CN101102557A - Power saving deice and its method for wireless LAN of portable information terminal - Google Patents
Power saving deice and its method for wireless LAN of portable information terminal Download PDFInfo
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- CN101102557A CN101102557A CNA2006100863209A CN200610086320A CN101102557A CN 101102557 A CN101102557 A CN 101102557A CN A2006100863209 A CNA2006100863209 A CN A2006100863209A CN 200610086320 A CN200610086320 A CN 200610086320A CN 101102557 A CN101102557 A CN 101102557A
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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
- 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
Abstract
In the invention, the processed I/O data in the portable information terminal is transmitted and received through WLAN; finding out the sending standby data size and the received-data continuously-existed cycle; using a hysteresis characteristic threshold as a dynamically-measured standard to dynamical set the switch of energy-saving mode of the WLAN. The energy-saving unit comprises: information processing unit, control unit, energy-saving running unit, and WLAN unit.
Description
Technical field
The present invention relates to the economize on electricity of the WLAN (wireless local area network) that combines with portable data assistance, relate in particular to the WLAN (wireless local area network) battery saving arrangement and the method thereof of portable data assistance, dynamic surveillance control data delivery status, increase the efficient of economize on electricity, in electricity-saving state, guarantee conveying function at least, guarantee compatibility and marketability with existing WLAN (wireless local area network).
Background technology
When tracking exchage portable terminal (MS:MOBILE STATION mobile station) moves freely in the service area (service area) of respective wireless Access Network (the RAN:radio access network) formation of system that registers login or mobile radio communication (NETWORK), supervision and control and conversion (switching) by mobile switching centre (MSC:mobile switching center), via the communication line of setting, the other side with hope can communicate in wireless connections whenever and wherever possible, be that a kind of individual often directly carries, and the most advanced and sophisticated wireless communication apparatus that can use in any place.
Above-mentioned mobile station (MS) is being developed provides communication multiple Additional Services in addition, such as, other new function is also being developed in bluetooth (blue tooth), infrared ray (IRDA), WLAN (wireless local area network) (wireless LAN), TV (TV) reception, wireless Internet login, data communication etc.
Notebook computer (NOTE-BOOK PC) is easy to carry and more small and exquisite on the basis of the function that comprises desktop computer (DESK-TOP PC), has increased mobility, where no matter moves to, and can carry out data processing.PDA (PERSONAL DIGITALASSISTANCE palmtop PC) has reduced the part of functions of notebook computer, makes more small and exquisite.
Above-mentioned notebook or PDA, login transmits the data of handling and also shares by other computer, notebook or the PDA of wireless or wired connection, perhaps also can obtain necessary data, is referred to as portable data assistance.
For carrying out RFDC, and be combined with the function of portable terminal, utilize WLAN (wireless local area network) (WIRELESS LAN) function of the portable terminal device of combination with above-mentioned notebook and PDA.
Above-mentioned notebook or PDA use battery (BATTERY) for guaranteeing its mobility and portability as action power, make small and exquisite lightness, so the size of battery and capacity are restricted, define the size of the action power that provides.
The portable terminal that comprises above-mentioned notebook and PDA, WLAN (wireless local area network) (WIRELESS LAN) should be equipped with for carrying out RFDC,, in order to carry out RFDC in case of necessity immediately, above-mentioned WLAN (wireless local area network) should be to use (active) state action, so the consumption rate of electric power is bigger.
For reducing the power consumption that produces by WLAN (wireless local area network), in the middle of many new technologies are being developed and are being proposed, technology similar to the above is not carry out in the state of data communication at the wireless lan function device, make it consume minimum electric power, the energy-saving mode mode of operation that limits, aforesaid way also should farthest guarantee data necessary communication in the energy-saving mode state, have compatibility with existing specification, just can guarantee its marketability.
Therefore, be necessary to develop a kind of compatibility that has with existing WLAN (wireless local area network) specification, in the energy-saving mode state, to a certain degree keep the technology of data transfer performance simultaneously.
Below, the WLAN (wireless local area network) application mode of the portable data assistance of prior art is illustrated with reference to accompanying drawing.
Accompanying drawing is to add for the explanation prior art, and Fig. 1 is the function constitution map of the WLAN (wireless local area network) entering device of conventional portable information terminal, and Fig. 2 is the WLAN (wireless local area network) application process precedence diagram of the portable data assistance of prior art.
With reference to Fig. 1, if the WLAN (wireless local area network) entering device of explanation conventional portable information terminal, additional have the notebook 10 of WLAN (wireless local area network) (WIRELESS LAN) function or PDA20 self to carry out the information data processing.
Above-mentioned notebook 10 and PDA20, the server 70 that the data of handling are sent to other computer 60 or manage data concentratedly and carry out respective handling and management, perhaps for the necessary data operation of wireless lan that provides from computer 60 or server 70 is provided, by WLAN (wireless local area network), be sent to wireless access network 30 with asking the login signal wireless that is connected with computer 60 or server 70 for instructions.
Above-mentioned wireless access network (RAN) 30, the logging request signal that notebook 10 or PDA20 are applied is sent to mobile switching centre (MSC) 40, above-mentioned mobile switching centre 40 is by analyzing and corresponding conversion process, control public network 50, set path (PATH) is so the login that is connected with computer 60 or server 70.
By the communication path of above-mentioned setting, notebook 10 or PDA20 be connected with computer 60 or server 70 data that wireless transmission is handled, perhaps wireless receiving data necessary.
Same as described above, WLAN (wireless local area network) is for realizing the data communication of notebook 10 or PDA20, and activating all the time is application state, so consume the electric power height; Because utilize power-limited that the battery of portable data assistance provides, so shorten to some extent on service time.
Below, with reference to accompanying drawing 2, the application process of the WLAN (wireless local area network) of the portable data assistance of prior art is illustrated.
Judge whether to move and notebook 10 or the similar portable data assistance of PDA20, carry out data processing (S10),, in the time of moving portable data assistance, self carry out the data processing (S20) of various information if judge S10 result.
Above-mentioned portable data assistance judge whether will with other computer 60 or the server 70 wireless connections RFDC (S30) that transmits reduced data, when above-mentioned judgement S30 result will carry out RFDC, the WLAN (wireless local area network) (WIRELESSLAN) that the activation one is equipped with (S40).
Same as described above, by the activated wireless local area network (LAN), above-mentioned portable data assistance is sent to the computer 60 or the server 70 of connection with corresponding data by wireless communications path, perhaps receives and sends the wireless data (S50) that receives.
Above-mentioned portable data assistance judges whether the battery that one is equipped with can continue to provide power supply (S60), and above-mentioned judgement S60 returns the 2nd step as power supply can be provided, and proceeds wireless data and transmits, and finishes in the time can not providing power supply.
The prior art identical with above-mentioned formation, when the battery that is equipped with in portable data assistance can provide the operating power state, wireless lan function portion operates to normal condition all the time, so it is big that power consumption becomes, also because of service time of portable data assistance when reducing, the normal running of wireless lan function portion and the heat that produces is also more, thus the reliability of data processing reduced, shortened useful life.
The present invention improves a part of above-mentioned prior art defective, according to Korean Patent 2002-0009906 number (2002.2.25), from having proposed a kind of mode of moving energy-saving mode the state that is not having the data transmission to receive basically.
But, identical with the above, give one example, though the prior art of improving provides and the compatibility on the specification between WLAN (wireless local area network) before, but only under the situation that does not have data to send and receive, move energy-saving mode, so under the state of transmitting and receiving data, also exist the problem of not economizing on electricity, and as the mobile reception of data, in energy-saving mode, do not provide the problem of Data Receiving function.
So identical with the above improves in the prior art, handle according to the data transfer rate that common energy-saving mode ensures, can not deal with data in electricity-saving state, therefore the effect of economize on electricity descends, and with the compatibility of prior art, has not reduced the performance that data transmit.
Summary of the invention
The present invention is data of measuring the wireless local network transmission in the portable data assistance, dynamically sets energy-saving mode and power consumption is dropped to minimum.Particularly the object of the invention is, a kind of WLAN (wireless local area network) battery saving arrangement and method thereof of portable data assistance are provided, promptly improve the transfer rate of data, reduced the loss with packet of delaying of delivery time, simultaneously institute is consumed electric power and drop to minimum by magnetic hysteresis (hysteresis) characteristic.
The present invention proposes for addressing the above problem just, send or receive by WLAN (wireless local area network) for the data that will handle the back input and output in the portable data assistance, it is characterized in that, find the cycle of the data continued presence of data volume in the above-mentioned transmission standby and reception, dynamically set by the standard of dynamic measurement and the Push And Release of employing wireless local area network (LAN) energy-saving mode according to the threshold value of hysteresis characteristic.
In addition, also comprise for reaching its formation of the present invention that above-mentioned purpose researches and develops: the digital data information that will be input to portable data assistance is handled the information processor of output by application corresponding; Be connected with above-mentioned information processor, the input and output and the processing of control and monitoring data, and monitor the control device that each funtion part is moved; The dynamically data message size of judgement input and output and the power-saving running device of setting releasing electricity-saving state are connected with control device; Be connected with the power-saving running device and the data of input and output received the Wireless LAN device of transmission in the mode of WLAN (wireless local area network).
In addition, for addressing the above problem the present invention who proposes, deal with data in the portable data assistance, when maybe the data that will be used to handle are by driving WLAN (wireless local area network) wireless transmission or reception, with the cycle of timer is that unit data volume that sends and the consecutive periods that receives standby are that standard judges big or identical with the respective threshold, with the Push And Release of dynamic control energy-saving mode.
In addition, for addressing the above problem the present invention who proposes, when it is characterized in that comprising the steps: to move the WLAN (wireless local area network) of portable data assistance, initialization timer, the timing course of counting certain value; If timer is finished counting in the said process, judge the mode process whether energy-saving mode is moved; If be the energy-saving mode state that moves in mode process, the cycle of the continuous standby of transmission data volume and reception data when threshold value is above, is moved the normal processes of normal mode on necessarily; If do not move energy-saving mode in mode step, the continuous latent period that sends data volume and reception data is fixed when threshold value is following one, connects the power saving process of operation energy-saving mode.
The present invention same as described above, for the portable data assistance that is equipped with WLAN (wireless local area network), because the connection of dynamically controlling energy-saving mode with close, the propagation delay and the loss of packets of data can not take place, while is Min. ground electrification also, has the industry of utilizing the time that improves battery and utilizes effect.
In addition, the present invention identical with above-mentioned formation under energy-saving mode is opened running status, also can keep data transfer rate at least, so increased the efficient of electric power, improved the time of utilizing, and increased user's facility.
In addition, dynamically control energy-saving mode and open and close, prolonged the life-span of battery, needn't be revised existing WLAN (wireless local area network) specification simultaneously, also increased user convenience economically.
Description of drawings
Fig. 1 is that the function of the WLAN (wireless local area network) entering device of general portable data assistance constitutes schematic diagram;
Fig. 2 is the WLAN (wireless local area network) application process precedence diagram of portable data assistance in the prior art;
Fig. 3 is that the function of the WLAN (wireless local area network) battery saving arrangement of portable data assistance of the present invention constitutes schematic diagram;
Fig. 4 is that the detailed functions of the power-saving running device of portable data assistance of the present invention constitutes schematic diagram;
Fig. 5 is the transmitting monitoring device and the detailed functions pie graph that receives monitoring arrangement of portable data assistance of the present invention;
Fig. 6 is the WLAN (wireless local area network) power-saving method precedence diagram of portable data assistance of the present invention.
The symbol description of major part in the accompanying drawing
100: portable data assistance 110: information processor 120: control device
130: power-saving running device 140: WLAN (wireless local area network) 150: the economize on electricity setting device
152: timer 154: economize on electricity judgment means 156: driving control device
160: the monitoring arrangement 162 of posting a letter: quantitative measurement device 164: filter
170: receive monitoring arrangement 172: receive the load measurement device
Embodiment
Be described in detail below with reference to the WLAN (wireless local area network) battery saving arrangement and the method thereof of accompanying drawing portable data assistance of the present invention.
For further specifying the present invention, Fig. 3 is the WLAN (wireless local area network) battery saving arrangement function constitution map of portable data assistance of the present invention, Fig. 4 is the power-saving running device detailed functions pie graph of portable data assistance of the present invention, Fig. 5 is the detailed functions pie graph of the post a letter monitoring arrangement and the reception monitoring arrangement of portable data assistance of the present invention, and Fig. 6 is the WLAN (wireless local area network) power-saving method precedence diagram of portable data assistance of the present invention.
With reference to Fig. 3 to Fig. 5, if the WLAN (wireless local area network) battery saving arrangement of explanation portable data assistance of the present invention, send reception for the data of in portable data assistance 100, handling input and output by WLAN (wireless local area network), its formation is, find data volume that sends in the standby and the cycle that receives the data continued presence, threshold value by magnetic hysteresis (hysteresis) characteristic is determined as standard with dynamic (DYNAMIC), dynamically sets the switch (ON/OFF) of the energy-saving mode of operation of wireless lan.
The formation of portable data assistance 100 comprises as lower device: with the digital data information of input by application corresponding (APPLICATION) in addition data (DATA) handle the information processor 110 that (PROCESSING) exports;
Be connected with information processor 110, control monitoring data input and output and processing, and monitor the control device 120 that each function is moved;
And power-saving running device 130, comprise: be connected with above-mentioned control device 120, dynamically judge the data message size of input and output, set or remove electricity-saving state, supervision dynamically determines energy-saving mode to set and the economize on electricity setting device of removing 150 to set the certain hour cycle size of data of posting a letter and collect mail; The monitoring arrangement 160 of posting a letter, it is by being connected with economize on electricity setting device 150, monitor and find the dateout size, the quantitative assay filter that the quantitative measurement device 162 of data in the standby and low-pass filter handle the data volume that above-mentioned quantitative measurement device 162 measures of posting a letter is formed; Be connected 150 with the economize on electricity setting device, find and monitor and import the continuous standby cycle of data, and find the cycle that receives data continued presence in the standby of analyzing, measure and receive the reception monitoring arrangement 170 of loading;
Be connected the Wireless LAN device 140 that the data of input and output are received or send in the mode of WLAN (wireless local area network) with power-saving running device 130.
Above-mentioned its formation of economize on electricity setting device comprises: by the control corresponding counting some cycles time, and the time set 152 of output control signal; Apply control signal corresponding from time set 152, analysis post a letter data and the size that receives data, dynamically judge and enter energy-saving mode, the output corresponding control signal, monitor and analyze post a letter size of data and reception size of data, by certain hysteresis characteristic threshold value, dynamically judge the economize on electricity judgment means 154 that enters energy-saving mode; By the control of above-mentioned economize on electricity judgment means 154, confirm the state information of Wireless LAN device 140, control enters the actuator control device 156 of energy-saving mode.
The filter of the above-mentioned monitoring arrangement 160 of posting a letter is by measuring the data volume of filtering with descending identical digital low-pass filtering rule computing.
(mathematical expression 1)
Q
TF[k]＝αQ
TF[k-1]+(1-α)Q
TM[k]
α: the constant between 0 and 1
In addition, above-mentioned reception monitoring arrangement 170 is by finding the cycle that receives the data continued presence with identical down computing.
(mathematical expression 2)
Below, explained with reference to the WLAN (wireless local area network) battery saving arrangement of accompanying drawing by the present invention identical portable data assistance with above-mentioned formation.
Above-mentioned portable data assistance 100 is as a kind of equipment that similarly can import a large amount of numerical datas and be handled and export by corresponding operation with notebook (NOTE BOOK) computer or PDA etc., when external computer etc. inputs or outputs the data of processing, use the WLAN (wireless local area network) that guarantees its locomotive function.
Provide the battery of action power because its size and capacity are restricted for making above-mentioned portable data assistance 100 have mobility, so the consumption of electric power should be reduced to minimum, particularly the WLAN (wireless local area network) in the portable data assistance is a bigger functional device of power consumption.
WLAN (wireless local area network) is by wireless receiving or send data, many more its electric power consumptions of wireless transmission data amount are just big more, power consumption is also big in not having the holding state of transfer of data, makes power consumption reach minimum so be necessary to be converted into energy-saving mode in holding state.
Measure WLAN (wireless local area network) and receive the data volume that sends, if preset threshold, set energy-saving mode for opening or closing,, set by the threshold value of hysteresis characteristic and come dynamically (DYNAMIC) control for prevent that back and forth conversion (PING PONG) phenomenon takes place around threshold value.Technology of the present invention that Here it is.
Above-mentioned information processor 110 is as the function of tonic chord part of portable data assistance 100, control input data by control device 120, handled to export control device to by application corresponding (APPLICATION), above-mentioned control device 120 is by power-saving running device 130 and WLAN (wireless local area network) 140 inputoutput datas.
Above-mentioned power-saving running device 130, mensuration exports the data volume of Wireless LAN device 140 to and from cycle of the continuous standby of data of Wireless LAN device 140 input, if bigger, close (OFF) energy-saving mode, if little (ON) energy-saving mode of just opening than the magnetic hysteresis threshold value of setting.
Above-mentioned economize on electricity application apparatus 130 its formations comprise: the economize on electricity setting device 150 of control electricity-saving state; The post a letter monitoring arrangement 160 of delivering letters of size of data of mensuration; Measure the reception monitoring arrangement 170 that receives the continuous standby cycle of data.
Above-mentioned economize on electricity setting device 150 is found the size of data of posting a letter (Qtf) that the monitoring arrangement 160 of posting a letter is measured, the above-mentioned size of data of finding of posting a letter (Qtf) is if go up when threshold value (Qtu) is big or identical than posting a letter, close energy-saving mode, make Wireless LAN device 140 operate to normal mode, if it is littler to threshold value (Qti) than posting a letter down, open energy-saving mode, make Wireless LAN device 140 operate to energy-saving mode.
Above-mentioned posting a letter upward has different value to threshold value (Qtl) by hysteresis characteristic with posting a letter down to threshold value (Qtu), in general, posting a letter to go up to threshold value (Qtu) is set at than posting a letter down to the big numerical value of threshold value (Qtl), and institute is not so that it reciprocal conversion phenomena can take place.
In addition, find the cycle numerical value (Qrf) that receives the continuous standby of data by Wireless LAN device 140,, be controlled to be to close Wireless LAN device is in the non-energy-saving mode when going up when threshold value is big than receiving.Numeric ratio of continuous standby cycle of above-mentioned data receives down to threshold value (Qrl) hour, be controlled to be open (ON), Wireless LAN device 140 is in the energy-saving mode, simultaneously, make in the above identical reception following to threshold value (Qrl) numerical value different because of hysteresis characteristic has to threshold value (Qru) and reception, because setting reception is bigger to threshold value (Qrl) down than receiving to threshold value (Qru) upward, make it reciprocal conversion phenomena can not take place.
Above-mentioned Wireless LAN device 140, close in energy-saving mode under the normal operating condition or general mode of (OFF), each cycle that produces by corresponding time set 152 is complete transmission (FULL TRANSMISSION) data all, in the energy-saving mode of energy-saving mode open (ON), only in certain cycle, transmit data, for not transmitting the economize on electricity sleep state of data, rate of data signalling is descended in other cycle.
If the data transmission rate in above-mentioned general mode is Bn, the data transmission rate in the energy-saving mode is Bp, forms and following identical mathematical expression.
(mathematical expression 3)
Bp=Bn/M,
*M is than 1 big constant
So in energy-saving mode, compare transmission is divided into fractional value because of constant value (M) data with general mode.
Finding monitoring arrangement 160 its formations of posting a letter of measuring identical transmission size of data with the above comprises: the post a letter quantitative measurement device 162 of data of quantitative assay (Qtm); Quantitative measurement device is measured the filter 164 that numerical operation is a low-pass filter processing costs (Qtf).
The above-mentioned standby data volume of quantitatively posting a letter is Qtm, for carrying out wireless posting a letter by WLAN (wireless local area network) 140, is determined in the respective buffer data packet number in the standby or byte (BYTE) number and draws.
Above-mentioned Qtm and the packet that will send are appended to buffer, perhaps with standby in packet identical when being sent to Wireless LAN device 140, all upgrade when the data volume in the buffer in the standby changes at every turn and measured, find.
Above-mentioned Qtm can be replaced with the mensuration numerical information of arrival interval between the data volume that sends in the certain hour or each packet of posting a letter (PACKET) etc.
For removing the composition of the numerical value drastic change of finding with the above identical calculations, utilize the periodic quantity of tf, calculate the Qtf identical with following mathematical expression 1.A last mathematical expression can be replaced with rolling average calculating formula or other digital low-pass filtering algorithm.
(mathematical expression 1)
Q
TF[k]=α Q
TF[k-1]+(1-α) Q
TM[k], α are the constants between 0 and 1
Above-mentioned reception monitoring arrangement 170 is to measure to find the consecutive periods numerical value that receives standby from WLAN (wireless local area network) 140, comprises the reception load carried out quantification, and the reception load measurement device of being measured 172.
Common WLAN (wireless local area network) specification, from logining the identical the other side's WLAN (wireless local area network) of point (AP:ACCESSPOINT) with WLAN (wireless local area network), with certain cycle reception beacon (Beacon) frame, above-mentioned beacon frame is made of control and operation information signal, also comprises the information that whether exists by the data in the standby of wireless local network transmission of informing.
Above-mentioned reception monitoring arrangement 170 is analyzed the beacon frame that receives with some cycles, and the periodicity of the data continued presence of reception holding state carries out the calculating identical with following digital 2 by Qrf (k) and measures and find till the near present time point k.
(digital 2)
Identical with the above, economize on electricity setting device 150 is, the setting value that to measure respectively from post a letter monitoring arrangement 160 and reception monitoring arrangement 170 is higher limit (UPPER THRESHOLD) and the lower limit (LOWER THRESHOLD) that magnetic hysteresis (HYSTERESIS) produces, and in addition dynamically (DYNAMIC) judges, control above-mentioned WLAN (wireless local area network) 140, it is operated with energy-saving mode, perhaps move with general mode.
The certain hour that above-mentioned economize on electricity setting device 150 countings (COUNT) are set by timer 152, when each above-mentioned counting was finished, periodically the control signal of output was to apply from economize on electricity judgment means 154.
The control signal that above-mentioned economize on electricity judgment means 154 periodically applies according to above-mentioned time set 152, monitoring arrangement 160 and receive the standby data volume and receive applying of the continuous standby periodic quantity of data of posting a letter that monitoring arrangement 170 is found mensuration obtains posting a letter, with produce by magnetic hysteresis (HYSTERESIS) characteristic go up to (UPPER) and descend to compare to (LOWER) threshold value (THRESHOLD), judge whether decision should be carried out WLAN (wireless local area network) 140 is operated to the mode switch that energy-saving mode still is a general mode, the result of above-mentioned judgement is imposed on driving control device 156, and above-mentioned driving control device 156 controls operate to general mode or energy-saving mode with WLAN (wireless local area network) 140.
Thus, the present invention identical with above-mentioned formation, if the data of posting a letter by WLAN (wireless local area network) and the data of reception are below certain threshold value fiducial value, operate to energy-saving mode, in consume low amounts of power, make it transmit minimal data, if the above-mentioned data volume of posting a letter and receiving is more than certain threshold criteria numerical value, be converted to general mode, make it can transmit deal with data fast.
Below, with reference to accompanying drawing 6, the WLAN (wireless local area network) power-saving method of portable data assistance of the present invention is illustrated.
Above-mentioned portable data assistance comprises notebook computer and PDA etc., deal with data or driving possess the WLAN (wireless local area network) of the data that are used to handle, send or when receiving to the outside, it will be that data volume and the reception that unit posts a letter treats that the consecutive periods of machine data is that standard is come comparison with the respective threshold timer period, judgement is big or identical, carries out open and closed with dynamic control energy-saving mode.
The WLAN (wireless local area network) power-saving method of above-mentioned portable data assistance comprises following several steps: first step is the timer step, it is when the wireless local network operation of portable data assistance, the value that initialization timer counting is certain, it comprises following several steps again: for carry out the input and output of data in portable data assistance, judge whether the process (S100) of operation of wireless lan; In previous step rapid (S100) during operation of wireless lan, the process of initialization timer (S110); Initialized timer counting in the previous step rapid (S110) is the process (S120) of certain value.
Second step is a mode step, if be that counting is finished in the timing step, just judges whether energy-saving mode is in running status.It comprises following two steps again: whether the timer of judging counting finishes counting (S130); The timer counting is finished in step (S130), judges whether to move energy-saving mode (S140).
Third step is a normal step, be in a last mode step if energy-saving mode is in running status, and the cycle of the continuous standby of data of data volume of posting a letter and reception on certain more than threshold value, the operation normal mode.This step is divided into following steps: if what move in mode step is energy-saving mode, judge that the standby data volume (Qtf) of posting a letter of Filtering Processing goes up to threshold value (Qtu) greatly still identical (S150) with determining posting a letter of power save function whether; The standby data volume of posting a letter in step (S150) (Qrf) goes up than posting a letter to threshold value (Qru) hour, judges to receive and treats that machine data consecutive periods (Qrf) compares greatly or identical (S160) to threshold value (Qru) with receiving upward; The standby data volume (Qrf) of posting a letter in the previous step rapid (S160) is compared greatly or same case with posting a letter to go up to threshold value (Qru), treat machine data consecutive periods (Qrf) and receive to compare under the big or identical situation with reception, close (OFF) operating energy-saving mode (S170) to threshold value (Qtu).
And the 4th step step of promptly economizing on electricity, be when not moving energy-saving mode in the mode step, the data volume of posting a letter (Qtf) and receive the continuous standby cycles of data (Qrf) and fix when threshold value is following open energy-saving mode.This step also comprise the steps: to judge filtering (FILTER) handles post a letter standby data volume (Qtf) with determine power save function whether posting a letter under compare big or identical (S180) to threshold value (Qtl); The standby data volume (Qtf) of posting a letter in the previous step rapid (S180) is compared hour to threshold value (Qtl) with posting a letter down, judge receive treat machine data consecutive periods (Qtf) whether with reception under to threshold value (Qrl) big or identical (S190); Receive the consecutive periods (Qrf) for the treatment of machine data in the previous step rapid (S190) and compare hour with receiving down, open (ON) energy-saving mode, return the step (S200) of timing step (S100) to threshold value (Qrl).
The numerical value of the standby data volume (Qtf) of posting a letter of above-mentioned Filtering Processing is to calculate by the digital low-pass filtering algorithm identical with above-mentioned formula 1, or utilize the rolling average computational methods to replace, receive the continued presence cycle numerical value treat machine data in addition and be by the digital operation identical and try to achieve with formula 2.
Below of the present invention portable data assistance WLAN (wireless local area network) power-saving method identical with the above explained with reference to accompanying drawing.
The similar portable data assistance 100 of utilization and notebook computer or PDA judges whether to want operation of wireless lan (S100) by control device 120; In the judgement 100 of above-mentioned control device 120 during operation of wireless lan, the time set 152 that is equipped with in the control economize on electricity setting device 150, initialization timer value (S110).
Control identical initialized time set 152, the certain hour (S120) that its counting is set with the above; Above-mentioned time set 152 is finished counting, and to the control signal that the counting of economize on electricity judgment means 154 output announcements is finished, the step identical with the above periodically continues repeatedly (S130) when operation of wireless lan 140.
Obtain the economize on electricity judgment means 154 that rapid (S130) control signal of previous step applies,, judge that present WLAN (wireless local area network) 140 operating patterns are energy-saving mode or general mode (S140) according to the control and the supervision of control device 120.
In above-mentioned judgement S140,, judge that the value (Qtf) of present filtering standby data volume is compared big still identical (S150) with posting a letter of setting is last to threshold value (Qtu) if WLAN (wireless local area network) 140 operates to energy-saving mode; The numerical value (Qtf) of the standby data volume of filtering and posting a letter of setting are gone up to threshold value (Qtu) and are compared when big or identical among the above-mentioned judgement S150, the data volume of posting a letter is many, so close the energy-saving mode of (OFF) WLAN (wireless local area network) 140, switch to general mode (S170), feedback (FEEDBACK) is to timing step S100.
Judge among the above-mentioned steps S150, go up to threshold value when the standby data volume numerical value (Qtf) of filtering and posting a letter of setting and to compare hour, data volume is compared little with existing threshold value because of posting a letter, be for judge to receive data volume what whether, and judge to receive in certain reception for the treatment of machine data continued presence cycle numerical value (Qrf) and setting and compare greatly or identical (S160) to threshold value (Qtu).
Judge among the S160 above, compare when big or identical to threshold value (Qru) in the cycle numerical value (Qrf) that the machine data continued presence is treated in reception and the certain reception set, the data that receive so WLAN (wireless local area network) 140 is closed energy-saving mode, switch to general mode (S170) because many; Among the above-mentioned judgement S160, compare hour to threshold value (Qru) in the cycle numerical value (Qrf) that the machine data continued presence is treated in reception and the certain reception set, receive data volume or size also less than benchmark numerical value, so keep the energy-saving mode of WLAN (wireless local area network) 140, return (FEEDBACK) timing step S100.
In addition, judge among the above-mentioned steps S140, when Wireless LAN device 140 does not move energy-saving mode, when promptly operating to general mode, compare greatly or identical (S180) to threshold value (Qtl) under the standby data volume numerical value (Qtf) of judging present filtering and the posting a letter who sets; Compare when big or identical to threshold value (Qtl) under the standby data volume numerical value (Qtf) of filtering among the above-mentioned judgement S180 and the posting a letter who sets, the data volume of posting a letter is many, move so keep the general mode of WLAN (wireless local area network) 140, return (FEEDBACK) timing step S100.
Judge among the rapid S180 of previous step, compare hour to threshold value (Qtl) under the standby data volume numerical value (Qtf) of filtering and the posting a letter who sets, be that the data volume of posting a letter is compared many with level threshold value (Qtf), so judge whether receive data volume lacks, judge to receive under the cycle numerical value (Qrf) for the treatment of the machine data continued presence and certain reception of the setting and compare greatly or identical (S190) to threshold value (Qrl).
Among the above-mentioned judgement S190, compare when big or identical to threshold value (Qrl) under the cycle numerical value (Qrf) that the machine data continued presence is treated in reception and the certain reception set, the data that are reception are more, therefore keep the general mode of WLAN (wireless local area network) 140, return timing step S100.Among the above-mentioned judgement S190, the cycle numerical value (Qrf) that the machine data continued presence is treated in reception than under certain reception of setting to threshold value (Qrl) hour, be that the data of posting a letter are few the time, it is also few to receive data, so stop the general mode running status of WLAN (wireless local area network) 140, the control energy-saving mode is returned timing step S100 for opening (ON) (S200).
Identical with the above, when sending data, post a letter standby data volume (Qtf) and necessarily the posting a letter of setting of filtering gone up to threshold value (Qtu) and compared when big, close energy-saving mode, be set at general mode, post a letter standby data volume (Qtf) and necessarily the posting a letter down of setting of above-mentioned filtering are compared hour to threshold value (Qtl), are set at and open (ON) energy-saving mode.
In above-mentioned, closing that posting a letter of (OFF) energy-saving mode go up under threshold value (Qtu) and the posting a letter who opens (ON) energy-saving mode to threshold value (Qtl) is not identical numerical value, but Qtu＞Qtl, so according to hysteresis characteristic, with dynamic control energy-saving mode.
In addition, with last identical, energy-saving mode when receiving the continuous standby of data opens in the reception of (ON) to threshold value (Qru) and to open under the reception of (ON) energy-saving mode to threshold value (Qrl) be not same numerical value, but Qru＞Qrl, so come dynamically (DYNAMIC) control energy-saving mode according to magnetic hysteresis (HYSTERESIS) characteristic.
Therefore, with the present invention of last identical formation, when the operation energy-saving mode improves power consumption efficiency, keep required at least transfer rate, and dynamically be converted to general mode when big receiving and send data volume, so the phenomenon of delivery time delay or loss of packets can not take place (DYNAMIC).
Claims (18)
1, a kind of WLAN (wireless local area network) battery saving arrangement of portable data assistance sends or receives by WLAN (wireless local area network) about the data that will handle input and output in the portable data assistance, it is characterized in that,
Find the cycle of the data continued presence of the data volume that sends in the standby and reception, according to the threshold value of hysteresis characteristic, by the standard of dynamic measurement, the dynamically Push And Release of setting wireless local area network (LAN) energy-saving mode, and operation.
2, a kind of WLAN (wireless local area network) battery saving arrangement of portable data assistance is characterized in that, comprises as the lower part:
The digital data information that is input to portable data assistance is handled the information processor of output by application corresponding;
Be connected with above-mentioned information processor, control and monitoring data input and output, and monitor the control device that each funtion part is moved;
Be connected with control device, dynamically judge the data message size of input and output, and set the power-saving running device of removing electricity-saving state;
Be connected with the power-saving running device, the data of input and output received the Wireless LAN device of transmission in the mode of WLAN (wireless local area network).
3, the WLAN (wireless local area network) battery saving arrangement of portable data assistance as claimed in claim 2 is characterized in that, above-mentioned power-saving running device comprises:
Supervision dynamically determines the economize on electricity setting device of the setting and the releasing of energy-saving mode with the time cycle of setting post a letter and the collect mail size of data;
Be connected with the economize on electricity setting device, monitor and find the monitoring arrangement of posting a letter of dateout size;
Be connected with the economize on electricity setting device, find and monitor the reception monitoring arrangement in input continuous standby cycle of data.
4, the WLAN (wireless local area network) battery saving arrangement of portable data assistance as claimed in claim 3 is characterized in that, above-mentioned economize on electricity setting device comprises:
By the control corresponding counting some cycles time, the time set of output control signal;
Apply control signal corresponding from time set, analyze post a letter data and the size that receives data, dynamically judge whether to enter energy-saving mode, the economize on electricity judgment means of output corresponding control signal;
According to the control of above-mentioned economize on electricity judgment means, confirm the state information of Wireless LAN device, control enters the driving control device of energy-saving mode.
5, the WLAN (wireless local area network) battery saving arrangement of portable data assistance as claimed in claim 4 is characterized in that, above-mentioned economize on electricity judgment means is,
Monitor and analyze size that sends data and the size that receives data, dynamically judge according to certain hysteresis characteristic threshold value to enter energy-saving mode.
6, the WLAN (wireless local area network) battery saving arrangement of portable data assistance as claimed in claim 3 is characterized in that, the above-mentioned monitoring arrangement of posting a letter comprises:
The post a letter quantitative measurement device of data in the standby of quantitative assay;
Low-pass filter is handled the data volume of quantitative measurement device mensuration and the filter of being measured.
7, the WLAN (wireless local area network) battery saving arrangement of portable data assistance as claimed in claim 6 is characterized in that, above-mentioned filter is,
Foundation and identical digital low-pass filtering rule computing down, the data volume of mensuration filtering;
Q
TF[K]=α Q
TF[K-1]+(1-α) Q
TM[K], α: the constant between 0 and 1.
8, the WLAN (wireless local area network) battery saving arrangement of the described portable data assistance of claim 3 is characterized in that, above-mentioned reception monitoring arrangement comprises:
Find the cycle that receives the data continued presence in the standby of analyzing, measure the reception load measurement device that receives load.
9, the WLAN (wireless local area network) battery saving arrangement of portable data assistance as claimed in claim 8 is characterized in that, above-mentioned reception monitoring arrangement is,
By with down identical computing, find the cycle that receives the data continued presence;
10, a kind of WLAN (wireless local area network) power-saving method of portable data assistance is characterized in that,
Deal with data in the portable data assistance, the WLAN (wireless local area network) that maybe will possess the data that are used to handle drives, during with wireless transmission or reception, with the respective threshold is that standard judges that the cycle with timer is unit data volume that sends and the consecutive periods that receives standby, with the Push And Release of dynamic control energy-saving mode.
11, a kind of portable data assistance WLAN (wireless local area network) power-saving method is characterized in that, comprises the steps:
First step: when moving the WLAN (wireless local area network) of portable data assistance, initialization timer, the timing step of counting certain value;
Second step:, judge the mode step whether energy-saving mode is moved if the timer counting is finished in the said process;
Third step: if be the energy-saving mode state that moves in mode step, the cycle of transmission data volume and the continuous standby of reception data when threshold value is above, is moved the normal step of normal mode on necessarily;
The 4th step: if do not move energy-saving mode in mode step, sending data volume and receiving the continuous cycle of waiting for of data is to fix when threshold value is following, connects the economize on electricity step of operation energy-saving mode.
12, the WLAN (wireless local area network) power-saving method of portable data assistance as claimed in claim 11 is characterized in that, above-mentioned timing step comprises:
For in portable data assistance, carrying out the input and output of data, judge whether operation of wireless lan;
In previous step is rapid during operation of wireless lan, the initialization timer;
The rapid initialized timer of previous step is counted with certain value.
13, the WLAN (wireless local area network) power-saving method of portable data assistance as claimed in claim 11 is characterized in that, above-mentioned mode step comprises:
Judge whether the timer of above-mentioned timing step counting finishes counting;
If the timer counting is finished in above-mentioned steps, judge whether to move energy-saving mode.
14, as the WLAN (wireless local area network) power-saving method of portable data assistance as described in the claim 11, it is characterized in that above-mentioned normal step comprises:
If what move in mode step is energy-saving mode, whether post a letter standby data volume and the decision of judging Filtering Processing moves posting a letter of power save function is gone up and to compare to threshold value, is greatly or identical;
To threshold value hour, judge to receive and treat the machine data consecutive periods and receive to go up to compare greatly or identical on the standby data volume of posting a letter in above-mentioned steps ratio is posted a letter to threshold value;
The standby data volume of posting a letter during previous step is rapid is compared big or same case with posting a letter to go up to threshold value, treats that with receiving the machine data consecutive periods compares under the big or identical situation to threshold value with receiving to go up, and closes operating energy-saving mode.
15, as the WLAN (wireless local area network) power-saving method of portable data assistance as described in the claim 11, it is characterized in that above-mentioned economize on electricity step comprises:
If do not move energy-saving mode in mode step, it still is greatly identical that the standby data volume of posting a letter of judging Filtering Processing with decision power save function whether posting a letter is compared to threshold value down;
The standby data volume of posting a letter during previous step is rapid is compared hour to threshold value with posting a letter down, judge receive treat machine data consecutive periods whether than big or identical under receiving to threshold value;
Receive the consecutive periods for the treatment of machine data during previous step is rapid and compare hour with receiving down to threshold value, open energy-saving mode is returned above-mentioned timing step.
16, as the WLAN (wireless local area network) power-saving method of portable data assistance as described in the claim 15, it is characterized in that,
The numerical value of the standby data volume of posting a letter of above-mentioned Filtering Processing by with down identical digital low-pass filtering rule computing; Q
RF[K]=α Q
TF[K-1]+(1-α) Q
TM[K], α: the constant between 0 and 1.
17, as the WLAN (wireless local area network) power-saving method of portable data assistance as described in the claim 16, it is characterized in that,
Above-mentioned digital low-pass filtering rule can substitute with the rolling average account form.
18, as the WLAN (wireless local area network) power-saving method of portable data assistance as described in the claim 15, it is characterized in that,
Above-mentioned reception treats that the continued presence cycle numerical value of machine data is by trying to achieve with identical down digital operation;
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369149A (en) * | 2012-03-30 | 2013-10-23 | 深圳富泰宏精密工业有限公司 | Quick dormancy mechanism triggering method and quick dormancy mechanism triggering system |
| WO2014029292A1 (en) * | 2012-08-22 | 2014-02-27 | 中兴通讯股份有限公司 | Method and system for controlling signaling connection between network and terminal |
| CN107291213A (en) * | 2017-07-28 | 2017-10-24 | 广东欧珀移动通信有限公司 | Mode selecting method, device, terminal and computer-readable recording medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3722055B2 (en) * | 2001-11-30 | 2005-11-30 | 日本電気株式会社 | Mobile terminal device |
| KR100735242B1 (en) * | 2003-12-16 | 2007-07-03 | 삼성전자주식회사 | Method for providing/notifying interworking information of mobile telecommunication network and wireless local area network and therefor system |
| CN1645955A (en) * | 2005-01-17 | 2005-07-27 | 上海贝豪通讯电子有限公司 | Power supply managing and electricity saving method for TD-SCDMA mobile phone |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369149A (en) * | 2012-03-30 | 2013-10-23 | 深圳富泰宏精密工业有限公司 | Quick dormancy mechanism triggering method and quick dormancy mechanism triggering system |
| WO2014029292A1 (en) * | 2012-08-22 | 2014-02-27 | 中兴通讯股份有限公司 | Method and system for controlling signaling connection between network and terminal |
| US9930719B2 (en) | 2012-08-22 | 2018-03-27 | Zte Corporation | Method and system for controlling signaling connection between network and terminal |
| CN107291213A (en) * | 2017-07-28 | 2017-10-24 | 广东欧珀移动通信有限公司 | Mode selecting method, device, terminal and computer-readable recording medium |
| CN107291213B (en) * | 2017-07-28 | 2020-06-26 | Oppo广东移动通信有限公司 | Mode selection method, device, terminal and computer readable storage medium |
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