CN114258005A - Method for registering from 4G to 5G, mobile terminal and readable storage medium - Google Patents

Method for registering from 4G to 5G, mobile terminal and readable storage medium Download PDF

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CN114258005A
CN114258005A CN202111582038.0A CN202111582038A CN114258005A CN 114258005 A CN114258005 A CN 114258005A CN 202111582038 A CN202111582038 A CN 202111582038A CN 114258005 A CN114258005 A CN 114258005A
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cell
terminal
preset
reference signal
quality
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CN114258005B (en
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张建明
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method for registering from 4G to 5G, a mobile terminal and a readable storage medium, wherein the method for registering from 4G to 5G comprises the following steps: detecting whether a switching condition is met or not according to the reason that the terminal is registered in the 4G network; if the switching condition is met, determining a target 5G cell based on the searched selective receiving level value, selective quality value, reference signal receiving power, reference signal receiving quality and signal-to-noise ratio of the 5G cell; registering with the target 5G cell. According to the invention, under the condition of no specific system message SIB24, the target 5G cell is determined by comprehensively considering the selected receiving level value, the selected quality value, the reference signal receiving power, the reference signal receiving quality and the signal-to-noise ratio of the searched 5G cell, so that the terminal is controlled to register to the 5G network from the 4G network, namely, the terminal can quickly register to the 5G network from the 4G network, and the ping-pong effect can be avoided.

Description

Method for registering from 4G to 5G, mobile terminal and readable storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for registering from 4G to 5G, a mobile terminal, and a readable storage medium.
Background
For a terminal supporting both 4G and 5G, there is often a need to register from the 4G network to the 5G network. To meet this requirement, the 3GPP has formulated a specific system message SIB24 for reselection of the terminal from 4G to 5G in the idle state, which is broadcast in the 4G network for the terminal to reselect from 4G to 5G. That is, in the prior art, the terminal needs to use the specific system message SIB24 as a support when registering from the 4G network to the 5G network, and how to control the terminal to register from the 4G network to the 5G network without the specific system message SIB24 is a technical problem to be solved urgently.
Disclosure of Invention
The invention mainly aims to provide a method for registering from 4G to 5G, a mobile terminal and a readable storage medium, aiming at solving the technical problem of how to control the terminal to register from a 4G network to a 5G network under the condition of no specific system message SIB24 in the prior art.
To achieve the above object, the present invention provides a method for registering from 4G to 5G, the method for registering from 4G to 5G comprising:
detecting whether a switching condition is met or not according to the reason that the terminal is registered in the 4G network;
if the switching condition is met, determining a target 5G cell based on the searched selective receiving level value, selective quality value, reference signal receiving power, reference signal receiving quality and signal-to-noise ratio of the 5G cell;
registering with the target 5G cell.
Optionally, the step of detecting whether the handover condition is satisfied according to the reason that the terminal is registered in the 4G network includes:
when the reason that the terminal is registered in the 4G network is a non-EPS _ FP call, detecting whether the residence time of the terminal in the 4G network is longer than a preset time;
and if the residence time of the terminal in the 4G network is longer than the preset time, determining that the switching condition is met.
Optionally, when the terminal is registered to the 4G network due to power-on or is registered to the 4G network due to loss of 5G signals, it is determined that the reason that the terminal is registered to the 4G network is a non-EPS _ FP call.
Optionally, the step of detecting whether the handover condition is satisfied according to the reason that the terminal is registered in the 4G network includes:
when the reason that the terminal is registered in the 4G network is EPS _ FP calling, detecting whether the EPS _ FP calling is ended;
if the EPS _ FP call is ended, detecting whether the data throughput of the terminal is smaller than the preset throughput;
and if the data throughput of the terminal is less than the preset throughput, determining that the switching condition is met.
Optionally, when the reason that the terminal is registered in the 4G network is a non-EPS _ FP call, the terminal is identified by the first character; and if the reason that the terminal is registered in the 4G network is the EPS _ FP call, the terminal is identified by the second character.
Optionally, the step of determining the target 5G cell based on the selected reception level value, the selected quality value, the reference signal received power, the reference signal received quality, and the signal-to-noise ratio of the searched 5G cell includes:
evaluating the priority of each searched 5G cell based on a cell priority evaluation criterion;
sequencing all searched 5G cells according to the sequence of the priority from high to low to obtain a 5G cell queue;
detecting whether the selected receiving level value and the selected quality value of a first 5G cell arranged in a 5G cell queue meet a cell reselection S criterion, whether the reference signal receiving power is greater than a preset receiving power, whether the reference signal receiving quality is greater than a preset receiving quality and whether a signal-to-noise ratio is greater than a preset signal-to-noise ratio;
if the selected receiving level value and the selected quality value of the first 5G cell meet the cell reselection S criterion, the reference signal receiving power is greater than the preset receiving power, the reference signal receiving quality is greater than the preset receiving quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio, the first 5G cell is taken as the target 5G cell;
if the selected reception level value and the selected quality value of the first arranged 5G cells do not meet the cell reselection S criterion or the reference signal reception power is not greater than the preset reception power or the reference signal reception quality is not greater than the preset reception quality or the signal-to-noise ratio is not greater than the preset signal-to-noise ratio, the next 5G cell arranged in the 5G cell queue is the first arranged 5G cell in the 5G cell queue, and the steps of detecting whether the selected reception level value and the selected quality value of the first 5G cell arranged in the 5G cell queue meet the cell reselection S criterion, whether the reference signal reception power is greater than the preset reception power, whether the reference signal reception quality is greater than the preset reception quality and whether the signal-to-noise ratio is greater than the preset signal-to-noise ratio are executed in a return mode.
Optionally, the step of determining the target 5G cell based on the selected reception level value, the selected quality value, the reference signal received power, the reference signal received quality, and the signal-to-noise ratio of the searched 5G cell includes:
selecting a selected receiving level value and a selected quality value from the searched 5G cells to meet a cell reselection S criterion, wherein the reference signal receiving power is greater than the preset receiving power, the reference signal receiving quality is greater than the preset receiving quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio;
and determining the target 5G cell from the 5G cells to be selected.
Optionally, the step of determining the target 5G cell from the candidate 5G cells includes:
evaluating the priority of each cell to be selected 5G based on a cell priority evaluation criterion;
and taking the candidate 5G cell with the highest priority as the target 5G cell.
In addition, to achieve the above object, the present invention also provides a mobile terminal, including: the system comprises a memory, a processor and a program which is stored on the memory and can run on the processor, wherein the program which is registered from 4G to 5G realizes the steps of the method which is registered from 4G to 5G when the program which is registered from 4G to 5G is executed by the processor.
Furthermore, to achieve the above object, the present invention also provides a readable storage medium having stored thereon a program registered from 4G to 5G, the program registered from 4G to 5G implementing the steps of the method registered from 4G to 5G as described above when executed by a processor.
In the invention, whether a switching condition is met is detected according to the reason that the terminal is registered in the 4G network; if the switching condition is met, determining a target 5G cell based on the searched selective receiving level value, selective quality value, reference signal receiving power, reference signal receiving quality and signal-to-noise ratio of the 5G cell; registering with the target 5G cell. According to the invention, under the condition of no specific system message SIB24, the target 5G cell is determined by comprehensively considering the selected receiving level value, the selected quality value, the reference signal receiving power, the reference signal receiving quality and the signal-to-noise ratio of the searched 5G cell, so that the terminal is controlled to register to the 5G network from the 4G network, namely, the terminal can quickly register to the 5G network from the 4G network, and the ping-pong effect can be avoided.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention;
fig. 2 is a diagram of a communication network system architecture according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating an embodiment of a method for registering from 4G to 5G according to the present invention;
FIG. 4 is a schematic diagram of a first detailed flowchart of step S20 in FIG. 3;
fig. 5 is a schematic diagram of a second detailed flow of step S20 in fig. 3.
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.
In the embodiment of the present invention, the method for registering from 4G to 5G is applied to a mobile terminal, and the terminal may be implemented in various forms. For example, the mobile terminal involved in the present invention may include mobile terminals such as a mobile phone, a tablet computer, a notebook computer, a palm top computer, a Personal Digital Assistant (PDA), and the like.
While a tablet computer will be described in the following description as an example, those skilled in the art will appreciate that the configuration according to the embodiment of the present invention can be applied to other types of mobile terminals, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, fig. 1 is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, where the 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 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 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), detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, 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 at the terminal, 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 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, a phonebook, etc.) created according to the use of the cellular phone, and the like. 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 home page display 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.
As shown in fig. 1, the memory 109, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a program registered from 4G to 5G, and the processor 110 may be configured to call the program registered from 4G to 5G stored in the memory 109 and perform the steps of the method registered from 4G to 5G described below.
In order to facilitate understanding of the embodiments of the present invention, a communication 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 communication Network system according to an embodiment of the present invention, where the communication 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.
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 above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
In an embodiment, referring to fig. 3, fig. 3 is a flowchart illustrating an embodiment of a method for registering from 4G to 5G according to the present invention. As shown in fig. 3, the method for registering from 4G to 5G includes:
step S10, according to the reason that the terminal is registered in the 4G network, whether the switching condition is satisfied is detected;
in this embodiment, the reason that the terminal is registered in the 4G network is different, for example, the terminal is registered in the 4G network due to an EPS _ FP call, where the EPS _ FB means that a voice service falls back from 5G to 4G without a VoNR condition in a case where 5G does not have the VoNR condition, and continuity of the voice service is ensured depending on VoLTE. Or the terminal is registered in the 4G network because the current position of the terminal has no 5G signal coverage. Or because the terminal is started to register to the Registered PLMN, and the Registered PLMN is a 4G network, wherein the Registered PLMN refers to the PLMN Registered by the terminal before the last shutdown or offline and is temporarily stored on the USIM card.
The reason that the terminal is registered in the 4G network is divided into two types, one type is non-EPS _ FP calling, the other type is EPS _ FP calling, and whether the switching condition is met or not is detected according to a detection mode corresponding to the reason.
Further, in an embodiment of the method for registering from 4G to 5G, step S10 includes:
when the reason that the terminal is registered in the 4G network is a non-EPS _ FP call, detecting whether the residence time of the terminal in the 4G network is longer than a preset time; and if the residence time of the terminal in the 4G network is longer than the preset time, determining that the switching condition is met.
In this embodiment, if the reason that the terminal is registered in the 4G network is a non-EPS _ FP call, it is detected whether the residence time of the terminal in the 4G network is longer than a preset time, where the preset time is set according to actual needs. If the residence time of the terminal in the 4G network is longer than the preset time, determining that the switching condition is met; on the contrary, if the residence time of the terminal in the 4G network is not more than the preset time, the switching condition is determined not to be met.
Further, in an embodiment of the method for registering from 4G to 5G, when the terminal registers to the 4G network due to power-on or because the 5G signal is lost, it is determined that the reason that the terminal registers to the 4G network is a non-EPS _ FP call.
Further, in an embodiment of the method for registering from 4G to 5G, step S10 includes:
when the reason that the terminal is registered in the 4G network is EPS _ FP calling, detecting whether the EPS _ FP calling is ended; if the EPS _ FP call is ended, detecting whether the data throughput of the terminal is smaller than the preset throughput; and if the data throughput of the terminal is less than the preset throughput, determining that the switching condition is met.
In this embodiment, when the cause of the terminal registering in the 4G network is an EPS _ FP call, first, whether the EPS _ FP call is ended is detected; because time delay exists among modules for realizing the EPS _ FP call by the terminal, even if data transmission possibly exists among the modules after the EPS _ FP call is finished, the network switching can be carried out if the data throughput of the terminal is not large. Therefore, if the EPS _ FP call is ended, it needs to further detect whether the data throughput of the terminal is smaller than the preset throughput, where the preset throughput is set according to actual needs. If the data throughput of the terminal is smaller than the preset throughput, determining that a switching condition is met; on the contrary, if the data throughput of the terminal is not less than the preset throughput, it is determined that the handover condition is not satisfied.
Further, in an embodiment of the method for registering from 4G to 5G, when the reason that the terminal is registered in the 4G network is a non-EPS _ FP call, the terminal is identified by a first character; and if the reason that the terminal is registered in the 4G network is the EPS _ FP call, the terminal is identified by the second character.
In this embodiment, the first character and the second character are set according to actual situations, for example, the first character is 1, the second character is 0, the flag bit is 1 when the terminal is registered in the 4G network due to a non-EPS _ FP call, and the flag bit is 0 when the terminal is registered in the 4G network due to an EPS _ FP call. The terminal can determine in which detection mode to detect whether the switching condition is satisfied according to the value of the flag bit.
Step S20, if the switching condition is satisfied, the target 5G cell is determined based on the selected receiving level value, the selected quality value, the reference signal receiving power, the reference signal receiving quality and the signal-to-noise ratio of the searched 5G cell;
in this embodiment, if the handover condition is satisfied, 5G cell search is started, and a target 5G cell is determined from the searched 5G cells according to a selected reception level value, a selected quality value, a reference signal received power, a reference signal received quality, and a signal-to-noise ratio.
Further, in an embodiment of the method for registering from 4G to 5G, referring to fig. 4, fig. 4 is a schematic view of a first detailed flow of step S20 in fig. 3, as shown in fig. 4, step S20 includes:
step S201, evaluating the priority of each searched 5G cell based on a cell priority evaluation criterion;
in this embodiment, the cell priority evaluation criterion may be formulated according to actual needs, for example, the cell priority evaluation criterion is: the longer the duration in which the selective reception level value of the cell is greater than the first preset threshold value for a past period of time, the higher the priority of the cell. As another example, the cell priority evaluation criterion is: the longer the duration of the past period of time during which the selection quality value of the cell is greater than the second preset threshold value, the higher the priority of the cell. It should be noted that, this is only an exemplary illustration of the cell priority evaluation criterion, and does not constitute a limitation on the cell priority evaluation criterion.
Step S202, sequencing all searched 5G cells according to the sequence of the priorities from high to low to obtain a 5G cell queue;
in this embodiment, for example, the searched 5G cells include 5G cells 1, 5G cells 2, and 5G cells 3, after the priority of each searched 5G cell is evaluated based on the cell priority evaluation criterion, the priority of 5G cell 2 is the highest, the priority of 5G cell 3 is the next, and the priority of 5G cell 2 is the lowest, all the searched 5G cells are sorted according to the order of priority from high to low, and the obtained 5G cell queues are: 5G cell 2, 5G cell 3, 5G cell 1.
Step S203, detecting whether the selected receiving level value and the selected quality value of the first 5G cells arranged in the 5G cell queue meet the cell reselection S criterion, whether the reference signal receiving power is greater than the preset receiving power, whether the reference signal receiving quality is greater than the preset receiving quality and whether the signal-to-noise ratio is greater than the preset signal-to-noise ratio;
in this embodiment, according to the sorting manner of the 5G cells 2, 3, and 1, it is first detected whether the selective reception level value and the selective quality value of the 5G cell 2 meet the cell reselection S criterion (the cell reselection S criterion is the prior art and is not described herein), whether the reference signal reception power is greater than the preset reception power, whether the reference signal reception quality is greater than the preset reception quality, and whether the signal-to-noise ratio is greater than the preset signal-to-noise ratio. The preset receiving power, the preset receiving quality and the preset signal-to-noise ratio are all set according to actual needs, for example, the preset receiving power is set to-120 dbm, the preset receiving quality is set to-20 db, and the preset signal-to-noise ratio is set to 5.
Step S204, if the selected receiving level value and the selected quality value of the first 5G cell array meet the cell reselection S criterion, the reference signal receiving power is greater than the preset receiving power, the reference signal receiving quality is greater than the preset receiving quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio, the first 5G cell array is taken as the target 5G cell;
in this embodiment, if the selected reception level value and the selected quality value of the 5G cell 2 satisfy the cell reselection S criterion, the reference signal received power is greater than the preset received power, the reference signal received quality is greater than the preset received quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio, the 5G cell 2 is taken as the target 5G cell.
Step S205, if the selected reception level value and the selected quality value of the first arranged 5G cells do not satisfy the cell reselection S criterion or the reference signal received power is not greater than the preset received power or the reference signal received quality is not greater than the preset received quality or the signal-to-noise ratio is not greater than the preset signal-to-noise ratio, the next arranged 5G cell in the 5G cell queue is taken as the first arranged 5G cell in the 5G cell queue;
the execution returns to step S203.
In this embodiment, if the selected reception level value and the selected quality value of the 5G cell 2 do not satisfy the cell reselection S criterion or the reference signal received power is not greater than the preset received power or the reference signal received quality is not greater than the preset received quality or the signal-to-noise ratio is not greater than the preset signal-to-noise ratio, the 5G cell 3 is the first 5G cell arranged in the 5G cell queue, and the step S203 is executed again.
And if the selected receiving level value and the selected quality value of the 5G cell 3 meet the cell reselection S criterion, the reference signal receiving power is greater than the preset receiving power, the reference signal receiving quality is greater than the preset receiving quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio, taking the 5G cell 3 as the target 5G cell.
If the selected reception level value and the selected quality value of the 5G cell 3 do not satisfy the cell reselection S criterion or the reference signal received power is not greater than the preset received power or the reference signal received quality is not greater than the preset received quality or the signal-to-noise ratio is not greater than the preset signal-to-noise ratio, the 5G cell 1 is used as the first 5G cell arranged in the 5G cell queue, and the step S203 is executed again.
And if the selected receiving level value and the selected quality value of the 5G cell 1 meet the cell reselection S criterion, the reference signal receiving power is greater than the preset receiving power, the reference signal receiving quality is greater than the preset receiving quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio, taking the 5G cell 1 as the target 5G cell.
If the selected reception level value and the selected quality value of the 5G cell 1 do not satisfy the cell reselection S criterion, or the reference signal received power is not greater than the preset received power, or the reference signal received quality is not greater than the preset received quality, or the signal-to-noise ratio is not greater than the preset signal-to-noise ratio, it indicates that all the searched 5G cells do not satisfy the registration condition, and the procedure is ended.
Further, in an embodiment of the method for registering from 4G to 5G, referring to fig. 5, fig. 5 is a second detailed flowchart of step S20 in fig. 3, and as shown in fig. 5, step S20 includes:
step S206, selecting a selection receiving level value and a selection quality value from the searched 5G cells to select a to-be-selected 5G cell of which the cell reselection S criterion is met, the reference signal receiving power is greater than the preset receiving power, the reference signal receiving quality is greater than the preset receiving quality and the signal-to-noise ratio is greater than the preset signal-to-noise ratio;
in this embodiment, assuming that the searched 5G cells include 5G cell 1, 5G cell 2, 5G cell 3, 5G cell 4, and 5G cell 5, the 5G cell to be selected is selected from which the reception level value and the selection quality value satisfy the cell reselection S criterion, the reference signal reception power is greater than the preset reception power, the reference signal reception quality is greater than the preset reception quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio.
Step S207, determining a target 5G cell from the 5G cells to be selected.
In this embodiment, if there is only one candidate 5G cell, the candidate 5G cell is directly used as the target 5G cell. And if the number of the 5G cells to be selected is multiple, determining one of the multiple 5G cells to be selected as the target 5G cell.
Further, in an embodiment of the method for registering from 4G to 5G, step S207 includes:
evaluating the priority of each cell to be selected 5G based on a cell priority evaluation criterion; and taking the candidate 5G cell with the highest priority as the target 5G cell.
In this embodiment, the priority of each to-be-selected 5G cell is evaluated based on a cell priority evaluation criterion. For a specific mode, refer to the above embodiment of step S201, which is not described herein again. And after the priority of each 5G cell to be selected is evaluated, the 5G cell to be selected with the highest priority can be taken as the target 5G cell.
Step S30, registering to the target 5G cell.
In this embodiment, after the target 5G cell is determined, a registration procedure may be started to register to the target 5G cell.
In the embodiment, whether the switching condition is met is detected according to the reason that the terminal is registered in the 4G network; if the switching condition is met, determining a target 5G cell based on the searched selective receiving level value, selective quality value, reference signal receiving power, reference signal receiving quality and signal-to-noise ratio of the 5G cell; registering with the target 5G cell. Through the embodiment, under the condition that no specific system message SIB24 exists, the target 5G cell is determined by comprehensively considering the selected reception level value, the selected quality value, the reference signal reception power, the reference signal reception quality and the signal-to-noise ratio of the searched 5G cell, so that the terminal is controlled to register to the 5G network from the 4G network, namely, the terminal can quickly register to the 5G network from the 4G network, and the ping-pong effect can be avoided.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, in which a program for registering from 4G to 5G is stored, and the program for registering from 4G to 5G implements the steps of the method for registering from 4G to 5G as described above when being executed by a processor.
The specific embodiment of the computer-readable storage medium of the present invention is substantially the same as the embodiments of the method for registering from 4G to 5G, and will not be described herein again.
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 system 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 system. 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 system 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 solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., 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 (10)

1. A method for registering from 4G to 5G, the method for registering from 4G to 5G comprising:
detecting whether a switching condition is met or not according to the reason that the terminal is registered in the 4G network;
if the switching condition is met, determining a target 5G cell based on the searched selective receiving level value, selective quality value, reference signal receiving power, reference signal receiving quality and signal-to-noise ratio of the 5G cell;
registering with the target 5G cell.
2. The method of claim 1, wherein the step of detecting whether the handover condition is satisfied based on a reason that the terminal is registered in the 4G network comprises:
when the reason that the terminal is registered in the 4G network is a non-EPS _ FP call, detecting whether the residence time of the terminal in the 4G network is longer than a preset time;
and if the residence time of the terminal in the 4G network is longer than the preset time, determining that the switching condition is met.
3. The method of claim 2, wherein when the terminal is registered to the 4G network due to power-on or due to loss of 5G signaling, the terminal is determined to be registered to the 4G network for the non-EPS _ FP call.
4. The method of claim 1, wherein the step of detecting whether the handover condition is satisfied based on a reason that the terminal is registered in the 4G network comprises:
when the reason that the terminal is registered in the 4G network is EPS _ FP calling, detecting whether the EPS _ FP calling is ended;
if the EPS _ FP call is ended, detecting whether the data throughput of the terminal is smaller than the preset throughput;
and if the data throughput of the terminal is less than the preset throughput, determining that the switching condition is met.
5. The method for registering from 4G to 5G according to claim 2 or 4, characterized in that when the reason that the terminal is registered in the 4G network is a non-EPS _ FP call, the terminal is identified by the first character; and if the reason that the terminal is registered in the 4G network is the EPS _ FP call, the terminal is identified by the second character.
6. The method of claim 1, wherein the step of determining the target 5G cell based on the selected reception level value, the selected quality value, the reference signal received power, the reference signal received quality, and the signal-to-noise ratio of the searched 5G cell comprises:
evaluating the priority of each searched 5G cell based on a cell priority evaluation criterion;
sequencing all searched 5G cells according to the sequence of the priority from high to low to obtain a 5G cell queue;
detecting whether the selected receiving level value and the selected quality value of a first 5G cell arranged in a 5G cell queue meet a cell reselection S criterion, whether the reference signal receiving power is greater than a preset receiving power, whether the reference signal receiving quality is greater than a preset receiving quality and whether a signal-to-noise ratio is greater than a preset signal-to-noise ratio;
if the selected receiving level value and the selected quality value of the first 5G cell meet the cell reselection S criterion, the reference signal receiving power is greater than the preset receiving power, the reference signal receiving quality is greater than the preset receiving quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio, the first 5G cell is taken as the target 5G cell;
if the selected reception level value and the selected quality value of the first arranged 5G cells do not meet the cell reselection S criterion or the reference signal reception power is not greater than the preset reception power or the reference signal reception quality is not greater than the preset reception quality or the signal-to-noise ratio is not greater than the preset signal-to-noise ratio, the next 5G cell arranged in the 5G cell queue is the first arranged 5G cell in the 5G cell queue, and the steps of detecting whether the selected reception level value and the selected quality value of the first 5G cell arranged in the 5G cell queue meet the cell reselection S criterion, whether the reference signal reception power is greater than the preset reception power, whether the reference signal reception quality is greater than the preset reception quality and whether the signal-to-noise ratio is greater than the preset signal-to-noise ratio are executed in a return mode.
7. The method of claim 1, wherein the step of determining the target 5G cell based on the selected reception level value, the selected quality value, the reference signal received power, the reference signal received quality, and the signal-to-noise ratio of the searched 5G cell comprises:
selecting a selected receiving level value and a selected quality value from the searched 5G cells to meet a cell reselection S criterion, wherein the reference signal receiving power is greater than the preset receiving power, the reference signal receiving quality is greater than the preset receiving quality, and the signal-to-noise ratio is greater than the preset signal-to-noise ratio;
and determining the target 5G cell from the 5G cells to be selected.
8. The method of registering from 4G to 5G according to claim 7, wherein the step of determining the target 5G cell from the candidate 5G cells comprises:
evaluating the priority of each cell to be selected 5G based on a cell priority evaluation criterion;
and taking the candidate 5G cell with the highest priority as the target 5G cell.
9. A mobile terminal, characterized in that the mobile terminal comprises: memory, a processor and a program registered from 4G to 5G stored on the memory and executable on the processor, the program registered from 4G to 5G implementing the steps of the method registered from 4G to 5G as claimed in any one of claims 1 to 8 when executed by the processor.
10. A readable storage medium, having stored thereon a program for registering from 4G to 5G, which when executed by a processor, performs the steps of the method for registering from 4G to 5G as claimed in any one of claims 1 to 8.
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