CN106535111B - mobile terminal and positioning method thereof - Google Patents
mobile terminal and positioning method thereof Download PDFInfo
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- CN106535111B CN106535111B CN201510574285.4A CN201510574285A CN106535111B CN 106535111 B CN106535111 B CN 106535111B CN 201510574285 A CN201510574285 A CN 201510574285A CN 106535111 B CN106535111 B CN 106535111B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
A mobile terminal and a positioning method thereof are provided. The method comprises the following steps: receiving a positioning capacity reporting request sent by a positioning server; reporting positioning capacity information to the positioning server according to the positioning capacity reporting request; receiving a request for acquiring the positioning information generated by the positioning server according to the reported positioning capability information; and acquiring corresponding positioning information from a first system message received last time according to the request for acquiring the positioning information, reporting the positioning information to the positioning server, and positioning the geographic position of the mobile terminal by the positioning server according to the reported positioning information, wherein the first system message comprises the positioning information of the current service cell and the adjacent cell. By the method, the mobile terminal can be quickly positioned, and the power consumption of the mobile terminal is reduced.
Description
Technical Field
the invention relates to the technical field of communication, in particular to a mobile terminal and a positioning method thereof.
Background
At present, most mobile terminals have Enhanced CELL ID (E-CID) functions. When the E-CID function is started, the mobile terminal can receive system messages of different adjacent cells, further can obtain corresponding positioning information from the received system messages, and sends the positioning information to the positioning server, and the positioning server determines the geographic position of the mobile terminal according to the positioning information reported by the mobile terminal.
however, since the positioning information of different neighboring cells is carried in the system messages of different neighboring cells, the mobile terminal needs to receive the system messages of the neighboring cells for many times in order to obtain the positioning information of the corresponding cell, which results in increased power consumption. And, there is a certain time delay when obtaining the geographical position of the mobile terminal through the E-CID function.
Disclosure of Invention
The invention aims to solve the problem of how to quickly position the mobile terminal and reduce the power consumption of the mobile terminal.
In order to solve the above problem, an embodiment of the present invention provides a method for positioning a mobile terminal, where the method includes:
receiving a positioning capacity reporting request sent by a positioning server;
Reporting positioning capacity information to the positioning server according to the positioning capacity reporting request;
receiving a request for acquiring the positioning information generated by the positioning server according to the reported positioning capability information;
And acquiring corresponding positioning information from a first system message received last time according to the request for acquiring the positioning information, reporting the positioning information to the positioning server, and positioning the geographic position of the mobile terminal by the positioning server according to the reported positioning information, wherein the first system message comprises the positioning information of the current service cell and the adjacent cell.
optionally, the first system message is independent of other system messages received by the mobile terminal, or is appended to one or more other system messages received by the mobile terminal.
Optionally, the first system message is obtained by the base station acquiring the adjacent relationship between the cells and the positioning information of each cell and combining the adjacent relationship and the positioning information.
Optionally, the ranking order of the cells corresponding to the positioning information in the first system message is the same as the ranking order of each cell in the system message carrying the neighbor cell list.
Optionally, the neighboring cell includes a neighboring cell of a different system supported by the mobile terminal.
An embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes:
A first receiving unit, adapted to receive a first system message in advance, where the first system message includes positioning information of a current serving cell and a neighboring cell;
The second receiving unit is suitable for receiving a positioning capacity reporting request sent by the positioning server;
The first sending unit is suitable for reporting the positioning capacity information to the positioning server according to the positioning capacity reporting request;
A third receiving unit, adapted to receive a request for acquiring positioning information, which is generated by the positioning server according to the reported positioning capability information;
and the second sending unit is suitable for acquiring corresponding positioning information from the first system message which is received by the first receiving unit for the last time according to the request for acquiring the positioning information, reporting the positioning information to the positioning server, and positioning the geographic position of the mobile terminal by the positioning server according to the reported positioning information.
Optionally, the first system message received by the first receiving unit is independent of other system messages received by the mobile terminal, or is appended to one or more other system messages received by the mobile terminal.
optionally, the first system message received by the first receiving unit is obtained by the base station acquiring the adjacent relationship between the cells and the positioning information of each cell and combining the adjacent relationship and the positioning information.
optionally, the sequence of the cells corresponding to the positioning information in the first system message is the same as the arrangement sequence of each cell in the system message carrying the neighbor cell list.
Optionally, the neighboring cell includes a neighboring cell of a different system supported by the mobile terminal.
Compared with the prior art, the technical scheme of the invention at least has the following advantages:
when the mobile terminal receives a positioning capability reporting request sent by the positioning server, the E-CID capability information of the LTE communication system and the E-CID capability information of at least one different system are reported to the positioning server, so that the positioning server can determine the geographic position of the mobile terminal according to the positioning information reported by the mobile terminal, and the positioning accuracy of the positioning server on the mobile terminal can be improved.
Drawings
Fig. 1 is a flowchart of a mobile terminal positioning method according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
Currently, when a mobile terminal starts an E-CID function, it is necessary to receive system messages of a neighboring cell for multiple times to obtain corresponding positioning information. Since the positioning messages of different neighboring cells are carried in different neighboring cell system messages, power consumption is increased. In practical application, a certain time delay exists from the time when the mobile terminal starts the E-CID function to the time when the obtained positioning information is reported to the positioning server, so that the positioning server cannot position the mobile terminal in real time.
in view of the above problems, embodiments of the present invention provide a method for positioning a mobile terminal, where the method enables the mobile terminal to receive a first system message including positioning information of a current serving cell and a neighboring cell in advance, and further, when receiving a request for obtaining positioning information sent by a positioning server, obtain corresponding positioning information from the first system message and report the corresponding positioning information to the positioning server, without requiring the mobile terminal to receive a system message of the neighboring cell, so that power consumption of the mobile terminal can be reduced. And when receiving the request for obtaining the positioning information, the positioning server can directly obtain the corresponding positioning information from the first system message received at the last time without starting the E-CID function, and the time delay caused by the positioning through the E-CID function does not exist, so that the positioning server can quickly position the mobile terminal.
in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1, an embodiment of the present invention provides a method for positioning a mobile terminal.
The method may comprise the steps of;
And 11, receiving a positioning capability reporting request sent by a positioning server.
In specific implementation, the positioning server obtains the current positioning capability of the mobile terminal by sending a positioning capability request to the mobile terminal. Wherein, the positioning capability of the mobile terminal is the capability of whether the mobile terminal can obtain the relevant positioning information.
In specific implementation, the positioning server may be triggered to send the positioning capability reporting request in various ways, for example, the positioning server may be triggered to send the positioning capability reporting request in a way that the mobile terminal sends the positioning request to the positioning server; the positioning server can also be triggered to send a positioning capability reporting request in a manner that the positioning server sends a positioning request to the mobile terminal. That is, both the positioning server and the mobile terminal may trigger the positioning server to send a positioning capability reporting request. The mobile terminal may generate the positioning request in various ways, for example, the positioning request may be generated by an application program such as map software of the mobile terminal.
in the embodiment of the present invention, the mobile terminal refers to a computer device that can be used in a mobile process, and includes, but is not limited to, a mobile phone, a notebook, a tablet computer, and a vehicle-mounted computer. The mobile terminal may support two communication modes, or may support three or more communication modes. No particular limitation is imposed on the present invention regardless of the number of communication modes that the mobile terminal can support, and the present invention is within the scope of the present invention.
It should be noted that, in the embodiment of the present invention, the positioning server may be an independent dedicated server, or may provide other services at the same time, for example, a dedicated storage area and a dedicated memory area may be opened on other servers to provide the positioning service. Of course, the positioning server, regardless of the manner in which it is used, may communicate with the mobile terminal.
The mobile terminal and the positioning server may communicate with each other by using a wired connection or a wireless connection. The wireless connection method may include various communication modes such as WiFi, bluetooth, infrared and the like. No matter what the connection mode between the mobile terminal and the positioning server is, the present invention is not limited and is within the protection scope of the present invention.
And 12, reporting the positioning capacity information to the positioning server according to the positioning capacity reporting request.
And when the mobile terminal receives the positioning capacity reporting request, reporting the self positioning capacity to the positioning server. The positioning capability of the mobile terminal comprises the positioning capability of each cell under the current communication system and the positioning capability of each cell under the different system.
in a specific implementation, except for a communication system corresponding to a current communication mode, other communication systems supported by the mobile terminal are all heterogeneous systems. For example, the current communication mode of the mobile terminal is an LTE mode, and the corresponding current communication system is an LTE system. The heterogeneous System may be one or more of Wireless Local Area Network (WLAN), Global System For Mobile communications (GSM), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), Code Division Multiple Access (CDMA) 2000, and the like.
When reporting the positioning capability information, the mobile terminal can report the positioning capability information of at least one different system besides the positioning capability information of the current communication system. The at least one heterogeneous system may be one of heterogeneous systems supported by the mobile terminal, or two or more heterogeneous systems. In an embodiment of the present invention, the mobile terminal may report the positioning capability information of the current communication system and the positioning capability information of all the different systems.
And step 13, receiving a request for acquiring the positioning information generated by the positioning server according to the reported positioning capability information.
After receiving the positioning capability information sent by the mobile terminal, the positioning server can generate a corresponding request for acquiring the positioning information. For example, when the positioning capability information reported by the mobile terminal includes an LTE communication system and a WLAN communication system, the request for obtaining the positioning information obtains the positioning information related to the LTE communication system and the WLAN communication system.
And step 14, acquiring corresponding positioning information from the first system message received last time according to the request for acquiring the positioning information, reporting the positioning information to the positioning server, and positioning the geographic position of the mobile terminal by the positioning server according to the reported positioning information.
In a specific implementation, the first system message is obtained by the base station acquiring the adjacent relationship between the cells and the positioning information of the cells and combining the adjacent relationship and the positioning information. The base station may obtain the neighboring relationship between the cells and the positioning information of each cell in a variety of ways, for example, the base station may obtain the positioning information when planning or optimizing a network for the mobile terminal, or obtain the positioning information through an input of an operation maintenance system, or obtain the positioning information through a self-organizing network technology such as automatic neighbor association, and the specific way of obtaining the positioning information is not limited.
The base station may send the first system message to the mobile terminal at a certain scheduling interval. The content of the first system message sent each time may be the same or different, as long as the latest positioning information of each cell of the mobile terminal obtained by the base station is obtained.
the scheduling interval may be set according to a period in which the mobile terminal receives the request for obtaining the positioning information under different conditions. For example, if the mobile terminal receives the request for obtaining the positioning information after being powered on for 5s, the base station may send the first system message within a time period less than 5s after the mobile terminal is powered on. For another example, in the standby condition, the mobile terminal may receive the request for obtaining the positioning information every 2s, and the base station may send the first system message every 1 s.
In a specific implementation, the first system message includes positioning information of a current serving cell and a neighboring cell. The adjacent cells comprise the adjacent cells of the current communication system and the adjacent cells of the different systems.
In a specific implementation, when the base station sends the first system message to the mobile terminal, the base station may send the first system message independently of other system messages sent to the mobile terminal, that is, the base station adds system messages sent to the mobile terminal. In this case, the number of the first system messages may be one, or may be two or more, that is, the positioning information of each cell of the mobile terminal may be carried in one first system message, or may be carried in two or more first system messages, respectively.
The base station may also append the first system message to other system messages sent to the mobile terminal. For example, the first system message may be completely attached to the system message carrying the neighbor list, or a part of the first system message may be attached to the system message carrying the neighbor list, and another part of the first system message may be attached to another system message.
in a specific implementation, the arrangement order of the cells corresponding to the positioning information in the first system message may be set according to the arrangement order of each cell in the system message carrying the neighbor cell list. In this way, when the mobile terminal receives the first system message, the positioning information of each cell in the first system message can be read according to the arrangement sequence of each cell in the system message carrying the neighbor cell list, so that the length of the first system message can be reduced, and air interface resources can be saved.
In a specific implementation, the form of the first system message is related to a communication mode of the mobile terminal. For example, in the 3G mode, the form of the first system message may be an asn.1 form, that is, the content in the first system message is arranged in a table form.
When the mobile terminal receives the request for obtaining the positioning information, the mobile terminal directly obtains the corresponding positioning information from the first system message received last time and reports the positioning information to the positioning server, and the mobile terminal does not need to obtain the corresponding positioning information by receiving the system message of the adjacent cell. For example, when the request for obtaining the positioning information is a request for obtaining the relevant positioning information of the LTE communication system and the WLAN communication system, the mobile terminal directly obtains the relevant positioning information of the LTE communication system and the WLAN communication system from the first system message and reports the obtained relevant positioning information.
in a specific implementation, the positioning information may include: real-time positioning information and non-real-time positioning information. The real-time positioning information may be obtained by the mobile terminal through cell measurement, for example, signal strength of each cell. The non-real-time Location information may be obtained by the Mobile terminal reading a corresponding system message, for example, Public Land Mobile Network (PLMN), Location Area Code (LAC), Routing Area Code (RAC), Tracking Area Code (TAC), intra-PLMN unique Cell Identity (Global Cell ID), Cell frequency point (freq), physical Cell number (phy Cell ID), and other information. It can be understood that the positioning information of different communication systems is different, and the content of the specific positioning information is not limited as long as the mobile terminal can report part or all of the positioning information under the corresponding system to the positioning server.
In an embodiment of the present invention, the non-real-time positioning information may be obtained from a last received first system message. When the mobile terminal reports the positioning information according to the request for obtaining the positioning information, on one hand, the non-real-time positioning information can be obtained from the first system message received last time, and on the other hand, the non-real-time positioning information and the real-time positioning information can be reported to the positioning server together through the real-time positioning information obtained by cell measurement.
in a specific implementation, a manner of reporting the positioning information to the positioning server by the mobile terminal is not limited, as long as the positioning server can receive the positioning information. For example, the positioning information may be sent to the positioning server in a signaling manner, or may be sent to the positioning server in an IP data link report manner.
As can be seen from the above, in the positioning method of the mobile terminal in the embodiment of the present invention, by receiving the first system message including the positioning information of the current serving cell and the neighboring cell in advance, when receiving the request for obtaining the positioning information sent by the positioning server, the corresponding positioning information can be directly read from the first system message, so that the positioning server can position the mobile terminal more quickly, and the power consumption of the mobile terminal can be effectively reduced.
In order to make those skilled in the art better understand and implement the present invention, the following respectively describes mobile terminals corresponding to the above-mentioned positioning method of the mobile terminal in detail.
As shown in fig. 2, an embodiment of the present invention provides a mobile terminal 20. In the embodiment of the present invention, the mobile terminal refers to a computer device that can be used in mobile, including but not limited to a mobile phone, a notebook, a tablet computer, and a vehicle-mounted computer. The mobile terminal may support two communication modes, or may support three or more communication modes, and no particular limitation is imposed on the present invention regardless of the number of the communication modes that the mobile terminal may support.
Specifically, the mobile terminal 20 may include: a first receiving unit 21, a second receiving unit 22, a first transmitting unit 23, a third receiving unit 24, and a second transmitting unit 25. Wherein:
The first receiving unit 21 is adapted to receive a first system message in advance, where the first system message includes positioning information of a current serving cell and a neighboring cell. The second receiving unit 22 is adapted to receive a positioning capability reporting request sent by the positioning server. The first sending unit 23 is adapted to report the positioning capability information to the positioning server according to the positioning capability reporting request. The third receiving unit 24 is adapted to receive a request for obtaining positioning information, which is generated by the positioning server according to the reported positioning capability information. The second sending unit 25 is adapted to obtain corresponding positioning information from the first system message that is received by the first receiving unit most recently according to the request for obtaining positioning information, and report the positioning information to the positioning server, and the positioning server locates the geographic location of the mobile terminal according to the reported positioning information.
In a specific implementation, the first system message received by the first receiving unit 21 may be independent of other system messages received by the mobile terminal, or may be appended to other system messages received by the mobile terminal. When the first system message is sent independently of other system messages received by the mobile terminal, the positioning information of each cell of the mobile terminal may be set in one first system message, or may be set in two or more system messages, respectively. When the first system message is appended to another system message received by the mobile terminal and transmitted, the positioning information of each cell of the mobile terminal may be entirely appended to one of the other system messages, or may be separately appended to two or more of the other system messages.
In a specific implementation, the first system message is obtained by the base station acquiring the adjacent relationship between the cells and the positioning information of the cells and combining the adjacent relationship and the positioning information. The base station may obtain the neighboring relationship between the cells and the positioning information of each cell in a variety of ways, for example, the base station may obtain the positioning information when planning or optimizing a network for the mobile terminal, or obtain the positioning information through an input of an operation maintenance system, or obtain the positioning information through a self-organizing network technology such as automatic neighbor association, and the specific way of obtaining the positioning information is not limited.
In a specific implementation, the first system message includes positioning information of a current serving cell and a neighboring cell. The adjacent cells comprise the adjacent cells of the current communication system and the adjacent cells of the different systems.
In a specific implementation, to reduce the length of the first system message and save air interface resources, the base station may set the arrangement order of the cells corresponding to the positioning information in the first system message according to the arrangement order of each cell in the system message carrying the neighbor cell list. Thus, when the mobile terminal receives the first system message, the positioning information of each cell in the first system message can be read according to the arrangement sequence of each cell in the system message carrying the neighbor cell list.
As can be seen from the above, in the mobile terminal in the embodiment of the present invention, the first receiving unit 21 receives the first system message in advance, and then when the third receiving unit 24 receives the request for obtaining the positioning information, the corresponding positioning information can be directly read from the first system message, so that the positioning server can position the mobile terminal more quickly, and the power consumption of the mobile terminal can be effectively reduced.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: ROM, RAM, magnetic or optical disks, and the like.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A method for positioning a mobile terminal, comprising:
Receiving a positioning capacity reporting request sent by a positioning server;
Reporting positioning capacity information to the positioning server according to the positioning capacity reporting request;
Receiving a request for acquiring the positioning information generated by the positioning server according to the reported positioning capability information;
And acquiring corresponding positioning information from a first system message received last time according to the request for acquiring the positioning information, reporting the positioning information to the positioning server, and positioning the geographic position of the mobile terminal by the positioning server according to the reported positioning information, wherein the first system message comprises the positioning information of the current service cell and the adjacent cell.
2. The method of claim 1, wherein the first system message is independent of other system messages received by the mobile terminal or is appended to one or more other system messages received by the mobile terminal.
3. The method as claimed in claim 1, wherein the first system message is obtained by the base station acquiring the neighboring relationship between the cells and the positioning information of the cells and combining the neighboring relationship and the positioning information.
4. The method as claimed in claim 1, wherein the sequence of the cells corresponding to the positioning information in the first system message is the same as the sequence of the cells in the system message carrying the neighbor cell list.
5. The method according to any of claims 1 to 4, wherein the neighboring cell comprises a neighboring cell of an inter-system supported by the mobile terminal.
6. A mobile terminal, comprising:
A first receiving unit, adapted to receive a first system message in advance, where the first system message includes positioning information of a current serving cell and a neighboring cell;
The second receiving unit is suitable for receiving a positioning capacity reporting request sent by the positioning server;
The first sending unit is suitable for reporting the positioning capacity information to the positioning server according to the positioning capacity reporting request;
A third receiving unit, adapted to receive a request for acquiring positioning information, which is generated by the positioning server according to the reported positioning capability information;
and the second sending unit is suitable for acquiring corresponding positioning information from the first system message which is received by the first receiving unit for the last time according to the request for acquiring the positioning information, reporting the positioning information to the positioning server, and positioning the geographic position of the mobile terminal by the positioning server according to the reported positioning information.
7. The mobile terminal of claim 6, wherein the first system message received by the first receiving unit is independent of other system messages received by the mobile terminal or is appended to one or more other system messages received by the mobile terminal.
8. the mobile terminal of claim 6, wherein the first system message received by the first receiving unit is obtained by the base station acquiring the neighboring relationship between the cells and the positioning information of the cells and performing the combining process.
9. The mobile terminal of claim 6, wherein an order of the cells corresponding to the positioning information in the first system message is the same as an arrangement order of the cells in the system message carrying the neighbor cell list.
10. the mobile terminal according to any of claims 6 to 9, wherein the neighbouring cell comprises a neighbouring cell of an alien system supported by the mobile terminal.
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| CN201510574285.4A CN106535111B (en) | 2015-09-10 | 2015-09-10 | mobile terminal and positioning method thereof |
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| CN201510574285.4A CN106535111B (en) | 2015-09-10 | 2015-09-10 | mobile terminal and positioning method thereof |
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