CN109302738A - A kind of methods, devices and systems adjusting wireless signal transmission power - Google Patents
A kind of methods, devices and systems adjusting wireless signal transmission power Download PDFInfo
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- CN109302738A CN109302738A CN201710613700.1A CN201710613700A CN109302738A CN 109302738 A CN109302738 A CN 109302738A CN 201710613700 A CN201710613700 A CN 201710613700A CN 109302738 A CN109302738 A CN 109302738A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/247—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter sent by another terminal
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Abstract
The disclosure is directed to a kind of methods, devices and systems for adjusting wireless signal transmission power, belong to technical field of radio.The described method includes: receiving the signal of signal transmitting equipment transmitting, and determine the first signal strength of the signal received；First signal strength is compared with preset signal strength range；If first signal strength determines power adjustment information not in preset signal strength range, according to first signal strength and the signal strength range, the power adjustment information is sent to signal transmitting equipment.Using the disclosure, the power of transmitting signal can be adaptively adjusted according to the signal strength of the signal received, to save electric energy used in transmitting signal.When reducing the power of transmitting signal, the signal of the energy long-distance communications based on the transmitting of high-strength transmission power in transmission medium can also be correspondingly reduced, to reduce the signal interference factor in transmission medium.
Description
Technical field
The disclosure is directed to technical field of radio, especially with respect to a kind of method for adjusting wireless signal transmission power,
Device and system.
Background technique
With the development of science and technology, radio technology is more and more widely used.For example, in safety-security area
In, can use wireless exploration, it detects ambient enviroment, the data detected is emitted to wireless alarm, no report from a liner
Alert device carries out processing and carries out correspondingly alarm according to processing result to operate to the data received.
In the related art, the power of signal transmitting equipment transmitting wireless signal is fixed.In the reception of wireless signal
In the process, it is only necessary to which the signal strength for guaranteeing the signal that signal receiver receives is can be normally carried out signal identification strong
Degree.
It is received with fixed power emission wireless signal when signal transmitting equipment is closer with signal receiver
The signal strength of signal will can be normally carried out the signal strength of signal identification far more than signal receiver.As it can be seen that with fixation
Power emission wireless signal will cause the waste of electric energy in the above case said.
Summary of the invention
In order to overcome the problems, such as that present in the relevant technologies, present disclose provides following technical schemes:
According to the first aspect of the embodiments of the present disclosure, a kind of method adjusting wireless signal transmission power, the side are provided
Method includes:
The signal of signal transmitting equipment transmitting is received, and determines the first signal strength of the signal received；
First signal strength is compared with preset signal strength range；
If first signal strength is not in preset signal strength range, according to first signal strength and institute
It states signal strength range and determines power adjustment information, send the power adjustment information to signal transmitting equipment.
Optionally, when first signal strength is higher than the upper limit of preset signal strength range, the power regulation
Information is the first information that instruction reduces transmission power；When first signal strength is lower than under preset signal strength range
In limited time, the power adjustment information is the second information that instruction improves transmission power.
Optionally it is determined that the signal strength of the signal received, comprising:
The RSSI value of the signal received is obtained from signal strength instruction RSSI register；
The signal strength is calculated based on the RSSI value.
Optionally, the signal for receiving signal transmitting equipment transmitting, and determine that the first signal of the signal received is strong
Degree, comprising:
The signal for receiving signal transmitting equipment n times transmitting, calculates the average value of the signal strength of each signal received, obtains
To the first signal strength, wherein N is preset positive integer.
Optionally, the average value of the signal strength for calculating each signal received, obtains the first signal strength, wraps
It includes:
It in the signal strength of each signal received, chooses and meets multiple signal strengths of normal distribution, described in calculating
The average value of multiple signal strengths obtains the first signal strength.
According to the second aspect of an embodiment of the present disclosure, a kind of method adjusting wireless signal transmission power, the side are provided
Method includes:
Emit signal to signal receiver；
The power adjustment information that the signal receiver is sent is received, and is adjusted and is emitted according to the power adjustment information
Power.
Optionally, the power adjustment information is that instruction reduces the first information of transmission power or instruction improves transmission power
The second information.
Optionally, it when the power adjustment information is the first information, is adjusted and is sent out according to the power adjustment information
Penetrate power, comprising:
Transmission power is reduced into default value；
When the power adjustment information is second information, transmission power is adjusted according to the power adjustment information,
Include:
Transmission power is improved into default value.
According to the third aspect of an embodiment of the present disclosure, a kind of device adjusting wireless signal transmission power, the dress are provided
It sets and includes:
Receiving module for receiving the signal of signal transmitting equipment transmitting, and determines the first signal of the signal received
Intensity；
Comparison module, for first signal strength to be compared with preset signal strength range；
Sending module, for when first signal strength is not in preset signal strength range, according to described the
One signal strength and the signal strength range determine power adjustment information, send the power tune to signal transmitting equipment
Save information.
Optionally, when first signal strength is higher than the upper limit of preset signal strength range, the power regulation
Information is the first information that instruction reduces transmission power；When first signal strength is lower than under preset signal strength range
In limited time, the power adjustment information is the second information that instruction improves transmission power.
Optionally, the receiving module includes:
Acquiring unit, for obtaining the RSSI value of the signal received from signal strength instruction RSSI register；
Computing unit, for calculating the signal strength based on the RSSI value.
Optionally, the receiving module is used to receive the signal of signal transmitting equipment n times transmitting, calculates each letter received
Number signal strength average value, obtain the first signal strength, wherein N be preset positive integer.
Optionally, the receiving module is used in the signal strength of each signal received, and selection meets normal distribution
Multiple signal strengths, calculate the average value of the multiple signal strength, obtain the first signal strength.
According to a fourth aspect of embodiments of the present disclosure, a kind of device adjusting wireless signal transmission power, the dress are provided
It sets and includes:
Transmitting module, for emitting signal to signal receiver；
Adjustment module, the power adjustment information sent with the reception signal receiver, and according to the power regulation
Information adjusts transmission power.
Optionally, the power adjustment information is that instruction reduces the first information of transmission power or instruction improves transmission power
The second information.
Optionally, when the power adjustment information is the first information, the adjustment module is used for transmission power
Reduce default value；
When the power adjustment information is second information, the adjustment module is used to improve transmission power default
Numerical value.
According to a fifth aspect of the embodiments of the present disclosure, a kind of system adjusting wireless signal transmission power, the system are provided
System includes that signal receiver and signal emit equipment；
The signal receiver is used to execute the adjusting wireless signal transmitting function of first aspect disclosed in above-described embodiment
The method of rate；
The signal transmitting equipment is used to execute the adjusting wireless signal transmitting function of second aspect disclosed in above-described embodiment
The method of rate.
According to a sixth aspect of an embodiment of the present disclosure, a kind of terminal is provided, the terminal includes processor and memory, institute
It states and is stored at least one instruction, at least one section of program, code set or instruction set in memory, at least one instruction, institute
At least one section of program, the code set or instruction set is stated to be loaded by the processor and executed to realize above-mentioned adjusting wireless signal
The method of transmission power.
According to the 7th of embodiment of the present disclosure aspect, a kind of computer readable storage medium is provided, in the storage medium
It is stored at least one instruction, at least one section of program, code set or instruction set, described at least one instructs, is at least one section described
Program, the code set or instruction set are loaded by processor and are executed the side to realize above-mentioned adjusting wireless signal transmission power
Method.
The technical scheme provided by this disclosed embodiment can include the following benefits:
The method provided through this embodiment, when the first signal strength is not in preset signal strength range, according to
First signal strength and signal strength range determine power adjustment information, send power adjustment information to signal transmitting equipment, can
Adaptively to adjust the power of transmitting signal according to the signal strength of the signal received, to save used in transmitting signal
Electric energy.Further, it will cause to do for other useful signals since the signal when long-distance communications is transferred to useless place
It disturbs, therefore when reducing the power of transmitting signal, can also correspondingly reduce in transmission medium and be emitted based on high-strength transmission power
Energy long-distance communications signal, to reduce the signal interference factor in transmission medium.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.In the accompanying drawings:
Fig. 1 is a kind of flow chart of method for adjusting wireless signal transmission power shown according to an exemplary embodiment；
Fig. 2 is a kind of flow chart of method for adjusting wireless signal transmission power shown according to an exemplary embodiment；
Fig. 3 is a kind of flow chart of method for adjusting wireless signal transmission power shown according to an exemplary embodiment；
Fig. 4 is a kind of flow chart of method for adjusting wireless signal transmission power shown according to an exemplary embodiment；
Fig. 5 is a kind of schematic diagram of device for adjusting wireless signal transmission power shown according to an exemplary embodiment；
Fig. 6 is a kind of schematic diagram of device for adjusting wireless signal transmission power shown according to an exemplary embodiment；
Fig. 7 is a kind of schematic diagram of device for adjusting wireless signal transmission power shown according to an exemplary embodiment；
Fig. 8 is a kind of schematic diagram of system for adjusting wireless signal transmission power shown according to an exemplary embodiment；
Fig. 9 is a kind of structural schematic diagram of terminal shown according to an exemplary embodiment.
Through the above attached drawings, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings
It is not intended to limit the scope of this disclosure concept by any means with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate the concept of the disclosure.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The embodiment of the invention provides a kind of methods for adjusting wireless signal transmission power, and this method can be by two terminals
Common cooperation is realized.Wherein, terminal can be signal transmitting equipment, signal receiver etc..Terminal may include transceiver, place
Manage the components such as device, memory.Transceiver can be used for the data transmission between terminal, for example, signal transmitting equipment can be to letter
Number receiving device emits signal, and transceiver may include antenna, match circuit, radio circuit etc..Processor can be CPU
(Central Processing Unit, central processing unit) etc., is determined for the first signal strength, by the first signal
Intensity is compared with preset signal strength range, waits processing.Memory can be RAM (Random Access
Memory, random access memory), Flash (flash memory) etc. can be used for needed for storing the data received, treatment process
The data etc. generated in data, treatment process.
Terminal can also include input part, display unit, audio output part etc..Input part can be touch screen,
Key, mouse etc..Audio output part can be speaker, earphone etc..
It may include signal transmitting equipment and signal receiver in the embodiment of the present invention, signal transmitting equipment can be
Wireless detector, signal receiver can be wireless alarm.In the present embodiment, using signal transmitting equipment as wireless exploration
For device, signal receiver are wireless alarm, the transmission power of wireless detector are adjusted, the detailed of scheme is carried out
Illustrate, other situations are similar therewith, and this embodiment is not repeated.
An exemplary embodiment of the present disclosure provides a kind of methods for adjusting wireless signal transmission power, as shown in Figure 1, should
The process flow of method may include following step:
Step S110, receives the signal of signal transmitting equipment transmitting, and determines the first signal strength of the signal received.
First signal strength is compared by step S120 with preset signal strength range.
Step S130, if the first signal strength not in preset signal strength range, according to the first signal strength and
Signal strength range determines power adjustment information, sends power adjustment information to signal transmitting equipment.
Above-mentioned steps S110, step S120 and step S130 can be executed in signal receiver.
Disclosure another exemplary embodiment provides a kind of method for adjusting wireless signal transmission power, as shown in Fig. 2,
The process flow of this method may include following step:
Step S210 emits signal to signal receiver.
Step S220 receives the power adjustment information that signal receiver is sent, and is adjusted and sent out according to power adjustment information
Penetrate power.
Above-mentioned steps S210 and step S220 can emit in equipment in signal to be executed.
Referring to Fig. 3, a kind of method adjusting wireless signal transmission power provided in this embodiment is carried out specifically
It is bright.
Step S110, signal receiver receive the signal of signal transmitting equipment transmitting, and determine the signal received
First signal strength.
Above-mentioned steps S110 can be executed in signal receiver, and correspondingly, signal emits equipment and sets in signal reception
Before standby execution step S110, step S210 can be executed.Step S210, signal emit equipment and emit letter to signal receiver
Number.
In an implementation, firstly, wireless detector can detect ambient enviroment, as wireless smoke detector can be right
The content for the smog for including in surrounding air is detected, then, can be with the transmission power of reservation based on detection the data obtained
Emit signal to wireless alarm.Wireless alarm can receive the signal of wireless detector transmitting.Wherein, the transmitting function of reservation
Rate can be the Initial Trans that wireless detector is set when leaving the factory.It should be noted that wireless detector, without report from a liner
Alert device can generally be communicated using the frequency range of Sub-1G (launching centre frequency is lower than 1G Hz).Wherein, in Sub-1G frequency range
In, common fixed transmission centre frequency is 315MHz, 433MHz, 868MHz and 915MHz.In addition, wireless detector is general
The dry cell or knob that will not be powered using fixed power source, be powered for example, by using alternating current, but its own is used to carry
Button battery is powered, therefore its power supply capacity is limited, if replacing battery not in time, the electric energy in battery may be at one section
Between after use up.When transmitting signals, the CPU of wireless detector and radio circuit can be called out from the sleep state of low-power consumption
It wakes up, the signal that then needs are emitted is launched by way of radio wave, then the CPU and radio frequency of wireless detector
Circuit can be again introduced into sleep state.In a sleep state, the electric current on wireless detector is in microampere order, in transmitting signal
When, the electric current on wireless detector is in milliampere grade.
During emitting signal, wireless detector and wireless alarm can carry out two-way communication, it can be set
Maximum communication number is three times.Specifically, when communicating first time, if wireless detector is emitting signal to wireless alarm
Afterwards, the acknowledgement frame of wireless alarm is not received, then carries out second and communicate.If second communicates, wireless detector does not receive yet
The acknowledgement frame of wireless alarm then carries out third time communication.If third time communicates, wireless detector does not receive radio alarming still
The acknowledgement frame of device, then wireless detector no longer emits signal.It can guarantee the reliability of data interaction using above-mentioned communication mode.
In an implementation, before wireless detector can emit signal to wireless detector based on detection the data obtained, also
First wireless detector can be registered on wireless alarm, to guarantee that two equipment can carry out normal data interaction.In reality
In the application environment of border, after completing registration operation, need to be installed to wireless detector, wireless alarm on fixed position.
After installation is complete, wireless detector and wireless alarm can be opened, wireless detector and wireless alarm pass through heartbeat machine
System carries out the detection of presence each other.
Optionally, more accurate first signal strength, step S110 include: that signal receiver receives signal in order to obtain
The signal for emitting the transmitting of equipment n times, calculates the average value of the signal strength of each signal received, obtains the first signal strength,
Wherein, N is preset positive integer.
In an implementation, only take the signal once received signal strength be it is inadequate, which may be because logical
Believe the variation of environment and the signal strength of the signal integrally received cannot be reacted.Therefore, signal transmitting equipment n times be can receive
The signal of transmitting calculates the average value of the signal strength of each signal received, obtains the first signal strength.
In an implementation, can wireless detector, wireless alarm memory in establish a mapping table respectively.At this
In mapping table, can correspondingly the tracer signal transmitting ID of equipment, signal reception time, signal signal strength.It needs
It is bright, in the present embodiment necessary not only for establishing such a mapping table in wireless alarm, it is also necessary to wirelessly visit
It surveys in device and also establishes a mapping table.Because wireless detector, wireless alarm transmitting signal direction be it is mutual, work as nothing
When line alarm emits signal to wireless detector, side that the transmission power of wireless alarm can also provide through this embodiment
Method is adjusted.
When establishing mapping table in the memory in wireless detector, wireless alarm respectively, and remember in the mapping table
After recording N item record, the signal strength of N number of signal received can be obtained from mapping table, and calculate their average value,
Obtain the first signal strength.
Optionally, more accurate first signal strength, signal receiver can also receive nothing from the M times in order to obtain
After the signal of line detector transmitting, starts the signal strength average value for calculating each signal between the M times to the M+N times, obtain
To the first signal strength.Wherein, M is preset positive integer.
In an implementation, it before wireless detector, wireless alarm are not mounted on fixed position, may be visited to wireless
Survey device, wireless alarm are tested, or are registered, and during being tested or being registered, can also generate data friendship
Mutually, the signal strength recorded at that time is inaccurate.Therefore, M-1 signal strength before can removing, calculates from the M times
The signal strength average value for starting each signal between the M+N times, obtains the first signal strength.Wherein, M can be experience and take
Value, such as set M is 100, it is general test or register during the number of data interaction be not more than 100 times.
Optionally, more accurate first signal strength, signal receiver calculate each signal received in order to obtain
The average value of signal strength, the step of obtaining the first signal strength may include: in the signal strength of each signal received,
The multiple signal strengths for meeting normal distribution are chosen, the average value of multiple signal strengths is calculated, obtains the first signal strength.
In an implementation, the signal strength of certain signals may because of the communication environment of burst variation and cannot react real
Border communication environment situation.For example, at a time, because of the thunder and lightning weather that weather suddenly change generates, signal strength at this time
It may be influenced and be died down by thunder and lightning.Generally, by probability statistics it is found that the signal strength of the signal received meets just
State distribution.And the signal for being unsatisfactory for normal distribution may be exactly affected signal because of the communication environment of sudden change, because
This can choose the multiple signal strengths for meeting normal distribution, calculate multiple letters in the signal strength of each signal received
The average value of number intensity, obtains the first signal strength.
Optionally, as shown in figure 4, step S110 may include: step S410, signal receiver is from RSSI register
Obtain the RSSI value of the signal received；Step S420, signal receiver are based on RSSI value and calculate signal strength.
Specifically, it after wireless alarm receives the signal of wireless detector transmitting, is connect in the signal of wireless alarm
Receive the intensity level signal that the signal received can be correspondingly stored in the corresponding RSSI register of chip, i.e. RSSI value.Then,
The actual value of signal strength can be calculated by following formula 1.
Wherein, P is the actual value of signal strength, and RSSI is the RSSI value obtained from RSSI register, and C is calibration value.
Wherein, C is the numerical value between -30 to+30.Specifically, before wireless alarm is installed, a signal source can be used and set
Standby, signal source equipment, which is adjusted, can emit the signal needed, and the power P of the signal is it is known that be input to radio alarming for the signal
In device, then, RSSI value can be read in the corresponding RSSI register of its signal receiving chip.When signal source equipment input
The power P of signal is it is known that RSSI is it is known that then C can be uniquely determined accordingly.After C is determined, the value of C can be written
In memory without money alarm, when application formula 1, the value of C can be directly applied.
First signal strength is compared by step S120, signal receiver with preset signal strength range.
Wherein, the central value of preset signal strength range can the signal receiving chip based on wireless alarm it is corresponding
Signal receiving sensitivity and shadow fading deposit determine.Wherein, shadow fading deposit is for shadow fading problem and shade
Additional path brought by declining is lost problem and generates.Shadow fading can generate communication overlay blind area, communication coverage area
Edge communication quality can decline, and the way for usually preventing shadow fading is to increase shadow fading deposit to signal receiver, with
It is anti-to cause wireless alarm not receive signal because environmental change leads to the problem of shadow fading.Shadow fading deposit can be by formula
2 are calculated.
Wherein, R is the reliability index of communication, σxFor the standard deviation of shadow fading.Formula 2 is normal probability integral public affairs
Formula, therefore normal probability integral table can be looked into determine the value in formula 2, normal probability integral table is as shown in table 1.
| F/σ | -1.645 | -1.2815 | -0.8417 |
| 1-R | 0.05 | 0.1 | 0.2 |
Table 1
If taking σx=8dB, 1-R=0.05,0.1,0.2, then F can be determined according to table 1σRespectively -13.16dB, -
10.25dB -6.734dB.In the case where 1-R=0.05,0.1,0.2, R 95%, 90%, 80%.So to obtain
95%, 90%, the reliability index of 80% communication, then be respectively necessary for reserving -13.16dB, -10.25dB's, -6.734dB
Shadow fading deposit.
In addition, the corresponding signal receiving sensitivity of signal receiving chip according to the data transfer rate of signal source and transmitting frequency deviation not
It is same to will be different.For example, the data transfer rate in signal source is receiving sensitivity in the case that 10kbps transmitting frequency deviation is 20KHz
For -101dBm.It therefore, is 10kbps in the data transfer rate of signal source, transmitting frequency deviation is 20KHz, and provides 95% reliable communication
In the case where, it is -101dBm and shadow fading that the central value of preset signal strength range, which can be set as receiving sensitivity,
The sum of deposit, i.e. -101dBm+ (- 13.16dB), result are about -87dBm.Then, preset signal strength range can be taken
The range of central value 3dBm up and down be preset signal strength range, i.e. -90dBm is to -84dBm.
Step S130, if the first signal strength, not in preset signal strength range, signal receiver is according to
One signal strength and signal strength range determine power adjustment information, send power adjustment information to signal transmitting equipment.
Optionally, when the first signal strength is higher than the upper limit of preset signal strength range, power adjustment information is to refer to
Show the first information for reducing transmission power；When the first signal strength is lower than the lower limit of preset signal strength range, power tune
Section information is the second information that instruction improves transmission power.
In an implementation, if the signal strength of the signal of transmitting is big, emit the power of needs with regard to big, on the contrary, if hair
The signal strength for the signal penetrated is small, then emits the power of needs with regard to small.For signal receiving chip, signal strength only needs
Higher than receiving sensitivity, electric energy needed for excessive signal strength can only can waste transmitting signal.Therefore, when judging first
When signal strength is higher than the upper limit of preset signal strength range, power adjustment information is the first letter that instruction reduces transmission power
Breath；When judging that the first signal strength is lower than the lower limit of preset signal strength range, power adjustment information is that instruction improves hair
Penetrate the second information of power.Judging result is fed back to wireless detector by wireless alarm by way of power adjustment information,
Wireless detector receives the power adjustment information that wireless alarm is sent, and adjusts transmission power according to power adjustment information.Phase
Ying Di can execute step S220: step S220 in signal transmitting equipment, and signal emits equipment and receives signal receiver hair
The power adjustment information sent, and transmission power is adjusted according to power adjustment information
Optionally, step S220 may include: power adjustment information be the first information when, signal transmitting equipment will emit function
Rate reduces default value；When power adjustment information is the second information, signal emits equipment and transmission power is improved default value.
The amplitude of adjusting can be the regulated value of reservation, such as 3dBm.Or the value of the amplitude adjusted can also be calculated by related algorithm,
This embodiment is not limited herein.
It should be noted that be only wireless alarm using signal transmitting equipment as wireless detector, signal receiver,
For the transmission power of wireless detector is adjusted, the detailed description of scheme is carried out, can also actually be emitted with signal
Equipment is wireless alarm, and using signal receiver as wireless detector, the method provided through this embodiment is to wireless exploration
The transmission power of device is adjusted.Adjusting method is similar with the above method, with regard to not illustrating one by one.
Wireless detector and wireless alarm can be deployed in building environment, because of each wireless detector and no report from a liner
The position of alert device installation is different, so the degree of signal decaying is also different when data are transmitted.Signal decaying lesser two is set
Standby communication process can reduce the transmission power of signal transmitting equipment.Thus it while saving electric energy, also still can ensure that
The stability of data.Decay the communication process of biggish two equipment for signal, the transmitting function of signal transmitting equipment can be improved
Rate, to ensure the stability of data.It is found through actual test, wireless detector and wireless alarm are installed in fixed position
Later, they can enter the operating mode of automatic adjustment transmission power, and transmission power is set when leaving the factory with respect to them
Initial Trans reduce.Transmission power is lower, and the power consumption of equipment can also decrease, the signal of entire wireless communication system
Interference opposite can also be reduced.
The method provided through this embodiment, when the first signal strength is not in preset signal strength range, according to
First signal strength and signal strength range determine power adjustment information, send power adjustment information to signal transmitting equipment, can
Adaptively to adjust the power of transmitting signal according to the signal strength of the signal received, to save used in transmitting signal
Electric energy.Further, it will cause to do for other useful signals since the signal when long-distance communications is transferred to useless place
It disturbs, therefore when reducing the power of transmitting signal, can also correspondingly reduce in transmission medium and be emitted based on high-strength transmission power
Energy long-distance communications signal, to reduce the signal interference factor in transmission medium.
Disclosure another exemplary embodiment provides a kind of device for adjusting wireless signal transmission power, as shown in figure 5,
The device includes:
Receiving module 510 for receiving the signal of signal transmitting equipment transmitting, and determines the first letter of the signal received
Number intensity；
Comparison module 520, for the first signal strength to be compared with preset signal strength range；
Sending module 530 is used for when the first signal strength is not in preset signal strength range, according to the first signal
Intensity and signal strength range determine power adjustment information, send power adjustment information to signal transmitting equipment.
Optionally, when the first signal strength is higher than the upper limit of preset signal strength range, power adjustment information is to refer to
Show the first information for reducing transmission power；When the first signal strength is lower than the lower limit of preset signal strength range, power tune
Section information is the second information that instruction improves transmission power.
Optionally, as shown in fig. 6, receiving module 510 includes:
Acquiring unit 611, for obtaining the RSSI value of the signal received from signal strength instruction RSSI register；
Computing unit 612, for calculating signal strength based on RSSI value.
Optionally, receiving module 510 is used to receive the signal of signal transmitting equipment n times transmitting, calculates each letter received
Number signal strength average value, obtain the first signal strength, wherein N be preset positive integer.
Optionally, receiving module 510 is used in the signal strength of each signal received, and selection meets normal distribution
Multiple signal strengths calculate the average value of multiple signal strengths, obtain the first signal strength.
Disclosure another exemplary embodiment provides a kind of device for adjusting wireless signal transmission power, as shown in fig. 7,
The device includes:
Transmitting module 710, for emitting signal to signal receiver；
Adjustment module 720, the power adjustment information sent with reception signal receiver, and according to power adjustment information tune
Save transmission power.
Optionally, power adjustment information is that instruction reduces the first information of transmission power or instruction improves the of transmission power
Two information.
Optionally, when power adjustment information is the first information, adjustment module 720 is used to transmission power reducing present count
Value；
When power adjustment information is the second information, adjustment module 720 is used to transmission power improving default value.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
The device provided through this embodiment, when the first signal strength is not in preset signal strength range, according to
First signal strength and signal strength range determine power adjustment information, send power adjustment information to signal transmitting equipment, can
Adaptively to adjust the power of transmitting signal according to the signal strength of the signal received, to save used in transmitting signal
Electric energy.Further, it will cause to do for other useful signals since the signal when long-distance communications is transferred to useless place
It disturbs, therefore when reducing the power of transmitting signal, can also correspondingly reduce in transmission medium and be emitted based on high-strength transmission power
Energy long-distance communications signal, to reduce the signal interference factor in transmission medium.
It should be understood that the device provided by the above embodiment for adjusting wireless signal transmission power is adjusting wireless signal
When transmission power, only the example of the division of the above functional modules, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete
All or part of function described above.In addition, it is provided by the above embodiment adjust wireless signal transmission power device with
The embodiment of the method for adjusting wireless signal transmission power belongs to same design, and specific implementation process is detailed in embodiment of the method, this
In repeat no more.
An exemplary embodiment of the present disclosure provides a kind of systems for adjusting wireless signal transmission power, as shown in figure 8, should
System includes: signal receiver 810 and signal transmitting equipment 820；
Signal receiver 810 for realizing above-mentioned adjusting wireless signal transmission power method；
Signal emits equipment 820 for realizing the method for above-mentioned adjusting wireless signal transmission power.
The system provided by the above embodiment for adjusting wireless signal transmission power and the side for adjusting wireless signal transmission power
Method embodiment belongs to same design, and specific implementation process is detailed in embodiment of the method, and which is not described herein again.
The another exemplary embodiment of the disclosure shows a kind of structural schematic diagram of terminal, which may be used as above-mentioned reality
Apply signal transmitting equipment or the signal receiver in example.
Referring to Fig. 9, terminal 900 may include following one or more components: processing component 902, memory 904, power supply
Component 906, multimedia component 908, audio component 910, the interface 912 of input/output (I/O), sensor module 914, and
Communication component 916.
The integrated operation of the usual controlling terminal 900 of processing component 902, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing element 902 may include that one or more processors 920 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 902 may include one or more modules, just
Interaction between processing component 902 and other assemblies.For example, processing component 902 may include multi-media module, it is more to facilitate
Interaction between media component 908 and processing component 902.
Memory 904 is configured as storing various types of data to support the operation in terminal 900.These data are shown
Example includes the instruction of any application or method for operating in terminal 900, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 904 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Electric power assembly 906 provides electric power for the various assemblies of terminal 900.Electric power assembly 906 may include power management system
System, one or more power supplys and other with for audio output apparatus 900 generate, manage, and distribute the associated component of electric power.
Multimedia component 908 includes the screen of one output interface of offer between the terminal 900 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 908 includes a front camera and/or rear camera.When terminal 900 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 910 is configured as output and/or input audio signal.For example, audio component 910 includes a Mike
Wind (MIC), when audio output apparatus 900 is in operation mode, when such as call mode, recording mode, and voice recognition mode, wheat
Gram wind is configured as receiving external audio signal.The received audio signal can be further stored in memory 904 or warp
It is sent by communication component 916.
I/O interface 912 provides interface between processing component 902 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 914 includes one or more sensors, and the state for providing various aspects for terminal 900 is commented
Estimate.For example, sensor module 914 can detecte the state that opens/closes of terminal 900, and the relative positioning of component, for example, it is described
Component is the display and keypad of terminal 900, and sensor module 914 can also detect 900 1 components of terminal 900 or terminal
Position change, the existence or non-existence that user contacts with terminal 900,900 orientation of terminal or acceleration/deceleration and terminal 900
Temperature change.Sensor module 914 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 914 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 916 is configured to facilitate the communication of wired or wireless way between terminal 900 and other equipment.Terminal
900 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 916 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 916 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, terminal 900 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of computer readable storage medium is additionally provided, the memory for example including instruction
904, above-metioned instruction can be executed by the processor 920 of terminal 900 to complete the above method.For example, the computer-readable storage
Medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc..
The another embodiment of the disclosure provides a kind of computer readable storage medium, the instruction in the storage medium
When being executed by the processor of terminal, enable the terminal to execute:
The signal of signal transmitting equipment transmitting is received, and determines the first signal strength of the signal received；
First signal strength is compared with preset signal strength range；
If the first signal strength is not in preset signal strength range, according to the first signal strength and signal strength model
Determining power adjustment information is enclosed, sends power adjustment information to signal transmitting equipment.
Optionally, when the first signal strength is higher than the upper limit of preset signal strength range, power adjustment information is to refer to
Show the first information for reducing transmission power；When the first signal strength is lower than the lower limit of preset signal strength range, power tune
Section information is the second information that instruction improves transmission power.
Optionally it is determined that the signal strength of the signal received, comprising:
The RSSI value of the signal received is obtained from signal strength instruction RSSI register；
Signal strength is calculated based on RSSI value.
Optionally, the signal of signal transmitting equipment transmitting is received, and determines the first signal strength of the signal received, packet
It includes:
The signal for receiving signal transmitting equipment n times transmitting, calculates the average value of the signal strength of each signal received, obtains
To the first signal strength, wherein N is preset positive integer.
Optionally, the average value for calculating the signal strength of each signal received, obtains the first signal strength, comprising:
In the signal strength of each signal received, the multiple signal strengths for meeting normal distribution are chosen, are calculated multiple
The average value of signal strength obtains the first signal strength.
The another embodiment of the disclosure provides a kind of non-transitorycomputer readable storage medium, when the storage medium
In instruction by terminal processor execute when so that terminal is also able to carry out:
Emit signal to signal receiver；
The power adjustment information that signal receiver is sent is received, and transmission power is adjusted according to power adjustment information.
Optionally, power adjustment information is that instruction reduces the first information of transmission power or instruction improves the of transmission power
Two information.
Optionally, when power adjustment information is the first information, transmission power is adjusted according to power adjustment information, comprising:
Transmission power is reduced into default value；
When power adjustment information is the second information, transmission power is adjusted according to power adjustment information, comprising:
Transmission power is improved into default value.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (19)
1. a kind of method for adjusting wireless signal transmission power, which is characterized in that the described method includes:
The signal of signal transmitting equipment transmitting is received, and determines the first signal strength of the signal received；
First signal strength is compared with preset signal strength range；
If first signal strength is not in preset signal strength range, according to first signal strength and the letter
Number strength range determines power adjustment information, sends the power adjustment information to signal transmitting equipment.
2. the method according to claim 1, wherein when first signal strength is higher than preset signal strength
When the upper limit of range, the power adjustment information is the first information that instruction reduces transmission power；When first signal strength
Lower than preset signal strength range lower limit when, the power adjustment information be instruction improve transmission power the second information.
3. the method according to claim 1, wherein determining the signal strength of the signal received, comprising:
The RSSI value of the signal received is obtained from signal strength instruction RSSI register；
The signal strength is calculated based on the RSSI value.
4. method according to any one of claim 1-3, which is characterized in that described to receive what signal transmitting equipment emitted
Signal, and determine the first signal strength of the signal received, comprising:
The signal for receiving signal transmitting equipment n times transmitting, calculates the average value of the signal strength of each signal received, obtains the
One signal strength, wherein N is preset positive integer.
5. according to the method described in claim 4, it is characterized in that, the signal strength for calculating each signal received is put down
Mean value obtains the first signal strength, comprising:
In the signal strength of each signal received, the multiple signal strengths for meeting normal distribution are chosen, are calculated the multiple
The average value of signal strength obtains the first signal strength.
6. a kind of method for adjusting wireless signal transmission power, which is characterized in that the described method includes:
Emit signal to signal receiver；
The power adjustment information that the signal receiver is sent is received, and transmitting function is adjusted according to the power adjustment information
Rate.
7. according to the method described in claim 6, it is characterized in that, the power adjustment information is that instruction reduces transmission power
The first information or instruction improve the second information of transmission power.
8. the method according to the description of claim 7 is characterized in that when the power adjustment information be the first information when,
Transmission power is adjusted according to the power adjustment information, comprising:
Transmission power is reduced into default value；
When the power adjustment information is second information, transmission power is adjusted according to the power adjustment information, comprising:
Transmission power is improved into default value.
9. a kind of device for adjusting wireless signal transmission power, which is characterized in that described device includes:
Receiving module for receiving the signal of signal transmitting equipment transmitting, and determines the first signal strength of the signal received；
Comparison module, for first signal strength to be compared with preset signal strength range；
Sending module, for being believed according to described first when first signal strength is not in preset signal strength range
Number intensity and the signal strength range determine power adjustment information, send the power regulation letter to signal transmitting equipment
Breath.
10. device according to claim 9, which is characterized in that when first signal strength is strong higher than preset signal
When spending the upper limit of range, the power adjustment information is the first information that instruction reduces transmission power；When first signal is strong
When degree is lower than the lower limit of preset signal strength range, the power adjustment information is the second letter that instruction improves transmission power
Breath.
11. device according to claim 9, which is characterized in that the receiving module includes:
Acquiring unit, for obtaining the RSSI value of the signal received from signal strength instruction RSSI register；
Computing unit, for calculating the signal strength based on the RSSI value.
12. the device according to any one of claim 9-11, which is characterized in that the receiving module is for receiving signal
The signal for emitting the transmitting of equipment n times, calculates the average value of the signal strength of each signal received, obtains the first signal strength,
Wherein, N is preset positive integer.
13. device according to claim 12, which is characterized in that the receiving module is used in each signal received
It in signal strength, chooses and meets multiple signal strengths of normal distribution, calculate the average value of the multiple signal strength, obtain the
One signal strength.
14. a kind of device for adjusting wireless signal transmission power, which is characterized in that described device includes:
Transmitting module, for emitting signal to signal receiver；
Adjustment module, the power adjustment information sent with the reception signal receiver, and according to the power adjustment information
Adjust transmission power.
15. device according to claim 14, which is characterized in that the power adjustment information is that instruction reduces transmission power
The first information or instruction improve transmission power the second information.
16. device according to claim 15, which is characterized in that when the power adjustment information is the first information
When, the adjustment module is used to transmission power reducing default value；
When the power adjustment information is second information, the adjustment module is used to transmission power improving present count
Value.
17. a kind of system for adjusting wireless signal transmission power, which is characterized in that the system comprises signal receivers and letter
Number transmitting equipment；
The signal receiver for receiving the signal of signal transmitting equipment transmitting, and determines the first of the signal received
First signal strength is compared, if first signal strength is or not signal strength with preset signal strength range
In preset signal strength range, then determine that power regulation is believed according to first signal strength and the signal strength range
Breath sends the power adjustment information to signal transmitting equipment；
The signal emits equipment, for emitting signal to signal receiver, receives the function that the signal receiver is sent
Rate adjusts information, and adjusts transmission power according to the power adjustment information.
18. a kind of terminal, which is characterized in that the terminal includes processor and memory, is stored at least in the memory
One instruction, at least one section of program, code set or instruction set, at least one instruction, at least one section of program, the generation
Code collection or instruction set are as the processor loads and executes to realize as described in any one of claim 1-5 or any one of 6-8
Adjusting wireless signal transmission power method.
19. a kind of computer readable storage medium, which is characterized in that be stored at least one instruction, extremely in the storage medium
Few one section of program, code set or instruction set, at least one instruction, at least one section of program, the code set or the instruction
Collection is loaded by processor and is executed to realize such as any one of claim 1-5 or the described in any item adjusting wireless signals of 6-8
The method of transmission power.
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| CN201710613700.1A CN109302738A (en) | 2017-07-25 | 2017-07-25 | A kind of methods, devices and systems adjusting wireless signal transmission power |
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| CN113885646A (en) * | 2021-09-29 | 2022-01-04 | 深圳市吉祥腾达科技有限公司 | Automatic regulating and controlling method for wireless power of network bridge and readable storage medium |
| CN114244424A (en) * | 2021-12-24 | 2022-03-25 | 承德石油高等专科学校 | Communication method and system for vertical take-off and landing fixed wing unmanned aerial vehicle |
| CN115499904A (en) * | 2022-09-28 | 2022-12-20 | 努比亚技术有限公司 | A method, device, and computer-readable storage medium for dynamic regulation and control of signal strength |
| CN116631098A (en) * | 2023-04-13 | 2023-08-22 | 浙江德施曼科技智能股份有限公司 | Self-adaptive unlocking control method and device for intelligent door lock |
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