CN101730204A - Method for controlling working state of positioning module and mobile terminal thereof - Google Patents

Method for controlling working state of positioning module and mobile terminal thereof Download PDF

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Publication number
CN101730204A
CN101730204A CN200810225172A CN200810225172A CN101730204A CN 101730204 A CN101730204 A CN 101730204A CN 200810225172 A CN200810225172 A CN 200810225172A CN 200810225172 A CN200810225172 A CN 200810225172A CN 101730204 A CN101730204 A CN 101730204A
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China
Prior art keywords
portable terminal
cells
adjacent cell
adjacent
module
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CN200810225172A
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CN101730204B (en
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骆晓亮
朱春梅
马君
贾冬麟
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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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 invention discloses a method for controlling the working state of a positioning module and a mobile terminal thereof. The method comprises the following steps: the mobile terminal obtains the neighbor cell identity of own cell; the mobile terminal compares the obtained neighbor cell identity with the previously obtained neighbor cell identity to determine the number of neighbor cells which have changed; and the mobile terminal controls own positioning module to be in the sleep state when the determined number of neighbor cells is less than the preset number threshold. Unnecessary electricity consumption of the mobile terminal can be avoided by adopting the technical scheme provided by the invention.

Description

Method and portable terminal thereof that working state of positioning module is controlled
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of method and portable terminal thereof that working state of positioning module is controlled.
Background technology
In the prior art, because global positioning system (GPS, Global Position System) and agps system (A-GPS, Assistant-Global Position System) has high orientation precision, therefore be widely used in location positioning, movement locus tracking and the movement locus record etc. of portable terminal.Such as, adopt A-GPS that portable terminal is realized that the detailed process of location positioning is as follows:
At first, set up a GPS grid of reference, this GPS grid of reference is communicated with cordless communication network, and all GPS modules can both receive the signal of satellites transmits in this GPS grid of reference, and can keep continuous work;
After the server of GPS module in the GPS grid of reference that is in portable terminal inside in this GPS grid of reference sent the request positioning request signal that current position positions to portable terminal, the server in the GPS grid of reference (comprising differential GPS correction data information, portable terminal approximate location information, visible satellite list information, satellite-signal Doppler frequency information and corresponding search window information etc.) sent positioning auxiliary information to the GPS module of portable terminal inside by cordless communication network;
The GPS module of portable terminal inside just can be determined portable terminal present located position according to the positioning auxiliary information that receives.
In said process, the GPS module periodically server in the GPS grid of reference is sent the positioning request signal that request positions the current position of portable terminal, and after the GPS module positions portable terminal, before sending positioning request signal next time, the GPS module is in resting state all the time, in the prior art, when the portable terminal that has the GPS module rests on the same position in a very long time all the time, and when temporarily not needing self present position frequently located, portable terminal still can periodically start the GPS module that is in resting state, GPS module after the startup just can send the positioning request signal that request positions the current position of portable terminal to the server in the GPS grid of reference, therefore can cause the portable terminal unnecessary electricity consumption inevitably.
Summary of the invention
The embodiment of the invention provides a kind of method and portable terminal thereof that working state of positioning module is controlled, to avoid the portable terminal unnecessary electricity consumption.
For this reason, the embodiment of the invention is by the following technical solutions:
A kind of method that working state of positioning module is controlled comprises: portable terminal obtains self place adjacent cells of cells sign; The adjacent cell ID that relatively this obtained has determined to take place the adjacent number of cells that changes with respect to the adjacent cell ID that is last time obtained; During less than default number threshold value, the locating module of controlling in self is in sleep state to portable terminal at the adjacent number of cells of determining.
Preferably, this adjacent cell ID that is obtained of portable terminal comparison is with respect to the adjacent cell ID that is last time obtained, specifically comprise: the adjacent cell ID that portable terminal will last time obtain is stored in the first storage territory, and the adjacent cell ID of this acquisition is stored in the second storage territory; The adjacent cell ID of storing in the adjacent cell ID of storing in the portable terminal comparison second storage territory and the first storage territory;
Portable terminal also comprises after determining the adjacent number of cells that has taken place to change: portable terminal upgrades the adjacent cell ID of storing in the first storage territory based on the adjacent cell ID of storing in the second storage territory, and deletes the adjacent cell ID of storing in the second storage territory.
Preferably, predetermined number threshold value is 2 in the said method.
Preferably, mobile terminal period ground obtains self place adjacent cells of cells sign.
Preferably, portable terminal is time cycle of 10 seconds according to length, periodically obtains self place adjacent cells of cells sign.
A kind of portable terminal comprises the acquisition unit, is used to obtain portable terminal self place adjacent cells of cells sign; Determining unit is used for relatively obtaining this adjacent cell ID that is obtained of unit with respect to the adjacent cell ID that is last time obtained, and has determined to take place the adjacent number of cells that changes; Control unit, when being used for the adjacent number of cells determined in determining unit less than default number threshold value, the locating module of controlling in self is in sleep state.
The embodiment of the invention is by being obtained self place adjacent cells of cells sign by portable terminal; The adjacent cell ID that relatively this obtained has determined to take place the adjacent number of cells that changes with respect to the adjacent cell ID that is last time obtained; And at the adjacent number of cells of determining during less than default number threshold value, the GPS module of controlling in self is in sleep state, make portable terminal when detecting self-position and do not change for a long time, the locating module of controlling in self is in sleep state, and not periodically the server in the GPS grid of reference send the positioning request signal that request positions the current position of portable terminal, thereby avoided the portable terminal unnecessary electricity consumption.
Description of drawings
The idiographic flow schematic diagram of a kind of method that working state of positioning module is controlled that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is after portable terminal is stored the adjacent cell ID that obtains in the embodiment of the invention, the idiographic flow schematic diagram that compares again;
Fig. 3 is the tabulation of safeguarding according to portable terminal in the embodiment of the invention, determines the idiographic flow schematic diagram that working state of positioning module is controlled;
Fig. 4 moves to the schematic diagram of B sub-district from the A sub-district for portable terminal;
The concrete structure schematic diagram of a kind of portable terminal that Fig. 5 provides for the embodiment of the invention.
Embodiment
When the user need inquire about another user position, and when having this search access right, such as, movable in the scope of safety in order to ensure old man or child, the user need inquire about the particular location of the portable terminal (hereinafter referred to as locating terminal) that old man or child carry by the portable terminal (hereinafter referred to as inquiry terminal) of oneself, thereby can know the residing position of old man or child, concrete grammar is: inquiry terminal passes through note in real time or regularly, Web, WAP or client are inquired about the position of locating terminal to modes such as network side inquiries, and can pass through Web, modes such as WAP are further inquired about the event trace of locating terminal and the peripheral information of locating terminal position, when the positional information of inquiry terminal by the locating terminal feedback, when the position of knowing locating terminal exceeds preset range, by the method for transmission information, notify old man or child to get back to the safety zone by inquiry terminal to the location terminal.
In said process, terminal need send to inquiry terminal with the positional information of self owing to be positioned, therefore, locating module in the locating terminal periodically server in the GPS grid of reference sends the positioning request signal that request positions the current position of locating terminal, and when old man who carries this locating terminal or child's position did not change in one long period, the positioning request signal that periodically sends locating module can expend a large amount of electric energy of locating terminal, if the electric energy of locating terminal is consumed and finishes and make locating terminal shutdown, inquiry terminal will lose old man or child's positional information, thereby might cause bad result.
Therefore, the embodiment of the invention provides a kind of scheme that working state of positioning module is controlled, to avoid similar above-mentioned locating terminal unnecessary electricity consumption.
Be explained in detail to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
The idiographic flow schematic diagram of a kind of method that working state of positioning module is controlled that the embodiment of the invention provides comprises as shown in Figure 1:
Step 11, portable terminal obtain self place adjacent cells of cells sign;
Step 12, the adjacent cell ID that relatively this obtained have determined to take place the adjacent number of cells that changes with respect to the adjacent cell ID that is last time obtained;
Step 13, during less than default number threshold value, the locating module of controlling in self is in sleep state to portable terminal at the adjacent number of cells of determining.
In above-mentioned steps 12, this adjacent cell ID that is obtained of portable terminal comparison can compare by after the adjacent cell ID that obtains is stored during with respect to the adjacent cell ID that last time obtained again, the particular flow sheet of this process comprises as shown in Figure 2:
The adjacent cell ID that step 21, portable terminal will last time obtain is stored in the first storage territory;
Step 22 is stored in the adjacent cell ID of this acquisition in the second storage territory;
Step 23, the adjacent cell ID of storing in the adjacent cell ID of storing in the portable terminal comparison second storage territory and the first storage territory;
Step 24, portable terminal have determined to take place the adjacent number of cells that changes according to comparative result.
Because in order to switch or the sub-district gravity treatment, portable terminal can be according to the intensity of cell signal, the ID correspondence of sub-district is kept in the different tabulations, such as, the tabulation that portable terminal is safeguarded specifically has following several:
1, Active Set tabulation, the sub-district in this tabulation is and the corresponding pilot tone corresponding district of the forward traffic channel of distributing to portable terminal ID;
2, Candidate Set tabulation, the pilot tone that ID corresponding district base station, sub-district sends in this tabulation has enough intensity to show, and the forward traffic channel of this cell base station can be by successful demodulation;
3, neighbor set tabulation, the sub-district ID in this tabulation is current not in Active Set and in candidate's pilot set, but can enter the sub-district ID of the sub-district of Candidate Set;
4, residual set tabulation, the sub-district ID in this tabulation is other sub-districts ID the sub-district ID in above-mentioned three kinds of tabulations in current system.
Therefore, preferably, the embodiment of the invention can be according to the tabulation of above-mentioned portable terminal maintenance, and definite idiographic flow schematic diagram that working state of positioning module is controlled comprises as shown in Figure 3:
Step 31, portable terminal reads the sub-district ID in the tabulation of self maintained, and store the sub-district ID that reads into self first and store in the territory, such as, Fig. 4 moves to the schematic diagram of B sub-district from the A sub-district for portable terminal, when portable terminal is in the A sub-district, the current place of portable terminal A adjacent cells of cells is that the sub-district ID in the Candidate Set tabulation is respectively 1 sub-district ID in the portable terminal, 2 sub-district ID and B sub-district ID, at this moment, portable terminal reads 1 sub-district ID in the Candidate Set tabulation, 2 sub-district ID and B sub-district ID, and the sub-district ID that reads stored among the register M1 of self;
Step 32, behind certain interval of time, portable terminal reads the sub-district ID in the tabulation of self maintained once more, and store the sub-district ID that reads into self first and store in the territory, as shown in Figure 4, when portable terminal is in moving to the B sub-district after a while, the current place of portable terminal B adjacent cells of cells is that the sub-district ID in the Candidate Set tabulation has then become 2 sub-district ID, 3 sub-district ID and A sub-district ID, at this moment, portable terminal reads 2 sub-district ID in the Candidate Set tabulation, 3 sub-district ID and A sub-district ID, and each sub-district ID that will read stores among the register M2 of self;
Step 33, the sub-district ID among comparand register M1 and the register M2, when relatively obtaining number that sub-district ID changes less than default number threshold value, execution in step 34, and when relatively obtaining number that sub-district ID changes greater than default number threshold value, execution in step 35;
Step 34, not change or change less of the position that portable terminal is determined self, current task is laggard goes into the sleep state handling to control locating module in running order in self, or control in self and to be in dormant locating module originally and to keep sleep state, then, execution in step 36 again;
Step 35, portable terminal determines that change has taken place in the position of self, it is operating state that locating module in self is started by sleep state, and the server in the GPS grid of reference sends the positioning request signal that request positions the current position of portable terminal, and execution in step 36 again;
Step 36, portable terminal are upgraded the sub-district ID that stores among the register M1 based on the sub-district ID that stores among the register M2, and the sub-district ID that stores among the deletion register M2.
In above-mentioned steps 31 and 32, portable terminal can also read and store the sub-district ID in the Active Set tabulation, whether the follow-up total number that can change according to sub-district ID in Active Set and the Candidate Set judges whether self-position change taken place greater than default number threshold value.Because portable terminal is moved in the process of B sub-district by the A sub-district, when entering A sub-district and B sub-district the marginal position that signal covers all arranged, because the jitter of this position might cause mobile terminal locations not change, but variation has taken place in the sub-district ID in Active Set or the Candidate Set.For this reason, preferably, default number threshold value in the above-mentioned steps 33 can be made as 2, like this, even it is static that portable terminal keeps, but the signal strength signal intensity of its residing position changes and makes and variation has taken place in Active Set or the Candidate Set, because changing number, Active Set that such variation causes or the sub-district ID in the Candidate Set often be 1, therefore, portable terminal can change number less than number threshold value 2 according to this, and judge that obtain self-position does not change, thereby be sleep state with the State Control of self-contained locating module; And have only when the sub-district total number that changes in Active Set or the Candidate Set is at least 2, portable terminal determines that just variation has taken place self-position, thereby it is operating state that the locating module in self is started by sleep state, and the server in the GPS grid of reference sends the positioning request signal that request positions the current position of portable terminal.This shows, default number threshold value is made as 2, perhaps be at least greater than 2 positive integer, can prevent that the portable terminal that causes owing to jitter is to the self-position generation false judgment that changes.
In addition, in the above-mentioned steps 32, portable terminal can be the sub-district ID that periodically reads in the tabulation of self maintained, preferably, portable terminal can read sub-district ID in the tabulation of self maintained according to the original start-up period of locating module, such as, this cycle can but to be not limited to be 10s.
In addition, in the above-mentioned steps 36, after the sub-district ID that portable terminal is stored in based on register M2 upgrades the sub-district ID that stores among the register M1, also can not delete the sub-district ID that stores among the register M2, and be based on sub-district ID in the tabulation of the self maintained that behind certain interval of time next time, reads, upgrade the sub-district ID that stores among the current register M2.
The said method that is provided by the embodiment of the invention as can be known, because portable terminal is when judging that self-position does not have change or do not take place than cataclysm, the capital makes the locating module of self be in sleep state, rather than make locating module periodically the server in the GPS grid of reference send the positioning request signal be used to ask the current position of portable terminal, therefore can avoid preferably the portable terminal unnecessary electric quantity consumption.
Correspondingly, the embodiment of the invention also provides a kind of portable terminal, in order to avoid the portable terminal unnecessary electricity consumption.The concrete structure schematic diagram of this portable terminal comprises as shown in Figure 5:
Obtain unit 51, be used to obtain portable terminal self place adjacent cells of cells sign;
Determining unit 52 is used for relatively obtaining unit 51 these adjacent cell IDs that obtained with respect to the adjacent cell ID that is last time obtained, and has determined to take place the adjacent number of cells that changes;
Control unit 53, when being used for the adjacent number of cells determined in determining unit 52 less than default number threshold value, the locating module of controlling in self is in sleep state.
Wherein, determining unit 52 can adopt storage and relatively obtain unit 51 each adjacent cell IDs that obtain, and has determined to take place the mode of the adjacent number of cells of variation, and when this mode of employing, as shown in Figure 5, determining unit 52 specifically comprises:
First memory module 521 is used to store the adjacent cell ID that acquisition unit 51 last time obtained;
Second memory module 522 is used to store the adjacent cell ID that obtains unit 51 these acquisitions;
Comparison module 523 is used for the adjacent cell ID of storage in the adjacent cell ID of comparison second memory module 522 storage and first memory module 521;
Determination module 524 is used for the comparative result according to comparison module 523, has determined to take place the adjacent number of cells that changes.
Corresponding to the function that determining unit 52 realizes, as shown in Figure 5, the portable terminal that the embodiment of the invention provides also comprises:
Updating block 54 is used for upgrading the adjacent cell ID of storage in first memory module 521 based on the adjacent cell ID of storage in second memory module 522 behind the adjacent number of cells that determination module 524 has been determined to take place to change; And
Delete cells 55 is used for deleting the adjacent cell ID of second memory module, 522 storages.
If do not consider adjacent cell ID deletion with storage in second memory module 522, but with the adjacent cell ID that the acquisition module obtained in next time the adjacent cell ID of storing is upgraded also is feasible, so this portable terminal that the embodiment of the invention provides also can not comprise delete cells 55.
Preferably, produce wrong judgement for whether the portable terminal that prevents to cause owing to jitter changes to self present position, above-mentioned predetermined number threshold value can be 2.
Preferably, above-mentioned acquisition unit 51 can periodically obtain portable terminal place adjacent cells of cells sign, such as, obtain unit 51 and can obtain portable terminal place adjacent cells of cells sign according to the original start-up period of the locating module in the user terminal, such as, this cycle can but to be not limited to be 10s.
Need to prove that the scheme that adopts the embodiment of the invention to provide realizes avoiding comprising any portable terminal unnecessary electricity consumption with localization function module (such as GPS module or A-GPS module), all within protection scope of the present invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (12)

1. the method that working state of positioning module is controlled is characterized in that, comprising:
Portable terminal obtains self place adjacent cells of cells sign; And
The adjacent cell ID that relatively this obtained has determined to take place the adjacent number of cells that changes with respect to the adjacent cell ID that is last time obtained;
During less than default number threshold value, the locating module of controlling in self is in sleep state to portable terminal at the adjacent number of cells of determining.
2. the method for claim 1 is characterized in that, this adjacent cell ID that is obtained of portable terminal comparison specifically comprises with respect to the adjacent cell ID that is last time obtained:
The adjacent cell ID that portable terminal will last time obtain is stored in the first storage territory, and
The adjacent cell ID of this acquisition is stored in the second storage territory;
The adjacent cell ID of storing in the adjacent cell ID of storing in the portable terminal comparison second storage territory and the first storage territory;
Portable terminal also comprises after determining the adjacent number of cells that has taken place to change:
Portable terminal upgrades the adjacent cell ID of storing in the first storage territory based on the adjacent cell ID of storing in the second storage territory.
3. method as claimed in claim 2 is characterized in that, portable terminal upgrades based on the adjacent cell ID of storing in the second storage territory after the adjacent cell ID of storing in the first storage territory, the adjacent cell ID of storing in the deletion second storage territory.
4. the method for claim 1 is characterized in that, described predetermined number threshold value is 2.
5. as claim 1,2,3 or 4 described methods, it is characterized in that mobile terminal period ground obtains self place adjacent cells of cells sign.
6. method as claimed in claim 5 is characterized in that, portable terminal is time cycle of 10 seconds according to length, periodically obtains self place adjacent cells of cells sign.
7. a portable terminal is characterized in that, comprising:
Obtain the unit, be used to obtain portable terminal self place adjacent cells of cells sign;
Determining unit is used for relatively obtaining this adjacent cell ID that is obtained of unit with respect to the adjacent cell ID that is last time obtained, and has determined to take place the adjacent number of cells that changes;
Control unit, when being used for the adjacent number of cells determined in determining unit less than default number threshold value, the locating module of controlling in self is in sleep state.
8. portable terminal as claimed in claim 7 is characterized in that, described determining unit specifically comprises:
First memory module is used to store the adjacent cell ID that the acquisition unit was last time obtained;
Second memory module is used to store this adjacent cell ID that is obtained of acquisition unit;
Comparison module is used for the adjacent cell ID of storing in the adjacent cell ID that comparison second memory module stores and first memory module;
Determination module is used for the comparative result according to comparison module, has determined to take place the adjacent number of cells that changes;
Described portable terminal also comprises:
Updating block is used for upgrading the adjacent cell ID of storing in first memory module based on the adjacent cell ID of storing in second memory module behind the adjacent number of cells that determination module has been determined to take place to change.
9. portable terminal as claimed in claim 7 is characterized in that: described portable terminal also comprises:
Delete cells is used for deleting the adjacent cell ID that second memory module is stored.
10. portable terminal as claimed in claim 7 is characterized in that, described predetermined number threshold value is 2.
11., it is characterized in that described acquisition unit periodically obtains portable terminal place adjacent cells of cells sign as claim 7,8,9 or 10 described portable terminals.
12. portable terminal as claimed in claim 11 is characterized in that, described acquisition unit is time cycle of 10 seconds according to length, periodically obtains portable terminal place adjacent cells of cells sign.
CN200810225172A 2008-10-29 2008-10-29 Method for controlling working state of positioning module and mobile terminal thereof Expired - Fee Related CN101730204B (en)

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