CN114375031B - Method, base station and medium for controlling signal strength - Google Patents

Method, base station and medium for controlling signal strength Download PDF

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Publication number
CN114375031B
CN114375031B CN202111593003.7A CN202111593003A CN114375031B CN 114375031 B CN114375031 B CN 114375031B CN 202111593003 A CN202111593003 A CN 202111593003A CN 114375031 B CN114375031 B CN 114375031B
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target
power
transmitting power
base station
preset
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CN114375031A (en
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吴扬东
杨怀源
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/143—Downlink power control
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L15/14—Speech classification or search using statistical models, e.g. Hidden Markov Models [HMMs]
    • G10L15/142—Hidden Markov Models [HMMs]
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L15/16—Speech classification or search using artificial neural networks
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/26—Speech to text systems
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Probability & Statistics with Applications (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the application provides a method for controlling signal intensity, a base station and a medium, relates to the technical field of beam forming, and can enable the signal intensity emitted by the base station to adapt to the requirements of different scenes on the signal intensity. The technical scheme of the application comprises the following steps: the voice data of the user is collected, and then key information included in the voice data is recognized. And determining the target transmitting power of the target direction indicated by the key information, and then adjusting the transmitting power of the signal of the target direction to be the target transmitting power.

Description

Method, base station and medium for controlling signal strength
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method, a base station, and a medium for controlling signal strength.
Background
Currently, the beamforming technology is widely applied in fields such as the fifth generation mobile communication technology (5th Generation Mobile Communication Technology,5G). For example, the base station may automatically adjust the direction of the transmitted signal based on the beamforming technique according to the location of the user terminal and the application requirements of the mobile service.
However, the base station can only adjust the signal intensity transmitted by the base station according to the pre-configured service rule, for example, adjust the signal intensity according to the position of the mobile phone and the requirement of the mobile service. However, the signal strength is required differently in different scenes, for example, when the micro base station is placed in a desk or a bedroom, if the signal strength is too high, the radiation to the human body is too high. For another example, in a scene where a signal is blocked by a forest, a dense building, or the like, if a tree, a building, or the like is present between the base station and the electronic device, the signal transmission may be unstable if the signal strength is small. It can be seen that the signal strength transmitted by the base station at present cannot adapt to the requirements of different scenes on the signal strength.
Disclosure of Invention
The embodiment of the application aims to provide a method, a base station and a medium for controlling signal intensity, so as to solve the problem that the actual signal intensity of the base station is not matched with the requirements of different scenes on the signal intensity. The specific technical scheme is as follows:
In a first aspect of an embodiment of the present application, a method for controlling signal strength is provided, and the method is applied to a base station, and includes:
Collecting voice data of a user;
Identifying key information included in the voice data;
determining target transmitting power of a target direction indicated by the key information;
and adjusting the transmitting power of the signal in the target direction to be the target transmitting power.
Optionally, the identifying key information included in the voice data includes:
performing voice recognition on the voice data to obtain a voice recognition result;
For each word in the voice recognition result, comparing the word with each keyword in the keyword set one by one, and determining the keyword matched with the word; the key word set comprises a direction key word, a power grade key word and an adjustment trend key word, wherein the direction key word represents a sub-antenna direction of the base station, and the adjustment trend key word represents an adjustment trend of increasing or decreasing transmission power;
and taking the matched keywords as key information included in the voice data.
Optionally, the determining the target transmitting power of the target direction indicated by the key information includes:
Determining the target direction as the direction indicated by the direction key words included in the key information;
If the key information comprises a power level key word, determining that the target transmitting power is the transmitting power corresponding to the power level represented by the power level key word according to a preset corresponding relation between the power level and the transmitting power in an information association library; or if the key information comprises the adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend indicated by the adjustment trend key word to obtain the target transmitting power.
Optionally, the adjusting the current transmitting power of the target direction according to the adjustment trend indicated by the adjustment trend keyword to obtain the target transmitting power includes:
if the adjustment trend is to increase the transmitting power, increasing the power level of the current transmitting power by a preset level or increasing the current transmitting power by a preset power to obtain the target transmitting power; or alternatively
And if the adjustment trend is to reduce the transmitting power, reducing the power level of the current transmitting power by the preset level or reducing the current transmitting power by the preset power to obtain the target transmitting power.
Optionally, the direction key comprises a coordinate point in a preset coordinate system, the origin of coordinates of the preset coordinate system is the center point of the base station or the center point of the signal antenna in the base station, the X axis and the Y axis of the preset coordinate system are parallel to the horizontal plane, and the Z axis of the preset coordinate system is perpendicular to the horizontal plane;
determining that the target direction is the direction indicated by the direction key words included in the key information comprises:
Determining a target coordinate point in a direction keyword included in the key information;
And taking the sub-antenna direction corresponding to the target coordinate point as the target direction according to a preset corresponding relation between each coordinate point and the sub-antenna direction on a preset coordinate system recorded in the information association library.
In a second aspect of an embodiment of the present application, there is provided a base station, including: the system comprises a sound acquisition module, a sound identification module, a shaping comprehensive calculation module and a digital beam shaper;
The sound collection module is used for collecting voice data of a user;
The voice recognition module is used for recognizing key information included in the voice data acquired by the voice acquisition module;
The shaping comprehensive calculation module is used for determining target transmitting power of the target direction indicated by the key information identified by the voice identification module;
The digital beam shaper is used for adjusting the transmitting power of the signal in the target direction to the target transmitting power determined by the shaping comprehensive calculation module.
Optionally, the voice recognition module is specifically configured to:
performing voice recognition on the voice data to obtain a voice recognition result;
For each word in the voice recognition result, comparing the word with each keyword in the keyword set one by one, and determining the keyword matched with the word; the key word set comprises a direction key word, a power grade key word and an adjustment trend key word, wherein the direction key word represents a sub-antenna direction of the base station, and the adjustment trend key word represents an adjustment trend of increasing or decreasing transmission power;
and taking the matched keywords as key information included in the voice data.
Optionally, the base station further includes a coordinate module;
The coordinate module is used for determining the target direction as the direction indicated by the direction key words included in the key information;
The shaping comprehensive calculation module is specifically configured to determine, if the key information includes a power level keyword, that the target transmission power is a transmission power corresponding to a power level indicated by the power level keyword according to a preset correspondence between a power level in an information association library and a transmission power; or if the key information comprises the adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend indicated by the adjustment trend key word to obtain the target transmitting power.
Optionally, the shaping comprehensive calculation module is specifically configured to:
if the adjustment trend is to increase the transmitting power, increasing the power level of the current transmitting power by a preset level or increasing the current transmitting power by a preset power to obtain the target transmitting power; or alternatively
And if the adjustment trend is to reduce the transmitting power, reducing the power level of the current transmitting power by the preset level or reducing the current transmitting power by the preset power to obtain the target transmitting power.
Optionally, the direction key comprises a coordinate point in a preset coordinate system, the origin of coordinates of the preset coordinate system is the center point of the base station or the center point of the signal antenna in the base station, the X axis and the Y axis of the preset coordinate system are parallel to the horizontal plane, and the Z axis of the preset coordinate system is perpendicular to the horizontal plane; the coordinate module is specifically configured to:
Determining a target coordinate point in a direction keyword included in the key information;
And taking the sub-antenna direction corresponding to the target coordinate point as the target direction according to a preset corresponding relation between each coordinate point and the sub-antenna direction on a preset coordinate system recorded in the information association library.
Optionally, the base station further includes: an analog beamformer; the digital beam shaper is connected with the analog beam shaper through a Radio Frequency (RF) chain; the digital beam shaper is specifically configured to:
And controlling the analog beam shaper to transmit signals through the signal antenna according to the target direction determined by the coordinate module and the target transmitting power calculated by the shaping comprehensive calculation module.
In a third aspect of an embodiment of the present application, there is provided a base station, including:
at least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of controlling signal strength of any one of the above.
In a fourth aspect of embodiments of the present application, there is provided a non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform a method of controlling signal strength according to any one of the above.
In a fifth aspect of embodiments of the present application, a computer program product is provided, comprising a computer program which, when executed by a processor, implements a method of controlling signal strength according to any of the above.
The embodiment of the application has the beneficial effects that:
The method, the base station and the medium for controlling the signal strength can identify key information included in voice data of a user, then determine target transmitting power of a target direction indicated by the key information, and then adjust the transmitting power of a signal of the target direction to the target transmitting power. Therefore, in the embodiment of the application, the base station can determine the signal intensity requirement of the current scene on the target direction through the voice data, and adjust the transmitting power of the target direction according to the signal intensity requirement, so that the actual signal intensity of the base station is matched with the signal intensity requirement of different scenes.
Of course, it is not necessary for any one product or method of practicing the application to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and other embodiments may be obtained according to these drawings to those skilled in the art.
FIG. 1 is a flowchart of a method for controlling signal strength according to an embodiment of the present application;
Fig. 2 is an exemplary schematic diagram of a base station according to an embodiment of the present application;
FIG. 3 is a flowchart of another method for controlling signal strength according to an embodiment of the present application;
Fig. 4 is an exemplary schematic diagram of a base station structure according to an embodiment of the present application;
fig. 5 is an exemplary schematic diagram of another base station structure according to an embodiment of the present application;
Fig. 6 is an exemplary schematic diagram of another base station structure according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by the person skilled in the art based on the present application are included in the scope of protection of the present application.
In order to solve the problem that the actual signal strength of a base station is not matched with the requirements of different scenes on the signal strength, the embodiment of the application provides a method for controlling the signal strength. The method is applied to a base station, which may typically be located closer to the user, e.g. the base station may be placed on a desk or in a bedroom. Accordingly, the base station may be a small base station, such as a micro base station. As shown in fig. 1, the method for controlling the signal strength includes the steps of:
S101, collecting voice data of a user.
In one implementation, the base station may collect voice data of the user after receiving the wake-up word spoken by the user.
S102, identifying key information included in the voice data.
In one implementation, voice data may be voice-recognized to obtain a voice recognition result, and a keyword for representing a direction and a keyword for representing a transmission power may be extracted from the voice recognition result.
Optionally, the voice recognition method adopted in the embodiment of the present application may be: the embodiments of the present application are not limited in particular to algorithms based on dynamic time warping (DYNAMIC TIME WARPING), methods based on hidden markov models (Hidden Markov Model, HMM) of parametric models, methods based on vector quantization (Vector Quantization, VQ) of non-parametric models, or algorithms based on artificial neural networks (ARTIFICIAL NEURAL NETWORK, ANN), etc.
S103, determining target transmitting power of a target direction indicated by the key information.
The target direction represents a sub-antenna direction of a signal antenna in the base station, and the target transmitting power is the power of the signal transmitted by the base station.
In the embodiment of the present application, the voice data of the user needs to include data indicating the target direction and data indicating the target transmitting power. If the key information does not indicate a direction or does not indicate a transmit power, the user may be prompted to re-control. For example, play a voice prompt: "please speak again".
S104, adjusting the transmission power of the signal in the target direction to be the target transmission power.
In the embodiment of the application, after the target transmitting power of the target direction is adjusted, the signal is transmitted according to the target transmitting power in the target direction based on the beam forming technology.
The method for controlling the signal strength can identify key information included in voice data of a user, then determine target transmitting power in a target direction indicated by the key information, and then adjust the transmitting power of signals in the target direction to be the target transmitting power. Therefore, in the embodiment of the application, the base station can determine the signal intensity requirement of the current scene on the target direction through the voice data, and adjust the transmitting power of the target direction according to the signal intensity requirement, so that the actual signal intensity of the base station is matched with the signal intensity requirement of different scenes.
In the embodiment of the application, before receiving the voice data sent by the user in S101, the data modeling needs to be completed in advance to obtain the preset coordinate system, the keyword set and the information association library, and the result obtained in the data modeling process can be issued to the base station by the manufacturer or the operator of the base station. The specific data modeling process is as follows:
(1) And establishing a preset coordinate system.
As shown in fig. 2, the object in fig. 2 is a base station, the base station includes a coordinate module, and the base station can establish an X axis and a Y axis in a horizontal plane by using a center point of the base station or a center point of a signal antenna as a coordinate origin, and establish a Z axis perpendicular to the horizontal plane to obtain a preset coordinate system.
The signal antenna comprises a plurality of sub-antennas, the directions of the sub-antennas are different, the overall shape of the signal antenna can be spherical or hemispherical, and the center point of the signal antenna is the center of sphere or the center of the hemispherical bottom surface.
Alternatively, the X-axis, Y-axis, and Z-axis directions may be referred to as coordinate directions.
(2) The sub-antenna direction is established.
The base station can establish space coordinates for the direction of each sub-antenna of the signal antenna under a preset coordinate system through a coordinate module, and the direction of the sub-antenna can be represented by a vector.
For example, as shown in fig. 2, the signal antennas in the base station may be multiple-in multiple-out (MIMO) antenna arrays, where each dot in the MIMO antenna array in fig. 2 represents a sub-antenna.
(3) A voice recognition direction is established.
The sub-antenna direction may be translated in advance. For example, the housing of the base station or the housing of the signal antenna in the base station may be set to be spherical, and a plurality of coordinate points may be marked on the spherical housing, for example, the coordinate points include (X1,Y1,Z1)、(X2,Y2,Z2)、.....、(Xi、Yj、Zk1). each corresponding to one sub-antenna direction, so that a user can distinguish directions according to the coordinate points to accurately control the beam direction in which the power needs to be adjusted.
The directions of the coordinate points relative to the coordinate origin of the preset coordinate system can be called translation directions.
(4) The power level is set.
And setting a plurality of power levels, wherein each power level corresponds to one transmitting power, and the transmitting power corresponding to each power level is in a power range between the maximum transmitting power and the minimum transmitting power of the base station. Alternatively, the higher the power level, the greater the corresponding transmit power; accordingly, the lower the power level, the less the corresponding transmit power.
For example, the correspondence between the transmission power and the power level is shown in table one:
List one
Transmit power (unit: watt (W)) Power class
1 First level of
2 Second level of
3 Third grade of
… …
K Class K
(5) And establishing keyword information of voice recognition.
And establishing and configuring the keywords of the voice recognition in the base station to obtain a keyword set. Wherein the keyword set includes a direction keyword, a power level keyword, and an adjustment trend keyword.
The direction key represents the translation direction, each direction key corresponds to a sub-antenna direction, and thus the direction key represents a sub-antenna direction of the base station. For example, the direction key includes: "(X 1,Y1,Z1) direction", "(X 2,Y2,Z2) direction", "(X i、Yj、Zk1) direction", and the like.
The power class key indicates a class of signal transmission power of the base station. For example, the power class key includes: "first level", "second level", "highest level", "lowest level", and "intermediate level", etc.
The adjustment trend key represents an adjustment trend of increasing the transmission power or decreasing the transmission power. For example, adjusting the trend key includes: "power up", "power down", "turn up" and "turn down", etc.
(6) Establishing information association library
And corresponding the coordinate direction, the sub-antenna direction and the translation direction, and corresponding the power class and the transmitting power one by one to obtain an information association library.
In one embodiment of the present application, the manner of identifying the key information included in the voice data in S102 includes:
And performing voice recognition on the voice data to obtain a voice recognition result, wherein the voice recognition result is a text obtained by converting the voice data. And then, comparing each word in the voice recognition result with each keyword in the keyword set obtained in the step (5) of the data modeling process one by one, and determining the keywords matched with the word. The matched keyword is then used as key information included in the voice data.
Wherein, if a word in the speech recognition result does not match each keyword in the keyword set, the word is ignored.
Alternatively, if the term is identical to the keyword, it is determined that the term matches the keyword. If the term is not identical to the keyword, it is determined that the term does not match the keyword.
Or calculating the similarity between the words and the keywords, and if the similarity between the words and the keywords is greater than a preset threshold value, determining that the words and the keywords are matched. And if the similarity between the words and the keywords is smaller than or equal to a preset threshold value, determining that the words and the keywords are not matched. For example, in the case where the word and the keyword are paraphrased, the similarity between the word and the keyword is high, and it can be determined that the two match.
By adopting the method, the embodiment of the application can determine the key information included in the voice data, thereby identifying the direction in which the user needs to adjust the transmitting power and the requirement of the user on the transmitting power.
In one embodiment of the present application, referring to fig. 3, the manner of determining the target transmit power in the target direction indicated by the key information in S103 includes the following steps:
S1031, determining the target direction as the direction indicated by the direction key words included in the key information.
The direction key words comprise coordinate points in a preset coordinate system, the origin of coordinates of the preset coordinate system is the center point of the base station or the center point of the signal antenna in the base station, the X axis and the Y axis of the preset coordinate system are parallel to the horizontal plane, the Z axis of the preset coordinate system is perpendicular to the horizontal plane, and the preset coordinate system is established through the data modeling process (1).
In one implementation manner, a target coordinate point in a direction keyword included in the key information can be determined, and then a sub-antenna direction corresponding to the target coordinate point is used as a target direction according to a preset corresponding relation between each coordinate point and the sub-antenna direction on a preset coordinate system recorded in an information association library. Wherein, the sub-antenna is an array element in the signal antenna of the base station.
For example, the direction key "(X 1、Y1、Z1) direction" includes a target coordinate point "(X 1、Y1、Z1)".
The target coordinate point is one of the coordinate points marked on the spherical shell in the sound recognition direction established in the step (3), and the target coordinate point can be called a translation direction.
And (3) establishing all coordinate points marked on the spherical shell in the voice recognition direction for all coordinate points on the preset coordinate system.
By adopting the method, the embodiment of the application can determine the direction of the sub-antenna corresponding to the target direction aimed by the voice data, thereby accurately controlling the transmitting power of the direction aimed by the user.
S1032, if the key information comprises the power level key, determining that the target transmitting power is the transmitting power corresponding to the power level represented by the power level key according to the preset corresponding relation between the power level and the transmitting power in the information association library; or if the key information comprises the adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend indicated by the adjustment trend key word to obtain the target transmitting power.
For example, the speech recognition result is "adjust signal power in the (X 1、Y1、Z1) direction to the first level", which includes the direction key "(X 1、Y1、Z1) direction" and the power level key "first level". According to table one, the power in the (X 1、Y1、Z1) direction is set to 1.
In one implementation, if the adjustment trend is to increase the transmission power, the power level of the current transmission power is increased by a preset level or the current transmission power is increased by a preset power, so as to obtain the target transmission power. Or if the adjustment trend is to reduce the transmitting power, reducing the power level of the current transmitting power by a preset level or reducing the current transmitting power by the preset power to obtain the target transmitting power.
The preset level and the preset power may be preset according to practical situations, for example, the preset level is a level, and the preset power is 1W.
For example, the speech recognition result is "turn down the signal power in the (X 1、Y1、Z1) direction", which includes the direction key "(X 1、Y1、Z1) direction" and the adjustment trend key "turn down". Assuming that the preset power is 1W and the current transmission power in the (X 1、Y1、Z1) direction is 6W, the transmission power in the (X 1、Y1、Z1) direction is adjusted to 6W-1 w=5w.
In the embodiment of the application, under the condition that the adjustment trend is to increase the transmitting power, if the current transmitting power in the target direction is the maximum transmitting power of the base station, the current transmitting power is not adjusted. Accordingly, in the case where the adjustment trend is to reduce the transmission power, if the current transmission power of the target direction is the minimum transmission power of the base station, the current transmission power is not adjusted.
Alternatively, if the key information does not include the direction key, or includes only the direction key, a voice prompt may be issued to prompt the user to re-control. For example, the voice prompt is "please speak again".
By adopting the method, the embodiment of the application can quickly increase or decrease the signal transmitting power in the target direction according to the requirement of the user by carrying out voice recognition on the voice data, so that the beam forming function is more accurate and more intelligent, and the application range of the embodiment of the application is wider.
For example, when the person is closer to the base station, the user can send out the voice data for reducing the signal transmitting power in the direction aiming at the direction of the person, and after receiving the voice data, the base station reduces the signal transmitting power in the direction, thereby reducing the radiation of the sent signal to the person and enabling the operation of the base station to be more environment-friendly.
For example, when the base station is installed in a scene where signal blocking is large, such as a building or a tree, if a terminal communicating with the base station is blocked by a building or a tree, the user can send out voice data for increasing the signal transmission power in the direction in which the terminal is located, and after receiving the voice data, the base station increases the signal transmission power in the direction, thereby improving the communication stability between the base station and the terminal.
For another example, when the base station is installed near a precision instrument or meter factory, a user can send out voice data for reducing the signal transmission power in the direction for the instrument or meter, and after receiving the voice data, the base station reduces the signal transmission power in the direction, thereby reducing the interference of the sent signal to the instrument or meter.
Corresponding to the above method embodiment, the embodiment of the present application further provides a base station, as shown in fig. 4, including: a sound collection module 401, a sound recognition module 402, a shaping comprehensive calculation module 403 and a digital beam shaper 404;
a sound collection module 401, configured to collect voice data of a user;
A voice recognition module 402, configured to recognize key information included in the voice data collected by the voice collection module 401;
A shaping comprehensive calculation module 403, configured to determine a target transmission power of a target direction indicated by the key information identified by the voice identification module 402;
a digital beamformer 404 for adjusting the transmission power of the signal in the target direction to the target transmission power determined by the comprehensive computation module 403.
In the base station for controlling signal intensity provided by the embodiment of the application, the voice recognition module can recognize the key information included in the voice data of the user, then the shaping comprehensive calculation module determines the target transmitting power of the target direction indicated by the key information, and the digital beam shaper adjusts the transmitting power of the signal of the target direction to the target transmitting power. Therefore, in the embodiment of the application, the base station can determine the signal intensity requirement of the current scene on the target direction through the voice data, and adjust the transmitting power of the target direction according to the signal intensity requirement, so that the actual signal intensity of the base station is matched with the signal intensity requirement of different scenes.
Optionally, the voice recognition module 402 is specifically configured to:
performing voice recognition on the voice data to obtain a voice recognition result;
For each word in the voice recognition result, comparing the word with each keyword in the keyword set one by one, and determining the keyword matched with the word; the key word set comprises a direction key word, a power grade key word and an adjustment trend key word, wherein the direction key word represents a sub-antenna direction of the base station, and the adjustment trend key word represents an adjustment trend of increasing transmission power or decreasing transmission power;
and taking the matched keywords as key information included in the voice data.
Optionally, as shown in fig. 5, the base station further includes a coordinate module 405;
A coordinate module 405, configured to determine that the target direction is a direction represented by a direction key included in the key information;
The shaping comprehensive calculation module 403 is specifically configured to determine, if the key information includes a power class keyword, that the target transmission power is a transmission power corresponding to a power class represented by the power class keyword according to a preset correspondence between a power class in the information association library and the transmission power; or if the key information comprises the adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend indicated by the adjustment trend key word to obtain the target transmitting power.
Optionally, the shaping comprehensive calculation module 403 is specifically configured to:
If the adjustment trend is to increase the transmitting power, the power level of the current transmitting power is increased by a preset level or the current transmitting power is increased by a preset power to obtain the target transmitting power; or alternatively
If the adjustment trend is to reduce the transmitting power, the power level of the current transmitting power is reduced by a preset level or the current transmitting power is reduced by the preset power, and the target transmitting power is obtained.
Optionally, the direction key comprises a coordinate point in a preset coordinate system, the origin of coordinates of the preset coordinate system is a center point of the base station or a center point of a signal antenna in the base station, an X axis and a Y axis of the preset coordinate system are parallel to the horizontal plane, and a Z axis of the preset coordinate system is perpendicular to the horizontal plane; the coordinate module 405 is specifically configured to:
determining a target coordinate point in a direction keyword included in the key information;
And taking the sub-antenna direction corresponding to the target coordinate point as the target direction according to a preset corresponding relation between each coordinate point and the sub-antenna direction on a preset coordinate system recorded in the information association library.
Optionally, as shown in fig. 5, the base station further includes: an analog beamformer 407; the digital beamformer 404 is connected to the analog beamformer 407 via a Radio Frequency (RF) chain 406, the RF chain 406 being the control link of the analog beamformer 407.
A digital beamformer 404, specifically for: the analog beamformer 407 is controlled to transmit signals via the signal antenna 408 based on the target direction determined by the coordinates module 405 and the target transmit power calculated by the comprehensive calculation module 403.
As shown in fig. 5, there are n RF chains 406 between the digital beamformer 404 and the analog beamformer 407, one signal being transmitted through each RF chain 406, only two RF chains 406 being shown in fig. 5. The signal antenna 408 has n sub-antennas, only two of which are shown in fig. 5.
In the embodiment of the present application, the digital beamformer 404 and the analog beamformer 407 may have the functions described above, and may also realize other functions that can be realized by themselves. The digital beamformer 404 may also adjust the signal-to-noise ratio of the communication link between the base station and the terminal, for example, based on the quality of the communication link.
The embodiment of the present application also provides a base station, as shown in fig. 6, including a processor 601, a communication interface 602, a memory 603, and a communication bus 604, where the processor 601, the communication interface 602, and the memory 603 perform communication with each other through the communication bus 604,
A memory 603 for storing a computer program;
The processor 601 is configured to implement the method steps in the above-described method embodiment when executing the program stored in the memory 603.
The communication bus mentioned above for the electronic device may be a peripheral component interconnect standard (PERIPHERAL COMPONENT INTERCONNECT, PCI) bus or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, etc. The communication bus may be classified as an address bus, a data bus, a control bus, or the like. For ease of illustration, the figures are shown with only one bold line, but not with only one bus or one type of bus.
The communication interface is used for communication between the electronic device and other devices.
The Memory may include random access Memory (Random Access Memory, RAM) or may include Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the aforementioned processor.
The processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; but may also be a digital signal Processor (DIGITAL SIGNAL Processor, DSP), application SPECIFIC INTEGRATED Circuit (ASIC), field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA) or other Programmable logic device, discrete gate or transistor logic device, discrete hardware components.
In yet another embodiment of the present invention, there is also provided a computer readable storage medium having stored therein a computer program which when executed by a processor implements the steps of any of the methods of controlling signal strength described above.
In yet another embodiment of the present invention, there is also provided a computer program product containing instructions which, when run on a computer, cause the computer to perform the method of controlling signal strength of any of the above embodiments.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the present invention, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired (e.g., coaxial cable, optical fiber, digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid state disk Solid STATE DISK (SSD)), etc.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the base station embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and the relevant points are referred to in the description of the method embodiment.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims (11)

1. A method of controlling signal strength, for use in a base station, the method comprising:
Collecting voice data of a user;
identifying key information included in the voice data includes: performing voice recognition on the voice data to obtain a voice recognition result; for each word in the voice recognition result, comparing the word with each keyword in the keyword set one by one, and determining the keyword matched with the word; the key word set comprises a direction key word, a power grade key word and an adjustment trend key word, wherein the direction key word represents a sub-antenna direction of the base station, and the adjustment trend key word represents an adjustment trend of increasing or decreasing transmission power; the matched keywords are used as key information included in the voice data;
determining target transmitting power of a target direction indicated by the key information;
and adjusting the transmitting power of the signal in the target direction to be the target transmitting power.
2. The method of claim 1, wherein the determining the target transmit power for the target direction indicated by the critical information comprises:
Determining the target direction as the direction indicated by the direction key words included in the key information;
If the key information comprises a power level key word, determining that the target transmitting power is the transmitting power corresponding to the power level represented by the power level key word according to a preset corresponding relation between the power level and the transmitting power in an information association library; or if the key information comprises the adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend indicated by the adjustment trend key word to obtain the target transmitting power.
3. The method of claim 2, wherein adjusting the current transmit power of the target direction according to the adjustment trend indicated by the adjustment trend key to obtain the target transmit power comprises:
if the adjustment trend is to increase the transmitting power, increasing the power level of the current transmitting power by a preset level or increasing the current transmitting power by a preset power to obtain the target transmitting power; or alternatively
And if the adjustment trend is to reduce the transmitting power, reducing the power level of the current transmitting power by the preset level or reducing the current transmitting power by the preset power to obtain the target transmitting power.
4. A method according to claim 2 or 3, wherein the direction key comprises a coordinate point in a preset coordinate system, the origin of coordinates of the preset coordinate system is the center point of the base station or the center point of the signal antenna in the base station, the X-axis and the Y-axis of the preset coordinate system are both parallel to a horizontal plane, and the Z-axis of the preset coordinate system is perpendicular to the horizontal plane;
determining that the target direction is the direction indicated by the direction key words included in the key information comprises:
Determining a target coordinate point in a direction keyword included in the key information;
And taking the sub-antenna direction corresponding to the target coordinate point as the target direction according to a preset corresponding relation between each coordinate point and the sub-antenna direction on a preset coordinate system recorded in the information association library.
5. A base station, comprising: the system comprises a sound acquisition module, a sound identification module, a shaping comprehensive calculation module and a digital beam shaper;
The sound collection module is used for collecting voice data of a user;
The voice recognition module is used for recognizing key information included in the voice data acquired by the voice acquisition module, and is specifically used for: performing voice recognition on the voice data to obtain a voice recognition result; for each word in the voice recognition result, comparing the word with each keyword in the keyword set one by one, and determining the keyword matched with the word; the key word set comprises a direction key word, a power grade key word and an adjustment trend key word, wherein the direction key word represents a sub-antenna direction of the base station, and the adjustment trend key word represents an adjustment trend of increasing or decreasing transmission power; the matched keywords are used as key information included in the voice data;
The shaping comprehensive calculation module is used for determining target transmitting power of the target direction indicated by the key information identified by the voice identification module;
The digital beam shaper is used for adjusting the transmitting power of the signal in the target direction to the target transmitting power determined by the shaping comprehensive calculation module.
6. The base station of claim 5, further comprising a coordinate module;
The coordinate module is used for determining the target direction as the direction indicated by the direction key words included in the key information;
The shaping comprehensive calculation module is specifically configured to determine, if the key information includes a power level keyword, that the target transmission power is a transmission power corresponding to a power level indicated by the power level keyword according to a preset correspondence between a power level in an information association library and a transmission power; or if the key information comprises the adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend indicated by the adjustment trend key word to obtain the target transmitting power.
7. The base station according to claim 6, wherein the shaping synthesis calculation module is specifically configured to:
if the adjustment trend is to increase the transmitting power, increasing the power level of the current transmitting power by a preset level or increasing the current transmitting power by a preset power to obtain the target transmitting power; or alternatively
And if the adjustment trend is to reduce the transmitting power, reducing the power level of the current transmitting power by the preset level or reducing the current transmitting power by the preset power to obtain the target transmitting power.
8. The base station according to claim 6 or 7, wherein the direction key comprises a coordinate point in a preset coordinate system, a coordinate origin of the preset coordinate system is a center point of the base station or a center point of a signal antenna in the base station, an X axis and a Y axis of the preset coordinate system are parallel to a horizontal plane, and a Z axis of the preset coordinate system is perpendicular to the horizontal plane; the coordinate module is specifically configured to:
Determining a target coordinate point in a direction keyword included in the key information;
And taking the sub-antenna direction corresponding to the target coordinate point as the target direction according to a preset corresponding relation between each coordinate point and the sub-antenna direction on a preset coordinate system recorded in the information association library.
9. The base station of claim 8, wherein the base station further comprises: an analog beamformer; the digital beam shaper is connected with the analog beam shaper through a Radio Frequency (RF) chain; the digital beam shaper is specifically configured to:
And controlling the analog beam shaper to transmit signals through the signal antenna according to the target direction determined by the coordinate module and the target transmitting power calculated by the shaping comprehensive calculation module.
10. The base station is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus;
a memory for storing a computer program;
a processor for carrying out the method steps of any one of claims 1-4 when executing a program stored on a memory.
11. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored therein a computer program which, when executed by a processor, implements the method steps of any of claims 1-4.
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