CN103747510A - Data transmission method and system for reducing power consumption of WIFI (wireless fidelity) module - Google Patents
Data transmission method and system for reducing power consumption of WIFI (wireless fidelity) module Download PDFInfo
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- CN103747510A CN103747510A CN201310751038.8A CN201310751038A CN103747510A CN 103747510 A CN103747510 A CN 103747510A CN 201310751038 A CN201310751038 A CN 201310751038A CN 103747510 A CN103747510 A CN 103747510A
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- 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
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- 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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Abstract
The invention provides a data transmission method for reducing the power consumption of a WIFI (wireless fidelity) module. The method comprises the following steps that the emitting power is controlled to be the maximum value; a proberequest frame is sent to wireless local area network equipment, and in addition, the timing is started; the proberesponse frame is received, in addition, the timing is stopped, and the reference time period t is stored; the emitting power is reduced at the preset times; the proberequest frame is sent again, and in addition, the timing is started; step E: the proberesponse frame is received again, the timing is stopped, and the time period T' is stored; whether the time period T' is greater than the reference time average value T or not is judged, if so, the step H is executed, and otherwise, the step E is executed; step H: a difference value is obtained through subtracting the reference time period t from the time period T', whether the obtained difference value is greater than the preset time threshold value or not is judged, if not, the step E is executed, and if so, the step I is executed; step I: the emitting power is controlled to be maintained at the power value in a last time. The method provided by the invention has the advantage that the power consumption of the WIFI module can be reduced. The invention also relates to a data transmission system.
Description
Technical field
The present invention relates to a kind of data transmission method for reducing WIFI module dissipation and system.
Background technology
WIFI module is a kind ofly rs 232 serial interface signal or Transistor-Transistor Logic level signal to be converted to the converting transmission device transmitting after WIFI signal, its built-in protocol of wireless local area network standard IEEE 802.11 protocol stacks and ICP/IP protocol stack.Even if existing WIFI module also works in rated power when transmitting less data volume, like this for a long time, make WIFI module consume a large amount of unnecessary energy consumptions, be unfavorable for energy-conserving and environment-protective.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide a kind of data transmission method for reducing WIFI module dissipation solving the problems of the technologies described above and system.
For achieving the above object, the present invention adopts following technical scheme:
For reducing a data transmission method for WIFI module dissipation, it comprises the following steps:
Steps A: control transmitting power is maximum;
Step B: send probe request frame to WLAN equipment, and start timing;
Step C: receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving section t fiducial time replying;
Step e: reduce transmitting power with preset multiple;
Step F: again send probe request frame to WLAN equipment, and start timing;
Step G: again receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving the time period T ' replying;
Step P: judge that whether time period T ' is greater than section t fiducial time, if so, performs step H; If not, execution step E.
Step H: time period T ' is subtracted to section t acquisition fiducial time difference, judge whether the difference of gained is greater than Preset Time threshold value, if not, return to execution step E; If so, perform step I; And
Step I: control transmitting power and remain last performance number.
Further, step C also comprises judging whether the number of times that receives probe response frame equals preset times, if not, carries out to return and continues execution step B, if so, performs step D;
Notebook data transmission method also comprises the step D being positioned at before step e: divided by preset times obtained to fiducial time mean value T after section t summation the fiducial time of preset times;
Above-mentioned steps H, for time period T ' being subtracted to mean value T acquisition fiducial time difference, judges whether the difference of gained is greater than Preset Time threshold value, if not, returns to execution step E; If so, perform step I.
For reducing a data transmission system for WIFI module dissipation, it comprises with lower module:
Modules A: control transmitting power is maximum;
Module B: send probe request frame to WLAN equipment, and start timing;
Module C: receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving section t fiducial time replying;
Module E: reduce transmitting power with preset multiple;
Module F: again send probe request frame to WLAN equipment, and start timing;
Module G: again receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving the time period T ' replying;
Module P: judge whether time period T ' is greater than section t fiducial time, if so, Executive Module H; If not, Executive Module E;
Module H: time period T ' is subtracted to section t acquisition fiducial time difference, judge whether the difference of gained is greater than Preset Time threshold value, if not, return to Executive Module E; If so, Executive Module I; And
Module I: control transmitting power and remain last performance number.
Further, module C also comprises judging whether the number of times that receives probe response frame equals preset times, if not, carries out to return and continues Executive Module B, if so, Executive Module D;
Notebook data transmission system also comprises the module D being positioned at before module E: divided by preset times obtained to fiducial time mean value T after section t summation the fiducial time of preset times;
Above-mentioned module H, for time period T ' being subtracted to mean value T acquisition fiducial time difference, judges whether the difference of gained is greater than Preset Time threshold value, if not, returns to Executive Module E; If so, Executive Module I
Beneficial effect of the present invention is as follows:
Foregoing invention can select to be applicable to the transmitting power of transfer of data automatically, avoids the power wastage causing in maximum transmission power due to long-term work.In addition, also can automatically according to the input rate of external interface, automatically from a plurality of protocol of wireless local area network standard IEEE 802.11X, select the protocol of wireless local area network standard IEEE 802.11X of coupling to transmit, and automatically select the WIFI speed that is applicable to input rate to transmit data.The present invention can effectively reduce the power consumption of WIFI module, is beneficial to energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is that the present invention is for reducing the part flow chart of the better embodiment of the data transmission method of WIFI module dissipation.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further:
Refer to Fig. 1, the present invention relates to a kind of data transmission method for reducing WIFI module dissipation, its better embodiment comprises the following steps:
Steps A: controlling transmitting power is that maximum is as rated power;
Step B: send probe request frame to WLAN equipment as router, and start timing;
Step C: receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving section t fiducial time replying; Whether the number of times that judgement receives probe response frame equals preset times, if not, carries out to return and continues execution step B, if so, performs step D.
Step D: divided by preset times obtained to fiducial time mean value T after section t summation the fiducial time of preset times.So, can obtain reliable and stable and there is value fiducial time of reference significance.
Step e: reduce transmitting power with preset multiple, for example, in the time of for the first time, the maximum of transmitting power is reduced to 1dB, follow-up reduces 1dB by last transmitting power.
Step F: again send probe request frame to WLAN equipment, and start timing.
Step G: again receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving the time period T ' replying.
Step P: judge that whether time period T ' is greater than mean value T fiducial time, if so, performs step H; If not, execution step E.
Step H: time period T ' is subtracted to mean value T acquisition fiducial time difference, judge whether the difference of gained is greater than Preset Time threshold value, if not, illustrate that communication is normal, return to execution step E; If so, perform step I.And
Step I: control transmitting power and remain last performance number.WIFI module works in the transmitting power of currency can save unnecessary energy loss in the situation that guaranteeing normal transmission data simultaneously, is beneficial to energy-conserving and environment-protective.
Foregoing invention can select to be applicable to the transmitting power of transfer of data automatically, avoids the power wastage that causes in maximum transmission power due to long-term work, can effectively reduce the power consumption of WIFI module, is beneficial to energy-conserving and environment-protective.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion all should belong to the protection range of the claims in the present invention within.
Claims (4)
1. for reducing a data transmission method for WIFI module dissipation, it is characterized in that: it comprises the following steps:
Steps A: control transmitting power is maximum;
Step B: send probe request frame to WLAN equipment, and start timing;
Step C: receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving section t fiducial time replying;
Step e: reduce transmitting power with preset multiple;
Step F: again send probe request frame to WLAN equipment, and start timing;
Step G: again receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving the time period T ' replying;
Step P: judge that whether time period T ' is greater than section t fiducial time, if so, performs step H; If not, execution step E;
Step H: time period T ' is subtracted to section t acquisition fiducial time difference, judge whether the difference of gained is greater than Preset Time threshold value, if not, return to execution step E; If so, perform step I; And
Step I: control transmitting power and remain last performance number.
2. the data transmission method for reducing WIFI module dissipation as claimed in claim 1, it is characterized in that: step C also comprises judging whether the number of times that receives probe response frame equals preset times, if not, carry out to return and continue execution step B, if so, perform step D;
Notebook data transmission method also comprises the step D being positioned at before step e: divided by preset times obtained to fiducial time mean value T after section t summation the fiducial time of preset times;
Above-mentioned steps H, for time period T ' being subtracted to mean value T acquisition fiducial time difference, judges whether the difference of gained is greater than Preset Time threshold value, if not, returns to execution step E; If so, perform step I.
3. for reducing a data transmission system for WIFI module dissipation, it is characterized in that: it comprises with lower module:
Modules A: control transmitting power is maximum;
Module B: send probe request frame to WLAN equipment, and start timing;
Module C: receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving section t fiducial time replying;
Module E: reduce transmitting power with preset multiple;
Module F: again send probe request frame to WLAN equipment, and start timing;
Module G: again receive the probe response frame from WLAN equipment, and stop timing, storage is from sending frame to receiving the time period T ' replying;
Module P: judge whether time period T ' is greater than section t fiducial time, if so, Executive Module H; If not, Executive Module E;
Module H: time period T ' is subtracted to section t acquisition fiducial time difference, judge whether the difference of gained is greater than Preset Time threshold value, if not, return to Executive Module E; If so, Executive Module I; And
Module I: control transmitting power and remain last performance number.
4. the data transmission system for reducing WIFI module dissipation as claimed in claim 4, it is characterized in that: module C also comprises judging whether the number of times that receives probe response frame equals preset times, if not, carry out to return and continue Executive Module B, if so, Executive Module D;
Notebook data transmission method also comprises the module D being positioned at before module E: divided by preset times obtained to fiducial time mean value T after section t summation the fiducial time of preset times;
Above-mentioned module H, for time period T ' being subtracted to mean value T acquisition fiducial time difference, judges whether the difference of gained is greater than Preset Time threshold value, if not, returns to Executive Module E; If so, Executive Module I.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310751038.8A CN103747510A (en) | 2013-12-31 | 2013-12-31 | Data transmission method and system for reducing power consumption of WIFI (wireless fidelity) module |
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| CN201310751038.8A CN103747510A (en) | 2013-12-31 | 2013-12-31 | Data transmission method and system for reducing power consumption of WIFI (wireless fidelity) module |
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| CN103747510A true CN103747510A (en) | 2014-04-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848261A (en) * | 2016-03-18 | 2016-08-10 | 深圳东志科技有限公司 | Transmitting power adjustment method and device for WIFI antenna |
| CN107959961A (en) * | 2016-10-17 | 2018-04-24 | 中兴通讯股份有限公司 | The selection of WIFI patterns, control method and device |
-
2013
- 2013-12-31 CN CN201310751038.8A patent/CN103747510A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848261A (en) * | 2016-03-18 | 2016-08-10 | 深圳东志科技有限公司 | Transmitting power adjustment method and device for WIFI antenna |
| CN107959961A (en) * | 2016-10-17 | 2018-04-24 | 中兴通讯股份有限公司 | The selection of WIFI patterns, control method and device |
| WO2018072596A1 (en) * | 2016-10-17 | 2018-04-26 | 中兴通讯股份有限公司 | Method and apparatus for selecting and controlling wifi mode, and computer storage medium |
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Application publication date: 20140423 |