CN115707048A - Network access mode switching method and device, storage medium and electronic equipment - Google Patents
Network access mode switching method and device, storage medium and electronic equipment Download PDFInfo
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- H—ELECTRICITY
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- H04W36/00—Hand-off or reselection arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
- H04W36/1443—Reselecting a network or an air interface over a different radio air interface technology between licensed networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/36—Reselection control by user or terminal equipment
- H04W36/362—Conditional handover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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Abstract
The application provides a network access mode switching method, a network access mode switching device, a computer readable storage medium and an electronic device, relates to the technical field of wireless communication, is applied to a terminal device, and comprises the following steps: when the timer corresponding to the 4G access mode is triggered to take effect, the 4G access mode is forbidden; and if the preset parameter value in the terminal equipment is detected to meet the effective condition, the timer is forbidden and the 4G access mode is started. Therefore, the timer can be controlled by the preset parameter value configured in the terminal device, when the timer is triggered to take effect but the preset parameter value meets the effective condition, the disablement of the 4G access mode can be removed, so that the terminal device can access the 4G network based on the 4G access mode, and the problem of voice service failure caused by the fact that any network cannot be accessed is avoided.
Description
Technical Field
The present application relates to the field of wireless communication technologies, and in particular, to a network access mode switching method, a network access mode switching apparatus, a computer-readable storage medium, and an electronic device.
Background
A user can use a terminal device to communicate with a base station, wherein the base station can be a 4G base station or a 5G base station, and if the terminal device can establish connection with the 5G base station, the communication can be realized by using a 5G network; if the terminal equipment establishes connection with the 4G base station, the 4G network can be used for realizing communication.
However, in practical applications, the 5G network itself does not support voice services (i.e., voLTE services), and the voice services need to be implemented by falling back to the 4G network according to an Evolved Packet System (EPS fall) mode. Based on that the terminal device accesses the 4G network, if the terminal device is in a region with poor signals and cannot connect to the 4G network for many times, the disabling timer is triggered to start timing, and during the timing process, the terminal device disables the 4G network and searches for the 5G network, and after the 5G network is searched and accessed, the voice service can be executed according to an Evolved Packet System Fallback (EPS Fallback) mode.
In the process that the terminal equipment disables the 4G network and does not search the 5G network, the terminal equipment searches the 2G/3G network, and if the search fails, the voice service fails.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present application and therefore may include information that does not constitute prior art known to a person of ordinary skill in the art.
Disclosure of Invention
The application aims to provide a network access mode switching method, a network access mode switching device, a computer readable storage medium and an electronic device, which can realize the control of a timer through a preset parameter value configured in a terminal device, and can remove the forbidding of a 4G access mode when the timer is triggered to take effect but the preset parameter value meets an effective condition, so that the terminal device can access a 4G network based on the 4G access mode, and the problem of voice service failure caused by the fact that any network cannot be accessed is avoided.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
According to an aspect of the present application, a method for switching a network access mode is provided, which is applied to a terminal device, and the method includes:
when the timer corresponding to the 4G access mode is triggered to take effect, the 4G access mode is forbidden;
and if the preset parameter value in the terminal equipment is detected to meet the effective condition, the timer is forbidden and the 4G access mode is started.
In an exemplary embodiment of the present application, after disabling the 4G access mode and before detecting that the preset parameter value in the terminal device satisfies the validation condition, the method further includes:
sending a first registration message to the 5G base station, so that the 5G base station forwards the first registration message to the 5G mobile management network element; the first registration message is used for representing that the terminal equipment does not support a 4G access mode;
receiving a first feedback message sent by a 5G mobility management network element; the first feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is not supported;
disabling the 5G access mode, and querying the 2G network and the 3G network;
and if the query fails, starting the 5G access mode and determining a preset parameter value.
In an exemplary embodiment of the present application, after the 4G access mode is started, the method further includes:
sending a second registration message to the 5G base station, so that the 5G base station forwards the second registration message to the 5G mobility management network element; the second registration message is used for representing that the terminal equipment supports a 4G access mode;
receiving a second feedback message sent by the 5G mobility management network element; the second feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is supported.
In an exemplary embodiment of the present application, the method further includes:
when detecting that the preset parameter value is equal to the first numerical value, judging that the preset parameter value meets an effective condition;
and when the preset parameter value is detected to be equal to the second value, judging that the preset parameter value does not meet the effective condition.
In an exemplary embodiment of the present application, after the 4G access mode is started, the method further includes:
if the 4G network is switched to the 5G network, the preset parameter value is reset to a second value from a first value.
In an exemplary embodiment of the present application, before detecting that a preset parameter value in a terminal device satisfies an effective condition, the method further includes:
and inquiring the preset parameters stored in the terminal equipment, and acquiring the preset parameter values corresponding to the preset parameters.
In an exemplary embodiment of the present application, after disabling the timer, the method further includes:
when the timer is triggered again, resetting the forbidden duration corresponding to the timer to a preset value and timing based on the reset timer;
and if the preset parameter value is detected not to meet the effective condition, the 4G access mode is forbidden until the accumulated timing duration reaches the threshold value.
According to an aspect of the present application, there is provided a network access mode switching apparatus, including:
the disabling unit is used for disabling the 4G access mode when the timer corresponding to the 4G access mode is triggered to take effect;
the disabling unit is also used for disabling the timer when detecting that the preset parameter value in the terminal equipment meets the effective condition;
and the starting unit is used for starting the 4G access mode.
In an exemplary embodiment of the present application, the apparatus further includes:
a message sending unit, configured to send a first registration message to the 5G base station after the disabling unit disables the 4G access mode and before it is detected that a preset parameter value in the terminal device meets an effective condition, so that the 5G base station forwards the first registration message to the 5G mobility management network element; the first registration message is used for representing that the terminal equipment does not support a 4G access mode;
a message receiving unit, configured to receive a first feedback message sent by a 5G mobility management network element; the first feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is not supported;
a disabling unit, further configured to disable the 5G access mode;
the query unit is used for querying the 2G network and the 3G network;
and the starting unit is also used for starting the 5G access mode and determining a preset parameter value after the query of the query unit fails.
In an exemplary embodiment of the present application, the message sending unit is further configured to send a second registration message to the 5G base station after the starting unit starts the 4G access mode, so that the 5G base station forwards the second registration message to the 5G mobility management network element; the second registration message is used for representing that the terminal equipment supports a 4G access mode;
the message receiving unit is further configured to receive a second feedback message sent by the 5G mobility management network element; the second feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is supported.
In an exemplary embodiment of the present application, the apparatus further includes:
the validation judging unit is used for judging that the preset parameter value meets the validation condition when detecting that the preset parameter value is equal to the first numerical value; and when the preset parameter value is detected to be equal to the second value, judging that the preset parameter value does not meet the effective condition.
In an exemplary embodiment of the present application, the apparatus further includes:
and the resetting unit is used for resetting the preset parameter value from the first numerical value to the second numerical value if the 4G network is switched to the 5G network after the starting unit starts the 4G access mode.
In an exemplary embodiment of the present application, the apparatus further includes:
and the acquisition unit is used for inquiring the preset parameters stored in the terminal equipment before the forbidding unit detects that the preset parameter values in the terminal equipment meet the effective conditions, and acquiring the preset parameter values corresponding to the preset parameters.
In an exemplary embodiment of the application, the resetting unit is further configured to, after the disabling unit disables the timer, reset a disabling duration corresponding to the timer to a preset value and count time based on the reset timer when the timer is triggered again;
and the forbidding unit is further used for forbidding the 4G access mode until the accumulated timing duration reaches the threshold when detecting that the preset parameter value does not meet the effective condition.
According to an aspect of the present application, there is provided an electronic apparatus including: a processor; and a memory for storing executable instructions for the processor; wherein the processor is configured to perform the method of any of the above via execution of the executable instructions.
According to an aspect of the application, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of any one of the above.
According to an aspect of the application, a computer program product or computer program is provided, comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device executes the method provided in the various alternative implementations described above.
The exemplary embodiments of the present application may have some or all of the following advantages:
in the network access mode switching method provided by an example embodiment of the present application, specifically, the terminal device may disable the 4G access mode when a timer corresponding to the 4G access mode is triggered to take effect; and when detecting that the preset parameter value in the terminal equipment meets the effective condition, forbidding the timer and starting the 4G access mode. According to the above technical description, in one aspect of the present application, the timer may be controlled by a preset parameter value configured in the terminal device, and when the timer is triggered to take effect but the preset parameter value meets an effective condition, the disabling of the 4G access mode may be removed, so that the terminal device may access the 4G network based on the 4G access mode, and a problem of voice service failure caused by failing to access any network is avoided. On the other hand, the forbidding of the 4G access mode can be timely removed based on the effective preset parameter values, and the problem of excessive power consumption caused by frequent attempts to access the 4G network due to access failure of the terminal equipment is avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 illustrates a schematic structural diagram of a computer system suitable for use in implementing a terminal device of an embodiment of the present application;
fig. 2 schematically shows a flow chart of a network access mode switching method according to an embodiment of the application;
fig. 3 schematically shows a flow chart of a network access mode switching method according to another embodiment of the present application;
fig. 4 schematically shows a sequence diagram of a network access mode switching method according to an embodiment of the application;
fig. 5 schematically shows a block diagram of a network access mode switching apparatus according to an embodiment of the present application.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present application.
Furthermore, the drawings are merely schematic illustrations of the present application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
Fig. 1 shows a schematic structural diagram of a computer system suitable for implementing a terminal device of an embodiment of the present application.
It should be noted that the computer system 100 of the terminal device shown in fig. 1 is only an example, and should not bring any limitation to the functions and the application scope of the embodiments of the present application.
As shown in fig. 1, the computer system 100 includes a Central Processing Unit (CPU) 101 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 102 or a program loaded from a storage section 108 into a Random Access Memory (RAM) 103. In the RAM 103, various programs and data necessary for system operation are also stored. The CPU 101, ROM 102, and RAM 103 are connected to each other via a bus 104. An input/output (I/O) interface 105 is also connected to bus 104.
The following components are connected to the I/O interface 105: an input portion 106 including a keyboard, a mouse, and the like; an output section 107 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage section 108 including a hard disk and the like; and a communication section 109 including a network interface card such as a LAN card, a modem, or the like. The communication section 109 performs communication processing via a network such as the internet. A drive 110 is also connected to the I/O interface 105 as needed. A removable medium 111 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 110 as necessary, so that a computer program read out therefrom is mounted into the storage section 108 as necessary.
In particular, the processes described below with reference to the flow diagrams may be implemented as computer software programs, according to embodiments of the application. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer-readable medium, the computer program comprising program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 109, and/or installed from the removable medium 111. The computer program performs various functions defined in the method and apparatus of the present application when executed by a Central Processing Unit (CPU) 101.
When the network coverage or configuration is abnormal, the terminal device usually cannot normally camp on an LTE (Long Term Evolution) network. For example: in a certain LTE cell, when a terminal initiates an Attach Area Update (Attach) or Tracking Area Update (TAU), in a random access process, because a certain msg message (such as msg2 message) of a network response cannot be received, the terminal may be influenced to normally reside in the LTE network; for another example, after the Radio Resource Control (RRC) connection is established through random access, the LTE network does not continue to initiate subsequent operations such as authentication but directly releases the RRC connection, which may affect the terminal to normally reside in the LTE network; if the terminal repeatedly initiates Attach or TAU due to the above abnormal conditions, the number of failures reaches 5 times, and then the timer corresponding to the 4G access mode is started under the condition that the starting condition is met. After the timer corresponding to the 4G access mode is started, the LTE network can be recovered only after the timer is overtime. Before the timer is overtime, the terminal equipment cannot execute the voice service, so that inconvenience is brought to users.
In order to solve the problem, the embodiment of the present application discloses a network access mode switching method based on the terminal device system shown in fig. 1. As shown in fig. 2, the network access mode switching method may be applied to a terminal device, and includes: step S210 to step S220.
Step S210: and when the timer corresponding to the 4G access mode is triggered to take effect, the 4G access mode is disabled.
Step S220: and if the preset parameter value in the terminal equipment is detected to meet the effective condition, the timer is forbidden and the 4G access mode is started.
It should be noted that the technical solution of the present application can be applied to various communication systems, for example: global System for Mobile communications (GSM), code Division Multiple Access (CDMA), wideband Code Division Multiple Access (WCDMA), general Packet Radio Service (GPRS), long Term Evolution (Long Term Evolution), and so on.
Next, the above-described steps of the present exemplary embodiment will be described in more detail.
Before step S210, the terminal device may receive a system version update request, and when the terminal device detects that the operation is accepted, the terminal device may respond to the system version update request, thereby implementing the system version of the terminal device. The updated system version comprises preset parameters (EnablT 3402 EarlyStop) of configuration; the preset parameter (EnableT 3402 EarlyStop) may include a plurality of states, and the plurality of states may be represented by different preset parameter values, and the present application does not limit the types of the states.
Preferably, the preset parameter (EnableT 3402 EarlyStop) may include two states, i.e., an active state and a disabled state. Wherein the enabled state may be represented by a first value (e.g., 1) and the disabled state may be represented by a second value (e.g., 2). Based on this, the above method further comprises: when detecting that the preset parameter value is equal to the first numerical value, judging that the preset parameter value meets an effective condition; and when the preset parameter value is detected to be equal to the second value, judging that the preset parameter value does not meet the effective condition. When the parameter value needs to be described, the preset parameter value may be set by an operator.
Based on this, in step S210, the timer corresponding to the 4G access mode may be represented as a T3402 timer, the timing manner of the T3402 timer is a countdown, the T3402 timer corresponds to a preset time length (e.g., 12 min), when the timer is triggered to take effect, the terminal device may disable its 4G access mode (S1-mode), and the terminal device after disabling the 4G access mode does not have the 4G access capability (E-UTRA capability).
Before step S220 detects that the preset parameter value in the terminal device satisfies the validation condition, the method further includes: and inquiring the preset parameter (EnablT 3402 EarlyStop) stored in the terminal equipment, and acquiring the preset parameter value corresponding to the preset parameter (EnablT 3402 EarlyStop). The preset parameter (EnableT 3402 earlstop) is stored in a Mobile Equipment (ME) or a Universal Subscriber Identity Module (USIM) associated with the terminal Equipment.
Further, step S220 may be executed, in step S220, if it is detected that the preset parameter value (e.g., 1 or 0) in the terminal device satisfies the validation condition; the validation condition may be represented by a numerical value (e.g., 1). When the preset parameter value is consistent with the value in the effective condition, it can be determined that the preset parameter value meets the effective condition. Under the condition that the preset parameter value meets the effective condition, the terminal device can disable the timer and start the 4G access mode, and the terminal device after the 4G access mode is started has the 4G access capability (E-UTRA capability).
Further, after disabling the timer, the method further includes: when the timer is triggered again, resetting the forbidden duration corresponding to the timer to a preset value (e.g., 12 min) and timing based on the reset timer; and if the preset parameter value is detected not to meet the effective condition, forbidding the 4G access mode until the accumulated timing duration reaches the threshold. The specific implementation of timing based on the reset timer is as follows: the preset value is counted down based on the timer.
It can be seen that, by implementing the method shown in fig. 2, the disablement of the 4G access mode can be removed, so that the terminal device can access the 4G network based on the 4G access mode, thereby avoiding the problem of voice service failure caused by incapability of accessing any network. In addition, the forbidden use of the 4G access mode can be timely removed based on the effective preset parameter values, and the problem of excessive power consumption caused by frequent attempts to access the 4G network due to access failure of the terminal equipment is avoided.
On the basis of fig. 2, as shown in fig. 3, another network access mode switching method may be implemented, which specifically includes: step S310 to step S380.
Step S310: and when the timer corresponding to the 4G access mode is triggered to take effect, disabling the 4G access mode.
Step S320: sending a first registration message to the 5G base station, so that the 5G base station forwards the first registration message to the 5G mobile management network element; the first registration message is used for representing that the terminal equipment does not support the 4G access mode.
Step S330: receiving a first feedback message sent by a 5G mobile management network element; the first feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is not supported.
Step S340: the 5G access mode is disabled and the 2G network and the 3G network are queried.
Step S350: and if the query fails, starting the 5G access mode and determining a preset parameter value.
Step S360: and if detecting that the preset parameter value in the terminal equipment meets the effective condition, disabling the timer and starting the 4G access mode.
Step S370: sending a second registration message to the 5G base station, so that the 5G base station forwards the second registration message to the 5G mobility management network element; and the second registration message is used for representing that the terminal equipment supports the 4G access mode.
Step S380: receiving a second feedback message sent by the 5G mobility management network element; the second feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is supported.
Next, the above-described steps of the present exemplary embodiment will be described in more detail.
Specifically, the 5G base station (gNB) may serve as a relay station to forward a message sent by the terminal device to the 5G mobility management network, and the 5G mobility management network element belongs to a 5G core network. When the timer corresponding to the 4G access mode is triggered to take effect, the 4G access mode may be disabled and registered with the 5G network. The 5G mobility management element may feed back, to the terminal device, the first feedback message indicating that the voice service corresponding to the 3GPP protocol is not supported, that is, it may be understood that the EPS Fallback cannot be implemented currently. Based on this, the terminal device may search for the 2G network and the 3G network, and if the 2G network and the 3G network cannot be searched, the 5G access mode (N1-mode) may be restarted and whether the preset parameter value is the first value (e.g., 1) is detected, and if yes, it is determined that the preset parameter value satisfies the effective condition. And further, the timer can be disabled and the 4G access mode can be started to access the 4G network.
In addition, the 3GPP protocol in step S380 described above is used to characterize a wireless communication industry specification. After step S380, the method may further include: after switching from the 4G network to the 5G network, the preset parameter value is reset from a first value (e.g., 1) to a second value (e.g., 0), and if the preset parameter value =0, the preset parameter is temporarily disabled.
It can be seen that, by implementing the method shown in fig. 3, the disablement of the 4G access mode can be removed, so that the terminal device can access the 4G network based on the 4G access mode, and the problem of voice service failure caused by the inability to access any network is avoided. In addition, the forbidding of the 4G access mode can be timely removed based on the effective preset parameter values, and the problem of excessive power consumption of the terminal equipment which frequently attempts to access the 4G network due to access failure is avoided.
As shown in fig. 4, a parallel network access mode switching method can be implemented based on fig. 3, where one scheme includes step S410, and the other scheme includes step S421 to step S427.
Step S410: and when the timer corresponding to the 4G access mode is triggered to take effect, the terminal equipment (UE) forbids the 4G access mode, and if the preset parameter value in the terminal equipment is detected to meet the effective condition, the timer is forbidden and the 4G access mode is started.
Step S421: when a timer corresponding to the 4G access mode is triggered to take effect, the terminal equipment (UE) forbids the 4G access mode and sends a first registration message to a RAN network element; the first registration message is used for representing that the terminal equipment does not support the 4G access mode.
Step S422: the RAN network element forwards the first registration message.
Step S423: and the AMF network element sends a first feedback message for indicating that the voice service corresponding to the 3GPP protocol is not supported.
Step S424: and the terminal equipment (UE) forbids the 5G access mode, inquires the 2G network and the 3G network, if the inquiry fails, starts the 5G access mode and determines a preset parameter value, and if the preset parameter value in the terminal equipment is detected to meet an effective condition, forbids a timer and starts the 4G access mode.
Step S425: the terminal equipment (UE) sends a second registration message to the RAN network element.
Step S426: the RAN network element forwards the second registration message.
Step S427: and the AMF network element sends a second feedback message for indicating that the voice service corresponding to the 3GPP protocol is supported.
The above steps of the present exemplary embodiment will be described in more detail below.
In an embodiment, in step S410, when a T3402 timer corresponding to the 4G Access mode is triggered to take effect, a terminal device (User Equipment, UE) may disable S1-mode, and if "enabler T3402 earlstop" =1 in the terminal device is detected, disable the T3402 timer and start S1-mode, so that the terminal device (UE) may establish a connection with an E-UTRA (Evolved UMTS Terrestrial Radio Access Network) Network element, and further perform session message transmission based on the 4G Network based on the E-UTRA Network element and an MME (Mobility Management Entity) Network element, thereby completing the voice service. The E-UTRAN is an evolved UMTS terrestrial radio access network, i.e., a mobile communication radio network in LTE, and the MME is a key control node of a 3GPP protocol LTE access network, and is responsible for positioning, paging process, and relaying of idle mode terminal equipment (UE), and may also be generally denoted as a 4G mobility management entity.
In another embodiment, for steps S421 to S427, the terminal device (UE) may disable S1-mode when the T3402 timer corresponding to S1-mode is triggered to take effect, and send a first registration message to a RAN network element (corresponding to the above-mentioned 5G base station) appearing as a radio access network entity, where the first registration message may also be represented as a 5G MM capability information element, and the specific content "S1 mode not supported" is contained in the information element, so that the first registration message is used to characterize that the terminal device does not support the 4G access mode. Furthermore, after receiving the first registration message, the RAN network element may forward the first registration message to an AMF network element for implementing a mobility management function. The AMF network element, upon receiving the first registration message, may generate a corresponding first feedback message and feed back the first feedback message to the terminal equipment (UE), where the first feedback message may include a specific character that characterizes that the voice service based on the 3GPP protocol is not supported. Based on this, the terminal device (UE) may disable the 5G access mode (N1-mode), query the 2G network and the 3G network, if the query fails, it indicates that there are no network elements related to the 2G network and the 3G network set by the operator nearby, then the terminal device (UE) may restart the N1-mode and determine the preset parameter value, and if the preset parameter value is 1, disable the T3402 timer and start the S1-mode. Furthermore, the terminal device (UE) may resend a second registration message to the RAN network element, where the second registration message may also be represented as a 5G MM capability information element, and the information element includes specific content "S1 mode supported" so that the second registration message is used to characterize that the terminal device supports the 4G access mode. The RAN network element may forward the second registration message to the AMF network element after receiving the second registration message, and the AMF network element may generate a corresponding second feedback message and feed the second feedback message back to the terminal device (UE) after receiving the second registration message. Based on this, the terminal equipment (UE) can establish a connection with an E-UTRA (Evolved UMTS Terrestrial Radio Access Network) Network element, and then perform session message transmission based on a 4G Network with an MME (Mobility Management Entity) Network element based on the E-UTRA Network element, thereby completing the voice service.
It should be noted that, in fig. 4, the RAN network element and the AMF network element belong to a 5G network element, and the E-UTRA network element and the MME network element belong to a 4G network element.
It can be seen that, by implementing the method shown in fig. 4, the disablement of the 4G access mode can be removed, so that the terminal device can access the 4G network based on the 4G access mode, and the problem of voice service failure caused by the inability to access any network is avoided. In addition, the forbidding of the 4G access mode can be timely removed based on the effective preset parameter values, and the problem of excessive power consumption of the terminal equipment which frequently attempts to access the 4G network due to access failure is avoided.
As shown in fig. 5, fig. 5 implements a network access mode switching apparatus corresponding to fig. 2. The network access mode switching apparatus 500 includes: a disabling unit 501 and an enabling unit 502.
A disabling unit 501, configured to disable the 4G access mode when a timer corresponding to the 4G access mode is triggered to take effect;
the disabling unit 501 is further configured to disable the timer when detecting that the preset parameter value in the terminal device meets an effective condition;
a starting unit 502, configured to start the 4G access mode.
It can be seen that, by implementing the apparatus shown in fig. 5, the disablement of the 4G access mode can be released, so that the terminal device can access the 4G network based on the 4G access mode, thereby avoiding the problem of voice service failure caused by failing to access any network. In addition, the forbidden use of the 4G access mode can be timely removed based on the effective preset parameter values, and the problem of excessive power consumption caused by frequent attempts to access the 4G network due to access failure of the terminal equipment is avoided.
In an exemplary embodiment of the present application, the apparatus further includes:
a message sending unit (not shown) configured to send a first registration message to the 5G base station after the disabling unit 501 disables the 4G access mode and before detecting that the preset parameter value in the terminal device satisfies the validation condition, so that the 5G base station forwards the first registration message to the 5G mobility management network element; the first registration message is used for representing that the terminal equipment does not support a 4G access mode;
a message receiving unit (not shown) for receiving a first feedback message sent by the 5G mobility management network element; the first feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is not supported;
a disabling unit 501, configured to disable the 5G access mode;
a querying unit (not shown) for querying the 2G network and the 3G network;
the starting unit 502 is further configured to start the 5G access mode and determine a preset parameter value after the query unit fails to query.
In an exemplary embodiment of the present application, the message sending unit is further configured to send a second registration message to the 5G base station after the starting unit 502 starts the 4G access mode, so that the 5G base station forwards the second registration message to the 5G mobility management network element; the second registration message is used for representing that the terminal equipment supports a 4G access mode;
the message receiving unit is further configured to receive a second feedback message sent by the 5G mobility management network element; the second feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is supported.
In an exemplary embodiment of the present application, the apparatus further includes:
an effective determination unit (not shown) for determining that the preset parameter value satisfies an effective condition when the preset parameter value is detected to be equal to the first value; and when the preset parameter value is detected to be equal to the second value, judging that the preset parameter value does not meet the effective condition.
In an exemplary embodiment of the present application, the apparatus further includes:
a resetting unit (not shown) configured to reset the preset parameter value from the first value to the second value if the 4G network is switched to the 5G network after the activating unit 502 activates the 4G access mode.
In an exemplary embodiment of the present application, the apparatus further includes:
an obtaining unit (not shown) configured to, before the disabling unit 501 detects that the preset parameter value in the terminal device meets the validation condition, query the preset parameter stored in the terminal device, and obtain the preset parameter value corresponding to the preset parameter.
In an exemplary embodiment of the present application, the resetting unit is further configured to, after the disabling unit 501 disables the timer, reset a disabling duration corresponding to the timer to a preset value when the timer is triggered again, and count time based on the reset timer;
the disabling unit 501 is further configured to disable the 4G access mode until the accumulated time duration reaches the threshold when it is detected that the preset parameter value does not satisfy the validation condition.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the application. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
As each functional module of the network access mode switching apparatus of the exemplary embodiment of the present application corresponds to the steps of the exemplary embodiment of the network access mode switching method, please refer to the above-mentioned embodiment of the network access mode switching method of the present application for details that are not disclosed in the embodiment of the apparatus of the present application.
As another aspect, the present application also provides a computer-readable medium, which may be contained in the electronic device described in the above embodiments; or may exist separately without being assembled into the electronic device. The computer readable medium carries one or more programs, which when executed by one of the electronic devices, cause the electronic device to implement the method described in the above embodiments.
It should be noted that the computer readable medium shown in the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present application may be implemented by software or hardware, and the described units may also be disposed in a processor. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A network access mode switching method is applied to a terminal device, and comprises the following steps:
when a timer corresponding to the 4G access mode is triggered to take effect, the 4G access mode is forbidden;
and if detecting that the preset parameter value in the terminal equipment meets the effective condition, forbidding the timer and starting the 4G access mode.
2. The method of claim 1, wherein after disabling the 4G access mode and before detecting that a preset parameter value in the terminal device satisfies an enabling condition, the method further comprises:
sending a first registration message to the 5G base station, so that the 5G base station forwards the first registration message to a 5G mobility management network element; wherein the first registration message is used for representing that the terminal equipment does not support the 4G access mode;
receiving a first feedback message sent by the 5G mobility management network element; the first feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is not supported;
disabling the 5G access mode, and querying the 2G network and the 3G network;
and if the query fails, starting the 5G access mode and determining the preset parameter value.
3. The method of claim 2, wherein after the 4G access mode is initiated, the method further comprises:
sending a second registration message to the 5G base station, so that the 5G base station forwards the second registration message to the 5G mobility management network element; wherein the second registration message is used for characterizing that the terminal device supports the 4G access mode;
receiving a second feedback message sent by the 5G mobility management network element; wherein, the second feedback message is used for indicating that the voice service corresponding to the 3GPP protocol is supported.
4. The method of claim 1, further comprising:
when the preset parameter value is detected to be equal to a first value, judging that the preset parameter value meets the effective condition;
and when the preset parameter value is detected to be equal to a second value, judging that the preset parameter value does not meet the effective condition.
5. The method of claim 4, wherein after the 4G access mode is initiated, the method further comprises:
if the 4G network is switched to the 5G network, resetting the preset parameter value from the first numerical value to the second numerical value.
6. The method according to claim 1, wherein before detecting that the preset parameter value in the terminal device satisfies the validation condition, the method further comprises:
and inquiring preset parameters stored in the terminal equipment, and acquiring the preset parameter values corresponding to the preset parameters.
7. The method of claim 1, wherein after disabling the timer, the method further comprises:
when the timer is triggered again, resetting the forbidden duration corresponding to the timer to a preset value and timing based on the reset timer;
and if the preset parameter value is detected not to meet the effective condition, forbidding the 4G access mode until the accumulated timing duration reaches a threshold value.
8. A network access mode switching apparatus, comprising:
the disabling unit is used for disabling the 4G access mode when a timer corresponding to the 4G access mode is triggered to take effect;
the disabling unit is further configured to disable the timer when detecting that a preset parameter value in the terminal device meets an effective condition;
and the starting unit is used for starting the 4G access mode.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of any one of claims 1 to 7.
10. An electronic device, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the method of any of claims 1-7 via execution of the executable instructions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110903670.4A CN115707048A (en) | 2021-08-06 | 2021-08-06 | Network access mode switching method and device, storage medium and electronic equipment |
| PCT/CN2022/107525 WO2023011226A1 (en) | 2021-08-06 | 2022-07-22 | Network access mode switching method and apparatus, and storage medium and electronic device |
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| CN202110903670.4A CN115707048A (en) | 2021-08-06 | 2021-08-06 | Network access mode switching method and device, storage medium and electronic equipment |
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| CN110662223A (en) * | 2018-06-29 | 2020-01-07 | 电信科学技术研究院有限公司 | Processing method and device of access control timer, terminal and network side equipment |
| US20210051530A1 (en) * | 2019-08-16 | 2021-02-18 | Apple Inc. | 5G NR Voice Call EPS Fallback Enhancements |
| CN113038513A (en) * | 2021-03-15 | 2021-06-25 | Oppo广东移动通信有限公司 | Method, terminal device and storage medium for independent networking weak coverage |
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