CN105530016B - Signal processing method and device - Google Patents
Signal processing method and device Download PDFInfo
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- CN105530016B CN105530016B CN201410522644.7A CN201410522644A CN105530016B CN 105530016 B CN105530016 B CN 105530016B CN 201410522644 A CN201410522644 A CN 201410522644A CN 105530016 B CN105530016 B CN 105530016B
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Abstract
A kind of signal processing method and device provided according to an embodiment of the invention, applied to the first electronic equipment with first antenna and the second antenna.Methods described includes sending the first signal to the second electronic equipment by the first antenna；The first switching signal is received from second electronic equipment；According to first switching signal received, it is switched to from the first signal is launched by the first antenna by second antenna transmitting secondary signal；Secondary signal is sent to second electronic equipment by second antenna, so that second electronic equipment can calculate it the distance between with first electronic equipment according to the signal intensity of the secondary signal received.
Description
Technical field
The present invention relates to a kind of signal processing method and device, it is more particularly related to a kind of strong and weak double antenna
Switch the processing method and processing device of transmission signal.
Background technology
With the further development of mobile electron technology, the development of technology of Internet of things, Portable movable intelligence are especially moved
Energy product is popularized rapidly, such as intelligent glasses, Intelligent bracelet wearable device so that user can pass through these whenever and wherever possible
Equipment carries out network interaction application, meets the diversified demand of user.
Nowadays, wireless location is an important technology in Internet of Things, and location Based service possesses wide in Internet of Things
Prospect, being currently based on the mode of Distance positioning mainly has GPS, and infrared ray, (received signal strength refers to by ultrasonic wave and bluetooth RSSI
Show).However, GPS modes can not use indoors, infrared and ultrasonic wave, which is required for increasing extra device, can just enter row distance and determine
Position, so as to add hardware cost and size, and bluetooth RSSI modes are because its mean error be 1-3m, so can not realize closely
Perceived distance, therefore, the range measurement mode used at present are not well positioned to meet Portable movable smart machine and carried out far
The application closely positioned.
The content of the invention
In view of the above problems, according to an aspect of the invention, there is provided a kind of method of signal transacting, applied to first
Electronic equipment, wherein first electronic equipment includes first antenna and the second antenna, methods described includes passing through described first
Antenna sends the first signal to the second electronic equipment；The first switching signal is received from second electronic equipment, wherein described the
The second electronic equipment meets that first is predetermined according to the signal intensity of first signal received described in one switching signal designation
Condition；According to first switching signal received, pass through institute from being switched to by the first antenna the first signal of transmitting
State the second antenna transmitting secondary signal；Secondary signal is sent to second electronic equipment by second antenna, so that institute
Itself and first electronic equipment can be calculated according to the signal intensity of the secondary signal received by stating the second electronic equipment
The distance between.
According to another aspect of the present invention, a kind of signal processing apparatus, including the first transmitter unit are additionally provided, is connected
First antenna, configuration to send the first signal to electronic equipment by the first antenna；Second transmitter unit, connect second day
Line, configuration to launch secondary signal to the electronic equipment by second antenna；Receiving unit, configure to receive the electricity
The signal of sub- equipment transmitting；Control unit, the signal for configuring to be received according to the receiving unit perform corresponding control；Its
In, the first signal is sent to electronic equipment by the first antenna, so that the electronic equipment can be according to the institute received
The signal intensity for stating the first signal is confirmed whether to meet the first predetermined condition；And set by second antenna to the electronics
Preparation penetrates secondary signal, so that second electronic equipment can calculate according to the signal intensity of the secondary signal received
It is the distance between with first electronic equipment.
By signal processing method provided in an embodiment of the present invention and device, can felt by double antenna switching control
Using the stronger antenna of transmission power when knowing remote equipment, when target device constantly close to cause the stronger antenna of transmission power without
When method perceived distance changes, it is switched to its RSSI (received signal strength indicator) with distance change and changes more obvious transmission power
Weaker antenna, the closely perception that can carry out target device is ensure that in this way, while also will not be because of transmission power
The remote perception of target device not enough is had influence on, perception closely can not be realized very well by overcoming current distance measuring method
Shortcoming.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, make below by required in the description to embodiment
Accompanying drawing is briefly described.Drawings in the following description are only the exemplary embodiment of the present invention.
Fig. 1 is the flow chart of signal processing method according to an embodiment of the invention.
Fig. 2 is bluetooth double antenna to RSSI value effect tendency figure.
Fig. 3 is the flow chart of signal processing method in accordance with another embodiment of the present invention.
Fig. 4 is the exemplary block diagram for showing signal processing apparatus according to an embodiment of the invention
Embodiment
Hereinafter, by preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.Pay attention to, in the specification and drawings
In, there is substantially the same step and element to be denoted by the same reference numerals, and to these steps and the repetition solution of element
Releasing to be omitted.
Below, reference picture 1 illustrates the method for the signal transacting of embodiments of the invention.Fig. 1 is depicted according to the present invention
The flow chart of the signal processing method 100 of embodiment.Signal processing method 100 can be applied to the first electronic equipment.According to this
In the embodiment of invention, the concrete form of the first electronic equipment may include but be not limited to Intelligent bracelet, intelligent glasses, smart mobile phone
Deng the first electronic equipment includes first antenna and the second antenna.
According to one embodiment of present invention, both first antenna and the second antenna differ.First antenna is hair
The stronger antenna of power is penetrated, the second antenna is the weaker antenna of transmission power.For two antennas in the difference of transmission power, it is
By the way that two antennas are designed into what there is unlike signal gain amplifier to realize in the design process.
Fig. 2 is bluetooth double antenna to RSSI value effect tendency figure.One identical signal is separately input to first day
It is stronger from the signal power of first antenna output when line and the second antenna, reference weaker from the signal power of the second antenna output
Shown in Fig. 2, the RSSI value (received signal strength indicator) detected by receiving device is tested with distance change, output work
The RSSI value of the second weaker antenna of rate has compared significant change, while 10-20cm sections and 30- in 0cm with 10-20cm sections
There is a significant change in 40cm sections compared to again, and the RSSI value of the stronger first antenna of power output changes in whole 0-50cm sections
All unobvious, so as to utilize antenna handoff technique, (such as 0-50cm) is from power output stronger antenna (property when closely
Can be strong) it is switched to the more accurate realization distance detection of the weaker antenna of power output (performance is weak).
There is the antenna of proper communication function in first antenna can be electronic product, the second antenna is used exclusively for sending out
Penetrate the antenna of power weaker signal.Specifically, the signal processing method 100 includes following steps shown in Fig. 1.
As shown in figure 1, in step S101, the is sent to the second electronic equipment by the first antenna of the first electronic equipment
One signal.According to the example of the present invention, first antenna can be that the first electronic equipment carries out normal communication with other equipment
Antenna.First signal of first antenna transmitting can include the uninterrupted signal of continuation or cyclic pulse signal, such as
Bluetooth, WIFI etc..Meanwhile the signal intensity of the first signal of transmitting is constant, in order to avoid according to receiving the in subsequent step
When the signal intensity of one signal carries out condition judgment or range measurement, produced not because the intensity of the first signal of transmitting changes
Necessary erroneous judgement or error.
In step s 102, the first switching signal is received from the second electronic equipment, wherein the first switching signal instruction second
Electronic equipment meets the first predetermined condition according to the signal intensity of the first signal received.According to an embodiment of the invention, when
When second electronic equipment receives the first signal of the first electronic equipment transmitting, according to the signal intensity of the first signal received
(RSSI) it is confirmed whether to meet the first predetermined condition, when confirming to meet the first predetermined condition, the second electronic equipment is to outgoing
The first switching signal is sent, the receiving unit of the first electronic equipment receives the first switching signal.
For the first predetermined condition, can set including the various forms of conditions related to signal intensity.According to this hair
A bright example, the first predetermined condition refer to signal strength meter of second electronic equipment according to first signal received
Its obtained is less than the first preset distance the distance between with first electronic equipment.When the first electronic equipment and the second electricity
When distance changes between sub- equipment, therefore the signal intensity for the first signal that the second electronic equipment receives also changes, therefore away from
Into corresponding relation, distance between the two can be judged according to the signal intensity received with this from signal intensity.First is predetermined
Distance is included in the signal cover of the power weaker signal of the second antenna transmitting of the first electronic equipment, ensures to work as with this
What the second electronic equipment can receive when the first electronic equipment is switched to the second antenna transmission power weaker signal arrives.
According to an embodiment of the invention, the first switching signal is control signal, is cut for controlling the first electronic equipment to perform
Operation is changed, therefore the signal intensity of the first switching signal should at least cover the first electronic equipment position, to cause the first electricity
What sub- equipment can receive arrives.
Then, in step s 103, the first electronic equipment is according to the first switching signal received, from passing through first antenna
Launch the first signal to be switched to by the second antenna transmitting secondary signal.According to an embodiment of the invention, wherein, the first electronics is set
For when only receiving the first switching signal, just transmitter unit is controlled to believe from first antenna transmitting first is passed through by control unit
Number it is switched to and secondary signal is launched by the second antenna.According to the example of the present invention, first antenna connects with the second antenna
In the same transmitter unit of the first electronic equipment, first electronic equipment controls described by the transmitter unit respectively
One antenna and second antenna outwards launch first signal and the secondary signal.For example, the hair of the first electronic equipment
Penetrate unit and pass through the first higher signal of first antenna transmission power, when receiving the first switching signal, the first electronic equipment
Control unit control transmitter unit stop by higher the first signal of first antenna transmission power, then pass through the second antenna
The relatively low secondary signal of transmission power.Switch and control the structure that two antennas are launched respectively by a transmitter unit, make
Extra emission controlling unit module need not be increased by obtaining the first electronic equipment, saved cost, reduced design difficulty, especially right
Bluetooth technology is all largely supported in existing portable set, Bluetooth transmission unit can retain and be not required to add extra transmitting
Module, it is versatile.
Alternatively, the first electricity can be connected to according to another example of the present invention, first antenna and the second antenna
The first transmitter unit and the second transmitter unit of sub- equipment, wherein, the first transmitter unit control first antenna transmission power is higher
The first signal, the second transmitter unit controls the relatively low secondary signal of the second antenna transmission power.For example, cut when receiving first
When changing signal, the control unit of the first electronic equipment controls the stopping of the first transmitter unit higher by first antenna transmission power
First signal, then start the second transmitter unit and pass through the relatively low secondary signal of the second antenna transmission power.
According to an embodiment of the invention, the same transmitting list for first antenna and the second antenna by the first electronic equipment
The example of member control, transmitter unit can launch the signal of same type, such as bluetooth letter by first antenna and the second antenna
Number, or, transmitter unit can launch different types of signal, such as first antenna by first antenna and the second antenna respectively
Launch WIFI signal, the second antenna transmitting Bluetooth signal.And for first antenna and the second antenna respectively by the first electronic equipment
The example that individually controls of different transmitter units, the first transmitter unit and the second transmitter unit can be as the transmittings of same type
Module launches the signal of same type, such as Bluetooth signal by first antenna and the second antenna respectively, or, the first transmitting is single
Member and the second transmitter unit can be used as different types of transmitter module, so as to be launched respectively by first antenna and the second antenna
Different types of signal, such as first antenna transmitting WIFI signal, the second antenna transmitting Bluetooth signal.
In step S104, secondary signal is sent to the second electronic equipment by the second antenna, so that the second electronic equipment
It can be calculated according to the signal intensity of the secondary signal received the distance between with the first electronic equipment, wherein, second day
Line is the weaker antenna of transmission power relative to first antenna.In design, the gain amplifier of the second antenna is less than first antenna
Gain amplifier.As described above, because the second antenna transmission power is weaker so that the intensity of its secondary signal launched is near
(such as 10cm-50cm) is more sensitive with distance change in distance range, i.e., received signal strength indicator (RSSI) is more sensitive,
Therefore the precision of the distance calculated with the signal intensity of the secondary signal is higher than to be calculated with the signal intensity of first signal
Distance precision, can be used for perceiving the distance change of close-in target object.
According to an embodiment of the invention, the second antenna sends secondary signal to the second electronic equipment, because the second of transmitting
Signal is weaker compared to the first signal power, and when the second electronic equipment receives secondary signal, now the second electronic equipment should
This is in close in the short range of the first electronic equipment.Simultaneously as the intensity of secondary signal changes with the change of distance
It is more sensitive, the second electronic equipment can calculate the electronic equipment of distance first according to the intensity of the secondary signal received
More accurate distance change.
As above, signal processing method according to embodiments of the present invention, by double antenna switching control, long distance can both be perceived
From equipment, near field communication devices can be perceived again, ensure that the closely perception that can carry out target device in this way, simultaneously
Also the remote perception of target device not enough will not be had influence on because of transmission power, overcomes the various of current distance measuring method and lack
Point.
Below, reference picture 3 illustrates the signal processing method of another embodiment of the present invention.Fig. 3 is depicted according to this hair
The flow chart of the signal processing method 300 of bright one embodiment.
It is similar with the method shown in Fig. 1, it is electric to second by the first antenna of the first electronic equipment in step S301
Sub- equipment sends the first signal.In step s 302, the first switching signal is received from the second electronic equipment, wherein the first switching letter
Number instruction the second electronic equipment according to the signal intensity of the first signal received satisfaction the first predetermined condition.As described above, the
One predetermined condition can be set including the various forms of conditions related to signal intensity.According to an embodiment of the invention, first
Predetermined condition refer to that the second electronic equipment calculates to obtain according to the signal intensity of first signal received its with it is described
The distance between first electronic equipment is less than the first preset distance.In step S303, first electronic equipment is according to receiving
First switching signal, it is switched to from the first signal is launched by first antenna by the second antenna transmitting secondary signal.And
In step S304, secondary signal is sent to the second electronic equipment by the second antenna, so that the second electronic equipment can be according to connecing
The signal intensity of the secondary signal received calculates it the distance between with the first electronic equipment.
Signal processing method 300 may additionally include in the electronic equipment of startup first after step S304 with enabling signal pair
The default application answered or the step S305 of default unit.Specifically as shown in figure 3, in step S305, connect from the second electronic equipment
Receive enabling signal, wherein enabling signal indicate the second electronic equipment according to the signal intensity of the secondary signal received calculate its with
The distance between first electronic equipment is less than the second preset distance, starts corresponding with enabling signal default in the first electronic equipment
Using or default unit.
According to an embodiment of the invention, the second electronic equipment is according to the secondary signal launched in step s 304 received
Signal intensity calculate it the distance between with the first electronic equipment, when the distance of calculating is less than the second pre-determined distance,
Two electronic equipments are sent out enabling signal, wherein, the second preset distance is the letter for the secondary signal launched according to the second antenna
Number intensity weighs the condition whether distance calculated meets preset distance, and the first pre-determined distance mentioned before is basis
The signal intensity of first signal of first antenna transmitting weighs the condition whether distance calculated meets preset distance, and second
Antenna transmitting secondary signal intensity compared to the first signal that first antenna is launched intensity in the change time-varying with distance
That changes is more sensitive, more conducively perceives the distance change of close-in target equipment, therefore the setting of the second pre-determined distance should be small
In the first pre-determined distance.Meanwhile enabling signal is to be used to make the startup of the first electronic equipment go to perform default application, operation or control
Trigger signal, when the first electronic equipment receives enabling signal, the control unit in the first electronic equipment starts control
Corresponding units perform default operation in one electronic equipment.Also, the first electronic equipment can basis when performing predetermined registration operation
The needs of operation or application send request signal or control enabling signal to the second electronic equipment so that the second electronic equipment root
The first electronic equipment is coordinated to perform related operation or application according to the request signal or control enabling signal that receive.
For current design of electronic products, power problemses are must take into consideration the problem of all the time, and for day
The widely used Portable movable electronic product of benefit, which then seems, to be even more important.Therefore, two kinds are might have after step S301
Situation occur, it is a kind of be as the first electronic equipment that step S302 is mentioned from the second electronic equipment receive the first switching signal feelings
Condition, it is another then be that the first electronic equipment never receives the first switching signal from the second electronic equipment, i.e., second
Electronic equipment never has the situation to the response of the first electronic equipment.
For above-mentioned second of situation, it may be possible to because time period is set without the second electronics around the first electronic equipment
It is standby, or second the first electronic equipment of electronic equipment distance can not far receive very much the first signal.Due to first antenna transmitting
First signal is higher compared to the power that the secondary signal that the second antenna is launched needs, in order to prevent the first electronic equipment because nothing
The excessive power consumption of the signal losses of transmitting first stopped, therefore also had after step S301 according to another embodiment of the present invention
Judge whether the time span for launching the first signal exceedes the step S306 of scheduled duration and perform control the first signal transmitting
Step S307.
Specifically, in step S306, the first electronic equipment should set a scheduled time length, and from starting to launch
Whether the time span that the first signal of transmitting is just calculated during the first signal exceedes the pre- of setting before the first switching signal is received
Fix time length, when more than scheduled time length, in step S307, the first electronic equipment is by control unit to control
Transmitter unit is stated, it is stopped generation and sends the first signal, or, the cycle of generation and the transmission of the first signal of extension, with
This saves the effect of the first powder consumption of electronic equipment to reach, wherein, scheduled time length can be according to actual conditions such as battery capacities
Carry out reasonable selection.
Because the distance of both the first electronic equipment and the second electronic equipment belongs to dynamic change, it is possible to which holding connects
Closely, it is also possible to remote suddenly.Therefore, when the first predetermined condition of satisfaction causes the first electronic equipment to have been switched to by described
When second antenna launches secondary signal, it is also contemplated that when the distance of the first electronic equipment and the second electronic equipment between the two is discontented with
The situation of the first predetermined condition of foot.
Therefore, according to another embodiment of the present invention, the method described in Fig. 3 may also include from the second electronic equipment and receive the
Two switching signals, wherein the second switching signal indicates that the second electronic equipment is discontented with according to the signal intensity of the secondary signal received
The first predetermined condition of foot, according to second switching signal received, switched back into from secondary signal is launched by the second antenna
First signal is launched by first antenna.According to an embodiment of the invention, the first electronic equipment is launched by second antenna
Secondary signal, the second electronic equipment calculate it between the first electronic equipment according to the signal intensity of the secondary signal received
Distance, when calculating distance due to two electronic equipments away from the first predetermined condition is unsatisfactory for when, the second electronic equipment is sent
Second switching signal so that the first electronic equipment is switched back into and launched by first antenna from launching secondary signal by the second antenna
First signal, ensure that the second electronic equipment remains able to receive the first electronic equipment hair when away from the first electronic equipment with this
The signal come, and the distance of measurement between the two is continued according to signal intensity.According to the example of the present invention, the first predetermined condition can
With including the first preset distance.
In addition, when multiple second electronic equipments be present around the first electronic equipment, in order to ensure that the first electronics is set
It is standby not by the signal interference of other multiple second electronic equipments, avoid signal response chaotic, according to an embodiment of the invention, each
The first switching signal and the second switching signal that second electronic equipment is sent contain the identification information of second electronic equipment, when
When one electronic equipment receives the first switching signal for the first time, this is sent by what the first switching signal of memory cell storage contained
The identification information of second electronic equipment of the first switching signal, the first electronic equipment is when receiving the second switching signal afterwards, first
Confirm whether the identification information that the second switching signal contains is corresponding with the identification information that the first switching signal of storage contains, when
The identification information that second switching signal received contains and the identification information that first switching signal of storage contains
When corresponding, switched back into from secondary signal is launched by second antenna by the first antenna the first signal of transmitting, with
This ensures that the first electronic equipment handles the response signal of same second electronic equipment all the time, avoids response or maloperation by mistake.
Here, the description of signal processing method 300 according to embodiments of the present invention, can be by setting scheduled time length
Solve without response when energy consumption problem, and can by store compare identification information solve multiple equipment signal mistake response and
Maloperation problem, meanwhile, the related application in two electronic equipments is started according to the distance exam of secondary signal intensity, is Fig. 1
Shown signal processing method 100 it is further perfect, further overcome the various shortcomings of current distance measuring method.
Below, reference picture 4 illustrates the signal processing apparatus of embodiments of the invention.Fig. 4 is shown according to of the invention one
The exemplary block diagram of the signal processing apparatus 400 of embodiment.As shown in Figure 4, the signal processing apparatus 400 of the present embodiment
Including the first transmitter unit 410, the second transmitter unit 420, receiving unit 430, control unit 440 and maintenance unit 470.Letter
The unit of number processing unit 400 can perform the signal processing method 100 in above-mentioned Fig. 1 and the letter in above-mentioned Fig. 3 respectively
Each step/function of number processing method 300.Therefore, only the critical piece of signal processing apparatus 400 is retouched below
State, and eliminate the above detail content that combined Fig. 1 and Fig. 3 were described.
For example, the first transmitter unit 410 connects first antenna, signal processing apparatus 400 is peripherad by first antenna
Electronic equipment sends the first signal, so that the electronic equipment of surrounding can confirm according to the signal intensity of the first signal received
Whether first predetermined condition is met.
Second transmitter unit 420 connects the second antenna, and signal processing apparatus 400 is set by the peripherad electronics of the second antenna
Preparation penetrates secondary signal, so that the electronic equipment of surrounding can calculate itself and letter according to the signal intensity of the secondary signal received
The distance between number processing unit 400.
According to the example of the present invention, first antenna and the second antenna are connected to the same transmitting of signal processing apparatus
Unit, signal processing apparatus by the transmitter unit come control respectively first antenna and the second antenna outwards the first signal of transmitting and
Secondary signal.For example, the transmitter unit of signal processing apparatus works as reception by the first higher signal of first antenna transmission power
During to the first switching signal, the control unit of signal processing apparatus control transmitter unit stop by first antenna transmission power compared with
The first high signal, then pass through the relatively low secondary signal of the second antenna transmission power.And transmitter unit can pass through first
The signal of antenna and the second antenna transmitting same type, such as Bluetooth signal, or, transmitter unit can pass through first day respectively
Line and the second antenna launch different types of signal, such as first antenna transmitting WIFI signal, the second antenna transmitting Bluetooth signal.
Switch and control the structure that two antennas are launched respectively by a transmitter unit so that the first electronic equipment need not increase volume
Outer emission controlling unit module, saves cost, reduces design difficulty, most of all particularly with existing portable set
Bluetooth technology is supported, Bluetooth transmission unit can retain and be not required to add extra transmitter module, versatile.
Alternatively, according to another example of the present invention, first antenna and the second antenna can be connected at signal
The first transmitter unit and the second transmitter unit of device are managed, wherein, the first transmitter unit control first antenna transmission power is higher
The first signal, the second transmitter unit controls the relatively low secondary signal of the second antenna transmission power.For example, cut when receiving first
When changing signal, the control unit of signal processing apparatus controls the stopping of the first transmitter unit higher by first antenna transmission power
First signal, then start the second transmitter unit and pass through the relatively low secondary signal of the second antenna transmission power.And the first transmitting
Unit and the second transmitter unit can launch phase by first antenna and the second antenna respectively as the transmitter module of same type
The signal of same type, such as Bluetooth signal, or, the first transmitter unit and the second transmitter unit can be used as different types of hair
Module is penetrated, so as to launch different types of signal, such as first antenna transmitting WIFI by first antenna and the second antenna respectively
Signal, the second antenna transmitting Bluetooth signal.
Receiving unit 430 can receive the signal of the electronic equipment transmitting of surrounding.For example, the first switching signal is received, its
In the first switching signal instruction electronic equipment according to the signal intensity of first signal received satisfaction the first predetermined condition.
For this area it should be known that the first predetermined condition can be set including the various forms of conditions related to signal intensity.Root
According to the example of the present invention, the first predetermined condition refers to signal of second electronic equipment according to first signal received
Strength co-mputation obtain its be less than the first preset distance the distance between with first electronic equipment.
For another example receiving unit 430 can receive the second switching signal, wherein the second switching signal indicates electronic equipment root
The first predetermined condition is unsatisfactory for according to the signal intensity of the secondary signal received.Specifically, signal processing apparatus passes through described
Two antennas launch secondary signal, and electronic equipment calculates itself and signal processing apparatus according to the signal intensity of the secondary signal received
The distance between, when calculating distance due to two equipment away from the first predetermined condition is unsatisfactory for when, electronic equipment sends the
Two switching signals.
Meanwhile receiving unit 430 can also receive enabling signal, wherein the enabling signal indicates the electronic equipment root
It is pre- less than second with the distance between the signal processing apparatus that it is calculated according to the signal intensity of the secondary signal received
Set a distance.According to an embodiment of the invention, the second preset distance is the signal intensity for the secondary signal launched according to the second antenna
To weigh the condition whether distance calculated meets preset distance, and the first pre-determined distance mentioned before is according to first day
The signal intensity of first signal of line transmitting weighs the condition whether distance calculated meets preset distance, the second antenna hair
The intensity for the secondary signal penetrated changes more compared to the intensity for the first signal that first antenna is launched when with the change of distance
Add sensitivity, more conducively perceive the distance change of close-in target equipment, therefore the setting of the second pre-determined distance should be less than first
Pre-determined distance.For enabling signal, it is to go to perform touching for default application, operation or control for starting signal processing apparatus
Signal.
Control unit 440 can perform corresponding control according to the signal that the receiving unit receives.For example, according to connecing
First switching signal received, control the transmitter unit logical from being switched to by the first antenna the first signal of transmitting
Cross the second antenna transmitting secondary signal.According to an embodiment of the invention, wherein signal processing apparatus only receives first
During switching signal, just transmitter unit is controlled to be switched to from by first antenna the first signal of transmitting by second by control unit
Antenna launches secondary signal.
For another example control unit 440 can according to second switching signal received, control the transmitter unit from
Launch secondary signal by second antenna to switch back into by the first antenna the first signal of transmitting.According to the reality of the present invention
Example is applied, the second electronic equipment sends the second switching signal so that signal processing apparatus launches secondary signal from by the second antenna
Switch back into and the first signal is launched by first antenna, ensure that electronic equipment remains able to connect when away from signal processing apparatus with this
The signal that signal processing apparatus is sent is received, and the distance of measurement between the two is continued according to signal intensity.
In addition, when multiple electronic equipments around signal processing apparatus be present, in order to ensure signal processing apparatus not
By the signal interference of other multiple electronic equipments, avoid signal response chaotic, according to an embodiment of the invention, each electronic equipment
The identification information that the first switching signal and the second switching signal sent contains the electronic equipment, when signal processing apparatus first time
When receiving the first switching signal, first switching signal is sent by what first switching signal of the storage of memory cell 450 contained
Electronic equipment identification information, afterwards signal processing apparatus first confirm the second switching signal when receiving the second switching signal
Whether the identification information contained is corresponding with the identification information that the first switching signal of storage contains, when described second received
When the identification information that switching signal contains is corresponding with the identification information that first switching signal stored contains, from passing through
State the second antenna transmitting secondary signal to switch back into by the first antenna the first signal of transmitting, signal processing apparatus is ensured with this
All the time the response signal of same electronic equipment is handled, avoids response or maloperation by mistake.
Meanwhile control unit 440 can also start the letter according to the enabling signal received from the electronic equipment, control
Default application corresponding with the enabling signal or default unit in number processing unit.According to an embodiment of the invention, signal is worked as
When processing unit receives enabling signal, the control unit in signal processing apparatus starts corresponding single in control signal processing unit
Member performs default operation.Also, signal processing apparatus can be according to the needs of operation or application when performing predetermined registration operation
Request signal or control enabling signal are sent to electronic equipment so that electronic equipment opens according to the request signal or control that receive
Dynamic signal coordinates signal processing apparatus to perform related operation or application.
For current design of electronic products, power problemses are must take into consideration the problem of all the time, and for day
The widely used Portable movable electronic product of benefit, which then seems, to be even more important.Therefore, according to an embodiment of the invention, at signal
Reason equipment might have two kinds of situations when sending the first signal to be occurred, and one kind is that signal processing apparatus receives first from electronic equipment
Switching signal, it is another then be that signal processing apparatus never receives the first switching signal from electronic equipment, i.e., the
Two electronic equipments never respond to the first electronic equipment.The appearance of second of situation is probably because the first electronic equipment week
First can not far be received very much without the second electronic equipment, or second the first electronic equipment of electronic equipment distance by enclosing time period
Signal.Because the first signal of first antenna transmitting is higher compared to the power that the secondary signal that the second antenna is launched needs, it is
The first electronic equipment is prevented because the excessive power consumption of first signal losses of undying transmitting, signal processing apparatus need to pass through
Control unit is controlled by.
Specifically, signal processing apparatus should set a scheduled time length, and from when starting to launch the first signal just
The time span of the first signal of transmitting is calculated by computing unit 460, when the time span of calculating exceedes the pre- timing set
Between length when, signal processing apparatus controls the transmitter unit by control unit, make its stop generation and send first letter
Number, or, control extends the cycle of generation and the transmission of the first signal, and the effect of saving signal processing apparatus power consumption is reached with this
Fruit, wherein, scheduled time length can be according to actual conditions such as battery capacities come reasonable selection.
When signal processing apparatus belongs to wearable device, it can include maintenance unit 470, for maintain device and
At least one of relative position relation of user's body.For example, intelligent glasses, its leg of spectacles is positioned over people as maintenance unit
Ear on；Intelligent watch, its watchband is as maintenance unit around in the wrist of human body.
The main function of double antenna technology is preferably realize sensing closely, therefore range information is in Internet of Things
The net epoch will play a great role, and be suitably adapted for many application scenarios.
According to an example of the present invention, when signal processing apparatus is less than preset distance close to electronic equipment, the signal
Processing unit is according to the enabling signal generation mode switching signal received from electronic equipment so that control unit completes pattern switching
Operation.For example, when wearable device is close to the mobile phone arrival preset range with double antenna handoff functionality, mobile phone is set according to from wearing
The standby enabling signal generation unlocking control signal received so that control unit completes automatic unlocking.
According to another example of the present invention, when portable electric appts are less than in advance close to predetermined signal processing apparatus
During set a distance, signal processing apparatus can generate control instruction according to the enabling signal received from the electronic equipment, to the electronics
Equipment sends control instruction and causes the control unit of electronic equipment to complete control according to instruction.For example, per money commodity in supermarket
Be placed with shelf accordingly can double antenna switching equipment, customer inputs the commodity for wanting purchase in a portable device, when connecing
When being bordering on the commodity shelf to be bought, the double antenna switching equipment of the commodity shelf to be bought receives the startup letter of portable set
Prompt tone control signal number is generated and sent, portable set receives the section for the prompt tone control signal control prompt tone sent
Play, closer to the commodity shelf to be bought, the rhythm of the prompt tone of portable set is faster, prompts customer to be quickly found out with this and thinks
The commodity to be bought.
According to another example of the present invention, when signal processing apparatus is less than preset distance close to electronic equipment, letter
Number processing unit can cause control unit according to having instructed according to the enabling signal generation operational order received from electronic equipment
Into operation, for example, scenic spot is provided with the self-service explanation equipment with double antenna handoff functionality, connect when visitor carries portable set
When in nearly arrival preset range, self-service explanation equipment starts explanation according to the enabling signal generation received from portable set and referred to
Order so that playback equipment plays explanation file.
As above, signal processing apparatus according to embodiments of the present invention, by double antenna switching control, set at a distance perceiving
Using the stronger antenna of transmission power when standby, when target device is constantly close to so that the stronger antenna of transmission power can not perceived distance
During change, it is switched to its RSSI (received signal strength indicator) with distance change and changes the more obvious weaker antenna of transmission power,
The closely perception that can carry out target device is ensure that in this way, while also will not enough be influenceed because of transmission power
To the remote perception of target device；And energy consumption problem during by setting the control of scheduled time length without response, by depositing
Store up and compare identification information and solve the problems, such as the mistake response of multiple equipment signal and maloperation so that signal processing apparatus being capable of low consumption
Stable operation.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, the composition and step of each example are generally described according to function in the above description.This
A little functions are performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.This
Art personnel can realize described function using distinct methods to each specific application, but this realization
It is it is not considered that beyond the scope of this invention.
It should be appreciated by those skilled in the art that responsible design requirement and other factorses the present invention is carried out various modifications,
Combination, part are combined and replaced, as long as in appended claims and its equivalency range.
Claims (14)
- A kind of 1. method of signal transacting, applied to the first electronic equipment, wherein first electronic equipment includes first antenna With the second antenna, methods described includes：First signal is sent to the second electronic equipment by the first antenna；The first switching signal is received from second electronic equipment, wherein first switching signal indicates that second electronics is set The standby signal intensity according to first signal received meets the first predetermined condition；According to first switching signal received, it is switched to from the first signal is launched by the first antenna by described Second antenna launches secondary signal, wherein, the signal intensity of first signal is higher than the signal intensity of the secondary signal；Secondary signal is sent to second electronic equipment by second antenna, so that second electronic equipment can root It is calculated the distance between with first electronic equipment according to the signal intensity of the secondary signal received.
- 2. the method according to claim 11, in addition to：The second switching signal is received from second electronic equipment, wherein second switching signal indicates that second electronics is set The standby signal intensity according to the secondary signal received is unsatisfactory for the first predetermined condition；According to second switching signal received, switched back into from secondary signal is launched by second antenna by described First antenna launches the first signal.
- 3. method according to claim 1 or 2, whereinFirst predetermined condition refers to signal strength meter of second electronic equipment according to first signal received Its obtained is less than the first preset distance the distance between with first electronic equipment.
- 4. the method according to claim 11, whereinThe first antenna and second antenna are controlled to outgoing by the transmitter unit of first electronic equipment respectively First signal and the secondary signal are penetrated, wherein the first antenna and second antenna are connected to identical transmitting list Member.
- 5. the method according to claim 11, whereinIt is less than according to the precision of the distance of the signal intensity calculating with first signal according to the signal of the secondary signal The precision of the distance of Strength co-mputation.
- 6. the method according to claim 11, whereinFirst switching signal and second switching signal contain the identification information of second electronic equipment；Methods described also includes：Store the identification information that first switching signal contains；Determine identification information that second switching signal contains whether the mark contained with first switching signal of storage Information is corresponding；Wherein, second switching signal that the basis receives switches back into from by second antenna transmitting secondary signal The step of launching the first signal by the first antenna includes：When the mark that first switching signal of the identification information that second switching signal received contains and storage contains When knowledge information is corresponding, switched back into from secondary signal is launched by second antenna by the letter of first antenna transmitting first Number.
- 7. the method according to claim 11, in addition to：Calculate the time span for launching the first signal by the first antenna；When the time span for launching the first signal by the first antenna exceedes scheduled time length, extend first letter Number generation and transmission cycle, or stop generation and send first signal.
- 8. the method according to claim 11, in addition to：Enabling signal is received from second electronic equipment, wherein the enabling signal indicates second electronic equipment according to connecing The signal intensity of the secondary signal received calculate its be less than the distance between with first electronic equipment second it is default away from From；Start default application corresponding with the enabling signal or default unit in first electronic equipment.
- 9. a kind of signal processing apparatus, including：First transmitter unit, connects first antenna, and configuration to send the first signal to electronic equipment by the first antenna；Second transmitter unit, connects the second antenna, and configuration to electronic equipment transmitting second believes by second antenna Number；Receiving unit, configure to receive the signal of the electronic equipment transmitting；Control unit, the signal for configuring to be received according to the receiving unit perform corresponding control；Wherein, the first signal is sent to electronic equipment by the first antenna, so that the electronic equipment can be according to reception To first signal signal intensity be confirmed whether meet the first predetermined condition；AndSecondary signal is launched to the electronic equipment by second antenna, so that the electronic equipment can be according to receiving The signal intensity of the secondary signal calculate it the distance between with the signal processing apparatus, wherein, first signal Signal intensity be higher than the secondary signal signal intensity.
- 10. signal processing apparatus according to claim 9, wherein described receiving unit configuration sets to receive the electronics The signal that preparation is penetrated includes：Configuration to receive the first switching signal from the electronic equipment, wherein first switching signal indicates the electronic equipment First predetermined condition is met according to the signal intensity of first signal received；Configuration to receive the second switching signal from the electronic equipment, wherein second switching signal indicates the electronic equipment First predetermined condition is unsatisfactory for according to the signal intensity of the secondary signal received；AndConfiguration to receive enabling signal from the electronic equipment, wherein the enabling signal indicates the electronic equipment according to reception To the signal intensity of the secondary signal calculate it and be less than the second preset distance the distance between with the signal processing apparatus.
- 11. signal processing apparatus according to claim 10, wherein described control unit configuration comes according to the reception The signal that unit receives, which performs corresponding control, to be included：Configuration, according to first switching signal received, to control the transmitter unit from by the first antenna to launch First signal is switched to launches secondary signal by second antenna；Configuration, according to second switching signal received, to control the transmitter unit from by second antenna to launch Secondary signal switches back into launches the first signal by the first antenna；Configuration comes according to the enabling signal received from the electronic equipment, and control starts opens in the signal processing apparatus with described Application or default unit are preset corresponding to dynamic signal.
- 12. the signal processing apparatus according to claim 9 or 10, whereinFirst transmitter unit and second transmitter unit are identical transmitter unit.
- 13. signal processing apparatus according to claim 10, whereinFirst switching signal and second switching signal contain the identification information of the electronic equipment；The signal processing apparatus also includes：Memory cell, configure to store the identification information that first switching signal contains；Described control unit determines whether the identification information that second switching signal contains switches with described the first of storage and believed Number identification information contained is corresponding；When the mark that first switching signal of the identification information that second switching signal received contains and storage contains When knowledge information is corresponding, described control unit is configured to control the transmitter unit from by the letter of second antenna transmitting second Number switch back into and the first signal is launched by the first antenna.
- 14. signal processing apparatus according to claim 9, in addition to：Computing unit, configure to calculate the time span by the first antenna the first signal of transmitting；When the time span for launching the first signal by the first antenna exceedes scheduled time length, described control unit is matched somebody with somebody The cycle of generation and the transmission to control the transmitter unit to extend first signal is put, or is stopped described in generation and transmission First signal.
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| CN106896356B (en) * | 2016-08-17 | 2019-11-19 | 阿里巴巴集团控股有限公司 | Determine method, position indicating method and its device and system of distance change |
| CN113949420B (en) * | 2020-06-30 | 2023-10-20 | 华为技术有限公司 | Vehicle control method, electronic equipment and system |
| CN112099741B (en) * | 2020-07-30 | 2022-07-12 | 华为技术有限公司 | Display screen position identification method, electronic device and computer readable storage medium |
| CN114205812A (en) * | 2020-08-31 | 2022-03-18 | 华为技术有限公司 | Data transmission method and electronic equipment |
| CN114945133A (en) * | 2021-02-08 | 2022-08-26 | 华为技术有限公司 | Method, device and system for determining equipment position |
| CN113099032B (en) * | 2021-03-29 | 2022-08-19 | 联想(北京)有限公司 | Information processing method and device, electronic equipment and storage medium |
| CN116963103A (en) * | 2022-04-15 | 2023-10-27 | 维沃移动通信有限公司 | Perception processing method and device, network side equipment and terminal |
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