CN111465094A - Position updating method, system and terminal in combined attachment mode - Google Patents
Position updating method, system and terminal in combined attachment mode Download PDFInfo
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- CN111465094A CN111465094A CN202010281376.XA CN202010281376A CN111465094A CN 111465094 A CN111465094 A CN 111465094A CN 202010281376 A CN202010281376 A CN 202010281376A CN 111465094 A CN111465094 A CN 111465094A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W76/10—Connection setup
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Abstract
The invention provides a position updating method under a combined attachment mode, which comprises the following steps: after the joint attachment is completed, acquiring the frequency point information of the fallback cell through the base station; detecting whether the moving distance of the user per se in a preset time period is greater than a preset threshold value or not; if the movement distance of the user in a preset time period is detected to be larger than a preset threshold value, determining a cell frequency point with the best signal according to the information of the frequency point of the fallback cell; judging whether the cell frequency point with the best signal is a cell frequency point in a pre-stored joint attached cell frequency point list or not; and if the cell frequency point with the best signal is judged not to be the cell frequency point in the pre-stored joint attached cell frequency point list, initiating a position updating process. The invention also provides a terminal, a position updating system in a combined attachment mode and a computer storage medium.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, a system, a terminal, and a computer storage medium for location update in a combined attachment mode.
Background
In a CSFB (Circuit Switched Fallback) call implementation process, after a terminal completes joint attachment, when there is an incoming call, the terminal receives Fallback cell information sent by a base station and performs cell measurement to determine that a suitable cell performs Fallback, however, when the cell where the terminal falls back is not consistent with the cell during joint attachment, the terminal will be caused to perform location update again, and after the location update is completed, paging response information is sent to an MSC (Mobile Switching Center) to establish a call. The existing CSFB call implementation procedure makes the terminal longer in the process of establishing an incoming call, thereby resulting in poor user experience.
Disclosure of Invention
The present invention is directed to solve at least one of the technical problems in the prior art, and provides a location updating method, a location updating system, a terminal, and a computer storage medium in a joint attachment manner, so as to solve the problem in the prior art that a call setup time is long when a cell where a terminal falls back is inconsistent with a cell where the terminal is attached jointly.
In one aspect, the present invention provides a location updating method in a combined attachment mode, including:
after the joint attachment is completed, acquiring the frequency point information of the fallback cell through the base station;
detecting whether the moving distance of the user per se in a preset time period is greater than a preset threshold value or not;
if the movement distance of the user in a preset time period is detected to be larger than a preset threshold value, determining a cell frequency point with the best signal according to the information of the frequency point of the fallback cell;
judging whether the cell frequency point with the best signal is a cell frequency point in a pre-stored joint attached cell frequency point list or not;
and if the cell frequency point with the best signal is judged not to be the cell frequency point in the pre-stored joint attached cell frequency point list, initiating a position updating process.
Preferably, when it is determined that the cell frequency point with the best signal is not a cell frequency point in a pre-stored joint attached cell frequency point list, the step of initiating the location update process specifically includes:
acquiring the position area identification information corresponding to the cell frequency point with the best signal;
sending a joint location updating request to a mobile management function entity, wherein the joint location updating request comprises a location area updating request, and the location area updating request comprises the location area identification information, so that the mobile management function entity determines a mobile switching center to which a mobile terminal belongs currently according to the location area identification information and sends a location updating request to the mobile switching center to which the mobile terminal belongs currently.
Preferably, before the step of obtaining the frequency point information of the fallback cell by the base station, the method further includes:
receiving all cell frequency point information of a base station managed by a mobile switching center to which the mobile management functional entity belongs currently, and storing the all cell frequency point information as a cell frequency point list in joint attachment.
Preferably, the step of detecting whether the moving distance of the user in the preset time period is greater than a preset threshold specifically includes:
acquiring self current position information as first position information, and starting a timer;
when the timer finishes timing, acquiring the current position information of the timer to serve as second position information;
calculating the self moving distance according to the first position information and the second position information;
and judging whether the moving distance is larger than a preset threshold value.
In another aspect, the present invention further provides a terminal, including:
the acquisition unit is used for acquiring the frequency point information of the fallback cell through the base station after the joint attachment is completed;
the detection unit is used for detecting whether the moving distance of the detection unit per se in a preset time period is larger than a preset threshold value or not;
the determining unit is used for determining the cell frequency point with the best signal according to the information of the frequency point of the fallback cell when the detecting unit detects that the moving distance of the detecting unit in a preset time period is larger than a preset threshold;
the judging unit is used for judging whether the cell frequency point with the best signal is a cell frequency point in a pre-stored joint attached cell frequency point list;
and the position updating unit is used for initiating a position updating process when the judging unit judges that the cell frequency point with the best signal is not the cell frequency point in the pre-stored joint attached cell frequency point list.
Preferably, the location updating unit specifically includes:
an obtaining module, configured to obtain location area identification information corresponding to a cell frequency point with a best signal;
an update request module, configured to send a joint location update request to a mobile management function entity, where the joint location update request includes a location area update request, and the location area update request includes the location area identification information, so that the mobile management function entity determines, according to the location area identification information, a mobile switching center to which a mobile terminal currently belongs, and sends a location update request to the mobile switching center to which the mobile terminal currently belongs.
Preferably, the terminal further includes:
and the receiving unit is used for receiving all cell frequency point information of a base station which belongs to a mobile switching center and is sent by a mobile management functional entity before the acquisition unit acquires the frequency point information of the fallback cell through the base station, and storing the frequency point information of all cells as a cell frequency point list during joint attachment.
Preferably, the detection unit specifically includes:
the position acquisition module is used for acquiring the current position information of the acquisition unit as first position information after the acquisition unit acquires the frequency point information of the fallback cell through the base station;
the control module is used for starting a timer after the position acquisition module acquires the first position information;
the position acquisition module is further used for acquiring the current position information of the self as second position information when the timer finishes timing;
the mobile measurement module is used for calculating the self mobile distance according to the first position information and the second position information;
and the judging module is used for judging whether the moving distance is greater than a preset threshold value or not, and instructing the determining unit to determine the cell frequency point with the best signal according to the frequency point information of the fallback cell when the moving distance is judged to be greater than the preset threshold value.
In another aspect, the present invention further provides a location update system in a combined attachment mode, including: the mobile management system comprises a mobile management function entity, a mobile switching center and a terminal, wherein the terminal adopts the terminal provided by the invention.
In yet another aspect, the present invention also provides a computer storage medium for storing a computer program which, when executed, is adapted to implement the method of the present invention.
The invention has the beneficial technical effects that:
according to the position updating method, the position updating system, the terminal and the computer storage medium in the joint attachment mode, after the terminal completes joint attachment, the terminal obtains the current cell frequency point which can fall back, detects whether the moving distance of the terminal in a preset time period is larger than a preset threshold value, measures the moving distance to determine the cell frequency point at the end of a signal if the moving distance is larger than the preset threshold value, judges whether the cell frequency point with the best signal is the cell frequency point attached during the joint attachment, and directly initiates a position updating process if the moving distance is not the cell frequency point attached during the joint attachment. Compared with the prior art, the method and the device have the advantages that after the terminal completes the joint attachment, whether the terminal needs to perform the position updating or not is directly monitored, so that the necessary position updating can be performed in advance before the terminal receives the paging request, the call establishment time is further shortened, and the user experience is improved.
Drawings
Fig. 1 is a flowchart of a method for location update in a combined attachment manner according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for updating a location in a combined attachment manner according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of another terminal provided in the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the location updating method, system, terminal and computer storage medium in the combined attachment mode provided by the present invention are described in detail below with reference to the accompanying drawings.
The location updating method in the joint attachment mode is used for solving the problem that when a terminal receives a paging request in a CSFB service flow, a call setup time is too long due to the fact that a terminal fallback cell is inconsistent with a cell in the joint attachment. In the CSFB service, after the terminal is powered on, the terminal performs joint attachment to attach to a certain cell, and when the terminal receives a call request, the terminal performs fallback cell measurement and determines a suitable fallback cell, and when the fallback cell is inconsistent with the cell during joint attachment, the terminal performs location update again, which will cause the time from paging of the calling terminal to call establishment to increase, thereby resulting in poor user experience.
Example one
The embodiment provides a location updating method in a combined attachment mode, which is implemented based on a terminal, and as shown in fig. 1, the method includes:
and step S101, acquiring the frequency point information of the fallback cell through the base station after the joint attachment is completed.
Step S102, detecting whether the moving distance of the mobile terminal in the preset time period is larger than a preset threshold value.
If the movement distance of the user within the preset time period is detected to be greater than the preset threshold, step S103 is executed.
And S103, determining the cell frequency point with the best signal according to the frequency point information of the fallback cell.
And step S104, judging whether the cell frequency point with the best signal is the cell frequency point in a pre-stored joint attached cell frequency point list.
If the cell frequency point with the best signal is judged not to be the cell frequency point in the pre-stored joint attached cell frequency point list, step S105 is executed.
And step S105, initiating a position updating process.
In this embodiment, after completing the joint attachment, the terminal acquires a cell frequency point that can fall back currently, and detects whether a moving distance of the terminal itself within a preset time period is greater than a preset threshold, and if the moving distance is greater than the preset threshold, the terminal performs measurement to determine a last cell frequency point of a signal, and determines whether a cell frequency point with a best signal is a cell frequency point attached during the joint attachment of this time, and if the cell frequency point is not the cell frequency point attached during the joint attachment, the terminal directly initiates a position updating process. Compared with the prior art, the method and the device have the advantages that after the terminal completes the joint attachment, whether the terminal needs to perform the position updating or not is directly monitored, so that the necessary position updating can be performed in advance before the terminal receives the paging request, the call establishment time is further shortened, and the user experience is improved.
Example two
The present embodiment further provides a location updating method in a combined attachment mode, as shown in fig. 2, the method includes:
step S201, receiving all cell frequency point information of a base station governed by an MSC to which an MME belongs currently, and storing all cell frequency point information as a cell frequency point list in combined attachment.
After the terminal is powered on, a joint attachment process of the 4G multimode card is started, that is, the 4G multimode card sends a joint attachment message to an MME (Mobile management Entity), after receiving the joint attachment message, the MME sends a location update request to an MSC (Mobile Switching Center), the MSC further sends a 4G multimode location update process to an H L R (Home L location Register, Home location Register), the H L R sends all L AI (L location Area Identity) information of a base station currently governed by the MSC and all corresponding cell frequency point information to a V L R (Visitor L location Register, visited location Register) bound to the MSC for storage, the MSC further returns the L AI information and the corresponding cell list information to the MME, and then returns the L AI information and the corresponding cell information to the terminal, and when the terminal is attached with all cell frequency points, the MSC uses all cell information as a frequency point.
Step S202, after the joint attachment is completed, the frequency point information of the fallback cell is obtained through the base station.
After the terminal completes the joint attachment, a request for acquiring the configured fallback cell frequency point information is sent to the base station, the base station returns the cell frequency point information which can be currently fallback by the terminal to the terminal after receiving the request, and the terminal stores the cell frequency point information which can be currently fallback.
Step S203, acquiring the current position information of the mobile terminal itself as the first position information, and starting a timer.
After acquiring the frequency point information of the fallback cell, the terminal acquires the current position information of the terminal, records the current position information as the first position information, and starts a timer, wherein the timing duration of the timer can be set by a person skilled in the art according to an actual situation, for example, 1 minute or 5 minutes.
And step S204, when the timer finishes timing, acquiring the current position information of the mobile terminal per se as second position information.
And step S205, calculating the self moving distance according to the first position information and the second position information.
Step S206, judging whether the moving distance is larger than a preset threshold value.
Before and after the timer times, the terminal records first position information and second position information of the terminal respectively, whether the terminal moves and the moving distance can be determined according to the first position information and the second position information, whether the moving distance is greater than a preset threshold value is judged, when the moving distance is judged to be greater than the preset threshold value, the moving distance of the terminal is possibly beyond the range of an original attached cell, and the position updating is possibly needed, at the moment, the following step S207 is correspondingly executed, when the moving distance is judged to be not greater than the preset threshold value, the terminal can be considered not to be required to be updated again due to the movement of the terminal, and at the moment, the process of the method can be ended. The preset threshold may be set by a person skilled in the art according to a dividing manner of the cells and a distance between the cells in actual application.
And step S207, determining the cell frequency point with the best signal according to the frequency point information of the fallback cell.
And when the terminal judges that the moving distance is greater than the preset threshold value, cell measurement is carried out according to the stored frequency point information of the fallback cells so as to screen out the cell frequency point with the best signal from the frequency points of the fallback cells.
And S208, judging whether the cell frequency point with the best signal is a cell frequency point in a pre-stored joint attached cell frequency point list.
When the cell frequency point with the best signal is judged to be the cell frequency point in the joint attachment cell frequency point list, the cell frequency point suitable for the terminal to fall back is consistent with the cell in the joint attachment, and if the terminal receives a paging request, the terminal does not need to update the position, so that the process of the method can be directly finished; and when the cell frequency point with the best signal is judged not to be the cell frequency point in the joint attachment cell frequency point list, the cell frequency point suitable for the terminal to fall back at the moment is inconsistent with the cell during joint attachment, and if the terminal receives a paging request, the terminal needs to perform location update, and at the moment, the following step S209 is correspondingly executed to perform location update.
And step S209, L AI information corresponding to the cell frequency point with the best signal is obtained.
The terminal can obtain the system information of the cell frequency point with the best signal determined currently through the base station, so as to obtain L AI information (one L AI information is corresponding to a plurality of cell frequency points) corresponding to the cell frequency point with the best signal from the system information.
Step S210, sending a joint location update request to an MME, wherein the joint location update request comprises L AU request, and the L AU request comprises L AI information, so that the MME can determine the MSC to which the mobile terminal belongs currently according to the L AI information and send a location update request to the MSC to which the mobile terminal belongs currently.
After determining L AI information corresponding to the best cell frequency point, the terminal sends a joint location Update request to the MME, wherein the joint location Update request comprises a L AU (L association Area Update) request, further, the L AU request comprises the determined L AI information, after receiving the joint location Update request, the MME determines and stores a new MSC to which the mobile terminal belongs currently according to L AI information, and sends a location Update request to the new MSC, and further, the new MSC sends a location Update request to H L R, and simultaneously, the H L R also sends a location cancel request to the old MSC.
In addition, in practical applications, the joint location update request sent by the terminal to the MME further includes a TAU (tracking Area update) request, but in the present invention, the state of the TAU request is set to an off state.
EXAMPLE III
The present embodiment provides a terminal, as shown in fig. 3, including: an acquisition unit 11, a detection unit 12, a determination unit 13, a judgment unit 14, and a position update unit 15; the acquiring unit 11 is configured to acquire, by a base station, frequency point information of a fallback cell after the joint attachment is completed; the detection unit 12 is configured to detect whether a moving distance of the detection unit itself within a preset time period is greater than a preset threshold; the determining unit 13 is configured to determine a cell frequency point with a best signal according to the fallback cell frequency point information when the detecting unit detects that the moving distance of the detecting unit is greater than a preset threshold within a preset time period; the judging unit 14 is configured to judge whether the cell frequency point with the best signal is a cell frequency point in a pre-stored joint attached cell frequency point list; the location updating unit 15 is configured to initiate a location updating process when the determining unit 14 determines that the cell frequency point with the best signal is not the cell frequency point in the pre-stored joint attached cell frequency point list.
Further, as shown in fig. 4, the location updating unit 15 specifically includes an obtaining module 151 and an update request module 152, where the obtaining module 151 is configured to obtain L AI information corresponding to the cell frequency point with the best signal, and the update request module 152 is configured to send a joint location update request to an MME, where the joint location update request includes a L AU request, and the L AU request includes the L AI information, so that the MME determines, according to the L AI information, an MSC to which the mobile terminal currently belongs, and sends a location update request to the MSC to which the mobile terminal currently belongs.
Further, with continued reference to fig. 4, the terminal further includes: a receiving unit 16; the receiving unit 16 is configured to receive all cell frequency point information of a base station governed by an MSC to which the MME currently belongs, which is sent by the obtaining unit 11 before the obtaining unit obtains the frequency point information of the fallback cell through the base station, and store the all cell frequency point information as a cell frequency point list during joint attachment.
Further, with continued reference to fig. 4, the detecting unit 12 specifically includes: a position acquisition module 121, a control module 122, a movement measurement module 123 and a judgment module 124; the position acquiring module 121 is configured to acquire current position information of the acquiring unit 11 as first position information after acquiring the frequency point information of the fallback cell through the base station; the control module 122 is configured to start a timer after the position obtaining module obtains the first position information; the position obtaining module 121 is further configured to obtain current position information of the mobile terminal itself as second position information when the timer finishes timing; the mobile measurement module 123 is configured to calculate a mobile distance of the mobile measurement module according to the first location information and the second location information; the judging module 124 is configured to judge whether the moving distance is greater than a preset threshold, and instruct the determining unit 13 to determine a cell frequency point with a best signal according to the information of the dropped cell frequency point when the moving distance is greater than the preset threshold.
Example four
The present embodiment provides a location updating system under a combined attachment method, including: MME, MSC and a terminal, wherein the terminal adopts the terminal described in the third embodiment of the present invention.
EXAMPLE five
The present embodiment provides a computer storage medium for storing a computer program, which is used to implement the methods of the first and second embodiments of the present invention when the computer program is executed.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A position updating method in a combined attachment mode is characterized by comprising the following steps:
after the joint attachment is completed, acquiring the frequency point information of the fallback cell through the base station;
detecting whether the moving distance of the user per se in a preset time period is greater than a preset threshold value or not;
if the movement distance of the user in a preset time period is detected to be larger than a preset threshold value, determining a cell frequency point with the best signal according to the information of the frequency point of the fallback cell;
judging whether the cell frequency point with the best signal is a cell frequency point in a pre-stored joint attached cell frequency point list or not;
and if the cell frequency point with the best signal is judged not to be the cell frequency point in the pre-stored joint attached cell frequency point list, initiating a position updating process.
2. The method according to claim 1, wherein the step of initiating the location update procedure when it is determined that the cell frequency point with the best signal is not a cell frequency point in a pre-stored list of joint attached cell frequency points specifically comprises:
acquiring the position area identification information corresponding to the cell frequency point with the best signal;
sending a joint location updating request to a mobile management function entity, wherein the joint location updating request comprises a location area updating request, and the location area updating request comprises the location area identification information, so that the mobile management function entity determines a mobile switching center to which a mobile terminal belongs currently according to the location area identification information and sends a location updating request to the mobile switching center to which the mobile terminal belongs currently.
3. The method according to claim 1, wherein before the step of obtaining the frequency point information of the fallback cell by the base station, further comprising:
receiving all cell frequency point information of a base station managed by a mobile switching center to which the mobile management functional entity belongs currently, and storing the all cell frequency point information as a cell frequency point list in joint attachment.
4. The method according to claim 1, wherein the step of detecting whether the moving distance of the user in the preset time period is greater than a preset threshold specifically comprises:
acquiring self current position information as first position information, and starting a timer;
when the timer finishes timing, acquiring the current position information of the timer to serve as second position information;
calculating the self moving distance according to the first position information and the second position information;
and judging whether the moving distance is larger than a preset threshold value.
5. A terminal, comprising:
the acquisition unit is used for acquiring the frequency point information of the fallback cell through the base station after the joint attachment is completed;
the detection unit is used for detecting whether the moving distance of the detection unit per se in a preset time period is larger than a preset threshold value or not;
the determining unit is used for determining the cell frequency point with the best signal according to the information of the frequency point of the fallback cell when the detecting unit detects that the moving distance of the detecting unit in a preset time period is larger than a preset threshold;
the judging unit is used for judging whether the cell frequency point with the best signal is a cell frequency point in a pre-stored joint attached cell frequency point list;
and the position updating unit is used for initiating a position updating process when the judging unit judges that the cell frequency point with the best signal is not the cell frequency point in the pre-stored joint attached cell frequency point list.
6. The terminal according to claim 5, wherein the location updating unit specifically includes:
an obtaining module, configured to obtain location area identification information corresponding to a cell frequency point with a best signal;
an update request module, configured to send a joint location update request to a mobile management function entity, where the joint location update request includes a location area update request, and the location area update request includes the location area identification information, so that the mobile management function entity determines, according to the location area identification information, a mobile switching center to which a mobile terminal currently belongs, and sends a location update request to the mobile switching center to which the mobile terminal currently belongs.
7. The terminal of claim 5, further comprising:
and the receiving unit is used for receiving all cell frequency point information of a base station which belongs to a mobile switching center and is sent by a mobile management functional entity before the acquisition unit acquires the frequency point information of the fallback cell through the base station, and storing the frequency point information of all cells as a cell frequency point list during joint attachment.
8. The terminal according to claim 5, wherein the detecting unit specifically includes:
the position acquisition module is used for acquiring the current position information of the acquisition unit as first position information after the acquisition unit acquires the frequency point information of the fallback cell through the base station;
the control module is used for starting a timer after the position acquisition module acquires the first position information;
the position acquisition module is further used for acquiring the current position information of the self as second position information when the timer finishes timing;
the mobile measurement module is used for calculating the self mobile distance according to the first position information and the second position information;
and the judging module is used for judging whether the moving distance is greater than a preset threshold value or not, and instructing the determining unit to determine the cell frequency point with the best signal according to the frequency point information of the fallback cell when the moving distance is judged to be greater than the preset threshold value.
9. A position update system in a combined attachment mode, comprising: a mobility management function entity, a mobile switching center and a terminal, wherein the terminal adopts the terminal of any one of claims 5-8.
10. A computer storage medium storing a computer program, wherein the computer program is adapted to perform the method of any of claims 1-4 when executed.
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| CN112995975A (en) * | 2021-02-24 | 2021-06-18 | 中国联合网络通信集团有限公司 | Joint attachment optimization method, mobile terminal and network system |
| CN113015189A (en) * | 2021-02-24 | 2021-06-22 | 中国联合网络通信集团有限公司 | Combined position updating method, mobile terminal and system |
| CN113015189B (en) * | 2021-02-24 | 2023-04-28 | 中国联合网络通信集团有限公司 | Combined position updating method, mobile terminal and system |
| CN112995975B (en) * | 2021-02-24 | 2023-06-27 | 中国联合网络通信集团有限公司 | Combined attachment optimization method, mobile terminal and network system |
| CN114020363A (en) * | 2021-11-15 | 2022-02-08 | 海能达通信股份有限公司 | Group attachment method and corresponding device |
| CN114020363B (en) * | 2021-11-15 | 2023-12-15 | 海能达通信股份有限公司 | Group attachment method and corresponding equipment |
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Application publication date: 20200728 |