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CN114375031A - 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
CN114375031A
CN114375031A CN202111593003.7A CN202111593003A CN114375031A CN 114375031 A CN114375031 A CN 114375031A CN 202111593003 A CN202111593003 A CN 202111593003A CN 114375031 A CN114375031 A CN 114375031A
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target
power
keyword
transmitting power
base station
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CN114375031B (en
Inventor
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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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, a base station and a medium for controlling signal strength, relates to the technical field of beam forming, and can enable the signal strength transmitted by the base station to adapt to the requirements of different scenes on the signal strength. The technical scheme of the application includes: voice data of a user is collected, and then key information included in the voice data is recognized. And then 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 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, beamforming Technology is widely used in fields such as 5th Generation Mobile Communication Technology (5G). For example, the base station may automatically adjust the direction of the transmitted signal based on the beamforming technology according to the location of the user terminal and the application requirements of the mobile service.
However, currently, the base station can only adjust the signal strength transmitted by the base station according to the preconfigured service rule, for example, adjust the signal strength according to the mobile phone location and the mobile service requirement. However, the signal strength requirement is different in different situations, for example, when the micro base station is placed in a desk or a bedroom, the signal strength is too high, which may cause too much radiation to the human body. For example, in a scene with a large signal blockage such as a forest or a dense building, if a shelter such as a tree or a building exists between the base station and the electronic device, the signal transmission may be unstable if the signal strength is low. It can be seen that the signal strength transmitted by the base station at present cannot meet the requirements of different scenes on the signal strength.
Disclosure of Invention
An object of the embodiments of the present application is to provide a method, a base station, and a medium for controlling signal strength, so as to solve the problem that the actual signal strength of the base station is not matched with the requirements of different scenes on the signal strength. The specific technical scheme is as follows:
in a first aspect of the embodiments of the present application, a method for controlling signal strength is provided, which is applied to a base station, and the method 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 transmission power of the signal in the target direction to the target transmission 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;
aiming at each word in the voice recognition result, comparing the word with each keyword in a keyword set one by one, and determining the keyword matched with the word; the keyword set comprises a direction keyword, a power grade keyword and an adjustment trend keyword, wherein the direction keyword represents a sub-antenna direction of the base station, and the adjustment trend keyword represents an adjustment trend of increasing transmission power or decreasing transmission power;
the matched keyword is used as key information included in the voice data.
Optionally, the determining the target transmission power of the target direction indicated by the key information includes:
determining the target direction as the direction represented by the direction keywords included in the key information;
if the key information comprises a power level key word, determining the target transmitting power as 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 in an information association library and the transmitting power; or if the key information includes an adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend represented by the adjustment trend key word to obtain the target transmitting power.
Optionally, the adjusting the current transmission power of the target direction according to the adjustment trend represented by the adjustment trend keyword to obtain the target transmission power includes:
if the adjustment trend is that the transmitting power is increased, 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,
and if the adjustment trend is that the transmitting power is reduced, 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 keyword includes a coordinate point in a preset coordinate system, an origin of coordinates of the preset coordinate system is a central point of the base station or a central point of a signal antenna in the base station, an X axis and a Y axis of the preset coordinate system are both parallel to a horizontal plane, and a Z axis of the preset coordinate system is perpendicular to the horizontal plane;
determining the target direction as a direction represented by a direction keyword included in the key information, including:
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 the preset corresponding relation between each coordinate point and the sub-antenna direction on the preset coordinate system recorded in the information association library.
In a second aspect of the embodiments of the present application, a base station is provided, including: the device comprises a sound acquisition module, a sound identification module, a shaping comprehensive calculation module and a digital beam shaping device;
the voice acquisition module is used for acquiring voice data of a user;
the voice recognition module is used for recognizing key information included in the voice data collected by the voice collection module;
the forming comprehensive calculation module is used for determining the target transmitting power of the target direction indicated by the key information identified by the voice identification module;
the digital beam former is used for adjusting the transmitting power of the signal in the target direction to the target transmitting power determined by the forming 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;
aiming at each word in the voice recognition result, comparing the word with each keyword in a keyword set one by one, and determining the keyword matched with the word; the keyword set comprises a direction keyword, a power grade keyword and an adjustment trend keyword, wherein the direction keyword represents a sub-antenna direction of the base station, and the adjustment trend keyword represents an adjustment trend of increasing transmission power or decreasing transmission power;
the matched keyword is used 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 represented by the direction keywords included in the key information;
the forming comprehensive calculation module is specifically configured to determine, if the key information includes a power level keyword, the target transmission power as the transmission power corresponding to the power level represented by the power level keyword according to a preset corresponding relationship between the power level and the transmission power in an information association library; or if the key information includes an adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend represented by the adjustment trend key word to obtain the target transmitting power.
Optionally, the forming comprehensive calculation module is specifically configured to:
if the adjustment trend is that the transmitting power is increased, 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,
and if the adjustment trend is that the transmitting power is reduced, 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 keyword includes a coordinate point in a preset coordinate system, an origin of coordinates of the preset coordinate system is a central point of the base station or a central point of a signal antenna in the base station, an X axis and a Y axis of the preset coordinate system are both 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 the preset corresponding relation between each coordinate point and the sub-antenna direction on the preset coordinate system recorded in the information association library.
Optionally, the base station further includes: an analog beamformer; the digital beamformer and the analog beamformer are connected by a Radio Frequency (RF) chain; the digital beamformer is specifically configured to:
and controlling the analog beam former 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 forming comprehensive calculation module.
In a third aspect of the embodiments of the present application, a base station is provided, 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 any of the above methods of controlling signal strength.
In a fourth aspect of embodiments of the present application, there is provided a non-transitory computer readable storage medium having stored thereon computer instructions for causing the computer to perform the method of controlling signal strength according to any one of the above.
In a fifth aspect of embodiments of the present application, there is provided a computer program product comprising a computer program which, when executed by a processor, implements a method of controlling signal strength according to any one of the above.
The embodiment of the application has the following beneficial effects:
the method, the base station and the medium for controlling the signal strength provided by the embodiment of the application can identify the key information included in the voice data of the user, then determine the target transmitting power of the target direction indicated by the key information, and then adjust 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 requirements of different scenes.
Of course, not all advantages described above need to be achieved at the same time in the practice of any one product or method of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by referring to these drawings.
Fig. 1 is a flowchart of a method for controlling signal strength according to an embodiment of the present disclosure;
fig. 2 is an exemplary diagram of a base station according to an embodiment of the present disclosure;
FIG. 3 is a flow chart of another method for controlling signal strength according to an embodiment of the present disclosure;
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 provided in an embodiment of the present application;
fig. 6 is an exemplary schematic diagram of another base station structure provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the description herein are intended to be within the scope of the present disclosure.
In order to solve the problem that the actual signal intensity of a base station is not matched with the signal intensity requirements of different scenes, the embodiment of the application provides a method for controlling the signal intensity. The method is applied to a base station, which can be generally arranged at a position close to a user, for example, the base station can be placed on an office table 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 signal strength includes the following steps:
s101, voice data of a user are collected.
In one implementation, the base station may collect voice data of the user after receiving the wake-up word spoken by the user.
S102, key information included in the voice data is recognized.
In one implementation, voice recognition may be performed on the voice data to obtain a voice recognition result, and a keyword for indicating a direction and a keyword for indicating a transmission power may be extracted from the voice recognition result.
Optionally, the speech recognition method adopted in the embodiment of the present application may be: the embodiment of the present invention is not limited in particular to an algorithm based on Dynamic Time Warping (Dynamic Time Warping), a method based on a Hidden Markov Model (HMM) based on a parametric Model, a method based on Vector Quantization (VQ) based on a non-parametric Model, or an algorithm based on an Artificial Neural Network (ANN).
S103, determining the target transmitting power of the 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 transmission power is the power of a 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 transmission power. If the critical information does not have the indicated direction or no indicated transmit power, the user may be prompted to re-control. For example, play voice prompt: "please restate".
And S104, adjusting the transmitting power of the signal in the target direction to the target transmitting power.
In the embodiment of the present application, after the target transmission power in the target direction is adjusted, a signal is transmitted in the target direction according to the target transmission power based on a beamforming technology.
The method for controlling the signal strength provided by the embodiment of the application can identify the key information included in the voice data of the user, then determine the target transmitting power of the target direction indicated by the key information, and then adjust 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 requirements of different scenes.
In the embodiment of the application, before S101 receives voice data sent by a user, data modeling needs to be completed in advance to obtain a preset coordinate system, a keyword set, and an information association library, and a result obtained in the data modeling process may be issued to a base station by a manufacturer or an 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 may establish an X axis and a Y axis on a horizontal plane and a Z axis perpendicular to the horizontal plane by using a central point of the base station or a central point of the signal antenna as a coordinate origin through the coordinate module, so as 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 like, and the center point of the signal antenna is the spherical center or the center of the hemispherical bottom.
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 a space coordinate 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 a multiple-in-multiple-out (MIMO) antenna array, and each circular dot in the MIMO antenna array in fig. 2 represents a sub-antenna.
(3) A voice recognition direction is established.
The sub-antenna directions 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 including, for example, (X) may be marked on the spherical housing1，Y1，Z1)、(X2，Y2，Z2)、.....、(Xi、Yj、Zk1). Each coordinate point corresponds to one sub-antenna direction, so that a user can distinguish the direction according to the coordinate points so as to accurately control the beam direction of which the power needs to be adjusted.
The direction of these coordinate points relative to the origin of coordinates of the preset coordinate system may be referred to as a translation direction.
(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. Optionally, the higher the power level is, the higher the corresponding transmission power is; correspondingly, the lower the power level, the lower the corresponding transmit power.
For example, the correspondence between the transmission power and the power level is shown in table one:
watch 1
Transmitting power (unit: Watt (Watt)t，W)) Power class
1 First class
2 Second level
3 Third level
… …
K Class K
(5) Keyword information for speech recognition is established.
And establishing and configuring keywords of voice recognition in the base station to obtain a keyword set. The keyword set comprises direction keywords, power level keywords and adjustment trend keywords.
The direction keys represent the above translation directions, each direction key corresponding to a sub-antenna direction, and thus the direction keys represent a sub-antenna direction of the base station. For example, the directional keywords include: "(X)1，Y1，Z1) Directions "," (X)2，Y2，Z2) The directions of (X, Z, and Zi、Yj、Zk1) Direction ", etc.
The power class key indicates a class of signal transmission power of the base station. For example, the power class keys include: "first level", "second level", "highest level", "lowest level", and "intermediate level", etc.
The adjustment tendency keyword represents an adjustment tendency to increase the transmission power or decrease the transmission power. For example, adjusting the trend keywords 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 grade and the transmitting power one by one to obtain an information association library.
In an embodiment of the 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, aiming at each word in the voice recognition result, comparing the word with each keyword in the keyword set obtained in the step (5) of the data modeling process one by one, and determining the keyword matched with the word. The matched keyword is then used as key information included in the voice data.
And if one word in the voice recognition result is not matched with each keyword in the keyword set, ignoring the word.
Optionally, if the term is identical to the keyword, the term is determined to match the keyword. If the term and the keyword are not identical, it is determined that the term does not match the keyword.
Or calculating the similarity between the terms and the keywords, and determining that the terms are matched with the keywords if the similarity between the terms and the keywords is greater than a preset threshold value. And if the similarity between the words and the keywords is less 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 similar words, 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 an embodiment of the present application, referring to fig. 3, the manner of determining the target transmission power of the target direction indicated by the key information in the above S103 includes the following steps:
and 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 central point of the base station or the central 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 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, a target coordinate point in a direction keyword included in the key information may be determined, and then a sub-antenna direction corresponding to the target coordinate point may be used as the target direction according to a preset corresponding relationship between each coordinate point and the sub-antenna direction on a preset coordinate system recorded in the information association library. The sub-antenna is an array element in a signal antenna of the base station.
For example, the directional key "(X)1、Y1、Z1) Direction "includes target coordinate points of" (X)1、Y1、Z1)”。
The target coordinate point is one of the coordinate points marked on the spherical shell in the voice recognition direction established in the step (3), and the target coordinate point can be called a translation direction.
And (3) presetting all coordinate points marked on the spherical shell in the voice recognition direction established in the step (3) on the coordinate system.
By adopting the method, the sub-antenna direction corresponding to the target direction to which the voice data aims can be determined, so that the transmitting power of the direction to which the user aims is accurately controlled.
S1032, if the key information comprises a power level key word, determining the target transmitting power as the transmitting power corresponding to the power level represented by the power level key word according to the preset corresponding relation between the power level in the information association library and the transmitting 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 represented by the adjustment trend key word to obtain the target transmitting power.
For example, the speech recognition result is "will (X)1、Y1、Z1) The signal power of the direction is adjusted to a first level ", which includes a direction key" (X)1、Y1、Z1) Direction "and power level key" first level ". According to Table one, will (X)1、Y1、Z1) The power of the 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 pre-configured according to an actual situation, for example, the preset level is one level, and the preset power is 1W.
For example, the speech recognition result is "will (X)1、Y1、Z1) Directional signal power reduction "including directional key" (X)1、Y1、Z1) Direction "and adjust trend keyword" turn down ". Assume that the predetermined power is 1W, and (X)1、Y1、Z1) The current transmit power of the direction is 6W, then (X)1、Y1、Z1) The directional transmission power is adjusted to 6W-1W-5W.
In the embodiment of the present application, in a case that the adjustment trend is to increase the transmission power, if the current transmission power of the target direction is the maximum transmission power of the base station, the current transmission power is not adjusted. Correspondingly, under the condition that 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.
Optionally, if the key information does not include the direction key words, or only includes the direction key words, a voice prompt message may be sent to prompt the user to control again. For example, the voice prompt message is "please speak again".
By adopting the method, the voice data can be subjected to voice recognition, so that the signal transmitting power in the target direction can be rapidly increased or reduced according to the requirements of users, 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 a person is close to the base station, the user can send voice data for reducing the signal transmission power in the direction of the person, and the base station reduces the signal transmission power in the direction after receiving the voice data, so that the radiation of the sent signal to the person is reduced, and the base station is more environment-friendly to operate.
For example, when the base station is installed in a scene with a large signal block, such as near a building or a forest, a terminal communicating with the base station may be blocked by the building or the tree, and the user may send voice data for increasing the signal transmission power in the direction in which the terminal is located.
For another example, when the base station is installed near a precision instrument or an instrument factory, the user may send voice data for reducing the signal transmission power in the direction of the instrument or the instrument, 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 the instrument.
Corresponding to the foregoing method embodiment, an embodiment of the present application further provides a base station, as shown in fig. 4, including: a sound collection module 401, a sound identification module 402, a shaping comprehensive calculation module 403 and a digital beam shaping device 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 acquired by the voice acquisition module 401;
a forming 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;
and a digital beam former 404, configured to adjust the transmission power of the signal in the target direction to the target transmission power determined by the forming comprehensive calculation module 403.
In the base station for controlling signal strength provided by the embodiment of the application, the voice recognition module can recognize key information included in voice data of a user, then the shaping comprehensive calculation module determines target transmitting power of a target direction indicated by the key information, and the digital beam shaping device adjusts 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 requirements of different scenes.
Optionally, the voice recognition module 402 is specifically configured to:
carrying out voice recognition on voice data to obtain a voice recognition result;
aiming at 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 keyword set comprises a direction keyword, a power grade keyword and an adjustment trend keyword, wherein the direction keyword represents a sub-antenna direction of the base station, and the adjustment trend keyword represents an adjustment trend of increasing the transmission power or decreasing the transmission power;
the matched keyword is used 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 the target direction as a direction indicated by a direction keyword included in the key information;
a forming comprehensive calculation module 403, configured to determine, if the key information includes a power level key, a target transmission power as a transmission power corresponding to the power level indicated by the power level key according to a preset corresponding relationship between the power level and the transmission 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 represented by the adjustment trend key word to obtain the target transmitting power.
Optionally, the forming comprehensive calculation module 403 is specifically configured to:
if the adjustment trend is that the transmitting power is increased, the power level of the current transmitting power is increased by a preset level or the current transmitting power is increased by the preset power to obtain target transmitting power; or,
and if the adjustment trend is that the transmitting power is reduced, 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.
Optionally, the direction keyword includes a coordinate point in a preset coordinate system, an origin of coordinates of the preset coordinate system is a central point of the base station or a central point of the signal antenna in the base station, an X axis and a Y axis of the preset coordinate system are both parallel to a 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 the preset corresponding relation between each coordinate point and the sub-antenna direction on the 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 and the analog beamformer 407 are connected by a Radio Frequency (RF) chain 406, and the RF chain 406 is a control chain for the analog beamformer 407.
The digital beamformer 404 is specifically configured to: and controlling the analog beam former 407 to transmit signals through the signal antenna 408 according to the target direction determined by the coordinate module 405 and the target transmitting power calculated by the forming 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, and one signal is transmitted through each RF chain 406, and only two RF chains 406 are shown in fig. 5. There are n sub-antennas for signal antenna 408, 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 implement other functions that can be implemented by themselves, in addition to the above functions. For example, digital beamformer 404 may also adjust the signal-to-noise ratio of the communication link between the base station and the terminal based on the quality of the communication link.
The embodiment of the present application further 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 complete mutual communication 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 method embodiments when executing the program stored in the memory 603.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the electronic equipment and other equipment.
The Memory may include a Random Access Memory (RAM) or a 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 processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
In a further embodiment of the present invention, a computer-readable storage medium is also provided, in which a computer program is stored, which, when being executed by a processor, implements the steps of any of the above-mentioned methods for controlling signal strength.
In yet another embodiment, a computer program product containing instructions is provided, which when run on a computer causes the computer to perform any of the above-described methods of controlling signal strength.
In the above embodiments, the implementation may be wholly or partially realized 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, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. Especially, for the base station embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for relevant points, refer to the partial description of the method embodiment.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (13)

1. A method for controlling signal strength, applied to a base station, the method comprising:
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 transmission power of the signal in the target direction to the target transmission power.
2. The method of claim 1, wherein the identifying key information included in the speech data comprises:
performing voice recognition on the voice data to obtain a voice recognition result;
aiming at each word in the voice recognition result, comparing the word with each keyword in a keyword set one by one, and determining the keyword matched with the word; the keyword set comprises a direction keyword, a power grade keyword and an adjustment trend keyword, wherein the direction keyword represents a sub-antenna direction of the base station, and the adjustment trend keyword represents an adjustment trend of increasing transmission power or decreasing transmission power;
the matched keyword is used as key information included in the voice data.
3. The method of claim 2, wherein the determining the target transmission power of the target direction indicated by the key information comprises:
determining the target direction as the direction represented by the direction keywords included in the key information;
if the key information comprises a power level key word, determining the target transmitting power as 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 in an information association library and the transmitting power; or if the key information includes an adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend represented by the adjustment trend key word to obtain the target transmitting power.
4. The method of claim 3, wherein the adjusting the current transmission power of the target direction according to the adjustment trend indicated by the adjustment trend keyword to obtain the target transmission power comprises:
if the adjustment trend is that the transmitting power is increased, 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,
and if the adjustment trend is that the transmitting power is reduced, 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.
5. The method according to claim 3 or 4, wherein the direction keyword 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 a 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 the target direction as a direction represented by a direction keyword included in the key information, including:
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 the preset corresponding relation between each coordinate point and the sub-antenna direction on the preset coordinate system recorded in the information association library.
6. A base station, comprising: the device comprises a sound acquisition module, a sound identification module, a shaping comprehensive calculation module and a digital beam shaping device;
the voice acquisition module is used for acquiring voice data of a user;
the voice recognition module is used for recognizing key information included in the voice data collected by the voice collection module;
the forming comprehensive calculation module is used for determining the target transmitting power of the target direction indicated by the key information identified by the voice identification module;
the digital beam former is used for adjusting the transmitting power of the signal in the target direction to the target transmitting power determined by the forming comprehensive calculation module.
7. The base station of claim 6, wherein the voice recognition module is specifically configured to:
performing voice recognition on the voice data to obtain a voice recognition result;
aiming at each word in the voice recognition result, comparing the word with each keyword in a keyword set one by one, and determining the keyword matched with the word; the keyword set comprises a direction keyword, a power grade keyword and an adjustment trend keyword, wherein the direction keyword represents a sub-antenna direction of the base station, and the adjustment trend keyword represents an adjustment trend of increasing transmission power or decreasing transmission power;
the matched keyword is used as key information included in the voice data.
8. The base station of claim 7, wherein the base station further comprises a coordinate module;
the coordinate module is used for determining the target direction as the direction represented by the direction keywords included in the key information;
the forming comprehensive calculation module is specifically configured to determine, if the key information includes a power level keyword, the target transmission power as the transmission power corresponding to the power level represented by the power level keyword according to a preset corresponding relationship between the power level and the transmission power in an information association library; or if the key information includes an adjustment trend key word, adjusting the current transmitting power of the target direction according to the adjustment trend represented by the adjustment trend key word to obtain the target transmitting power.
9. The base station of claim 8, wherein the beamforming synthesis calculation module is specifically configured to:
if the adjustment trend is that the transmitting power is increased, 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,
and if the adjustment trend is that the transmitting power is reduced, 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.
10. The base station of claim 8 or 9, wherein the direction keyword comprises a coordinate point in a preset coordinate system, an origin of coordinates of the preset coordinate system is a central point of the base station or a central point of a signal antenna in the base station, an X axis and a Y axis of the preset coordinate system are both 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 the preset corresponding relation between each coordinate point and the sub-antenna direction on the preset coordinate system recorded in the information association library.
11. The base station of claim 10, wherein the base station further comprises: an analog beamformer; the digital beamformer and the analog beamformer are connected by a Radio Frequency (RF) chain; the digital beamformer is specifically configured to:
and controlling the analog beam former 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 forming comprehensive calculation module.
12. A base station is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing the communication between the processor and the memory through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps of any one of claims 1 to 5 when executing a program stored in the memory.
13. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when being executed by a processor, carries out the method steps of any one of the claims 1-5.
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