CN113382336B - Antenna control method, device and system - Google Patents
Antenna control method, device and system Download PDFInfo
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- CN113382336B CN113382336B CN202110644520.6A CN202110644520A CN113382336B CN 113382336 B CN113382336 B CN 113382336B CN 202110644520 A CN202110644520 A CN 202110644520A CN 113382336 B CN113382336 B CN 113382336B
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- 238000000034 method Methods 0.000 title claims abstract description 68
- 238000004891 communication Methods 0.000 claims abstract description 85
- 230000008569 process Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 6
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses an antenna control method, an antenna control device and an antenna control system, which are applied to wearable equipment, wherein the wearable equipment comprises a directional antenna; the method comprises the following steps: positioning a signal source, and determining the position information of the signal source relative to a directional antenna; the directivity of the directional antenna is adjusted according to the position information, so that the directional antenna points to the position where the signal source is located, communication signals emitted by the signal source can be better received, and the communication effect is ensured; the invention can improve the communication stability in the use process and is beneficial to improving the use experience of users.
Description
Technical Field
The embodiment of the invention relates to the technical field of earphones, in particular to an antenna control method, an antenna control device and an antenna control system.
Background
With the continuous development of wireless mobile communication, more and more wireless communication devices are generated, and the performance of the radio frequency antenna used by each device is very critical, especially in use on consumer electronic products. However, many antennas used in consumer electronic products are omni-directional antennas, which are defined as antennas that radiate uniformly, i.e., in 360 ° in a horizontal pattern, so-called nondirections. The advantages of omni-directional antennas are generally applied to communication systems in short distances, large coverage areas and relatively low prices, but the performance exhibited by the omni-directional antennas is not very satisfactory for users when there are numerous interferers around the device. On headphone products, because the user can not use on a certain fixed position, and in addition, the influence of human head, the performance of omnidirectional antenna just is worse, leads to the unstable problem of communication, influences user's use experience.
In view of this, how to provide an antenna control method, device and system for solving the above technical problems is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The embodiment of the invention aims to provide an antenna control method, an antenna control device and an antenna control system, which can better receive communication signals in the use process, ensure the communication effect, improve the communication stability and are beneficial to improving the use experience of users.
In order to solve the technical problems, an embodiment of the present invention provides an antenna control method, which is applied to a wearable device, wherein the wearable device includes a directional antenna; the method comprises the following steps:
positioning a signal source, and determining the position information of the signal source relative to the directional antenna;
and adjusting the directivity of the directional antenna according to the position information so as to lead the directional antenna to point to the position of the signal source.
Optionally, the wearable device further includes an omni-directional antenna, and the process of locating the signal source and determining the position information of the signal source relative to the directional antenna is:
receiving communication signals transmitted by the signal source through the omni-directional antenna;
and determining the position information of the signal source relative to the directional antenna according to the communication signal.
Optionally, the wearable device includes two directional antennas disposed at different positions, namely a first directional antenna and a second directional antenna;
the process of locating the signal source and determining the position information of the signal source relative to the directional antenna is as follows:
receiving communication signals transmitted by the signal source through the first directional antenna and the second directional antenna respectively;
and determining first position information of the signal source relative to the first directional antenna according to the communication signals received by the first directional antenna, and determining second position information of the signal source relative to the second directional antenna according to the communication signals received by the second directional antenna.
Optionally, the wearable device includes two directional antennas disposed at different positions, namely a first directional antenna and a second directional antenna;
the process of adjusting the directivity of the directional antenna according to the position information so that the directional antenna points to the position of the signal source is as follows:
determining a target directional antenna to be started from the first directional antenna and the second directional antenna according to the position information;
and controlling the target directional antenna to be opened, and adjusting the directivity of the target directional antenna according to the position information to enable the target directional antenna to point to the position where the signal source is located.
Optionally, after the adjusting the directivity of the directional antenna according to the position information, the method further includes:
repositioning the signal source every preset time interval to acquire the current position information of the signal source relative to the directional antenna;
and judging whether the position of the signal source relative to the directional antenna is changed or not according to the position information corresponding to the directional antenna and the current position information determined at the previous moment, and if so, adjusting the directivity of the directional antenna according to the current position information so that the directional antenna points to the position of the signal source.
Optionally, the positioning the signal source, and determining the position information of the signal source relative to the directional antenna includes:
the directional antenna is controlled to rotate by a preset angle, and communication signals emitted by the signal source are received in the rotating process;
and determining the communication signal with the maximum intensity according to the received communication signals, and determining the position information of the signal source relative to the directional antenna according to the azimuth information corresponding to the communication signal with the maximum intensity.
The embodiment of the invention also correspondingly provides an antenna control device which is applied to the wearable equipment, wherein the wearable equipment comprises a directional antenna; the device comprises:
the positioning module is used for positioning the signal source and determining the position information of the signal source relative to the directional antenna;
and the adjusting module is used for adjusting the directivity of the directional antenna according to the position information so as to lead the directional antenna to point to the position where the signal source is located.
Optionally, the wearable device further includes an omni-directional antenna, and the positioning module includes:
a first receiving unit, configured to receive, through the omni-directional antenna, a communication signal transmitted by the signal source;
and the first positioning unit is used for determining the position information of the signal source relative to the directional antenna according to the communication signal.
Optionally, the wearable device includes two directional antennas disposed at different positions, namely a first directional antenna and a second directional antenna;
the positioning module comprises:
a second receiving unit, configured to receive, through the first directional antenna and the second directional antenna, communication signals transmitted by the signal source respectively;
and the second positioning unit is used for determining the first position information of the signal source relative to the first directional antenna according to the communication signals received by the first directional antenna and determining the second position information of the signal source relative to the second directional antenna according to the communication signals received by the second directional antenna.
Optionally, the positioning module includes:
the second control unit is used for controlling the directional antenna to rotate 360 degrees and continuously receiving communication signals emitted by the signal source in the rotating process;
and the comparison unit is used for determining the communication signal with the maximum intensity according to each received communication signal and determining the position information of the signal source relative to the directional antenna according to the azimuth information corresponding to the communication signal with the maximum intensity.
The embodiment of the invention also provides an antenna control system, which comprises a memory, a processor, a directional antenna and an adjusting mechanism, wherein the directional antenna is connected with the adjusting mechanism, and the adjusting mechanism is connected with the processor, wherein:
the memory is used for storing a computer program;
the processor is configured to implement the steps of the antenna control method described above when executing the computer program, and control the adjustment mechanism to adjust the directivity of the directional antenna.
The embodiment of the invention provides an antenna control method, an antenna control device and an antenna control system, which are applied to wearable equipment, wherein the wearable equipment comprises a directional antenna; the method comprises the steps of positioning a signal source, determining the position information of the signal source relative to a directional antenna, and then adjusting the directivity of the directional antenna according to the position information, so that the directional antenna points to the position of the signal source, thereby better receiving communication signals emitted by the signal source and ensuring the communication effect; the invention can improve the communication stability in the use process and is beneficial to improving the use experience of users.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the prior art and the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of an antenna control method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wireless headset according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an antenna control device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an antenna control system according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides an antenna control method, an antenna control device and an antenna control system, which can better receive communication signals in the use process, ensure the communication effect, improve the communication stability and are beneficial to improving the use experience of users.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a flow chart of an antenna control method according to an embodiment of the invention. The method is applied to a wearable device, the wearable device comprising a directional antenna; the method comprises the following steps:
s110: positioning a signal source, and determining the position information of the signal source relative to a directional antenna;
it should be noted that, in the embodiment of the present invention, the wearable device may be a wireless headset, an AR device or a VR device, and a directional antenna is provided on the wearable device, and specifically when the wearable device performs wireless communication with a terminal device, the location information of the signal source relative to the directional antenna on the wearable device may be determined by locating the signal source, for example, when the wearable device is a wireless headset, the location information of the signal source relative to the directional antenna on the wireless headset may be determined by locating the signal source (for example, a transceiver) during the use of the wireless headset. Specifically, in practical application, after detecting that the wearable device is started, the signal source is positioned.
S120: and adjusting the directivity of the directional antenna according to the position information so that the directional antenna points to the position where the signal source is located.
Specifically, after the position information of the signal source relative to the directional antenna is determined, the directivity of the directional antenna can be further adjusted according to the position information, and the directional antenna can be specifically directed to the position where the signal source is located by adjusting the direction of the directional antenna, so that the directional antenna can better receive the communication signal emitted by the signal source, and the communication quality of the earphone is improved.
Further, the wearable device in the embodiment of the invention may further include an omni-directional antenna;
correspondingly, the process of positioning the signal source and determining the position information of the signal source relative to the directional antenna in S110 may specifically be:
receiving communication signals transmitted by a signal source through an omni-directional antenna;
position information of the signal source relative to the directional antenna is determined from the communication signal.
Specifically, after the wearable device is detected to be started, pairing information emitted by the signal source is received through the omni-directional antenna, communication connection between the wearable device and the signal source is established, specifically, communication signals emitted by the signal source are received through the omni-directional antenna after the communication connection is established, and then the position information of the signal source relative to the directional antenna is further determined according to the communication signals; of course, the communication connection can be established, the communication signal emitted by the signal source can be received through the omni-directional antenna, and the position information of the signal source relative to the directional antenna can be further determined according to the communication signal.
It can be understood that, specifically, the distance between the signal source and the wearable device can be further calculated through the RSSI (received signal strength indicator) value of the communication signal received by the omni-directional antenna, and the direction of the signal source relative to the directional antenna is determined according to the setting position of the directional antenna on the wearable device, so as to determine the position information of the relative orientation of the signal source, where the position information includes the relative distance and the direction.
It should be noted that, in the embodiment of the present invention, the wearable device is provided with the directional antenna and the omni-directional antenna, where the state of the wearable device after being turned on may be set in advance, so that the default state of the wearable device after being turned on is set to be the closed state of the directional antenna and the open state of the omni-directional antenna. Specifically, pairing information emitted by the signal source can be received through the omni-directional antenna after the wearable device is detected to be started, and then pairing of the earphone and the signal source is completed according to the pairing information, so that communication connection between the wearable device and the signal source is realized; the directional antenna can be controlled to be turned on before the directivity of the directional antenna is adjusted, or the directional antenna can be controlled to be turned on after the directivity adjustment of the directional antenna is completed, and the specific sequence is not limited in particular.
Further, the wearable device in the embodiment of the invention includes two directional antennas disposed at different positions, namely a first directional antenna and a second directional antenna;
the process of locating the signal source and determining the position information of the signal source relative to the directional antenna in S120 may specifically be:
communication signals transmitted by the signal sources are respectively received through the first directional antenna and the second directional antenna;
and determining first position information of the signal source relative to the first directional antenna according to the communication signals received by the first directional antenna, and determining second position information of the signal source relative to the second directional antenna according to the communication signals received by the second directional antenna.
It may be understood that there may be two directional antennas in the wearable device, where the two directional antennas are disposed at different positions, and then position information of each directional antenna relative to the signal source is located, specifically, the first directional antenna and the second directional antenna each receive a communication signal transmitted by the signal source, and then after determining, according to the communication signal received by each directional antenna, first position information of the signal source relative to the first directional antenna and second position information of the signal source relative to the second directional antenna.
Further, the wearable device in the embodiment of the invention includes two directional antennas disposed at different positions, namely a first directional antenna and a second directional antenna;
the above process of adjusting the directivity of the directional antenna according to the position information to make the directional antenna point to the position where the signal source is located may specifically be:
determining a target directional antenna to be started from the first directional antenna and the second directional antenna according to the position information;
and controlling the target directional antenna to be turned on, and adjusting the directivity of the target directional antenna according to the position information to enable the target directional antenna to point to the position where the signal source is located.
It should be noted that, specifically, two directional antennas in the wearable device may be two, and the two directional antennas are disposed at different positions, in this embodiment of the present invention, one target directional antenna needs to be determined from the two directional antennas according to position information, where the target directional antenna may specifically be one directional antenna that is closer to the signal source, where specifically, first position information of the signal source relative to the first directional antenna and second position information of the signal source relative to the second directional antenna may be determined first, then, according to the first position information and the second position information, one directional antenna is selected from the first directional antenna and the second directional antenna as a target directional antenna, specifically, a directional antenna that is closer to the signal source may be selected as a target directional antenna, and the target directional antenna may be controlled to be turned on, and then, according to the position information of the signal source relative to the wearable device, directivity of the target directional antenna may be adjusted, so that the target directional antenna points to the position where the signal source is located.
Specifically, if the wearable device in the embodiment of the invention is a wireless headset, the first directional antenna may be disposed in a left ear muff of the wireless headset, and the second directional antenna is disposed in a right ear muff of the wireless headset; in addition, the omni-directional antenna may be disposed in one of the earmuffs, and the location of the location is not particularly limited in the embodiment of the present invention. In addition to calculating the position information of the signal source relative to the first directional antenna and the second directional antenna, the wireless headset may use the perpendicular bisector (as shown by a dotted line in fig. 2) of the wireless headset as a reference line, and may determine which directional antenna the signal source is located closer to by acquiring the position information of the signal source relative to the perpendicular bisector to determine which side of the perpendicular bisector the signal source (e.g., transceiver Dongle in fig. 2), so as to determine the target directional antenna.
It should be further noted that, when the signal source is just located on the vertical line in the headset of the wireless headset, the distances between the signal source and the first directional antenna and the distances between the signal source and the second directional antenna are equal, and at this time, one directional antenna may be randomly selected from the first directional antenna and the second directional antenna as the target directional antenna, or both the first directional antenna and the second directional antenna may be used as the target directional antenna, which may be specifically determined according to the actual needs.
Further, after adjusting the directivity of the directional antenna according to the position information in S120, the method may further include:
repositioning the signal source at preset time intervals to acquire the current position information of the signal source relative to the directional antenna;
and judging whether the position of the signal source relative to the directional antenna is changed or not according to the position information and the current position information which are determined at the previous moment and adjusting the directivity of the directional antenna according to the current position information if the position of the signal source relative to the directional antenna is changed, so that the directional antenna points to the position where the signal source is located.
Specifically, in the embodiment of the invention, the directional antenna is set on the wearable device for illustration, after the directivity adjustment of the directional antenna is finished, the directional antenna can be controlled to be turned on, in the working process of the directional antenna, the signal source can be repositioned once every preset time, the current position information of the signal source relative to the directional antenna at the current moment is obtained, whether the position of the signal source relative to the directional antenna is changed or not is judged according to the two current position information obtained at the adjacent moment, if so, the directivity of the directional antenna can be adjusted according to the current position information to enable the directional antenna to point to the position of the signal source, wherein the two current position information obtained at the adjacent two moments can be judged to determine whether the distance between the signal source at the current moment and the position of the signal source at the previous moment is larger than the preset distance, and the position of the signal source relative to the directional antenna can be considered to be changed when the distance is larger than the preset distance.
In addition, in the embodiment of the present invention, an example is described for a case where two directional antennas are provided on a wearable device:
the method may further comprise:
positioning a signal source in the working process of the target directional antenna, and determining the current position information of the signal source relative to the target directional antenna at the current moment;
and judging whether the position of the signal source relative to the target directional antenna is changed or not according to the position information and the current position information which are determined at the previous moment and correspond to the target directional antenna, if so, returning to execute the step of positioning the signal source and determining the first position information of the signal source relative to the first directional antenna and the second position information of the signal source relative to the second directional antenna.
Specifically, in the working process of the target directional antenna of the wearable device, the signal source is positioned, the current position information of the signal source relative to the target directional antenna at the current moment is determined,
and judging whether the position of the signal source changes according to the current position information and the position information of the signal source relative to the target directional antenna determined at the previous moment, specifically, determining whether the position of the signal source relative to the target directional antenna changes according to the distance between the position of the signal source determined by the current position information and the position of the signal source determined according to the previous position information, if the distance is not within the preset range, indicating that the position of the signal source relative to the target directional antenna changes, positioning the signal source at the moment, determining the first position information of the signal source relative to the first directional antenna and the second position information of the signal source relative to the second directional antenna, and reselecting the target directional antenna so as to ensure that the wearable device can receive high-quality communication signals at any time and ensure the communication quality of the wearable device.
Additionally, when the wearable device is a wireless headset, the method may further include:
in the working process of the target directional antenna, acquiring a receiving signal of the target directional antenna at preset time intervals; and judging whether the RSSI value of the received signal is larger than a preset threshold value, if so, reducing the gain value of an amplifier in the earphone.
In the embodiment of the invention, in order to reduce the power consumption of the wireless headset, the signal received by the target directional antenna can be obtained in each interval preset time period in the working process of the target directional antenna, and the RSSI value of the signal is compared with the preset threshold value, and if the RSSI value of the signal is greater than the preset threshold value, the power consumption of the whole headset can be reduced by reducing the Gain value of the amplifier in the headset, and the endurance of the headset is improved, in particular, the Gain value of the amplifier in the radio frequency module is reduced.
Further, the process of positioning the signal source in S120 and determining the position information of the signal source relative to the directional antenna may specifically be:
the directional antenna is controlled to rotate by a preset angle, and communication signals emitted by a signal source are received in the rotating process;
and determining the position information of the signal source relative to the directional antenna according to the signal strength of each received communication signal.
It should be noted that, in practical application, positioning of the signal source can also be achieved through the directional antenna, specifically, after the wearable device is started, the directional antenna is controlled to be started, the directional antenna is controlled to start rotating, and communication signals emitted by the signal source are received in the rotating process, specifically, the directional antenna can be controlled to rotate 360 degrees, the communication signals can be received once without rotating a certain angle, then the direction of the signal source is determined according to the signal intensity of each communication signal received after the directional antenna rotates for one circle, and specifically, the position information of the signal source relative to the directional antenna can be determined according to the direction information corresponding to the communication signal with the maximum intensity in each communication signal.
According to the method, the position information of the signal source relative to the directional antenna is determined by positioning the signal source, then the directivity of the directional antenna is adjusted according to the position information, so that the directional antenna points to the position where the signal source is located, the communication signal emitted by the signal source is better received, and the communication effect is guaranteed; the invention can improve the communication stability in the use process and is beneficial to improving the use experience of users.
On the basis of the real time, the embodiment of the invention also correspondingly provides an antenna control device which is applied to the wearable equipment, wherein the wearable equipment comprises a directional antenna; referring specifically to fig. 3, the apparatus includes:
the positioning module 21 is used for positioning the signal source and determining the position information of the signal source relative to the directional antenna;
the adjusting module 22 is configured to adjust the directivity of the directional antenna according to the position information, so that the directional antenna points to the position where the signal source is located.
Further, the wearable device further includes an omni-directional antenna, and the positioning module 21 includes:
a receiving unit for receiving the communication signal transmitted by the signal source through the omni-directional antenna;
and the positioning unit is used for determining the position information of the signal source relative to the directional antenna according to the communication signal.
Further, the wearable device comprises two directional antennas which are arranged at different positions, namely a first directional antenna and a second directional antenna;
the positioning module 21 is specifically configured to position the signal source, and determine first position information of the signal source relative to the first directional antenna and second position information of the signal source relative to the second directional antenna;
the positioning module comprises:
the second receiving unit is used for receiving communication signals transmitted by the signal sources through the first directional antenna and the second directional antenna respectively;
the second positioning unit is used for determining first position information of the signal source relative to the first directional antenna according to the communication signals received by the first directional antenna and determining second position information of the signal source relative to the second directional antenna according to the communication signals received by the second directional antenna.
Further, the positioning module 21 includes:
the second control unit is used for controlling the directional antenna to rotate 360 degrees and continuously receiving communication signals emitted by the signal source in the rotating process;
and the comparison unit is used for determining the communication signal with the maximum intensity according to the received communication signals and determining the position information of the signal source relative to the directional antenna according to the azimuth information corresponding to the communication signal with the maximum intensity.
It should be noted that, the antenna control device provided in the embodiment of the present invention has the same beneficial effects as the antenna control method provided in the above embodiment, and for the specific description of the antenna control method related in the embodiment of the present invention, reference is made to the above embodiment, and the description thereof is omitted herein.
On the basis of the above embodiment, the embodiment of the present invention further provides an antenna control system, referring specifically to fig. 4, which includes a memory 1, a processor 2, a directional antenna 3 and an adjusting mechanism 4, wherein the directional antenna 3 is connected with the adjusting mechanism 4, and the adjusting mechanism 4 is connected with the processor 2; wherein:
a memory 1 for storing a computer program;
a processor 2 for implementing the steps of the antenna control method as described above when executing a computer program, and controlling an adjusting mechanism 4 to adjust the directivity of the directional antenna 3.
For example, the processor 2 in the embodiment of the present invention may be specifically used for implementation.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
It should also be noted that in this specification, 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.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An antenna control method is applied to a wearable device, and is characterized in that the wearable device comprises a directional antenna; the method comprises the following steps:
positioning a signal source, and determining the position information of the signal source relative to the directional antenna;
adjusting the directivity of the directional antenna according to the position information so that the directional antenna points to the position of the signal source;
wherein after the directivity of the directional antenna is adjusted according to the position information, the method further comprises: repositioning the signal source every preset time interval to acquire the current position information of the signal source relative to the directional antenna; judging whether the position of the signal source relative to the directional antenna is changed or not according to the position information corresponding to the directional antenna and the current position information determined at the previous moment, and if so, adjusting the directivity of the directional antenna according to the current position information so as to lead the directional antenna to point to the position of the signal source;
the determining whether the position of the signal source relative to the directional antenna changes includes: judging whether the distance between the position of the signal source determined according to the current position information and the position of the signal source determined according to the position information of the previous moment is larger than a preset distance, and determining that the position of the signal source relative to the directional antenna changes under the condition that the distance is larger than the preset distance;
the wearable device comprises two directional antennas which are arranged at different positions, namely a first directional antenna and a second directional antenna;
the process of adjusting the directivity of the directional antenna according to the position information so that the directional antenna points to the position of the signal source is as follows: determining a target directional antenna to be started from the first directional antenna and the second directional antenna according to the position information; the target directional antenna is controlled to be turned on, and the directivity of the target directional antenna is adjusted according to the position information so that the target directional antenna points to the position where the signal source is located;
the process of determining the target directional antenna to be turned on from the first directional antenna and the second directional antenna according to the position information includes: determining first position information of the signal source relative to the first directional antenna and second position information of the signal source relative to the second directional antenna; and selecting one directional antenna which is closer to a signal source from the first directional antenna and the second directional antenna as a target directional antenna according to the first position information and the second position information.
2. The antenna control method according to claim 1, wherein the wearable device further comprises an omni-directional antenna, and the positioning the signal source, and determining the position information of the signal source relative to the directional antenna comprises:
receiving communication signals transmitted by the signal source through the omni-directional antenna;
and determining the position information of the signal source relative to the directional antenna according to the communication signal.
3. The method of claim 1, wherein the positioning the signal source and determining the position information of the signal source relative to the directional antenna comprises:
receiving communication signals transmitted by the signal source through the first directional antenna and the second directional antenna respectively;
and determining first position information of the signal source relative to the first directional antenna according to the communication signals received by the first directional antenna, and determining second position information of the signal source relative to the second directional antenna according to the communication signals received by the second directional antenna.
4. The method of claim 1, wherein the positioning the signal source and determining the position information of the signal source relative to the directional antenna comprises:
the directional antenna is controlled to rotate by a preset angle, and communication signals emitted by the signal source are received in the rotating process;
and determining the position information of the signal source relative to the directional antenna according to the signal intensity of each received communication signal.
5. An antenna control device applied to a wearable device, wherein the wearable device comprises a directional antenna; the device comprises:
the positioning module is used for positioning the signal source and determining the position information of the signal source relative to the directional antenna;
the adjusting module is used for adjusting the directivity of the directional antenna according to the position information so as to lead the directional antenna to point to the position of the signal source;
wherein after the directivity of the directional antenna is adjusted according to the position information, the method further comprises: repositioning the signal source every preset time interval to acquire the current position information of the signal source relative to the directional antenna; judging whether the position of the signal source relative to the directional antenna is changed or not according to the position information corresponding to the directional antenna and the current position information determined at the previous moment, and if so, adjusting the directivity of the directional antenna according to the current position information so as to lead the directional antenna to point to the position of the signal source;
the determining whether the position of the signal source relative to the directional antenna changes includes: judging whether the distance between the position of the signal source determined according to the current position information and the position of the signal source determined according to the position information of the previous moment is larger than a preset distance, and determining that the position of the signal source relative to the directional antenna changes under the condition that the distance is larger than the preset distance; wherein:
the wearable device comprises two directional antennas which are arranged at different positions, namely a first directional antenna and a second directional antenna;
the process of adjusting the directivity of the directional antenna according to the position information so that the directional antenna points to the position of the signal source is as follows: determining a target directional antenna to be started from the first directional antenna and the second directional antenna according to the position information; the target directional antenna is controlled to be turned on, and the directivity of the target directional antenna is adjusted according to the position information so that the target directional antenna points to the position where the signal source is located;
the process of determining the target directional antenna to be turned on from the first directional antenna and the second directional antenna according to the position information includes: determining first position information of the signal source relative to the first directional antenna and second position information of the signal source relative to the second directional antenna; and selecting one directional antenna which is closer to a signal source from the first directional antenna and the second directional antenna as a target directional antenna according to the first position information and the second position information.
6. The antenna control apparatus of claim 5, wherein the wearable device further comprises an omni-directional antenna, the positioning module comprising:
a first receiving unit, configured to receive, through the omni-directional antenna, a communication signal transmitted by the signal source;
and the first positioning unit is used for determining the position information of the signal source relative to the directional antenna according to the communication signal.
7. The antenna control apparatus of claim 5, wherein the positioning module comprises:
a second receiving unit, configured to receive, through the first directional antenna and the second directional antenna, communication signals transmitted by the signal source respectively;
and the second positioning unit is used for determining the first position information of the signal source relative to the first directional antenna according to the communication signals received by the first directional antenna and determining the second position information of the signal source relative to the second directional antenna according to the communication signals received by the second directional antenna.
8. An antenna control system is characterized by comprising a memory, a processor, a directional antenna and an adjusting mechanism, wherein the directional antenna is connected with the adjusting mechanism, and the adjusting mechanism is connected with the processor; wherein:
the memory is used for storing a computer program;
the processor is configured to implement the steps of the antenna control method according to any one of claims 1 to 4 when executing the computer program, and control the adjusting mechanism to adjust the directivity of the directional antenna.
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