CN106358254A - Network access control method and equipment - Google Patents

Abstract

The embodiment of the invention relates to the technical field of communication, and discloses a method and equipment for controlling network access. Wherein, the method comprises the following steps: monitoring whether voice signal access of VoLTE occurs to the terminal equipment; if so, judging whether the signal of the WIFI network of the terminal equipment is deteriorated; and if so, returning from the packet switched network of VoLTE to a circuit switched network to finish the voice call requested by the voice signal. Therefore, by implementing the embodiment of the invention, when the voice signal of VoLTE interferes with the signal of WIFI, the voice service is returned to the data exchange network to avoid the interference of adjacent frequency bands of the LTE signal and the WIFI signal, thereby ensuring the quality of WIFI data transmission and voice communication.

Description

Network access control method and device

technical field

The present invention relates to the field of communication technologies, in particular to a method and device for controlling network access.

Background technique

With the advent of VoLTE (Voice over LTE, LTE-based voice) technology, the data and voice services of terminal equipment can be carried on the 4G (the 4th Generation Mobile Communication, fourth-generation mobile communication) network, realizing data and voice The unification of services under the same network brings users higher-speed, high-quality data transmission and voice call experience. In addition, terminal devices can often achieve data transmission by accessing a WIFI (Wireless Fidelity, Wireless Fidelity) network. Since the frequency band of WIFI is relatively close to some frequency bands of LTE (Long Term Evolution, Long Term Evolution), and through The out-of-band suppression of the filter configured in the baseband of the terminal equipment is difficult to achieve a very ideal effect of controlling the interference between adjacent frequency bands. The two signals interfere with each other and affect the quality of communication.

Contents of the invention

Embodiments of the present invention provide a method and device for controlling network access. When VoLTE voice signals interfere with WIFI signals, voice services are returned to the data switching network to avoid LTE signals and WIFI signals. Adjacent frequency band interference, thus ensuring the quality of WIFI data transmission and voice calls.

The first aspect of the embodiment of the present invention discloses a network access control method, including:

Monitor whether the terminal device has a voice signal access request for voice VoLTE based on LTE;

If so, then judge whether the signal of the wireless fidelity WIFI network of described terminal equipment deteriorates;

If yes, fall back from the VoLTE packet switching network to the circuit switching network, so as to complete the voice call of the voice signal access request.

The second aspect of the embodiment of the present invention discloses a network access control device, including:

The first monitoring unit is used to monitor whether the terminal device has a voice signal access request based on LTE voice VoLTE;

A judging unit, configured to judge whether the signal of the wireless fidelity WIFI network of the terminal device deteriorates when the voice signal of VoLTE is accessed in the terminal device;

The first switching unit is configured to fall back from the VoLTE packet switching network to the circuit switching network when the signal of the WIFI network of the terminal device deteriorates, so as to complete the voice call requested by the voice signal access.

The third aspect of the embodiments of the present invention discloses a terminal device, including: a processor and a memory, where the processor is configured to execute the method described in the first aspect above.

It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:

In the embodiment of the present invention, it is monitored whether the voice signal of VoLTE is connected to the terminal device; if so, it is judged whether the signal of the WIFI network of the terminal device is degraded; if so, the packet switching network of VoLTE is returned to the circuit switching network , to complete the voice call requested by the voice signal. It can be seen that, implementing the embodiment of the present invention, when the VoLTE voice signal interferes with the WIFI signal, the voice service is returned to the data switching network to avoid adjacent frequency band interference between the LTE signal and the WIFI signal, thereby Guarantee the quality of WIFI data transmission and voice calls.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

FIG. 1 is a schematic flowchart of a network access control method disclosed in an embodiment of the present invention;

FIG. 2 is a schematic flowchart of another network access control method disclosed in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a network access control device disclosed in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another network access control device disclosed in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a terminal device disclosed in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of another terminal device disclosed in an embodiment of the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods or apparatuses.

Embodiments of the present invention provide a method and device for controlling network access. When VoLTE voice signals interfere with WIFI signals, voice services are returned to the data switching network to avoid LTE signals and WIFI signals. Adjacent frequency band interference, thus ensuring the quality of WIFI data transmission and voice calls. Each will be described in detail below.

Please refer to FIG. 1 . FIG. 1 is a schematic flowchart of a network access control method disclosed in an embodiment of the present invention. Wherein, the method for controlling network access shown in FIG. 1 may include the following steps:

101. Monitor whether the terminal device has a voice signal access request of VoLTE based voice.

In the embodiment of the present invention, the terminal device may be a smart phone, a smart watch, a handheld computer, a tablet computer, a personal digital assistant (Personal Digital Assistant, PDA), a sales terminal (Point of Sales, POS), etc. repeat.

102. If yes, determine whether the signal of the wireless fidelity WIFI network of the terminal device is degraded.

In the embodiment of the present invention, since the voice call of VoLTE is carried out through the LTE network, the frequency range of the B40 frequency band is 2300-2400MHz among the available frequency bands of LTE, and the frequency band commonly used by WIFI services is the 2.4G frequency band at present, and its frequency range is 2403-2400MHz. 2481MHz. From the frequency ranges of the two listed above, it can be seen that there is no reasonable bandwidth between the upper sideband of the B40 frequency band and the lower sideband of the 2.4G frequency band of WIFI, and its application location is in the indoor environment, so in the actual user application scene In , the signals of the two are easy to generate inter-band interference and degrade the communication quality. Therefore, if the terminal device has a VoLTE voice signal access request, at the same time, the signal of the WIFI network of the terminal device becomes poor, the current VbLTE application frequency band may be the B40 frequency band, which is caused by inter-band interference with the WIFI signal. The signal of the WIFI network deteriorated.

103. If yes, fall back from the VoLTE packet switching network to the circuit switching network, so as to complete the voice call of the voice signal access request.

In the embodiment of the present invention, the above-mentioned circuit switching network includes the voice service network of the second generation mobile communication technology 2G and the voice service network of the third generation mobile communication technology 3G, and the frequency bands used by the two are similar to the 2.4G frequency band of WIFI. Certain frequency bands are spaced apart so that there is no single-room interference.

As an optional implementation manner, the terminal device uses circuit domain fallback CSFB technology to fall back to the above-mentioned circuit switching network, so as to complete the voice call of the above-mentioned voice signal access request;

As an optional implementation manner, the terminal device uses the dual-mode single-standby wireless voice call continuation SRVCC technology to fall back to the circuit switching network, so as to complete the voice call requested by the voice signal access.

As an optional implementation, the terminal device selects the above-mentioned 2G voice service network or the above-mentioned 3G voice service network, the hardware of the terminal device and the network standard and frequency band supported by the operator currently registered with the terminal device to access the network , so as to complete the voice call of the above voice signal access request.

It can be seen that using the method described in Figure 1, when VoLTE voice signals interfere with WIFI signals, the voice service is returned to the data switching network to avoid adjacent frequency band interference between LTE signals and WIFI signals , so as to ensure the quality of WIFI data transmission and voice calls.

Please refer to FIG. 2 . FIG. 2 is a schematic flowchart of another network access control method disclosed in an embodiment of the present invention. As shown in Figure 2, the method may include the following steps:

201. Monitor whether the terminal device has a voice signal access request of VoLTE based voice.

202. If yes, determine whether the signal of the wireless fidelity WIFI network of the terminal device is degraded.

In the embodiment of the present invention, if the terminal device has a VoLTE voice signal access request, at the same time, the signal of the WIFI network of the terminal device becomes worse, the frequency band of the current VoLTE application may be the B40 frequency band. The signal of the WIFI network deteriorates due to inter-interference. Wherein, the WIFI network of the terminal device includes the WIFI network provided by the terminal device connected to other devices (such as wireless routers, etc.), and also includes the WIFI network shared by the terminal device as a hotspot to other devices,

203. If yes, fall back from the VoLTE packet switching network to the circuit switching network, so as to complete the voice call of the voice signal access request.

In the embodiment of the present invention, the above-mentioned circuit switching network includes the voice service network of the second generation mobile communication technology 2G and the voice service network of the third generation mobile communication technology 3G, and the frequency bands used by the two are similar to the 2.4G frequency band of WIFI. A certain frequency band spacing, so there will be no inter-band interference.

As an optional implementation manner, the terminal device uses circuit domain fallback CSFB technology to fall back to the above-mentioned circuit switching network, so as to complete the voice call of the above-mentioned voice signal access request;

As an optional implementation manner, the terminal device uses the dual-mode single-standby wireless voice call continuation SRVCC technology to fall back to the circuit switching network, so as to complete the voice call requested by the voice signal access.

As an optional implementation, select the above-mentioned 2G voice service network or the above-mentioned 3G voice service network, the hardware of the terminal device and the network standard and frequency band supported by the operator currently registered with the terminal device, the terminal device access Network access to the network standard and frequency band passed to complete the voice call requested by the above-mentioned voice signal access.

In the embodiment of the present invention, historical network access records are pre-stored in the terminal device, and when a previously accessed frequency band is searched, the previously accessed frequency band is preferentially accessed. Since this frequency band has been successfully accessed before, there is a high probability that it will also be successfully accessed this time. Therefore, such a selection will help increase the network access rate and reduce the time spent on network search.

204. Monitor whether the terminal device is disconnected from the WIFI network.

205. If yes, re-access the above-mentioned packet switching network to complete the above-mentioned voice call by using VoLTE.

In the embodiment of the present invention, if it is detected that the connection of the above-mentioned WIFI network has been disconnected, it is considered to switch the voice call service back to the packet switching network, so as to use VoLTE to provide users with a voice service with better call quality. Wherein, the disconnection of the WIFI network includes that the terminal device is disconnected from the WIFI network provided by other devices, and also includes that the terminal device stops serving as a hotspot and stops providing the WIFI network.

It can be seen that using the method described in Figure 2, when VoLTE voice signals interfere with WIFI signals, the voice service is returned to the data switching network to avoid adjacent frequency band interference between LTE signals and WIFI signals , so as to ensure the quality of WIFI data transmission and voice calls. In addition, the terminal device preferentially selects the network standard and frequency band that has been accessed before for access, which helps to improve the network access rate and reduce the time spent on network search.

Please refer to FIG. 3 . FIG. 3 is a schematic structural diagram of a network access control device 100 disclosed in an embodiment of the present invention. Wherein, the LTE frequency band selection device may be a dedicated chip for frequency band selection in the terminal device, an application program with a frequency band selection function, or an external control device independent of the terminal device. Not limited.

As shown in FIG. 3, the network access control device 100 may include:

The first monitoring unit 301 is configured to monitor whether the terminal device has a voice signal access request based on voice VoLTE over LTE.

The judging unit 302 is configured to judge whether the signal of the wireless fidelity WIFI network of the terminal device is degraded when the terminal device has VoLTE voice signal access.

In the embodiment of the present invention, if the terminal device has a VoLTE voice signal access request, at the same time, the signal of the WIFI network of the terminal device becomes worse, the frequency band of the current VoLTE application may be the B40 frequency band. Interference causes the signal of the WIFI network to deteriorate.

The first switching unit 303 is configured to fall back from the VoLTE packet-switched network to the circuit-switched network when the signal of the WIFI network of the terminal device deteriorates, so as to complete the voice call of the above-mentioned voice signal access request.

In the embodiment of the present invention, the above-mentioned circuit switching network includes the voice service network of the second generation mobile communication technology 2G and the voice service network of the third generation mobile communication technology 3G, and the frequency bands used by the two are similar to the 2.4G frequency band of WIFI. A certain frequency band spacing, so there will be no inter-band interference.

As an optional implementation manner, the first switching unit 303 falls back to the above-mentioned circuit switching network by using CSFB technology, so as to complete the voice call of the above-mentioned voice signal access request;

As an optional implementation manner, the first switching unit 303 uses the dual-mode single-standby wireless voice call continuous SRVCC technology to fall back to the above-mentioned circuit switching network, so as to complete the voice call of the above-mentioned voice signal access request.

It can be seen that, using the network access control device 100 described in FIG. 3 , when the VoLTE voice signal interferes with the WIFI signal, the voice service is returned to the data switching network to avoid LTE signals and WIFI signals. The adjacent frequency bands of the signal interfere, thereby ensuring the quality of WIFI data transmission and voice calls.

Please refer to FIG. 4 together. FIG. 4 is a schematic structural diagram of another network access control device 200 disclosed in an embodiment of the present invention. Wherein, the device 200 shown in FIG. 4 is obtained by optimizing the device 100 shown in FIG. 3 . Compared with the device 100 shown in FIG. 3 , the device 200 shown in FIG. 4 also includes:

The second monitoring unit 304 is configured to monitor whether the terminal device is disconnected from the WIFI network.

The second switching unit 305 is configured to, when the upper terminal device is disconnected from the WIFI network, reconnect to the packet switching network to complete the above voice call by using VoLTE.

In the embodiment of the present invention, if it is detected that the above-mentioned WIFI signal reception has stopped, it is considered to switch the voice call service back to the packet switching network, so as to use VoLTE to provide users with a voice service with better call quality.

It can be seen that using the device 200 described in FIG. 4 , when VoLTE voice signals interfere with WIFI signals, the voice services are returned to the data switching network to avoid adjacent frequency bands between LTE signals and WIFI signals. Interference, so as to ensure the quality of WIFI data transmission and voice calls.

Please refer to FIG. 5 . FIG. 5 is a schematic structural diagram of a terminal device 1 disclosed in an embodiment of the present invention. As shown in FIG. 5 , the terminal device 1 includes: a processor 501 and a memory 502; wherein the memory 502 can be used for the cache required by the processor 501 to perform data processing, and can also be used to provide data for the processor 501 to perform data processing calls and the storage space for the obtained result data.

In the embodiment of the present invention, the processor 501 is used to perform the following operations by calling the program code stored in the memory 502:

Monitoring whether the terminal device 1 has a voice signal access request based on LTE voice VoLTE;

If so, then judge whether the signal of the wireless fidelity WIFI network of terminal device 1 deteriorates;

If yes, fall back from the VoLTE packet switching network to the circuit switching network, so as to complete the voice call of the above voice signal access request.

As an optional implementation manner, the processor 501 is further configured to perform the following operations by calling the program code stored in the memory 502:

Monitoring whether the above-mentioned terminal equipment is disconnected from the WIFI network;

If yes, then re-access the above-mentioned packet switching network to complete the above-mentioned voice call by using VoLTE.

In the terminal device 1 described in FIG. 5 , when the VoLTE voice signal interferes with the WIFI signal, the voice service is returned to the data switching network to avoid adjacent frequency band interference between the LTE signal and the WIFI signal, thereby Guarantee the quality of WIFI data transmission and voice calls.

Please refer to FIG. 6 . FIG. 6 is a schematic structural diagram of another terminal device 2 disclosed in an embodiment of the present invention. As shown in FIG. 6 , for ease of description, only the parts related to the embodiment of the present invention are shown, and for specific technical details not disclosed, please refer to the method part of the embodiment of the present invention. The terminal device 2 can be any terminal device including mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, sales terminal), vehicle-mounted computer, etc., taking the terminal as a mobile phone as an example:

FIG. 6 shows a block diagram of a partial structure of a terminal device 2 provided by an embodiment of the present invention, taking a mobile phone as an example. Referring to FIG. 6 , the mobile phone includes: a radio frequency (Radio Frequency, RF) circuit 601, a memory 602, an input unit 603, a display unit 604, a sensor 605, an audio circuit 606, a wireless fidelity (wireless fidelity, WiFi) module 607, and a processor 608 , and power supply 609 and other components. Those skilled in the art can understand that the structure of the mobile phone shown in FIG. 6 does not constitute a limitation to the mobile phone, and may include more or less components than shown in the figure, or combine some components, or arrange different components.

The following is a specific introduction to each component of the mobile phone in conjunction with Figure 6:

The RF circuit 601 can be used for sending and receiving information or receiving and sending signals during a call. In particular, after receiving the downlink information from the base station, it is processed by the processor 608; in addition, the designed uplink data is sent to the base station. Generally, the RF circuit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (Low Noise Amplifier, LNA), a duplexer, and the like. In addition, the RF circuit 601 can also communicate with networks and other devices through wireless communication. The above-mentioned wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile Communication (Global System of Mobile communication, GSM), General Packet Radio Service (General Packet Radio Service, GPRS), Code Division Multiple Access (Code Division Multiple Access) , CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (Long Term Evolution, LTE), email, Short Message Service (Short Messaging Service, SMS), etc.

The memory 602 can be used to store software programs and modules, and the processor 608 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 602 . The memory 602 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.); Data created by the use of mobile phones (such as audio data, phonebook, etc.), etc. In addition, the memory 602 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

The input unit 603 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the mobile phone. Specifically, the input unit 603 may include a touch panel 6031 and other input devices 6032 . The touch panel 6031, also referred to as a touch screen, can collect touch operations of the user on or near it (for example, the user uses any suitable object or accessory such as a finger or a stylus on the touch panel 6031 or near the touch panel 6031). operation), and drive the corresponding connection device according to the preset program. Optionally, the touch panel 6031 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the to the processor 608, and can receive and execute commands sent by the processor 608. In addition, the touch panel 6031 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 6031 , the input unit 603 may also include other input devices 6032 . Specifically, other input devices 6032 may include, but are not limited to, one or more of physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, joysticks, and the like.

The display unit 604 can be used to display information input by the user or provided to the user and various menus of the mobile phone. The display unit 604 may include a display panel 6041. Optionally, the display panel 6041 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), or the like. Furthermore, the touch panel 6031 can cover the display panel 6041. When the touch panel 6031 detects a touch operation on or near it, it sends it to the processor 608 to determine the type of the touch event, and then the processor 608 according to the touch event The type provides a corresponding visual output on the display panel 6041. Although in FIG. 6 , the touch panel 6031 and the display panel 6041 are used as two independent components to realize the input and input functions of the mobile phone, in some embodiments, the touch panel 6031 and the display panel 6041 can be integrated to form a mobile phone. Realize the input and output functions of the mobile phone.

The handset may also include at least one sensor 605, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 6041 according to the brightness of the ambient light, and the proximity sensor may turn off the display panel 6041 and/or or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the application of mobile phone posture (such as horizontal and vertical screen switching, related Games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. repeat.

The audio circuit 606, the speaker 6061 and the microphone 6062 can provide an audio interface between the user and the mobile phone. The audio circuit 606 can transmit the electrical signal converted from the received audio data to the speaker 6061, and the speaker 6061 converts it into an audio signal for output; After being received, it is converted into audio data, and then the audio data is processed by the output processor 608, and then sent to another mobile phone through the RF circuit 601, or the audio data is output to the memory 602 for further processing.

WiFi is a short-distance wireless transmission technology. The mobile phone can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 607, which provides users with wireless broadband Internet access. Although FIG. 6 shows a WiFi module 607, it can be understood that it is not an essential component of the mobile phone, and can be completely omitted as required without changing the essence of the invention.

The processor 608 is the control center of the mobile phone. It uses various interfaces and lines to connect various parts of the entire mobile phone. By running or executing software programs and/or modules stored in the memory 602, and calling data stored in the memory 602, execution Various functions and processing data of the mobile phone, so as to monitor the mobile phone as a whole. Optionally, the processor 608 may include one or more processing units; preferably, the processor 608 may integrate an application processor and a modem processor, wherein the application processor mainly processes operating systems, user interfaces, and application programs, etc. , the modem processor mainly handles wireless communications. It can be understood that the foregoing modem processor may not be integrated into the processor 608 .

The mobile phone also includes a power supply 609 (such as a battery) for supplying power to various components. Preferably, the power supply can be logically connected to the processor 608 through the power management system, so that functions such as charging, discharging, and power consumption management can be realized through the power management system.

Although not shown, the mobile phone may also include a camera, a Bluetooth module, etc., which will not be repeated here.

In the foregoing embodiments, the method flow of each step can be implemented based on the structure of the terminal device. Both the application layer and the operating system kernel can be regarded as components of the abstract structure of the processor 608 .

In the embodiment of the present invention, the processor 608 is used to perform the following operations by calling the program code stored in the memory 602:

Monitoring whether the terminal device 2 has a voice signal access request based on LTE voice VoLTE;

If so, then judge whether the signal of the wireless fidelity WIFI network of terminal device 2 deteriorates;

If yes, fall back from the VoLTE packet switching network to the circuit switching network, so as to complete the voice call of the above voice signal access request.

As an optional implementation manner, the processor 608 is further configured to perform the following operations by calling the program code stored in the memory 602:

Monitoring whether the terminal device is disconnected from the WIFI network;

If yes, then re-access the above-mentioned packet switching network to complete the above-mentioned voice call by using VoLTE.

In the terminal device 2 described in FIG. 6, when the voice signal of VoLTE interferes with the signal of WIFI, the voice service is returned to the data switching network to avoid the adjacent frequency band interference of the LTE signal and the WIFI signal, thereby Guarantee the quality of WIFI data transmission and voice calls.

It should be noted that, in the above embodiment of network access control device and terminal device, each unit included is only divided according to functional logic, but is not limited to the above division, as long as the corresponding functions can be realized; In addition, the specific names of the functional units are only for the convenience of distinguishing each other, and are not used to limit the protection scope of the present invention.

In addition, those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium. The storage medium includes Read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), programmable read-only memory (Programmable Read-only Memory, PROM), erasable programmable read-only memory (Erasable Programmable Read Only Memory, EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically-Erasable Programmable Read-Only Memory (EEPROM), CD-ROM ( CompactDisc Read-Only Memory, CD-ROM) or other optical disk storage, magnetic disk storage, tape storage, or any other computer-readable medium that can be used to carry or store data.

The above are only preferred specific implementation modes of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the embodiments of the present invention. , should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (10)

1. A method for controlling network access, comprising: Monitor whether the terminal device has a voice signal access request for voice VoLTE based on LTE; If so, then judge whether the signal of the wireless fidelity WIFI network of described terminal equipment deteriorates; If yes, fall back from the VoLTE packet switching network to the circuit switching network, so as to complete the voice call of the voice signal access request. 2. The method according to claim 1, wherein the stepping back from the VoLTE packet switching network to the circuit switching network to complete the voice call of the voice signal access request comprises: Falling back to the circuit switching network by using circuit domain fallback CSFB technology to complete the voice call of the voice signal access request; or, The dual-mode single-standby wireless voice call continuation SRVCC technology is used to fall back to the circuit switching network to complete the voice call requested by the voice signal access. 3. The method according to claim 2, wherein the stepping back from the VoLTE packet switching network to the circuit switching network to complete the voice call of the voice signal access request comprises: Select the second-generation mobile communication technology 2G voice service network or the third-generation mobile communication technology 3G voice service network, the hardware of the terminal device and the network standard and frequency band supported by the operator currently registered with the terminal device network access, to complete the voice call requested by the voice signal access. 4. The method according to claim 3, characterized in that, in the voice service network of the second generation mobile communication technology 2G or the voice service network of the third generation mobile communication technology 3G, the hardware of the terminal equipment and the The network standard and frequency band supported by the operators currently registered by the terminal device are used to perform network access to complete the voice call requested by the voice signal access, including: In the 2G voice service network or the 3G voice service network, the hardware of the terminal device and the network standard and frequency band supported by the operator currently registered with the terminal device, the terminal device has accessed The network standard and frequency band are used for network access, so as to complete the voice call requested by the voice signal access. 5. The method according to any one of claims 1 to 4, characterized in that, after the packet switching network of VoLTE falls back to the circuit switching network to complete the voice call of the voice signal access request, the The method also includes: Monitoring whether the terminal device is disconnected from the WIFI network; If yes, then re-access the packet switching network to complete the voice call using VoLTE. 6. A control device for network access, comprising: The first monitoring unit is used to monitor whether the terminal device has a voice signal access request based on LTE voice VoLTE; A judging unit, configured to judge whether the signal of the wireless fidelity WIFI network of the terminal device deteriorates when the voice signal of VoLTE is accessed in the terminal device; The first switching unit is configured to fall back from the VoLTE packet switching network to the circuit switching network when the signal of the WIFI network of the terminal device deteriorates, so as to complete the voice call requested by the voice signal access. 7. The device according to claim 6, wherein the first switching unit, Specifically, it is used to fall back to the circuit switching network by using the circuit domain fallback CSFB technology, so as to complete the voice call of the voice signal access request; or, It is specifically used to fall back to the circuit switching network by utilizing the dual-mode single-standby wireless voice call continuous SRVCC technology, so as to complete the voice call requested by the voice signal access. 8. The apparatus of claim 7, wherein: The first switching unit is specifically used to select the voice service network of the second-generation mobile communication technology 2G or the voice service network of the third-generation mobile communication technology 3G, the hardware of the terminal device and the current registration of the terminal device The network standards and frequency bands supported by the operators are used for network access, so as to complete the voice call requested by the voice signal access. 9. The device according to any one of claims 6-8, wherein the device further comprises: A second monitoring unit, configured to monitor whether the terminal device is disconnected from the WIFI network; The second switching unit is configured to, when the terminal device is disconnected from the WIFI network, reconnect to the packet switching network to complete the voice call by using VoLTE. 10. A terminal device, comprising: a processor and a memory, wherein the processor is configured to execute the method according to any one of claims 1-5.