CN113747381B - Method and device for fallback of evolved packet system and electronic equipment - Google Patents
Method and device for fallback of evolved packet system and electronic equipment Download PDFInfo
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- CN113747381B CN113747381B CN202111047245.6A CN202111047245A CN113747381B CN 113747381 B CN113747381 B CN 113747381B CN 202111047245 A CN202111047245 A CN 202111047245A CN 113747381 B CN113747381 B CN 113747381B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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Abstract
The application discloses an evolved packet system fallback method, an evolved packet system fallback device and electronic equipment, and belongs to the technical field of communication. The method comprises the following steps: sending a measurement report to network equipment, wherein the measurement report comprises first frequency point information of a first frequency point which is measured by a terminal; receiving frequency point drop indication information sent by the network equipment, wherein the frequency point drop indication information comprises second frequency point information of a second frequency point to be switched; determining a target frequency point used by the terminal in the fallback process according to the first frequency point information and the second frequency point information; and executing an EPS fallback process of the evolution grouping system according to the target frequency point.
Description
Technical Field
The present application belongs to the field of communications technologies, and in particular, to a fallback method and apparatus for an evolved packet system, and an electronic device.
Background
The 5G network includes two networking modes, non-Standalone Networking (NAS) and Standalone networking (SA). The 5G network provides voice services over an IP Multimedia Subsystem (IMS) using a voice over 4G architecture. According to different 5G network layouts, the 5G voice scheme may face a number of evolutions, such as: an Evolved Packet System (EPS) FallBack-VoNR (Voice Over NR, voice service operating in 5G frequency band), that is, a terminal resides in a 5G SA, and when a call request is received, voice and data FallBack is performed to 4G Long Term Evolution (Long Term Evolution, LTE).
The existing operator network has defects about the configuration of the EPS FallBack, and when the configuration of the network to the EPS FallBack is abnormal, the incoming call fails, and the communication experience is influenced.
Disclosure of Invention
An embodiment of the present application provides an evolved packet system FallBack method, an evolved packet system FallBack device, and an electronic device, so as to solve a problem of failed incoming call caused by abnormal EPS FallBack configuration.
In a first aspect, an embodiment of the present application provides an evolved packet system fallback method, where the method includes:
sending a measurement report to network equipment, wherein the measurement report comprises first frequency point information of a first frequency point which is measured by a terminal;
receiving frequency point drop indication information sent by the network equipment, wherein the frequency point drop indication information comprises second frequency point information of a second frequency point to be switched;
determining a target frequency point used by the terminal in the fallback process according to the first frequency point information and the second frequency point information;
and executing an EPS fallback process of the evolution grouping system according to the target frequency point.
In a second aspect, an embodiment of the present application provides an evolved packet system fallback apparatus, including:
the terminal comprises a sending module, a receiving module and a sending module, wherein the sending module is used for sending a measurement report to network equipment, and the measurement report comprises first frequency point information of a first frequency point which is measured by the terminal;
a first receiving module, configured to receive frequency point fallback indication information sent by the network device, where the frequency point fallback indication information includes second frequency point information of a second frequency point to be switched;
the determining module is used for determining a target frequency point used by the terminal in the fallback process according to the first frequency point information and the second frequency point information;
and the processing module is used for executing an EPS fallback process according to the target frequency point.
In a third aspect, an embodiment of the present application provides an electronic device, which includes a processor, a memory, and a program or instructions stored on the memory and executable on the processor, and when executed by the processor, the program or instructions implement the steps of the method according to the first aspect.
In a fourth aspect, embodiments of the present application provide a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the first aspect.
In a fifth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the first aspect.
In the embodiment of the application, the terminal sends a measurement report to the network equipment after completing the frequency point measurement, receives the frequency point fallback indication information configured by the network equipment, determines the target frequency point used by the terminal for fallback according to the first frequency point information completing the measurement and the second frequency point information included in the frequency point fallback indication information, and performs EPS fallback by using the target frequency point. The method and the device can avoid the situation that the call fails due to the fall back of the abnormal frequency point when the switching frequency point configured by the network equipment is abnormal, and improve the call success rate.
Drawings
FIG. 1 is a flow chart illustrating the establishment of a voice session according to an embodiment of the present application;
fig. 2 is a flowchart illustrating an evolved packet system fallback method according to an embodiment of the present application;
fig. 3 is a second flowchart illustrating an evolved packet system fallback method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an evolved packet system fallback apparatus according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 6 shows a second schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
Before introducing the embodiment of the present application, first, a process of implementing a terminal voice call is described, as shown in fig. 1, a communication system includes: a terminal (User Equipment, UE), a Radio Access Network (NG Radio Access Network, NG RAN), an Evolved UMTS Terrestrial Radio Access Network (Evolved Universal Radio Access Network, E-UTRAN), an Access and Mobility Management Function (Access and Mobility Management Function, AMF), a Mobility Management node (MME), a Serving GateWay (SGW), a Packet Data Network GateWay (Packet Data Network GateWay, PGW)/Session Management Function (Session Management Function, SMF)/User Plane Function (User Plane Function, UPF), policy Control Function Entity (Policy Control Function, PCF), and IMS, the step of implementing a voice call may include:
step 1, initiating a Quality of Service (QoS) flow established by voice in an uplink (MO) or downlink (MT) IMS voice session in the GS (MO or MT IMS voice session in 5 GS.
Step 2, the NW initiates the modification of Protocol Data Unit (PDU) session, and further sets up the QoS flow of IMS voice (NW initiated PDU session modification to setup QoS flow for IMS voice).
And 3, triggering a fallback and selecting a Measurement Report request (Trigger for fallback, optional Measurement Report Solicitation).
And step 4, rejecting PDU session modification to indicate that IMS Voice Fallback (Reject PDU session modification indication IMS Voice Fallback in progress) is in progress.
And 5, redirecting or switching to the EPS (Redirection to EPS).
Step 6a, tracking Area Update (TAU) program (TAU Procedure).
Step 6b, attach the Public Data Network (PDN) connection request (Attach with PDN connectivity request with request type "handover") with request type "switching".
And 7, initiating PDN connection modification by the NW, and establishing a voice special bearer (NW initialized PDN connection modification to setup specified bearer for voice).
And 8, continuing the IMS Voice session establishment (IMS Voice session establishment continuous).
And the terminal performs a fallback process on the redirected or switched LTE frequency point in the step 5.
The evolved packet system fallback method according to the embodiment of the present application is described below with reference to the drawings.
As shown in fig. 2, the evolved packet system fallback method provided in the embodiment of the present application is applied to a terminal, and includes:
The measurement report is generated after the terminal performs frequency point measurement according to a reconfiguration signaling sent by the network equipment. The terminal is registered in an SA network, and when the terminal receives a call request from other terminals, that is, receives an outside call, the network equipment can reconfigure a measurement frequency point of LTE through Radio Resource Control (RRC) signaling; the terminal measures the measurement frequency points configured by the network equipment to obtain a measurement report, wherein the measurement report comprises the frequency point information of one or more frequency points which are measured by the terminal.
After the terminal reports the measurement report to the network equipment, the network equipment determines the frequency point for the fallback process and sends frequency point fallback indication information to the terminal, where the frequency point fallback indication information is, for example: a direction or a Handover command. The frequency point fallback indication information may include or carry fallback LTE frequency point information, that is, the frequency point information of the second frequency point.
The frequency point (i.e., the second frequency point) determined by the network device to perform the fallback process may be a frequency point included in a measurement report reported by the terminal, and may also be an LTE frequency point that cannot be detected in the current LTE network environment. When the SA network is abnormal, the second frequency point may be an LTE frequency point that cannot be detected in the current LTE network environment, and the fall back by using the frequency point may cause communication failure.
And 203, determining a target frequency point used by the terminal in the fallback process according to the first frequency point information and the second frequency point information.
And 204, executing an EPS fallback process of the evolution grouping system according to the target frequency point.
And after receiving the frequency point fallback indication information, the terminal does not perform the fallback process according to the second frequency point indicated by the frequency point fallback indication information, needs to judge according to the first frequency point information and the second frequency point information, determines a target frequency point to be finally subjected to the fallback, performs the fallback process by using the target frequency point, performs an IMS call, and returns to the SA network after the call is finished.
According to the embodiment of the application, the terminal sends the measurement report to the network equipment after completing the frequency point measurement, receives the frequency point fallback indication information configured by the network equipment, determines the target frequency point used by the terminal for fallback according to the first frequency point information completing the measurement and the second frequency point information contained in the frequency point fallback indication information, and utilizes the target frequency point for EPS fallback. The method and the device can avoid the situation that the call fails due to the fall back of the abnormal frequency point when the switching frequency point configured by the network equipment is abnormal, and improve the call success rate.
Optionally, the network device is an independent network registered by the terminal, and the target frequency point is a long term evolution LTE frequency point. According to the embodiment of the application, in the process of EPS FallBack of a 5G terminal in a partial SA network, when the 5G terminal supports and opens SA and does not support VoNR, and the EPS FallBack is carried out, SA network equipment configures a measurement frequency point of LTE through an RRC reconfiguration signaling; the terminal finishes measurement and reports the LTE frequency point to the SA network equipment; the SA network device may send a Redirection or Handover signaling for Fallback.
As an optional embodiment, the determining, according to the first frequency point information and the second frequency point information, a target frequency point used by the terminal in the fallback process includes:
determining the target frequency point as the second frequency point under the condition that the second frequency point is determined to belong to the first frequency point according to the first frequency point information and the second frequency point information;
and determining the target frequency point as the first frequency point under the condition that the second frequency point is determined not to belong to the first frequency point according to the first frequency point information and the second frequency point information.
In this embodiment, the first frequency point information includes related parameters of the first frequency point, the second frequency point information includes related parameters of the second frequency point, and after the terminal receives frequency point fallback indication information sent by a network device, whether the second frequency point belongs to the first frequency point can be determined according to the first frequency point information and the second frequency point information, where the second frequency point belongs to the first frequency point is: the second frequency point is one or more of the first frequency points.
If the terminal determines that the second frequency point belongs to the first frequency point reported by the terminal according to the first frequency point information and the second frequency point information, the terminal drops back according to the second frequency point to carry out IMS conversation; and if the terminal determines that the second frequency point does not belong to the first frequency point reported by the terminal measurement according to the first frequency point information and the second frequency point information, the network equipment is considered to have wrong configuration on the dropped LTE frequency point, and if the dropped LTE frequency point fails to communicate due to the fact that the dropped LTE frequency point is carried out by using the wrong frequency point, the terminal drops back by using the first frequency point to carry out IMS conversation.
The embodiment can ensure that the frequency point which is dropped back by the terminal is the LTE frequency point which is required by the terminal to measure and report in the reconfiguration signaling of the network equipment, and when the frequency point which is configured in the frequency point dropping indication information of the network equipment is wrong, the network equipment is used for carrying out the dropping back process on the frequency point which is required by the terminal to measure and report in the reconfiguration signaling, thereby ensuring successful incoming call and improving the success rate of call.
Optionally, before sending the measurement report to the network device, the method further includes: and under the condition of receiving the call request, receiving a Radio Resource Control (RRC) reconfiguration signaling sent by network equipment, wherein the RRC reconfiguration signaling comprises frequency point information of a measurement frequency point.
And the RRC reconfiguration signaling is used for indicating the relevant information of the LTE frequency points which need to be measured and reported by the terminal. And after receiving the RRC reconfiguration signaling, the terminal carries out frequency point measurement according to the indication of the RRC reconfiguration signaling and reports a measurement report. Optionally, after sending the measurement report to the network device, the method further includes: and recording the first frequency point information so that the terminal determines a target frequency point for fallback according to the second information and the first information after receiving the frequency point fallback indication information sent by the network equipment.
A complete implementation process of the evolved packet system fallback method according to the present application is described below by using a specific embodiment, where a terminal is registered in an SA network, as shown in fig. 3, the process includes:
step 1: the external line calls the local machine and receives the external line incoming call.
And 2, step: the SA network equipment configures a measurement frequency point of the LTE through an RRC reconfiguration signaling;
and 3, step 3: the terminal completes LTE frequency point measurement in RRC reconfiguration signaling of the SA network equipment and reports a measurement report to the SA network equipment; the terminal records LTE frequency point information reported to the SA network equipment;
and 4, step 4: the SA network equipment receives the measurement report of the terminal, issues a Redirection or Handover command to perform a FablBack process, and carries LTE frequency point information of FallBack. When the SA network is normal, the FallBack LTE frequency point carried by Redirection or Handover is the LTE frequency point measured and reported by the terminal in the step 3; when the SA network has certain abnormity, the LTE frequency point carried by the FallBack is the LTE frequency point which can not be detected in the current LTE network environment.
And 5: the terminal judges whether the LTE frequency point in the step 4 is the LTE frequency point which is measured, reported and recorded by the terminal in the step 3;
step 6: if the LTE frequency point in the step 4 is the LTE frequency point in the step 3, the terminal performs fallback according to the LTE frequency point of the Fall Back in the step 4 (namely the frequency point specified by the network equipment) and performs IMS conversation;
and 7: if the LTE frequency point in the step 4 is not the LTE frequency point in the step 3, the terminal does not fall back according to the error frequency point carried in the FallBack, and the terminal falls back according to the LTE frequency point recorded by the terminal in the step 3 to carry out IMS conversation;
and step 8: and when the call is finished, returning to the SA.
According to the embodiment of the application, the terminal sends the measurement report to the network equipment after completing the frequency point measurement, receives the frequency point fallback indication information configured by the network equipment, determines the target frequency point used by the terminal for fallback according to the first frequency point information completing the measurement and the second frequency point information contained in the frequency point fallback indication information, and utilizes the target frequency point for EPS fallback. The method and the device can avoid the situation that the call fails due to the fall back of the abnormal frequency point when the switching frequency point configured by the network equipment is abnormal, and improve the call success rate. According to the embodiment of the application, the abnormal configuration of the SA network is identified, the terminal is intelligently used for measuring the reporting frequency point to perform EPS Fallback, and the user conversation experience is improved.
It should be noted that, in the evolved packet system fallback method provided in the embodiment of the present application, the execution main body may be an evolved packet system fallback apparatus, or a control module in the evolved packet system fallback apparatus, configured to execute the evolved packet system fallback method. The evolved packet system fallback method executed by the evolved packet system fallback apparatus is taken as an example in the embodiment of the present application to describe the evolved packet system fallback apparatus provided in the embodiment of the present application.
As shown in fig. 4, an embodiment of the present application further provides an evolved packet system fallback apparatus 400, including:
a sending module 410, configured to send a measurement report to a network device, where the measurement report includes first frequency point information of a first frequency point that a terminal completes measurement;
a first receiving module 420, configured to receive frequency point fallback indication information sent by the network device, where the frequency point fallback indication information includes second frequency point information of a second frequency point to be switched;
a determining module 430, configured to determine a target frequency point used by the terminal in a fallback process according to the first frequency point information and the second frequency point information;
and the processing module 440 is configured to execute an EPS fallback procedure according to the target frequency point.
Optionally, the determining module 430 includes:
a first determining unit, configured to determine that the target frequency point is the second frequency point when determining that the second frequency point belongs to the first frequency point according to the first frequency point information and the second frequency point information;
and the second determining unit is used for determining the target frequency point as the first frequency point under the condition that the second frequency point is determined not to belong to the first frequency point according to the first frequency point information and the second frequency point information.
Optionally, the apparatus further comprises:
a second receiving module, configured to receive a radio resource control RRC reconfiguration signaling sent by a network device under the condition that a call request is received, where the RRC reconfiguration signaling includes frequency point information of a measurement frequency point.
Optionally, the apparatus further comprises:
and the recording module is used for recording the first frequency point information.
Optionally, the network device is an independent network registered by the terminal, and the target frequency point is a long term evolution LTE frequency point.
According to the embodiment of the application, the terminal sends the measurement report to the network equipment after completing the frequency point measurement, receives the frequency point fallback indication information configured by the network equipment, determines the target frequency point used by the terminal for fallback according to the first frequency point information completing the measurement and the second frequency point information contained in the frequency point fallback indication information, and utilizes the target frequency point for EPS fallback. The method and the device can avoid the situation that the call fails due to the fall back of the abnormal frequency point when the switching frequency point configured by the network equipment is abnormal, and improve the call success rate. According to the embodiment of the application, the abnormal configuration of the SA network is identified, the EPS Fallback is intelligently performed by using the terminal measurement reporting frequency point, and the user conversation experience is improved.
The evolved packet system fallback apparatus in the embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal. The device can be mobile electronic equipment or non-mobile electronic equipment. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine or a self-service machine, and the like, and the embodiments of the present application are not particularly limited.
The evolved packet system fallback apparatus in the embodiment of the present application may be an apparatus having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, and embodiments of the present application are not limited specifically.
The evolved packet system fallback apparatus provided in the embodiment of the present application can implement each process implemented by the evolved packet system fallback apparatus in the method embodiments of fig. 1 to fig. 3, and is not described here again to avoid repetition.
Optionally, as shown in fig. 5, an electronic device 500 is further provided in the embodiment of the present application, and includes a processor 501, a memory 502, and a program or an instruction stored in the memory 502 and capable of running on the processor 501, where the program or the instruction is executed by the processor 501 to implement each process of the foregoing evolved packet system fallback method embodiment, and can achieve the same technical effect, and is not described again here to avoid repetition.
It should be noted that the electronic devices in the embodiments of the present application include the mobile electronic devices and the non-mobile electronic devices described above.
Fig. 6 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 600 includes, but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and the like.
Those skilled in the art will appreciate that the electronic device 600 may further comprise a power source (e.g., a battery) for supplying power to the various components, and the power source may be logically connected to the processor 610 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system. The electronic device structure shown in fig. 6 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.
The radio frequency unit 601 is configured to send a measurement report to a network device, where the measurement report includes first frequency point information of a first frequency point where a terminal completes measurement;
receiving frequency point drop indication information sent by the network equipment, wherein the frequency point drop indication information comprises second frequency point information of a second frequency point to be switched;
the processor 610 is configured to determine a target frequency point used by the terminal in the fallback process according to the first frequency point information and the second frequency point information;
and executing an EPS fallback process of the evolution grouping system according to the target frequency point.
According to the embodiment of the application, the terminal sends the measurement report to the network equipment after completing the frequency point measurement, receives the frequency point fallback indication information configured by the network equipment, determines the target frequency point used by the terminal for fallback according to the first frequency point information completing the measurement and the second frequency point information contained in the frequency point fallback indication information, and utilizes the target frequency point for EPS fallback. The method and the device can avoid the situation that the call fails due to the fall back of the abnormal frequency point when the switching frequency point configured by the network equipment is abnormal, and improve the call success rate.
Optionally, the processor 610 is specifically configured to: determining the target frequency point as the second frequency point under the condition that the second frequency point is determined to belong to the first frequency point according to the first frequency point information and the second frequency point information;
and determining the target frequency point as the first frequency point under the condition that the second frequency point is determined not to belong to the first frequency point according to the first frequency point information and the second frequency point information.
Optionally, the radio frequency unit 601 is further configured to receive a radio resource control RRC reconfiguration signaling sent by a network device under the condition that a call request is received, where the RRC reconfiguration signaling includes frequency point information of a measurement frequency point.
Optionally, the memory 609 is configured to record the first frequency point information.
Optionally, the network device is an independent network for terminal registration, and the target frequency point is a long term evolution LTE frequency point.
According to the embodiment of the application, the terminal sends the measurement report to the network equipment after completing the frequency point measurement, receives the frequency point fallback indication information configured by the network equipment, determines the target frequency point used by the terminal for fallback according to the first frequency point information completing the measurement and the second frequency point information contained in the frequency point fallback indication information, and performs EPS fallback by using the target frequency point. The method and the device can avoid the situation that the call fails due to the fall back of the abnormal frequency point when the switching frequency point configured by the network equipment is abnormal, and improve the call success rate.
It is to be understood that, in the embodiment of the present application, the input Unit 604 may include a Graphics Processing Unit (GPU) 6041 and a microphone 6042, and the Graphics Processing Unit 6041 processes image data of a still picture or a video obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 607 includes a touch panel 6071 and other input devices 6072. A touch panel 6071 also referred to as a touch screen. The touch panel 6071 may include two parts of a touch detection device and a touch controller. Other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein. The memory 609 may be used to store software programs as well as various data including, but not limited to, application programs and an operating system. The processor 610 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 610.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the foregoing evolved packet system fallback method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the evolved packet system fallback method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method for fallback in an evolved packet system, comprising:
sending a measurement report to network equipment, wherein the measurement report comprises first frequency point information of a first frequency point which is measured by a terminal;
receiving frequency point fallback indication information sent by the network equipment, wherein the frequency point fallback indication information comprises second frequency point information of a second frequency point to be switched;
determining a target frequency point used by the terminal in the fallback process according to the first frequency point information and the second frequency point information;
executing an EPS fallback process of the evolution grouping system according to the target frequency point;
the determining a target frequency point used by the terminal in the fallback process according to the first frequency point information and the second frequency point information comprises the following steps:
determining the target frequency point as the second frequency point under the condition that the second frequency point is determined to belong to the first frequency point according to the first frequency point information and the second frequency point information;
and determining the target frequency point as the first frequency point under the condition that the second frequency point is determined not to belong to the first frequency point according to the first frequency point information and the second frequency point information.
2. The method of claim 1, wherein prior to sending the measurement report to the network device, the method further comprises:
and under the condition of receiving the call request, receiving a Radio Resource Control (RRC) reconfiguration signaling sent by network equipment, wherein the RRC reconfiguration signaling comprises frequency point information of a measurement frequency point.
3. The method of claim 1, wherein after sending the measurement report to the network device, the method further comprises:
and recording the first frequency point information.
4. The method according to any one of claims 1-3, wherein the network device is an independent network in which the terminal is registered, and the target frequency point is a Long Term Evolution (LTE) frequency point.
5. An evolved packet system fallback apparatus, comprising:
the terminal comprises a sending module, a receiving module and a sending module, wherein the sending module is used for sending a measurement report to network equipment, and the measurement report comprises first frequency point information of a first frequency point which is measured by the terminal;
a first receiving module, configured to receive frequency point drop indication information sent by the network device, where the frequency point drop indication information includes second frequency point information of a second frequency point to be switched;
the determining module is used for determining a target frequency point used by the terminal in the fallback process according to the first frequency point information and the second frequency point information;
the processing module is used for executing an EPS fallback process of the evolution packet system according to the target frequency point;
the determining module comprises:
a first determining unit, configured to determine that the target frequency point is the second frequency point when determining that the second frequency point belongs to the first frequency point according to the first frequency point information and the second frequency point information;
and the second determining unit is used for determining the target frequency point as the first frequency point under the condition that the second frequency point is determined not to belong to the first frequency point according to the first frequency point information and the second frequency point information.
6. The apparatus of claim 5, further comprising:
a second receiving module, configured to receive a radio resource control RRC reconfiguration signaling sent by a network device under the condition that a call request is received, where the RRC reconfiguration signaling includes frequency point information of a measurement frequency point.
7. The apparatus of claim 5, further comprising:
and the recording module is used for recording the first frequency point information.
8. The apparatus according to any one of claims 5-7, wherein the network device is an independent network in which a terminal is registered, and the target frequency point is a Long Term Evolution (LTE) frequency point.
9. An electronic device comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the evolved packet system fallback method according to any one of the claims 1 to 4.
10. A readable storage medium, on which a program or instructions are stored, which program or instructions, when executed by a processor, carry out the steps of the evolved packet system fallback method according to one of the claims 1 to 4.
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