding to the set of initial parameter values includes:
- the signal amplification processing is performed based on the determined parameter values of each group, and the power amplifier efficiency corresponding to each group of parameter values is obtained, including:
- the signal amplification processing is performed based on each determined parameter value of each group, and the average power amplifier efficiency in the time period used in the signal amplification processing process is acquired in the process of performing signal amplification processing based on each set of parameter values.
- the obtaining a power amplifier efficiency corresponding to each group of parameter values includes:
- a base station comprising a processor and a memory, wherein:
- the processor is configured to set a plurality of sets of parameter values for the signal decomposition parameter group, perform signal amplification processing based on each set of parameter values, and obtain power amplifier efficiencies corresponding to each set of parameter values;
- the processor is further configured to acquire a set of parameter values corresponding to a maximum power amplifier efficiency of the power amplifier efficiency corresponding to each set of parameter values, and store the same in the memory;
- the processor is further configured to set the signal decomposition parameter group to a set of parameter values corresponding to a maximum power amplifier efficiency.
- multiple sets of parameter values are set corresponding to the signal decomposition parameters, and signal amplification processing is performed based on each set of parameter values, and the power amplifier efficiency corresponding to each set of parameter values is obtained, and the power amplifier efficiency corresponding to each set of parameter values is obtained.
- the signal decomposition parameter is set to the obtained parameter value, and a set of parameter values corresponding to the largest power amplifier efficiency among the plurality of sets of parameter values is set as the parameter value of the signal decomposition parameter group.
- the power amplifier efficiency of the transmitter of the base station in the communication system is kept maximal. Even if the power amplifier of the base station is affected by the external environment, the power amplifier efficiency of the transmitter can be optimally adjusted in the above manner, thereby improving the power amplifier efficiency.
- FIG. 1 is a flowchart of a method for signal amplification processing according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of circuit connection of a transmitter according to an embodiment of the present invention.
- FIG. 3 is a schematic structural diagram of a signal decomposition device according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of an apparatus for signal amplification processing according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- the embodiment of the present invention provides a method for signal amplification processing.
- the technical solution provided by the embodiment of the present invention is applicable to various communication systems that can adopt a heterogeneous network networking manner, for example, a wideband code division.
- WCDMA Wideband Code Division Multiple Access
- TD-SCDMA Time Division-Synchronous Code Division Multiple Access
- LTE Long-Term Evolution
- LTE subsequent evolution Communication Systems.
- the executor of the method for the signal amplification processing may be the transmitter of the base station in the foregoing communication system.
- the base station involved in the embodiment of the present invention may be a Node B (Node-B) in a WCDMA or TD-SCDMA system, or may be an LTE communication.
- the transmitter of the embodiment of the present invention may be any transmitter including a signal amplifier and a signal transmitting function, such as an eNodeB (evolved NodeB) in the system or a similar base station device in the LTE subsequent evolved communication system. .
- the processing flow of the method may include the following steps:
- Step 101 The transmitter sets a plurality of sets of parameter values for the signal decomposition parameter group, performs signal amplification processing based on each set of parameter values, and obtains power amplifier efficiency corresponding to each set of parameter values.
- Step 102 The transmitter acquires a set of parameter values corresponding to a maximum power amplifier efficiency of the power amplifier efficiency corresponding to each set of parameter values.
- Step 103 The transmitter sets a set of parameter values corresponding to the maximum power amplifier efficiency as parameter values of the signal decomposition parameter group.
- the transmitter sets multiple sets of parameter values for the signal decomposition parameter group, performs signal amplification processing based on each set of parameter values, and obtains power amplifier efficiency corresponding to each set of parameter values, and obtains power amplifiers corresponding to each set of parameter values.
- the set of parameter values corresponding to the maximum power amplifier efficiency in the efficiency, the set of parameter values corresponding to the maximum power amplifier efficiency is set as the parameter value of the signal decomposition parameter group, and the group corresponding to the largest power amplifier efficiency among the plurality of sets of parameter values is corresponding.
- the parameter value is set to the parameter value of the signal decomposition parameter group, so that the power amplifier efficiency of the base station transmitter in the communication system is kept maximum, and even if the power amplifier of the base station is affected by the external environment, the power amplifier efficiency of the transmitter can be adjusted by the above manner. To the best, thus, can improve the efficiency of the power amplifier.
- Step 101 The transmitter sets a plurality of sets of parameter values for the signal decomposition parameter group, performs signal amplification processing based on each set of parameter values, and obtains power amplifier efficiency corresponding to each set of parameter values.
- the transmitter includes a power amplifier for amplifying the power of the signal
- the power amplifier can be various, such as a single-input power amplifier and a multi-input power amplifier (ie, a power amplifier).
- the input is provided with multiple signal input ports.
- the power amplifier in the transmitter usually uses a multi-input power amplifier, such as a dual input power amplifier.
- a signal decomposition device since there are multiple input ports, it is necessary to use a signal decomposition device to decompose an input signal into a plurality of decomposition signals, and the process of decomposing the input signal by the signal decomposition device is usually preset.
- Performing a decomposition algorithm wherein the decomposition algorithm is provided with a plurality of signal decomposition parameters (which may be referred to as signal decomposition parameter groups), such as five signal decomposition parameters a, b, c, d, and e, and the five signal decomposition parameters may constitute one Signal decomposition parameter set by setting different parameter values for the signal decomposition parameter group
- the decomposition algorithm can be adjusted to decompose a plurality of different decomposition signals, and then each decomposition signal can be input from one input port to the multi-input power amplifier for signal amplification processing.
- the algorithm is a signal decomposition algorithm in the signal decomposition device, so that the differential mode function can include multiple signal decomposition parameters.
- the transmitter can use a multi-input power amplifier to amplify the input signal.
- the modulated signal can be transmitted as an input signal to the signal decomposition device, and the user or the technician can pre-set multiple groups of the signal decomposition parameter group.
- the parameter value can set different parameter values for the signal decomposition device respectively.
- different decomposition signals can be output through the parameter values in the signal decomposition device, and each decomposition signal can be transmitted to the power.
- the amplifier after the corresponding power amplification processing, the processed signal is output, and after the signal is coupled by the coupler, the output power can be calculated or measured. At this time, the power amplifier efficiency corresponding to each set of parameter values can be calculated or measured.
- the processing manner of obtaining the power amplifier efficiency corresponding to each set of parameter values may be various.
- the following provides an optional processing manner, which may specifically include the following: acquiring a power amplifier that performs signal amplification processing based on each set of parameter values. Current and output power, according to the power amplifier current, output power and preset power amplifier voltage, determine the corresponding power amplifier efficiency.
- the output power of the output signal and the power amplifier current in the multi-input power amplifier can be measured, and the power amplifier voltage of the multi-input power amplifier is usually a fixed value, such as 28 volts, 50 Volt, in this way, you can use the product of the power amplifier current and the power amplifier voltage to calculate the DC power of the multi-input power amplifier. Then, you can use the output power divided by the calculated DC power of the multi-input power amplifier to get the corresponding value of each set of parameters. Power amplifier efficiency.
- processing manner of the foregoing step 101 may be various.
- the following provides an optional processing manner, which may specifically include the following steps:
- Step 1 performing signal amplification processing based on a set of initial parameter values set by the signal decomposition parameter group, sampling a plurality of input signals having different powers, acquiring a decomposition signal corresponding to each input signal, and obtaining a plurality of input signals and corresponding Decompose the signal consisting of a signal group and obtain the power amplifier efficiency corresponding to the above set of initial parameter values.
- a set of initial parameter values may be set for the signal decomposition parameter group, and the initial parameter values may be set in the signal decomposition device.
- the power of the input signal of the signal decomposition device is within a certain power range, such as 0 dBFS.
- the corresponding power amplifier output power is 0dBm ⁇ 30dBm
- the input signal can be decomposed by the signal decomposition device, and the signal decomposition device can sample the input signal to obtain more With different power Input signals, such as 0dBFS, -5dBFS, -10dBFS, -15dBFS, -20dBFS, -25dBFS, and -30dBFS input signals, wherein the number of input signals of different powers sampled is greater than or equal to the signal decomposition parameter group
- the number of signal decomposition parameters, and then the transmitter can separately obtain the decomposition signal corresponding to each input signal, and can form any one of the input signals and the decomposition signal corresponding to the input signal into a signal group, for example, a transmitter.
- the power amplifier in the envelope is the envelope tracking power amplifier.
- the power of the output signal of the power amplifier is 30dBm, and the corresponding digital domain power is 0dBFS.
- the decomposition signal can include the digital signal corresponding to the RF signal of 17dBm and the control signal of the 18V power amplifier voltage. Therefore, the obtained signal group can be expressed as a digital signal group corresponding to [30 dBm, (17 dBm, 18 V)].
- the transmitter can respectively input each of the decomposition signals through the input port corresponding to the power amplifier, input the power amplifier into the power amplifier for power amplification, and obtain the output signal after coupling by the coupler.
- the output power of the output signal can be measured, and the power amplifier current of the power amplifier can be measured.
- the transmitter can calculate the DC power of the power amplifier through the power amplifier current and the preset power amplifier voltage, and the output power can be divided by the calculated power amplifier.
- the DC power in turn, the power amplifier efficiency, which can be used as the power amplifier efficiency corresponding to the set of parameter values.
- the foregoing process for obtaining a power amplifier efficiency corresponding to a set of initial parameter values may be various, and the following two alternative processing modes are provided, specifically the following:
- the instantaneous power amplifier efficiency corresponding to the sampled input signal is obtained.
- the instantaneous power amplifier efficiency corresponding to each input signal can be obtained.
- the signal decomposition parameter group used in the signal decomposition device of the transmitter can have a set of initial parameter values, and the transmitter can pass the corresponding processing device.
- the input signal is subjected to DPD (Digital Pre-Distortion) correction or pre-distortion processing, and then subjected to signal amplification processing, wherein the output signal obtained by the above method is the same as the input signal before the DPD correction or pre-distortion processing,
- DPD Digital Pre-Distortion
- signal amplification processing wherein the output signal obtained by the above method is the same as the input signal before the DPD correction or pre-distortion processing
- the average power amplifier efficiency in the time period used in the signal amplification processing process is obtained.
- the average power amplifier efficiency in the time period used in the signal amplification processing process may also be acquired.
- the technician may be the transmitter.
- a set of signal decomposition parameter sets used in the signal decomposition device The initial parameter value
- the transmitter can decompose the input signal through a signal decomposition device provided with an initial parameter value, thereby performing signal amplification processing on the decomposed signal, and then measuring the power during the time period used in the signal amplification process.
- the average power amplifier current and the average output power of the amplifier and in turn, calculate the average power amplifier efficiency of each group of parameter values during the time period used in the signal amplification process.
- Step two according to the mode search algorithm, adjusting the decomposition signals in at least one of the obtained plurality of signal groups, and determining, for each adjustment, one of the signal decomposition parameter groups according to the adjusted plurality of signal groups Group parameter value.
- the plurality of signal groups may be adjusted by using, for example, a pattern search algorithm.
- a pattern search algorithm Specifically, the method of the differential mode function is taken as an example, and the signal groups are assumed to be (x0, y0).
- the adjusted signal group can be (x0, y0+d), (x1, y1), (x2, y2), (x0, y0-d), (x1, y1), (x2, y2), (x0, Y0), (x1, y1+d), (x2, y2), (x0, y0), (x1, y1-d), (x2, y2), (x0, y0), (x1, y1), ( X2, y2+d), (x0, y0), (x1, y1), (x2, y2-d), etc., where d can be the step size when the decomposition signal is adjusted, and the value of d can be used by the user.
- multiple adjusted signal groups can be obtained, such as (x0, y0+d), (x1, y1), (x2, y2). ), by multiple signal groups, and the algorithm corresponding to the above differential mode function, obtained by multiple Equations consisting of equations, solving a set of equations, can get a set of parameter values, then the above example includes six adjustments, through each adjustment of the resulting signal group, you can calculate a set of parameter values, so you will get six groups Parameter value.
- step 3 based on the determined values of each group of parameters, signal amplification processing is performed, and the power amplifier efficiency corresponding to each group of parameter values is obtained.
- the plurality of sets of parameter values obtained in the above step 2 may be sequentially set in the signal decomposition device, and the transmitter may transmit the input signal to the signal decomposition device for signal decomposition, and then input the decomposition signal into the power amplifier.
- the power amplification after coupling by the coupler, can calculate the power amplifier efficiency corresponding to each set of parameter values by the above method for calculating the power amplifier efficiency.
- the processing manner of the foregoing step 3 may include the following: performing signal amplification processing on each of the determined parameter values according to the determined values, respectively performing signal amplification processing based on each set of parameter values. The instantaneous power amplifier efficiency corresponding to the sampled input signal is obtained.
- the transmitter may obtain the instantaneous power amplifier efficiency corresponding to one of the plurality of input signals that are sampled, or may acquire multiple samples respectively.
- efficiency of the power amplifier corresponding to each input signal in the input signal refer to the above related content for related processing, and details are not described herein again.
- the processing manner of the foregoing step 3 may include: performing signal amplification processing on each of the determined parameter values according to the determined, respectively, and performing signal amplification processing on each group of parameter values respectively. The average power amplifier efficiency in the time period used for the signal amplification process is obtained.
- the average power amplifier efficiency in the time period used in the signal amplification processing process may be acquired, and related For the processing procedure, refer to the related content above, and details are not described herein again.
- the average output power of the output signal is measured when it reaches a stable state, and the average output power corresponding to each group of parameter values is required to be the same, if the average output power corresponding to a certain set of parameter values If the average output power corresponding to the other group parameter values is different, the signal amplification process is re-executed using the set of parameter values to obtain an average output power, and the above-mentioned judging process is continued until the average output power corresponding to the set of parameter values and other group parameters The value corresponds to the same average output power.
- the average output power and output signal corresponding to each set of parameter values need to be stable, and the average output power corresponding to each set of parameter values remains the same.
- the above requirements can be satisfied.
- the input signal and/or the output signal are actual service signals, and the above requirements will be difficult to meet.
- the output power and the power amplifier current are measured in real time, the above The requirements can be relaxed, and the signal will converge faster.
- Step 102 The transmitter acquires a set of parameter values corresponding to a maximum power amplifier efficiency of the power amplifier efficiency corresponding to each set of parameter values.
- the transmitter can calculate the power amplifier efficiency corresponding to each set of parameter values by the above manner, the transmitter can compare the power amplifier efficiency, find the maximum power amplifier efficiency, and then determine the maximum power amplifier efficiency. A set of parameter values.
- the adjusted signal group may be (x0, y0+d), (x1, y1), (x2, y2), and a set of parameter values are calculated by the differential mode function, and the signal is transmitted.
- the machine can set the parameter value of the group in the signal decomposition device, and then perform signal amplification processing on the input signal to obtain the power amplifier efficiency P1 when the input signal is x0. If a set of initial parameter values is set, the input is The power amplifier efficiency when the signal is x0 is P0.
- the decomposition signal in the signal group is continuously adjusted according to the mode search algorithm, such as (x0, y0+2d), (x1, y1), (x2, y2), Continue to perform the above process, and obtain the power amplifier efficiency P2 when the input signal is x0. If P1 is greater than P2, the transmitter can determine that the power amplifier has the highest efficiency when the input signal is x0, that is, P1, and the corresponding signal group is (x0, y0+d). ).
- the transmitter can use the same processing method to continue to determine the maximum power amplifier efficiency when the input signal is x1 or x2, and determine the corresponding signal group, for example, (x1, y1+2d), (x2, y2-d), The transmitter can use the signal groups (x0, y0+d), (x1, y1+2d), (x2, y2-d) to calculate a set of parameter values by the above differential mode function.
- the transmitter may perform a search in the average power amplifier efficiency corresponding to each set of parameter values, obtain a maximum value of the average power amplifier efficiency, and obtain a set of parameter values corresponding to the maximum value.
- Step 103 The transmitter sets a set of parameter values corresponding to the maximum power amplifier efficiency as parameter values of the signal decomposition parameter group.
- the parameter value may be set in the signal decomposition device, and then the transmitter may perform signal amplification processing by using the set of parameter values. Then, the transmitter can continue the processing of steps 101 to 103 above for the input signal based on a set of parameter values currently used.
- multiple sets of parameter values are set for the signal decomposition parameter group, and signal amplification processing is performed based on each set of parameter values, and the power amplifier efficiency corresponding to each set of parameter values is obtained, and the power amplifier efficiency corresponding to each set of parameter values is obtained.
- the maximum power amplifier efficiency corresponds to a set of parameter values, and the set of parameter values corresponding to the maximum power amplifier efficiency is set as the parameter value of the signal decomposition parameter group, and a set of parameter values corresponding to the largest power amplifier efficiency among the plurality of sets of parameter values is adopted.
- Set the parameter value of the signal decomposition parameter group to maximize the power amplifier efficiency of the base station transmitter in the communication system. Even if the power amplifier of the base station is affected by the external environment, the power amplifier efficiency of the transmitter can be adjusted to the most Good, thus, can improve the efficiency of the power amplifier.
- the embodiment of the present invention further provides a device for signal amplification processing, which can be applied to various communication systems adopting a heterogeneous network networking manner, for example, a wideband code division multiple access system, time synchronization A code division multiple access system, a long term evolution system, and a communication system for the subsequent evolution of the long term evolution system.
- the device can be used as a transmitter with a signal transmitting function in a base station in the above communication system, and the device can also be used as any device that needs to implement signal amplification and signal transmission functions, as shown in the figure.
- the device includes:
- the first obtaining module 410 is configured to set a plurality of sets of parameter values for the signal decomposition parameter group, perform signal amplification processing based on each set of parameter values, and obtain power amplifier efficiency corresponding to each set of parameter values;
- the second obtaining module 420 is configured to obtain a set of parameter values corresponding to a maximum power amplifier efficiency of power amplifier efficiencies corresponding to each set of parameter values;
- the setting module 430 is configured to set a set of parameter values corresponding to the maximum power amplifier efficiency as parameter values of the signal decomposition parameter group.
- the first obtaining module 410 is further configured to:
- Demodulating signals in at least one of the obtained plurality of signal groups are adjusted according to a mode search algorithm, and for each adjustment, determining a set of parameter values of the signal decomposition parameter group according to the adjusted plurality of signal groups ;
- the signal amplification processing is performed based on each determined parameter value of each group, and the power amplifier efficiency corresponding to each group of parameter values is obtained.
- the first obtaining module 410 is configured to:
- the first obtaining module 410 is configured to:
- the signal amplification processing is performed based on each of the determined parameter values, and the instantaneous power amplifier efficiency corresponding to the sampled input signal is obtained in the process of performing signal amplification processing based on each set of parameter values.
- the first obtaining module 410 is configured to:
- the first obtaining module 410 is configured to:
- the signal amplification processing is performed based on each determined parameter value of each group, and the average power amplifier efficiency in the time period used in the signal amplification processing process is acquired in the process of performing signal amplification processing based on each set of parameter values.
- the first obtaining module 410 is configured to:
- multiple sets of parameter values are set for the signal decomposition parameter group, and signal amplification processing is performed based on each set of parameter values, and the power amplifier efficiency corresponding to each set of parameter values is obtained, and the power amplifier efficiency corresponding to each set of parameter values is obtained.
- the maximum power amplifier efficiency corresponds to a set of parameter values, and the set of parameter values corresponding to the maximum power amplifier efficiency is set as the parameter value of the signal decomposition parameter group, and a set of parameter values corresponding to the largest power amplifier efficiency among the plurality of sets of parameter values is adopted.
- Set the parameter value of the signal decomposition parameter group to maximize the power amplifier efficiency of the base station transmitter in the communication system. Even if the power amplifier of the base station is affected by the external environment, the power amplifier efficiency of the transmitter can be adjusted to the most Good, thus, can improve the efficiency of the power amplifier.
- the foregoing functions may be assigned different functions according to requirements.
- the module is completed, that is, the internal structure of the transmitter is divided into different functional modules to complete all or part of the functions described above.
- the apparatus for the signal amplification processing provided by the above embodiment is the same as the method embodiment of the signal amplification processing, and the specific implementation process is described in detail in the method embodiment, and details are not described herein again.
- FIG. 5 it is a schematic diagram of a structure of a base station according to an embodiment of the present invention.
- the base station may be used to implement a method for amplifying a signal provided in the foregoing embodiment, where the base station may adopt a heterogeneous network networking manner.
- a base station in a communication system wherein the various communication systems may be a wideband code division multiple access system, a time division synchronous code division multiple access system, a long term evolution system, and a communication system of a long term evolution system subsequent evolution. Specifically:
- the base station includes a receiver 510, a processor 520, a transmitter 530 and a memory 540, and the receiver 510, the transmitter 530 and the memory 540 are respectively connected to the processor 520.
- the processor 520 is configured to set a plurality of sets of parameter values for the signal decomposition parameter group, perform signal amplification processing based on each set of parameter values, and obtain power amplifier efficiency corresponding to each set of parameter values;
- the processor 520 is further configured to acquire a set of parameter values corresponding to a maximum power amplifier efficiency of the power amplifier efficiency corresponding to each set of parameter values, and store the same in the memory 540;
- the processor 520 is further configured to set a set of parameter values corresponding to the maximum power amplifier efficiency as parameter values of the signal decomposition parameter group.
- the processor 520 is configured to:
- Demodulating signals in at least one of the obtained plurality of signal groups are adjusted according to a mode search algorithm, and for each adjustment, determining a set of parameter values of the signal decomposition parameter group according to the adjusted plurality of signal groups ;
- the signal amplification processing is performed based on each determined parameter value of each group, and the power amplifier efficiency corresponding to each group of parameter values is obtained.
- the processor 520 is configured to:
- the signal amplification processing is performed based on each of the determined parameter values, and the instantaneous power amplifier efficiency corresponding to the sampled input signal is obtained in the process of performing signal amplification processing based on each set of parameter values.
- the processor 520 is configured to:
- the signal amplification processing is performed based on each determined parameter value of each group, and the average power amplifier efficiency in the time period used in the signal amplification processing process is acquired in the process of performing signal amplification processing based on each set of parameter values.
- the processor 520 is configured to:
- multiple sets of parameter values are set for the signal decomposition parameter group, and signal amplification processing is performed based on each set of parameter values, and the power amplifier efficiency corresponding to each set of parameter values is obtained, and the power amplifier efficiency corresponding to each set of parameter values is obtained.
- the maximum power amplifier efficiency corresponds to a set of parameter values, and the set of parameter values corresponding to the maximum power amplifier efficiency is set as the parameter value of the signal decomposition parameter group, and a set of parameter values corresponding to the largest power amplifier efficiency among the plurality of sets of parameter values is adopted.
- Set the parameter value of the signal decomposition parameter group to maximize the power amplifier efficiency of the base station transmitter in the communication system. Even if the power amplifier of the base station is affected by the external environment, the power amplifier efficiency of the transmitter can be adjusted to the most Good, thus, can improve Power amplifier efficiency.
- a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
- the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.
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Abstract
Description
Claims (11)
- 一种信号放大处理的装置,其特征在于,所述装置包括:第一获取模块,用于对信号分解参数组设置多组参数值,分别基于每组参数值,进行信号放大处理,并获取每组参数值对应的功放效率;第二获取模块,用于获取所述每组参数值对应的功放效率中的最大的功放效率对应的一组参数值;设置模块,用于将所述最大的功放效率对应的一组参数值设置为信号分解参数组的参数值。
- 根据权利要求1所述的装置,其特征在于,所述第一获取模块,还用于:基于对信号分解参数组设置的一组初始参数值,进行信号放大处理,取样多个具有不同功率的输入信号,获取每个输入信号对应的分解信号,得到多个由输入信号和对应的分解信号组成的信号组,并获取所述一组初始参数值对应的功放效率;按照模式搜索算法,对得到的多个信号组中的至少一个信号组中的分解信号进行调整,对于每次调整,根据进行调整后的多个信号组,确定信号分解参数组的一组参数值;分别基于确定出的每组参数值,进行信号放大处理,并获取每组参数值对应的功放效率。
- 根据权利要求2所述的装置,其特征在于,所述第一获取模块,用于:在基于所述对信号分解参数组设置的一组初始参数值进行信号放大处理的过程中,获取取样的输入信号对应的瞬时功放效率;所述第一获取模块,用于:分别基于确定出的每组参数值,进行信号放大处理,分别在基于每组参数值进行信号放大处理的过程中,获取所述取样的输入信号对应的瞬时功放效率。
- 根据权利要求2所述的装置,其特征在于,所述第一获取模块,用于:在基于所述对信号分解参数组设置的一组初始参数值进行信号放大处理的过程中,获取信号放大处理过程所使用的时间段内的平均功放效率;所述第一获取模块,用于:分别基于确定出的每组参数值,进行信号放大处理,分别在基于每组参数值进行信号放大处理的过程中,获取信号放大处理过程所使用的时间段内的平 均功放效率。
- 根据权利要求1所述的装置,其特征在于,所述第一获取模块,用于:获取基于每组参数值进行信号放大处理的功放电流和输出功率,根据所述功放电流、所述输出功率和预先设置的功放电压,确定对应的功放效率。
- 一种信号放大处理的方法,其特征在于,所述方法包括:对信号分解参数组设置多组参数值,分别基于每组参数值,进行信号放大处理,并获取每组参数值对应的功放效率;获取所述每组参数值对应的功放效率中的最大的功放效率对应的一组参数值;将所述最大的功放效率对应的一组参数值设置为信号分解参数组的参数值。
- 根据权利要求6所述的方法,其特征在于,所述对信号分解参数组设置多组参数值,分别基于每组参数值,进行信号放大处理,并获取每组参数值对应的功放效率,包括:基于对信号分解参数组设置的一组初始参数值,进行信号放大处理,取样多个具有不同功率的输入信号,获取每个输入信号对应的分解信号,得到多个由输入信号和对应的分解信号组成的信号组,并获取所述一组初始参数值对应的功放效率;按照模式搜索算法,对得到的多个信号组中的至少一个信号组中的分解信号进行调整,对于每次调整,根据进行调整后的多个信号组,确定信号分解参数组的一组参数值;分别基于确定出的每组参数值,进行信号放大处理,并获取每组参数值对应的功放效率。
- 根据权利要求7所述的方法,其特征在于,所述获取所述一组初始参数值对应的功放效率,包括:在基于所述对信号分解参数组设置的一组初始参数值进行信号放大处理的过程中,获取取样的输入信号对应的瞬时功放效率;所述分别基于确定出的每组参数值,进行信号放大处理,并获取每组参数值对应的功放效率,包括:分别基于确定出的每组参数值,进行信号放大处理,分别在基于每组参数 值进行信号放大处理的过程中,获取所述取样的输入信号对应的瞬时功放效率。
- 根据权利要求7所述的方法,其特征在于,所述获取所述一组初始参数值对应的功放效率,包括:在基于所述对信号分解参数组设置的一组初始参数值进行信号放大处理的过程中,获取信号放大处理过程所使用的时间段内的平均功放效率;所述分别基于确定出的每组参数值,进行信号放大处理,并获取每组参数值对应的功放效率,包括:分别基于确定出的每组参数值,进行信号放大处理,分别在基于每组参数值进行信号放大处理的过程中,获取信号放大处理过程所使用的时间段内的平均功放效率。
- 根据权利要求6所述的方法,其特征在于,所述获取每组参数值对应的功放效率,包括:获取基于每组参数值进行信号放大处理的功放电流和输出功率,根据所述功放电流、所述输出功率和预先设置的功放电压,确定对应的功放效率。
- 一种基站,其特征在于,所述基站包括处理器和存储器,其中:所述处理器,用于对信号分解参数组设置多组参数值,分别基于每组参数值,进行信号放大处理,并获取每组参数值对应的功放效率;所述处理器,还用于获取所述每组参数值对应的功放效率中的最大的功放效率对应的一组参数值,存储在所述存储器中;所述处理器,还用于将所述信号分解参数组设置为最大的功放效率对应的一组参数值。
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JP2017536853A JP2018501736A (ja) | 2015-01-12 | 2015-01-12 | 信号増幅処理方法及び装置 |
CA2973488A CA2973488C (en) | 2015-01-12 | 2015-01-12 | Signal amplification processing method and apparatus |
ES15877403T ES2710605T3 (es) | 2015-01-12 | 2015-01-12 | Procedimiento y aparato de procesamiento de amplificación de señal |
EP15877403.4A EP3232628B1 (en) | 2015-01-12 | 2015-01-12 | Signal amplification processing method and apparatus |
KR1020177022254A KR101946435B1 (ko) | 2015-01-12 | 2015-01-12 | 신호 증폭 처리 방법 및 장치 |
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