CN113055932A - Beam control method, system, device and medium - Google Patents
Beam control method, system, device and medium Download PDFInfo
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- CN113055932A CN113055932A CN202110301063.0A CN202110301063A CN113055932A CN 113055932 A CN113055932 A CN 113055932A CN 202110301063 A CN202110301063 A CN 202110301063A CN 113055932 A CN113055932 A CN 113055932A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000004590 computer program Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 17
- 230000006378 damage Effects 0.000 abstract description 6
- 238000013459 approach Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
- H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
Abstract
The invention discloses a method, a system, equipment and a medium for controlling wave beams, wherein the control method comprises the following steps: selecting a plurality of beams to be switched; the method includes switching a plurality of beams to be switched in a streaming manner in different time periods. According to the invention, when the reflected waves of a human body are detected, a plurality of wave beams to be switched are selected; the method has the advantages that the streaming switching of the multiple beams to be switched is realized in different time periods, so that the terminal radiates different areas of the human body at different times, the radiation of the terminal to the human body is reduced, and the harm to the human body is reduced; the communication performance of the terminal is ensured by controlling the transmitting power to be in a preset state.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, a system, a device, and a medium for controlling a beam.
Background
When a human body approaches a portable or mobile terminal, the radio frequency electromagnetic field of the terminal needs to meet the safety class standard, when the terminal is placed near the human body or the terminal detects that the terminal is placed near the human body, the EIRP (transmission power) of the terminal still maintains a high power state, for example, the EIRP is maintained at 25dBm (decibel-milliwatt), and the terminal maintains the high power state, which may generate radiation to the human body and affect the health of the human body.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method, a system, a device and a medium for controlling a beam, in order to overcome the defect that the radiation of a terminal to a human body is reduced by reducing the transmission power of the terminal in the prior art, which may affect the communication performance of the terminal.
The invention solves the technical problems through the following technical scheme:
a first aspect of the present invention provides a method for controlling a beam, including:
selecting a plurality of beams to be switched;
switching the plurality of beams to be switched in a streaming manner in different time periods.
Preferably, before the step of selecting a plurality of beams to be switched, the control method further includes:
controlling the transmitting power to be in a preset state;
measuring all beams to obtain a measurement report;
and selecting a plurality of beams to be switched according to the measurement report.
Preferably, after the step of switching the plurality of beams to be switched in a manner of in-stream switching in different time periods, the control method further comprises:
stopping switching the plurality of beams to be switched;
the current beam is restored to the original beam.
Preferably, the preset state includes that the transmission power is kept unchanged or the transmission power is reduced to a preset transmission power value, and the preset transmission power value is greater than the radiation safety value;
and/or the presence of a gas in the gas,
the measurement report includes a received level of the signal or a signal-to-noise ratio of the signal.
A second aspect of the present invention provides a control system for a beam, the control system comprising a selection module and a switching module;
the selection module is used for selecting a plurality of beams to be switched;
the switching module is used for switching the plurality of beams to be switched in a manner of in-turn switching in different time periods.
Preferably, the control system further comprises a control module and a measurement module;
the control module is used for controlling the transmitting power to be in a preset state;
the measurement module is used for measuring all beams to obtain a measurement report;
the selection module is specifically configured to select a plurality of beams to be switched according to the measurement report.
Preferably, the control system further comprises a stop module and a recovery module;
the stopping module is used for stopping switching the plurality of beams to be switched;
the recovery module is used for recovering the current beam to the original beam.
Preferably, the preset state includes that the transmission power is kept unchanged or the transmission power is reduced to a preset transmission power value, and the preset transmission power value is greater than the radiation safety value;
and/or the presence of a gas in the gas,
the measurement report includes a received level of the signal or a signal-to-noise ratio of the signal.
A third aspect of the invention provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of controlling a beam according to the first aspect when executing the computer program.
A fourth aspect of the present invention provides a computer readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of controlling a beam according to the first aspect.
The positive progress effects of the invention are as follows:
according to the invention, when the reflected waves of a human body are detected, a plurality of wave beams to be switched are selected; the method has the advantages that the streaming switching of the multiple beams to be switched is realized in different time periods, so that the terminal radiates different areas of the human body at different times, the radiation of the terminal to the human body is reduced, and the harm to the human body is reduced; the communication performance of the terminal is ensured by controlling the transmitting power to be in a preset state.
Drawings
Fig. 1 is a flowchart of a beam control method according to embodiment 1 of the present invention.
Fig. 2 is a block diagram of a beam control system according to embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of an electronic device according to embodiment 3 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides a method for controlling a beam, including:
In this embodiment, the preset state includes that the transmission power remains unchanged, or the transmission power is reduced to a preset transmission power value, where the preset transmission power value is greater than the radiation safety value.
In this embodiment, when the transmission power is reduced to the preset transmission power value, the preset transmission power value does not affect the communication performance of the terminal. The radiation safety value is preferably less than or equal to 13dBm, for example, the transmitting power of the terminal is reduced from 25dBm to 20dBm, and the terminal can keep normal communication when the transmitting power is 20 dBm. The preset transmission power value can also be other values which not only meet the radiation safety value but also do not influence the normal communication of the terminal.
And 102, measuring all beams to obtain a measurement report.
In this embodiment, the measurement report includes a reception level of the signal or a signal-to-noise ratio of the signal.
The present embodiment specifically selects a plurality of beams to be switched according to the measurement report.
In this embodiment, the terminal is in an idle mode (i.e., the terminal is in a state of receiving only external signals and not transmitting signals externally), and the beam measurement is based on SS (synchronization signal), and in a connected mode (i.e., the terminal is in a state of receiving external signals and also transmitting signals externally), the beam measurement is based on CSI-RS (information reference signal) in DL (data) and SRS (sounding reference signal) in UL (link). The terminal periodically finds the best beam using the measurement results of the SS and CSI-RS.
SRS in UL is similar to LTE (long term evolution) specifications, and a terminal transmits SRS according to a gNB (base station name) direction, and the gNB determines an optimal terminal uplink UL beam by measuring the SRS.
And 104, switching a plurality of beams to be switched in a manner of in-turn stream in different time periods.
In this embodiment, when the terminal detects that the terminal is close to the human body, the transmit power is kept unchanged or the transmit power is reduced to a preset transmit power value, the downlink power of the terminal is determined, and corresponding uplink beamIDs are selected as the working beams of the terminal in turn in different time periods in beaming with low shadowing attenuation loss, so that the specific 4cm of the human body is enabled to be2The area can not receive continuous radiation, thus ensuring the safety of human body.
For example, the transmitting power of the terminal is 25dBm, the preset transmitting power value is 20dBm, the terminal has 50 beams, when the terminal detects that a human body approaches the terminal, the transmitting power of the terminal is controlled to be kept at 25dBm or the transmitting power is reduced from 25dBm to 20dBm, the terminal measures the 50 beams to obtain a measurement report, the terminal selects a better plurality of beams from the 50 beams according to the measurement report, for example, the beams of 12 th, 20 th and 33 th from the measurement report of the 50 beams are better, when the terminal detects that a human body approaches, the terminal selects the beams of 12 th, 20 th and 33 th as a plurality of beams to be switched according to the measurement report on the basis of keeping the transmitting power at 25dBm or on the basis of the preset transmitting power value of 20dBm, and switches alternately in different time periods to enable the terminal to radiate to different regions of the human body, the radiation to the same area of the human body is avoided all the time, the radiation to the human body by the terminal is reduced, and the harm to the human body is reduced.
In this embodiment, the terminal may detect that there is a human body leaning on by detecting a human body reflected wave
The near terminal (that is, when the terminal detects the human body reflected wave, it is determined that the human body is close to the terminal), or the near terminal may detect that the human body is close to the terminal by other methods, which is not specifically limited herein.
And 105, stopping switching the plurality of beams to be switched.
And 106, restoring the current beam to the original beam.
In this embodiment, when the terminal detects that the human body is far away from the terminal (i.e., when the terminal cannot detect the reflected wave of the human body, it is determined that the human body is not near the terminal), the switching of the plurality of beams to be switched is stopped, and the current beam is restored to the original beam, so that the terminal can still perform normal communication.
In the embodiment, when the terminal detects the reflected wave of the human body (namely the terminal is placed near the human body or the terminal is placed near the human body), the transmitting power is controlled to be unchanged or is reduced to the preset transmitting power value, so that the normal communication of the terminal is ensured, and the communication performance of the terminal is ensured; the terminal selects a plurality of beams to be switched according to the measurement report on the basis of the original transmitting power or on the basis of a preset transmitting power value; the circulation switches a plurality of wave beams of waiting to switch in different time quantums, has realized at different time, and the terminal radiates human different regions, has reduced the radiation to the human body to the terminal, has reduced the injury to the human body.
Example 2
As shown in fig. 2, the present embodiment provides a control system of a beam, which includes a control module 1, a measurement module 2, a selection module 3, a switching module 4, a stop module 5, and a recovery module 6.
The control module 1 is used for controlling the transmitting power to be in a preset state.
In this embodiment, the preset state includes that the transmission power remains unchanged, or the transmission power is reduced to a preset transmission power value, where the preset transmission power value is greater than the radiation safety value.
In this embodiment, when the transmission power is reduced to the preset transmission power value, the preset transmission power value does not affect the communication performance of the terminal. The radiation safety value is preferably less than or equal to 13dBm, for example, the transmitting power of the terminal is reduced from 25dBm to 20dBm, and the terminal can keep normal communication when the transmitting power is 20 dBm. The preset transmission power value can also be other values which not only meet the radiation safety value but also do not influence the normal communication of the terminal.
The measurement module 2 is configured to measure all beams to obtain a measurement report.
In this embodiment, the measurement report includes a reception level of the signal or a signal-to-noise ratio of the signal.
The selection module 3 is used to select a plurality of beams to be switched.
The present embodiment specifically selects a plurality of beams to be switched according to the measurement report.
In this embodiment, the terminal is in an idle mode (i.e., the terminal is in a state of receiving only external signals and not transmitting signals), and the beam measurement is based on the synchronization signal SS, and in a connected mode (i.e., the terminal is in a state of receiving external signals and also transmitting signals), the beam measurement is based on the CSI-RS in DL and the SRS in UL. The terminal periodically finds the best beam using the measurement results of the SS and CSI-RS.
The SRS in UL is similar to the LTE specification, and the terminal transmits the SRS in the gNB direction, and the gNB determines the best uplink UL beam of the terminal by measuring the SRS.
The switching module 4 is used for switching a plurality of beams to be switched in a wheel flow at different time periods.
In this embodiment, when the terminal detects that the terminal is close to the human body, the transmit power is kept unchanged or the transmit power is reduced to a preset transmit power value, the downlink power of the terminal is determined, and corresponding uplink beamIDs are selected as the working beams of the terminal in turn in beamIDs with low shielding attenuation loss in different time periods, so that the specific 4cm of the human body is enabled to be2The area can not receive continuous radiation, thus ensuring the safety of human body.
For example, the transmitting power of the terminal is 25dBm, the preset transmitting power value is 20dBm, the terminal has 50 beams, when the terminal detects that a human body approaches the terminal, the transmitting power of the terminal is controlled to be kept at 25dBm or the transmitting power is reduced from 25dBm to 20dBm, the terminal measures the 50 beams to obtain a measurement report, the terminal selects a better plurality of beams from the 50 beams according to the measurement report, for example, the beams of 12 th, 20 th and 33 th from the measurement report of the 50 beams are better, when the terminal detects that a human body approaches, the terminal selects the beams of 12 th, 20 th and 33 th as a plurality of beams to be switched according to the measurement report on the basis of keeping the transmitting power at 25dBm or on the basis of the preset transmitting power value of 20dBm, and switches alternately in different time periods to enable the terminal to radiate to different regions of the human body, the radiation to the same area of the human body is avoided all the time, the radiation to the human body by the terminal is reduced, and the harm to the human body is reduced.
In this embodiment, the terminal may detect that there is a human body approaching the terminal by detecting a human body reflected wave (i.e., when the terminal detects a human body reflected wave, it is determined that the human body is approaching the terminal), or may detect that the human body is approaching the terminal by other methods, which is not specifically limited herein.
The stopping module 5 is used for stopping switching the plurality of beams to be switched.
The restoring module 6 is used for restoring the current beam to the original beam.
In this embodiment, when the terminal detects that the human body is far away from the terminal (i.e., when the terminal cannot detect the reflected wave of the human body, it is determined that the human body is not near the terminal), the switching of the plurality of beams to be switched is stopped, and the current beam is restored to the original beam, so that the terminal can still perform normal communication.
In the embodiment, when the terminal detects the reflected wave of the human body (namely the terminal is placed near the human body or the terminal is placed near the human body), the transmitting power is controlled to be unchanged or is reduced to the preset transmitting power value, so that the normal communication of the terminal is ensured, and the communication performance of the terminal is ensured; the terminal selects a plurality of beams to be switched according to the measurement report on the basis of the original transmitting power or on the basis of a preset transmitting power value; the circulation switches a plurality of wave beams of waiting to switch in different time quantums, has realized at different time, and the terminal radiates human different regions, has reduced the radiation to the human body to the terminal, has reduced the injury to the human body.
Example 3
Fig. 3 is a schematic structural diagram of an electronic device according to embodiment 3 of the present invention. The electronic device comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of controlling a beam of embodiment 1 when executing the computer program. The electronic device 30 shown in fig. 3 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiment of the present invention.
As shown in fig. 3, the electronic device 30 may be embodied in the form of a general purpose computing device, which may be, for example, a server device. The components of the electronic device 30 may include, but are not limited to: the at least one processor 31, the at least one memory 32, and a bus 33 connecting the various system components (including the memory 32 and the processor 31).
The bus 33 includes a data bus, an address bus, and a control bus.
The memory 32 may include volatile memory, such as Random Access Memory (RAM)321 and/or cache memory 322, and may further include Read Only Memory (ROM) 323.
The processor 31 executes various functional applications and data processing, such as the beam control method provided in embodiment 1 of the present invention, by executing the computer program stored in the memory 32.
The electronic device 30 may also communicate with one or more external devices 34 (e.g., keyboard, pointing device, etc.). Such communication may be through input/output (I/O) interfaces 35. Also, the resulting device 30 may also communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via a network adapter 36. As shown in FIG. 3, network adapter 36 communicates with the other modules of model-generating device 30 via bus 33. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the model-generating device 30, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, and data backup storage systems, etc.
It should be noted that although in the above detailed description several units/modules or sub-units/modules of the electronic device are mentioned, such a division is merely exemplary and not mandatory. Indeed, the features and functionality of two or more of the units/modules described above may be embodied in one unit/module according to embodiments of the invention. Conversely, the features and functions of one unit/module described above may be further divided into embodiments by a plurality of units/modules.
Example 4
The present embodiment provides a computer-readable storage medium on which a computer program is stored, which, when executed by a processor, implements the steps of the method of controlling beams provided in embodiment 1.
More specific examples, among others, that the readable storage medium may employ may include, but are not limited to: a portable disk, a hard disk, random access memory, read only memory, erasable programmable read only memory, optical storage device, magnetic storage device, or any suitable combination of the foregoing.
In a possible implementation, the invention can also be implemented in the form of a program product comprising program code for causing a terminal device to perform the steps of implementing the method for controlling beams described in embodiment 1, when said program product is run on said terminal device.
Where program code for carrying out the invention is written in any combination of one or more programming languages, the program code may be executed entirely on the user device, partly on the user device, as a stand-alone software package, partly on the user device and partly on a remote device or entirely on the remote device.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A method for controlling a beam, the method comprising:
selecting a plurality of beams to be switched;
switching the plurality of beams to be switched in a streaming manner in different time periods.
2. The method of controlling beams according to claim 1, wherein said step of selecting a plurality of beams to be switched is preceded by the method further comprising:
controlling the transmitting power to be in a preset state;
measuring all beams to obtain a measurement report;
and selecting a plurality of beams to be switched according to the measurement report.
3. The method of controlling beams according to claim 1, wherein after the step of in-stream switching a plurality of the beams to be switched in different time periods, the method of controlling further comprises:
stopping switching the plurality of beams to be switched;
the current beam is restored to the original beam.
4. The method of claim 2, wherein the preset state includes that the transmission power is kept unchanged or the transmission power is reduced to a preset transmission power value, and the preset transmission power value is greater than a radiation safety value;
and/or the presence of a gas in the gas,
the measurement report includes a received level of the signal or a signal-to-noise ratio of the signal.
5. A control system for a beam, the control system comprising a selection module and a switching module;
the selection module is used for selecting a plurality of beams to be switched;
the switching module is used for switching the plurality of beams to be switched in a manner of in-turn switching in different time periods.
6. The system for controlling beams according to claim 5, wherein said control system further comprises a control module and a measurement module;
the control module is used for controlling the transmitting power to be in a preset state;
the measurement module is used for measuring all beams to obtain a measurement report;
the selection module is specifically configured to select a plurality of beams to be switched according to the measurement report.
7. The system for controlling beams according to claim 5, wherein said control system further comprises a stopping module and a resuming module;
the stopping module is used for stopping switching the plurality of beams to be switched;
the recovery module is used for recovering the current beam to the original beam.
8. The system for controlling beams according to claim 6, wherein said preset state includes a transmission power being maintained or a transmission power being reduced to a preset transmission power value, said preset transmission power value being greater than a radiation safety value;
and/or the presence of a gas in the gas,
the measurement report includes a received level of the signal or a signal-to-noise ratio of the signal.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of controlling a beam according to any one of claims 1-4 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of controlling a beam according to any one of claims 1-4.
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| CN202110301063.0A CN113055932A (en) | 2021-03-22 | 2021-03-22 | Beam control method, system, device and medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110301063.0A CN113055932A (en) | 2021-03-22 | 2021-03-22 | Beam control method, system, device and medium |
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| CN111066350A (en) * | 2019-12-02 | 2020-04-24 | 北京小米移动软件有限公司 | Safety control method and device |
| US10812125B1 (en) * | 2019-05-31 | 2020-10-20 | Intel Corporation | Radiation exposure control for beamforming technologies |
| CN112399465A (en) * | 2019-08-16 | 2021-02-23 | 华为技术有限公司 | Indication method and device for state of antenna panel |
| CN112470530A (en) * | 2018-11-21 | 2021-03-09 | Oppo广东移动通信有限公司 | Method and device for adjusting power density and storage medium |
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2021
- 2021-03-22 CN CN202110301063.0A patent/CN113055932A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470530A (en) * | 2018-11-21 | 2021-03-09 | Oppo广东移动通信有限公司 | Method and device for adjusting power density and storage medium |
| US10812125B1 (en) * | 2019-05-31 | 2020-10-20 | Intel Corporation | Radiation exposure control for beamforming technologies |
| CN112399465A (en) * | 2019-08-16 | 2021-02-23 | 华为技术有限公司 | Indication method and device for state of antenna panel |
| CN111066350A (en) * | 2019-12-02 | 2020-04-24 | 北京小米移动软件有限公司 | Safety control method and device |
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