CN107094318B - Position updating method and mobile terminal - Google Patents
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- CN107094318B CN107094318B CN201710341715.7A CN201710341715A CN107094318B CN 107094318 B CN107094318 B CN 107094318B CN 201710341715 A CN201710341715 A CN 201710341715A CN 107094318 B CN107094318 B CN 107094318B
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Abstract
According to the position updating method and the mobile terminal, when the mobile terminal fails to update the position of a cell with weak signals in the same position area and the failure times exceed the preset threshold value, whether the current mobile terminal enters a new cell or stays in a previous cell in the same position area is determined by judging whether the cell where the current mobile terminal is located is in a position updating failure list, so that the position updating is attempted to be initiated in the new cell or the previous cell. When the mobile terminal moves to a new cell or the signal of the previous cell may become strong, the location update is initiated at the moment, so that the problem that the mobile terminal does not have a network all the time because the mobile terminal cannot initiate the location update in the same location area is solved.
Description
Technical Field
The embodiment of the invention relates to the field of communication, in particular to a position updating method and a mobile terminal.
Background
In the prior art, when a mobile terminal performs periodic location update, when the location update fails due to an access stratum failure in the same location area, and when the failure times reach the maximum failure times set by a network, a modem starts a timer, and before the timer is overtime, the mobile terminal does not initiate location update when searching for a cell in the same location area, which means that no network exists at this time.
Disclosure of Invention
The embodiment of the invention provides a position updating method, which aims to solve the problem that in the prior art, because an access layer fails, a mobile terminal cannot initiate position updating in the same position area, so that no network exists all the time. One aspect provides a method for location update, including:
when the number of times of failure of first location update initiated by a mobile terminal in a first cell of a current location area exceeds a preset threshold value, establishing a location update failure list containing the first cell;
if the current position area is detected to have a second cell, judging whether the second cell is in the position updating failure list or not;
initiating a second location update in the second cell when the second cell is not in the location update failure list.
In another aspect, a mobile terminal is provided, which includes:
the mobile terminal comprises an establishing module, a judging module and a judging module, wherein the establishing module is used for establishing a position updating failure list containing a first cell when the number of times of first position updating failure initiated by the mobile terminal in the first cell of a current position area exceeds a preset threshold;
a determining module, configured to determine whether a second cell is in the location update failure list if it is detected that the second cell exists in the current location area;
a first location update module, configured to initiate a second location update in the second cell when the second cell is not in the location update failure list.
In the location updating method provided in the embodiment of the present invention, when a cell with a weak signal in a current location area of a mobile terminal fails to perform location updating and the number of failures exceeds a preset threshold, a location updating failure list including the cell is established, and it is determined whether the current mobile terminal enters a new cell or stays in a previous cell in the same location area by determining whether the cell where the current mobile terminal is located is in the location updating failure list, so that a location updating attempt is performed in the new cell or the previous cell. When the mobile terminal moves to a new cell or the signal of the previous cell may become strong, the location update is initiated at the moment, so that the problem that the mobile terminal does not have a network all the time because the mobile terminal cannot initiate the location update in the same location area is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a flow chart of a method of location updating in a first embodiment of the present invention;
FIG. 2 is a flow chart of a method of location updating in a second embodiment of the present invention;
fig. 3 is one of the configuration block diagrams of a mobile terminal of a third embodiment of the present invention;
fig. 3a is a second block diagram of the mobile terminal according to the third embodiment of the present invention;
fig. 4 is a block diagram of a mobile terminal according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
First embodiment
Fig. 1 is a flowchart of a first embodiment of a location updating method according to an embodiment of the present invention, where the method includes the following steps:
In this step, the current location area may include one or more cells. The first cell is one or more cells searched by the mobile terminal in the current location area. The location update failure list includes one or more cells of the same location area that failed to perform location update. The location update is a periodic location update. The preset threshold is the maximum number of times of failure of location updating, and when the number of times of location updating exceeds the preset threshold, the mobile terminal suspends location updating. The threshold is determined by the value set by the location update attempt counter. Each time a location update fails, the counter value is incremented by 1 until the set value, and the attempt at location update is suspended. When the mobile terminal enters a weak signal environment for position updating, such as an elevator, an underground garage and an underground passage, the mobile terminal is required to initiate periodic position updating, and because the current position signal is weak, the position updating fails, the failure reason may be that the mobile phone access network does not obtain network authentication, or the mobile phone access network is authenticated by the network as an illegal access user, or the network cannot provide normal service. That is, the location update may fail due to the access stratum failure, or the location update may fail due to the core network authentication failure after the access is successful. The location update failure in this embodiment is a location update failure caused by an access stratum failure, and the access stratum failure is an access failure caused by a poor signal after the modem initiates an access network and does not respond in the process of location update or a network response due to a poor signal. At this time, the mobile terminal may try to update the location for a plurality of times, and when the number of failed location updates exceeds the set threshold, the mobile terminal does not try to update any more until the periodic location update timer expires, and the mobile terminal is in a no-network state. The embodiment of the invention determines whether the current mobile terminal enters a new cell or stays in a previous cell in the same location area by creating the location updating failure list of one or more cells which fail to perform location updating and are contained in the same location area and judging whether the cell in which the current mobile terminal is positioned is in the location updating failure list when the mobile terminal moves to a cell with better signals, thereby attempting to initiate location updating on the new cell or the previous cell after the timer is overtime. When the mobile terminal moves to a new cell or the signal of the previous cell is possibly strengthened, the position updating is initiated at the moment, so that the problem that the mobile terminal does not have a network all the time because the mobile terminal cannot initiate the position updating in the same position area is solved.
In this step, when the mobile terminal is in a network-less state, if a cell signal is detected, it is determined whether the cell is in the location update failure list, where the second cell may be a cell already in the location update failure list or a cell not in the location update failure list. When the cell is not in the list, it indicates that the mobile terminal may move to a new cell at this time; when the cell is in the location update failure list, it indicates that the mobile terminal stays in at least one cell in which location update has failed before, and at this time, it needs to wait until the location update failure timer times out to initiate location update.
In this step, when the second cell is not in the location update failure list, it indicates that the current mobile terminal moves to a new cell, and at this time, the signal of the new cell may be better, and location update is initiated in the new cell, so as to avoid a network-free state caused by that the mobile terminal does not initiate location update any more.
In the method for updating a location provided in the embodiments of the present invention, when a cell with a weak signal in a current location area of a mobile terminal fails to update the location and the number of failures exceeds a preset threshold, a location update failure list including the cell is established, and then whether the current mobile terminal enters a new cell in the same location area is determined by the location update failure list, and a location update is attempted to be initiated in the new cell. The new cell signal may be stronger, and the network can be accessed to perform location update, and the location update is initiated at the moment, so that the problem that the mobile terminal does not have a network all the time because the mobile terminal cannot initiate location update in the same location area due to access layer failure is solved.
Second embodiment
Fig. 2 is a flowchart of a second embodiment of a location updating method according to an embodiment of the present invention, which includes the following steps:
In this step, the location area may include one or more cells. The first cell is one or more cells searched by the mobile terminal in the location area. The location update failure list includes one or more cells of the same location area that failed to perform location update. The location update is a periodic location update. The preset threshold is the maximum number of times of failure of location updating, and when the number of times of location updating exceeds the preset threshold, the mobile terminal suspends location updating. The threshold is determined by the value set by the location update attempt counter. Each time a location update fails, the counter value is incremented by 1 until the set value, and the attempt at location update is suspended. When the mobile terminal enters a weak signal environment for position updating, such as an elevator, an underground garage and an underground passage, the mobile terminal is required to initiate periodic position updating, and the current position signal is weak, the position updating fails because the mobile terminal is accessed to the network and does not obtain network authentication, the mobile terminal is accessed to the network and is authenticated by the network to be an illegal access user, and the network cannot provide normal service. That is, the location update failure may be caused by the access stratum failure, or the location update failure may be caused by the core network authentication failure after the access is successful. The location update failure in this embodiment is a location update failure caused by an access stratum failure, and the access stratum failure is an access failure caused by a poor signal after the modem initiates an access network and does not respond in the process of location update or a network response due to a poor signal. When the failure times of the location updating exceed the set threshold value, the mobile terminal does not try updating any more until the time of the periodic location updating timer is overtime, and the mobile terminal is in a network-free state. The embodiment of the invention establishes the location updating failure list of one or more cells which fail to update the location and are contained in the same location area, and determines whether the current mobile terminal enters a new cell or a cell staying in the same location area or not by judging whether the current cell is in the location updating failure list or not when the mobile terminal moves to the cell with better signal, thereby attempting to initiate location updating to the previous cell in the new cell or after the timer is overtime. When the mobile terminal moves to a new cell or the signal of the previous cell is possibly strengthened, the position updating is initiated at the moment, so that the problem that the mobile terminal does not have a network all the time because the mobile terminal cannot initiate the position updating in the same position area is solved.
Specifically, step 201 includes:
in step 2011, when the number of times of failure of the first location update initiated by the mobile terminal in the first cell of the current location area exceeds a preset threshold, the reason for the failure of the first location update is determined.
In this step, the reason for the failure of location update may be that the mobile phone has not obtained network authentication in the access network, or that the mobile phone is authenticated by the network as an illegal access user after accessing the network, or that the network cannot provide normal service. That is, the location update failure may be caused by the access stratum failure, or the location update failure may be caused by the core network authentication failure after the access is successful.
Step 2012, when the reason for the first location update failure is an access stratum failure, establishing a location update failure list including the first cell.
In this step, the mobile terminal and the base station access network establish a connection, which is an access layer connection. And when the reason of the location updating failure is that the network does not respond or the access fails due to the signal difference, the access layer fails. When the number of location update failures initiated by the mobile terminal in the cell of the current location area exceeds a preset threshold and the reason of the location update failures is access stratum failure, establishing a location update failure list containing one or more cells in the location area for the cell with the location update failures.
In this step, when the mobile terminal is in a no network state, if a cell signal is detected, it is further determined whether the cell is in the location update failure list. When the cell is not in the list, it indicates that the mobile terminal may move to a new cell at this time; when the cell is in the location update failure list, it indicates that the mobile terminal stays in at least one cell in which location update has failed before, and at this time, it needs to wait until the location update failure timer times out to initiate location update.
Entering step 203 when the second cell is not in the location update failure list; when the second cell is in the location update failure list, step 204 is entered.
Step 203, when the second cell is not in the location update failure list, initiating a second location update in the second cell.
In this step, when the second cell is not in the location update failure list, it indicates that the current mobile terminal moves to a new cell, and at this time, the signal of the new cell may be better, and location update is initiated in the new cell, so as to avoid a network-free state caused by that the mobile terminal does not initiate location update any more.
In this step, when the second cell is in the location update failure list and indicates that the signal in the cell in which the location update failed before this time becomes good, the location update timer is started at this time, and after the timer times out, the location update is restarted.
In this step, when the second cell is in the location update failure list and the location update failure timer times out, the location update is initiated again in the second cell, so as to avoid a network-free state caused by no more location update initiated by the mobile terminal.
And step 206, clearing the location updating failure list when the second location updating or the third location updating is successful.
In this step, when the location update is successful, the location update failure list is cleared. At this time, the mobile terminal resides in a cell whose location update is successful in the location area.
In the location updating method provided in the embodiment of the present invention, when a cell with a weak signal in a current location area of a mobile terminal fails to perform location updating and the number of failures exceeds a preset threshold, a location updating failure list including the cell is established, and it is determined whether the current mobile terminal enters a new cell in the same location area or stays in a previous cell by determining whether the cell where the current mobile terminal is located is in the location updating failure list, so that a location update is attempted to the previous cell after the new cell or a timer times out. When the mobile terminal moves to a new cell or the signal of the previous cell is possibly strengthened, the position updating is initiated at the moment, so that the problem that the mobile terminal does not have a network all the time because the mobile terminal cannot initiate the position updating in the same position area is solved.
Third embodiment
As shown in fig. 3, which is a block diagram of a mobile terminal according to an embodiment of the present invention, the mobile terminal 300 includes:
an establishing module 301, configured to establish a location update failure list including a first cell when a number of times of a first location update failure initiated by a mobile terminal in the first cell of a current location area exceeds a preset threshold;
a determining module 302, configured to determine whether a second cell exists in the location update failure list if it is detected that the second cell exists in the current location area;
a first location updating module 303, configured to initiate a second location update in the second cell when the second cell is not in the location update failure list.
Further, on the basis of fig. 3, the mobile terminal 300 further includes:
a start timer module 304, configured to start a location update timer when the second cell is in the location update failure list;
the second location updating module 305 initiates a third location update in the second cell when the location update failure timer times out.
A clearing module 306, configured to clear the location update failure list when the second location update or the third location update is successful.
The establishing module 301 includes:
a determining unit 3011, configured to determine a reason for a failure of updating a first location of the mobile terminal when the number of times of failure of updating the first location initiated in a first cell of the current location area exceeds a preset threshold;
an establishing unit 3012, configured to establish a location update failure list including the first cell when a reason for the first location update failure is an access stratum failure.
In the mobile terminal provided in the embodiment of the present invention, through the above module, when a cell with a weak signal in a current location area of the mobile terminal fails to perform location update and the number of failures exceeds a preset threshold, a location update failure list including the cell is established, and it is determined whether the current mobile terminal enters a new cell in the same location area or stays in a previous cell by determining whether the cell where the current mobile terminal is located is in the location update failure list, so that a location update is attempted to be initiated for the previous cell in the new cell or after a timer times out. When the mobile terminal moves to a new cell or the signal of the previous cell is possibly strengthened, the position updating is initiated at the moment, so that the problem that the mobile terminal does not have a network all the time because the mobile terminal cannot initiate the position updating in the same position area is solved.
Fourth embodiment
As shown in fig. 4, which is a block diagram of a mobile terminal according to an embodiment of the present invention, the mobile terminal 400 includes:
at least one processor 401, memory 402, at least one network interface 404, and a user interface 403. The various components in the mobile terminal 400 are coupled together by a bus system 405. It is understood that the bus system 405 is used to enable connection communication between these components. The bus system 405 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 405 in fig. 4.
The user interface 403 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.
It will be appreciated that memory 402 in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a Read-only memory (ROM), a programmable Read-only memory (PROM), an erasable programmable Read-only memory (erasabprom, EPROM), an electrically erasable programmable Read-only memory (EEPROM), or a flash memory. The volatile memory may be a Random Access Memory (RAM) which functions as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (staticiram, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (syncronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced synchronous SDRAM (ESDRAM), synchronous link SDRAM (SLDRAM), and direct memory bus SDRAM (DRRAM). The memory 402 of the systems and methods described in this embodiment of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 402 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 4021 and application programs 4022.
The operating system 4021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is configured to implement various basic services and process hardware-based tasks. The application 4022 includes various applications, such as a media player (MediaPlayer), a Browser (Browser), and the like, for implementing various application services. A program for implementing the method according to the embodiment of the present invention may be included in the application 4022.
In this embodiment of the present invention, by calling a program or an instruction stored in the memory 402, specifically, a program or an instruction stored in the application 4022, the processor 401 is configured to: when the number of times of failure of first location update initiated by a mobile terminal in a first cell of a current location area exceeds a preset threshold value, establishing a location update failure list containing the first cell; if the current position area is detected to have a second cell, judging whether the second cell is in the position updating failure list or not; initiating a second location update in the second cell when the second cell is not in the location update failure list.
The method disclosed in the above embodiments of the present invention may be applied to the processor 401, or implemented by the processor 401. The processor 401 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 401. The processor 401 may be a general-purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, or discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 402, and the processor 401 reads the information in the memory 402 and completes the steps of the method in combination with the hardware.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described in this disclosure may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described in this disclosure. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Optionally, the processor 401 is configured to: when the number of times of failure of first location update initiated by a mobile terminal in a first cell of a current location area exceeds a preset threshold value, judging the reason of the failure of the first location update; when the reason for the first location update failure is an access stratum failure, establishing a location update failure list containing the first cell.
Optionally, the processor 401 is configured to: starting a location update timer when the second cell is in the location update failure list; and when the location updating failure timer is overtime, initiating third location updating in the second cell.
Optionally, the processor 401 is further configured to: and clearing the location updating failure list when the second location updating or the third location updating is successful.
The mobile terminal 400 can implement the processes implemented by the mobile terminal in the foregoing embodiments, and in order to avoid repetition, the detailed description is omitted here.
In the mobile terminal provided in the embodiment of the present invention, through the above module, when a cell with a weak signal in a current location area of the mobile terminal fails to perform location update and the number of failures exceeds a preset threshold, a location update failure list including the cell is established, and it is determined whether the current mobile terminal enters a new cell in the same location area or stays in a previous cell by determining whether the cell where the current mobile terminal is located is in the location update failure list, so that a location update is attempted to be initiated for the previous cell in the new cell or after a timer times out. When the mobile terminal moves to a new cell or the signal of the previous cell is possibly strengthened, the position updating is initiated at the moment, so that the problem that the mobile terminal does not have a network all the time because the mobile terminal cannot initiate the position updating in the same position area is solved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A method for updating a location is applied to a mobile terminal, and is characterized by comprising the following steps:
when the number of times of failure of first location update initiated by a mobile terminal in a first cell of a current location area exceeds a preset threshold value, establishing a location update failure list containing the first cell;
if the current position area is detected to have a second cell, judging whether the second cell is in the position updating failure list or not;
initiating a second location update in the second cell when the second cell is not in the location update failure list;
wherein the location update failure list comprises one or more cells failing in location update in the same location area;
when the number of times of failure of the first location update initiated by the mobile terminal in the first cell of the current location area exceeds a preset threshold, the step of establishing the location update failure list including the first cell comprises:
when the number of times of failure of first location update initiated by a mobile terminal in a first cell of a current location area exceeds a preset threshold value, judging the reason of the failure of the first location update;
when the reason for the first location update failure is an access stratum failure, establishing a location update failure list containing the first cell.
2. The method of claim 1, further comprising:
starting a location update timer when the second cell is in the location update failure list;
initiating a third location update in the second cell when the location update timer times out.
3. The method of claim 2, wherein the step of initiating a third location update in the second cell after the step of initiating a third location update in the second cell when the location update timer expires comprises:
and clearing the location updating failure list when the third location updating is successful.
4. The method of claim 1, wherein when the second cell is not in the location update failure list, after the second cell initiates a second location update, the method further comprises:
and clearing the location updating failure list when the second location updating is successful.
5. A mobile terminal, comprising:
the mobile terminal comprises an establishing module, a judging module and a judging module, wherein the establishing module is used for establishing a position updating failure list containing a first cell when the number of times of first position updating failure initiated by the mobile terminal in the first cell of a current position area exceeds a preset threshold;
a determining module, configured to determine whether a second cell is in the location update failure list if it is detected that the second cell exists in the current location area;
a first location update module to initiate a second location update in the second cell when the second cell is not in the location update failure list,
wherein the location update failure list comprises one or more cells failing in location update in the same location area;
the establishing module comprises:
the mobile terminal comprises a judging unit, a judging unit and a judging unit, wherein the judging unit is used for judging the reason of the failure of the first position updating when the failure times of the first position updating initiated by the mobile terminal in a first cell of a current position area exceeds a preset threshold value;
and an establishing unit, configured to establish a location update failure list including the first cell when a cause of the first location update failure is an access stratum failure.
6. The mobile terminal of claim 5, further comprising:
a timer starting module, configured to start a location update timer when the second cell is in the location update failure list;
and the second location updating module initiates a third location update in the second cell when the location update timer is timed out.
7. The mobile terminal of claim 6, further comprising:
and the clearing module is used for clearing the location updating failure list when the third location updating is successful.
8. The mobile terminal of claim 5, further comprising:
and the clearing module is used for clearing the location updating failure list when the second location updating is successful.
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| CN104081826A (en) * | 2012-03-16 | 2014-10-01 | Lg电子株式会社 | Method and apparatus for processing NAS signaling request in wireless communication system |
| CN105357053A (en) * | 2015-11-24 | 2016-02-24 | 广东欧珀移动通信有限公司 | Network communication functional abnormity processing method, application processor and user terminal |
| CN105491604A (en) * | 2015-11-24 | 2016-04-13 | 广东欧珀移动通信有限公司 | Network communication function abnormality processing method, modulator-demodulator and user terminal |
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