CN102547933B - A kind of power-economizing method and terminal - Google Patents
A kind of power-economizing method and terminal Download PDFInfo
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- CN102547933B CN102547933B CN201010623564.2A CN201010623564A CN102547933B CN 102547933 B CN102547933 B CN 102547933B CN 201010623564 A CN201010623564 A CN 201010623564A CN 102547933 B CN102547933 B CN 102547933B
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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
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Abstract
The invention discloses a kind of power-economizing method and terminal, the method comprises: terminal comprises Base Band Unit, peripheral circuit and flash storage, described method comprises: described Base Band Unit receives the external level signal that described peripheral circuit sends, preserve file according to described external level signal designation flash storage, and enter resting state.This terminal comprises: peripheral circuit, for sending external level signal to Base Band Unit; Base Band Unit, for receiving the external level signal that described peripheral circuit sends, preserving file according to described external level signal designation flash storage, and entering resting state; Flash storage, preserves file for the instruction according to described Base Band Unit.The application of the invention, can reduce the power consumption of terminal.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of power-economizing method and terminal.
Background technology
A large amount of Machine To Machine, machine is there is to people, machine to the telecommunication between platform in Internet of things system, this telecommunication needs to be completed by cellular radio Communication system, to realize ubiquitous, information gathering anywhere or anytime, information Perception, information transmission and converging information.By cellular radio Communication system, user can all kinds of heat transfer agent of remote collection, such as, in the hydrographic information of rivers, the position of logistics middle-long distance automobile and state, wired home the electricity consumption situation and operating state etc. of each household electrical appliance.
Owing to relating to cellular radio Communication system, Internet of things system adopts the internet-of-things terminal being similar to regular handset, the workflow of internet-of-things terminal is identical with regular handset, as shown in Figure 1, comprise: module power-up initializing, web search, position and routing update, PDP (PacketDataProtocol, packet data protocol) activation, transfer of data, PDP deexcitation, standby, network detach, shutdown process and shutdown are standby.Wherein, in module power up initialization process, internet-of-things terminal is by DBB (DigitalBaseband, digital baseband) CPU (CentralProcessingUnit in unit, central processing unit) from flash storage to RAM (RandomAccessMemory, random asccess memory) move code, and program corresponding according to the code moved in RAM carries out all kinds of initial work, comprises operating system initialization, platform initialization, protocol stack initialization and physical layer initialization.
But there is larger difference between the transfer of data flow process of internet-of-things terminal and the transfer of data flow process of regular handset, internet-of-things terminal needs periodically to transmit data usually, or the time interval be waken up is longer.Such as, in intelligent automobile application, internet-of-things terminal every other day or can be transferred to the address of specifying by CAN (ControllerAreaNetwork, controller local area network) bus by disposable for the in-vehicle information collected collection in one month; In intelligent grid, intelligent electric meter at set intervals (half an hour or one hour not etc.) waken up by the message that remote platform sends, the electric power data collected is sent to information platform by wireless channel.Therefore, internet-of-things terminal treat that capabilities is not often by time representation, but represent with work times, such as, the battery of one piece of 2500mAH can carry out 5000 data transfer for internet-of-things terminal.
In addition, compared with regular handset, internet-of-things terminal is long-term unattended operation, automatic operation often, and needs by powered battery, cannot charge continually as regular handset or change battery etc.Therefore, how reducing the operating power consumption of internet-of-things terminal, is the key technology of Internet of Things remote data transmission, is also the key point of ectocrine networking technology application.
Realizing in process of the present invention, inventor finds prior art, and at least there are the following problems:
The free time of internet-of-things terminal between two data transfer comprises the processes such as PDP deexcitation, standby and network detach, total length may reach dozens of minutes, wherein, operating current in PDP deexcitation and network detach process is at about 100mA, time was at about 2 minutes, and internet-of-things terminal is very short for the time of carrying out transfer of data and network interaction, the idle power consumption of internet-of-things terminal between two data transfer is far longer than the power consumption of transfer of data, therefore, internet-of-things terminal consumes a large amount of power consumptions in the work had nothing to do with transfer of data.
Summary of the invention
The object of the present invention is to provide a kind of power-economizing method and terminal, to reduce the power consumption of terminal, for this reason, the present invention adopts following technical scheme:
A kind of power-economizing method, terminal comprises Base Band Unit, peripheral circuit and flash storage, and described method comprises:
Described Base Band Unit receives the external level signal that described peripheral circuit sends, and preserves file, and enter resting state according to described external level signal designation flash storage.
A kind of terminal, comprising:
Peripheral circuit, for sending external level signal to Base Band Unit;
Base Band Unit, for receiving the external level signal that described peripheral circuit sends, preserving file according to described external level signal designation flash storage, and entering resting state;
Flash storage, preserves file for the instruction according to described Base Band Unit.
Embodiments of the invention comprise following advantage, Base Band Unit receives the external level signal from peripheral circuit, file to be saved in flash storage and to enter resting state, the electric time under shortening system, time loss when avoiding the energy ezpenditure in standby and shutdown process and shut down by AT command set, enhances the stability of system.Certainly, the arbitrary product implementing embodiments of the invention might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
Fig. 1 is wireless communications method flow chart of the prior art;
Fig. 2 is the power-economizing method flow chart in the embodiment of the present invention;
Fig. 3 is the terminal structure schematic diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, carry out clear, complete description to the technical scheme in the present invention, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
In the technical scheme that the embodiment of the present invention provides, the memory space of the flash storage in terminal can be expanded, by initialized system file with in the burned flash storage of the mode of image file.In addition, terminal can also be previously stored with frequency list, can comprise pre-configured frequency in this frequency list.
As shown in Figure 2, be the power-economizing method flow chart in the embodiment of the present invention, comprise the following steps:
Step 201, Base Band Unit powers on and runs initialized system file.
Particularly, after the Base Band Unit in terminal powers on, no longer carry out code and move and initialization operation, but directly operation is stored in the initialized system file in flash storage in the mode of image file.
Step 202, Base Band Unit connects the frequency in frequency list, judges whether and the frequency successful connection in frequency list, if with the frequency successful connection in frequency list, then perform step 203; If with the frequency connection failure in frequency list, then perform step 204.
Wherein, multiple frequencies that terminal successfully connected recently in frequency list, can be comprised, and time point when corresponding record has described terminal to be successfully connected to corresponding frequency; Base Band Unit can according to the time point of frequency list records, connect according to the frequency that the selective sequential near to far away is corresponding, if connection failure, connect according to the next frequency of this selective sequential, until successful connection or with the equal connection failure of all frequencies in frequency list.Such as, can comprise frequency 1, frequency 2 and frequency 3 in frequency list, the corresponding successful connection moment is respectively before 10 minutes, before 20 minutes and before 30 minutes, and terminal can first connect frequency 1; If connect frequency 1 failure, then connect frequency 2; If connect frequency 2 failure, then connect frequency 3.
Step 203, Base Band Unit carries out position and routing update according to the frequency be connected to.
It should be noted that, after executing this step, can continue to perform step 205.
Step 204, Base Band Unit carries out web search, carries out position and routing update according to the frequency searched.
Step 205, Base Band Unit carries out PDP activation and transfer of data.
Step 206, Base Band Unit receives the external level signal from peripheral circuit, and instruction flash storage preserves file, and enters resting state.
Particularly, after terminal completes transfer of data, no longer carry out PDP deexcitation, network detach and the operation such as standby; But receive the direct shutdown level from peripheral circuit by the CPU in Base Band Unit, according to this level indicating flash storage rapid saving file that directly shuts down, and lower electric penetration depth resting state, cut off PMU (PowerManagementUnit, Power Management Unit) power supply, only retain the connection of PMU and outside RTC (RealTimeClock, real-time clock).Because terminal is connected with outside RTC by PMU, can timing be carried out by outside RTC and control the deep sleep state of Base Band Unit.If need to carry out transfer of data next time, PMU can receive the clock signal from outside RTC, re-powers Base Band Unit according to this clock signal.
It should be noted that, the step 201 in the embodiment of the present invention is preferred steps, by running initialized system file, can save code and moving the time with system initialization, reduces the power consumption of terminal; At other execution modes of the present invention, also can carry out code after starting up of terminal and move and system initialization, goal of the invention of the present invention can be realized equally.
In addition, the step 202 in the embodiment of the present invention and step 203 are also preferred steps, by connecting the frequency in frequency list, can save the time of web search, reduce the power consumption of terminal; At other execution modes of the present invention, terminal also directly can carry out web search, can realize goal of the invention of the present invention equally.
Embodiments of the invention comprise following advantage, run initialized system file upon power-up of the system, simplify initialization procedure irrelevant with transfer of data in radio communication; Base Band Unit receives the external level signal from peripheral circuit after transmission data are complete, file to be saved in flash storage and to enter resting state, the electric time under shortening system, time loss when avoiding the energy ezpenditure in standby and shutdown process and shut down by AT command set, enhances the stability of system; Use the deep sleep state of outside RTC control terminal, quiescent current 160 μ A can be reduced to 4 μ A, reduce the power consumption of terminal under deep sleep state.Certainly, the arbitrary product implementing embodiments of the invention might not need to reach above-described all advantages simultaneously.
According to the power-economizing method provided in above-mentioned execution mode, the embodiment of the present invention additionally provides the device applying above-mentioned power-economizing method.
As shown in Figure 3, be the terminal structure schematic diagram in the embodiment of the present invention, comprise:
Peripheral circuit 310, for sending external level signal to Base Band Unit.
Base Band Unit 320, for receiving the external level signal that peripheral circuit 310 sends, preserving file according to this external level signal designation flash storage 330, and entering resting state.
Flash storage 330, preserves file for the instruction according to Base Band Unit 320.
Above-mentioned terminal, can further include:
Power Management Unit 340, for being connected with outside RTC, receiving the clock signal from outside RTC, re-powering according to this clock signal to Base Band Unit 320.
Particularly, after transmission data, Base Band Unit 320 no longer carries out PDP deexcitation, network detach and the operation such as standby, but the direct shutdown level received from peripheral circuit 310, according to rapid saving file in this level indicating flash storage of directly shutting down, and lower electric penetration depth resting state, cut off the power supply to Power Management Unit 340, only retain the connection of Power Management Unit 340 and outside RTC.Because Power Management Unit 340 is connected with outside RTC, the deep sleep state of timing and control terminal can be carried out by outside RTC.If need to carry out transfer of data next time, Power Management Unit 340 can receive the clock signal from outside RTC, re-powers Base Band Unit 320 according to this clock signal.
Above-mentioned flash storage 330, also for storing initialized system file; Correspondingly, above-mentioned Base Band Unit 320, also for running the system file that flash storage 330 stores after the power-up, and carries out web search according to this system file.
Above-mentioned terminal, can further include:
Memory cell 350, for storing frequency list, this frequency list comprises the frequency preset and arrange, and can be the frequency that terminal successfully connected; Correspondingly, above-mentioned Base Band Unit 320, also for connect memory cell 350 store frequency list in frequency, if with the frequency successful connection in this frequency list, then carry out position and routing update according to the frequency in this frequency list; If with the frequency connection failure in this frequency list, then carry out web search, and carry out position and routing update according to the frequency searched.
Particularly, during time point when above-mentioned frequency list comprises multiple frequency and corresponding record has described terminal to be successfully connected to corresponding frequency, Base Band Unit 320 can according to the time point of frequency list records, connect according to the frequency that the selective sequential near to far away is corresponding, if connection failure, select next frequency to connect according to said sequence, until successful connection or with the equal connection failure of all frequencies in frequency list.
Embodiments of the invention comprise following advantage, run initialized system file upon power-up of the system, simplify initialization procedure irrelevant with transfer of data in radio communication; Base Band Unit receives the external level signal from peripheral circuit after transmission data are complete, file to be saved in flash storage and to enter resting state, the electric time under shortening system, time loss when avoiding the energy ezpenditure in standby and shutdown process and shut down by AT command set, enhances the stability of system; Use the deep sleep state of outside RTC control terminal, quiescent current 160 μ A can be reduced to 4 μ A, reduce the power consumption of terminal under deep sleep state.Certainly, the arbitrary product implementing embodiments of the invention might not need to reach above-described all advantages simultaneously.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a station terminal equipment (can be mobile phone, personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (8)
1. a power-economizing method, is characterized in that, terminal comprises Base Band Unit, peripheral circuit and flash storage, and described method comprises:
After described terminal completes transfer of data, no longer carry out PDP deexcitation, network detach and standby operation, described Base Band Unit receives the external level signal that described peripheral circuit sends, and preserve file, and lower electricity enters resting state according to described external level signal designation flash storage;
Wherein, described external level signal is the level that directly shuts down;
Wherein, described terminal is the internet-of-things terminal being applied to Internet of things system, described terminal also comprises Power Management Unit, and the power supply of described Power Management Unit is cut-off when described lower electricity enters resting state, retains described Power Management Unit and is connected with outside real-time clock RTC;
Described Base Band Unit also comprises after entering resting state:
Described Power Management Unit receives the clock signal from described outside RTC, re-powers described Base Band Unit according to described clock signal;
Be previously stored with frequency list in described terminal, described method also comprises:
Described Base Band Unit connects the frequency in described frequency list;
If with the frequency successful connection in described frequency list, described Base Band Unit carries out position and routing update according to the frequency in described frequency list; If with the frequency connection failure in described frequency list, described Base Band Unit carries out web search, and carries out position and routing update according to the frequency searched.
2. the method for claim 1, is characterized in that, be previously stored with initialized system file in described flash storage, described method also comprises:
Described Base Band Unit runs described system file after the power-up, and carries out web search according to described system file.
3. the method for claim 1, is characterized in that, described frequency list comprises the frequency that described terminal successfully connected.
4. method as claimed in claim 3, it is characterized in that, described Base Band Unit connects the frequency in described frequency list, comprising:
Described frequency list comprise multiple frequency and corresponding record has described terminal to be successfully connected to corresponding frequency time time point, described Base Band Unit is according to described time point, connect according to the frequency that the selective sequential near to far away is corresponding, if connection failure, connect according to the next frequency of described selective sequential, until successful connection or with the equal connection failure of all frequencies in described frequency list.
5. a terminal, is characterized in that, described terminal is the internet-of-things terminal being applied to Internet of things system, comprising:
Peripheral circuit, for sending external level signal to Base Band Unit;
Base Band Unit, after described terminal completes transfer of data, no longer carry out PDP deexcitation, network detach and standby operation, for receiving the external level signal that described peripheral circuit sends, preserve file according to described external level signal designation flash storage, and lower electricity enters resting state;
Flash storage, preserves file for the instruction according to described Base Band Unit;
Wherein, described external level signal is the level that directly shuts down;
Wherein, described terminal also comprises:
Power Management Unit, for being connected with outside real-time clock RTC, receiving the clock signal from described outside RTC, re-powering according to described clock signal to described Base Band Unit;
Memory cell, for storing frequency list;
Described Base Band Unit, also for connecting the frequency in described frequency list, if with the frequency successful connection in described frequency list, carry out position and routing update according to the frequency in described frequency list; If with the frequency connection failure in described frequency list, carry out web search, and carry out position and routing update according to the frequency searched.
6. terminal as claimed in claim 5, is characterized in that,
Described flash storage, also for storing initialized system file;
Described Base Band Unit, also for running described system file after the power-up, and carries out web search according to described system file.
7. terminal as claimed in claim 5, it is characterized in that, described frequency list comprises the frequency that described terminal successfully connected.
8. terminal as claimed in claim 7, is characterized in that,
Described Base Band Unit, specifically for comprise multiple frequency when described frequency list and corresponding record has described terminal to be successfully connected to corresponding frequency time time point time, according to described time point, connect according to the frequency that the selective sequential near to far away is corresponding, if connection failure, connect according to the next frequency of described selective sequential, until successful connection or with the equal connection failure of all frequencies in described frequency list.
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| CN201010623564.2A CN102547933B (en) | 2010-12-30 | 2010-12-30 | A kind of power-economizing method and terminal |
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| CN201010623564.2A CN102547933B (en) | 2010-12-30 | 2010-12-30 | A kind of power-economizing method and terminal |
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| CN102547933A CN102547933A (en) | 2012-07-04 |
| CN102547933B true CN102547933B (en) | 2016-01-20 |
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| CN107396433B (en) * | 2017-07-31 | 2019-10-18 | 中南大学 | WLAN energy-saving method and STA based on NDN framework |
| CN110730084B (en) * | 2018-07-17 | 2023-05-02 | 新智数字科技有限公司 | Control method of communication module of meter, microcontroller and meter |
| CN112752332B (en) * | 2021-03-09 | 2024-03-08 | 华畅科技(大连)股份有限公司 | Sleep control method of Internet of things system based on NB-IoT communication protocol stack |
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| CN101897128A (en) * | 2007-10-12 | 2010-11-24 | 信息控制公司 | Radiofrequency tracking and communication device and method for operating the same |
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| US5870673A (en) * | 1996-08-30 | 1999-02-09 | Telefonaktiebolaget Lm Ericsson | Methods and systems for concurrent receipt of incoming calls from a wide area cellular network and a private radio communications network |
| CN2657319Y (en) * | 2003-11-27 | 2004-11-17 | 上海维华信息技术有限公司 | Hand-held mobile communication terminal equipment |
| CN1920749B (en) * | 2005-08-23 | 2010-05-05 | 鸿富锦精密工业（深圳）有限公司 | Electricity-saving electronic device and electricity-saving method thereof |
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Patent Citations (2)
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| CN101897128A (en) * | 2007-10-12 | 2010-11-24 | 信息控制公司 | Radiofrequency tracking and communication device and method for operating the same |
| CN101778457A (en) * | 2009-12-11 | 2010-07-14 | 中兴通讯股份有限公司 | Mobile terminal and sleep method of MBBMS module therein |
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