CN107277911A - A kind of radio transmitted power method of adjustment and device - Google Patents
A kind of radio transmitted power method of adjustment and device Download PDFInfo
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- CN107277911A CN107277911A CN201610217001.0A CN201610217001A CN107277911A CN 107277911 A CN107277911 A CN 107277911A CN 201610217001 A CN201610217001 A CN 201610217001A CN 107277911 A CN107277911 A CN 107277911A
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- access device
- transmission signal
- access
- signal intensity
- signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—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
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of radio transmitted power method of adjustment, the access information of each access device is obtained；According to the change of access information in preset time period, the state of each access device in the preset time period is determined, and the signal intensity information of transmission signal that each access device is received；According to the state of each access device and the signal intensity information of the transmission signal received, radio transmitted power is adjusted.The invention also discloses a kind of radio transmitted power adjusting apparatus.
Description
Technical field
The present invention relates to the power adjustment technology of radio communication, more particularly to a kind of radio transmitted power adjustment side
Method and device.
Background technology
Wireless Fidelity (WIFI, Wireless Fidelity) is a kind of widely used wireless network transmission technology；
Common WIFI equipment include WIFI routers, if WIFI routers be connected to adsl line or
Other wide area networks, then WIFI routers be referred to as WIFI hot spot, WIFI hot spot electric wave cover have
In the range of effect, terminal device can connect internet using WIFI connected modes.Wireless mobile communications are set
Standby WIFI hot spot typically refers to connect the WIFI routers of mobile communication wide area network, mobile radio communication device
WIFI hot spot shares mobile network resource by WIFI, other mobile communication terminals is passed through WIFI network
It is linked into the WIFI hot spot, and the Internet activity that conducts interviews.
It is due to that WIFI is a kind of wireless communication technology of short distance although WIFI is widely applied,
The technology determines that WIFI can only set up connection within the specific limits, at the same WIFI hot spot work when power consumption compared with
Greatly, during particularly by mobile phone as WIFI hot spot, the working time of battery of mobile phone can greatly be shortened.It is logical
Often, reduction transmission power is to reduce power consumption, extend the effective ways of stand-by time；But current major part focus
Equipment is all to use fixed transmission power or manual arrange parameter mode, and this mode has the following disadvantages：
1st, when access device and when WIFI hot spot is closer to the distance or access device is without network activity, it is not necessary to
Currently so big transmission power, can cause the waste of hotspot device power consumption, and high-power can bring big spoke
Penetrate intensity.
2nd,, may if hotspot device keeps the transmission power of fixed size when access device signal is weaker
It can cause to connect unstable or connection interruption, have influence on the normal of access device and use.
3rd, the mode of manual arrange parameter can not effectively track the signal strength of current access device in real time, together
When multiple equipment simultaneously access when Reasonable Parameters also can not be effectively set.
Therefore, how according to the service condition automatic adjusument of the signal quality and access device of access device
Wireless transmission power consumption, while access device stability in use is ensured, realizes and saves energy consumption, reduction radiation,
It is urgent problem to be solved.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of radio transmitted power method of adjustment and device, energy
It is adaptive while access device stability in use is ensured according to the signal quality and service condition of access device
Radio transmitted power should be adjusted, so as to save energy consumption, reduction radiation.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The embodiments of the invention provide a kind of radio transmitted power method of adjustment, methods described includes：
Obtain the access information of each access device；
According to the change of access information in preset time period, it is determined that each access in the preset time period
The state of equipment, and the signal intensity information of transmission signal that each access device is received；
According to the state of each access device and the signal intensity information of the transmission signal received, nothing is adjusted
Line transmission power.
In such scheme, the access information for obtaining each access device, including：
Obtain wireless flow information, the access duration information of each access device；
Query statement is sent to each access device according to the default polling interval time, each access device is obtained
The signal quality information of the transmission signal received, and determine to send after the query statement it is described it is each access set
Standby feedback time；
The signal quality information includes：Signal intensity.
In such scheme, the change according to access information in preset time period determines that each access is set
The signal intensity information of the standby transmission signal received, including：
The signal intensity of the transmission signal received according to each access device in the preset time period of acquisition,
Determine signal intensity most weak transmission signal；
The amplitude that signal intensity most weak transmission signal is fluctuated in the preset time period is determined, and judges institute
State the fluctuation direction of fluctuation；
The fluctuation direction includes：Show the enhanced positive fluctuation of signal intensity and show signal strength weakening
Reversely fluctuation.
In such scheme, the change according to access information in preset time period, it is determined that when described default
Between in section each access device state, including：
According to the time difference of the feedback time of the access device in the preset time period, the access is determined
The relative position change of equipment；
If the access device non-working condition time exceedes the default activity judgement time, and relative position without
Change, it is determined that the access device is inactive state, the access device is inactive device；Otherwise
The access device is active state, and the access device is vehicular equipment；
If the inactive device is continuously in inactive state in default remove in the judgement time, it is determined that
The access device is removable equipment；
Judge the method for the access device non-working condition, including：Flow in the judgement time is used default
When judging flow less than default use, judge the access device for non-working condition.
In such scheme, according to the signal intensity of the state of each access device and the transmission signal received
Information, adjusts radio transmitted power, including：
Determine the signal intensity most weak corresponding access device of transmission signal；
When the sea-level posotive oscillation of the signal intensity most weak transmission signal is more than predetermined threshold value；Or, institute
The fluctuating range for stating signal intensity most weak transmission signal is less than the predetermined threshold value, and corresponding access device
During for removable equipment, the radio transmitted power is reduced；
The fluctuating range of the signal intensity most weak transmission signal is less than the predetermined threshold value；Or, it is described
The reverse fluctuating range of signal intensity most weak transmission signal is more than the predetermined threshold value, and corresponding access is set
During for being removable equipment, the radio transmitted power is not adjusted；
The reverse fluctuating range of the signal intensity most weak transmission signal is more than the predetermined threshold value, and correspondingly
Access device when being vehicular equipment, improve the radio transmitted power.
The embodiment of the present invention additionally provides a kind of radio transmitted power adjusting apparatus, and described device includes：Obtain
Module, decision-making module and adjusting module；Wherein,
The acquisition module, the access information for obtaining each access device；
The decision-making module, for the change according to access information in preset time period, it is determined that described default
The state of each access device in period, and the signal of transmission signal that each access device is received
Change information；
The adjusting module, the letter for the state according to each access device and the transmission signal received
Number change information, adjusts radio transmitted power.
In such scheme, the acquisition module, specifically for：
Obtain wireless flow information, the access duration information of each access device；
Query statement is sent to each access device according to the default polling interval time, each access device is obtained
The signal quality information of the transmission signal received, and determine to send after the query statement it is described it is each access set
Standby feedback time；
The signal quality information includes：Signal intensity.
In such scheme, the decision-making module, specifically for：
The signal intensity of the transmission signal received according to each access device in the preset time period of acquisition,
Determine signal intensity most weak transmission signal；
The amplitude that signal intensity most weak transmission signal is fluctuated in the preset time period is determined, and judges institute
State the fluctuation direction of fluctuation；
The fluctuation direction includes：Show the enhanced positive fluctuation of signal intensity and show signal strength weakening
Reversely fluctuation.
In such scheme, the decision-making module, specifically for：
According to the time difference of the feedback time of the access device in the preset time period, the access is determined
The relative position change of equipment；
If the access device non-working condition time exceedes the default activity judgement time, and relative position without
Change, it is determined that the access device is inactive state, the access device is inactive device；Otherwise
The access device is active state, and the access device is vehicular equipment；
If the inactive device is continuously in inactive state in default remove in the judgement time, it is determined that
The access device is removable equipment；
Judge the method for the access device non-working condition, including：Flow in the judgement time is used default
When judging flow less than default use, judge the access device for non-working condition.
In such scheme, the adjusting module, specifically for：
Determine the signal intensity most weak corresponding access device of transmission signal；
When the sea-level posotive oscillation of the signal intensity most weak transmission signal is more than predetermined threshold value；Or, institute
The fluctuating range for stating signal intensity most weak transmission signal is less than the predetermined threshold value, and corresponding access device
During for removable equipment, the radio transmitted power is reduced；
The fluctuating range of the signal intensity most weak transmission signal is less than the predetermined threshold value；Or, it is described
The reverse fluctuating range of signal intensity most weak transmission signal is more than the predetermined threshold value, and corresponding access is set
During for being removable equipment, the radio transmitted power is not adjusted；
The reverse fluctuating range of the signal intensity most weak transmission signal is more than the predetermined threshold value, and correspondingly
Access device when being vehicular equipment, improve the radio transmitted power.
Radio transmitted power method of adjustment and device that the embodiment of the present invention is provided, obtain each access device
Access information；According to the change of access information in preset time period, it is determined that described in the preset time period
The state of each access device, and the signal intensity information of transmission signal that each access device is received；Root
According to the state and the signal intensity information of the transmission signal received of each access device, wireless transmission is adjusted
Power；In this way, can ensure to connect according to the signal quality and the service condition of access device of access device
Radio transmitted power adaptively is adjusted while entering equipment stability in use, so as to realize saving energy consumption, reduction
The effect of radiation.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of radio transmitted power method of adjustment of the embodiment of the present invention；
Fig. 2 is the composition structural representation of radio transmitted power adjusting apparatus of the embodiment of the present invention.
Embodiment
In the embodiment of the present invention, the access information of each access device is obtained；Believe according to being accessed in preset time period
The change of breath, it is determined that in the preset time period each access device state, and it is described it is each access set
The signal intensity information of the standby transmission signal received；According to the state of each access device and receive
The signal intensity information of transmission signal, adjusts radio transmitted power.
With reference to embodiment, the present invention is further described in more detail.
Radio transmitted power method of adjustment provided in an embodiment of the present invention, as shown in figure 1, including：
Step 101：Obtain the access information of each access device；
In the embodiment of the present invention, the wireless network of adjustment can be WIFI network, and the access device can be with
It is WIFI equipment, the WIFI network of access device access can be WIFI hot spot etc., wireless network
Internet can be accessed in the mode such as wired, wireless；When WIFI hot spot judges that access device accesses wireless network
After network, worked with default fixed transmission power, and monitor the access information of all access devices, institute in real time
Stating access information includes：Signal quality, wireless flow situation, equipment state, access duration etc.；Can be with every
Sent every one section of scheduled time to access device and update inquiry WIFI signal quality information request, the access
Equipment is received after the inquiry data frame, and the signal of its transmission signal detected is fed back to WIFI hot spot
Quality information；The signal quality information includes：Signal intensity；Here, the scheduled time at interval can root
It is configured according to the workload ability of WIFI hot spot and access device, such as interval carries out a WIFI in 3 seconds
Signal quality information is inquired about.
In practical application, the wireless device such as mobile phone detects and connection is set up after WIFI hot spot, finger daemon hair
After existing new access device access, corresponding information table information is set up according to equipment Serial Number；Here, institute
Stating information table information includes：The access letters such as signal quality, turn-on time, access duration, positional distance situation
Breath.
Step 102：According to the change of access information in preset time period, it is determined that in the preset time period
The state of each access device, and the transmission signal that receives of each access device signal intensity letter
Breath；
Here it is possible to preset a period, the period can inquire about WIFI signal twice
The interval of quality or the repeatedly interval of inquiry WIFI signal quality；Determined within the period
The state of each access device, and the transmission signal that receives of each access device signal intensity letter
Breath；Wherein, the state of access device includes active state, inactive state and removable state；
Specifically, determining that the method for the state of each access device includes in preset time period：First,
Send and update after inquiry WIFI signal quality information request, record the feedback time of the access device, obtain
Each feedback time received in the preset time period is taken, and compares the time of each feedback time
Difference, passes through the time difference, it may be determined that the relative position change of the access device；Then, institute is judged
The wireless use state of access device is stated, if sentenced default using flow in the judgement time less than default use
Cutout amount, then judge the access device for non-working condition, and otherwise the access device is use state；
Change in location and wireless use state finally according to the access device judge the state of the access device,
Determination methods include：If the access device non-working condition time exceedes the default activity judgement time, and
Relative position is unchanged, it is determined that the access device is inactive state, and the access device is inactive
Equipment；Otherwise the access device is active state, and the access device is vehicular equipment；If described non-
Vehicular equipment is continuously in inactive state in default remove in the judgement time, it is determined that at the access device
In removable state, the access device is removable equipment；
The method for determining the signal intensity information for the transmission signal that each access device is received, including：Root
The signal intensity of the transmission signal received according to each access device in the preset time period of acquisition, it is determined that letter
Number intensity most weak transmission signal；According to the signal intensity most weak corresponding access device of transmission signal,
Determine the corresponding access device it is preceding once or the preceding transmission signal received several times intensity, it is determined that letter
The amplitude that number intensity most weak transmission signal is fluctuated in the preset time period, and judge the ripple of the fluctuation
Dynamic direction；The fluctuation direction includes：Show the enhanced positive fluctuation of signal intensity and show that signal intensity subtracts
Weak reverse fluctuation.In practical application, the transmission signal that each access device is received can be directly obtained
The concrete numerical value of signal intensity, is once received by the intensity of the transmission signal once received after with preceding
The intensity of transmission signal subtract each other, according to the corresponding relation of default signal strength difference and fluctuating range come really
The fluctuating range of transmission signal before and after fixed.
Step 103：According to the signal intensity of the state of each access device and the transmission signal received letter
Breath, adjusts radio transmitted power；
Here it is possible to adjust radio transmitted power according to preset rules；Can be by the signal that receives
Fluctuation situation of the intensity most weak transmission signal in the preset time period, and the signal intensity are most weak
The state of the corresponding access device of transmission signal adjusts the transmission power of WIFI hot spot；In practical application,
Corresponding equipment Serial Number can be obtained according to the signal intensity most weak transmission signal, determine corresponding connect
Enter equipment, and related network traffics, access duration, so that it is determined that the information such as current device state；
Specifically, the rule of adjustment radio transmitted power includes：
If the sea-level posotive oscillation of the signal intensity most weak transmission signal is more than predetermined threshold value, this shape
Condition shows that the signal that the corresponding access device is received is strengthening, and therefore, it can the reduction wireless hair
Penetrate power；If the fluctuating range of the signal intensity most weak transmission signal is less than the predetermined threshold value, and
Corresponding access device is removable equipment, under this situation, corresponding access device not carry out it is wireless
Communication, therefore, it can reduce the radio transmitted power.
If the fluctuating range of the signal intensity most weak transmission signal is less than the predetermined threshold value, this shape
Under condition, the corresponding access device, which receives situation, does not have big change, can not be to the wireless transmission work(
Rate is adjusted；If the reverse fluctuating range of the signal intensity most weak transmission signal is more than described default
Threshold value, and corresponding access device is removable equipment, under this situation, although the letter that access device is received
Number in reduction, but the access device is not being used, it is possible to the radio transmitted power is not entered
Row adjustment；
If the reverse fluctuating range of the signal intensity most weak transmission signal is more than the predetermined threshold value, and
Corresponding access device is vehicular equipment, under this situation, shows the hair that the corresponding access device is received
Penetrate signal strength weakening excessive, it is necessary to improve the radio transmitted power；, can basis in practical application
The adjustable radio transmitted power of the wireless transmitting devices such as WIFI hot spot, radio transmitted power is divided into several
Grade, one emitting power grade of an emitting power grade or reduction is raised according to judged result.
Radio transmitted power adjusting apparatus provided in an embodiment of the present invention, as shown in Fig. 2 including：Obtain mould
Block 21, decision-making module 22 and adjusting module 23；Wherein,
The acquisition module 21, the access information for obtaining each access device；
Here, the wireless network of adjustment of the embodiment of the present invention can be WIFI network, and the access device can
To be WIFI equipment, the WIFI network of access device access can be WIFI hot spot etc., wireless network
Network can access internet in the mode such as wired, wireless；When WIFI hot spot judges that access device access is wireless
After network, worked with default fixed transmission power, and monitor the access information of all access devices in real time,
The access information includes：Signal quality, wireless flow situation, equipment state, access duration etc.；Can be with
Sent every one section of scheduled time to access device and update inquiry WIFI signal quality information request, it is described to connect
Enter equipment to receive after the inquiry data frame, the letter of its transmission signal detected is fed back to WIFI hot spot
Number quality information；The signal quality information includes：Signal intensity；Here, the scheduled time at interval can be with
It is configured according to the workload ability of WIFI hot spot and access device, such as interval carries out a WIFI in 3 seconds
Signal quality information is inquired about.
In practical application, the wireless device such as mobile phone detects and connection is set up after WIFI hot spot, finger daemon hair
After existing new access device access, corresponding information table information is set up according to equipment Serial Number；Here, institute
Stating information table information includes：The access letters such as signal quality, turn-on time, access duration, positional distance situation
Breath.
The decision-making module 22, for the change according to access information in preset time period, it is determined that described
The state of each access device in preset time period, and the transmission signal that receives of each access device
Signal intensity information；
Here it is possible to preset a period, the period can inquire about WIFI signal twice
The interval of quality or the repeatedly interval of inquiry WIFI signal quality；Determined within the period
The state of each access device, and the transmission signal that receives of each access device signal intensity letter
Breath；Wherein, the state of access device includes active state, inactive state and removable state；
Specifically, determining that the method for the state of each access device includes in preset time period：First,
Send and update after inquiry WIFI signal quality information request, record the feedback time of the access device, obtain
Each feedback time received in the preset time period is taken, and compares the time of each feedback time
Difference, passes through the time difference, it may be determined that the relative position change of the access device；Then, institute is judged
The wireless use state of access device is stated, if sentenced default using flow in the judgement time less than default use
Cutout amount, then judge the access device for non-working condition, and otherwise the access device is use state；
Change in location and wireless use state finally according to the access device judge the state of the access device,
Determination methods include：If the access device non-working condition time exceedes the default activity judgement time, and
Relative position is unchanged, it is determined that the access device is inactive state, and the access device is inactive
Equipment；Otherwise the access device is active state, and the access device is vehicular equipment；If described non-
Vehicular equipment is continuously in inactive state in default remove in the judgement time, it is determined that at the access device
In removable state, the access device is removable equipment；
The method for determining the signal intensity information for the transmission signal that each access device is received, including：Root
The signal intensity of the transmission signal received according to each access device in the preset time period of acquisition, it is determined that letter
Number intensity most weak transmission signal；According to the signal intensity most weak corresponding access device of transmission signal,
Determine the corresponding access device it is preceding once or the preceding transmission signal received several times intensity, it is determined that letter
The amplitude that number intensity most weak transmission signal is fluctuated in the preset time period, and judge the ripple of the fluctuation
Dynamic direction；The fluctuation direction includes：Show the enhanced positive fluctuation of signal intensity and show that signal intensity subtracts
Weak reverse fluctuation.In practical application, the transmission signal that each access device is received can be directly obtained
The concrete numerical value of signal intensity, is once received by the intensity of the transmission signal once received after with preceding
The intensity of transmission signal subtract each other, according to the corresponding relation of default signal strength difference and fluctuating range come really
The fluctuating range of transmission signal before and after fixed.
The adjusting module 23, for the state according to each access device and the transmission signal received
Signal intensity information, adjust radio transmitted power.
Here it is possible to adjust radio transmitted power according to preset rules；Can be by the signal that receives
Fluctuation situation of the intensity most weak transmission signal in the preset time period, and the signal intensity are most weak
The state of the corresponding access device of transmission signal adjusts the transmission power of WIFI hot spot；In practical application,
Corresponding equipment Serial Number can be obtained according to the signal intensity most weak transmission signal, determine corresponding connect
Enter equipment, and related network traffics, access duration, so that it is determined that the information such as current device state；
Specifically, the rule of adjustment radio transmitted power includes：
If the sea-level posotive oscillation of the signal intensity most weak transmission signal is more than predetermined threshold value, this shape
Condition shows that the signal that the corresponding access device is received is strengthening, and therefore, it can the reduction wireless hair
Penetrate power；If the fluctuating range of the signal intensity most weak transmission signal is less than the predetermined threshold value, and
Corresponding access device is removable equipment, under this situation, corresponding access device not carry out it is wireless
Communication, therefore, it can reduce the radio transmitted power.
If the fluctuating range of the signal intensity most weak transmission signal is less than the predetermined threshold value, this shape
Under condition, the corresponding access device, which receives situation, does not have big change, can not be to the wireless transmission work(
Rate is adjusted；If the reverse fluctuating range of the signal intensity most weak transmission signal is more than described default
Threshold value, and corresponding access device is removable equipment, under this situation, although the letter that access device is received
Number in reduction, but the access device is not being used, it is possible to the radio transmitted power is not entered
Row adjustment；
If the reverse fluctuating range of the signal intensity most weak transmission signal is more than the predetermined threshold value, and
Corresponding access device is vehicular equipment, under this situation, shows the hair that the corresponding access device is received
Penetrate signal strength weakening excessive, it is necessary to improve the radio transmitted power；, can basis in practical application
The adjustable radio transmitted power of the wireless transmitting devices such as WIFI hot spot, radio transmitted power is divided into several
Grade, one emitting power grade of an emitting power grade or reduction is raised according to judged result.
In actual applications, acquisition module 21, decision-making module 22 and adjusting module 23 can be by wireless access
Central processing unit (CPU), microprocessor (MPU), the digital signal processor of point or wireless router
Or field programmable gate array (FPGA) etc. is realized (DSP).
It is described above, it is only the good embodiment of the present invention, is not intended to limit the protection model of the present invention
Enclose, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc. all should
Within protection scope of the present invention.
Claims (10)
1. a kind of radio transmitted power method of adjustment, it is characterised in that methods described includes：
Obtain the access information of each access device；
According to the change of access information in preset time period, it is determined that each access in the preset time period
The state of equipment, and the signal intensity information of transmission signal that each access device is received；
According to the state of each access device and the signal intensity information of the transmission signal received, nothing is adjusted
Line transmission power.
2. according to the method described in claim 1, it is characterised in that the access for obtaining each access device
Information, including：
Obtain wireless flow information, the access duration information of each access device；
Query statement is sent to each access device according to the default polling interval time, each access device is obtained
The signal quality information of the transmission signal received, and determine to send after the query statement it is described it is each access set
Standby feedback time；
The signal quality information includes：Signal intensity.
3. method according to claim 2, it is characterised in that described to be accessed according in preset time period
The change of information, determines the signal intensity information for the transmission signal that each access device is received, including：
The signal intensity of the transmission signal received according to each access device in the preset time period of acquisition,
Determine signal intensity most weak transmission signal；
The amplitude that signal intensity most weak transmission signal is fluctuated in the preset time period is determined, and judges institute
State the fluctuation direction of fluctuation；
The fluctuation direction includes：Show the enhanced positive fluctuation of signal intensity and show signal strength weakening
Reversely fluctuation.
4. method according to claim 3, it is characterised in that described to be accessed according in preset time period
The change of information, it is determined that in the preset time period each access device state, including：
According to the time difference of the feedback time of the access device in the preset time period, the access is determined
The relative position change of equipment；
If the access device non-working condition time exceedes the default activity judgement time, and relative position without
Change, it is determined that the access device is inactive state, the access device is inactive device；Otherwise
The access device is active state, and the access device is vehicular equipment；
If the inactive device is continuously in inactive state in default remove in the judgement time, it is determined that
The access device is removable equipment；
Judge the method for the access device non-working condition, including：Flow in the judgement time is used default
When judging flow less than default use, judge the access device for non-working condition.
5. method according to claim 4, it is characterised in that according to the state of each access device
With the signal intensity information of the transmission signal received, radio transmitted power is adjusted, including：
Determine the signal intensity most weak corresponding access device of transmission signal；
When the sea-level posotive oscillation of the signal intensity most weak transmission signal is more than predetermined threshold value；Or, institute
The fluctuating range for stating signal intensity most weak transmission signal is less than the predetermined threshold value, and corresponding access device
During for removable equipment, the radio transmitted power is reduced；
The fluctuating range of the signal intensity most weak transmission signal is less than the predetermined threshold value；Or, it is described
The reverse fluctuating range of signal intensity most weak transmission signal is more than the predetermined threshold value, and corresponding access is set
During for being removable equipment, the radio transmitted power is not adjusted；
The reverse fluctuating range of the signal intensity most weak transmission signal is more than the predetermined threshold value, and correspondingly
Access device when being vehicular equipment, improve the radio transmitted power.
6. a kind of radio transmitted power adjusting apparatus, it is characterised in that described device includes：Acquisition module,
Decision-making module and adjusting module；Wherein,
The acquisition module, the access information for obtaining each access device；
The decision-making module, for the change according to access information in preset time period, it is determined that described default
The state of each access device in period, and the signal of transmission signal that each access device is received
Change information；
The adjusting module, the letter for the state according to each access device and the transmission signal received
Number change information, adjusts radio transmitted power.
7. device according to claim 6, it is characterised in that the acquisition module, specifically for：
Obtain wireless flow information, the access duration information of each access device；
Query statement is sent to each access device according to the default polling interval time, each access device is obtained
The signal quality information of the transmission signal received, and determine to send after the query statement it is described it is each access set
Standby feedback time；
The signal quality information includes：Signal intensity.
8. device according to claim 7, it is characterised in that the decision-making module, specifically for：
The signal intensity of the transmission signal received according to each access device in the preset time period of acquisition,
Determine signal intensity most weak transmission signal；
The amplitude that signal intensity most weak transmission signal is fluctuated in the preset time period is determined, and judges institute
State the fluctuation direction of fluctuation；
The fluctuation direction includes：Show the enhanced positive fluctuation of signal intensity and show signal strength weakening
Reversely fluctuation.
9. device according to claim 8, it is characterised in that the decision-making module, specifically for：
According to the time difference of the feedback time of the access device in the preset time period, the access is determined
The relative position change of equipment；
If the access device non-working condition time exceedes the default activity judgement time, and relative position without
Change, it is determined that the access device is inactive state, the access device is inactive device；Otherwise
The access device is active state, and the access device is vehicular equipment；
If the inactive device is continuously in inactive state in default remove in the judgement time, it is determined that
The access device is removable equipment；
Judge the method for the access device non-working condition, including：Flow in the judgement time is used default
When judging flow less than default use, judge the access device for non-working condition.
10. device according to claim 9, it is characterised in that the adjusting module, specifically for：
Determine the signal intensity most weak corresponding access device of transmission signal；
When the sea-level posotive oscillation of the signal intensity most weak transmission signal is more than predetermined threshold value；Or, institute
The fluctuating range for stating signal intensity most weak transmission signal is less than the predetermined threshold value, and corresponding access device
During for removable equipment, the radio transmitted power is reduced；
The fluctuating range of the signal intensity most weak transmission signal is less than the predetermined threshold value；Or, it is described
The reverse fluctuating range of signal intensity most weak transmission signal is more than the predetermined threshold value, and corresponding access is set
During for being removable equipment, the radio transmitted power is not adjusted；
The reverse fluctuating range of the signal intensity most weak transmission signal is more than the predetermined threshold value, and correspondingly
Access device when being vehicular equipment, improve the radio transmitted power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610217001.0A CN107277911A (en) | 2016-04-08 | 2016-04-08 | A kind of radio transmitted power method of adjustment and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610217001.0A CN107277911A (en) | 2016-04-08 | 2016-04-08 | A kind of radio transmitted power method of adjustment and device |
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| CN201610217001.0A Withdrawn CN107277911A (en) | 2016-04-08 | 2016-04-08 | A kind of radio transmitted power method of adjustment and device |
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