CN104284413A - Mobile terminal time synchronization method and system - Google Patents
Mobile terminal time synchronization method and system Download PDFInfo
- Publication number
- CN104284413A CN104284413A CN201410601915.8A CN201410601915A CN104284413A CN 104284413 A CN104284413 A CN 104284413A CN 201410601915 A CN201410601915 A CN 201410601915A CN 104284413 A CN104284413 A CN 104284413A
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- China
- Prior art keywords
- time
- timestamp
- wifi module
- access point
- mobile terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
Abstract
The invention discloses a mobile terminal time synchronization method and system. A mobile terminal acquires a wireless packet containing a timestamp sent by a WiFi access point through a WiFi module after the WiFi module is started, and then extracts the timestamp from the wireless packet to update current time to be the time contained in the timestamp. Due to the fact that the time contained in the timestamp is preset standard time capable of being updated in real time, time synchronization of the mobile terminal is achieved while the current time is updated to be the time contained in the timestamp. Compared with the prior art that the mobile terminal needs to be connected with a time server through a network, the method and system have the advantage that communication between the WiFi module and the WiFi access point can be achieved without networking, and therefore money spent on networking is saved and region limitation of networking is avoided.
Description
Technical field
The present invention relates to technical field of mobile terminals, in particular, relate to the method and system of a kind of mobile terminal synchronization time.
Background technology
After (such as format) causes the time of self to return to original value for some reason when mobile terminal, just the time of mobile terminal need be adjusted to current time accurately.The control method of current employing has two kinds, and one is the manual adjustments time, and another kind is by the wireless network synchronization time.
Owing to adopting manual adjustments cumbersome, and need to know current time accurately, therefore, many employing wireless network synchronization times at present.When adopting the wireless network synchronization time, mobile terminal need be connected by network with time server, then be upgraded the time of mobile terminal by time server.
Be connected if mobile terminal realizes network with time server by base station, just need to spend campus network, if mobile terminal and time server select WiFi to be connected, just need to know WiFi password, and also can be subject to region restriction in some situation.
In summary it can be seen, how when not needing network to connect, do not need monetary expense and wide region, still can realize the synchronous adjustment of the time of mobile terminal is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides the method and system of a kind of mobile terminal synchronization time, with realize when do not need network connect, do not need monetary expense and wide region, still can realize the synchronous adjustment of the time to mobile terminal.
The method of mobile terminal synchronization time, comprising:
Open WiFi module;
The packet radio carrying timestamp of WiFi access point transmission is obtained by described WiFi module;
Described timestamp is extracted from described packet radio;
Current time is updated to the time comprised in described timestamp, the time that described timestamp comprises be pre-set can standard time of real-time update.
Preferably, when described packet radio is beacon frame, the described process carrying the packet radio of timestamp sent by described WiFi module acquisition WiFi access point is comprised:
The beacon frame carrying described timestamp of certain WiFi access point transmission is directly obtained by described WiFi module.
Preferably, when described packet radio is for scanning feedback packet, the described process carrying the packet radio of timestamp sent by described WiFi module acquisition WiFi access point is comprised:
Scanning bag is sent to residing surrounding environment by described WiFi module;
The scanning feedback packet carrying described timestamp of certain WiFi access point transmission is received by described WiFi module.
The system of mobile terminal synchronization time, comprising:
Open unit, for opening WiFi module;
Acquiring unit, for obtaining the packet radio carrying timestamp that WiFi access point sends by described WiFi module;
Extraction unit, for extracting described timestamp from described packet radio;
Updating block, for current time being updated to the time comprised in described timestamp, the time that described timestamp comprises be pre-set can standard time of real-time update.
Preferably, when described packet radio is beacon frame, described acquiring unit comprises:
Direct acquisition subelement, for directly obtaining the beacon frame carrying described timestamp that certain WiFi access point sends by described WiFi module.
Preferably, when described packet radio is for scanning feedback packet, described acquiring unit comprises:
Send subelement, for sending scanning bag by described WiFi module to residing surrounding environment;
Receive subelement, for being received the scanning feedback packet carrying described timestamp that certain WiFi access point sends by described WiFi module.
As can be seen from above-mentioned technical scheme, the invention provides the method and system of a kind of mobile terminal synchronization time, after mobile terminal opens WiFi module, the packet radio carrying timestamp of WiFi access point transmission is obtained by WiFi module, then from packet radio, extraction time stabs, and current time is updated to the time comprised in timestamp.Due to the time comprised in timestamp be pre-set can standard time of real-time update, therefore, current time is updated to the synchronous of the process implementation of the time comprised in timestamp mobile terminal time.Mobile terminal is needed to be connected with time server network compared to existing technology, in the present invention, the communication process of WiFi module and WiFi access point is without the need to networking, therefore also just avoid the problem of monetary expense and the region restriction brought because network connects, thus solve a difficult problem of the prior art.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The method flow diagram of Fig. 1 a kind of mobile terminal synchronization time disclosed in the embodiment of the present invention;
The method flow diagram of Fig. 2 another kind of mobile terminal synchronization time disclosed in the embodiment of the present invention;
The method flow diagram of Fig. 3 another kind of mobile terminal synchronization time disclosed in the embodiment of the present invention;
The structural representation of Fig. 4 a kind of mobile terminal synchronization time disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses the method and system of a kind of mobile terminal synchronization time, with realize when do not need network connect, do not need monetary expense and wide region, still can realize the synchronous adjustment of the time to mobile terminal.
See Fig. 1, the method flow diagram of a kind of mobile terminal synchronization time disclosed in the embodiment of the present invention, comprises step:
Step S11, unlatching WiFi module;
Step S12, the packet radio carrying timestamp sent by described WiFi module acquisition WiFi access point;
Wherein, the English name of timestamp is timestamp.
WiFi access point is specifically as follows router.
It should be noted that, the effect of the WiFi access point in the application is equal to AccessPoint (being called for short AP, wireless access node) access point.
Step S13, from described packet radio, extract described timestamp;
Step S14, current time is updated to the time comprised in described timestamp.
Wherein, the time that described timestamp comprises be pre-set can standard time of real-time update.
Concrete, when WiFi access point is opened, the set of time comprised by timestamp is current standard time, thus makes the time comprised in timestamp be the standard time of real-time update.
In summary it can be seen, the method of a kind of mobile terminal synchronization time provided by the invention, due to the time comprised in timestamp be pre-set can standard time of real-time update, therefore, current time is updated to the synchronous of the process implementation of the time comprised in timestamp mobile terminal time.Mobile terminal is needed to be connected with time server network compared to existing technology, in the present invention, the communication process of WiFi module and WiFi access point is without the need to networking, therefore also just avoid the problem of monetary expense and the region restriction brought because network connects, thus solve a difficult problem of the prior art.
It should be noted that, the packet radio in above-described embodiment is specifically as follows packets of information or the frame that beacon frame (English name is beacon frame), scanning feedback packet (English name is scan response) etc. can carry timestamp.
When packet radio is beacon frame, see Fig. 2, the method flow diagram of a kind of mobile terminal synchronization time disclosed in another embodiment of the present invention, comprises step:
Step S21, unlatching WiFi module;
Step S22, directly to be obtained the beacon frame carrying described timestamp that certain WiFi access point sends by described WiFi module;
Step S23, from described beacon frame, extract described timestamp;
Step S24, current time is updated to the time comprised in described timestamp.
Wherein, the time that described timestamp comprises be pre-set can standard time of real-time update.
In summary it can be seen, the method of a kind of mobile terminal synchronization time provided by the invention, due to the time comprised in timestamp be pre-set can standard time of real-time update, therefore, current time is updated to the synchronous of the process implementation of the time comprised in timestamp mobile terminal time.Mobile terminal is needed to be connected with time server network compared to existing technology, in the present invention, the communication process of WiFi module and WiFi access point is without the need to networking, therefore also just avoid the problem of monetary expense and the region restriction brought because network connects, thus solve a difficult problem of the prior art.
When packet radio is for scanning feedback packet, see Fig. 3, the method flow diagram of a kind of mobile terminal synchronization time disclosed in another embodiment of the present invention, comprises step:
Step S31, unlatching WiFi module;
Step S32, by described WiFi module to residing surrounding environment send scanning bag;
Step S33, to be received the scanning feedback packet carrying described timestamp that certain WiFi access point sends by described WiFi module;
Step S34, from described scanning feedback packet, extract described timestamp;
Step S35, current time is updated to the time comprised in described timestamp.
In summary it can be seen, the method of a kind of mobile terminal synchronization time provided by the invention, due to the time comprised in timestamp be pre-set can standard time of real-time update, therefore, current time is updated to the synchronous of the process implementation of the time comprised in timestamp mobile terminal time.Mobile terminal is needed to be connected with time server network compared to existing technology, in the present invention, the communication process of WiFi module and WiFi access point is without the need to networking, therefore also just avoid the problem of monetary expense and the region restriction brought because network connects, thus solve a difficult problem of the prior art.
As can be seen from Figures 2 and 3, the process obtaining beacon frame is the process of passive acquisition, and the process obtaining scanning feedback packet is the process of active obtaining, and in actual use, can determine according to actual needs, the present invention does not limit at this.
Corresponding with said method embodiment, present invention also offers the system of a kind of mobile terminal synchronization time.
See Fig. 4, the system configuration schematic diagram of a kind of mobile terminal synchronization time disclosed in the embodiment of the present invention, comprising:
Open unit 41, for opening WiFi module;
Acquiring unit 42, for obtaining the packet radio carrying timestamp that WiFi access point sends by described WiFi module;
Wherein, the English name of timestamp is timestamp.
WiFi access point is specifically as follows router.
It should be noted that, the effect of the WiFi access point in the application is equal to AccessPoint (being called for short AP, wireless access node) access point.
Extraction unit 43, for extracting described timestamp from described packet radio;
Updating block 44, for current time being updated to the time comprised in described timestamp, the time that described timestamp comprises be pre-set can standard time of real-time update.
Concrete, when WiFi access point is opened, the set of time comprised by timestamp is current standard time, thus makes the time comprised in timestamp be the standard time of real-time update.
In summary it can be seen, the system of a kind of mobile terminal synchronization time provided by the invention, due to the time comprised in timestamp be pre-set can standard time of real-time update, therefore, current time is updated to the synchronous of the process implementation of the time comprised in timestamp mobile terminal time.Mobile terminal is needed to be connected with time server network compared to existing technology, in the present invention, the communication process of WiFi module and WiFi access point is without the need to networking, therefore also just avoid the problem of monetary expense and the region restriction brought because network connects, thus solve a difficult problem of the prior art.
It should be noted that, the packet radio in above-described embodiment is specifically as follows packets of information or the frame that beacon frame (English name is beacon frame), scanning feedback packet (English name is scan response) etc. can carry timestamp.
Therefore, when packet radio is beacon frame, the acquiring unit 42 in above-described embodiment comprises:
Direct acquisition subelement, for directly obtaining the beacon frame carrying described timestamp that certain WiFi access point sends by described WiFi module.
Now, extraction unit 43, for extracting described timestamp from described beacon frame.
When packet radio is for scanning feedback packet, the acquiring unit 42 in above-described embodiment comprises:
Send subelement, for sending scanning bag by described WiFi module to residing surrounding environment;
Receive subelement, for being received the scanning feedback packet carrying described timestamp that certain WiFi access point sends by described WiFi module.
Now, extraction unit 43, for extracting described timestamp from described scanning feedback packet.
In summary it can be seen, the system of a kind of mobile terminal synchronization time provided by the invention, due to the time comprised in timestamp be pre-set can standard time of real-time update, therefore, current time is updated to the synchronous of the process implementation of the time comprised in timestamp mobile terminal time.Mobile terminal is needed to be connected with time server network compared to existing technology, in the present invention, the communication process of WiFi module and WiFi access point is without the need to networking, therefore also just avoid the problem of monetary expense and the region restriction brought because network connects, thus solve a difficult problem of the prior art.
It should be noted that, in system embodiment, the specific works principle of each part see embodiment of the method, can repeat no more herein.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the method for mobile terminal synchronization time, is characterized in that, comprising:
Open WiFi module;
The packet radio carrying timestamp of WiFi access point transmission is obtained by described WiFi module;
Described timestamp is extracted from described packet radio;
Current time is updated to the time comprised in described timestamp, the time that described timestamp comprises be pre-set can standard time of real-time update.
2. method according to claim 1, is characterized in that, when described packet radio is beacon frame, the described process carrying the packet radio of timestamp sent by described WiFi module acquisition WiFi access point is comprised:
The beacon frame carrying described timestamp of certain WiFi access point transmission is directly obtained by described WiFi module.
3. method according to claim 1, is characterized in that, when described packet radio is for scanning feedback packet, the described process carrying the packet radio of timestamp sent by described WiFi module acquisition WiFi access point is comprised:
Scanning bag is sent to residing surrounding environment by described WiFi module;
The scanning feedback packet carrying described timestamp of certain WiFi access point transmission is received by described WiFi module.
4. the system of mobile terminal synchronization time, is characterized in that, comprising:
Open unit, for opening WiFi module;
Acquiring unit, for obtaining the packet radio carrying timestamp that WiFi access point sends by described WiFi module;
Extraction unit, for extracting described timestamp from described packet radio;
Updating block, for current time being updated to the time comprised in described timestamp, the time that described timestamp comprises be pre-set can standard time of real-time update.
5. system according to claim 4, is characterized in that, when described packet radio is beacon frame, described acquiring unit comprises:
Direct acquisition subelement, for directly obtaining the beacon frame carrying described timestamp that certain WiFi access point sends by described WiFi module.
6. system according to claim 4, is characterized in that, when described packet radio is for scanning feedback packet, described acquiring unit comprises:
Send subelement, for sending scanning bag by described WiFi module to residing surrounding environment;
Receive subelement, for being received the scanning feedback packet carrying described timestamp that certain WiFi access point sends by described WiFi module.
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| CN201410601915.8A CN104284413A (en) | 2014-10-31 | 2014-10-31 | Mobile terminal time synchronization method and system |
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| CN201410601915.8A CN104284413A (en) | 2014-10-31 | 2014-10-31 | Mobile terminal time synchronization method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106357439A (en) * | 2016-09-08 | 2017-01-25 | 上海斐讯数据通信技术有限公司 | Method and system for updating router time |
| WO2023138339A1 (en) * | 2022-01-24 | 2023-07-27 | 华为技术有限公司 | Time synchronization method, apparatus and system |
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| CN103782525A (en) * | 2011-08-11 | 2014-05-07 | 英特尔公司 | Systems, methods, and apparatus for a short beacon in low rate Wi-Fi communications |
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| CN103782525A (en) * | 2011-08-11 | 2014-05-07 | 英特尔公司 | Systems, methods, and apparatus for a short beacon in low rate Wi-Fi communications |
| CN102547969A (en) * | 2012-02-24 | 2012-07-04 | 电子科技大学 | High-accuracy wireless clock synchronization system for power system |
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| WO2014089252A1 (en) * | 2012-12-05 | 2014-06-12 | Intel Corporation | Methods and arrangements for time synchronization and service discovery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106357439A (en) * | 2016-09-08 | 2017-01-25 | 上海斐讯数据通信技术有限公司 | Method and system for updating router time |
| WO2023138339A1 (en) * | 2022-01-24 | 2023-07-27 | 华为技术有限公司 | Time synchronization method, apparatus and system |
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Application publication date: 20150114 |