CN111083748A - Network switching method, terminal and computer readable storage medium - Google Patents
Network switching method, terminal and computer readable storage medium Download PDFInfo
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- CN111083748A CN111083748A CN201811226132.0A CN201811226132A CN111083748A CN 111083748 A CN111083748 A CN 111083748A CN 201811226132 A CN201811226132 A CN 201811226132A CN 111083748 A CN111083748 A CN 111083748A
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- 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
- H04W36/0085—Hand-off measurements
- H04W36/0088—Scheduling hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a network switching method, which comprises the following steps: when a terminal is in a normal mode, determining whether the terminal meets a first preset switching condition or not based on a first signal parameter corresponding to a receiving path of the terminal and a first power parameter corresponding to a transmitting path of the terminal; and when the terminal meets a first preset switching condition, switching the normal mode into a single wireless voice call continuity (SRVCC) preference mode, calculating first target measurement data based on the first signal parameter, and sending the first target measurement data to a base station corresponding to the terminal. The invention also discloses a terminal and a computer readable storage medium. The terminal can be switched to the SRVCC preference mode in time, and the base station corresponding to the terminal can enable the terminal to initiate SRVCC according to the first target measurement data, so that the network can be switched in time when the performance of the uplink channel of the terminal is poor, and the terminal can be prevented from continuously trying the VoLTE call when the uplink performance is reduced.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a network switching method, a terminal, and a computer-readable storage medium.
Background
VoLTE (Voice over Long-Term Evolution, Voice over LTE) is a high-speed wireless communication standard for mobile phones and data terminals. It is based on IMS (IP Multimedia Subsystem network), using over LTE a profile (defined by the GSM association in prdir.92) that is tailored to the control plane and media plane of voice services. This enables voice services (control and media level) to be transported as data streams in LTE data bearer networks, meaning that it is no longer necessary to maintain and rely on traditional circuit switched voice networks, with voice and data capacity of VoLTE exceeding three times more than 3G UMTS and six times more than 2G GSM.
Currently, if the UE reports the measurement report to the network through the measurement of the LTE and 3G/2G cells, the network may drop the UE back to the 3G or 2G network to continue the Voice Call through SRVCC (Single Radio Voice Call Continuity). Because the network construction history of 2G and 3G is longer, the signal strength, the signal quality and the coverage range are generally superior to those of an LTE network, the requirements under most scenes can be met.
However, the existing scheme triggers SRVCC handover is completely based on the decision made by the UE on the measurement result of the downlink channel, and if the uplink performance of the UE antenna is degraded due to the foregoing reasons, the downlink signal measured by the UE is relatively good, but the uplink channel may have become very poor, for example, when the UE is located at the edge of a cell or in a weak signal environment, if the uplink performance of the UE antenna is degraded due to the reasons of UE design, production, handheld mode, and shielding of the UE case, etc., a large amount of uplink packet loss may occur. At this time, the UE still continues to try the VoLTE call, and the uplink data packet loss causes problems of call setup failure, long call setup delay, poor voice quality, single telephone call, abnormal call termination, and the like.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a network switching method, a terminal and a computer readable storage medium, aiming at solving the technical problems of call establishment failure, long call establishment delay, poor voice quality, single telephone call or abnormal call termination caused by continuously trying a VoLTE call when the uplink performance of an antenna of UE is reduced.
In order to achieve the above object, the present invention provides a network switching method, which includes the following steps:
when a terminal is in a normal mode, determining whether the terminal meets a first preset switching condition or not based on a first signal parameter corresponding to a receiving path of the terminal and a first power parameter corresponding to a transmitting path of the terminal;
and when the terminal meets a first preset switching condition, switching the normal mode into a single wireless voice call continuity (SRVCC) preference mode, calculating first target measurement data based on the first signal parameter, and sending the first target measurement data to a base station corresponding to the terminal.
Preferably, the step of determining whether the terminal satisfies a first preset switching condition based on a first signal parameter corresponding to a receiving path of the terminal and a first power parameter corresponding to a transmitting path of the terminal includes:
acquiring a first signal parameter of the receiving channel, and determining whether the receiving channel is in a signal difference state or not based on the first signal parameter;
and when the receiving access is in a signal difference state, determining whether a first power parameter of the transmitting access meets a first preset condition, wherein when the first power parameter meets the first preset condition, determining that the terminal meets a first preset switching condition.
Preferably, the step of determining whether the receiving path is in a signal difference state based on the first signal parameter comprises:
when the current first signal strength of the receiving path is determined to be less than or equal to the target signal strength or the current first signal quality of the receiving path is determined to be less than or equal to the target signal quality based on the first signal parameter, determining whether the second signal strength of the receiving path is less than or equal to the target signal strength or the second signal quality of the receiving path is less than or equal to the target signal quality within a first preset time period after the current time in real time;
determining the receiving path to be in a signal difference state when the second signal strength is less than or equal to a target signal strength or the second signal quality is less than or equal to a target signal quality;
the target signal strength is the current signal strength of the cell corresponding to the terminal, or the target signal quality is the current signal quality of the cell corresponding to the terminal.
Preferably, when the receiving path is in the signal difference state, the step of determining whether the first power parameter of the transmitting path meets a first preset condition includes:
when the receiving path is in a signal difference state, if a current first power margin of the transmitting path is smaller than a preset power, determining whether a second power margin of the transmitting path is smaller than the preset power within a second preset time length after the current time in real time, wherein the first power parameter comprises the first power margin and the second power margin;
and when the second power margin is smaller than the preset power, determining that the first power parameter meets a first preset condition.
Preferably, the step of calculating first target measurement data based on the first signal parameter comprises:
acquiring the current third signal strength or third signal quality of the receiving channel;
calculating the first target measurement data based on the third signal strength or third signal quality and a preset offset.
Preferably, the network switching method further includes:
when the terminal is in an SRVCC preference mode, determining whether the terminal meets a second preset switching condition based on a second signal parameter of the receiving path and a second power parameter of the transmitting path;
and when the terminal meets a second preset switching condition, controlling the terminal to exit the SRVCC preference mode, and sending second signal measurement data to the base station based on the second signal parameter.
Preferably, the step of determining whether the terminal satisfies a second preset switching condition based on the second signal parameter of the receiving path and the second power parameter of the transmitting path includes:
acquiring a second signal parameter of the receiving access, and determining whether the receiving access is in a strong signal state or not based on the second signal parameter;
and when the receiving access is in a signal strong state, determining whether a second power parameter of the transmitting access meets a second preset condition, wherein when the second power parameter meets the second preset condition, determining that the terminal meets a second preset switching condition.
Preferably, the step of determining whether the receiving path is in a signal strong state based on the second signal parameter comprises:
when the current third signal strength of the receiving path is determined to be greater than the target signal strength or the current third signal quality of the receiving path is determined to be greater than the target signal quality based on the second signal parameter, determining in real time that the fourth signal strength of the receiving path is greater than the target signal strength or the fourth signal quality of the receiving path is greater than the target signal quality within a first preset time period after the current time;
when the fourth signal strength is greater than the target signal strength or the fourth signal quality is greater than the target signal quality, determining that the receiving path is in a signal strength state;
the target signal strength is the current signal strength of the cell corresponding to the terminal, or the target signal quality is the current signal quality of the cell corresponding to the terminal.
Preferably, when the receiving path is in a signal strong state, the step of determining whether a second power parameter of the transmitting path meets a second preset condition includes:
when the receiving path is in a strong signal state, if a current third power margin of the transmitting path is greater than a preset power, determining whether a fourth power margin of the transmitting path is greater than the preset power within a second preset time length after the current time in real time, wherein the second power parameter comprises the third power margin and the fourth power margin;
and when the fourth power margin is greater than the preset power, determining that the second power parameter meets a second preset condition.
In addition, to achieve the above object, the present invention also provides a terminal, including: a memory, a processor and a network switching program stored on the memory and executable on the processor, the network switching program when executed by the processor implementing the steps of the network switching method of any of the above.
In addition, to achieve the above object, the present invention further provides a computer-readable storage medium having a network switching program stored thereon, where the network switching program, when executed by a processor, implements the steps of the network switching method according to any one of the above.
The invention determines whether the terminal meets a first preset switching condition or not based on a first signal parameter corresponding to a receiving channel of the terminal and a first power parameter corresponding to a transmitting channel of the terminal when the terminal is in a normal mode, then switches the normal mode to a Single Radio Voice Call Continuity (SRVCC) preference mode when the terminal meets the first preset switching condition, calculates first target measurement data based on the first signal parameter, and transmits the first target measurement data to a base station corresponding to the terminal, can timely switch the terminal to the SRVCC preference mode according to the first signal parameter of the receiving channel and the first power parameter of the transmitting channel, and the base station corresponding to the terminal can enable the terminal to initiate SRVCC according to the first target measurement data, thereby timely switching a network when the performance of an uplink channel of the terminal is poor, the method and the device avoid the situations of call establishment failure, overlong call establishment delay, poor voice quality, single telephone call or abnormal call termination caused by the fact that the terminal continuously tries the VoLTE call when the uplink performance is reduced, and improve user experience.
Drawings
Fig. 1 is a schematic structural diagram of a terminal in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a network handover method according to a first embodiment of the present invention;
fig. 3 is a detailed flowchart of a step of determining whether the terminal satisfies a first preset handover condition based on a first signal parameter corresponding to a receiving path of the terminal and a first power parameter corresponding to a transmitting path of the terminal in a second embodiment of the network handover method according to the present invention;
fig. 4 is a flowchart illustrating a detailed process of the step of determining whether the receiving path is in a signal difference state based on the first signal parameter according to the third embodiment of the network handover method of the present invention;
fig. 5 is a detailed flowchart of the step of determining whether the first power parameter of the transmitting path satisfies the first preset condition when the receiving path is in the signal difference state according to the fourth embodiment of the network switching method of the present invention;
fig. 6 is a detailed flowchart illustrating a step of calculating first target measurement data based on the first signal parameter according to a fifth embodiment of the network handover method of the present invention;
fig. 7 is a flowchart illustrating a network handover method according to a sixth embodiment of the present invention;
fig. 8 is a flowchart illustrating a detailed process of the step of determining whether the terminal satisfies a second predetermined handover condition based on a second signal parameter of the receiving path and a second power parameter of the transmitting path in the seventh embodiment of the network handover method according to the present invention;
fig. 9 is a flowchart illustrating a detailed process of the step of determining whether the receiving path is in a signal-strong state based on the second signal parameter according to the eighth embodiment of the network switching method of the present invention;
fig. 10 is a detailed flowchart of the step of determining whether the second power parameter of the transmission path satisfies the second preset condition when the reception path is in a signal strong state according to the ninth embodiment of the network switching method of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a terminal in a hardware operating environment according to an embodiment of the present invention.
The terminal of the embodiment of the invention can be a mobile terminal device such as a smart phone, a tablet computer, a portable computer and the like.
As shown in fig. 1, the terminal may include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Optionally, the terminal may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like. Such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display screen according to the brightness of ambient light, and a proximity sensor that may turn off the display screen and/or the backlight when the mobile terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), detect the magnitude and direction of gravity when the mobile terminal is stationary, and can be used for applications (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer and tapping) and the like for recognizing the attitude of the mobile terminal; of course, the mobile terminal may also be configured with other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which are not described herein again.
Those skilled in the art will appreciate that the terminal structure shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a network switching program.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be used to invoke a network switching program stored in the memory 1005.
In this embodiment, the terminal includes: the network switching system comprises a memory 1005, a processor 1001 and a network switching program which is stored on the memory 1005 and can be run on the processor 1001, wherein when the processor 1001 calls the network switching program stored in the memory 1005, the steps of the network switching method in each embodiment of the invention are executed.
Referring to fig. 2, fig. 2 is a flowchart illustrating a network switching method according to a first embodiment of the present invention.
In this embodiment, the network switching method includes
Step S100, when a terminal is in a normal mode, determining whether the terminal meets a first preset switching condition based on a first signal parameter corresponding to a receiving path of the terminal and a first power parameter corresponding to a transmitting path of the terminal;
in this embodiment, if the terminal is in the normal mode, the signal parameter of the receiving path and the power parameter of the transmitting path of the terminal may be obtained in real time or at regular time, where the signal parameter of the receiving path includes the signal strength or the signal quality of the receiving path, the power parameter of the transmitting path is a power headroom PHR of the transmitting path, and the power headroom PHR is specifically a difference between the maximum transmitting power of the transmitting path and the current transmitting power.
In this embodiment, when the terminal is in the normal mode, a first signal parameter of a receiving path and a first power parameter of a transmitting path are obtained, and whether the terminal satisfies a first preset switching condition is determined based on the first signal parameter and the first power parameter.
Specifically, when the first signal parameter includes signal strength, determining whether the signal strength of the receiving path in a period of time is less than or equal to the current signal strength of a cell corresponding to the terminal based on the first signal parameter, and if not, determining that the terminal does not satisfy a first preset handover condition; if so, determining whether the power margins of the transmission path in a period of time are all less than or equal to the preset power based on the first power parameter, if so, determining that the terminal meets a first preset switching condition, and if not, determining that the terminal does not meet the first preset switching condition.
Or when the first signal parameter includes signal quality, determining whether the signal quality of the receiving access in a period of time is less than or equal to the current signal quality of a cell corresponding to the terminal based on the first signal parameter, and if not, determining that the terminal does not meet a first preset switching condition; if so, determining whether the power margins of the transmission path in a period of time are all less than or equal to the preset power based on the first power parameter, if so, determining that the terminal meets a first preset switching condition, and if not, determining that the terminal does not meet the first preset switching condition.
Step S200, when the terminal meets a first preset switching condition, switching the normal mode into a single wireless voice call continuity (SRVCC) preference mode, calculating first target measurement data based on the first signal parameter, and sending the first target measurement data to a base station corresponding to the terminal;
in this embodiment, if the terminal meets a first preset handover condition, that is, the signal strength of the receiving path in a period of time is less than or equal to the current signal strength of the cell corresponding to the terminal, and the power headroom of the transmitting path in a period of time is less than or equal to a preset power, or the signal quality of the receiving path in a period of time is less than or equal to the current signal quality of the cell corresponding to the terminal, and the power headroom of the transmitting path in a period of time is less than or equal to a preset power, the normal mode of the terminal is switched to the SRVCC preference mode, at this time, the terminal calculates first target measurement data based on a first signal parameter, and sends the first target measurement data to the base station corresponding to the terminal, where the first target measurement data includes signal strength data or signal quality data, and if the first target measurement data is signal strength data, if the first target measurement data is signal strength data or signal quality data, the signal quality corresponding to the signal strength data is less than the signal quality of the current receiving signal of the receiving channel, so that the base station can more easily enable the UE terminal to initiate SRVCC when receiving the first target measurement data, thereby avoiding problems of VoLTE call establishment failure, long call establishment delay, poor voice quality, single call and the like.
In the network switching method provided in this embodiment, when a terminal is in a normal mode, it is determined whether the terminal satisfies a first preset switching condition based on a first signal parameter corresponding to a receiving path of the terminal and a first power parameter corresponding to a transmitting path of the terminal, then when the terminal satisfies the first preset switching condition, the normal mode is switched to a single radio voice call continuity, SRVCC, preference mode, a first target measurement data is calculated based on the first signal parameter, and the first target measurement data is sent to a base station corresponding to the terminal, the terminal can be switched to the SRVCC, according to the first signal parameter of the receiving path and the first power parameter of the transmitting path, and the base station corresponding to the terminal can cause the terminal to initiate SRVCC according to the first target measurement data, so as to switch a network in time when the performance of an uplink channel of the terminal is poor, the method and the device avoid the situations of call establishment failure, overlong call establishment delay, poor voice quality, single telephone call or abnormal call termination caused by the fact that the terminal continuously tries the VoLTE call when the uplink performance is reduced, and improve user experience.
Based on the first embodiment, a second embodiment of the network handover method of the present invention is proposed, and referring to fig. 3, in this embodiment, step S100 includes:
step S110, acquiring a first signal parameter of the receiving path, and determining whether the receiving path is in a signal difference state based on the first signal parameter;
step S120, when the receiving path is in a signal difference state, determining whether a first power parameter of the transmitting path meets a first preset condition, wherein when the first power parameter meets the first preset condition, determining that the terminal meets a first preset switching condition.
In this embodiment, when the terminal is in a normal state, a first signal parameter of a receiving path is acquired in real time or at regular time, and it is determined whether the receiving path is in a signal difference state based on the first signal parameter. If the first signal parameter comprises signal strength, determining whether the signal strength of the receiving access in a period of time is less than or equal to the current signal strength of a cell corresponding to the terminal based on the first signal parameter, if so, determining that the receiving access is in a signal difference state, otherwise, determining that the receiving access is in a signal strong state; or, if the first signal parameter includes signal quality, determining whether the signal quality of the receiving path in a period of time is less than or equal to the current signal quality of the cell corresponding to the terminal based on the first signal parameter, if so, determining that the receiving path is in a signal poor state, otherwise, determining that the receiving path is in a signal strong state.
When the receiving access is in a signal difference state, determining whether a first power parameter of the transmitting access meets a first preset condition, if so, determining that the terminal meets the first preset switching condition, and if not, determining that the terminal does not meet the first preset switching condition. Specifically, whether power margins of the transmission path in a period of time are all smaller than or equal to preset power is determined based on a first power parameter, if yes, the terminal is determined to meet a first preset switching condition, and if not, the terminal is determined not to meet the first preset switching condition.
According to the network switching method provided by the embodiment, the first signal parameter of the receiving access is obtained, whether the receiving access is in the signal difference state is determined based on the first signal parameter, and then whether the first power parameter of the transmitting access meets the first preset condition is determined when the receiving access is in the signal difference state, wherein when the first power parameter meets the first preset condition, the terminal meets the first preset switching condition is determined, whether the terminal meets the first preset switching condition can be accurately determined according to the first signal parameter and the first power parameter, the accuracy of switching the terminal to the SRVCC preference mode is improved, and the user experience is further improved.
Based on the second embodiment, a third embodiment of the network handover method of the present invention is proposed, and referring to fig. 4, in this embodiment, step S110 includes:
step S111, when the current first signal strength of the receiving path is determined to be less than or equal to the target signal strength or the current first signal quality of the receiving path is determined to be less than or equal to the target signal quality based on the first signal parameter, determining whether the second signal strength of the receiving path is less than or equal to the target signal strength or the second signal quality of the receiving path is less than or equal to the target signal quality within a first preset time period after the current time in real time;
step S112, when the second signal strength is less than or equal to the target signal strength or the second signal quality is less than or equal to the target signal quality, determining that the receiving path is in a signal difference state;
the target signal strength is the current signal strength of the cell corresponding to the terminal, or the target signal quality is the current signal quality of the cell corresponding to the terminal. The terminal can send an acquisition request to the base station corresponding to the terminal, so that the base station can feed back the current signal strength of the cell corresponding to the terminal or the current signal quality of the cell corresponding to the terminal.
In this embodiment, the first signal parameter includes the signal strength or the signal quality of the receiving path within a first preset time period after the current time. The first preset duration can be reasonably set, and is not described herein again.
If the first signal parameter is the signal strength, determining whether the current first signal strength of the receiving channel is less than or equal to the target signal strength, if the first signal strength is less than or equal to the target signal strength, determining whether the second signal strength of the receiving channel is less than or equal to the target signal strength within a first preset time period after the current time in real time, and if the second signal strength is less than or equal to the target signal strength, determining that the receiving channel is in a signal difference state. If the first signal strength is greater than the target signal strength or the second signal strength is greater than the target signal strength, the receiving path is determined to be in a signal-strong state, that is, when the signal strength is greater than the target signal strength in the first preset time period, the receiving path is determined to be in the signal-strong state.
If the first signal parameter is the signal quality, determining whether the current first signal quality of the receiving path is less than or equal to the target signal quality, if the first signal quality is less than or equal to the target signal quality, determining whether the second signal quality of the receiving path is less than or equal to the target signal quality within a first preset time period after the current time in real time, and if the second signal quality is less than or equal to the target signal quality, determining that the receiving path is in a signal difference state. If the first signal quality is greater than the target signal quality or the second signal quality is greater than the target signal quality, the receiving path is determined to be in a signal strong state, that is, when the signal quality greater than the target signal quality exists in the first preset time period, the receiving path is determined to be in the signal strong state.
In other embodiments, when it is determined that the current first signal strength of the receiving path is less than or equal to the target signal strength based on the first signal parameter, it may be determined in real time that the second signal quality of the receiving path is less than or equal to the target signal quality within a first preset time period after the current time; or, when the current first signal quality of the receiving channel is determined to be less than or equal to the target signal quality based on the first signal parameter, determining whether the second signal strength of the receiving channel is less than or equal to the target signal strength within a first preset time period after the current time in real time.
In the network handover method provided in this embodiment, when determining, based on the first signal parameter, that the current first signal strength of the receiving path is less than or equal to the target signal strength, or the current first signal quality of the receiving path is less than or equal to the target signal quality, it is determined in real time whether the second signal strength of the receiving path is less than or equal to the target signal strength, or the second signal quality of the receiving path is less than or equal to the target signal quality, within a first preset time period after the current time; and then when the second signal strength is less than or equal to the target signal strength or the second signal quality is less than or equal to the target signal quality, determining that the receiving access is in a signal difference state, and accurately determining whether the receiving access is in the signal difference state according to the signal strength or the signal quality of the receiving access within a first preset time length, so that the judgment accuracy that the terminal meets a first preset switching condition is improved, and the accuracy when the terminal is switched to the SRVCC preference mode is further improved.
Based on the second embodiment, a fourth embodiment of the network handover method of the present invention is proposed, and referring to fig. 5, in this embodiment, step S120 includes:
step S121, when the receiving path is in a signal difference state, if a current first power margin of the transmitting path is smaller than a preset power, determining whether a second power margin of the transmitting path is smaller than the preset power within a second preset time after the current time in real time;
step S122, when the second power headroom is less than the preset power, determining that the first power parameter meets a first preset condition.
Wherein the first power parameter comprises the first power headroom and the second power headroom.
In this embodiment, if the receiving path is in a signal difference state, it is determined whether a current first power headroom of the transmitting path is smaller than a preset power, if the first power headroom is smaller than the preset power, it is determined in real time whether a second power headroom of the transmitting path is smaller than the preset power within a second preset duration after the current time, and if the second power headroom is smaller than the preset power, it is determined that the first power parameter meets a first preset condition. And if the first power margin is larger than or equal to the preset power or a second power margin larger than or equal to the preset power exists in a second preset time, determining that the first power parameter does not meet a first preset condition.
The preset power can be reasonably set according to requirements, because the power margin PHR is the difference value between the maximum transmitting power of the transmitting channel and the current transmitting power, when the power margin is smaller than the preset power, the transmitting power is close to the full power for the terminal UE under the current condition, if the uplink channel continues to deteriorate, the transmitting power which can be improved by the UE is extremely limited, and at the moment, the UE is switched to a 3G/2G cell as soon as possible to avoid the voice quality problem.
The second preset duration can be reasonably set, and is not described herein again.
In the network switching method provided by this embodiment, when the receiving path is in the signal difference state, if the current first power headroom of the transmitting path is less than the preset power, it is determined in real time that the second preset duration after the current time is within the second preset duration, and if the second power headroom of the transmitting path is less than the preset power, then it is determined that the first power parameter meets the first preset condition, and it can be accurately determined whether the first power parameter meets the first preset condition according to the power headroom, so that the accuracy of determining that the terminal meets the first preset switching condition is improved, and the accuracy of switching the terminal to the SRVCC preference mode is further improved.
Based on the two embodiments, a fifth embodiment of the network handover method of the present invention is provided, and referring to fig. 6, in this embodiment, step S200 includes:
step S210, obtaining the current third signal strength or third signal quality of the receiving channel;
step S220, calculating the first target measurement data based on the third signal strength or the third signal quality and a preset offset.
In this embodiment, when the normal mode is switched to the SRVCC preference mode, the current third signal strength or third signal quality of the receiving path is obtained, that is, the duration after the obtaining time of the first signal strength or the first signal quality reaches the first preset duration, the signal strength or the signal quality of the receiving path is obtained, and the first target measurement data is calculated based on the third signal strength or the third signal quality and a preset offset, where the preset offset is a signal strength offset, the first target measurement data is the third signal strength minus a preset offset, and the first target measurement data is the third signal quality minus the preset offset when the preset offset is a signal quality offset.
Because the signal strength in the first target measurement data is less than the signal strength of the current received signal of the receiving channel, or the signal quality is less than the signal quality of the current received signal of the receiving channel, the base station can more easily enable the UE terminal to initiate SRVCC when receiving the first target measurement data, thereby avoiding the problems of VoLTE call establishment failure, long call establishment delay, poor voice quality, single telephone channel and the like.
According to the network switching method provided by the embodiment, the current third signal strength or third signal quality of the receiving channel is obtained, the first target measurement data is calculated based on the third signal strength or third signal quality and the preset offset, the first target measurement data can be accurately obtained, so that the base station corresponding to the terminal can enable the terminal to initiate the SRVCC according to the first target measurement data, and then the network is switched in time when the performance of the uplink channel of the terminal is poor, so that the situations of call establishment failure, long call establishment delay, poor voice quality, single telephone channel or abnormal call termination caused by the fact that the terminal continuously attempts the VoLTE call when the uplink performance is reduced are avoided, and the user experience is further improved.
Based on the foregoing embodiment, a sixth embodiment of the network handover method of the present invention is provided, and referring to fig. 7, in this embodiment, the network handover method further includes:
step S300, when the terminal is in the SRVCC preference mode, determining whether the terminal meets a second preset switching condition based on a second signal parameter of the receiving path and a second power parameter of the transmitting path;
in this embodiment, if the terminal is in the SRVCC preference mode, the signal parameter of the receiving path and the power parameter of the transmitting path of the terminal may be obtained in real time or at regular time, where the signal parameter of the receiving path includes the signal strength or the signal quality of the receiving path, the power parameter of the transmitting path is a power headroom PHR of the transmitting path, and the power headroom PHR is specifically a difference between the maximum transmitting power of the transmitting path and the current transmitting power.
In this embodiment, when the terminal is in the SRVCC preference mode, the second signal parameter of the receiving path and the second power parameter of the transmitting path are obtained, and whether the terminal satisfies the second preset handover condition is determined based on the second signal parameter and the second power parameter.
Specifically, when the second signal parameter includes the signal strength, determining whether the signal strengths of the receiving path in a period of time are all greater than the current signal strength of the cell corresponding to the terminal based on the second signal parameter, and if not, determining that the terminal does not satisfy a second preset handover condition; if so, determining whether the power margins of the transmitting access in a period of time are all larger than the preset power based on the second power parameter, if so, determining that the terminal meets a second preset switching condition, and if not, determining that the terminal does not meet the second preset switching condition.
Or when the second signal parameter includes signal quality, determining whether the signal quality of the receiving path in a period of time is greater than the current signal quality of the cell corresponding to the terminal based on the second signal parameter, and if not, determining that the terminal does not satisfy a second preset switching condition; if so, determining whether the power margins of the transmitting access in a period of time are all larger than the preset power based on the second power parameter, if so, determining that the terminal meets a second preset switching condition, and if not, determining that the terminal does not meet the second preset switching condition.
And step S400, when the terminal meets a second preset switching condition, controlling the terminal to exit the SRVCC preference mode, and sending second signal measurement data to the base station based on the second signal parameter.
In this embodiment, if the terminal meets a second preset switching condition, that is, the signal strength of the receiving path in a period of time is greater than the current signal strength of the cell corresponding to the terminal, and the power headroom of the transmitting path in a period of time is greater than the preset power, or the signal quality of the receiving path in a period of time is greater than the current signal quality of the cell corresponding to the terminal, and the power headroom of the transmitting path in a period of time is greater than the preset power, the terminal exits the SRVCC preference mode, at this time, the terminal calculates second target measurement data based on the second signal parameter, and sends the second target measurement data to the base station corresponding to the terminal, so that the base station switches the terminal to the normal mode according to the second target measurement data. The second target measurement data is the current signal strength or signal quality of the receiving channel.
In the network handover method provided by this embodiment, when the terminal is in the SRVCC preference mode, whether the terminal meets the second preset handover condition is determined based on the second signal parameter of the receiving path and the second power parameter of the transmitting path, then when the terminal meets the second preset handover condition, the terminal is controlled to exit the SRVCC preference mode, and second signal measurement data is sent to the base station based on the second signal parameter, the terminal can exit the SRVCC preference mode in time according to the second signal parameter of the receiving path and the second power parameter of the transmitting path, and the base station corresponding to the terminal can enter the normal mode according to the second target measurement data, thereby further improving user experience.
Based on the sixth embodiment, a seventh embodiment of the network handover method of the present invention is proposed, and referring to fig. 8, in this embodiment, step S300 includes:
step S310, acquiring a second signal parameter of the receiving channel, and determining whether the receiving channel is in a strong signal state based on the second signal parameter;
step S320, when the receiving path is in a signal strong state, determining whether a second power parameter of the transmitting path meets a second preset condition, wherein when the second power parameter meets the second preset condition, determining that the terminal meets a second preset switching condition.
In this embodiment, when the terminal is in the SRVCC preference mode, the second signal parameter of the receiving path is obtained in real time or at regular time, and it is determined whether the receiving path is in a signal strong state based on the second signal parameter. If the second signal parameter comprises signal strength, determining whether the signal strength of the receiving access in a period of time is greater than the current signal strength of a cell corresponding to the terminal based on the second signal parameter, if so, determining that the receiving access is in a signal strong state, otherwise, determining that the receiving access is in a signal poor state; or, if the second signal parameter includes signal quality, determining whether the signal quality of the receiving path in a period of time is greater than the current signal quality of the cell corresponding to the terminal based on the second signal parameter, if so, determining that the receiving path is in a signal strong state, otherwise, determining that the receiving path is in a signal poor state.
And when the receiving access is in a signal strong state, determining whether a second power parameter of the transmitting access meets a second preset condition, if so, determining that the terminal meets the second preset switching condition, and if not, determining that the terminal does not meet the second preset switching condition. Specifically, whether power margins of the transmission path in a period of time are all larger than preset power is determined based on a second power parameter, if yes, the terminal is determined to meet a second preset switching condition, and if not, the terminal is determined not to meet the second preset switching condition.
According to the network switching method provided by the embodiment, by acquiring the second signal parameter of the receiving access, determining whether the receiving access is in a signal strong state based on the second signal parameter, and then determining whether the second power parameter of the transmitting access meets the second preset condition when the receiving access is in the signal strong state, whether the terminal meets the second preset switching condition can be accurately determined according to the second signal parameter and the second power parameter, so that the accuracy of the terminal exiting the SRVCC preference mode is improved, and the user experience is further improved.
Based on the seventh embodiment, an eighth embodiment of the network handover method of the present invention is proposed, and referring to fig. 9, in this embodiment, step S310 includes:
step S311, when it is determined that the current third signal strength of the receiving path is greater than the target signal strength or the current third signal quality of the receiving path is greater than the target signal quality based on the second signal parameter, determining in real time that the fourth signal strength of the receiving path is greater than the target signal strength or the fourth signal quality of the receiving path is greater than the target signal quality within a first preset time period after the current time;
step S312, when the fourth signal strength is greater than the target signal strength or the fourth signal quality is greater than the target signal quality, determining that the receiving path is in a signal-strong state;
wherein the target signal strength is the current signal strength of the cell corresponding to the terminal, or the target signal quality is the current signal quality of the cell corresponding to the terminal
In this embodiment, the second signal parameter includes the signal strength or the signal quality of the receiving path within a first preset time period after the current time. The first preset duration can be reasonably set, and is not described herein again.
If the second signal parameter is the signal strength, determining whether the current third signal strength of the receiving channel is greater than the target signal strength, if so, determining whether the fourth signal strength of the receiving channel is greater than the target signal strength within a first preset time period after the current time in real time, and if so, determining that the receiving channel is in a signal strength state. If the third signal strength is less than or equal to the target signal strength, or the fourth signal strength is less than or equal to the target signal strength, the receiving path is determined to be in a signal difference state, that is, when the signal strength is less than or equal to the target signal strength within the first preset time period, the receiving path is determined to be in the signal difference state.
If the second signal parameter is the signal quality, determining whether the current third signal quality of the receiving path is greater than the target signal quality, if so, determining whether the fourth signal quality of the receiving path is less than or equal to the target signal quality within a first preset time period after the current time in real time, and if so, determining that the receiving path is in a signal strong state. If the first signal quality is less than or equal to the target signal quality or the second signal quality is less than or equal to the target signal quality, determining that the receiving path is in a signal difference state, that is, when the signal quality is less than or equal to the target signal quality within the first preset time period, determining that the receiving path is in the signal difference state
In the network switching method provided in this embodiment, when it is determined that the current third signal strength of the receiving path is greater than the target signal strength or the current third signal quality of the receiving path is greater than the target signal quality based on the second signal parameter, it is determined in real time that the fourth signal strength of the receiving path is greater than the target signal strength or the fourth signal quality of the receiving path is greater than the target signal quality within a first preset time period after the current time, and then when the fourth signal strength is greater than the target signal strength or the fourth signal quality is greater than the target signal quality, it is determined that the receiving path is in the signal-strong state, so as to accurately determine whether the receiving path is in the signal-strong state according to the signal strength or the signal quality of the receiving path within the first preset time period, thereby improving the accuracy of determining that the terminal meets the second preset switching condition, the accuracy of the terminal exiting the SRVCC preference mode is further improved.
Based on the seventh embodiment, a ninth embodiment of the network handover method of the present invention is proposed, and referring to fig. 10, in this embodiment, step S400 includes:
step S321, when the receiving path is in a signal strong state, if a current third power headroom of the transmitting path is greater than a preset power, determining in real time whether a fourth power headroom of the transmitting path is greater than the preset power within a second preset duration after the current time, where the second power parameter includes the third power headroom and the fourth power headroom;
step S322, when the fourth power headroom is greater than the preset power, determining that the second power parameter meets a second preset condition.
In this embodiment, if the receiving path is in a signal strong state, it is determined whether a current third power headroom of the transmitting path is smaller than a preset power, if the third power headroom is smaller than the preset power, it is determined in real time whether a fourth power headroom of the transmitting path is smaller than the preset power within a second preset time after the current time, and if the fourth power headroom is smaller than the preset power, it is determined that the second power parameter meets a second preset condition. And if the third power margin is larger than or equal to the preset power or a fourth power margin larger than or equal to the preset power exists in the second preset time, determining that the second power parameter does not meet the first preset condition.
The preset power can be reasonably set according to requirements, because the power margin PHR is the difference value between the maximum transmitting power of the transmitting channel and the current transmitting power, when the power margin is smaller than the preset power, the transmitting power is close to the full power for the terminal UE under the current condition, if the uplink channel continues to deteriorate, the transmitting power which can be improved by the UE is extremely limited, and at the moment, the UE is switched to a 3G/2G cell as soon as possible to avoid the voice quality problem.
The second preset duration can be reasonably set, and is not described herein again.
In the network switching method provided by this embodiment, when the receiving path is in a signal strong state, if the current third power headroom of the transmitting path is greater than the preset power, it is determined in real time whether the fourth power headroom of the transmitting path is greater than the preset power within a second preset duration after the current time, and then, when the fourth power headroom is greater than the preset power, it is determined that the second power parameter meets the second preset condition, and it can be accurately determined whether the second power parameter meets the second preset condition according to the power headroom, so that the accuracy of determining that the terminal meets the second preset switching condition is improved, and the accuracy of the terminal exiting the SRVCC preference mode is further improved.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where a network handover program is stored on the computer-readable storage medium, and the network handover program, when executed by a processor, implements the steps of the network handover method in the embodiments of the present invention.
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 (11)
1. A network switching method, characterized in that the network switching method comprises the steps of:
when a terminal is in a normal mode, determining whether the terminal meets a first preset switching condition or not based on a first signal parameter corresponding to a receiving path of the terminal and a first power parameter corresponding to a transmitting path of the terminal;
and when the terminal meets a first preset switching condition, switching the normal mode into a single wireless voice call continuity (SRVCC) preference mode, calculating first target measurement data based on the first signal parameter, and sending the first target measurement data to a base station corresponding to the terminal.
2. The network switching method of claim 1, wherein the step of determining whether the terminal satisfies a first preset switching condition based on a first signal parameter corresponding to a receiving path of the terminal and a first power parameter corresponding to a transmitting path of the terminal comprises:
acquiring a first signal parameter of the receiving channel, and determining whether the receiving channel is in a signal difference state or not based on the first signal parameter;
and when the receiving access is in a signal difference state, determining whether a first power parameter of the transmitting access meets a first preset condition, wherein when the first power parameter meets the first preset condition, determining that the terminal meets a first preset switching condition.
3. The network switching method of claim 2, wherein the step of determining whether the receive path is in a signal bad state based on the first signal parameter comprises:
when the current first signal strength of the receiving path is determined to be less than or equal to the target signal strength or the current first signal quality of the receiving path is determined to be less than or equal to the target signal quality based on the first signal parameter, determining whether the second signal strength of the receiving path is less than or equal to the target signal strength or the second signal quality of the receiving path is less than or equal to the target signal quality within a first preset time period after the current time in real time;
determining the receiving path to be in a signal difference state when the second signal strength is less than or equal to a target signal strength or the second signal quality is less than or equal to a target signal quality;
the target signal strength is the current signal strength of the cell corresponding to the terminal, or the target signal quality is the current signal quality of the cell corresponding to the terminal.
4. The network switching method according to claim 2, wherein the step of determining whether the first power parameter of the transmission path satisfies a first preset condition when the reception path is in the signal difference state comprises:
when the receiving path is in a signal difference state, if a current first power margin of the transmitting path is smaller than a preset power, determining whether a second power margin of the transmitting path is smaller than the preset power within a second preset time length after the current time in real time, wherein the first power parameter comprises the first power margin and the second power margin;
and when the second power margin is smaller than the preset power, determining that the first power parameter meets a first preset condition.
5. The network handover method of claim 2, wherein the step of calculating first target measurement data based on the first signal parameter comprises:
acquiring the current third signal strength or third signal quality of the receiving channel;
calculating the first target measurement data based on the third signal strength or third signal quality and a preset offset.
6. The network switching method according to any of claims 1 to 5, wherein the network switching method further comprises:
when the terminal is in an SRVCC preference mode, determining whether the terminal meets a second preset switching condition based on a second signal parameter of the receiving path and a second power parameter of the transmitting path;
and when the terminal meets a second preset switching condition, controlling the terminal to exit the SRVCC preference mode, and sending second signal measurement data to the base station based on the second signal parameter.
7. The network switching method of claim 6, wherein the step of determining whether the terminal satisfies a second preset switching condition based on the second signal parameter of the receiving path and the second power parameter of the transmitting path comprises:
acquiring a second signal parameter of the receiving access, and determining whether the receiving access is in a strong signal state or not based on the second signal parameter;
and when the receiving access is in a signal strong state, determining whether a second power parameter of the transmitting access meets a second preset condition, wherein when the second power parameter meets the second preset condition, determining that the terminal meets a second preset switching condition.
8. The network switching method of claim 7, wherein the step of determining whether the receive path is in a signal strong state based on the second signal parameter comprises:
when the current third signal strength of the receiving path is determined to be greater than the target signal strength or the current third signal quality of the receiving path is determined to be greater than the target signal quality based on the second signal parameter, determining in real time that the fourth signal strength of the receiving path is greater than the target signal strength or the fourth signal quality of the receiving path is greater than the target signal quality within a first preset time period after the current time;
when the fourth signal strength is greater than the target signal strength or the fourth signal quality is greater than the target signal quality, determining that the receiving path is in a signal strength state;
the target signal strength is the current signal strength of the cell corresponding to the terminal, or the target signal quality is the current signal quality of the cell corresponding to the terminal.
9. The network switching method according to claim 7, wherein the step of determining whether the second power parameter of the transmission path satisfies a second preset condition when the reception path is in a signal strong state comprises:
when the receiving path is in a strong signal state, if a current third power margin of the transmitting path is greater than a preset power, determining whether a fourth power margin of the transmitting path is greater than the preset power within a second preset time length after the current time in real time, wherein the second power parameter comprises the third power margin and the fourth power margin;
and when the fourth power margin is greater than the preset power, determining that the second power parameter meets a second preset condition.
10. A terminal, characterized in that the terminal comprises: memory, processor and a network switching program stored on the memory and executable on the processor, the network switching program when executed by the processor implementing the steps of the network switching method according to any of claims 1 to 9.
11. A computer-readable storage medium, having a network handover program stored thereon, which, when executed by a processor, performs the steps of the network handover method according to any one of claims 1 to 9.
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