CN105430732A - WIFI transmitting power regulation method, terminal and system - Google Patents
WIFI transmitting power regulation method, terminal and system Download PDFInfo
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- CN105430732A CN105430732A CN201510745683.8A CN201510745683A CN105430732A CN 105430732 A CN105430732 A CN 105430732A CN 201510745683 A CN201510745683 A CN 201510745683A CN 105430732 A CN105430732 A CN 105430732A
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- transmission power
- power level
- terminal
- receiving terminal
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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
- H04W52/245—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. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
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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
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
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- Computer Networks & Wireless Communication (AREA)
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Abstract
An embodiment of the invention discloses a WIFI transmitting power regulation method, terminal and system. The WIFI transmitting power regulation method includes the following steps: a WIFI receiving terminal receives a WIFI signal sent by a WIFI transmitting terminal, and detects a signal intensity value of the received WIFI signal; the WIFI receiving terminal determines an indicated transmitting power value of the WIFI transmitting terminal according to the received signal intensity value of the WIFI signal sent by the WIFI transmitting terminal; and the WIFI receiving terminal sends the indicated transmitting power value to the WIFI transmitting terminal, so that the WIFI transmitting terminal adopts the indicated transmitting power value to send the WIFI signal to the WIFI receiving terminal. By adoption of the WIFI transmitting power regulation method provided by the invention, the WIFI receiving terminal can correctly demodulate the received WIFI signal sent by the WIFI transmitting terminal, thereby reducing an error rate.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of WIFI transmission power control method, terminal and system.
Background technology
Current most of terminal all supports WIFI (WirelessFidelity, WLAN (wireless local area network)) technology, and WIFI module makes terminal interconnection network by radio wave in effective range, and this WIFI network access is subject to the favor of more and more user.
Be all generally launch with constant power during terminal transmission data, and can not regulate this performance number.In prior art, according to the RSSI of the signal of the WIFI access point received, (signal strength indicator of reception, the RSSI index of WIFI access point can be mapped as the receiving sensitivity of WIFI access point to terminal usually.) terminal by the mapping table of the RSSI value with transmitting power of searching the signal of WIFI access point or the transmission power level being calculated corresponding terminal by certain algorithm, and sends the transmission power adjustment of signal to this transmission power level to WIFI access point by value size.
But, signal transmitting power in transmitting procedure decays, when transmission power level after adjusting with this sends signal, the receiving sensitivity of WIFI access point self may be less than after signal arrives WIFI access point, will cause WIFI access point cannot the correct signal that receives of demodulation, thus cause the error rate higher.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of WIFI transmission power control method, terminal and system are provided, WIFI receiving terminal can being made when receiving the WIFI signal that WIFI launch terminal sends, the WIFI signal that correct demodulation receives, reducing the error rate.
In order to solve the problems of the technologies described above, embodiments provide a kind of WIFI transmission power control method, described method comprises:
WIFI receiving terminal receives the WIFI signal that WIFI launch terminal sends, the signal strength values of the WIFI signal received described in detection;
WIFI receiving terminal according to described in the signal strength values of WIFI signal that sends of the described WIFI launch terminal that receives, determine the instruction transmission power level of described WIFI launch terminal;
Described instruction transmission power level is sent to described WIFI launch terminal by WIFI receiving terminal, adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal to make described WIFI launch terminal.
Correspondingly, the embodiment of the present invention additionally provides a kind of WIFI transmission power control method, and described method comprises:
WIFI launch terminal sends WIFI signal to WIFI receiving terminal, to make described WIFI receiving terminal when receiving described WIFI signal, detects the signal strength values receiving described WIFI signal;
WIFI launch terminal receives the instruction transmission power level that described WIFI receiving terminal is determined according to the described signal strength values detected;
WIFI launch terminal adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.
Correspondingly, the embodiment of the present invention additionally provides a kind of WIFI receiving terminal, comprising:
Signal strength values detection module, for receiving the WIFI signal that WIFI launch terminal sends, the signal strength values of the WIFI signal received described in detection;
Instruction transmission power level determination module, the signal strength values of the WIFI signal that the described WIFI launch terminal for receiving described in basis sends, determines the instruction transmission power level of described WIFI launch terminal;
Instruction transmission power level sending module, for described instruction transmission power level is sent to described WIFI launch terminal, adopts described instruction transmission power level to send WIFI signal to WIFI receiving terminal to make described WIFI launch terminal.
Correspondingly, the embodiment of the present invention additionally provides a kind of WIFI launch terminal, comprising:
WIFI signal sending module, for sending WIFI signal to WIFI receiving terminal, to make described WIFI receiving terminal when receiving described WIFI signal, detects the signal strength values receiving described WIFI signal;
Instruction transmission power level receiver module, for receiving the instruction transmission power level that described WIFI receiving terminal is determined according to the described signal strength values detected;
Described WIFI signal sending module, also for adopting described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.
Correspondingly, the embodiment of the present invention additionally provides a kind of WIFI transmission power regulating system, comprises as the WIFI launch terminal of the present invention above described in embodiment and the WIFI receiving terminal of the present invention above described in embodiment, wherein:
Described WIFI launch terminal is used for sending WIFI signal to described WIFI receiving terminal;
The described WIFI signal that described WIFI receiving terminal sends for receiving described WIFI launch terminal, the signal strength values of the WIFI signal received described in detection; According to the signal strength values of the described WIFI signal received, determine to indicate transmission power level; Described instruction transmission power level is sent to described WIFI launch terminal;
Described WIFI launch terminal is also for receiving instruction transmission power level corresponding with described signal strength values described in the transmission of described WIFI receiving terminal; Described instruction transmission power level is adopted to send WIFI signal to described WIFI receiving terminal.
WIFI launch terminal in the embodiment of the present invention sends WIFI signal to WIFI receiving terminal, the signal strength values of the WIFI signal received described in detecting after WIFI receiving terminal receives described WIFI signal, and the signal strength values of the WIFI signal sent according to the described described WIFI launch terminal received, determine the instruction transmission power level of described WIFI launch terminal, then send to described WIFI launch terminal, described WIFI launch terminal adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.Even if through space attenuation, described instruction transmission power level still can ensure that the signal strength values received is greater than the receiving sensitivity of described WIFI receiving terminal after described WIFI receiving terminal receives the WIFI signal that described WIFI launch terminal adopts described instruction transmission power level to send, thus the WIFI signal that described WIFI receiving terminal can correctly be received described in demodulation, reduce the error rate.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of WIFI transmission power control method in the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the WIFI transmission power control method in another embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the WIFI transmission power control method in another embodiment of the present invention;
Fig. 4 is the schematic flow sheet of the WIFI transmission power control method in another embodiment of the present invention;
Fig. 5 is the structural representation of a kind of WIFI receiving terminal in the embodiment of the present invention;
Fig. 6 is the structural representation of the instruction transmission power level determination module of WIFI receiving terminal in the embodiment of the present invention;
Fig. 7 is the structural representation of a kind of WIFI launch terminal in the embodiment of the present invention;
Fig. 8 is the structural representation of a kind of WIFI transmission power regulating system in the embodiment of the present invention;
Fig. 9 is a kind of management frames structural representation in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
WIFI launch terminal in the embodiment of the present invention or WIFI receiving terminal can be the terminal equipment that PC, mobile phone, smart mobile phone, panel computer, notebook computer, wireless router, MP3, car-mounted terminal, Worn type portable equipment etc. have WIFI function, and described WIFI launch terminal can directly communicate with WIFI receiving terminal.In one embodiment, WIFI launch terminal can be the terminal equipment that PC, mobile phone, smart mobile phone, panel computer, notebook computer, MP3, car-mounted terminal, Worn type portable equipment etc. have WIFI function, and WIFI receiving terminal can be wireless router; In another embodiment, WIFI launch terminal can be wireless router, and WIFI receiving terminal can be the terminal equipment that PC, mobile phone, smart mobile phone, panel computer, notebook computer, MP3, car-mounted terminal, Worn type portable equipment etc. have WIFI function.
Fig. 1 is the schematic flow sheet of a kind of WIFI transmission power control method in the embodiment of the present invention, is mainly described with WIFI receiving terminal side, and the WIFI transmission power control method flow process as shown in the figure in the present embodiment can comprise:
S101, WIFI receiving terminal receives the WIFI signal that WIFI launch terminal sends, the signal strength values of the WIFI signal received described in detection.
Concrete, WIFI launch terminal sends WIFI signal to WIFI receiving terminal, when WIFI receiving terminal receives the WIFI signal of WIFI launch terminal transmission, can directly detect the signal strength values of the WIFI signal received, being similar to 360 security guards can the current network speed value of direct-detection.
In an alternative embodiment, the signal strength values of the WIFI signal received described in the detection of WIFI receiving terminal periodicity.
Concrete, the signal strength values of the WIFI signal received by WIFI receiving terminal due to the instruction transmission power level of WIFI launch terminal is determined, and the signal strength values of WIFI signal that receives of WIFI receiving terminal is not in change in the same time, therefore corresponding with the signal strength values of the WIFI signal received instruction transmission power level also changes thereupon.WIFI receiving terminal periodically detects the signal strength values of the WIFI signal received, to obtain the signal strength values of the not WIFI signal received in the same time, thus the instruction transmission power level of the WIFI launch terminal corresponding with described signal strength values can be determined according to described not signal strength values in the same time.
In concrete enforcement, if predetermined period is 2s, then WIFI receiving terminal is resolved the WIFI signal that receives in the moment 1 and obtained the signal strength values in this moment is a1, and can determine the instruction transmission power level b1 of corresponding WIFI launch terminal according to a1; After 2s, the signal strength values that WIFI receiving terminal gets the moment 2 is a2, and can determine the instruction transmission power level b2 of corresponding WIFI launch terminal according to a2; After 4s, the signal strength values that WIFI receiving terminal gets the moment 3 is a3, and can determine the instruction transmission power level b3 of corresponding WIFI launch terminal according to a3.Therefore, in the process that WIFI launch terminal communicates with WIFI receiving terminal, WIFI receiving terminal detects the signal strength values of the WIFI signal once received according to every predetermined period.
S102, WIFI receiving terminal according to described in the signal strength values of WIFI signal that sends of the described WIFI launch terminal that receives, determine the instruction transmission power level of described WIFI launch terminal.
Concrete, according to the signal strength values of the WIFI signal received, WIFI receiving terminal determines that the instruction transmission power level of described WIFI launch terminal has two kinds of modes, look-up table and computing methods.
Optionally, according to look-up table, WIFI receiving terminal obtains the signal strength values and the mapping table of instruction transmission power level preset, searches the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received in described mapping table.
Optionally, according to computing method, WIFI receiving terminal obtains the current transmit power value of WIFI launch terminal; Calculate the difference of the current transmit power value of described WIFI launch terminal and the signal strength values of the described WIFI signal received, using described difference as space loss value; The receiving sensitivity of described space loss value and described WIFI receiving terminal is sued for peace, using the instruction transmission power level of described summed result as described WIFI launch terminal.
Described instruction transmission power level is sent to described WIFI launch terminal by S103, WIFI receiving terminal, adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal to make described WIFI launch terminal.
Concrete, after the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received determined in S102 is sent to WIFI receiving terminal by WIFI receiving terminal, WIFI launch terminal receives described instruction transmission power level and the transmission power level sending WIFI signal to WIFI receiving terminal is adjusted to this instruction transmission power level, then adopts this transmission power level to send WIFI signal to WIFI receiving terminal.
In an alternative embodiment, described instruction transmission power level is packaged into management frames by WIFI receiving terminal, and described management frames is sent to WIFI launch terminal.WIFI launch terminal carries out demodulation to described management frames after receiving described management frames, and obtains the described instruction transmission power level that described management frames carries.Described WIFI launch terminal sends WIFI signal according to described instruction transmission power level to described WIFI receiving terminal.
The signal strength values of the WIFI signal received described in detecting after the WIFI receiving terminal in the embodiment of the present invention receives the WIFI signal of WIFI launch terminal transmission, and the instruction transmission power level of described WIFI launch terminal is determined according to the signal strength values of the described WIFI signal received, then send to described WIFI launch terminal, adopt described instruction transmission power level to send WIFI signal to described WIFI receiving terminal to make described WIFI launch terminal.Even if described instruction transmission power level is through space attenuation after described WIFI receiving terminal receives the WIFI signal that described WIFI launch terminal adopts described instruction transmission power level to send, but WIFI receiving terminal still can ensure that the signal strength values received is greater than the receiving sensitivity of described WIFI receiving terminal, thus the WIFI signal that described WIFI receiving terminal can correctly be received described in demodulation, reduce the error rate.
Fig. 2 is the schematic flow sheet of the WIFI transmission power control method in another embodiment of the present invention, and the WIFI transmission power control method flow process as shown in the figure in the present embodiment can comprise:
S201, WIFI receiving terminal receives the WIFI signal that WIFI launch terminal sends.
Concrete, WIFI launch terminal sends WIFI signal to WIFI receiving terminal, and when WIFI receiving terminal receives the WIFI signal of WIFI launch terminal transmission, WIFI receiving terminal is resolved the WIFI signal received.
The signal strength values of the WIFI signal received described in S202, WIFI receiving terminal periodically detects.
Concrete, WIFI receiving terminal can directly detect the signal strength values of the WIFI signal received, and being similar to 360 security guards can the current network speed value of direct-detection.The signal strength values of the WIFI signal received by WIFI receiving terminal due to the instruction transmission power level of WIFI launch terminal is determined, and the signal strength values of WIFI signal that receives of WIFI receiving terminal is not in change in the same time, therefore corresponding with the signal strength values of the WIFI signal received instruction transmission power level also changes thereupon.WIFI receiving terminal periodically detects the signal strength values of the WIFI signal received, to obtain the signal strength values of the not WIFI signal received in the same time, thus the instruction transmission power level of the WIFI launch terminal corresponding with described signal strength values can be determined according to described not signal strength values in the same time.It should be noted that the transmission power level of the WIFI signal that WIFI receiving terminal receives represent described in the signal strength values of WIFI signal that receives.
In concrete enforcement, if predetermined period is 2s, then WIFI receiving terminal is resolved the WIFI signal that receives in the moment 1 and obtained the signal strength values in this moment is a1, and can determine the instruction transmission power level b1 of corresponding WIFI launch terminal according to a1; After 2s, the signal strength values that WIFI receiving terminal gets the moment 2 is a2, and can determine the instruction transmission power level b2 of corresponding WIFI launch terminal according to a2; After 4s, the signal strength values that WIFI receiving terminal gets the moment 3 is a3, and can determine the instruction transmission power level b3 of corresponding WIFI launch terminal according to a3.Therefore, in the process that WIFI launch terminal communicates with WIFI receiving terminal, WIFI receiving terminal detects the signal strength values of the WIFI signal once received according to every predetermined period.
S203, WIFI receiving terminal obtains the current transmit power value of WIFI launch terminal.
Optionally, when WIFI launch terminal sends WIFI signal to WIFI receiving terminal, described WIFI signal carries the current transmit power value (Initial transmitting power value) of WIFI launch terminal, when WIFI receiving terminal receives this WIFI signal, WIFI receiving terminal is resolved the WIFI signal received and is read the current transmit power value of carrying.
Optionally, preset WIFI launch terminal when WIFI launch terminal connects at every turn communicate with WIFI receiving terminal all to send with constant power value A when WIFI receiving terminal sends WIFI signal for the first time.Therefore constant power value A is the current transmit power value of WIFI launch terminal.
S204, WIFI receiving terminal calculates the difference of the current transmit power value of described WIFI launch terminal and the signal strength values of the described WIFI signal received, using described difference as space loss value.
Concrete, the signal strength values of the WIFI signal received in the current transmit power value-S202 of the WIFI launch terminal obtained in space loss value=S203.Because the signal strength values of the WIFI signal periodically detected is changing, can choose according to above formula repeatedly (such as, 5 times, being not construed as limiting herein) mean value of space loss value that calculates is as space loss value, or the maximum choosing the space loss value repeatedly calculated, as space loss value etc., is not construed as limiting herein.
The receiving sensitivity of described space loss value and described WIFI receiving terminal is sued for peace, using the instruction transmission power level of described summed result as described WIFI launch terminal by S205, WIFI receiving terminal.
Concrete, the receiving sensitivity of the space loss value+WIFI receiving terminal obtained in instruction transmission power level=S204.It should be noted that receiving sensitivity is that receiver can the minimal detectable power value of WIFI signal that receives of correctly demodulation.
In an alternative embodiment, after step S203, if by look-up table make WIFI receiving terminal according to described in the signal strength values of WIFI signal that sends of the described WIFI launch terminal that receives determine the instruction transmission power level of described WIFI launch terminal, then WIFI receiving terminal obtains the signal strength values and the mapping table of instruction transmission power level preset, searches the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received in described mapping table.
Concrete, before tabling look-up, the first repeatedly simulation test WIFI launch terminal transmission power level that WIFI receiving terminal receives under different transmission power value, and when the transmission power level that WIFI receiving terminal receives equals the receiving sensitivity of WIFI receiving terminal or when the difference of the receiving sensitivity of the transmission power level that WIFI receiving terminal receives and WIFI receiving terminal changes in an allowed band, determine the relation between the transmission power level that the transmission power level of WIFI launch terminal and WIFI receiving terminal receive.Such as, WIFI launch terminal sends WIFI signal with transmission power level A1, and the transmission power level that WIFI receiving terminal receives is B1; Increase A1 to A2 and send WIFI signal with A2 to WIFI receiving terminal, and the transmission power level that WIFI receiving terminal receives is B2; Continue to increase A2, when WIFI launch terminal sends WIFI signal with transmission power level AN to WIFI receiving terminal, and the transmission power level that WIFI receiving terminal receives is BN, and the receiving sensitivity of BN and WIFI receiving terminal is equal, or when changing in an allowed band, the relation of AN and BN can be determined.If it should be noted that, the receiving sensitivity of WIFI receiving terminal is allowed band for-50dBm ,-52dBm ~-48dBm, and concrete scope is not construed as limiting herein.Preset the instruction transmission power level mapping table of a WIFI signal intensity level and WIFI launch terminal according to described relation, and be stored in the memory of WIFI receiving terminal.Therefore, the signal strength values of the WIFI signal received according to WIFI receiving terminal can find the instruction transmission power level of corresponding WIFI launch terminal in the mapping table.
S206, described instruction transmission power level is packaged into management frames by WIFI receiving terminal, described management frames is sent to described WIFI launch terminal, adopts the described instruction transmission power level corresponding with described signal strength values to send WIFI signal to make described WIFI launch terminal.
Concrete, after WIFI receiving terminal sends to WIFI receiving terminal after the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received determined in S102 is packaged into management frames, after described WIFI launch terminal receives this management frames, management frames described in demodulation also reads the described instruction transmission power level that described management frames carries, the transmission power level sending signal to WIFI receiving terminal is adjusted to this instruction transmission power level, then adopts this instruction transmission power level to send WIFI signal to WIFI receiving terminal.It should be noted that management frames is the elementary cell of Ethernet signal of communication.As shown in Figure 9, wherein, the FrameBody in management frames will carry concrete management information data to its frame format.
The signal strength values of the WIFI signal received described in detecting after the WIFI receiving terminal in the embodiment of the present invention receives the WIFI signal of WIFI launch terminal transmission, and the instruction transmission power level of described WIFI launch terminal is determined according to the signal strength values of the described WIFI signal received, then send to described WIFI launch terminal, adopt described instruction transmission power level to send WIFI signal to described WIFI receiving terminal to make described WIFI launch terminal.Even if described instruction transmission power level is through space attenuation after described WIFI receiving terminal receives the WIFI signal that described WIFI launch terminal adopts described instruction transmission power level to send, but WIFI receiving terminal still can ensure that the signal strength values received is greater than the receiving sensitivity of described WIFI receiving terminal, thus the WIFI signal that described WIFI receiving terminal can correctly be received described in demodulation, reduce the error rate.
Fig. 3 is the schematic flow sheet of the WIFI transmission power control method in another embodiment of the present invention, is mainly described with WIFI launch terminal side, and the network information search method flow process as shown in the figure in the present embodiment can comprise:
S301, WIFI launch terminal sends WIFI signal to WIFI receiving terminal, to make described WIFI receiving terminal when receiving described WIFI signal, detects the signal strength values receiving described WIFI signal.
Concrete, WIFI launch terminal sends WIFI signal to WIFI receiving terminal, when WIFI receiving terminal receives the WIFI signal of WIFI launch terminal transmission, can directly detect the signal strength values of the WIFI signal received, being similar to 360 security guards can the current network speed value of direct-detection.
Optionally, the signal strength values of the WIFI signal received described in the detection of WIFI receiving terminal periodicity.
Concrete, the signal strength values of the WIFI signal received by WIFI receiving terminal due to the instruction transmission power level of WIFI launch terminal is determined, and the signal strength values of WIFI signal that receives of WIFI receiving terminal is not in change in the same time, therefore corresponding with the signal strength values of the WIFI signal received instruction transmission power level also changes thereupon.WIFI receiving terminal periodically detects the signal strength values of the WIFI signal received, to obtain the signal strength values of the not WIFI signal received in the same time, thus the instruction transmission power level of the WIFI launch terminal corresponding with described signal strength values can be determined according to described not signal strength values in the same time.
In concrete enforcement, if predetermined period is 2s, then WIFI receiving terminal is resolved the WIFI signal that receives in the moment 1 and obtained the signal strength values in this moment is a1, and can determine the instruction transmission power level b1 of corresponding WIFI launch terminal according to a1; After 2s, the signal strength values that WIFI receiving terminal gets the moment 2 is a2, and can determine the instruction transmission power level b2 of corresponding WIFI launch terminal according to a2; After 4s, the signal strength values that WIFI receiving terminal gets the moment 3 is a3, and can determine the instruction transmission power level b3 of corresponding WIFI launch terminal according to a3.Therefore, in the process that WIFI launch terminal communicates with WIFI receiving terminal, WIFI receiving terminal detects the signal strength values of the WIFI signal once received according to every predetermined period.
S302, WIFI launch terminal receives the instruction transmission power level that described WIFI receiving terminal is determined according to the described signal strength values detected.
Concrete, according to the signal strength values of the WIFI signal received, WIFI receiving terminal determines that the instruction transmission power level of described WIFI launch terminal has two kinds of modes, look-up table and computing methods.
Optionally, according to look-up table, WIFI receiving terminal obtains the signal strength values and the mapping table of instruction transmission power level preset, searches the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received in described mapping table.
Optionally, according to computing method, WIFI receiving terminal obtains the current transmit power value of WIFI launch terminal; Calculate the difference of the current transmit power value of described WIFI launch terminal and the signal strength values of the described WIFI signal received, using described difference as space loss value; The receiving sensitivity of described space loss value and described WIFI receiving terminal is sued for peace, using the instruction transmission power level of described summed result as described WIFI launch terminal.
In an alternative embodiment, WIFI launch terminal receives the management frames that described WIFI receiving terminal sends, and management frames described in demodulation also obtains corresponding instruction transmission power level.
S303, WIFI launch terminal adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.
Concrete, the described instruction transmission power level that WIFI launch terminal obtains after being adjusted to by the transmission power level sending signal to WIFI receiving terminal and resolving described management frames, then adopt described instruction transmission power level to send WIFI signal to WIFI receiving terminal.
WIFI launch terminal in the embodiment of the present invention sends WIFI signal to WIFI receiving terminal, the signal strength values of the WIFI signal received described in detecting after receiving described WIFI signal to make described WIFI receiving terminal, and the instruction transmission power level of described WIFI launch terminal is determined according to the signal strength values of the described WIFI signal received.After described WIFI launch terminal receives the described instruction transmission power level that described WIFI receiving terminal returns, described instruction transmission power level is adopted to send WIFI signal to described WIFI receiving terminal, thus the WIFI signal that still can correctly receive described in demodulation during described WIFI receiving terminal is received WIFI signal that WIFI launch terminal sends with described instruction transmission power level, reduce the error rate.
Fig. 4 is the schematic flow sheet of a kind of WIFI transmission power control method in the embodiment of the present invention, and be mainly described with WIFI launch terminal and WIFI receiving terminal both sides respectively, the network information search method flow process as shown in the figure in the present embodiment can comprise:
S401, WIFI launch terminal sends WIFI signal to described WIFI receiving terminal.
S402, WIFI receiving terminal receives the WIFI signal that WIFI launch terminal sends, the signal strength values of the WIFI signal received described in detection.
Concrete, WIFI launch terminal sends WIFI signal to WIFI receiving terminal, when WIFI receiving terminal receives the WIFI signal of WIFI launch terminal transmission, WIFI receiving terminal is resolved the WIFI signal received, and reads the transmission power level of the WIFI signal received in analysis result.It should be noted that the transmission power level of the WIFI signal that WIFI receiving terminal receives represent described in the signal strength values of WIFI signal that receives.
In an alternative embodiment, the signal strength values of the WIFI signal received described in the detection of WIFI receiving terminal periodicity.
Concrete, the signal strength values of the WIFI signal received by WIFI receiving terminal due to the instruction transmission power level of WIFI launch terminal is determined, and the signal strength values of WIFI signal that receives of WIFI receiving terminal is not in change in the same time, therefore corresponding with the signal strength values of the WIFI signal received instruction transmission power level also changes thereupon.WIFI receiving terminal periodically detects the signal strength values of the WIFI signal received, to obtain the signal strength values of the not WIFI signal received in the same time, thus the instruction transmission power level of the WIFI launch terminal corresponding with described signal strength values can be determined according to described not signal strength values in the same time.
In concrete enforcement, if predetermined period is 2s, then WIFI receiving terminal is resolved the WIFI signal that receives in the moment 1 and obtained the signal strength values in this moment is a1, and can determine the instruction transmission power level b1 of corresponding WIFI launch terminal according to a1; After 2s, the signal strength values that WIFI receiving terminal gets the moment 2 is a2, and can determine the instruction transmission power level b2 of corresponding WIFI launch terminal according to a2; After 4s, the signal strength values that WIFI receiving terminal gets the moment 3 is a3, and can determine the instruction transmission power level b3 of corresponding WIFI launch terminal according to a3.Therefore, in the process that WIFI launch terminal communicates with WIFI receiving terminal, WIFI receiving terminal detects the signal strength values of the WIFI signal once received according to every predetermined period.
S403, WIFI receiving terminal according to described in the signal strength values of WIFI signal that sends of the described WIFI launch terminal that receives, determine the instruction transmission power level of described WIFI launch terminal.
Concrete, according to the signal strength values of the WIFI signal received, WIFI receiving terminal determines that the instruction transmission power level of described WIFI launch terminal has two kinds of modes, look-up table and computing methods.
Optionally, according to look-up table, WIFI receiving terminal obtains the signal strength values and the mapping table of instruction transmission power level preset, searches the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received in described mapping table.
Before tabling look-up, the first repeatedly simulation test WIFI launch terminal transmission power level that WIFI receiving terminal receives under different transmission power value, and when the transmission power level that WIFI receiving terminal receives equals the receiving sensitivity of WIFI receiving terminal or when the difference of the receiving sensitivity of the transmission power level that WIFI receiving terminal receives and WIFI receiving terminal changes in an allowed band, determine the relation between the transmission power level that the transmission power level of WIFI launch terminal and WIFI receiving terminal receive.Such as, WIFI launch terminal sends WIFI signal with transmission power level A1, and the transmission power level that WIFI receiving terminal receives is B1; Increase A1 to A2 and send WIFI signal with A2 to WIFI receiving terminal, and the transmission power level that WIFI receiving terminal receives is B2; Continue to increase A2, when WIFI launch terminal sends WIFI signal with transmission power level AN to WIFI receiving terminal, and the transmission power level that WIFI receiving terminal receives is BN, and the receiving sensitivity of BN and WIFI receiving terminal is equal, or when changing in an allowed band, the relation of AN and BN can be determined.If it should be noted that, the receiving sensitivity of WIFI receiving terminal is allowed band for-50dBm ,-52dBm ~-48dBm, and concrete scope is not construed as limiting herein.Preset the instruction transmission power level mapping table of a WIFI signal intensity level and WIFI launch terminal according to described relation, and be stored in the memory of WIFI receiving terminal.Therefore, the signal strength values of the WIFI signal received according to WIFI receiving terminal can find the instruction transmission power level of corresponding WIFI launch terminal in the mapping table.
In an alternative embodiment, according to computing method, WIFI receiving terminal obtains the current transmit power value of WIFI launch terminal; Calculate the difference of the current transmit power value of described WIFI launch terminal and the signal strength values of the described WIFI signal received, using described difference as space loss value; The receiving sensitivity of described space loss value and described WIFI receiving terminal is sued for peace, using the instruction transmission power level of described summed result as described WIFI launch terminal.
Optionally, when WIFI launch terminal sends WIFI signal to WIFI receiving terminal, described WIFI signal carries the current transmit power value (Initial transmitting power value) of WIFI launch terminal, when WIFI receiving terminal receives this WIFI signal, WIFI receiving terminal is resolved the WIFI signal received and is read the current transmit power value of carrying.
Optionally, preset WIFI launch terminal when WIFI launch terminal connects at every turn communicate with WIFI receiving terminal all to send with constant power value A when WIFI receiving terminal sends WIFI signal for the first time.Therefore constant power value A is the current transmit power value of WIFI launch terminal.
The signal strength values of WIFI signal is received in the current transmit power value-S202 of the WIFI launch terminal obtained in space loss value=S203.Because the signal strength values of the WIFI signal periodically detected is changing, can choose according to above formula repeatedly (such as, 5 times, being not construed as limiting herein) mean value of space loss value that calculates is as space loss value, or the maximum choosing the space loss value repeatedly calculated, as space loss value etc., is not construed as limiting herein.The receiving sensitivity of the space loss value+WIFI receiving terminal obtained in instruction transmission power level=S204.It should be noted that receiving sensitivity is that receiver can the minimal detectable power value of WIFI signal that receives of correctly demodulation.
Described instruction transmission power level is sent to described WIFI launch terminal by S404, WIFI receiving terminal.
S405, WIFI launch terminal receives the instruction transmission power level that described WIFI receiving terminal is determined according to the described signal strength values detected.
Concrete, after the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received determined in S102 is sent to WIFI receiving terminal by WIFI receiving terminal, WIFI launch terminal receives described instruction transmission power level and the transmission power level sending signal to WIFI receiving terminal is adjusted to this instruction transmission power level.
Optionally, described instruction transmission power level is packaged into management frames by WIFI receiving terminal, and described management frames is sent to WIFI launch terminal.WIFI launch terminal carries out demodulation to described management frames after receiving described management frames, and obtains the described instruction transmission power level that described management frames carries.
S406, WIFI launch terminal adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.
Concrete, after WIFI launch terminal receives the instruction transmission power level corresponding with the signal strength values of the WIFI signal that WIFI receiving terminal receives of WIFI launch terminal transmitting, send WIFI signal according to described instruction transmission power level to described WIFI receiving terminal.
WIFI launch terminal in the embodiment of the present invention sends WIFI signal to WIFI receiving terminal, the signal strength values of the WIFI signal received described in detecting after WIFI receiving terminal receives described WIFI signal, and the signal strength values of the WIFI signal sent according to the described described WIFI launch terminal received, determine the instruction transmission power level of described WIFI launch terminal, then send to described WIFI launch terminal, described WIFI launch terminal adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.Even if through space attenuation, described instruction transmission power level still can ensure that the signal strength values received is greater than the receiving sensitivity of described WIFI receiving terminal after described WIFI receiving terminal receives the WIFI signal that described WIFI launch terminal adopts described instruction transmission power level to send, thus the WIFI signal that described WIFI receiving terminal can correctly be received described in demodulation, reduce the error rate.
Fig. 5 is the structural representation of a kind of WIFI receiving terminal in the embodiment of the present invention, and the WIFI receiving terminal as shown in the figure in the embodiment of the present invention can comprise:
Signal strength values detection module 510, for receiving the WIFI signal that WIFI launch terminal sends, the signal strength values of the WIFI signal received described in detection.
Optionally, described signal strength values detection module 510 is specifically for the signal strength values of the WIFI signal received described in periodically detecting.Instruction transmission power level determination module 520, the signal strength values of the WIFI signal that the described WIFI launch terminal for receiving described in basis sends, determines the instruction transmission power level of described WIFI launch terminal.
Optionally, described instruction transmission power level determination module 520 specifically for: obtain preset signal strength values with instruction transmission power level mapping table, in described mapping table, search the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received.
Optionally, described instruction transmission power level determination module 520 comprises further as shown in Figure 6:
Current transmit power value acquiring unit 521, for obtaining the current transmit power value of WIFI launch terminal;
Space loss value computing unit 522, for the difference of the signal strength values of the current transmit power value and the described WIFI signal received that calculate described WIFI launch terminal, using described difference as space loss value.
Instruction transmission power level computing unit 523, for the receiving sensitivity of described space loss value and described WIFI receiving terminal being sued for peace, using the instruction transmission power level of described summed result as described WIFI launch terminal.
Instruction transmission power level sending module 530, for described instruction transmission power level is sent to described WIFI launch terminal, sends WIFI signal with the instruction transmission power level making described WIFI launch terminal corresponding according to described and described signal strength values.
Optionally, described instruction transmission power level sending module 530 specifically for: described instruction transmission power level is packaged into management frames, described management frames is sent to described WIFI launch terminal.
The signal strength values of the WIFI signal received described in detecting after the WIFI receiving terminal in the embodiment of the present invention receives the WIFI signal of WIFI launch terminal transmission, and the instruction transmission power level of described WIFI launch terminal is determined according to the signal strength values of the described WIFI signal received, then send to described WIFI launch terminal, adopt described instruction transmission power level to send WIFI signal to described WIFI receiving terminal to make described WIFI launch terminal.Even if described instruction transmission power level is through space attenuation after described WIFI receiving terminal receives the WIFI signal that described WIFI launch terminal adopts described instruction transmission power level to send, but WIFI receiving terminal still can ensure that the signal strength values received is greater than the receiving sensitivity of described WIFI receiving terminal, thus the WIFI signal that described WIFI receiving terminal can correctly be received described in demodulation, reduce the error rate.
Fig. 7 is the structural representation of a kind of WIFI launch terminal in the embodiment of the present invention, and the WIFI launch terminal as shown in the figure in the present embodiment can comprise:
WIFI signal sending module 710, for sending WIFI signal to WIFI receiving terminal, to make described WIFI receiving terminal when receiving described WIFI signal, detects the signal strength values receiving described WIFI signal.
Instruction transmission power level receiver module 720, for receiving the instruction transmission power level that described WIFI receiving terminal is determined according to the described signal strength values detected.
Described instruction transmission power level receiver module 720 specifically for: receive the management frames that described WIFI receiving terminal sends, management frames described in demodulation also obtains corresponding instruction transmission power level.
Described WIFI signal sending module 710, also for adopting described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.
WIFI launch terminal in the embodiment of the present invention sends WIFI signal to WIFI receiving terminal, the signal strength values of the WIFI signal received described in detecting after receiving described WIFI signal to make described WIFI receiving terminal, and the instruction transmission power level of described WIFI launch terminal is determined according to the signal strength values of the described WIFI signal received.After described WIFI launch terminal receives the described instruction transmission power level that described WIFI receiving terminal returns, described instruction transmission power level is adopted to send WIFI signal to described WIFI receiving terminal, thus the WIFI signal that still can correctly receive described in demodulation during described WIFI receiving terminal is received WIFI signal that WIFI launch terminal sends with described instruction transmission power level, reduce the error rate.
Fig. 8 is the structural representation of a kind of WIFI transmission power regulating system in the embodiment of the present invention, WIFI transmission power regulating system as shown in the figure in the present embodiment can comprise embodiment WIFI described in conjunction with Figure 5 receiving terminal 802 and above embodiment WIFI launch terminal 801 described in conjunction with Figure 7 above, wherein:
Described WIFI launch terminal 801, for sending WIFI signal to described WIFI receiving terminal 802.
Described WIFI receives whole 802, for receiving the described WIFI signal that described WIFI launch terminal 801 sends, the signal strength values of the WIFI signal received described in detection; According to the signal strength values of the described WIFI signal received, determine to indicate transmission power level; Described instruction transmission power level is sent to described WIFI launch terminal 801.
Described WIFI launch terminal 801, also for receiving instruction transmission power level corresponding with described signal strength values described in the transmission of described WIFI receiving terminal; The described instruction transmission power level corresponding with described signal strength values is adopted to send WIFI signal to described WIFI receiving terminal 802.
WIFI launch terminal in the embodiment of the present invention sends WIFI signal to WIFI receiving terminal, the signal strength values of the WIFI signal received described in detecting after WIFI receiving terminal receives described WIFI signal, and the signal strength values of the WIFI signal sent according to the described described WIFI launch terminal received, determine the instruction transmission power level of described WIFI launch terminal, then send to described WIFI launch terminal, described WIFI launch terminal adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.Even if through space attenuation, described instruction transmission power level still can ensure that the signal strength values received is greater than the receiving sensitivity of described WIFI receiving terminal after described WIFI receiving terminal receives the WIFI signal that described WIFI launch terminal adopts described instruction transmission power level to send, thus the WIFI signal that described WIFI receiving terminal can correctly be received described in demodulation, reduce the error rate.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (15)
1. a WIFI transmission power control method, is characterized in that, comprising:
WIFI receiving terminal receives the WIFI signal that WIFI launch terminal sends, the signal strength values of the WIFI signal received described in detection;
WIFI receiving terminal according to described in the signal strength values of WIFI signal that sends of the described WIFI launch terminal that receives, determine the instruction transmission power level of described WIFI launch terminal;
Described instruction transmission power level is sent to described WIFI launch terminal by WIFI receiving terminal, adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal to make described WIFI launch terminal.
2. the method for claim 1, is characterized in that, the step of the signal strength values of the WIFI signal received described in described detection comprises:
The signal strength values of the WIFI signal received described in WIFI receiving terminal periodically detects.
3. the method for claim 1, is characterized in that, described WIFI receiving terminal according to described in the signal strength values of WIFI signal that receives, determine to indicate the step of transmission power level to comprise:
WIFI receiving terminal obtains the signal strength values and the mapping table of instruction transmission power level preset, searches the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received in described mapping table.
4. the method for claim 1, is characterized in that, described WIFI receiving terminal according to described in the signal strength values of WIFI signal that receives, determine to indicate the step of transmission power level to comprise:
WIFI receiving terminal obtains the current transmit power value of WIFI launch terminal;
WIFI receiving terminal calculates the difference of the current transmit power value of described WIFI launch terminal and the signal strength values of the described WIFI signal received, using described difference as space loss value;
The receiving sensitivity of described space loss value and described WIFI receiving terminal is sued for peace by WIFI receiving terminal, using the instruction transmission power level of described summed result as described WIFI launch terminal.
5. the method for claim 1, is characterized in that, described instruction transmission power level sends to the step of described WIFI launch terminal to comprise by described WIFI receiving terminal:
Described instruction transmission power level is packaged into management frames by WIFI receiving terminal, and described management frames is sent to described WIFI launch terminal.
6. a WIFI receiving terminal, is characterized in that, comprising:
Signal strength values detection module, for receiving the WIFI signal that WIFI launch terminal sends, the signal strength values of the WIFI signal received described in detection;
Instruction transmission power level determination module, the signal strength values of the WIFI signal that the described WIFI launch terminal for receiving described in basis sends, determines the instruction transmission power level of described WIFI launch terminal;
Instruction transmission power level sending module, for described instruction transmission power level is sent to described WIFI launch terminal, adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal to make described WIFI launch terminal.
7. WIFI receiving terminal as claimed in claim 6, is characterized in that, described signal strength values detection module specifically for:
The signal strength values of the WIFI signal received described in periodically detecting.
8. WIFI receiving terminal as claimed in claim 6, is characterized in that, described instruction transmission power level determination module specifically for:
Obtain the signal strength values and the mapping table of instruction transmission power level preset, in described mapping table, search the instruction transmission power level corresponding with the signal strength values of the described WIFI signal received.
9. WIFI receiving terminal as claimed in claim 6, it is characterized in that, described instruction transmission power level determination module comprises:
Current transmit power value acquiring unit, for obtaining the current transmit power value of WIFI launch terminal;
Space loss value computing unit, for the difference of the signal strength values of the current transmit power value and the described WIFI signal received that calculate described WIFI launch terminal, using described difference as space loss value;
Instruction transmission power level computing unit, for the receiving sensitivity of described space loss value and described WIFI receiving terminal being sued for peace, using the instruction transmission power level of described summed result as described WIFI launch terminal.
10. WIFI receiving terminal as claimed in claim 6, is characterized in that, described instruction transmission power level sending module specifically for:
Described instruction transmission power level is packaged into management frames, described management frames is sent to described WIFI launch terminal.
11. 1 kinds of WIFI transmission power control methods, is characterized in that, comprising:
WIFI launch terminal sends WIFI signal to WIFI receiving terminal, to make described WIFI receiving terminal when receiving described WIFI signal, detects the signal strength values receiving described WIFI signal;
WIFI launch terminal receives the instruction transmission power level that described WIFI receiving terminal is determined according to the described signal strength values detected;
WIFI launch terminal adopts described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.
12. methods as claimed in claim 11, it is characterized in that, the step that described WIFI launch terminal receives the instruction transmission power level that described WIFI receiving terminal is determined according to the described signal strength values detected comprises:
WIFI launch terminal receives the management frames that described WIFI receiving terminal sends, and management frames described in demodulation also obtains corresponding instruction transmission power level.
13. 1 kinds of WIFI launch terminals, is characterized in that, comprising:
WIFI signal sending module, for sending WIFI signal to WIFI receiving terminal, to make described WIFI receiving terminal when receiving described WIFI signal, detects the signal strength values receiving described WIFI signal;
Instruction transmission power level receiver module, for receiving the instruction transmission power level that described WIFI receiving terminal is determined according to the described signal strength values detected;
Described WIFI signal sending module, also for adopting described instruction transmission power level to send WIFI signal to described WIFI receiving terminal.
14. WIFI launch terminals as claimed in claim 13, is characterized in that, described instruction transmission power level receiver module specifically for:
Receive the management frames that described WIFI receiving terminal sends, management frames described in demodulation also obtains corresponding instruction transmission power level.
15. 1 kinds of WIFI transmission power regulating systems, is characterized in that, comprise the WIFI receiving terminal according to any one of claim 6-10 and the WIFI launch terminal as described in claim 13 or 14, wherein:
Described WIFI launch terminal, for sending WIFI signal to described WIFI receiving terminal;
Described WIFI receiving terminal, for receiving the described WIFI signal that described WIFI launch terminal sends, the signal strength values of the WIFI signal received described in detection; According to the signal strength values of the described WIFI signal received, determine to indicate transmission power level; Described instruction transmission power level is sent to described WIFI launch terminal;
Described WIFI launch terminal, also for receiving instruction transmission power level corresponding with described signal strength values described in the transmission of described WIFI receiving terminal; Described instruction transmission power level is adopted to send WIFI signal to described WIFI receiving terminal.
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| CN201510745683.8A CN105430732A (en) | 2015-11-03 | 2015-11-03 | WIFI transmitting power regulation method, terminal and system |
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| CN201510745683.8A CN105430732A (en) | 2015-11-03 | 2015-11-03 | WIFI transmitting power regulation method, terminal and system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106559864A (en) * | 2016-11-29 | 2017-04-05 | 上海斐讯数据通信技术有限公司 | Wireless terminal and radio transmitted power method of adjustment based on terminal control |
| CN106792462A (en) * | 2016-12-22 | 2017-05-31 | 深圳Tcl数字技术有限公司 | Bluetooth audio frequency transmits method of adjustment and device |
| CN106973431A (en) * | 2017-02-14 | 2017-07-21 | 深圳市金立通信设备有限公司 | A kind of method for regulating emission power and terminal |
| CN106982447A (en) * | 2017-03-10 | 2017-07-25 | 建荣半导体（深圳）有限公司 | One kind modification follow shot device WIFI parametric techniques, apparatus and system |
| CN107155211A (en) * | 2017-06-14 | 2017-09-12 | 广东艾檬电子科技有限公司 | Adjusting method, device, mobile terminal and the storage medium of WiFi transmission powers |
| CN107529209A (en) * | 2016-06-22 | 2017-12-29 | 深圳市中兴微电子技术有限公司 | Control the method and its device of WIFI hot spot power saving |
| CN108833030A (en) * | 2018-06-05 | 2018-11-16 | 珠海格力电器股份有限公司 | Wireless signal transmission power adjusting method, device, storage medium and terminal |
| CN109495960A (en) * | 2018-11-21 | 2019-03-19 | Tcl移动通信科技（宁波）有限公司 | Method, mobile terminal and the storage medium of remote adjustment router transmission power |
| US10305527B2 (en) | 2017-01-26 | 2019-05-28 | Ford Global Technologies, Llc | Communicatively coupling mobile devices to wireless local area networks of vehicles |
| CN110856244A (en) * | 2019-11-14 | 2020-02-28 | 杭州迪普科技股份有限公司 | AP power adjustment method and device |
| CN110996382A (en) * | 2019-11-21 | 2020-04-10 | Oppo（重庆）智能科技有限公司 | Power adjustment method, device, storage medium and electronic equipment |
| CN112272402A (en) * | 2020-10-28 | 2021-01-26 | 安徽理工大学 | Automatic judging and adjusting method for LoRa (Long Range) transmission power parameter |
| CN112672411A (en) * | 2020-12-11 | 2021-04-16 | 苏州景昱医疗器械有限公司 | Method and system for adaptively adjusting implant transmitting power |
| CN114222358A (en) * | 2021-12-27 | 2022-03-22 | 展讯通信（深圳）有限公司 | Communication method, device, network equipment and terminal equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040002352A1 (en) * | 2002-06-27 | 2004-01-01 | Andrew Sendonaris | Adjusting transmit power in a wireless communication system |
| CN1846364A (en) * | 2003-09-02 | 2006-10-11 | 皇家飞利浦电子股份有限公司 | Adaptive power control mechanism in WLAN |
| US20080316052A1 (en) * | 2004-07-22 | 2008-12-25 | Koninklijke Philips Electronics, N.V. | Controller Unit, Communiction Device and Communication System as Well as Method of Communication Between and Among Mobile Nodes |
| WO2009114640A2 (en) * | 2008-03-12 | 2009-09-17 | Qualcomm Incorporated | Method and system to indicate a desired transmit power and soft power control in a wireless network |
| CN101568173A (en) * | 2008-04-21 | 2009-10-28 | 大唐移动通信设备有限公司 | Method, device and system for controlling power |
| CN103535086A (en) * | 2013-05-16 | 2014-01-22 | 华为技术有限公司 | Uplink power control method and base station |
| CN103763739A (en) * | 2014-01-21 | 2014-04-30 | 宇龙计算机通信科技(深圳)有限公司 | Wireless local area network communication method and wireless local area network communication device |
-
2015
- 2015-11-03 CN CN201510745683.8A patent/CN105430732A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040002352A1 (en) * | 2002-06-27 | 2004-01-01 | Andrew Sendonaris | Adjusting transmit power in a wireless communication system |
| CN1846364A (en) * | 2003-09-02 | 2006-10-11 | 皇家飞利浦电子股份有限公司 | Adaptive power control mechanism in WLAN |
| US20080316052A1 (en) * | 2004-07-22 | 2008-12-25 | Koninklijke Philips Electronics, N.V. | Controller Unit, Communiction Device and Communication System as Well as Method of Communication Between and Among Mobile Nodes |
| WO2009114640A2 (en) * | 2008-03-12 | 2009-09-17 | Qualcomm Incorporated | Method and system to indicate a desired transmit power and soft power control in a wireless network |
| CN101568173A (en) * | 2008-04-21 | 2009-10-28 | 大唐移动通信设备有限公司 | Method, device and system for controlling power |
| CN103535086A (en) * | 2013-05-16 | 2014-01-22 | 华为技术有限公司 | Uplink power control method and base station |
| CN103763739A (en) * | 2014-01-21 | 2014-04-30 | 宇龙计算机通信科技(深圳)有限公司 | Wireless local area network communication method and wireless local area network communication device |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107529209A (en) * | 2016-06-22 | 2017-12-29 | 深圳市中兴微电子技术有限公司 | Control the method and its device of WIFI hot spot power saving |
| CN106559864A (en) * | 2016-11-29 | 2017-04-05 | 上海斐讯数据通信技术有限公司 | Wireless terminal and radio transmitted power method of adjustment based on terminal control |
| CN106792462A (en) * | 2016-12-22 | 2017-05-31 | 深圳Tcl数字技术有限公司 | Bluetooth audio frequency transmits method of adjustment and device |
| CN106792462B (en) * | 2016-12-22 | 2020-05-22 | 深圳Tcl数字技术有限公司 | Bluetooth audio transmission adjusting method and device |
| US10305527B2 (en) | 2017-01-26 | 2019-05-28 | Ford Global Technologies, Llc | Communicatively coupling mobile devices to wireless local area networks of vehicles |
| CN106973431A (en) * | 2017-02-14 | 2017-07-21 | 深圳市金立通信设备有限公司 | A kind of method for regulating emission power and terminal |
| CN106982447A (en) * | 2017-03-10 | 2017-07-25 | 建荣半导体（深圳）有限公司 | One kind modification follow shot device WIFI parametric techniques, apparatus and system |
| CN107155211A (en) * | 2017-06-14 | 2017-09-12 | 广东艾檬电子科技有限公司 | Adjusting method, device, mobile terminal and the storage medium of WiFi transmission powers |
| CN108833030A (en) * | 2018-06-05 | 2018-11-16 | 珠海格力电器股份有限公司 | Wireless signal transmission power adjusting method, device, storage medium and terminal |
| CN109495960A (en) * | 2018-11-21 | 2019-03-19 | Tcl移动通信科技（宁波）有限公司 | Method, mobile terminal and the storage medium of remote adjustment router transmission power |
| CN110856244A (en) * | 2019-11-14 | 2020-02-28 | 杭州迪普科技股份有限公司 | AP power adjustment method and device |
| CN110996382A (en) * | 2019-11-21 | 2020-04-10 | Oppo（重庆）智能科技有限公司 | Power adjustment method, device, storage medium and electronic equipment |
| CN110996382B (en) * | 2019-11-21 | 2023-04-07 | Oppo（重庆）智能科技有限公司 | Power adjustment method, device, storage medium and electronic equipment |
| CN112272402A (en) * | 2020-10-28 | 2021-01-26 | 安徽理工大学 | Automatic judging and adjusting method for LoRa (Long Range) transmission power parameter |
| CN112672411A (en) * | 2020-12-11 | 2021-04-16 | 苏州景昱医疗器械有限公司 | Method and system for adaptively adjusting implant transmitting power |
| CN114222358A (en) * | 2021-12-27 | 2022-03-22 | 展讯通信（深圳）有限公司 | Communication method, device, network equipment and terminal equipment |
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