CN106550441A - A kind of control method and device of radio transmitted power - Google Patents
A kind of control method and device of radio transmitted power Download PDFInfo
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- CN106550441A CN106550441A CN201610927687.2A CN201610927687A CN106550441A CN 106550441 A CN106550441 A CN 106550441A CN 201610927687 A CN201610927687 A CN 201610927687A CN 106550441 A CN106550441 A CN 106550441A
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- wireless
- signal strength
- wireless terminal
- transmitted power
- radio transmitted
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
-
- 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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
-
- 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
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention provides a kind of control method and device of radio transmitted power, and methods described includes：The wireless signal strength of each wireless terminal that wireless device detection is communicated with；The wireless device judges the wireless signal strength of each wireless terminal and the magnitude relationship of signal strength threshold, adjusts the radio transmitted power that the wireless device is sent to the data of each wireless terminal according to judged result.The embodiment of the present invention provides a kind of control method and device of radio transmitted power, the fine or not situation of wireless terminal wireless environment can more accurately be grasped, can interference of the more accurate environment-identification to wireless terminal signals, so as to reach further reduce transmitting power consumption purpose.
Description
Technical field
The present embodiments relate to the communications field, more particularly to a kind of control method and device of radio transmitted power.
Background technology
Wi-Fi is a kind of technology for allowing electronic equipment to be connected to a WLAN (WLAN), and 2.4G is usually used
UHF or 5G SHF ISM radio frequency bands.Being connected to WLAN typically has cryptoguard；But may also be open, this
Sample allows for any equipment in the range of WLAN connect.Wi-Fi is the brand of a wireless network communication technique, by
Wi-Fi Alliance is held.Purpose is to improve the intercommunity between the Wi-Fi product based on 802.11 standards of IEEE.Generally
Wireless Fidelity being known as using the LAN of 802.11 serial protocols of IEEE, or even Wi-Fi is equal to wireless the Internet networking
(Wi-Fi is the important component part of WLAN).
Wi-Fi is then that common is exactly a wireless router, then at this without circuit networking by radio wave
The effective range covered by the electric wave of device can be networked using Wi-Fi connection mode, if wireless router is connected to
One adsl line or other online circuit, then be otherwise known as focus.
Wireless network online can simply be interpreted as wireless networking, nearly all smart mobile phone, panel computer and notes
This computer all supports that Wi-Fi surfs the Net, and is to use a kind of most wide wireless network transmission technology now.
With the development of the Internet and wireless network, increasing people uses wireless WIFI access networks, while wirelessly
The power saving of equipment is also increasingly taken seriously.
At present existing scheme is adjusting wireless transmission power, i.e., with data transfer by detection data transfer rate
The height of speed is come to judge current wireless environment be to improve, or is deteriorated, so as to determining to reduce or strengthening wireless device
Transmission power, so as to realize Power Control, reach the purpose of power saving.For example：When client connect WAP (AP,
Access Point) reach the standard grade after, wherein, AP can be wireless router, if can be with higher speed between AP and client
Exchange data, illustrates wireless channel between them preferably, then premised on ensureing both high-speed transfers on AP progressively
Transmission power is reduced, but if because wireless environment is deteriorated or transmission power is too low and produce the phenomenon of packet loss or reduction of speed, AP will be carried
Rise its transmission power.
But, currently available technology controls the power of wireless device based on message transmission rate, there is following technology and asks
Topic, for example, determines that the factor of user data transmission speed is a lot, and environmental disturbances is one of factor, it is impossible to be simple
The conclusion that wireless environment improves or degenerates is drawn according to the change of speed.Meanwhile, currently existing scheme be using integrated regulation without
The mode of line transmission power, does not realize accurately Power Control, the waste that still there is part on the energy.
The content of the invention
The embodiment of the present invention provides a kind of control method and device of radio transmitted power, can more accurately grasp wireless
The fine or not situation of terminal wireless environment, can interference of the more accurate environment-identification to wireless terminal signals, so as to reach into one
Step reduces the purpose of transmitting power consumption.
An aspect of of the present present invention provides a kind of control method of radio transmitted power, including：
The wireless signal strength of each wireless terminal that wireless device detection is communicated with；
The wireless device judges the wireless signal strength of each wireless terminal and the magnitude relationship of signal strength threshold, root
It is judged that result adjusts the radio transmitted power that the wireless device is sent to the data of each wireless terminal.
It is preferred that the wireless device the first signal strength threshold of default storage, described according to judged result adjustment
Wireless device is sent to the radio transmitted power of the data of each wireless terminal and specifically includes：
The wireless device judges that the wireless signal strength of certain wireless terminal is more than default first signal intensity
During threshold value, the radio transmitted power of the data of the wireless terminal is sent to according to predetermined amplitude reduction, until the wireless terminal
Wireless signal strength is equal to first signal strength threshold.
It is preferred that the wireless device the first signal strength threshold of default storage, described according to judged result adjustment
Wireless device is sent to the radio transmitted power of the data of each wireless terminal and specifically includes：
The wireless device judges that the wireless signal strength of certain wireless terminal is less than default first signal intensity
During threshold value, the radio transmitted power of the data for being sent to the wireless terminal is improved according to predetermined amplitude, until the wireless terminal
Wireless signal strength is equal to first signal strength threshold.
It is preferred that the wireless signal strength threshold value of the multiple gradients of storage and corresponding wireless is preset on the wireless device
Transmission power adjusts gradient, and the wireless signal strength threshold value of each gradient is preset range value, and the wireless signal of each gradient is strong
Degree threshold value one transmission power of correspondence,
It is described that the wireless transmit work(that the wireless device is sent to the data of each wireless terminal is adjusted according to judged result
Rate is specifically included：
When the wireless device judges that the wireless signal strength of certain wireless terminal meets certain signal strength threshold, adjust
It is the corresponding transmitting of the signal strength threshold that the whole wireless device is sent to the radio transmitted power of the data of the wireless terminal
Power gradient value.
It is preferred that methods described also includes：
When the wireless device judges that the wireless signal strength of certain wireless terminal is changed into from the first signal strength threshold
During binary signal intensity threshold, the wireless device is sent to the radio transmitted power of data of the wireless terminal from described first
The corresponding transmission power level of signal strength threshold is adjusted to the corresponding transmission power level of the secondary signal intensity threshold.
It is preferred that the wireless device detects that the wireless signal strength of each wireless terminal for communicating with is specifically included：
The wireless device detects the wireless signal strength of each wireless terminal in real time or periodically.
Another aspect of the present invention provides a kind of control device of radio transmitted power, including：
Detection module, for detecting the wireless of each wireless terminal communicated with the control device of the radio transmitted power
Signal intensity；
Memory module, for storing wireless signal strength threshold value；
Sending module, each wireless terminal for communicating to the control device with the radio transmitted power send number
According to；
Processing module, for judging the wireless signal strength of each wireless terminal and the magnitude relationship of signal strength threshold,
The radio transmitted power that the sending module is sent to the data of each wireless terminal is adjusted according to judged result.
It is preferred that the processing module, is additionally operable to judge that the wireless signal strength of certain wireless terminal is default more than described
The first signal strength threshold when, according to predetermined amplitude reduce the sending module be sent to the wireless terminal data it is wireless
Transmission power, until the wireless signal strength of the wireless terminal is equal to first signal strength threshold.
It is preferred that the processing module, is additionally operable to judge that the wireless signal strength of certain wireless terminal is default less than described
The first signal strength threshold when, according to predetermined amplitude improve the sending module be sent to the wireless terminal data it is wireless
Transmission power, until the wireless signal strength of the wireless terminal is equal to first signal strength threshold.
It is preferred that the wireless signal strength threshold value of the memory module storage is the wireless signal strength threshold of multiple gradients
Value, the memory module are additionally operable to the corresponding radio transmitted power adjustment of wireless signal strength threshold value for storing the plurality of gradient
Gradient, the wireless signal strength threshold value of each gradient is preset range value, the wireless signal strength threshold value correspondence one of each gradient
Individual transmission power,
The processing module is additionally operable to judge that the wireless signal strength of certain wireless terminal meets certain signal intensity
During threshold value, the radio transmitted power for adjusting the data that the sending module is sent to the wireless terminal is the signal strength threshold pair
The transmission power Grad answered.
It is preferred that the processing module is additionally operable to the wireless signal strength for judging certain wireless terminal from the first signal intensity
When threshold value is changed into secondary signal intensity threshold, the sending module is sent to the radio transmitted power of the data of the wireless terminal
The corresponding transmitting work(of the secondary signal intensity threshold is adjusted to from the corresponding transmission power level of first signal strength threshold
Rate value.
It is preferred that the detection module is specifically for detecting that the wireless signal of each wireless terminal is strong in real time or periodically
Degree.
The control method and device of the radio transmitted power of foregoing description is strong by detecting reception wireless terminal message signals
Degree, can more accurately grasp the fine or not situation of wireless terminal wireless environment, can more accurate environment-identification to wireless terminal
The interference of signal, while the transmission power by the data message to being sent to single wireless terminal carries out precise control, so as to reach
To the purpose for further reducing transmitting power consumption.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are these
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Control method schematic flow sheets of the Fig. 1 for a kind of radio transmitted power of one embodiment of the invention；
Structural representations of the Fig. 2 for a kind of control device of radio transmitted power of another embodiment of the present invention.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The techniques described herein may be used in various communication systems, such as 2G, 3G, 4G communication system and next generation communication system
System, such as global mobile communication (GSM, Global System for Mobile Communication) system, CDMA
(CDMA, Code Division Multiple Access) system, time division multiple acess (TDMA, Time Division Multiple
Access) system, WCDMA (WCDMA, Wideband Code Division Multiple Access) system, frequency
Point multiple access (FDMA, Frequency Division Multiple Access) system, OFDM (OFDMA,
Orthogonal Frequency-Division Multiple Access) system, Single Carrier Frequency Division Multiple Access (SC-FDMA) system, lead to
With packet wireless business (GPRS, General Packet Radio Service) system, Long Term Evolution (LTE, Long Term
Evolution) system, and other such communication systems.The achievable such as wireless universal land access of cdma system (UTRA,
Universal Terrestrial Radio Access), the radiotechnics such as CDMA2000.UTRA includes broadband-CDMA
And other CDMA variants (WCDMA).In addition, CDAM2000 covers IS-2000, IS-95 and IS-856 standard.Tdma system can be real
The existing radiotechnics of global system for mobile communications (GSM) etc..It is wireless that OFDMA system is capable of achieving such as evolved universal terrestrial
Access (E-UTRA, Evolved-UMTS Terrestrial Radio Access), Ultra-Mobile Broadband (UMB, Ultra
Mobile Broadband)、IEEE802.11(Wi-Fi)、IEEE802.16(WiMAX)、IEEE802.20、Flash-OFDMA
Etc. radiotechnics.UTRA and E-UTRA are UMTS (UMTS, Universal Mobile
Telecommunication System) a part.3GPP Long Term Evolutions (for example, LTE) are the use E-UTRA of UMTS
Version, which can adopt OFDMA on the uplink, and can adopt SC-FDMA on uplink.UTRA、E-UTRA、UMTS、
LTE and GSM are described in the document of " third generation partnership project (3GPP) " tissue.In addition, CDAM2000 and UMB are described in "
In the document of three generations's partnership projects 2 (3GPP2) " tissue.
The terms "and/or", only a kind of incidence relation of description affiliated partner, represents there may be three kinds of passes
System, for example, A and/or B can be represented：Individualism A, while there is A and B, individualism B these three situations.In addition, herein
Middle character "/", typicallys represent forward-backward correlation to liking a kind of relation of "or".
As shown in figure 1, the schematic flow sheet of the control method for a kind of radio transmitted power of one embodiment of the invention.
Step 11, the wireless signal strength of each wireless terminal that wireless device detection is communicated with.
For example, the wireless device can be wireless router, base station, transfer base station, WiFi routers etc., the nothing
By radio communication, for example, by WiFi communication, the wireless device is in real time or the cycle for line equipment and at least one wireless terminal
Property ground detect each wireless terminal wireless signal strength.
Step 12, the wireless device judge the wireless signal strength of each wireless terminal and the size of signal strength threshold
Relation, adjusts the radio transmitted power that the wireless device is sent to the data of each wireless terminal according to judged result.
For example, the wireless device and N number of wireless terminal communications, wherein, N is the positive integer more than or equal to 1.
First signal strength threshold of memory storage of the wireless device, the wireless device judge each wireless terminal
Wireless signal strength and first signal strength threshold relation, when the wireless signal strength of n-th wireless terminal is more than
During first signal strength threshold, wherein, n is positive integer and 1≤n≤N, and the wireless device is according to predetermined amplitude reduction
The radio transmitted power of the data of n-th wireless terminal is given, until the wireless signal strength of n-th wireless terminal
Equal to first signal strength threshold.In another embodiment of the invention, when the wireless signal strength of n-th wireless terminal
During less than first signal strength threshold, the wireless device is improved according to predetermined amplitude and is sent to described n-th wirelessly eventually
The radio transmitted power of the data at end, until n-th wireless terminal wireless signal strength be equal to first signal it is strong
Degree threshold value.
In another embodiment of the invention, the wireless signal strength threshold of the multiple gradients of storage is preset on the wireless device
Value R (dbm) and corresponding radio transmitted power adjustment gradient, the wireless signal strength threshold value of each gradient is preset range
Value, wireless signal strength threshold value one transmission power of correspondence of each gradient are as shown in table 1 below.
Table 1
| Transmission power (dbm) | Signal strength threshold R (dbm) |
| 10 (the first transmission powers) | R>- 20 (the first signal strength thresholds) |
| 15 (the second transmission powers) | -20>R>- 40 (secondary signal intensity thresholds) |
| 20 (the 3rd transmission powers) | -40>R>- 60 (the 3rd signal strength thresholds) |
| 25 (the 4th transmission powers) | R<- 60 (the 4th signal strength thresholds) |
The wireless device detects the wireless signal strength of each wireless terminal in real time or periodically.Wirelessly set when described
When the standby wireless signal strength for judging certain wireless terminal meets certain signal strength threshold, adjust the wireless device and be sent to
The radio transmitted power of the data of the wireless terminal is the corresponding transmission power Grad of the signal strength threshold.
For example, when certain wireless terminal is away from the wireless device, the wireless signal strength which receives is reduced, now institute
The wireless signal strength threshold value that wireless device is met according to the current wireless signal strength of the wireless terminal is stated, can be increased and be sent to
The transmission power of the data of the wireless terminal to the corresponding transmission power of the signal strength threshold, so as to ensure wireless terminal reception
The quality of signal；When certain wireless terminal is close to the wireless device, the wireless signal strength which receives strengthens, now described
The wireless signal strength threshold value that wireless device is met according to the current wireless signal strength of the wireless terminal, can reduce being sent to this
The transmission power of the data of wireless terminal to the corresponding transmission power of the signal strength threshold, without causing wireless terminal reception
Signal is deteriorated, so as to reach the purpose for saving power consumption.
In another embodiment of the invention, when the wireless device judge the wireless signal strength of certain wireless terminal from
When first signal strength threshold is changed into secondary signal intensity threshold, the wireless device is sent to the data of the wireless terminal
Radio transmitted power is adjusted to the secondary signal intensity threshold from the corresponding transmission power level of first signal strength threshold
Corresponding transmission power level.
For example：First wireless terminal close to the wireless device, the second wireless terminal from the wireless device farther out, institute
It is -30dbm to state wireless device and detect the wireless signal strength of first wireless terminal, and the wireless device detects described
The wireless signal strength of the second wireless terminal is -50dbm.Now, the wireless device judges signal intensity for -30dbm satisfactions
The secondary signal intensity threshold, signal intensity meet the 3rd signal strength threshold for -50dbm, and the wireless device is sent out
The transmission power for giving the data of first wireless terminal is corresponding second transmission power of the secondary signal intensity threshold,
That is 15dbm, it is the 3rd signal intensity that the wireless device is sent to the transmission power of the data of second wireless terminal
Corresponding 3rd transmission power of threshold value, i.e. 20dbm.
When first wireless terminal is gradually distance from the wireless device, signal intensity is reduced to -55dbm, and which meets institute
State the 3rd signal strength threshold；And second wireless terminal moves closer to the wireless device, signal intensity increases to-
35dbm, which meets the secondary signal intensity threshold；The then corresponding relation according to the table 1, the wireless device adjustment send
Transmission power to the data of first wireless terminal is 20dbm, is sent to the transmitting of the data of second wireless terminal
Power is 15dbm.
In sum, when wireless terminal is away from wireless device, which receives signal intensity reduction, and now wireless device can
To increase the transmission power of the data for being sent to the wireless terminal, so as to ensure the quality of wireless terminal reception signal；When wireless whole
When end is close to wireless device, the wireless signal strength which receives strengthens, and now wireless device can reduce being sent to the wireless terminal
Data transmission power, without cause wireless terminal reception signal be deteriorated, so as to reach save power consumption purpose.
As shown in Fig. 2 the structural representation of the control device for a kind of radio transmitted power of another embodiment of the present invention,
The control device of the radio transmitted power can be with a part for wireless device or wireless device, and the wireless device can be nothing
Line router, base station, transfer base station, WiFi routers etc., the control device of the radio transmitted power includes detection module
21st, memory module 22, processing module 23 and sending module 24.
The detection module 21, for detecting each wireless terminal communicated with the control device of the radio transmitted power
Wireless signal strength.
For example, the detection module 21 is used for the wireless signal strength for detecting each wireless terminal in real time or periodically.
The memory module 22 is used to store wireless signal strength threshold value, wherein, the memory module 22 can be volatile
Property memorizer, for example, random access memory (RAM, Random Access Memory), PROM and EPROM, FLASH-
EPROM。
The sending module 24, each wireless terminal for communicating to the control device with the radio transmitted power are sent out
Send data.
The processing module 23 is used to judge the wireless signal strength of each wireless terminal and the size of signal strength threshold
Relation, adjusts the radio transmitted power that the sending module 24 is sent to the data of each wireless terminal according to judged result.
For example, the control device of the radio transmitted power and N number of wireless terminal communications, wherein, N is more than or equal to 1
Positive integer.
The memory module 22 is used to store the first signal strength threshold, and the processing module 23 is used to judge that each is wireless
The relation of the wireless signal strength of terminal and first signal strength threshold.
The processing module 23 is additionally operable to judge to be more than first signal when the wireless signal strength of n-th wireless terminal
During intensity threshold, wherein, n is positive integer and 1≤n≤N, reduces the sending module 24 according to predetermined amplitude and is sent to described the
The radio transmitted power of the data of n wireless terminal, until the wireless signal strength of n-th wireless terminal is equal to described the
One signal strength threshold.
In another embodiment of the invention, the processing module 23 is additionally operable to judge to work as the wireless of n-th wireless terminal
When signal intensity is less than first signal strength threshold, the sending module 24 is improved according to predetermined amplitude and be sent to described the
The radio transmitted power of the data of n wireless terminal, until the wireless signal strength of n-th wireless terminal is equal to described the
One signal strength threshold.
In another embodiment of the invention, the memory module 22 stores wireless signal strength threshold value R of multiple gradients
(dbm) and corresponding radio transmitted power adjustment gradient, the wireless signal strength threshold value of each gradient is preset range value, often
Wireless signal strength threshold value one transmission power of correspondence of individual gradient, it is as shown in table 1 below.
The detection module 21 is used for the wireless signal strength for detecting each wireless terminal in real time or periodically.The place
Reason module 23 is used to judge when the wireless signal strength of certain wireless terminal meets certain signal strength threshold that adjustment is described to be sent out
The radio transmitted power that module 24 is sent to the data of the wireless terminal is sent to be the corresponding transmission power ladder of the signal strength threshold
Angle value.
For example, when control device of certain wireless terminal away from the radio transmitted power, its wireless signal for receiving
Intensity decreases, now the processing module 23 is for the wireless signal according to the current wireless signal strength satisfaction of the wireless terminal
Intensity threshold, the transmission power for increasing the data that the sending module 24 is sent to the wireless terminal are corresponding to the signal strength threshold
Transmission power, so as to ensure the quality of wireless terminal reception signal；When certain wireless terminal is close to the radio transmitted power
Control device when, wireless signal strength which receives strengthens, and now the processing module 23 is for working as according to the wireless terminal
The wireless signal strength threshold value that front wireless signal strength meets, reduces the data that the sending module 24 is sent to the wireless terminal
Transmission power to the corresponding transmission power of the signal strength threshold, without causing wireless terminal reception signal to be deteriorated, so as to
Reach the purpose for saving power consumption.
In another embodiment of the invention, the processing module 23 is additionally operable to when the wireless communication for judging certain wireless terminal
Number intensity from the first signal strength threshold be changed into secondary signal intensity threshold when, the processing module 23 is sent to into the wireless end
The radio transmitted power of the data at end is adjusted to second letter from the corresponding transmission power level of first signal strength threshold
Number corresponding transmission power level of intensity threshold.
For example：, close to the control device of the radio transmitted power, the second wireless terminal is from described for first wireless terminal
Farther out, the detection module 21 is used for the wireless signal for detecting first wireless terminal to the control device of radio transmitted power
Intensity is -30dbm, the detection module 21 be additionally operable to detect the wireless signal strength of second wireless terminal be -
50dbm.Now, the processing module 23 meets the secondary signal intensity threshold for judging signal intensity for -30dbm, believes
Number intensity meets the 3rd signal strength threshold for -50dbm, and the sending module 24 is sent to first wireless terminal
The transmission power of data be corresponding second transmission power of the secondary signal intensity threshold, i.e. 15dbm, the sending module 24
The transmission power for being sent to the data of second wireless terminal is the corresponding 3rd transmitting work(of the 3rd signal strength threshold
Rate, i.e. 20dbm.
When first wireless terminal is gradually distance from the control device of the radio transmitted power, the detection module 21 is used
- 55dbm is reduced in the signal intensity for detecting first wireless terminal, the processing module 23 is used to judge first nothing
The current signal strength of line terminal meets the 3rd signal strength threshold；And second wireless terminal moves closer to the nothing
The control device of line transmission power, the detection module 21 be used for detect second wireless terminal signal intensity increase to-
35dbm, the processing module 23 is used to judging the current signal strength of second wireless terminal, and to meet the secondary signal strong
Degree threshold value；Then the processing module 23 is additionally operable to the corresponding relation according to the table 1, adjusts the sending module 24 and is sent to institute
The transmission power for stating the data of the first wireless terminal is 20dbm, is sent to the transmission power of the data of second wireless terminal
For 15dbm.
In sum, when wireless terminal is away from wireless device, which receives signal intensity reduction, and now wireless device can
To increase the transmission power of the data for being sent to the wireless terminal, so as to ensure the quality of wireless terminal reception signal；When wireless whole
When end is close to wireless device, the wireless signal strength which receives strengthens, and now wireless device can reduce being sent to the wireless terminal
Data transmission power, without cause wireless terminal reception signal be deteriorated, so as to reach save power consumption purpose.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above be only it is schematic, for example, the module or
The division of unit, only a kind of division of logic function can have other dividing mode, such as multiple units when actually realizing
Or component can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, institute
The coupling each other for showing or discussing or direct-coupling or communication connection can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection, can be electrical, mechanical or other forms.
The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can local to be located at one, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in the application each embodiment can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized and as independent production marketing or use using in the form of SFU software functional unit
When, can be stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially
The part for contributing to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, use so that a computer including some instructions
Equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform the application each
The all or part of step of embodiment methods described.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
The above, above example only to illustrate the technical scheme of the application, rather than a limitation；Although with reference to front
State embodiment to be described in detail the application, it will be understood by those within the art that：Which still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And these
Modification is replaced, and does not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the application.
Claims (12)
1. a kind of control method of radio transmitted power, it is characterised in that include：
The wireless signal strength of each wireless terminal that wireless device detection is communicated with；
The wireless device judges the wireless signal strength of each wireless terminal and the magnitude relationship of signal strength threshold, according to sentencing
Disconnected result adjusts the radio transmitted power that the wireless device is sent to the data of each wireless terminal.
2. the method for claim 1, it is characterised in that the wireless device the first signal strength threshold of default storage,
The radio transmitted power that the data that the wireless device is sent to each wireless terminal are adjusted according to judged result is specifically wrapped
Include：
The wireless device judges that the wireless signal strength of certain wireless terminal is more than default first signal strength threshold
When, the radio transmitted power of the data for reducing being sent to the wireless terminal according to predetermined amplitude is wireless until the wireless terminal
Signal intensity is equal to first signal strength threshold.
3. the method for claim 1, it is characterised in that the wireless device the first signal strength threshold of default storage,
The radio transmitted power that the data that the wireless device is sent to each wireless terminal are adjusted according to judged result is specifically wrapped
Include：
The wireless device judges that the wireless signal strength of certain wireless terminal is less than default first signal strength threshold
When, the radio transmitted power of the data for being sent to the wireless terminal is improved according to predetermined amplitude, it is wireless until the wireless terminal
Signal intensity is equal to first signal strength threshold.
4. the method for claim 1, it is characterised in that the wireless communication of the multiple gradients of storage is preset on the wireless device
Number intensity threshold and corresponding radio transmitted power adjustment gradient, the wireless signal strength threshold value of each gradient is preset range
Value, wireless signal strength threshold value one transmission power of correspondence of each gradient,
It is described that the radio transmitted power tool that the wireless device is sent to the data of each wireless terminal is adjusted according to judged result
Body includes：
When the wireless device judges that the wireless signal strength of certain wireless terminal meets certain signal strength threshold, institute is adjusted
The radio transmitted power for stating the data that wireless device is sent to the wireless terminal is the corresponding transmission power of the signal strength threshold
Grad.
5. method as claimed in claim 4, it is characterised in that methods described also includes：
When the wireless device judges that the wireless signal strength of certain wireless terminal is changed into the second letter from the first signal strength threshold
During number intensity threshold, the wireless device is sent to the radio transmitted power of data of the wireless terminal from first signal
The corresponding transmission power level of intensity threshold is adjusted to the corresponding transmission power level of the secondary signal intensity threshold.
6. the method as described in claim 1-5 any one, it is characterised in that it is every that the wireless device detection is communicated with
The wireless signal strength of individual wireless terminal is specifically included：
The wireless device detects the wireless signal strength of each wireless terminal in real time or periodically.
7. a kind of control device of radio transmitted power, it is characterised in that include：
Detection module, for detecting the wireless signal of each wireless terminal communicated with the control device of the radio transmitted power
Intensity；
Memory module, for storing wireless signal strength threshold value；
Sending module, each wireless terminal for communicating to the control device with the radio transmitted power send data；
Processing module, for judging the wireless signal strength of each wireless terminal and the magnitude relationship of signal strength threshold, according to
Judged result adjusts the radio transmitted power that the sending module is sent to the data of each wireless terminal.
8. device as claimed in claim 7, it is characterised in that
The processing module, is additionally operable to judge that the wireless signal strength of certain wireless terminal is strong more than default first signal
During degree threshold value, the radio transmitted power that the sending module is sent to the data of the wireless terminal is reduced according to predetermined amplitude, directly
Wireless signal strength to the wireless terminal is equal to first signal strength threshold.
9. device as claimed in claim 7, it is characterised in that
The processing module, is additionally operable to judge that the wireless signal strength of certain wireless terminal is strong less than default first signal
During degree threshold value, the radio transmitted power that the sending module is sent to the data of the wireless terminal is improved according to predetermined amplitude, directly
Wireless signal strength to the wireless terminal is equal to first signal strength threshold.
10. device as claimed in claim 7, it is characterised in that the wireless signal strength threshold value of the memory module storage is
The wireless signal strength threshold value of multiple gradients, the memory module are additionally operable to the wireless signal strength threshold for storing the plurality of gradient
It is worth corresponding radio transmitted power adjustment gradient, the wireless signal strength threshold value of each gradient is preset range value, each gradient
Wireless signal strength threshold value correspondence one transmission power,
The processing module is additionally operable to judge that the wireless signal strength of certain wireless terminal meets certain signal strength threshold
When, the radio transmitted power for adjusting the data that the sending module is sent to the wireless terminal is that the signal strength threshold is corresponding
Transmission power Grad.
11. devices as claimed in claim 10, it is characterised in that
The processing module is additionally operable to judge that the wireless signal strength of certain wireless terminal is changed into from the first signal strength threshold
During binary signal intensity threshold, the sending module is sent to the radio transmitted power of data of the wireless terminal from described first
The corresponding transmission power level of signal strength threshold is adjusted to the corresponding transmission power level of the secondary signal intensity threshold.
12. devices as described in claim 7-11 any one, it is characterised in that
The detection module is specifically for wireless signal strength that is real-time or periodically detecting each wireless terminal.
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