CN103220759B - A kind of terminal sleeping method and terminal - Google Patents
A kind of terminal sleeping method and terminal Download PDFInfo
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- CN103220759B CN103220759B CN201310109017.6A CN201310109017A CN103220759B CN 103220759 B CN103220759 B CN 103220759B CN 201310109017 A CN201310109017 A CN 201310109017A CN 103220759 B CN103220759 B CN 103220759B
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- 238000000034 method Methods 0.000 title claims abstract description 68
- 230000005059 dormancy Effects 0.000 claims abstract description 162
- 230000019371 dormancy process Effects 0.000 claims abstract description 21
- 230000000284 resting effect Effects 0.000 claims description 32
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000007726 management method Methods 0.000 description 40
- 238000004891 communication Methods 0.000 description 9
- 238000009825 accumulation Methods 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- 230000002688 persistence Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000737 periodic effect Effects 0.000 description 3
- 230000007958 sleep Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000010960 commercial process Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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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
The embodiment of the invention discloses a kind of terminal sleeping method and terminal, search, at off-grid state continuity from below, the problem that power consumption of terminal that net causes is too high solving terminal.Described terminal sleeping method includes: terminal is under off-grid state and carries out cell searching；When searching for unsuccessfully, each parts carrying out according to dormancy time dormancy process successively, described dormancy time is the interval time of double cell search.The embodiment of the present invention is by adopting technique scheme, it is possible to when making terminal be in off-grid state, initiates periodically to search network process, namely proceed after certain interval of time to search net, the electricity of terminal can being saved, thus reducing the energy consumption of terminal, extending the use time of terminal.
Description
Technical field
The present embodiments relate to mobile communication technology field, particularly relate to a kind of terminal sleeping method and terminal.
Background technology
For Long Term Evolution (LongTermEvolution；LTE) system, the stand-by time of terminal always is the focus that user and industry are paid close attention to.The energy consumption problem of terminal is the key factor of energy saving of system, is also the important indicator evaluating Consumer's Experience, also directly influences the commercial process of LTE system simultaneously.
LTE system and the third generation (3rd-Generation；3G) mobile communication system is compared, terminal needs to support the multimedia application such as the data transmission of more high speed and visual telephone, therefore, add physical layer Digital Signal Processing and the higher-layer protocols software processes of complexity in the terminal, improve saving power for terminal intractability, also the performance of the electricity-saving mechanism of terminal is proposed requirements at the higher level.Particularly LTE technology in recent years is ripe gradually, and the service rate that LTE terminal is supported is more and more higher, and the key technology of application becomes increasingly complex so that the high power problems of terminal is further serious.
The power problems of LTE terminal by wireless environment, network configuration, protocol stack control and terminal software and hardware scheme, power management, chip itself low power dissipation design scheme, and the impact of the factors such as the operational characteristic of terminal, but wherein play a decisive role or the low power dissipation design scheme of chip of terminal own.
In order to reduce the power consumption of terminal, and the transmission demand of multiple business and mass data can be supported, LTE system introduces discontinuous reception (DiscontinuousReception；DRX) electricity-saving mechanism.The important method that DRX mechanism optimizes energy efficiency as wireless communication system link layer is adopted by most of wireless communication systems, its basic thought allows for terminal and closes wireless transmit/receive units in the moment not having data to transmit, enter park mode, to reduce the additional energy expense of terminal.
In LTE system, connect according to whether there is wireless heterogeneous networks, can by subscriber equipment (UserEquipment；UE) state in which is divided into off-grid state, idle condition (IDLE) and connection status (CONNECT).Current third generation partner program (The3rdGenerationPartnershipProject；DRX technology under idle condition (IDLE) and connection status (CONNECT) there have been clear and definite statement and requirement by LTE related protocol 3GPP).UE and terminal in the present patent application file refer to same entity.
When idle condition, the UE system information block (SystemInformationBlock2 according to the second type；Sib2) paging cycle (pagingcycle) carried in, base station (NodeB；And UE identity (Identification NB)；The parameter such as ID), it is achieved periodically monitor pager wireless net network temporary mark (PagingRadioNetworkTemporaryID；P-RNTI) Physical Downlink Control Channel (physicaldownlinkcontrolchannel of scrambling；PDCCH).
When connection status, wireless heterogeneous networks (RadioResourceControl；RRC) end issues the configuration signaling the various DRX parameter of UE and intervalometer, and UE carrys out execution cycle property by the cooperation of various intervalometers and monitors PDCCH.
But, under off-grid state, namely when LTE signal is more weak or covers without LTE signal time, terminal can at Non-Access Stratum (NonAccessStratum；NAS) carry out under control successional searching net.In searching network process, most of module of terminal will participate in work, and power consumption now is of a relatively high.If terminal is constantly in the region covered without LTE signal, seriality will be repeatedly performed and search net, cause that power consumption of terminal is too high.
Summary of the invention
The embodiment of the invention discloses a kind of terminal sleeping method and terminal, search, at off-grid state continuity from below, the problem that power consumption of terminal that net causes is too high solving terminal.
In order to solve the problems referred to above, the embodiment of the invention discloses a kind of terminal sleeping method, including: terminal is under off-grid state and carries out cell searching；When searching for unsuccessfully, each parts carrying out according to dormancy time dormancy process successively, described dormancy time is the interval time of double cell search.
Preferably, when searching for unsuccessfully, after successively each parts being carried out dormancy process according to dormancy time, described method also includes: when dormancy terminates, if described terminal is still in off-grid state, described terminal carries out cell search again.
Preferably, described dormancy time is T_Sleep=T_Init+ (n-1) * T_Step；Wherein, T_Sleep is dormancy time, and T_Init is initial dormancy time, and n is the number of times carrying out dormancy process, n >=1, and T_Step is the step-length that dormancy time is incremented by.
Preferably, described successively each parts are carried out dormancy process according to dormancy time, including: the digital signal processor of described terminal cuts out radio frequency and the field programmable gate array of described terminal so that described digital signal processor enters resting state；After the Advanced Reduced Instruction Set processor of described terminal detects that described digital signal processor enters resting state, to self carrying out lower electric treatment, enter resting state.
Preferably, while the digital signal processor of described terminal cuts out radio frequency and the field programmable gate array of described terminal, described method also includes: described digital signal processor configures the power management module of described terminal according to described dormancy time.
Preferably, the digital signal processor of described terminal configures according to described dormancy time after the power management module of described terminal, described method also includes: described power management module proceeds by dormancy timing by low frequency reference clock counting, until described dormancy timing terminates.
Preferably, described power management module carries out described dormancy timing and terminates, including: described power management module dormancy timing completes, or described power management module dormancy timer interrupt.
The embodiment of the invention also discloses a kind of terminal, including: cell search module, for carrying out cell searching under off-grid state；Dormancy processing module, for when searching for unsuccessfully, each parts carrying out according to dormancy time dormancy process successively, described dormancy time is the interval time of double cell search.
Preferably, described cell search module, it is additionally operable to after dormancy terminates, if described terminal is still in off-grid state, again carries out cell search.
Preferably, described dormancy time is T_Sleep=T_Init+ (n-1) * T_Step；Wherein, T_Sleep is dormancy time, and T_Init is initial dormancy time, and n is the number of times carrying out dormancy process, n >=1, and T_Step is the step-length that dormancy time is incremented by.
Preferably, described dormancy processing module, including: digital signal processor, for closing radio frequency and the field programmable gate array of described terminal so that described digital signal processor enters resting state；Advanced Reduced Instruction Set processor, after being used for detecting that described digital signal processor enters resting state, to self carrying out lower electric treatment, enters resting state.
Preferably, described terminal also includes power management module；Described digital signal processor, is additionally operable to, while the radio frequency cutting out described terminal and field programmable gate array, configure described power management module according to described dormancy time.
Preferably, described power management module, after configuring described power management module at described digital signal processor according to described dormancy time, proceed by dormancy timing by low frequency reference clock counting, until described dormancy timing terminates.
Preferably, described power management module carries out described dormancy timing and terminates, including: described power management module dormancy timing completes, or described power management module dormancy timer interrupt.
The embodiment of the present invention is by adopting technique scheme, when terminal can be made to be in off-grid state, initiate periodically to search network process, namely proceed after certain interval of time to search net, owing to the network process of searching of persistence needs the multiple parts continuous firings in terminal, and periodically search procedure can be searched in terminal and netted after unsuccessfully, by each parts dormancy a period of time, again carry out searching net after each parts dormancy terminates, such as: terminal is in off-grid state all the time within the time of ten minutes, and in these ten minutes, terminal continues to search net ten minutes；If terminal carries out periodically searching net in these ten minutes, the net time of searching of terminal accumulation is six minutes, and when namely each parts work with equal-wattage in the terminal, the working time is more few, and the electricity of consumption is more few.Owing to decreasing the working time of each parts, it is possible to save the electricity of terminal, thus reducing the energy consumption of terminal, extend the use time of terminal.
Further, search in terminal and net after unsuccessfully, the module not needing work in terminal can be entered resting state, simultaneously with the strategy of incremental dormancy time step-length, make terminal when the region not having LTE signal to cover, long-time as far as possible can reduce the power consumption of terminal in a dormant state, extend the use time of terminal.
Accompanying drawing explanation
Fig. 1 is terminal architecture schematic diagram in the embodiment of the present invention；
Fig. 2 is a kind of terminal sleeping method flow chart in the embodiment of the present invention；
Fig. 3 is a kind of terminal sleeping method flow chart in the embodiment of the present invention；
Fig. 4 is a kind of terminal sleeping method flow chart in the embodiment of the present invention；
Fig. 5 is a kind of terminal structure figure in the embodiment of the present invention；
Fig. 6 is a kind of terminal structure figure in the embodiment of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
In the following two cases, UE can carry out cell searching under off-grid state:
(1), after UE start, the signal intensity instruction (ReceivedSignalStrengthIndication of the reception of data computation bandwidth can be received in the several center frequency point would be likely to occur LTE community；RSSI), so that RSSI judges whether would be likely to occur community around center frequency point.If UE can preserve frequency when shutting down last time and operator's informaiton, then may preferentially resident community be attempted resident in last time after UE start；Without prior information, namely do not preserve frequency when shutting down last time and operator's informaiton, then UE is likely to carry out full frequency band search, when the frequency that discovery signal is stronger, attempts resident to this frequency.If it is resident never to search suitable community, cell searching will be repeatedly performed.
(2) in the UE process carrying out community selection or cell reselection, UE is possibly into the region losing covering, now UE cannot reside on a suitable cell or acceptable community, according to the requirement of agreement, UE should continue search for until find one can be resident community.
Based on the problems referred to above, the present invention considers when UE can not find any community that can be resident, and UE should intermittently carry out cell searching, namely searches for once at interval of a period of time, but not continuously searches for.UE parts as much as possible are allowed to enter Low-power-consumptiodormancy dormancy state between twice search.And following following principle: the time losing covering is more long, it is believed that it is more little that next time searches for successful probability, the interval of distance search next time should be bigger.
It should be noted that the terminal in the embodiment of the present invention can include UE or have other equipment of identical identity function.
The disclosed a kind of terminal sleeping method of the embodiment of the present invention and terminal, the terminal architecture related to is as shown in Figure 1.Wherein, the baseband chip part of terminal contains Advanced Reduced Instruction Set processor (AdvancedReducedInstructionSetComputingMachines；ARM), digital signal processor (DigitalSignalProcessor；DSP), field programmable gate array (Field-ProgrammableGateArray；And power management module (PhasorMeasurementUnit FPGA)；PMU).Wherein arm processor realizes man-machine interface (ManMachineInterface；MMI) and the function such as LTE protocol stack process, DSP is responsible for control and the radio frequency (RadioFrequency of physical layer correlated process；RF) control of unit, FPGA is responsible for the encoding and decoding of baseband chip data, and PMU is responsible for the power management of whole baseband chip.And, the clock of system has two, and one is high frequency clock (TCXO), and another is low frequency reference clock (RTC).
Disclosed by the invention a kind of terminal sleeping method and terminal are discussed in detail below by enumerating several specific embodiment.
Embodiment one
The embodiment of the present invention disclosed a kind of terminal sleeping method is discussed in detail.
With reference to Fig. 2, it is shown that a kind of terminal sleeping method flow chart in the embodiment of the present invention.
Step 100, terminal is under off-grid state and carries out cell searching.
Terminal is in the communication network signal situation that is more weak or that cover without communication network signal that off-grid state can use for terminal.Cell searching can be that the communication cell searching communication network signal foundation is for terminal.Wherein, communication cell can refer to the region that communication network signal covers.
Each parts, when searching for unsuccessfully, are carried out dormancy process according to dormancy time by step 102 successively.
Dormancy time can be the interval time of double cell search, it is possible to configures when terminal initializes and obtains.
In the present embodiment, each parts of terminal can include ARM, DSP, FPGA and RF unit etc..
The present embodiment is by adopting technique scheme, it is possible to when making terminal be in off-grid state, initiates periodic cell search process, namely proceeds cell searching after certain interval of time.The multiple parts continuous firings in terminal are needed due to the cell search process of persistence, and periodically cell search process can after terminal searching failure, by each parts dormancy a period of time, cell searching is again carried out after each parts dormancy terminates, such as: terminal is in off-grid state all the time within the time of ten minutes, and in these ten minutes, terminal continues to search for ten minutes；If terminal carries out cyclic cell search in these ten minutes, the search time of terminal accumulation is six minutes, and when namely each parts work with equal-wattage in the terminal, the working time is more few, and the electricity of consumption is more few.Again carrying out cell searching after certain interval of time and can save the electricity of terminal, thus reducing the energy consumption of terminal, extending the use time of terminal.
Embodiment two
The embodiment of the present invention disclosed a kind of terminal sleeping method is discussed in detail.
With reference to Fig. 3, it is shown that a kind of terminal sleeping method flow chart in the embodiment of the present invention.
Each parts when terminal is in off-grid state, and when carrying out cell search failure, are carried out dormancy process according to dormancy time by step 200 successively.
Dormancy time in the present embodiment can be the interval time of double cell search, it is possible to configures when terminal initializes and obtains.
Preferably, dormancy time can be T_Sleep=T_Init+ (n-1) * T_Step.Wherein, T_Sleep is dormancy time, and T_Init is initial dormancy time, and n is the number of times carrying out dormancy process, n >=1, and T_Step is the step-length that dormancy time is incremented by.
Such as, initial dormancy time is 1 minute, namely the time of first time dormancy is 1 minute, the step-length that dormancy time is incremented by is 2 minutes, then the time of second time dormancy is 1+(2-1) x2=3 minute, the time of third time dormancy is 1+(3-1) x2=5 minute, by that analogy, it is possible to calculate the dormancy time of each dormancy after obtaining.
Each parts of terminal may include that ARM, DSP, FPGA, PMU and RF unit etc..
Preferably, the step 200 in the present embodiment may include steps of:
Sub-step 2001, radio frequency that the digital signal processor of terminal is closed a terminal and field programmable gate array so that digital signal processor enters resting state.
Before sub-step 2001, the DSP in terminal receives and indicates from the ARM dormancy sent.
DSP closes RF unit and FPGA after receiving dormancy instruction, and then, DSP self enters resting state.
Sub-step 2002, after the ARM of terminal detects that digital signal processor enters resting state, to self carrying out lower electric treatment, enters resting state.
ARM and DSP in terminal respectively enters resting state, there is precedence relationship.DSP is introduced into resting state, and ARM enters back into resting state.And, while RF unit that the DSP of terminal closes a terminal and FPGA, the DSP power management module according to dormancy time configurating terminal.Wherein, the DSP power management module according to dormancy time configurating terminal, it is possible to carry out dormancy timing for power management module according to dormancy time and prepare.
Step 202, after the digital signal processor of the terminal power management module according to dormancy time configurating terminal, power management module proceeds by dormancy timing by low frequency reference clock counting.
Preferably, after the DSP of the terminal power management module according to dormancy time configurating terminal, power management module proceeds by dormancy timing by low frequency reference clock counting, until dormancy timing terminates.
Wherein, power management module carries out dormancy timing and terminates, it is possible to include two kinds of situations:
(1) power management module dormancy timing completes.
Such as, dormancy time is 3 minutes, when enough 3 minutes of the continuous time of power management module dormancy timing, represents that this dormancy timing of power management module completes, and sleep procedure is not interrupted, and terminal is still in off-grid state.Or be following manner (2).
(2) power management module dormancy timer interrupt.
Such as, dormancy time is 3 minutes, but when the continuous time of power management module dormancy timing is 2 minutes, is stopped timing by extraneous factor and cause power management module dormancy timer interrupt.As stopped terminal being powered or manually opened cell searching function etc., cause this dormancy timer interrupt of power management module.
Step 204, when dormancy terminates, if terminal is still in off-grid state, terminal carries out cell search again.
If after terminal carries out cell search again, search for still failed, it is necessary to more each parts of terminal are carried out dormancy process successively, and adopts the dormancy time more longer than the dormancy time that last dormancy processes to carry out dormancy timing.
When the present embodiment can make terminal be in off-grid state, initiate periodically to search network process, namely proceed after certain interval of time to search net.Owing to the network process of searching of persistence needs the multiple parts continuous firings in terminal, and periodically search procedure can be searched in terminal and netted after unsuccessfully, by each parts dormancy a period of time, again carry out searching net after each parts dormancy terminates, such as: terminal is in off-grid state all the time within the time of ten minutes, and in these ten minutes, terminal continues to search net ten minutes；If terminal carries out periodically searching net in these ten minutes, the net time of searching of terminal accumulation is six minutes, and when namely each parts work with equal-wattage in the terminal, the working time is more few, and the electricity of consumption is more few.Again carrying out searching net after certain interval of time and can save the electricity of terminal, thus reducing the energy consumption of terminal, extending the use time of terminal.
Further, search in terminal and net after unsuccessfully, the module not needing work in terminal can be entered resting state, simultaneously with the strategy of incremental dormancy time step-length, make terminal when the region not having LTE signal to cover, long-time as far as possible can reduce the power consumption of terminal in a dormant state, extend the use time of terminal.
Embodiment three
The embodiment of the present invention disclosed a kind of terminal sleeping method is discussed in detail.
With reference to Fig. 4, it is shown that a kind of terminal sleeping method flow chart in the present embodiment.
Terminal in the present embodiment, as UE may include that ARM, DSP, FPGA, PMU and RF unit etc..
Step 300, when UE is in off-grid state, carries out cell searching reporting subdistrict Search Results.
UE initiates Public Land Mobile Network (PublicLandMobileNetwork, PLMN) selection course at NAS, and UE, after physical layer receives cell searching request, proceeds by cell searching, and cell search results is reported upper strata
Step 302, it is judged that whether cell searching is successful.
If cell searching success, perform step 304；If cell searching failure, perform step 306.
Step 304, UE exits off-grid state.
Step 306, NAS triggers off-grid dormancy flow process, and ARM sends off-grid sleep request to DSP.
The dormancy that UE carries out each parts in UE according to the dormancy time pre-set in off-grid sleep request and UE processes.
Dormancy time can be T_Sleep=T_Init+ (n-1) * T_Step.Wherein, T_Sleep is the time of this dormancy, and T_Init is initial dormancy time, and n is the number of times entering off-grid dormancy, and T_Step is the step-length that dormancy time is incremented by.That is the time of dormancy every time, on the basis of upper once dormancy time, T_Step is all increased.Such benefit is to can ensure that the region not having LTE signal, and UE can enter resting state the time as much as possible.T_Init and T_Step the two parameter dynamically can also adjust according to network environment.
Step 308, DSP configures PMU according to dormancy time, and controls FPGA and RF unit, and DSP enters resting state.
Step 310, after DSP enters resting state, ARM enters resting state.
Step 312, PMU dormancy timing terminates, and sends hardware interrupts and wakes ARM up.
Step 314, ARM exits resting state, and ARM wakes DSP up.
Step 316, DSP exits resting state, and wakes FPGA and RF unit up.
Step 316 is finished, repeated execution of steps 300.
When the present embodiment can make UE be in off-grid state, initiate periodically to search network process, namely proceed after certain interval of time to search net.Owing to the network process of searching of persistence needs the multiple parts continuous firings in terminal, and periodically search procedure can be searched in terminal and netted after unsuccessfully, by each parts dormancy a period of time, again carry out searching net after each parts dormancy terminates, such as: terminal is in off-grid state all the time within the time of ten minutes, and in these ten minutes, terminal continues to search net ten minutes；If terminal carries out periodically searching net in these ten minutes, the net time of searching of terminal accumulation is six minutes, and when namely each parts work with equal-wattage in the terminal, the working time is more few, and the electricity of consumption is more few.Again carrying out searching net after certain interval of time and can save the electricity of UE, thus reducing the energy consumption of UE, extending the use time of UE.
Further, search at UE and net after unsuccessfully, the module not needing work in UE can be entered resting state, simultaneously with the strategy of incremental dormancy time step-length, make UE when the region not having LTE signal to cover, long-time as far as possible can reduce the power consumption of UE in a dormant state, extend the use time of UE.
Embodiment four
The embodiment of the present invention disclosed a kind of terminal is discussed in detail.
With reference to Fig. 5, it is shown that a kind of terminal structure figure in the present embodiment.
The terminal of the present embodiment can include cell search module 40 and dormancy processing module 42.
Relation function and each module of each module between is discussed in detail separately below.
Cell search module 40 for carrying out cell searching under off-grid state.Dormancy processing module 42 is connected with cell search module 40, dormancy processing module 42 is for when cell search module 40 carries out cell searching failure, successively each parts being carried out dormancy process according to dormancy time, dormancy time is the interval time of double cell search.
The terminal of the present embodiment, identical with the realization mechanism of above-mentioned related method embodiment by adopting above-mentioned module to realize the dormancy of terminal, it is referred to the record of above-mentioned related method embodiment in detail, does not repeat them here.
The terminal of the present embodiment, during by adopting above-mentioned module that terminal can be made to be in off-grid state, initiates periodic cell search process, namely proceeds cell search after certain interval of time.The multiple parts continuous firings in terminal are needed due to the cell search process of persistence, and periodically cell search process can after terminal searching failure, by each parts dormancy a period of time, cell searching is again carried out after each parts dormancy terminates, such as: terminal is in off-grid state all the time within the time of ten minutes, and in these ten minutes, terminal continues to search for ten minutes；If terminal carries out cyclic cell search in these ten minutes, the search time of terminal accumulation is six minutes, and when namely each parts work with equal-wattage in the terminal, the working time is more few, and the electricity of consumption is more few.Again carrying out cell searching after certain interval of time and can save the electricity of terminal, thus reducing the energy consumption of terminal, extending the use time of terminal.
Embodiment five
The embodiment of the present invention disclosed a kind of terminal is discussed in detail.
With reference to Fig. 6, it is shown that a kind of terminal structure figure in the embodiment of the present invention.
As shown in Figure 6, the terminal in the present embodiment, it is possible to include cell search module 50, dormancy processing module 52 and power management module 54.
Wherein dormancy processing module 52 preferably can include digital signal processor 521, and, Advanced Reduced Instruction Set processor 522.
Relation function and each module, the parts of each module, parts between is discussed in detail separately below.
Cell search module 50 for carrying out cell searching under off-grid state.Dormancy processing module 52 is connected with cell search module 50, dormancy processing module 52 is for when cell search module 50 cell searching failure, successively each parts being carried out dormancy process according to dormancy time, dormancy time is the interval time of double cell search.
Preferably, dormancy time can be T_Sleep=T_Init+ (n-1) * T_Step.Wherein, T_Sleep is dormancy time, and T_Init is initial dormancy time, and n is the number of times carrying out dormancy process, n >=1, and T_Step is the step-length that dormancy time is incremented by.
Dormancy processing module 52 preferably can include digital signal processor 521 and Advanced Reduced Instruction Set processor 522.Digital signal processor 521 is for the radio frequency closed a terminal and field programmable gate array so that digital signal processor 521 enters resting state.Digital signal processor 521 is additionally operable to while the radio frequency closed a terminal and field programmable gate array, configures power management module 54 according to dormancy time.Advanced Reduced Instruction Set processor 522 is connected with digital signal processor 521, and Advanced Reduced Instruction Set processor 522 is for after detecting that digital signal processor 521 enters resting state, to self carrying out lower electric treatment, enters resting state.
Power management module 54 is connected with dormancy processing module 52, such as power management module 54 is specifically connected with digital signal processor 521, power management module 54 is for after configuring power management module 54 at digital signal processor 521 according to dormancy time, dormancy timing is proceeded by, until dormancy timing terminates by low frequency reference clock counting.
Preferably, power management module 54 carries out dormancy timing and terminates, it is possible to include two kinds of situations: power management module 54 dormancy timing completes, or power management module 54 dormancy timer interrupt.
And, cell search module 50 is additionally operable to after dormancy terminates, if terminal is still in off-grid state, again carries out cell search.
The terminal of the present embodiment, identical with the realization mechanism of above-mentioned related method embodiment by adopting above-mentioned module to realize the dormancy of terminal, it is referred to the record of above-mentioned related method embodiment in detail, does not repeat them here.
When the present embodiment can make terminal be in off-grid state, initiate periodic cell search process, namely proceed cell search after certain interval of time.The multiple parts continuous firings in terminal are needed due to the cell search process of persistence, and periodically cell search process can after terminal searching failure, by each parts dormancy a period of time, cell searching is again carried out after each parts dormancy terminates, such as: terminal is in off-grid state all the time within the time of ten minutes, and in these ten minutes, terminal continues to search for ten minutes；If terminal carries out cyclic cell search in these ten minutes, the search time of terminal accumulation is six minutes, and when namely each parts work with equal-wattage in the terminal, the working time is more few, and the electricity of consumption is more few.Again carrying out cell searching after certain interval of time and can save the electricity of terminal, thus reducing the energy consumption of terminal, extending the use time of terminal.
Further, after terminal carries out cell searching failure, the module not needing work in terminal can be made to enter resting state, simultaneously with the strategy of incremental dormancy time step-length, make terminal when the region not having communication network signal to cover, long-time as far as possible can reduce the power consumption of terminal in a dormant state, extend the use time of terminal.
For terminal embodiment, due to itself and embodiment of the method basic simlarity, so what describe is fairly simple, relevant part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification all adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
Above to a kind of terminal sleeping method disclosed in the embodiment of the present invention and terminal, it is described in detail, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (12)
1. a terminal sleeping method, it is characterised in that including:
Terminal is under off-grid state and carries out cyclic cell search；
When searching for unsuccessfully, successively each parts are carried out dormancy process according to dormancy time, described dormancy time is the interval time of double cell search, described successively each parts are carried out dormancy process according to dormancy time, including: the digital signal processor of described terminal cuts out radio frequency and the field programmable gate array of described terminal so that described digital signal processor enters resting state；After the Advanced Reduced Instruction Set processor of described terminal detects that described digital signal processor enters resting state, to self carrying out lower electric treatment, enter resting state.
2. method according to claim 1, it is characterised in that when searching for unsuccessfully, after successively each parts being carried out dormancy process according to dormancy time, described method also includes:
When dormancy terminates, if described terminal is still in off-grid state, described terminal carries out cell search again.
3. method according to claim 1, it is characterised in that:
Described dormancy time is T_Sleep=T_Init+ (n-1) * T_Step；
Wherein, T_Sleep is dormancy time, and T_Init is initial dormancy time, and n is the number of times carrying out dormancy process, n >=1, and T_Step is the step-length that dormancy time is incremented by.
4. method according to claim 1, it is characterised in that while the digital signal processor of described terminal cuts out radio frequency and the field programmable gate array of described terminal, described method also includes:
Described digital signal processor configures the power management module of described terminal according to described dormancy time.
5. method according to claim 4, it is characterised in that the digital signal processor of described terminal configures after the power management module of described terminal according to described dormancy time, and described method also includes:
Described power management module proceeds by dormancy timing by low frequency reference clock counting, until described dormancy timing terminates.
6. method according to claim 5, it is characterised in that described power management module carries out described dormancy timing and terminates, including:
Described power management module dormancy timing completes, or described power management module dormancy timer interrupt.
7. a terminal, it is characterised in that including:
Cell search module, for carrying out cyclic cell search under off-grid state；
Dormancy processing module, for when searching for unsuccessfully, successively each parts are carried out dormancy process according to dormancy time, described dormancy time is the interval time of double cell search, described dormancy processing module, including: digital signal processor, for closing radio frequency and the field programmable gate array of described terminal so that described digital signal processor enters resting state；Advanced Reduced Instruction Set processor, after being used for detecting that described digital signal processor enters resting state, to self carrying out lower electric treatment, enters resting state.
8. terminal according to claim 7, it is characterised in that:
Described cell search module, is additionally operable to after dormancy terminates, if described terminal is still in off-grid state, again carries out cell search.
9. terminal according to claim 7, it is characterised in that:
Described dormancy time is T_Sleep=T_Init+ (n-1) * T_Step；
Wherein, T_Sleep is dormancy time, and T_Init is initial dormancy time, and n is the number of times carrying out dormancy process, n >=1, and T_Step is the step-length that dormancy time is incremented by.
10. terminal according to claim 7, it is characterised in that described terminal also includes power management module；
Described digital signal processor, is additionally operable to, while the radio frequency cutting out described terminal and field programmable gate array, configure described power management module according to described dormancy time.
11. terminal according to claim 10, it is characterised in that:
Described power management module, after configuring described power management module at described digital signal processor according to described dormancy time, proceeds by dormancy timing by low frequency reference clock counting, until described dormancy timing terminates.
12. terminal according to claim 11, it is characterised in that described power management module carries out described dormancy timing and terminates, including:
Described power management module dormancy timing completes, or described power management module dormancy timer interrupt.
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| CN105898843B (en) * | 2016-05-24 | 2019-10-08 | 努比亚技术有限公司 | Network search method and system |
| CN107371224A (en) * | 2017-07-18 | 2017-11-21 | 深圳天珑无线科技有限公司 | A kind of method, equipment and the storage device of Wireless Telecom Equipment connection signal |
| WO2020000324A1 (en) * | 2018-06-28 | 2020-01-02 | 海能达通信股份有限公司 | State control method for processor, control circuit, and mobile terminal |
| CN110062448A (en) * | 2019-04-30 | 2019-07-26 | 努比亚技术有限公司 | Method, terminal and the storage medium of power-saving control |
| CN111182616B (en) * | 2019-12-20 | 2020-09-29 | 翱捷科技股份有限公司 | Mobile terminal and power consumption control method thereof |
| CN116963198A (en) * | 2022-04-19 | 2023-10-27 | 华为技术有限公司 | Communication method and device |
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