CN107182109B - Mobile network connection registration method, device and computer readable storage medium - Google Patents
Mobile network connection registration method, device and computer readable storage medium Download PDFInfo
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- CN107182109B CN107182109B CN201710583853.6A CN201710583853A CN107182109B CN 107182109 B CN107182109 B CN 107182109B CN 201710583853 A CN201710583853 A CN 201710583853A CN 107182109 B CN107182109 B CN 107182109B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a mobile network connection registration method, a mobile network connection registration device and a computer readable storage medium, relates to the technical field of mobile communication, and aims to solve the technical problem that a terminal cannot search for network connection again when a mobile network responds to a rejection message. The method comprises the following steps: after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list; searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell; and when the position area identifier, the routing area identifier or the tracking area identifier of the network area where the terminal is located is unchanged, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method and an apparatus for registering a mobile network connection, and a computer-readable storage medium.
Background
With the development of mobile communication technology and intelligent mobile terminal technology, the coverage area of a mobile network is wider and wider, and more users of the intelligent mobile terminal are provided. The network model of mobile networks has entered the 4G era from the 1G era, and the 5G era is coming, and 2G, 3G, and 4G networks are covered in many areas. The intelligent mobile terminal can be connected to 2G, 3G and 4G networks according to the user personality setting or the default network connection priority order, so that mobile network communication is realized. The high-level network mode is often defaulted to be the preferred connection, but sometimes a user finds that the mobile terminal is only registered on 3G or 2G, so that the internet surfing rate of the mobile terminal is greatly reduced, and the user experience is influenced. At present, the VOLTE network is also more and more popular, and if the mobile terminal can only register on 3G or 2G, the VOLTE phone can not be used. Obviously, it is difficult for the user to accept the existence of such a problem. On the other hand, with the continuous development and maturity of mobile terminal technology, the mobile terminal signal is more and more stable, and for the situation that the mobile terminal cannot register 4G or 3G/2G, the situation is generally caused by the incompleteness of the mobile network. Although the mobile network sometimes sends an erroneous signaling to the mobile terminal, so that the mobile terminal cannot register in 4G or 3G/2G, the network communication experience of the mobile terminal user is affected by the fact that the mobile network cannot register.
As shown in fig. 3, when the mobile network sends an erroneous signaling to the mobile terminal, after the mobile terminal receives the reject message returned by the mobile network and determines that reject _ cause is equal to 15, the LAI/RAI/TAI reported this time is added to the forbidden LAI/TAI/RAI Iist list; then the terminal restarts searching for a network, after searching for a network cell, the PHY layer reports cell _ id, frequency point information and LAI/RAI/TAI to the RRC layer, the RRC layer compares whether the reported LAI/RAI/TAI is contained in the forbidden list, and if not, the terminal performs a normal registration process; if the forbidden list contains the reported LAI/RAI/TAI, the RRC layer reports information to the NAS layer, and the NAS layer uses a low-priority Radio Access Technology (RAT) to search for the network again. After the low-priority RAT is successfully registered, when the mobile phone is in an idle state, a network cell reselection process is started, but the RRC layer determines whether a candidate cell of the high-priority RAT belongs to the forbidden list, and if so, terminates the cell reselection process.
For example, the terminal searches for a 4G mobile network, and after successfully camping in a 4G network cell, performs an attach procedure, but the mobile network replies an attach reject message untimely, and reject _ cause is 15; the terminal searches the 4G network again, but because the terminal does not move, the searched TAI of the 4G network cell belongs to a forbidden list, and the RRC layer reports no-service information to the NAS layer; the NAS layer will search for the 3G network again, and after the 3G network is successfully registered. The terminal is in an idle state, performs a network cell reselection process, and searches for a suitable 4G network cell, but if the RRC layer determines that the TAI of the 4G network cell is included in the forbidden list, the network cell reselection process is terminated, so that the terminal may register on the 3G network for a long time, which affects user experience.
Disclosure of Invention
The invention mainly aims to provide a mobile network connection registration method, a mobile network connection registration device and a computer readable storage medium, and aims to solve the technical problem that a terminal cannot search for network connection again when a mobile network responds to a rejection message.
In order to achieve the above object, the present invention provides a mobile network connection registration method, which includes the following steps:
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
When the location area identifier, the routing area identifier or the tracking area identifier of the network area where the terminal is located is unchanged, determining whether the forbidden cell list includes the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request to connect the mobile network by using the network mode, and further before the step of receiving a rejection message replied by the mobile network, the method further comprises:
and searching the mobile network by using the wireless access technology corresponding to the highest priority network mode or the preset network mode, residing in the current network cell and initiating a registration request to the mobile network.
Further, after the step of determining whether the forbidden cell list includes the second cell identifier and the second frequency point information, the method further includes: and when the forbidden cell list comprises the second cell identification and the second frequency point information, adopting a wireless access technology of a next priority network mode to search the mobile network again.
Further, after the step of re-searching the mobile network by the radio access technology adopting the next priority network mode, the method further comprises:
and residing in a network cell corresponding to the next priority network mode and reinitiating a registration request to connect the mobile network.
Further, after the step of camping on the network cell corresponding to the next-priority network mode and reinitiating the registration request to connect to the mobile network, the method further includes: and when the mobile terminal is in an idle state, re-searching the mobile network by adopting the wireless access technology of the highest priority network mode so as to connect the mobile network corresponding to the highest priority network mode.
Further, the network modes include 2G, 3G, 4G, and 5G, and the network modes are prioritized as follows: 5G > 4G > 3G > 2G.
Further, the step of re-searching the mobile network by using the radio access technology of the next priority network mode specifically includes: and searching the mobile network again by using the wireless access technology of each priority network mode after the highest priority network mode in sequence so as to connect the mobile network.
Further, after the step of re-searching the mobile network for connecting to the mobile network by sequentially using the radio access technology of each priority network mode after the highest priority network mode, the method further comprises: and the mobile networks corresponding to all the network modes cannot register and connect, and no mobile network service is prompted.
Further, after the step of prompting no mobile network service when the mobile networks corresponding to all the network modes cannot register connection, the method further includes: when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located changes, the mobile network is searched again by utilizing the radio access technology of each priority network mode from the highest priority network mode again so as to connect the mobile network.
In another aspect of the present invention, to achieve the above object, the present invention further provides a mobile network connection registration apparatus, including: a memory, a processor and a network connection registration program stored on the memory and executable on the processor, the network connection registration when executed by the processor implementing the steps of the mobile network connection registration method as follows:
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
searching the mobile network by using a wireless access technology corresponding to a highest priority network mode or a preset network mode, residing in a current network cell and initiating a registration request to the mobile network;
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
judging whether the forbidden cell list comprises the second cell identification and the second frequency point information:
if not, residing in the new network cell and reinitiating a registration request to connect the mobile network;
and if so, adopting the wireless access technology of the next priority network mode to search the mobile network again.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
and residing in a network cell corresponding to the next priority network mode and reinitiating a registration request to connect the mobile network.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
and when the terminal is in an idle state, re-searching the mobile network by adopting the wireless access technology of the highest priority network mode so as to connect the mobile network corresponding to the highest priority network mode.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
and searching the mobile network again by using the wireless access technology of each priority network mode after the highest priority network mode in sequence so as to connect the mobile network.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
and the mobile networks corresponding to all the network modes cannot register and connect, and no mobile network service is prompted.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located changes, the mobile network is searched again by utilizing the radio access technology of each priority network mode from the highest priority network mode again so as to connect the mobile network.
In addition, to achieve the above object, the present invention also provides a computer readable storage medium having a network connection registration program stored thereon, where the network connection registration program, when executed by the processor, implements the steps of the above mobile network connection registration method.
The method, the device and the computer readable storage medium for registering mobile network connection provided by the present invention utilize the characteristic that the network area of the same location area identifier/routing area identifier/tracking area identifier (LAI/RAI/TAI) may contain multiple network cells, when receiving the reject (reject) message replied by the mobile network, instead of storing the location area identifier/routing area identifier/tracking area identifier (LAI/RAI/TAI) of the current network area to the forbidden network area list (forbidden LAI/TAI/RAI list), the cell identifier (cell _ id) and the point information (frequency _ info) of the network cell where the terminal currently resides are put into the forbidden cell list (forbidden cell list), and then the network is re-searched in the network mode of the same priority, under the condition of the same LAI/RAI/TAI, when the cell identifier (cell _ id) and the frequency point information (frequency _ info) corresponding to the new network cell are judged not to be in the forbidden cell list (forbidden cell list), the new network cell can stay in the new network cell and initiate a registration process. Therefore, the terminal can successfully register the high-priority mobile network again under the static condition, the probability that the terminal can successfully register the high-priority mobile network is greatly improved, the intelligent level of the terminal is improved, and the user experience is improved.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal according to various embodiments of the present invention;
fig. 2 is a diagram illustrating a mobile network system architecture according to an embodiment of the present invention;
fig. 3 is a block diagram of a processing flow after a mobile network reject message is received by a conventional terminal;
fig. 4 is a flowchart of a first mobile network connection registration method according to an embodiment of the present invention;
fig. 5 is a block diagram of a processing flow after a mobile network reject message is received by a terminal according to an embodiment of the present invention;
fig. 6 is a flowchart of a second mobile network connection registration method according to an embodiment of the present invention;
fig. 7 is a flowchart of a third mobile network connection registration method according to an embodiment of the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, an address book, etc.) created according to the use of the cellular phone, etc. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a mobile network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a mobile Network system according to an embodiment of the present invention, where the mobile Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (user Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Specifically, two processes are required for the mobile terminal to obtain a mobile network signal, one is a network searching process, and the process is only to select a proper network cell for residence; one is a registration process, which is a signaling interaction process between the mobile terminal and the mobile network, and through the signaling interaction, the mobile terminal can obtain the approval of the mobile network, and after the approval of the network is obtained, the mobile terminal can display a signal, and can perform functions such as conversation or internet surfing. The registration process comprises an ATTACH/LAU/RAU/TAU process, for 2/3G, an ATTACH process is to perform PS (packet data) domain registration, an LAU process is to perform CS (voice circuit) domain registration, and an RAU/LAU process is performed due to location area update in the mobile terminal moving process; for 4G, only the attach procedure is used, and the TAU procedure is performed when the location area is updated.
The initiation of the registration process is that the mobile terminal network sends a registration request, such as an attach _ request/location _ update _ request message, and the network responds to an accept message under normal conditions; however, under the condition that the mobile network is unstable, a reject message may be responded to the mobile terminal, the reject message carries a reject _ cause value, and when the reject message has a value of 15, the mobile terminal puts the LAI/TAI/RAI of the network cell where the mobile terminal resides into a forbidden LAI/TAI/RAI list; then, the mobile terminal searches for the network again according to the original RAT (radio access technology, referred to as LTE/WCDMA/TDSCDMA/GSM), and if the LAI/TAI/RAI of the network cell searched by the mobile terminal again is not changed, the registration cannot be successful. Generally, if the mobile terminal does not move, the LAI/TAI/RAI of the cell searched by the mobile terminal is in the original forbidden LAI/TAI/RAI list, so the mobile terminal cannot be successfully registered all the time; when the mobile terminal searches for a network again on the original RAT, but all network cells are in the original forbidden TAI, so that a suitable network cell cannot be searched on the original RAT, the mobile terminal uses other RATs with low priority to search for a network, and therefore, a situation that 4G registration is not available and only 3G registration is available occurs. For 2G, no service may occur if 2G registration fails, but 2G is the lowest priority.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the hardware structure of the mobile terminal 100, data such as audio, video, and pictures received and transmitted by the rf unit 101, the a/V input unit 104, or the WiFi module 102 may be stored in the memory 109, and the IP service 204 based on the mobile network system may obtain the data such as audio, video, and pictures from the internet or other network platforms. In addition, editing is performed on the display unit 106 of the mobile terminal through the user input unit 107, such as taking pictures or video data through a camera or a camcorder, or generating various texts and identification files through other functional programs integrated in the mobile terminal 100. These files such as pictures, videos, and texts are generally stored in different folders in the mobile terminal 100, and when editing processing is required, they are displayed in a list format on the display panel 1061, and are operated by the touch panel 1071 provided integrally with the display panel 1061 or by keys of the mobile terminal 100.
In view of the above technical problems, embodiments of the method of the present invention are provided based on the above mobile terminal hardware structure and mobile network system.
Example 1
To achieve the above object, as shown in fig. 4, the present invention provides a mobile network connection registration method, which includes the following steps:
s101, after a rejection message replied by a mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where a terminal resides in a forbidden cell list;
s102, searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
s103, when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
When the location area identifier, the routing area identifier or the tracking area identifier of the network area where the terminal is located is unchanged, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating the registration request so as to utilize the network mode to connect the mobile network, and after the terminal receives a rejection message replied by the mobile network due to the reason of the mobile network, storing the cell identifier and the frequency point information corresponding to the current network cell where the terminal resides in the forbidden cell list, namely, forbidding the current network cell of the same network mode in the network area, so as to avoid repeatedly initiating the registration request and waste system resources. When the Radio Access Technology (RAT) corresponding to the same network mode is used for searching the network again in the network area, other network cells corresponding to the same network mode in the network area can be searched, so that the terminal is registered in the network mode, and the network connection efficiency is improved.
The Cell identifier of the network Cell refers to LTE Physical Cell Identifier (PCI), GSM Cell ID (CI), and the like. Physical Cell Identity (PCI) is used to distinguish signals from different LTE cells, like PCS in UMTS. The Cell identity GSM Cell ID (CI) is the number of a Cell in the network, and is combined with the MCC, MNC and LAC numbers to obtain a Cell global identity, which is used to uniquely identify a certain Cell in the global domain.
Wherein, the frequency point information is a number of fixed frequency. In the GSM network, frequency points are used to designate the transmission frequency of the transceiver group instead of frequencies. For example, the following steps: a carrier is assigned a frequency point of 3, that is to say that the carrier will receive an upstream signal with a frequency of 890.4MHz and transmit a signal at a frequency of 935.4 MHz. The carrier point for transmitting control information is called a main frequency, namely BCCH; the frequency points used for transmitting voice and data information are called TCH frequency points, namely TCH.
As shown in fig. 4, when a terminal enters a location area identifier, a routing area identifier, and a tracking area identifier (LAI/RAI/TAI) of a certain network area, the terminal searches for a network and successfully resides in a network cell, the terminal initiates a registration process, and when an attach request message replied by a mobile network is received and a request _ cause is 15, the terminal adds a cell identifier (cell _ id) and frequency point information (frequency _ info) reported to the current network cell to a forbidden cell list; then, the terminal restarts searching for a network, after searching for a network cell, the PHY layer reports a corresponding cell identifier (cell _ id) and frequency point information to the RRC layer, and the RRC layer compares whether the reported cell identifier cell _ id and frequency point information are included in the forbidden cell list and does not determine LAI/RAI/TAI. If not, the terminal performs a normal registration process; if the forbidden list contains the reported cell identification cell _ id and frequency point information, the RRC layer reports the information to the NAS layer, and the NAS layer uses the radio access technology RAT with low priority to search for a new network. After the RAT of the low-priority network mode is successfully registered, when the terminal is in an idle state, a network cell reselection process is started, but the RRC layer determines whether a candidate cell of the RAT of the high-priority network mode belongs to a forbidden list, and if so, the cell reselection process is terminated.
Wherein, la (location area): the location area is the concept of circuit domain in GSM era and UMTS era and the hook of CS service, when the terminal registers to the network, the current registered location area can keep record in MSC/VLR, when the network calls the terminal, the network firstly finds the MSC/VLR where the terminal is located through HLR, then finds the LA location area where the terminal is located from MSC/VLR, and sends the paging message to all base stations in the LA location area. The division of the LA is determined according to the actual situation of the network, and in general, all cells under one BSC/RNC can be divided into one LAC.
Wherein, ra (routing area): routing area, and PS service hook, when CS and PS are concurrent, RA is used, not LA. The division of RA is subordinate to LA.
Among them, ta (tracking area), tracking area, and concept in LTE are the same in nature as LA. TA is the location area of the LTE packet domain. The LTE mainly adopts data service, when the network has downlink data, the PGW sends the data to the SGW, then the SGW triggers the MME to initiate paging, the MME searches a tracking area LIST TAI LIST where the UE is located, and then sends the paging to the terminal.
In essence, LA and TA are indistinguishable. In use, however, under LTE networks, the terminal is registered with a tracking area LIST TAI LIST, whereas in GSM or UMTS circuit domains, the terminal is registered with a location area LA.
The LA and the TA are also in contact, and sometimes, when the terminal supports joint attachment or location update, when the TA and the LA are in the same coverage, the terminal and the network both support joint attachment or location update, when the UE registers to the TA, the registration is also equivalent to the LA, and when the UE registers to the LA, the registration is also equivalent to the TA. Joint attach update requires support of SGs interfaces in MSC/VLR and MME. The method has the advantages of reducing repeated registration and reducing signaling in the core network.
As shown in fig. 5, another mobile network connection registration method provided by the present invention includes the following steps:
s201, searching the mobile network by using a wireless access technology corresponding to a highest priority network mode or a preset network mode, residing in a current network cell and initiating a registration request to the mobile network;
s202, after receiving a rejection message replied by the mobile network, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
s203, searching the mobile network again by adopting the wireless access technology of the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
s204, when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
When a terminal enters a certain network area, in order to realize mobile network connection, the terminal defaults to automatically perform a network searching process, a wireless access technology RAT with multiple network modes (2G, 3G and 4G) is integrated in the terminal, the mobile network searching is performed by using the wireless access technology RAT, generally, the highest priority is started, namely 4G is more than 3G and more than 2G, and a user can also define the priority order. After searching the network cell corresponding to the network mode, residing in the current network cell and initiating a registration request to the mobile network.
As shown in fig. 6, another mobile network connection registration method provided by the present invention includes the following steps:
s301, after receiving a rejection message replied by a mobile network, storing a first cell identifier and first frequency point information corresponding to a current network cell where a terminal resides in a forbidden cell list;
s302, searching the mobile network again by adopting the wireless access technology of the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
s303, when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and second frequency point information; s304, if not, residing in the new network cell and reinitiating a registration request to connect the mobile network;
and S305, if so, adopting the wireless access technology of the next priority network mode to search the mobile network again.
When the network mode of the first network search cannot be successfully registered, for example, the 4G network cannot be registered for connection, the terminal automatically performs the radio access technology RAT of the next priority network mode to perform the network search again, for example, the RAT of the 3G network performs the network search process.
Wherein after the step of re-searching the mobile network for the radio access technology in the next priority network mode, the method further comprises:
and residing in a network cell corresponding to the next priority network mode and reinitiating a registration request to connect the mobile network.
At this time, the terminal is not registered in the network mode with high priority, for example, if the 4G network registration connection fails, the terminal is successfully registered and connected in the 3G network, and the terminal adopts the 3G network for mobile network connection.
After the step of camping and reinitiating the registration request in the network cell corresponding to the next priority network mode to connect to the mobile network, the method further includes: and when the terminal is in an idle state, re-searching the mobile network by adopting the wireless access technology of the highest priority network mode so as to connect the mobile network corresponding to the highest priority network mode.
The idle state of the terminal means that the mobile station is always receiving the system broadcast message, and no call is made. If the terminal is currently connected to the 3G network, the cell reselection process is performed when the terminal is in an idle state, and a suitable 4G network cell is searched, but the RRC may determine whether a candidate cell of the RAT of the 4G network belongs to a forbidden cell list, and if so, terminate the cell reselection process. If not, the terminal initiates a registration request to the 4G network again.
The network modes comprise 2G, 3G, 4G and 5G, and the network modes are prioritized as follows: 5G > 4G > 3G > 2G. The existing terminal is generally integrated with 2G, 3G and 4G, a downward compatible mode is generally adopted, and 5G is not used in operation but is already in an operation preparation stage.
Wherein the step of re-searching the mobile network using the radio access technology of the next priority network mode specifically includes: and searching the mobile network again by using the wireless access technology of each priority network mode after the highest priority network mode in sequence so as to connect the mobile network.
In general, the terminal default network mode is prioritized as follows: 5G > 4G > 3G > 2G; that is, the network mode appearing later is generally compatible with the previous network mode, and when the terminal performs network connection registration, the priority ranking is installed and the RAT of each network mode is adopted in turn to perform network connection registration until the terminal successfully performs network connection registration to the mobile network.
Wherein after the step of re-searching the mobile network to connect to the mobile network by sequentially using the radio access technology of each priority network mode after the highest priority network mode, the method further comprises: and the mobile networks corresponding to all the network modes cannot register and connect, and no mobile network service is prompted.
When the location of the terminal is not changed, that is, the network area where the terminal is located is not changed, the location area identifier, the routing area identifier, and the tracking area identifier (LAI/RAI/TAI) are not changed, all network modes perform a registration connection attempt, and after the connection fails, the terminal prompts the user that no mobile network service exists.
After the step of prompting no mobile network service, the method further includes: when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located changes, the mobile network is searched again by utilizing the radio access technology of each priority network mode from the highest priority network mode again so as to connect the mobile network.
When the location of the terminal changes, that is, when the network area where the terminal is located changes, the location area identifier, the routing area identifier, and the tracking area identifier (LAI/RAI/TAI) change, and the terminal re-enables all network modes to perform a registration connection attempt.
Example 2
In another aspect of the present invention, to achieve the above object, the present invention further provides a mobile network connection registration apparatus, including: a memory, a processor and a network connection registration program stored on the memory and executable on the processor, the network connection registration when executed by the processor implementing the steps of the mobile network connection registration method as follows:
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
searching the mobile network by using a wireless access technology corresponding to a highest priority network mode or a preset network mode, residing in a current network cell and initiating a registration request to the mobile network;
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
judging whether the forbidden cell list comprises the second cell identification and the second frequency point information:
if not, residing in the new network cell and reinitiating a registration request to connect the mobile network;
and if so, adopting the wireless access technology of the next priority network mode to search the mobile network again.
Wherein the network connection registration, when executed by the processor, further implements the following steps of a mobile network connection registration method:
and residing in a network cell corresponding to the next priority network mode and reinitiating a registration request to connect the mobile network.
Wherein the network connection registration, when executed by the processor, further implements the following steps of a mobile network connection registration method:
and when the terminal is in an idle state, re-searching the mobile network by adopting the wireless access technology of the highest priority network mode so as to connect the mobile network corresponding to the highest priority network mode.
Wherein the network connection registration, when executed by the processor, further implements the following steps of a mobile network connection registration method:
and searching the mobile network again by using the wireless access technology of each priority network mode after the highest priority network mode in sequence so as to connect the mobile network.
Wherein the network connection registration, when executed by the processor, further implements the following steps of a mobile network connection registration method:
and the mobile networks corresponding to all the network modes cannot register and connect, and no mobile network service is prompted.
Wherein the network connection registration, when executed by the processor, further implements the following steps of a mobile network connection registration method:
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located changes, the mobile network is searched again by utilizing the radio access technology of each priority network mode from the highest priority network mode again so as to connect the mobile network.
Example 3
Further, to achieve the above object, the present invention provides a computer readable storage medium having a network connection registration program stored thereon, the network connection registration realizing the following steps of a mobile network connection registration method when executed by the processor:
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
searching the mobile network by using a wireless access technology corresponding to a highest priority network mode or a preset network mode, residing in a current network cell and initiating a registration request to the mobile network;
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
when the location area identifier, the routing area identifier or the tracking area identifier (LAI/RAI/TAI) of the network area where the terminal is located is not changed, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if not, residing in the new network cell and re-initiating a registration request so as to connect the mobile network by using the network mode.
Further, the network connection registration when executed by the processor further implements the steps of a mobile network connection registration method:
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
judging whether the forbidden cell list comprises the second cell identification and the second frequency point information:
if not, residing in the new network cell and reinitiating a registration request to connect the mobile network;
and if so, adopting the wireless access technology of the next priority network mode to search the mobile network again.
The method, the device and the computer readable storage medium for registering mobile network connection provided by the present invention utilize the characteristic that the network area of the same location area identifier/routing area identifier/tracking area identifier (LAI/RAI/TAI) may contain multiple network cells, when receiving the reject (reject) message replied by the mobile network, instead of storing the location area identifier/routing area identifier/tracking area identifier (LAI/RAI/TAI) of the current network area to the forbidden network area list (forbidden LAI/TAI/RAI list), the cell identifier (cell _ id) and the point information (frequency _ info) of the network cell where the terminal currently resides are put into the forbidden cell list (forbidden cell list), and then the network is re-searched in the network mode of the same priority, under the condition of the same LAI/RAI/TAI, when the cell identifier (cell _ id) and the frequency point information (frequency _ info) corresponding to the new network cell are judged not to be in the forbidden cell list (forbidden cell list), the new network cell can stay in the new network cell and initiate a registration process. Therefore, the terminal can successfully register the high-priority mobile network again under the static condition, the probability that the terminal can successfully register the high-priority mobile network is greatly improved, the intelligent level of the terminal is improved, and the user experience is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A mobile network connection registration method, comprising:
after a rejection message replied by the mobile network is received, storing a first cell identifier and first frequency point information corresponding to a current network cell where the terminal resides in a forbidden cell list;
searching the mobile network again by adopting a wireless access technology in the same network mode, and acquiring a second cell identifier and second frequency point information corresponding to a new network cell;
when the position area identifier, the routing area identifier or the tracking area identifier of the network area where the terminal is located is unchanged, judging whether the forbidden cell list comprises the second cell identifier and the second frequency point information, if so, adopting a wireless access technology of a next priority network mode to search the mobile network again; if not, residing in the new network cell and reinitiating the registration request so as to utilize the network mode to connect the mobile network.
2. The mobile network connection registration method of claim 1, wherein the step of receiving the rejection message of the mobile network reply is preceded by the method further comprising:
and searching the mobile network by using the wireless access technology corresponding to the highest priority network mode or the preset network mode, residing in the current network cell and initiating a registration request to the mobile network.
3. The mobile network connection registration method of claim 1, wherein after the step of re-searching the mobile network for the radio access technology in the next priority network mode, the method further comprises:
and residing in a network cell corresponding to the next priority network mode and reinitiating a registration request to connect the mobile network.
4. The method of claim 3, wherein after the step of camping on the network cell corresponding to the next priority network mode and reinitiating the registration request to connect to the mobile network, the method further comprises:
and when the terminal is in an idle state, re-searching the mobile network by adopting the wireless access technology of the highest priority network mode so as to connect the mobile network corresponding to the highest priority network mode.
5. The method of claim 3, wherein the step of re-searching the mobile network using the radio access technology of the next priority network mode specifically comprises:
and searching the mobile network again by using the wireless access technology of each priority network mode after the highest priority network mode in sequence so as to connect the mobile network.
6. The method of claim 5, wherein after the step of re-searching the mobile network for connection to the mobile network using the radio access technology of each priority network mode after the highest priority network mode in turn, the method further comprises:
and the mobile networks corresponding to all the network modes cannot register and connect, and no mobile network service is prompted.
7. The method of claim 6, wherein the mobile networks corresponding to all network modes are unable to register connection, and after the step of prompting no mobile network service, the method further comprises:
and when the location area identifier, the routing area identifier or the tracking area identifier of the network area in which the terminal is positioned changes, searching the mobile network again by utilizing the wireless access technology of each priority network mode from the highest priority network mode again so as to connect the mobile network.
8. A mobile network connection registration apparatus, the apparatus comprising: memory, processor and a network connection registration program stored on the memory and executable on the processor, the network connection registration program when executed by the processor implementing the steps of the mobile network connection registration method according to any of claims 1-7.
9. A computer-readable storage medium, having a network connection registration program stored thereon, which when executed by a processor, performs the steps of the mobile network connection registration method according to any of claims 1-7.
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