CN113316105A - Voice service returning method, terminal equipment and storage medium - Google Patents
Voice service returning method, terminal equipment and storage medium Download PDFInfo
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- CN113316105A CN113316105A CN202110597753.5A CN202110597753A CN113316105A CN 113316105 A CN113316105 A CN 113316105A CN 202110597753 A CN202110597753 A CN 202110597753A CN 113316105 A CN113316105 A CN 113316105A
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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
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
Abstract
The embodiment of the application discloses a voice service returning method, terminal equipment and a storage medium, wherein the method comprises the following steps: after returning from the first network to the second network for voice service, receiving configuration information of inter-system measurement events issued by network equipment of the second network; and if the voice service is not finished, not responding to the configuration information of the different system measurement event.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, a terminal device, and a storage medium for returning a voice service.
Background
The fifth generation mobile communication technology (5th generation mobile networks, 5G) is the latest generation cellular mobile communication technology, wherein two voice access methods are defined in the 5G network: the New air interface carries Voice over New Radio (VoNR) and Evolved Packet System Fallback (EPS Fallback).
However, in the actual application process of the EPS fallback voice solution, there is a problem that the voice service is unstable, and the reliability of the voice service is reduced.
Disclosure of Invention
The embodiment of the application provides a voice service returning method, terminal equipment and a storage medium, which can ensure the stability of the voice service and effectively improve the reliability of the voice service.
The technical scheme of the embodiment of the application is realized as follows:
in a first aspect, an embodiment of the present application provides a method for returning a voice service, where the method includes:
after returning from a first network to a second network for voice service, receiving configuration information of inter-system measurement events issued by network equipment of the second network;
and if the voice service is not finished, not responding the configuration information of the different system measurement event.
In a second aspect, an embodiment of the present application provides a terminal device, where the terminal device includes: the receiving unit, the response unit,
the receiving unit is configured to receive configuration information of the inter-system measurement event sent by the network device of the second network after the voice service is performed from the first network to the second network;
the response unit is configured to not respond to the configuration information of the inter-system measurement event if the voice service is not completed.
In a third aspect, an embodiment of the present application provides a terminal device, where the terminal device includes a processor and a memory storing instructions executable by the processor, and when the instructions are executed by the processor, the method for returning a voice service according to the first aspect is implemented.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, on which a program is stored, where the program, when executed by a processor, implements the method for fallback of voice service according to the first aspect.
The embodiment of the application provides a voice service returning method, terminal equipment and a storage medium, wherein after the voice service is returned from a first network to a second network for voice service, configuration information of a different system measurement event sent by network equipment of the second network is received; and if the voice service is not finished, not responding to the configuration information of the different system measurement event. Therefore, in the embodiment of the application, after the terminal device and the first network trigger the EPS fallback flow and the 5G network is switched to the 4G network for the voice service, in the process of the voice service, the terminal is prevented from being abnormally switched back to the 5G network by the network by ignoring the report of the inter-system switching measurement event B1 of the 5G network, so that the stability of the voice service can be ensured, and the reliability of the voice service is effectively improved.
Drawings
Fig. 1 is a schematic diagram of an application scenario of cell camping;
fig. 2 is a first schematic flow chart illustrating an implementation of a voice service returning method according to an embodiment of the present application;
fig. 3 is a schematic flow chart illustrating an implementation process of a voice service returning method according to an embodiment of the present application;
fig. 4 is a schematic flow chart illustrating a third implementation process of the voice service returning method according to the embodiment of the present application;
fig. 5 is a schematic flow chart of a fourth implementation process of the voice service fallback method according to the embodiment of the present application;
fig. 6 is a schematic flow chart of an implementation process of the return method of the voice service according to the embodiment of the present application;
fig. 7 is a schematic diagram illustrating an implementation of a fallback method for a current voice service;
fig. 8 is a schematic flow chart illustrating a sixth implementation process of the voice service returning method according to the embodiment of the present application;
fig. 9 is a seventh implementation flow diagram of a voice service returning method according to an embodiment of the present application;
fig. 10 is a first schematic structural diagram of a terminal device according to an embodiment of the present application;
fig. 11 is a schematic structural diagram of a terminal 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. It is to be understood that the specific embodiments described herein are illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the parts related to the related applications are shown in the drawings.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the application.
In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict. It should also be noted that reference to the terms "first \ second \ third" in the embodiments of the present application is only used for distinguishing similar objects and does not represent a specific ordering for the objects, and it should be understood that "first \ second \ third" may be interchanged with a specific order or sequence where possible so that the embodiments of the present application described herein can be implemented in an order other than that shown or described herein.
In a fourth generation mobile communication technology (4G) network, when a terminal (User Equipment, UE) initiates a voice service, two methods are mainly included: voice over Long-Term Evolution (VoLTE) and Circuit Switched Fallback (CS Fallback) over Long Term Evolution (Long Term Evolution, LTE). For the CS fallback mode, when initiating a voice service, the UE may carry an Extra Service Request (ESR) to the core network device, and directly initiate the CS fallback.
With the further acceleration of the third Generation Partnership Project (3 GPP)5G standard, voice solutions for 5G terminals are receiving increasing attention from the industry.
Two voice access modes are defined in the 5G network: VoNR and EPS fallback based on New Radio (NR). The VoNR scheme is that a 5G access network and a core network provide a voice service based on an IP Multimedia Subsystem (IMS), and the EPS fallback scheme is that a terminal falls back to 4G when initiating an IMS call on the 5G network, and the voice service is implemented through the 4G network.
Currently, in the EPS fallback scheme, the UE first performs attachment and registration on the core network side, and implements IMS domain registration, and then enters an idle state. When there is voice service, a Quality of service flow (QoS flow) is established for the voice service, and then the Radio Access Network (RAN) side determines whether to initiate EPS fallback or VoNR, which involves multiple interactions between the wireless side and the core Network.
In the initial stage of 5G deployment, the coverage degree of a 4G network cannot be achieved, and the coverage is mainly in a hot spot area, so that a fast internet access service is provided for a mobile phone terminal user, and for a 5G voice service, most of existing operators do not support VoNR and rely on the conventional VoLTE to provide a voice service, so that a voice solution of EPS fallback provided by 3GPP for a terminal that does not support VoNR can be used for performing the voice service on 5G, and the terminal cooperates with the network to fall back to LTE to perform the VoLTE voice service, thereby realizing voice continuity.
However, in the EPS fallback voice solution, in the actual application process, the terminal triggers the voice service on the 5G network, and then falls back to the LTE through triggering of the EPS fallback to perform the VoLTE call, but in the VoLTE establishment process, there is a problem that the network switches the terminal back to the 5G terminal through the inter-system handover indication, and the terminal and the network at this time do not support the volr service, so that a call establishment failure or a call drop is caused, and the voice service experience of the 5G terminal is seriously affected.
Therefore, the existing EPS fallback voice solution has the problem of unstable voice service, and the reliability of the voice service is reduced.
In order to solve the problems, after returning from a first network to a second network for voice service, receiving configuration information of inter-system measurement events sent by network equipment of the second network; and if the voice service is not finished, not responding to the configuration information of the different system measurement event. Therefore, in the embodiment of the application, after the terminal device and the first network trigger the EPS fallback flow and the 5G network is switched to the 4G network for the voice service, in the process of the voice service, the terminal is prevented from being abnormally switched back to the 5G network by the network by ignoring the report of the inter-system switching measurement event B1 of the 5G network, so that the stability of the voice service can be ensured, and the reliability of the voice service is effectively improved.
It can be understood that, for a terminal device supporting a 5G network, procedures such as attach and registration are performed after the terminal device is powered on, and the terminal device enters an idle state after IMS registration is performed. Thereafter, the calling/called (voice service) of the idle terminal sends invite signaling to the IMS through a Scheduling Request (SR) process, Protocol Data Unit (PDU) session (session) reestablishment, and the like. After the Invite signaling is sent to the IMS, the IMS indicates a core network (5G), the core network (5G) requires the base station (5G) to perform bearer establishment (QoS flow establishment), and the base station (5G) determines to use VoNR or trigger EPS fallback to implement a voice service according to UE capability, Access and Mobility Management Function (AMF) indication, network configuration (whether a network interface exists between a 5G network and a 4G network), radio conditions (radio environment information), and the like.
In this application, a network device is a device in a wireless network, for example, a RAN node that accesses a terminal to the wireless network. Currently, some examples of RAN nodes are: a gbb, a Transmission Reception Point (TRP), an evolved Node B (eNB), a Radio Network Controller (RNC), a Node B (NB), a Base Station Controller (BSC), a Base Transceiver Station (BTS), a home base station (e.g., home evolved Node B, or home Node B, HNB), a Base Band Unit (BBU), or a wireless fidelity (Wifi) Access Point (AP), etc. In one network structure, a network device may include a Centralized Unit (CU) node, or a Distributed Unit (DU) node, or a RAN device including a CU node and a DU node, which is not limited herein.
In the application, the terminal device may be a wireless terminal device or a wired terminal device, and the wireless terminal device may refer to a device having a wireless transceiving function, and may be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal device may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a wireless terminal device in self driving (self driving), a wireless terminal device in remote medical treatment (remote medical), a wireless terminal device in smart grid (smart grid), a wireless terminal device in transportation safety (transportation safety), a wireless terminal device in smart city (smart city), a wireless terminal device in smart home (smart home), and the like, which are not limited herein.
It can be understood that, in the embodiment of the present application, the terminal device may also be referred to as a User Equipment (UE).
The technical solution described in the embodiments of the present application can be used in various communication systems, including 2G, 3G, 4G, 5G communication systems or next generation (next generation) communication systems, such as Global System for mobile communications (GSM), Code Division Multiple Access (Code Division Multiple Access, CDMA) systems, Time Division Multiple Access (TDMA) systems, Wideband Code Division Multiple Access (WCDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, FDMA (SC-FDMA) systems, General Packet Radio Service (Radio, Service) systems, and the like.
It should be noted that, in the embodiment of the present application, fig. 1 is a schematic view of an application scenario in which a cell resides, and as shown in fig. 1, the voice service fallback method provided in the present application may be applied to a terminal device, where a communication connection is established between the terminal device and a network device. Optionally, the terminal device may establish a communication connection with the network device through a fourth generation, a fifth generation, and other mobile communication technologies, and a communication connection manner of the terminal device and the network device is not limited in this embodiment of the application.
In general, a plurality of network devices may exist near a terminal device, the terminal device may select a cell as a serving cell (may also be referred to as a "camping cell") according to a service quality value (such as a signal quality) of a cell in which each network device is located, the service quality values of the cells in which different network devices are located may differ, and the terminal device should camp in a cell with a better service quality value. As shown in fig. 1, it is assumed that there are three network devices, which are a network device 1, a network device 2, and a network device 3, and the terminal device resides in a cell 1 where the network device 1 is located, where the cell 1 is a serving cell of the terminal device, and both the cell 2 where the network device 2 is located and the cell 3 where the network device 3 is located are adjacent to the cell 1, that is, the cell 2 and the cell 3 are adjacent cells (also referred to as "neighbor cells") of the cell 1.
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.
An embodiment of the present application provides a method for returning a voice service, fig. 2 is a schematic view illustrating an implementation flow of the method for returning a voice service provided in the embodiment of the present application, and as shown in fig. 2, in the embodiment of the present application, a method for a terminal device to return a voice service may include the following steps:
In the embodiment of the present application, after the terminal device returns from the first network to the second network to perform the voice service, the terminal device may receive configuration information of the inter-system measurement event sent by the network device of the second network.
It is understood that, in the embodiment of the present application, the terminal device may be referred to as a User Equipment (UE). The Terminal device may be a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) Station, a Personal Digital Assistant (PDA), or the like, and may also be a smart phone, a tablet computer, a palm computer, a Mobile Station (MS), a Mobile Terminal (Mobile Terminal), or the like, and the Terminal device may communicate with one or more Network devices through a Radio Access Network (RAN). The terminal equipment may be, for example, a mobile telephone (or so-called "cellular" telephone) or a computer with terminal equipment, etc., and may also be, for example, a portable, pocket, hand-held, computer-included, or vehicle-mounted mobile device that exchanges voice and/or data with the radio access network. The terminal device may also be a handheld device with a wireless communication function, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a network evolving in the future, and the like, and the implementation of the present application is not limited.
It should be noted that, in the embodiment of the present application, the first network and the second network are two different networks. The first network may be a network that does not support voice services, and the second network may be a network that supports voice services.
Optionally, in this application, the network speed of the first network is faster than that of the second network, for example, the first network may be a 5G network and the second network may be a 4G network.
Alternatively, in the present application, the first network may be a higher-level network, and the second network may be a network lower by one or more levels than the first network. For example, the first network may be a 4G network, and the second network may be a 3G network or a 2G network.
Further, in an embodiment of the present application, the terminal device may first reside in the first network, and if it is determined that the voice service is not supported, after detecting the voice service on the first network, the terminal device may select to return to the second network for performing the voice service, and after returning to the second network, receive configuration information of the inter-system measurement event sent by the network device of the second network.
It should be noted that, in the embodiment of the present application, the configuration information of the inter-system measurement event is used to control the terminal device to perform inter-system handover. For example, if the second network is a 4G network, the configuration information of the inter-system measurement Event sent by the network device of the second network is the configuration information of a B1 Event (Event B1), where the B1 Event indicates that the quality of the inter-system neighboring cell is higher than a certain threshold, and when the condition Event is reported, the source eNodeB starts an inter-system handover request.
Further, in the embodiment of the present application, the configuration information of the inter-system measurement event sent by the network device of the second network may be the configuration information of the inter-system measurement event for the first network. For example, the first network is a 5G network, and the second network is a 4G network, then the configuration information of the inter-system measurement event sent by the network device of the second network may be the configuration information of the B1 event of the 5G network.
And 102, if the voice service is not finished, not responding to the configuration information of the different system measurement event.
In the embodiment of the present application, after returning from the first network to the second network to perform the voice service and receiving the configuration information of the inter-system measurement event sent by the network device of the second network, if the voice service is not completed, the terminal device may not respond to the configuration information of the inter-system measurement event sent by the network device of the second network.
It should be noted that, in the embodiment of the present application, after determining that the voice service is not completed, that is, after determining that the voice service is ongoing, the terminal device may consider that the voice service is ongoing, and if the resident network is switched, it may cause interruption of the voice service, and therefore, the terminal device may choose not to respond to the configuration information of the different system measurement event.
Further, in the embodiment of the present application, the manner in which the terminal device does not respond to the configuration information of the inter-system measurement event may be that network measurement of the inter-system measurement event is not performed according to the configuration information of the inter-system measurement event; the network device may also be configured to not report the measurement result obtained by the network measurement to the network device of the second network after the network measurement of the inter-system measurement event is performed according to the configuration information of the inter-system measurement event.
Specifically, in the present application, if it is determined that the voice service is not completed, in order to ensure stability of the voice service, the terminal device may choose to ignore configuration information of the inter-system measurement event sent by the network device of the second network, and perform network measurement processing based on the configuration information, so as to prevent switching from the second network to the first network during the voice service.
Accordingly, in the present application, after receiving the configuration information of the inter-system measurement event sent by the network device of the second network, the terminal device may perform network measurement of the inter-system measurement event according to the configuration information of the inter-system measurement event, so as to obtain a measurement result. If the voice service is determined not to be completed, the terminal device may choose not to report the measurement result to the network device of the second network in order to ensure the stability of the voice service, so that the terminal device may be prevented from switching from the second network to the first network during the voice service.
Therefore, in the application, after receiving the configuration information of the inter-system measurement event sent by the network device of the second network, if it is determined that the voice service is not completed, the terminal device may select not to perform network measurement of the inter-system measurement event; alternatively, the measurement result obtained by measurement may not be reported to the network device of the second network after the network measurement of the inter-system measurement event is performed. That is, no matter which way the terminal device does not respond to the configuration information of the system measurement event, the terminal device will not report the different system measurement event to the network device of the second network, thereby ensuring the stability of the voice service.
Further, in an embodiment of the present application, fig. 3 is a schematic view of an implementation flow of a return method of a voice service provided in the embodiment of the present application, and as shown in fig. 3, after returning from a first network to a second network to perform the voice service, before receiving configuration information of a inter-system measurement event sent by a network device of the second network, that is, before step 101, the method for the terminal device to return the voice service may further include the following steps:
In an embodiment of the application, while the terminal device resides in the first network, if voice traffic is detected on the first network, the terminal device may send a fallback request to the network device of the first network after determining that voice traffic is not supported.
It should be noted that, in the embodiment of the present application, when determining whether to support the voice service, the terminal device may determine that the voice service is not supported if the first network does not support the voice service, or if the terminal device does not support the voice service based on the first network.
For example, in the present application, if the first network is a 5G network, if the terminal device or the first network does not support voice service over 5G, that is, the terminal device does not support VoNR, or the first network does not support VoNR, the terminal device may determine that the voice service is not supported.
Further, in an embodiment of the present application, if it is determined that the voice service is not supported, the terminal device may send a fallback request to the network device of the first network. Wherein the fallback request may characterize a request to fall back from the first network to the second network.
For example, in this application, if the first network is a 5G network, the terminal device may send the fallback request to the network device of the first network through triggering of the EPS fallback. The NR voice service using EPS Fallback can enable the UE to fall back from NG-RAN to LTE to establish VOLTE call during call establishment through a trigger mechanism. The trigger mechanism is initiated for several reasons, for example, the UE or the network may be triggered without the capability and function of the VoNR, or the UE or the network may be initiated with a temporary lack of coverage in the NR, or the like, but may also be triggered from the NG-RAN side by manually forced configuration.
Further, in the embodiment of the present application, the manner in which the terminal device detects the voice service on the first network may be that the terminal device initiates the voice service on the first network; the voice service may also be received on the first network for a terminal device.
That is to say, in the present application, the voice service detected by the terminal device on the first network may be a calling service, that is, the terminal device initiates a call request to another terminal; the service may also be called service, that is, the terminal device receives a call request initiated by another terminal.
And 104, receiving a return instruction sent by the network equipment of the first network.
In the embodiment of the present application, after the terminal device sends the return request to the network device of the first network, in response to the return request, the network device of the first network may issue a return instruction to the terminal device, that is, the terminal device may receive the return instruction issued by the network device of the first network.
It should be noted that, in the embodiment of the present application, the return indication sent by the network device of the first network may be used to instruct the terminal device to switch from the first network to the second network.
For example, in the present application, the return indication may include a redirection indication or a handover indication. The redirection instruction refers to an instruction of changing a serving cell when the terminal device is in a connected state, belongs to inter-system interoperation, carries target cell information through an RRC release message, and initiates access again according to the target cell information. The switching indication indicates that the terminal device is switched from the source cell to the target cell through a switching process, wherein resource application, data forwarding and the like can be performed between the source cell and the target cell.
It can be understood that, in the present application, the return indication sent by the network device of the first network carries the indicated frequency point or cell information, that is, the return indication includes network information used for indicating the second network.
And 105, returning to the second network according to the network information carried by the return indication so as to perform voice service on the second network.
In the embodiment of the present application, after receiving a return instruction issued by a network device of a first network, a terminal device may further return to the second network according to network information carried by the return instruction, so that the voice service may be performed on the second network.
Optionally, in this embodiment of the present application, if the return instruction sent by the network device of the first network is a redirection instruction, the terminal device may return the network information of the second network carried by the redirection instruction from the first network to the second network, so that the voice service may be performed on the second network.
Optionally, in an embodiment of the present application, if the return indication sent by the network device of the first network is a switching indication, the terminal device may switch from the first network to the second network according to the network information of the second network carried by the switching indication, so that a voice service may be performed on the second network.
It will be appreciated that in embodiments of the present application, the second network may be a network supporting voice services. For example, if the second network is a 4G network, the terminal device and the second network support VoLTE.
Further, in an embodiment of the present application, fig. 4 is a schematic view illustrating an implementation flow of a method for returning a voice service provided in the embodiment of the present application, and as shown in fig. 4, after returning from a first network to a second network to perform the voice service, and after receiving configuration information of a inter-system measurement event sent by a network device of the second network, that is, after step 101, the method for returning the voice service by a terminal device may further include the following steps:
and step 106, judging whether the voice service is finished.
In the embodiment of the present application, after receiving the configuration information of the inter-system measurement event sent by the network device of the second network, the terminal device may select not to directly respond to the configuration information of the inter-system measurement event, but first perform the judgment processing on whether the voice service is completed.
It is understood that, in the embodiment of the present application, if the status of the voice service is in a call or in a conversation, the voice service may be considered to be in progress, that is, the voice service is not completed, otherwise, the voice service may be considered to be completed.
For example, in the present application, the voice service may be a calling service or a called service. Therefore, when the voice service is in the call state, the terminal device may be calling another terminal, or the terminal device may be calling another terminal.
It should be noted that, in the embodiment of the present application, after the terminal device performs the processing of determining whether the voice service is completed, if it is determined that the voice service is completed, the terminal device may still select not to respond to the configuration information of the inter-system measurement event sent by the network device of the second network, in consideration of the timeliness of the communication information.
Further, in an embodiment of the present application, fig. 5 is a schematic view illustrating an implementation flow of a fallback method for a voice service proposed in the embodiment of the present application in a fourth implementation flow, as shown in fig. 5, after the configuration information of the inter-system measurement event is not responded if the voice service is not completed, that is, after step 102, the method for the terminal device to fallback the voice service may further include the following steps:
In the embodiment of the present application, if the voice service is not completed, the terminal device may not respond to the configuration information of the inter-system measurement event sent by the network device of the second network, but continue to perform the voice service in the second network until the voice service is completed, and may select to return to the first network after the voice service is completed.
Specifically, in the embodiment of the present application, after the terminal device completes the voice service on the second network, the terminal device may return to the first network through reselection or fast return (fast return). Wherein, the reselection is a change of a serving cell when the terminal device is in an idle state, and may be intra-system or inter-system; the fast return function may include two parts, a "fast forward" at call initiation and a "fast return" after call termination.
Further, in an embodiment of the present application, fig. 6 is a schematic view illustrating an implementation flow of a method for returning a voice service provided in the embodiment of the present application, as shown in fig. 6, after returning from a first network to a second network to perform the voice service, and after receiving configuration information of a inter-system measurement event sent by a network device of the second network, that is, after step 101, the method for returning the voice service by a terminal device may further include the following steps:
and step 108, if the voice service is finished, performing network measurement of the inter-system measurement event according to the configuration information to obtain a measurement result.
And step 109, reporting the measurement result to the network equipment of the second network.
In the embodiment of the present application, after returning from the first network to the second network to perform the voice service and receiving the configuration information of the inter-system measurement event sent by the network device of the second network, if the voice service is completed, the terminal device may respond to the configuration information of the inter-system measurement event sent by the network device of the second network, that is, perform network measurement of the inter-system measurement event according to the configuration information to obtain a measurement result, and then report the measurement result to the network device of the second network.
It should be noted that, in the embodiment of the present application, after determining that the voice service is completed, the terminal device may consider that, when the voice service is not performed, it needs to switch to another network with a faster network speed, and because the voice service is completed, performing network switching does not affect the voice service, and therefore, the terminal device may select to respond to the configuration information of the inter-system measurement event.
Specifically, in the present application, the terminal device may perform network measurement of the inter-system measurement event according to the configuration information of the inter-system measurement event, so as to obtain a measurement result. If the measurement result is an event that the quality of the inter-system neighbor cell is higher than a certain threshold, the terminal device may report the measurement result to the network device of the second network, so that the network device of the second network may respond to the measurement result and instruct the terminal device to switch from the cell in the second network system to the inter-system neighbor cell. The inter-system neighbor cell may be a cell in the first network system, or may be a cell in another network system, that is, based on the report of the measurement result of the inter-system measurement event, the terminal device may switch from the second network to the first network, or may switch from the second network to another network.
It should be noted that, in the embodiment of the present application, the network device is a device for providing a wireless communication function for the terminal device, and includes but is not limited to: an evolved Node B (eNB or e-NodeB) in a Long-Term Evolution (Long-Term Evolution, LTE) system, a New air interface (NR) system, or an authorized-Assisted Access Long-Term Evolution (LAA-LTE) system, a micro Base Station (also referred to as a "small Base Station"), a pico Base Station, a Base Transceiver Station (BTS), a Base Band Unit (BBU), an Access Point (Access Point, AP), a Transmission Point (TP), or a New generation Node B (gNodeB).
In summary, in the embodiment of the present application, through the method for returning the voice service provided in steps 101 to 109, after the terminal device and the first network trigger the EPS fallback procedure and switch from the 5G network to the 4G network to perform the voice service, the terminal can be prevented from being abnormally switched back to the 5G network by ignoring the report of the inter-system handover measurement event B1 of the 5G network during the EPS fallback session. That is to say, for an unreasonable inter-system handover measurement event of the 5G network configured by the network device in the EPS fallback call flow, the terminal device may avoid by prohibiting reporting of the B1 event, and interrupt a line through which the terminal device abnormally switches back to the 5G network after dropping back to the LTE, so that the stability of the voice service may be ensured, and the EPS fallback call experience of the 5G terminal device may be effectively improved.
It can be understood that, in the present application, when the terminal device switches from the 5G network to the 4G network to perform the voice service by triggering the EPS fallback procedure, once the terminal device is abnormally switched back to the 5G network, the voice service is likely to be interrupted, so that the terminal device is prevented from abnormally switching back to the 5G network in the EPS fallback communication process, and the reliability of the voice service of the 5G terminal device can be effectively improved.
It should be noted that, with the voice service returning method provided by the present application, for an unreasonable handover event issued by a network side during a call, a terminal device may perform customized reporting of the unreasonable handover event, and modify an unreasonable handover threshold value issued by the network side, so as to improve the call experience of the terminal device. That is to say, the method for returning the voice service provided by the present application is not limited to the EPS fallback communication flow, and can also be applied to other communication flows such as 2G/3G/4G/5G.
The embodiment of the application provides a voice service returning method, which comprises the steps of receiving configuration information of inter-system measurement events sent by network equipment of a second network after returning from a first network to the second network to carry out voice service; and if the voice service is not finished, not responding to the configuration information of the different system measurement event. Therefore, in the embodiment of the application, after the terminal device and the first network trigger the EPS fallback flow and the 5G network is switched to the 4G network for the voice service, in the process of the voice service, the terminal is prevented from being abnormally switched back to the 5G network by the network by ignoring the report of the inter-system switching measurement event B1 of the 5G network, so that the stability of the voice service can be ensured, and the reliability of the voice service is effectively improved.
Based on the foregoing embodiment, in yet another embodiment of the present application, fig. 7 is a schematic diagram illustrating an implementation of a return method for a currently common voice service, as shown in fig. 7, when a terminal device resides in a 5G network, the terminal device initiates a voice service on the 5G network (step 201), where the voice service may be a calling voice service or a called voice service; the terminal device may determine whether VoNR is supported (step 202); if the terminal device or the network does not support the voice service on the 5G network, i.e. does not support the VoNR, the terminal device may trigger the EPS fallback to switch to the 4G network (step 203), and then may perform the voice service on the 4G network (step 204), i.e. in order to perform the voice service under the condition that the VoNR is not supported, the terminal and the network may trigger the EPS fallback procedure to perform the voice service from the 5G network to the 4G network. After falling back to LTE, the network side issues a measurement configuration event of the 5G heterogeneous system of B1 (step 205); after the report condition of the B1 event is satisfied, the terminal device reports the measurement result of the B1 event to the network side (step 206); then, the terminal device switches back to the 5G network from the 4G network based on the indication issued by the network side (step 207), and at this time, if the voice service is still in progress, because the terminal device or the network does not support VoNR, the terminal device cannot provide the voice service on the 5G network, and the call is dropped.
Further, after the terminal device determines whether VoNR is supported, if the terminal device or the network supports voice service on the 5G network, that is, supports VoNR, the terminal device may perform voice service on the 5G network (step 208).
In order to ensure the stability of the voice service and effectively improve the reliability of the voice service, the embodiment of the present application provides a method for returning the voice service, which may be an optimization scheme for an EPS fallback call, specifically, when a terminal device detects the voice service in a 5G network, if the terminal device or a network device does not support VoNR, the terminal device and the network device trigger an EPS fallback procedure, and switch from the 5G network to a 4G network to perform the voice service. When receiving the inter-system handover measurement event of B15G issued by the network device, if the terminal device is in the process of VoLTE voice call, the terminal device may choose to ignore the inter-system handover measurement event of B15G issued by the network device. Specifically, the terminal device may choose not to perform measurement of the 5G heterogeneous system B1, or may choose to perform measurement of the 5G heterogeneous system B1, but does not perform reporting processing of the B1 event even if the reporting condition of the B1 event is satisfied, so that call drop caused by abnormal switching of the network device back to the 5G network may be prevented.
Further, fig. 8 is a schematic flow diagram illustrating a sixth implementation flow of the method for returning the voice service according to the embodiment of the present application, and as shown in fig. 8, the method for returning the voice service by the terminal device may include the following steps:
In the embodiment of the application, the voice service detected by the terminal device on the 5G network may be a calling service, that is, the terminal device initiates a call request to other terminals; the service may also be called service, that is, the terminal device receives a call request initiated by another terminal.
Further, in the present application, if the terminal device or the network does not support the voice service over 5G, that is, the terminal device does not support the VoNR, or the first network does not support the VoNR, the terminal device may determine that the VoNR is not supported.
In the embodiment of the present application, if the terminal device determines that the terminal device does not support the VoNR, the terminal device may trigger an EPS Fallback, so that a redirection instruction or a handover instruction issued by the network device may be received.
Accordingly, in the present application, after receiving a call request of a voice service sent by a terminal device, if it is determined that the terminal device does not support VoNR, the network device may trigger an EPS fallback to normally fall back, so as to instruct the terminal device to fall back to LTE for the voice service.
And step 303, carrying out voice service on the 5G network.
And step 304, returning to the LTE for voice service.
And 305, receiving configuration information of the B1 event sent by the network equipment.
In step 307, the network measurement process of the B1 event is not performed.
And 308, carrying out network measurement processing of the B1 event and reporting processing of the B1 event.
In the embodiment of the application, after the terminal device falls back to LTE, if the network device issues a 5G B1 inter-system handover measurement configuration to the terminal device, the terminal device needs to first determine whether the terminal device is in the VoLTE voice call process, and if the terminal device is in the VoLTE voice call process, the terminal device may choose to ignore the configuration information of the B1 event, that is, the network measurement processing of the B1 event is not performed according to the issued configuration information; if not during the VoLTE voice call, the terminal device may select configuration information responsive to the B1 event; namely, the network measurement processing of the B1 event is performed according to the issued configuration information, and the reporting processing of the B1 event is performed after the reporting condition of the B1 event is satisfied.
Therefore, after the voice service is returned to the LTE for voice service, when a B15G inter-system handover measurement event sent by the network device is received, if the terminal device is in the VoLTE voice call process, the terminal device may choose not to perform measurement of the B1 of the 5G inter-system, so that the abnormal handover of the network device to the 5G network can be prevented, and the stability of the voice service can be further ensured.
Further, fig. 9 is a seventh implementation flow diagram of the method for returning the voice service provided in the embodiment of the present application, and as shown in fig. 9, the method for returning the voice service by the terminal device may include the following steps:
And step 303, carrying out voice service on the 5G network.
And step 304, returning to the LTE for voice service.
And 305, receiving configuration information of the B1 event sent by the network equipment.
In the embodiment of the present application, after receiving the configuration information of the B1 event sent to the network device, the terminal device may perform network measurement processing of the B1 event according to the configuration information of the B1 event, so as to obtain a measurement result.
Step 3010, not reporting the measurement result to the network device.
In the embodiment of the application, after the terminal device falls back to LTE, if the network device issues a 5G B1 inter-system handover measurement configuration to the terminal device, the terminal may first perform network measurement processing of a B1 event according to the issued configuration information, and then determine whether the terminal device is in a VoLTE voice call process, and if the terminal device is in the VoLTE voice call process, the terminal device may select not to perform reporting processing of a B1 event even if a reporting condition of a B1 event is met; if the terminal equipment is not in the VoLTE voice call process, the terminal equipment can select to carry out the reporting process of the B1 event after the reporting condition of the B1 event is met.
Therefore, after the voice service is returned to the LTE for voice service, when a B15G inter-system handover measurement event issued by the network device is received, if the terminal device is in the VoLTE voice call process, the terminal device may choose not to report the measurement result obtained by performing the network measurement processing based on the configuration information to the network device, so that the abnormal handover of the network device to the 5G network can be prevented, and the stability of the voice service can be further ensured.
The embodiment of the application provides a voice service returning method, which comprises the steps of receiving configuration information of inter-system measurement events sent by network equipment of a second network after returning from a first network to the second network to carry out voice service; and if the voice service is not finished, not responding to the configuration information of the different system measurement event. Therefore, in the embodiment of the application, after the terminal device and the first network trigger the EPS fallback flow and the 5G network is switched to the 4G network for the voice service, in the process of the voice service, the terminal is prevented from being abnormally switched back to the 5G network by the network by ignoring the report of the inter-system switching measurement event B1 of the 5G network, so that the stability of the voice service can be ensured, and the reliability of the voice service is effectively improved.
Based on the foregoing embodiments, in another embodiment of the present application, fig. 10 is a schematic diagram of a composition structure of a terminal device according to an embodiment of the present application, as shown in fig. 10, the terminal device 10 according to an embodiment of the present application may include a receiving unit 11, a responding unit 12,
the receiving unit 11 is configured to receive configuration information of a different system measurement event sent by a network device of a second network after a voice service is performed from a first network to the second network;
the response unit 12 is configured to not respond to the configuration information of the inter-system measurement event if the voice service is not completed.
Further, in an embodiment of the present application, the response unit 12 is specifically configured to not perform network measurement of the inter-system measurement event according to the configuration information if the voice service is not completed.
Further, in an embodiment of the present application, the response unit 12 is further specifically configured to perform network measurement on the inter-system measurement event according to the configuration information, so as to obtain a measurement result; and if the voice service is not finished, not reporting the measurement result to the network equipment of the second network.
Further, in the embodiment of the present application, the terminal device 10 may further include a sending unit 13, a returning unit 14,
the sending unit 13 is configured to, after the voice service is returned from the first network to the second network, send a return request to the network device of the first network if it is determined that the voice service is not supported before the configuration information of the inter-system measurement event sent by the network device of the second network is received and before the voice service is returned from the first network to the second network;
the receiving unit 11 is further configured to receive a return instruction sent by the network device of the first network;
the returning unit 14 is configured to return to the second network according to the network information carried by the return instruction, so as to perform the voice service on the second network.
Further, in the embodiment of the present application, the terminal device 10 may further include a returning unit 15,
the returning unit 15 is configured to return to the first network after the voice service is completed.
Further, in the embodiment of the present application, the terminal device 10 may further include a detection unit 16,
the detecting unit 16 is configured to initiate the voice service on the first network; or, receiving the voice service over the first network.
Further, in an embodiment of the present application, the first network is a 5G network, and the second network is a 4G network; or, the first network is a 4G network, and the second network is a 3G network or a 2G network.
Further, in an embodiment of the present application, the return indication includes a redirection indication or a handover indication.
Further, in the embodiment of the present application, the terminal device 10 may further include a measuring unit 17, a reporting unit 18,
the measurement unit 17 is configured to, after returning from a first network to a second network to perform a voice service, receive configuration information of a measurement event of a different system sent by a network device of the second network, and if the voice service is completed, perform network measurement of the measurement event of the different system according to the configuration information to obtain a measurement result;
the reporting unit 18 is configured to report the measurement result to the network device of the second network.
In an embodiment of the present application, further, fig. 11 is a schematic diagram of a composition structure of a terminal device provided in the embodiment of the present application, as shown in fig. 11, the terminal device 10 provided in the embodiment of the present application may further include a processor 19 and a memory 110 storing executable instructions of the processor 19, and further, the terminal device 10 may further include a communication interface 111, and a bus 112 for connecting the processor 19, the memory 110, and the communication interface 111.
In an embodiment of the present Application, the Processor 19 may be at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a ProgRAMmable Logic Device (PLD), a Field ProgRAMmable Gate Array (FPGA), a Central Processing Unit (CPU), a controller, a microcontroller, and a microprocessor. It is understood that the electronic devices for implementing the above processor functions may be other devices, and the embodiments of the present application are not limited in particular. The terminal device 10 may further comprise a memory 110, which memory 110 may be connected to the processor 19, wherein the memory 110 is adapted to store executable program code comprising computer operating instructions, and wherein the memory 110 may comprise a high speed RAM memory and may further comprise a non-volatile memory, such as at least two disk memories.
In the embodiment of the present application, the bus 112 is used to connect the communication interface 111, the processor 19, and the memory 110 and the intercommunication among these devices.
In an embodiment of the present application, the memory 110 is used for storing instructions and data.
Further, in an embodiment of the present application, the processor 19 is configured to receive configuration information of an inter-system measurement event sent by a network device of a second network after returning from a first network to the second network for a voice service; and if the voice service is not finished, not responding the configuration information of the different system measurement event.
In practical applications, the Memory 110 may be a volatile Memory (volatile Memory), such as a Random-Access Memory (RAM); or a non-volatile Memory (non-volatile Memory), such as a Read-Only Memory (ROM), a flash Memory (flash Memory), a Hard Disk (Hard Disk Drive, HDD) or a Solid-State Drive (SSD); or a combination of the above types of memories and provides instructions and data to the processor 19.
In addition, each functional module in this embodiment may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware or a form of a software functional module.
Based on the understanding that the technical solution of the present embodiment essentially or a part contributing to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, and include several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the method of the present embodiment. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The embodiment of the application provides a terminal device, which receives configuration information of a different system measurement event sent by a network device of a second network after returning from a first network to the second network for voice service; and if the voice service is not finished, not responding to the configuration information of the different system measurement event. Therefore, in the embodiment of the application, after the terminal device and the first network trigger the EPS fallback flow and the 5G network is switched to the 4G network for the voice service, in the process of the voice service, the terminal is prevented from being abnormally switched back to the 5G network by the network by ignoring the report of the inter-system switching measurement event B1 of the 5G network, so that the stability of the voice service can be ensured, and the reliability of the voice service is effectively improved.
An embodiment of the present application provides a computer-readable storage medium, on which a program is stored, and when the program is executed by a processor, the program implements the method for returning a voice service as described above.
Specifically, the program instructions corresponding to the retraction method of a voice service in this embodiment may be stored on a storage medium such as an optical disc, a hard disc, a usb disk, etc., and when the program instructions corresponding to the retraction method of a voice service in the storage medium are read or executed by an electronic device, the method includes the following steps:
after returning from a first network to a second network for voice service, receiving configuration information of inter-system measurement events issued by network equipment of the second network;
and if the voice service is not finished, not responding the configuration information of the different system measurement event.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of implementations of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart block or blocks and/or flowchart block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart block or blocks in the flowchart and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application.
Claims (12)
1. A method for fallback to voice traffic, the method comprising:
after returning from a first network to a second network for voice service, receiving configuration information of inter-system measurement events issued by network equipment of the second network;
and if the voice service is not finished, not responding the configuration information of the different system measurement event.
2. The method of claim 1, wherein the not responding to the configuration information of the inter-system measurement event if the voice service is not completed comprises:
and if the voice service is not finished, not performing network measurement of the inter-system measurement event according to the configuration information.
3. The method of claim 1, wherein the not responding to the configuration information of the inter-system measurement event if the voice service is not completed comprises:
network measurement of the inter-system measurement event is carried out according to the configuration information, and a measurement result is obtained;
and if the voice service is not finished, not reporting the measurement result to the network equipment of the second network.
4. The method according to any one of claims 1 to 3, wherein before receiving the configuration information of the inter-system measurement event issued by the network device of the second network after returning from the first network to the second network for voice service, the method further comprises:
when the voice service is detected on the first network, if the voice service is determined not to be supported, sending a return request to network equipment of the first network;
receiving a return instruction issued by the network equipment of the first network;
and returning to the second network according to the network information carried by the return indication so as to perform the voice service on the second network.
5. The method of claim 1, further comprising:
returning to the first network after the voice service is completed.
6. The method of claim 4, wherein detecting voice traffic on the first network comprises:
initiating the voice service on the first network; alternatively, the first and second electrodes may be,
the voice traffic is received over the first network.
7. The method of claim 4,
the first network is a 5G network, and the second network is a 4G network; alternatively, the first and second electrodes may be,
the first network is a 4G network, and the second network is a 3G network or a 2G network.
8. The method of claim 4,
the fallback indication comprises a redirection indication or a handover indication.
9. The method according to any one of claims 1 to 3, wherein after receiving the configuration information of the inter-system measurement event issued by the network device of the second network after returning from the first network to the second network for voice service, the method further comprises:
if the voice service is finished, performing network measurement of the inter-system measurement event according to the configuration information to obtain a measurement result;
and reporting the measurement result to the network equipment of the second network.
10. A terminal device, characterized in that the terminal device comprises: the receiving unit, the response unit,
the receiving unit is configured to receive configuration information of the inter-system measurement event sent by the network device of the second network after the voice service is performed from the first network to the second network;
the response unit is configured to not respond to the configuration information of the inter-system measurement event if the voice service is not completed.
11. A terminal device comprising a processor, a memory storing instructions executable by the processor, the instructions when executed by the processor implementing the method of any one of claims 1 to 9.
12. A computer-readable storage medium, on which a program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-9.
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