WO2023207214A1 - 通信方法及电子设备 - Google Patents

通信方法及电子设备 Download PDF

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Publication number
WO2023207214A1
WO2023207214A1 PCT/CN2023/070294 CN2023070294W WO2023207214A1 WO 2023207214 A1 WO2023207214 A1 WO 2023207214A1 CN 2023070294 W CN2023070294 W CN 2023070294W WO 2023207214 A1 WO2023207214 A1 WO 2023207214A1
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WO
WIPO (PCT)
Prior art keywords
electronic device
mode
mobile communication
cell
communication network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/070294
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English (en)
French (fr)
Inventor
陈拴锋
罗飞
张忠理
牟大年
王磊
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Honor Device Co Ltd
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Honor Device Co Ltd
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Publication date
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Priority to US18/695,686 priority Critical patent/US20250133477A1/en
Priority to EP23794654.6A priority patent/EP4387331B1/en
Publication of WO2023207214A1 publication Critical patent/WO2023207214A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of communication technology, and in particular, to a communication method and electronic equipment.
  • 5G mobile communication network is the latest generation of mobile communication technology. Compared with earlier mobile communication technologies such as 4G, 3G, and 2G, 5G can provide higher data transmission rates.
  • the wireless access technology of the 4G mobile communication network is Long Term Evolution (LTE), and the voice call service carried on it is called VoLTE;
  • the wireless access technology of the 5G mobile communication network is New Radio. , NR), the voice call service carried on it is called VoNR.
  • LTE Long Term Evolution
  • NR New Radio.
  • VoNR will serve as the ultimate voice service solution for 5G SA (StandAlone, independent networking).
  • 5G SA StandAlone, independent networking
  • VoNR was not fully commercialized, and the EPS Fallback call solution was used.
  • Voice communications based on EPS Fallback need to fall back from 5G mobile communications to 4G mobile communications and reset the network to use VoLTE to carry voice services.
  • the voice communication failure rate based on EPS Fallback is higher than VoLTE.
  • embodiments of the present application provide a communication method and electronic device.
  • the 5G SA mode of the electronic device is turned off, so that the electronic device registers in the 4G mobile communication network and performs voice communication based on VoLTE, and performs data communication based on the Wi-Fi connection, thereby avoiding Eps fallback type voice communication. Not only does it reduce the failure rate of voice calls, it also ensures users a good online experience.
  • embodiments of the present application provide a communication method.
  • This communication method is applied to electronic devices registered in the 5G SA.
  • the communication method includes: when the Wi-Fi status of the electronic device changes, if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, the electronic device turns off the 5G SA mode of the electronic device; Complete registration in the mobile communication network.
  • the electronic device cannot be registered in the 5G mobile communication network. Then, the electronic device can be registered in the 4G mobile communication network. At this time, the electronic device can establish a voice call under VoLTE, avoiding Eps fallback type voice communication, thereby reducing the failure rate of voice communication. In this way, it can not only ensure the success rate of voice calls, but also enable users to have a good Internet experience based on WI-FI communication, achieving a balance between maintaining calls and maintaining the Internet.
  • the electronic device if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, the electronic device turns off the 5G SA mode of the electronic device, which may include: if Wi-Fi is available and the Wi- The Fi signal strength is higher than the first threshold and meets certain conditions, then the electronic device turns off the 5G SA mode of the electronic device.
  • the electronic device if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, and certain conditions are met, the electronic device is turned off
  • the 5G SA mode may include: if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, and the electronic device does not support VoNR, and the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighbor cells, The electronic device turns off the 5G SA mode of the electronic device.
  • the electronic device can establish a call under VoNR. Since electronic devices support VoNR, Eps fallback type voice communications can be avoided. Therefore, when the electronic device supports VoNR, there is no need to turn off the 5G SA mode of the electronic device and adjust the mobile communication network of the electronic device.
  • the electronic device if the 5G cell where the electronic device currently resides is a 5G cell with an abnormal 4G neighbor cell, the electronic device itself cannot register in the 4G mobile communication network to complete the registration. Therefore, when the 5G cell where the electronic device currently resides is a 5G cell with abnormal 4G neighboring cells, turning off the 5G SA mode of the electronic device will not only cause the electronic device to exit the 5G mobile communication network, but will also prevent the electronic device from successfully registering in the 4G mobile communication network. in the network.
  • the electronic device in the communication method, if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, and the electronic device does not support VoNR, the electronic device currently The resident 5G cell is not a 5G cell with abnormal 4G neighboring cells. At the same time, the electronic device is in the target mode, and the electronic device turns off the 5G SA mode of the electronic device. Among them, the target mode is used to indicate that the user is not sensitive to the mobile communication network where the electronic device is registered.
  • the target mode may be a simple mode or an aging mode. In this way, turning off the 5G SA mode of the electronic device when the electronic device is in the target mode will not affect the user's experience, that is, it will not affect the user's psychological sense of the mobile communication network.
  • the electronic device in the communication method, if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, and the electronic device does not support VoNR, the electronic device currently The resident 5G cell is not a 5G cell with abnormal 4G neighboring cells, and if the NR signal strength of the electronic device is lower than the second threshold, the electronic device turns off the 5G SA mode of the electronic device.
  • the 5G SA mode of the electronic device is turned off, allowing the electronic device to re-enter the 4G mobile communication network.
  • the voice call success rate is promote.
  • the electronic device in the communication method, if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, and the electronic device does not support VoNR, the electronic device currently If the resident 5G cell is not a 5G cell with abnormal 4G neighboring cells, and the electronic device is in the target mode, and the NR signal strength of the electronic device is lower than the second threshold, the electronic device turns off the 5G SA mode of the electronic device.
  • the communication method also includes: if the electronic device fails to register in the 4G mobile communication network, the electronic device restarts the 5G SA mode of the electronic device.
  • the electronic device After the electronic device re-enables the 5G SA mode, the electronic device will re-register to the 5G mobile communication network. This can avoid the problem of no mobile communication network available for the electronic device.
  • the communication method further includes: if the electronic device fails to register in the 4G mobile communication network, the electronic device marks the target 5G cell as a 4G neighbor cell with abnormality. 5G cell; among them, the target 5G cell is the 5G cell where the electronic device resides before turning off the 5G SA mode.
  • marking 5G cells with abnormal 4G neighboring cells can be used as a basis for electronic devices to determine whether to turn off 5G SA mode, and avoid the problem that no mobile network is available after electronic equipment turns off 5G SA mode.
  • the electronic device after the electronic device completes registration in the 4G mobile communication network, it also includes: if Wi-Fi is unavailable or the Wi-Fi signal strength is not higher than the first threshold , the electronic device restarts the 5G SA mode of the electronic device.
  • the 5G SA mode of the electronic device is re-enabled so that the electronic device can be re-registered in the 5G mobile communication network to ensure a smooth Internet experience for users.
  • inventions of the present application provide an electronic device.
  • the electronic device includes: one or more processors; memory; and one or more computer programs, wherein the one or more computer programs are stored on the memory, and when the computer program is executed by the one or more processors, the electronic device Perform the following steps: when the Wi-Fi status of the electronic device changes, if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, the electronic device turns off the 5G SA mode of the electronic device; the electronic device is in the 4G mobile communication network Complete registration.
  • the electronic device when the computer program is executed by one or more processors, the electronic device is caused to perform the following steps: if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, and certain conditions are met, the electronic device The device turns off the 5G SA mode of the electronic device.
  • the electronic device when the computer program is executed by one or more processors, the electronic device is caused to perform the following steps: if Wi-Fi is available and the Wi-Fi signal strength is higher than The first threshold, and the electronic device does not support VoNR, and the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighboring cells, then the electronic device turns off the 5G SA mode of the electronic device.
  • the electronic device when the computer program is executed by one or more processors, the electronic device is caused to perform the following steps: if Wi-Fi is available and the Wi-Fi signal strength is higher than The first threshold, and the electronic device does not support VoNR, the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighboring cells, and the electronic device is in the target mode, the electronic device turns off the 5G SA mode of the electronic device.
  • the target mode is used to indicate that the user is not sensitive to the mobile communication network where the electronic device is registered.
  • the electronic device when the computer program is executed by one or more processors, the electronic device is caused to perform the following steps: if Wi-Fi is available and the Wi-Fi signal strength is higher than The first threshold, and the electronic device does not support VoNR, the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighboring cells, and the NR signal strength of the electronic device is lower than the second threshold, the electronic device turns off the 5G of the electronic device. SA mode.
  • the electronic device when the computer program is executed by one or more processors, the electronic device is caused to perform the following steps: if Wi-Fi is available and the Wi-Fi signal strength is higher than The first threshold, and the electronic device does not support VoNR, the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighboring cells, and the electronic device is in target mode, and the NR signal strength of the electronic device is lower than the second threshold, then the electronic device The device turns off the 5G SA mode of the electronic device.
  • the electronic device when the computer program is executed by one or more processors, the electronic device also performs the following steps: If the electronic device fails to register in the 4G mobile communication network , the electronic device restarts the 5G SA mode of the electronic device.
  • the electronic device when the computer program is executed by one or more processors, the electronic device also performs the following steps: If the electronic device fails to register in the 4G mobile communication network , the electronic device marks the target 5G cell as a 5G cell with abnormal 4G neighbor cells; where the target 5G cell is the 5G cell where the electronic device resides before turning off the 5G SA mode.
  • the electronic device when the computer program is executed by one or more processors, the electronic device also performs the following steps: after the electronic device completes registration in the 4G mobile communication network, If Wi-Fi is unavailable or the Wi-Fi signal strength is not higher than the first threshold, the electronic device restarts the 5G SA mode of the electronic device.
  • the second aspect and any implementation manner of the second aspect respectively correspond to the first aspect and any implementation manner of the first aspect.
  • the technical effects corresponding to the second aspect and any implementation manner of the second aspect may be referred to the technical effects corresponding to the above-mentioned first aspect and any implementation manner of the first aspect, which will not be described again here.
  • inventions of the present application provide a computer-readable storage medium.
  • the computer-readable storage medium includes a computer program.
  • the computer program When the computer program is run on the electronic device, the electronic device performs the first aspect and any one of the communication methods of the first aspect.
  • the third aspect and any implementation manner of the third aspect respectively correspond to the first aspect and any implementation manner of the first aspect.
  • the technical effects corresponding to the third aspect and any implementation manner of the third aspect please refer to the technical effects corresponding to the above-mentioned first aspect and any implementation manner of the first aspect, which will not be described again here.
  • embodiments of the present application provide a computer program product, including a computer program, which when the computer program is run, causes the computer to perform the communication method of the first aspect or any one of the first aspects.
  • the fourth aspect and any implementation manner of the fourth aspect respectively correspond to the first aspect and any implementation manner of the first aspect.
  • the technical effects corresponding to the fourth aspect and any implementation manner of the fourth aspect please refer to the technical effects corresponding to the above-mentioned first aspect and any implementation manner of the first aspect, which will not be described again here.
  • this application provides a chip, which includes a processing circuit and transceiver pins.
  • the transceiver pin and the processing circuit communicate with each other through an internal connection path, and the processing circuit performs the communication method as in the first aspect or any one of the first aspects to control the receiving pin to receive the signal and to control the sending pin. Send a signal.
  • the fifth aspect and any implementation manner of the fifth aspect respectively correspond to the first aspect and any implementation manner of the first aspect.
  • the technical effects corresponding to the fifth aspect and any implementation manner of the fifth aspect please refer to the technical effects corresponding to the above-mentioned first aspect and any implementation manner of the first aspect, which will not be described again here.
  • Figure 1a is a schematic diagram of an exemplary implementation of 5G SA networking
  • Figure 1b is a schematic diagram illustrating an implementation method of 5G SA networking
  • Figure 2 is a schematic diagram of the network elements involved in the EPS Fallback service of the 5G SA network
  • Figure 3 is a schematic flow diagram of an exemplary EPS Fallback service
  • Figure 4 is a schematic diagram of the hardware structure of an exemplary electronic device
  • Figure 5 is a schematic diagram of the software structure of an exemplary electronic device
  • Figure 6 is a flow chart of a communication method provided by an embodiment of the present application.
  • Figure 7 is a flow chart of a communication method provided by an embodiment of the present application.
  • Figure 8 is a flow chart of a communication method provided by an embodiment of the present application.
  • a and/or B can mean: A exists alone, A and B exist simultaneously, and they exist alone. B these three situations.
  • first and second in the description and claims of the embodiments of this application are used to distinguish different objects, rather than to describe a specific order of objects.
  • first target object, the second target object, etc. are used to distinguish different target objects, rather than to describe a specific order of the target objects.
  • multiple processing units refer to two or more processing units; multiple systems refer to two or more systems.
  • 5G is the latest generation of mobile communication technology. Compared with earlier mobile communication technologies such as 4G, 3G, and 2G, 5G can provide higher data rates, lower delays, full connectivity of the Internet of Everything, more energy saving, and lower costs. cost, higher system capacity and large-scale equipment access.
  • 5G NR is a new wireless access technology developed by the 3rd generation partnership project (3GPP) for 5G mobile communication networks. It is a global standard for 5G network air interfaces.
  • 3GPP 3rd generation partnership project
  • 5G NSA Non-Standalone, non-independent networking
  • 5G SA independent networking
  • the 5G NSA networking method requires the use of 4G base stations and 4G core networks, with 4G as the anchor point of the control plane, meeting the needs of aggressive operators to utilize existing LTE network resources to achieve rapid deployment of 5G NR.
  • the SA network is independent of the 4G network and requires a new network to be built.
  • 5G Option2 networking is an implementation method of 5G SA networking.
  • gNB is directly connected to 5GC (5G Core Network, 5G core network), as shown in Figure 1a.
  • 5G Option5 networking is an implementation method of 5G SA networking. This networking mainly evolves from LTE networking. With the deployment of 5GC, the original access to the 4G core network EPC (Evolved Packet Core, evolved packet After the eNB of the core network is upgraded to ng-eNB, it is cut over to the 5GC, as shown in Figure 1b.
  • EPC Evolved Packet Core
  • the 5G SA mobile communication network follows the voice architecture of the 4G mobile communication network and still provides voice services based on IMS (IP Multimedia Core Network Subsystem, IP Multimedia Network Subsystem).
  • the wireless access technology of the 4G mobile communication network is LTE, and the voice call service carried on it is called voice on LTE (VoLTE); the wireless access technology of the 5G mobile communication network is NR as shown above, and the voice call service carried on it is The call service is called voice on NR (VoNR).
  • VoNR will serve as the ultimate voice service solution for 5G SA.
  • 5G NR may not provide voice services, so voice services need to be implemented based on VoLTE.
  • VoLTE and VoNR will exist as different access methods for 5G IMS voice services.
  • FIG. 2 is a schematic diagram of the network elements involved in the EPS Fallback service of the 5G SA network.
  • VoNR is carried through the 5G core network 5GC and the 5G access network NG-RAN (for example: gNB base station).
  • the network elements involved include: user equipment UE, NG-RAN, 5GC, and IMS.
  • VoLTE is carried through the 4G core network EPC and the 4G access network E-UTRAN (for example: eNB base station). Therefore, in addition to the network elements involved in VoNR mentioned above, the EPS Fallback service also includes EPC and E-UTRAN.
  • the network elements in 5GC involved in VoNR services may include, for example: AMF (Access and Mobility Management Function) network elements, SMF (Session Management Function) network elements, UPF (User plane Function, User plane function) network element and PCF (Policy Control Function) network element.
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UPF User plane Function
  • User plane function User plane function
  • PCF Policy Control Function
  • the AMF network element is used to process control plane messages of the network. Its functions include: access network control plane processing, registration management, connection management, accessibility management, mobility management, legal information interception, providing some special session management messages to SMF, access authentication and authorization, and security anchoring function SEAF , Location service management, allocation of EPS bearer ID when interacting with 4G system EPS, UE mobility event notification, optimization of control plane data transmission in 5G IoT, provision of external configuration parameters, etc.
  • the SMF network element is used to implement session management. Its functions include: session establishment, modification and release, maintenance of channels between UPF and access network nodes, IP address allocation and management of UE, selection and control of user plane functions, configuring correct service routing on UPF, policy control Implementation of functions, collection of billing data and provision of billing interfaces, etc.
  • the UPF network element is used to provide user plane functions. Its functions include: local system/different system mobility anchor point, allocating UE IP address according to SMF request, PDN session node to interface with external data network, data packet routing/forwarding, data packet inspection, user plane policy execution, legal interception, Service usage report, user plane QoS processing, uplink service verification (mapping of service data flow (SDF) to QoS flow), uplink and downlink transport layer packet marking, downlink data packet buffering and triggering downlink data indication, completion of cross-cell handover Afterwards, the service termination transmission identifier (end marker) (from SMF) is sent or forwarded to the source cell, and the corresponding UE MAC address is provided in response to Ethernet data transmission.
  • end marker from SMF
  • PCF network elements are used to support a unified policy framework for controlling network behavior, provide policy rules for control plane execution, and access subscription information related to policy formulation in UDR (a user subscription data repository).
  • the network elements in the EPC involved in the EPS Fallback service may also include, for example: MME (Mobility Management Entity) network elements, SGW (Serving Gateway) network elements and PGW (PDN gateway) networks. Yuan.
  • MME Mobility Management Entity
  • SGW Serving Gateway
  • PGW Packet Data Network gateway
  • MME network elements are mainly used for signaling processing and mobility management. Its functions include: NAS signaling and security; management of tracking area (Tracking Area) list; selection of PGW and SGW; selection of MME during cross-MME handover; business GPRS support during handover to 2G/3G access system Node (serving GPRS support node, SGSN) selection; authentication, roaming control and bearer management; mobility management between core network nodes of different 3GPP access networks; legal interception of the signaling plane, etc.
  • NAS signaling and security management of tracking area (Tracking Area) list
  • selection of PGW and SGW selection of MME during cross-MME handover
  • authentication, roaming control and bearer management mobility management between core network nodes of different 3GPP access networks; legal interception of the signaling plane, etc.
  • the SGW network element accepts MME control and carries user plane data. Its functions include: serving as a local anchor point when switching between eNBs and assisting in completing the reordering function of the eNB; a mobility anchor point when switching between different 3GPP access systems; lawful interception and routing and forwarding of data packets; PDN and QoS class identifier (QoS class identifier, QCI) related charging for the uplink and downlink, etc.
  • QoS class identifier QoS class identifier, QCI
  • the PGW network element is connected to the packet date network (PDN), accepts MME control, and carries user plane data. Its functions include: packet data packet routing and forwarding; UE IP address allocation, gateway function to access external PDN; user-based packet filtering; lawful interception; accounting and QoS policy execution function; service-based charging function; in Data packet transmission level marking is performed in the uplink; uplink and downlink service level charging and service level threshold control; service-based uplink and downlink rate control, etc.
  • PDN packet date network
  • Its functions include: packet data packet routing and forwarding; UE IP address allocation, gateway function to access external PDN; user-based packet filtering; lawful interception; accounting and QoS policy execution function; service-based charging function; in Data packet transmission level marking is performed in the uplink; uplink and downlink service level charging and service level threshold control; service-based uplink and downlink rate control, etc.
  • NG-RAN When 5GC initiates a request to NG-RAN to establish a dedicated bearer QoS Flow for IMS voice sessions, if NG-RAN does not have VoNR capabilities, it can be based on the NR capabilities of the UE, the deployment of the N26 interface, the wireless conditions of LTE, and AMF (Access and Mobility Management Function (Access and Mobility Management Function) instruction information to determine whether to trigger EPS Fallback. If EPS Fallback is triggered, NG-RAN initiates a redirection or inter-RAT handover request to 5GC, and waits for the UE to fall back to the LTE network, and EPC and E-UTRAN provide voice services through VoLTE.
  • AMF Access and Mobility Management Function
  • the EPS Fallback process may include the following steps:
  • IMS will trigger the process of establishing a dedicated bearer QoS Flow for the IMS voice session based on SIP signaling interaction (1.MO or MT IMS voice session in 5GS; Qos Flow for voice establishment initiated ).
  • the 5GC side initiates the PDU (Protocol Data Unit, protocol data unit) session modification process to initiate a request to the access network NG-RAN to establish a dedicated bearer QoS flow (2.NW initiated PDU session modification to setup Qos flow for ims voice).
  • PDU Protocol Data Unit, protocol data unit
  • NG-RAN is configured to support EPS Fallback for IMS Voice and based on UE capabilities, indication from AMF that "redirection of EPS Fallback is possible", network configuration (e.g. N26 availability configuration) and wireless conditions Decide whether to fall back to 4G.
  • NG-RAN can initiate an LTE measurement request message to the UE to collect the measurement report. After that, the UE needs to perform LTE cell measurement and send the measurement report to NG-RAN (3.Trigger for fallback, optional Measurement Report Solicitation) .
  • NG-RAN instructs 5GC to reject the PDU session modification through the PDU session response message and initiates the IMS voice fallback process.
  • 5GC waits for the UE to fall back to 4G (4.Reject PDU session modification indicating IMS Voice Fallback in progress ).
  • NG-RAN selects 6a or 6b based on the UE's capabilities, network configuration (such as N26 availability configuration) and wireless conditions, and switches the UE to 4G (5.Redirection or Handover to EPS).
  • the UE switches from 5G to 4G, or uses inter-system redirection of the N26 interface to fall back to 4G, and then starts the tracking area update TAU procedure (6a.TAU Procedure).
  • the UE will initiate a connection request with PDN connectivity request with request type "handover" to 5GC (6b.Attach with PDN connectivity request with request type "handover") .
  • the EPC (including the converged network element of SMF/PGW-C) initiates the PDU session modification process to initiate a request to the access network E-UTRAN to establish a dedicated bearer QoS flow (7.NW initiated PDN connection modification to setup dedicated bearer for voice).
  • the IMS voice session continues to be established. At least during LTE voice calls, E-UTRAN is configured not to trigger any handover to 5G (8.IMS Voice session establishment continued).
  • the Eps fallback called process includes paging reception, NRRC establishment, 4G cell selection and camping after redirection, TAU/ATTACH process, voice bearer activation under 4G, SIP interaction, etc. Abnormalities in any sub-process will cause The called establishment failed.
  • the problems encountered by Eps fallback callees include failure to receive paging, receiving paging but not receiving the invite message of the incoming call, failure to establish NRRC, poor signal in the cell corresponding to the designated frequency point of the network, and slow TAU leading to resource reservation
  • the called party establishment fails due to timeout, TAU rejection, SIP message sending failure, etc.
  • embodiments of the present application provide a communication method that can be applied to terminal equipment UE.
  • it can balance the voice communication success rate and data transmission rate, while ensuring that the user's voice
  • the success rate of communication can also ensure the user's Internet speed.
  • Terminal devices in the embodiments of this application may include, for example, mobile phones, tablet computers, wearable devices, handheld game consoles, vehicle-mounted smart terminals, etc.
  • Figure 4 shows a schematic structural diagram of the electronic device 100.
  • the electronic device 100 may be called a terminal or a terminal device.
  • the terminal may be a wearable electronic device, such as a smart watch, which is not limited in this application.
  • the schematic structural diagram of the electronic device 100 can be applied to the above-mentioned mobile phone.
  • the electronic device 100 shown in FIG. 4 is only an example of an electronic device, and the electronic device 100 may have more or fewer components than shown in the figure, and two or more components may be combined. , or can have different component configurations.
  • the various components shown in Figure 4 may be implemented in hardware, software, or a combination of hardware and software including one or more signal processing and/or application specific integrated circuits.
  • the electronic device 100 may include: a processor 110, an external memory interface 120, an internal memory 121, a universal serial bus (USB) interface 130, a charging management module 140, a power management module 141, a battery 142, an antenna 1, an antenna 2.
  • Mobile communication module 150 wireless communication module 160, audio module 170, speaker 170A, receiver 170B, microphone 170C, headphone interface 170D, sensor module 180, button 190, motor 191, indicator 192, camera 193, display screen 194, And subscriber identification module (subscriber identification module, SIM) card interface 195, etc.
  • SIM subscriber identification module
  • the sensor module 180 may include a pressure sensor, a gyroscope sensor, an acceleration sensor, a temperature sensor, a motion sensor, an air pressure sensor, a magnetic sensor, a distance sensor, a proximity light sensor, a fingerprint sensor, a touch sensor, an ambient light sensor, a bone conduction sensor, etc.
  • the processor 110 may include one or more processing units.
  • the processor 110 may include an application processor (application processor, AP), a modem processor, a graphics processing unit (GPU), and an image signal processor. (image signal processor, ISP), controller, memory, video codec, digital signal processor (digital signal processor, DSP), baseband processor, and/or neural-network processing unit (NPU) wait.
  • application processor application processor, AP
  • modem processor graphics processing unit
  • GPU graphics processing unit
  • image signal processor image signal processor
  • ISP image signal processor
  • controller memory
  • video codec digital signal processor
  • DSP digital signal processor
  • baseband processor baseband processor
  • NPU neural-network processing unit
  • different processing units can be independent devices or integrated in one or more processors.
  • the controller may be the nerve center and command center of the electronic device 100 .
  • the controller can generate operation control signals based on the instruction operation code and timing signals to complete the control of fetching and executing instructions.
  • the processor 110 may also be provided with a memory for storing instructions and data.
  • the memory in processor 110 is cache memory.
  • the USB interface 130 is an interface that complies with the USB standard specification, and may be a Mini USB interface, a Micro USB interface, a USB Type C interface, etc.
  • the USB interface 130 can be used to connect a charger to charge the electronic device 100, and can also be used to transmit data between the electronic device 100 and peripheral devices. It can also be used to connect headphones to play audio through them. This interface can also be used to connect other electronic devices, such as AR devices, etc.
  • the charging management module 140 is used to receive charging input from the charger.
  • the charger can be a wireless charger or a wired charger.
  • the charging management module 140 may receive charging input from the wired charger through the USB interface 130 .
  • the charging management module 140 may receive wireless charging input through the wireless charging coil of the electronic device 100 . While the charging management module 140 charges the battery 142, it can also provide power to the electronic device through the power management module 141.
  • the power management module 141 is used to connect the battery 142, the charging management module 140 and the processor 110.
  • the power management module 141 receives input from the battery 142 and/or the charging management module 140, and supplies power to the processor 110, internal memory 121, external memory, display screen 194, camera 193, wireless communication module 160, etc.
  • the wireless communication function of the electronic device 100 can be implemented through the antenna 1, the antenna 2, the mobile communication module 150, the wireless communication module 160, the modem processor and the baseband processor.
  • Antenna 1 and Antenna 2 are used to transmit and receive electromagnetic wave signals.
  • Each antenna in electronic device 100 may be used to cover a single or multiple communication frequency bands. Different antennas can also be reused to improve antenna utilization. For example: Antenna 1 can be reused as a diversity antenna for a wireless LAN. In other embodiments, antennas may be used in conjunction with tuning switches.
  • the mobile communication module 150 can provide solutions for wireless communication including 2G/3G/4G/5G applied on the electronic device 100 .
  • the mobile communication module 150 may include at least one filter, switch, power amplifier, low noise amplifier (LNA), etc.
  • the mobile communication module 150 can receive electromagnetic waves through the antenna 1, perform filtering, amplification and other processing on the received electromagnetic waves, and transmit them to the modem processor for demodulation.
  • the mobile communication module 150 can also amplify the signal modulated by the modem processor and convert it into electromagnetic waves through the antenna 1 for radiation.
  • at least part of the functional modules of the mobile communication module 150 may be disposed in the processor 110 .
  • at least part of the functional modules of the mobile communication module 150 and at least part of the modules of the processor 110 may be provided in the same device.
  • a modem processor may include a modulator and a demodulator.
  • the modulator is used to modulate the low-frequency baseband signal to be sent into a medium-high frequency signal.
  • the demodulator is used to demodulate the received electromagnetic wave signal into a low-frequency baseband signal.
  • the demodulator then transmits the demodulated low-frequency baseband signal to the baseband processor for processing.
  • the application processor outputs sound signals through audio devices (not limited to speaker 170A, receiver 170B, etc.), or displays images or videos through display screen 194.
  • the modem processor may be a stand-alone device.
  • the modem processor may be independent of the processor 110 and may be provided in the same device as the mobile communication module 150 or other functional modules.
  • the wireless communication module 160 can provide applications on the electronic device 100 including wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) network), Bluetooth (bluetooth, BT), and global navigation satellites.
  • WLAN wireless local area networks
  • System global navigation satellite system, GNSS
  • frequency modulation frequency modulation, FM
  • near field communication technology near field communication, NFC
  • infrared technology infrared, IR
  • the wireless communication module 160 may be one or more devices integrating at least one communication processing module.
  • the wireless communication module 160 receives electromagnetic waves via the antenna 2 , frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the processor 110 .
  • the wireless communication module 160 can also receive the signal to be sent from the processor 110, frequency modulate it, amplify it, and convert it into electromagnetic waves through the antenna 2 for radiation.
  • the antenna 1 of the electronic device 100 is coupled to the mobile communication module 150, and the antenna 2 is coupled to the wireless communication module 160, so that the electronic device 100 can communicate with the network and other devices through wireless communication technology.
  • the wireless communication technology may include global system for mobile communications (GSM), general packet radio service (GPRS), code division multiple access (CDMA), broadband Code division multiple access (wideband code division multiple access, WCDMA), time division code division multiple access (time-division code division multiple access, TD-SCDMA), long term evolution (long term evolution, LTE), new radio interface (new radio, NR ), BT, GNSS, WLAN, NFC, FM, and/or IR technology, etc.
  • GSM global system for mobile communications
  • GPRS general packet radio service
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • WCDMA wideband code division multiple access
  • time division code division multiple access time-division code division multiple access
  • LTE long term evolution
  • new radio interface new radio, NR
  • BT
  • the GNSS may include global positioning system (GPS), global navigation satellite system (GLONASS), Beidou navigation satellite system (BDS), quasi-zenith satellite system (quasi) -zenith satellite system (QZSS) and/or satellite based augmentation systems (SBAS).
  • GPS global positioning system
  • GLONASS global navigation satellite system
  • BDS Beidou navigation satellite system
  • QZSS quasi-zenith satellite system
  • SBAS satellite based augmentation systems
  • the electronic device 100 implements display functions through a GPU, a display screen 194, an application processor, and the like.
  • Processor 110 may include one or more GPUs that execute program instructions to generate or alter display information.
  • the display screen 194 is used to display images, videos, etc.
  • Display 194 includes a display panel.
  • the electronic device 100 may include 1 or N display screens 194, where N is a positive integer greater than 1.
  • the electronic device 100 can implement the shooting function through an ISP, a camera 193, a video codec, a GPU, a display screen 194, an application processor, and the like.
  • Camera 193 is used to capture still images or video.
  • the electronic device 100 may include 1 or N cameras 193, where N is a positive integer greater than 1.
  • the external memory interface 120 can be used to connect an external memory card, such as a Micro SD card, to expand the storage capacity of the electronic device 100.
  • an external memory card such as a Micro SD card
  • Internal memory 121 may be used to store computer executable program code, which includes instructions.
  • the processor 110 executes instructions stored in the internal memory 121 to execute various functional applications and data processing of the electronic device 100, so that the electronic device 100 implements the communication method in the embodiment of the present application.
  • the electronic device 100 can implement audio functions through the audio module 170, the speaker 170A, the receiver 170B, the microphone 170C, the headphone interface 170D, and the application processor. Such as music playback, recording, etc.
  • the audio module 170 is used to convert digital audio information into analog audio signal output, and is also used to convert analog audio input into digital audio signals. Audio module 170 may also be used to encode and decode audio signals. In some embodiments, the audio module 170 may be provided in the processor 110 , or some functional modules of the audio module 170 may be provided in the processor 110 .
  • Speaker 170A also called “speaker” is used to convert audio electrical signals into sound signals.
  • the electronic device 100 can listen to music through the speaker 170A, or listen to hands-free calls.
  • the electronic device 100 may be provided with multiple speakers 170A.
  • Receiver 170B also called “earpiece” is used to convert audio electrical signals into sound signals.
  • the electronic device 100 answers a call or a voice message, the voice can be heard by bringing the receiver 170B close to the human ear.
  • Microphone 170C also called “microphone” or “microphone” is used to convert sound signals into electrical signals. When making a call or sending a voice message, the user can speak close to the microphone 170C with the human mouth and input the sound signal to the microphone 170C.
  • the electronic device 100 may be provided with at least one microphone 170C. In other embodiments, the electronic device 100 may be provided with two microphones 170C, which in addition to collecting sound signals, may also implement a noise reduction function. In other embodiments, the electronic device 100 can also be provided with three, four or more microphones 170C to collect sound signals, reduce noise, identify sound sources, and implement directional recording functions, etc.
  • the headphone interface 170D is used to connect wired headphones.
  • the headphone interface 170D may be a USB interface 130, or may be a 3.5mm open mobile terminal platform (OMTP) standard interface, or a Cellular Telecommunications Industry Association of the USA (CTIA) standard interface.
  • OMTP open mobile terminal platform
  • CTIA Cellular Telecommunications Industry Association of the USA
  • Pressure sensors are used to sense pressure signals and convert pressure signals into electrical signals.
  • the pressure sensor may be disposed on the display screen 194 .
  • the electronic device 100 may also calculate the touched position based on the detection signal of the pressure sensor.
  • Touch sensor also called “touch panel”.
  • the touch sensor can be disposed on the display screen 194, and the touch sensor and the display screen 194 form a touch screen, which is also called a "touch screen”.
  • Touch sensors are used to detect touches on or near them.
  • the touch sensor can pass the detected touch operation to the application processor to determine the touch event type.
  • the buttons 190 include a power button (also called a power button), a volume button, etc.
  • Key 190 may be a mechanical key. It can also be a touch button.
  • the electronic device 100 may receive key inputs and generate key signal inputs related to user settings and function control of the electronic device 100 .
  • the motor 191 can generate vibration prompts.
  • the motor 191 can be used for vibration prompts for incoming calls and can also be used for touch vibration feedback.
  • touch operations for different applications can correspond to different vibration feedback effects.
  • the indicator 192 may be an indicator light, which may be used to indicate charging status, power changes, or may be used to indicate messages, missed calls, notifications, etc.
  • the software system of the electronic device 100 may adopt a layered architecture, an event-driven architecture, a microkernel architecture, a microservice architecture, or a cloud architecture.
  • the embodiment of this application takes the Android system with a layered architecture as an example to illustrate the software structure of the electronic device 100 .
  • FIG. 5 is a software structure block diagram of the electronic device 100 according to the embodiment of the present application.
  • the layered architecture of the electronic device 100 divides the software into several layers, and each layer has clear roles and division of labor.
  • the layers communicate through software interfaces.
  • the Android system is divided into four layers, from top to bottom: application layer, application framework layer, Android runtime (Android Runtime) and system libraries, and kernel layer.
  • the application layer can include a series of application packages.
  • the application package can include calls, Wi-Fi modules, mobile communication modules, and can also include applications such as cameras, galleries, calendars, maps, navigation, Bluetooth, music, videos, and short messages.
  • the Wi-Fi module can be used to detect whether the Wi-Fi status of the electronic device changes, and the mobile communication module can be used to adjust the mobile communication network registered by the electronic device.
  • the application framework layer provides an application programming interface (API) and programming framework for applications in the application layer.
  • API application programming interface
  • the application framework layer includes some predefined functions.
  • the application framework layer can include window manager, content provider, view system, phone manager, resource manager, notification manager, etc.
  • a window manager is used to manage window programs.
  • the window manager can obtain the display size, determine whether there is a status bar, lock the screen, capture the screen, etc.
  • Content providers are used to store and retrieve data and make this data accessible to applications.
  • Said data can include videos, images, audio, calls made and received, browsing history and bookmarks, phone books, etc.
  • the view system includes visual controls, such as controls that display text, controls that display pictures, etc.
  • a view system can be used to build applications.
  • the display interface can be composed of one or more views.
  • a display interface including a text message notification icon may include a view for displaying text and a view for displaying pictures.
  • the phone manager is used to provide communication functions of the electronic device 100 .
  • call status management including connected, hung up, etc.
  • the resource manager provides various resources to applications, such as localized strings, icons, pictures, layout files, video files, etc.
  • the notification manager allows applications to display notification information in the status bar, which can be used to convey notification-type messages and can automatically disappear after a short stay without user interaction.
  • the notification manager is used to notify download completion, message reminders, etc.
  • Android Runtime includes core libraries and virtual machines. Android Runtime is responsible for the scheduling and management of the Android system.
  • the core library contains two parts: one part is the functional functions that need to be called by the Java language, and the other part is the core library of Android.
  • the application layer and application framework layer run in virtual machines.
  • the virtual machine executes the java files of the application layer and application framework layer into binary files.
  • the virtual machine is used to perform object life cycle management, stack management, thread management, security and exception management, and garbage collection and other functions.
  • System libraries can include multiple functional modules. For example: surface manager (surface manager), media libraries (Media Libraries), 3D graphics processing libraries (for example: OpenGL ES), 2D graphics engines (for example: SGL), etc.
  • the surface manager is used to manage the display subsystem and provides the fusion of 2D and 3D layers for multiple applications.
  • the media library supports playback and recording of a variety of commonly used audio and video formats, as well as static image files, etc.
  • the media library can support a variety of audio and video encoding formats, such as: MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, etc.
  • the 3D graphics processing library is used to implement 3D graphics drawing, image rendering, composition, and layer processing.
  • 2D Graphics Engine is a drawing engine for 2D drawing.
  • the kernel layer is the layer between hardware and software.
  • the kernel layer at least includes display driver, audio driver, Wi-Fi driver, sensor driver, mobile communication driver, etc.
  • the hardware at least includes processors, displays, Wi-Fi modules, mobile communication modules, sensors, etc.
  • the layers in the software structure shown in FIG. 5 and the components included in each layer do not constitute specific limitations on the electronic device 100 .
  • the electronic device 100 may include more or fewer layers than shown in the figures, and each layer may include more or fewer components, which is not limited by this application.
  • the electronic device includes corresponding hardware and/or software modules that perform various functions.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving the hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions in conjunction with the embodiments for each specific application, but such implementations should not be considered to be beyond the scope of this application.
  • the embodiment of this application provides a communication method.
  • the following explanation takes the UE as a mobile phone as an example.
  • the mobile phone when the mobile phone is connected to Wi-Fi and the Wi-Fi signal is better, the mobile phone turns off its 5G SA mode so that the mobile phone can re-register in the 4G mobile communication network.
  • users can surf the Internet based on Wi-Fi network and make voice calls based on 4G mobile communication network. In this way, it not only ensures the success rate of voice calls for users, but also provides users with a better online experience.
  • FIG. 6 is a schematic diagram of the interaction of each module. Referring to Figure 6, the flow of the communication method provided by the embodiment of the present application specifically includes:
  • the Wi-Fi module detects a change in Wi-Fi status.
  • the Wi-Fi status refers to the status related to the Wi-Fi connection, including but not limited to: Wi-Fi connection status and Wi-Fi signal strength value, etc.
  • Wi-Fi connection status which can include Wi-Fi connected and Wi-Fi not connected.
  • the Wi-Fi module detects that the Wi-Fi status of the mobile phone switches from Wi-Fi connected to Wi-Fi not connected, or from Wi-Fi not connected to Wi-Fi connected, it determines that the mobile phone's Wi-Fi status -Fi status changes.
  • the Wi-Fi module when the Wi-Fi module detects that the Wi-Fi signal strength value increases or decreases, it is determined that the Wi-Fi status of the mobile phone has changed.
  • the Wi-Fi module detects whether the Wi-Fi status of the mobile phone has changed in real time based on the relevant data collected by the Wi-Fi module.
  • the Wi-Fi module sends instruction information to the mobile communication module.
  • the Wi-Fi module When the Wi-Fi module detects a change in the Wi-Fi status, it sends indication information to the mobile communication module.
  • the indication information is used to indicate to the mobile communication module that the Wi-Fi status of the mobile phone has changed.
  • the indication information includes but is not limited to Wi-Fi connection status and Wi-Fi signal strength value.
  • the mobile communication module determines whether Wi-Fi is available and the signal strength is higher than the first threshold. If yes, S604 is executed. If not, S612 is executed.
  • the mobile communication module receives the indication information and determines whether Wi-Fi is available based on the indication information. If the Wi-Fi connection status is connected, the mobile phone Wi-Fi is available; if the Wi-Fi connection status is not connected, the mobile phone Wi-Fi is not available.
  • the mobile communication module continues to determine whether the Wi-Fi signal strength is higher than the first threshold. When the Wi-Fi signal strength is higher than the first threshold, the mobile communication module can determine that the current mobile phone Wi-Fi signal is better; when the Wi-Fi signal strength is not higher than the first threshold, the mobile communication module can determine that the current mobile phone Wi-Fi signal is poor.
  • the first threshold can be set, and this embodiment does not limit the first threshold.
  • the Wi-Fi module of the mobile phone cannot provide users with Internet access conditions.
  • the mobile phone also needs the mobile communication module to turn on the 5G SA mode to provide users with Internet access conditions at a higher data rate.
  • the mobile communication module of the mobile phone needs to further determine whether the 5G SA mode of the mobile phone is turned off. If the 5G SA mode of the mobile phone is turned off, the 5G SA mode of the mobile phone needs to be turned on again. If the 5G SA mode of the mobile phone is not turned off, there is no need to adjust the mobile communication network registered by the mobile phone, and the process ends.
  • the Wi-Fi module of the mobile phone when Wi-Fi is available, that is, the Wi-Fi status of the mobile phone is Wi-Fi connected, but the Wi-Fi signal strength is not higher than the first threshold, the Wi-Fi module of the mobile phone also It cannot provide users with better Internet access conditions.
  • the mobile communication module of the mobile phone turns on the 5G SA mode, it can provide users with Internet access conditions at a higher data rate.
  • the mobile communication module of the mobile phone needs to further determine whether the 5G SA mode of the mobile phone is turned off. If the 5G SA mode of the mobile phone is turned off, you need to turn on the 5G SA mode of the mobile phone again. If the 5G SA mode of the mobile phone is not turned off, there is no need to adjust the mobile communication network registered by the mobile phone, and the process ends.
  • the Wi-Fi module of the mobile phone can be Provide users with better Internet access conditions. At this time, if the mobile communication module of the mobile phone turns off the 5G SA mode, it will not affect the user's online experience.
  • the mobile communication module of the mobile phone can consider turning off the 5G SA mode so that the mobile phone can re-enter the 4G mobile communication network. In this way, when the mobile phone performs voice communication, there will no longer be Eps fallback type voice communication, but the call will be established under VoLTE, which improves the success rate of mobile phone voice communication.
  • the mobile communication module determines whether the mobile phone is in the simple mode. If so, S605 is executed. If not, S611 is executed.
  • the mobile communication module of the mobile phone can further determine whether the mobile phone is in the simple mode, and determine whether to adjust the mobile communication network registered by the mobile phone based on the judgment result.
  • the simple mode can also be called the aging-friendly mode (this embodiment does not limit the name of the mode), and its switch state is used to indicate whether the user is sensitive to the mobile network registered by the mobile phone.
  • the mobile phone when the mobile phone is in simple mode, that is, when the simple mode of the mobile phone is turned on, it indicates that the user is not sensitive to or does not care about the mobile network registered by the mobile phone. For example, it indicates that the user is not aware of whether the mobile phone is currently using 5G mobile communication displayed on the mobile phone interface. The network is not sensitive.
  • the mobile communication module of the mobile phone can consider turning off the 5G SA mode so that the mobile phone can re-enter the network to 4G mobile communication. network. In this way, turning off the 5G SA mode of the mobile phone in this situation will not affect the user's experience, that is, it will not affect the user's psychological perception of the mobile communication network.
  • S605 The mobile communication module determines whether the mobile phone supports VoNR. If not, execute S606. If yes, execute S611.
  • the mobile phone can establish a call under VoNR. Since the mobile phone supports VoNR to avoid Eps fallback type voice communication, the mobile communication module of the mobile phone does not need to turn off the 5G SA mode at this time, that is, there is no need to adjust the mobile communication network registered by the mobile phone, and the process ends.
  • mobile phones can not only provide users with stable and high-success rate voice communications based on VoNR, but also provide users with high-speed Internet access conditions.
  • the mobile communication module of the mobile phone can further combine other conditions to determine whether to adjust the mobile communication network registered by the mobile phone.
  • the mobile communication module determines whether the mobile phone is registered under the 5G SA network. If so, S607 is executed. If not, S611 is executed.
  • the mobile communication module also needs to confirm whether the mobile phone is registered under the 5G SA network. If so, it can further combine other conditions to determine whether to adjust the mobile communication network registered by the mobile phone to avoid Eps fallback type voice calls.
  • the mobile communication module does not need to adjust the mobile communication network registered by the mobile phone, and the process ends.
  • the mobile communication module determines whether the mobile phone is camped in a 5G cell with an abnormal 4G neighbor cell. If not, perform 608. If yes, perform S611.
  • 4G neighboring cells refer to adjacent 4G cells.
  • the mobile phone cannot register normally in the 4G mobile communication network. Therefore, if the mobile communication module of the mobile phone determines that the 5G SA cell it currently resides in is a 5G cell with abnormal 4G neighboring cells, it will not be able to complete the adjustment of the mobile communication network registered by the mobile phone, that is, it will not be able to use the mobile phone in the 4G mobile communication Registration is completed on the network and the process ends.
  • the mobile communication module determines that the mobile phone is stationed in a 5G cell with abnormal 4G neighboring cells, the mobile communication network registered by the mobile phone will not be adjusted, thereby avoiding the failure of adjusting the mobile communication network registered by the mobile phone and the failure of the mobile phone to successfully register with the mobile phone. Communication network issues.
  • the mobile communication module can query each 5G cell with abnormal 4G neighboring cells, for example, query the list of 5G cells with abnormal 4G neighboring cells.
  • the mobile communication module compares the 5G cell where the mobile phone currently resides with each 5G cell with abnormal 4G neighboring cells to determine whether the mobile phone resides in a 5G cell with abnormal 4G neighboring cells.
  • 4G neighbor cell abnormality refers to the lack of 4G neighbor cell coverage or the failure of 4G registration due to 4G cell abnormality.
  • the mobile communication module determines that the mobile phone is not camped in a 5G cell with abnormal 4G neighboring cells, it can further determine whether to adjust the mobile communication network registered by the mobile phone based on other conditions.
  • the mobile phone's Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold
  • the mobile phone does not support VoNR
  • the mobile phone is registered under the 5G SA network, and the 5G cell where the mobile phone currently resides is not a 4G neighboring cell
  • the mobile communication module of the mobile phone can turn off the 5G SA mode, so that the mobile phone can re-enter the 4G mobile communication network, and then a voice call can be established under VoLTE.
  • this embodiment does not limit the execution order of S604, S605, S606 and S607. That is to say, the order of S604, S605, S606 and S607 in this embodiment can be exchanged.
  • the mobile communication module determines whether the NR signal strength of the mobile phone is lower than the second threshold. If yes, execute 609; if not, execute S611.
  • the mobile communication module of the mobile phone can also determine whether to adjust the mobile communication network registered by the mobile phone based on the current NR signal strength of the mobile phone.
  • the mobile communication module of the mobile phone may not adjust the mobile communication network registered by the mobile phone, and the process ends.
  • the NR signal strength of the mobile phone is lower than the second threshold, it indicates that the NR signal of the mobile phone is poor, which will undoubtedly increase the failure rate of Eps fallback type voice communication.
  • the mobile communication module turns off the 5G SA mode, allowing the mobile phone to re-enter the 4G mobile communication network, and establish a voice call under VoLTE.
  • the 5G SA mode to adjust the mobile communication network of the mobile phone, compared with adjusting the mobile communication network by turning off the 5G SA mode when the NR signal is better, the success rate of voice calls will be more obvious.
  • the second threshold can be set, and this embodiment does not limit the second threshold.
  • the mobile communication module turns off the 5G SA mode.
  • the mobile phone After the 5G SA mode of the mobile phone is turned off, the mobile phone cannot register in the 5G mobile communication network, and can then perform the registration process in the 4G mobile communication network.
  • the mobile communication module determines whether the mobile phone is successfully camped in the 4G cell. If not, execute 614. If yes, execute S611.
  • the mobile phone can be registered normally in the 4G mobile communication network, the mobile communication network registered by the mobile phone is successfully adjusted from 5G to 4G. At this time, the mobile phone is re-registered to the 4G mobile communication network, and the mobile phone can establish a voice call under VoLTE. This process Finish.
  • the mobile phone when the mobile phone can be re-camped on the 4G mobile communication network, it indicates that the 5G cell where the mobile phone was previously camped has a normal 4G neighbor cell. Furthermore, the mobile communication module can update the abnormal 4G cell list based on the normal 4G neighboring cells to ensure the accuracy of the recorded abnormal 4G cells.
  • the mobile phone when the mobile phone can be re-camped on the 4G mobile communication network, it indicates that the 5G cell where the mobile phone was previously camped is not a 5G cell with abnormal 4G neighboring cells. Furthermore, the mobile communication module can update the list of 5G cells with abnormal 4G neighboring cells according to the 5G cell to ensure the accuracy of the recorded 5G cells with abnormal 4G neighboring cells.
  • the mobile communication module determines whether the 5G SA mode is turned off. If so, execute 613. If not, execute S611.
  • the mobile communication module turns on the 5G SA mode.
  • the mobile phone After the 5G SA mode of the mobile phone is turned on, the mobile phone can register in the 5G mobile communication network.
  • the mobile communication module marks the previously resident 5G cell as a 5G cell with abnormal 4G neighbor cells, and executes S613.
  • the mobile phone After the 5G SA mode of the mobile phone is turned off, the mobile phone cannot register in the 5G mobile communication network and then registers in the 4G mobile communication network. If the mobile phone cannot register normally in the 4G mobile communication network, it means that the adjacent 4G cells of the 5G cell where the mobile phone previously resided are abnormal 4G cells, which means that the 5G cell where the mobile phone previously resided is a 5G cell with abnormal 4G neighboring cells. . At this time, the mobile communication module can mark the previously camped 5G cell as a 5G cell with abnormal 4G neighboring cells, and update the recorded 5G cell with abnormal 4G neighboring cells.
  • the mobile communication module can also mark the 4G cell adjacent to the previously camped 5G cell as an abnormal 4G cell, and update the recorded abnormal 4G cell.
  • recording abnormal 5G cells or abnormal 4G cells in 4G neighboring cells will help the mobile communication module determine whether the purpose of adjusting the mobile communication network can be achieved by turning off the 5G SA mode, which also provides a basis for judgment for S607.
  • the 5G SA mode of the mobile phone After the 5G SA mode of the mobile phone is turned off, if the mobile phone cannot register normally in the 4G mobile communication network, you need to re-enable the 5G SA mode of the mobile phone so that the mobile phone can re-register in the 5G mobile communication network, which can ensure mobile communication normal operation of the function.
  • the 5G SA mode of the mobile phone is turned off, so that the mobile phone is re-stationed in 4G and a voice call is established under VoLTE.
  • VoLTE Voice over IP
  • the mobile phone after the 5G SA mode of the mobile phone is turned off, if the mobile phone successfully completes registration in the 4G mobile communication network, the mobile phone will also exit the 4G mobile communication network based on changes in the Wi-Fi status and re-register to the 4G mobile communication network. In 5G mobile communication network. In this way, once the Wi-Fi connection cannot provide users with a better Internet experience, the mobile phone will re-register to the 5G mobile communication network instead of continuing to reside in the 4G community to ensure a smooth Internet experience for users.
  • FIG. 7 is a schematic diagram of the interaction of each module. Referring to Figure 7, the flow of the communication method provided by the embodiment of the present application specifically includes:
  • the Wi-Fi module detects a change in Wi-Fi status.
  • the Wi-Fi module sends the first instruction information to the mobile communication module.
  • the mobile communication module determines that the mobile phone Wi-Fi is available and the signal strength value is higher than the first threshold.
  • the mobile communication module determines that the mobile phone is in simple mode.
  • the mobile communication module determines that the mobile phone does not support VoNR.
  • the mobile communication module determines that the mobile phone is registered under the 5G SA network.
  • the mobile communication module determines that the mobile phone is stationed in an abnormal 5G cell in the 4G neighboring cell.
  • This embodiment does not limit the execution order of S704 to S707.
  • the mobile communication module determines that the NR signal strength of the mobile phone is lower than the second threshold.
  • the mobile communication module turns off the 5G SA mode.
  • the mobile communication module determines that the mobile phone is successfully stationed in the 4G community.
  • the Wi-Fi module detects a change in Wi-Fi status.
  • the mobile phone After the mobile communication module turns off the 5G SA mode, the mobile phone exits the 5G mobile communication network, and successfully registers with the 4G mobile communication network, the Wi-Fi status of the mobile phone may change, such as the Wi-Fi connection status changes, or the Wi-Fi connection status changes. Fi signal strength value changes.
  • the Wi-Fi module sends the second instruction information to the mobile communication module.
  • the Wi-Fi module When the Wi-Fi module detects a change in the Wi-Fi status, it continues to send instruction information to the mobile communication module, and informs the mobile communication module of the current Wi-Fi status of the mobile phone, so that the mobile communication module can respond to the current Wi-Fi status of the mobile phone.
  • the status determines whether the mobile phone's mobile communication network needs to be adjusted.
  • the mobile communication module determines that Wi-Fi is unavailable or the signal strength value is not higher than the first threshold.
  • the mobile communication module turns on the 5G SA mode.
  • the Wi-Fi module of the mobile phone cannot provide users with Internet access conditions and switches to the mobile communication module based on 4G mobile communication network provides users with Internet access conditions.
  • the mobile phone communication module also needs to turn on the 5G SA mode, so that the mobile phone can re-register to the 5G community and provide users with Internet access conditions at a higher data rate.
  • the Wi-Fi module of the mobile phone In another possible situation, when Wi-Fi is available, that is, the Wi-Fi status of the mobile phone is Wi-Fi connected, but the Wi-Fi signal strength is not higher than the first threshold, the Wi-Fi module of the mobile phone also It cannot provide users with better Internet access conditions. At this time, in order to ensure that users have a better Internet experience, the mobile phone communication module also needs to turn on the 5G SA mode, so that the mobile phone can re-register to the 5G community and provide users with Internet access conditions at a higher data rate.
  • the 5G SA mode of the mobile phone will be re-enabled so that the mobile phone can be re-registered in the 5G mobile communication network to ensure that the user Smooth Internet experience.
  • This embodiment provides a communication method.
  • This communication method is applied to electronic devices (such as mobile phones or smart wearable devices, etc.), and the electronic devices are registered in the 5G SA.
  • the communication method includes:
  • the Wi-Fi status refers to the status related to the Wi-Fi connection, including but not limited to: Wi-Fi connection status and Wi-Fi signal strength value, etc.
  • Wi-Fi connection status which can include Wi-Fi connected and Wi-Fi not connected.
  • the Wi-Fi module when the Wi-Fi module detects that the Wi-Fi status of the electronic device switches from Wi-Fi connected to Wi-Fi unconnected, or from Wi-Fi unconnected to Wi-Fi connected, it determines that the electronic device The device Wi-Fi status changes. In another example, when the Wi-Fi module detects that the Wi-Fi signal strength value increases or decreases, it is determined that the Wi-Fi status of the electronic device changes.
  • the electronic device When the Wi-Fi status changes, if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, the electronic device turns off its 5G SA mode. After the 5G SA mode of the electronic device is turned off, the electronic device cannot register in the 5G mobile communication network and can then register in the 4G mobile communication network.
  • the electronic device completes registration in the 4G mobile communication network.
  • the electronic device can successfully register in the 4G mobile communication network and reside in the corresponding 4G cell.
  • the electronic device After the electronic device is reconnected to the 4G mobile communication network, the electronic device can establish a voice call under VoLTE without Eps fallback type voice communication, thus ensuring the success rate of the voice call. At the same time, electronic devices can also provide users with a good Internet experience based on Wi-Fi communication. Therefore, in the early stage of 5G SA system construction, when the 5G SA network is not stable enough, this can not only ensure the success rate of user voice communication, but also ensure the user's Internet speed, achieving a balance between maintaining calls and maintaining Internet access. .
  • the electronic device if the electronic device fails to register in the 4G mobile communication network, the electronic device re-enables its 5G SA mode.
  • the electronic device After the 5G SA mode of the electronic device is turned off, the electronic device cannot register in the 5G mobile communication network and then register in the 4G mobile communication network. If the electronic device cannot register normally in the 4G mobile communication network, it means that the adjacent 4G cells of the 5G cell where the electronic device previously resided are abnormal 4G cells or there are no available 4G neighboring cells, which means that the 5G cell where the electronic device previously resided The cell is a 5G cell with abnormal 4G neighbor cells. At this time, the electronic device reopens its 5G SA mode so that the electronic device can re-register in the 5G mobile communication network to ensure the normal operation of the mobile communication function of the electronic device.
  • the target 5G cell is marked as a 5G cell with abnormal 4G neighbor cells; where the target 5G cell is where the electronic device resides before turning off the 5G SA mode. 5G cell.
  • the electronic device After the 5G SA mode of the electronic device is turned off, the electronic device cannot register in the 5G mobile communication network and then register in the 4G mobile communication network. If the electronic device cannot register normally in the 4G mobile communication network, it means that the adjacent 4G cells of the 5G cell where the electronic device previously resided are abnormal 4G cells, which means that the 5G cell where the electronic device previously resided is an abnormal 4G neighbor cell. 5G community. At this time, the electronic device can mark the previously resident 5G cell as a 5G cell with abnormal 4G neighbor cells, and update the recorded 5G cell with abnormal 4G neighbor cells.
  • the 5G SA mode of the electronic device is re-enabled.
  • Wi-Fi module of the electronic device cannot provide users with Internet access conditions and switches to mobile communication.
  • the module provides users with Internet access conditions based on the 4G mobile communication network.
  • the electronic device also needs the mobile communication module to turn on the 5G SA mode, so that the electronic device can re-register to the 5G community and provide users with Internet access conditions at a higher data rate.
  • the Wi-Fi status of the electronic device is Wi-Fi connected, but the Wi-Fi signal strength is not higher than the first threshold, the Wi-Fi status of the electronic device
  • the module also cannot provide users with better Internet access conditions.
  • the electronic device in order to ensure that users have a better Internet experience, the electronic device also needs the mobile communication module to turn on the 5G SA mode, so that the electronic device can re-register to the 5G community and provide users with Internet access conditions at a higher data rate.
  • the 5G SA mode of the electronic device is re-enabled so that the electronic device can be re-registered in the 5G mobile communication network. , ensuring users a smooth Internet experience.
  • S801 can be adjusted to: when the Wi-Fi status changes, if Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, and certain conditions are met, then close the 5G SA mode for electronic devices.
  • the electronic device when Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, if the electronic device does not support VoNR and the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighboring cells, the electronic device will be turned off. The device's 5G SA mode.
  • the electronic device can establish a call under VoNR. Since electronic devices supporting VoNR can avoid Eps fallback type voice communication, the mobile communication module of the electronic device does not need to turn off the 5G SA mode at this time, that is, there is no need to adjust the mobile communication network registered by the electronic device.
  • the electronic device cannot register normally in the 4G mobile communication network. Therefore, if the electronic device determines that the 5G SA cell it currently resides in is a 5G cell with abnormal 4G neighboring cells, it will not be able to complete the adjustment of the mobile communication network registered by the electronic device, that is, it will not be able to adjust the electronic device in the 4G mobile communication network. Complete registration.
  • the electronic device when Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, if the electronic device does not support VoNR and the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighboring cells, the electronic device will be turned off. 5G SA mode to enable electronic devices to exit the 5G mobile communication network. If the electronic device supports VoNR, or the 5G cell where the electronic device currently resides is a 5G cell with abnormal 4G neighboring cells, the 5G SA mode of the electronic device will not be turned off, that is, the mobile communication network of the electronic device will not be adjusted.
  • the electronic device when Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, if the electronic device does not support VoNR, the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighbor cells, and the electronic device is in Target mode, turn off the 5G SA mode of the electronic device.
  • the target mode is used to indicate that the user is not sensitive to the mobile communication network where the electronic device is registered.
  • the target mode may be called a simple mode or an aging mode.
  • simple mode that is, when the simple mode of the electronic device is turned on, it indicates that the user is not sensitive to or does not care about the mobile network registered by the electronic device. For example, it indicates that the user is not interested in whether the electronic device is displayed on the interface of the electronic device.
  • 5G mobile communication networks is not sensitive.
  • the electronic device when Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, if the electronic device does not support VoNR, the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighbor cells, and the electronic device is in the target mode, turn off the 5G SA mode of the electronic device so that the electronic device exits the 5G mobile communication network.
  • the electronic device when Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, if the electronic device does not support VoNR, the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighbor cells, and the electronic device's If the NR signal strength is lower than the second threshold, the 5G SA mode of the electronic device is turned off.
  • the NR signal strength of the electronic device is higher than the second threshold, it indicates that the NR signal of the electronic device is better, and the failure rate of Eps fallback type voice communication may be relatively low. If the NR signal strength of the electronic device is lower than the second threshold, it indicates that the NR signal of the electronic device is poor, which will undoubtedly increase the failure rate of Eps fallback type voice communication.
  • the electronic device when Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, if the electronic device does not support VoNR, the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighboring cells, and the NR of the electronic device is If the signal strength is lower than the second threshold, the 5G SA mode of the electronic device is turned off so that the electronic device exits the 5G mobile communication network.
  • the electronic device when Wi-Fi is available and the Wi-Fi signal strength is higher than the first threshold, if the electronic device does not support VoNR, the 5G cell where the electronic device currently resides is not a 5G cell with abnormal 4G neighbor cells, and the electronic device is in the target mode, and the NR signal strength of the electronic device is lower than the second threshold, the 5G SA mode of the electronic device is turned off.
  • the target mode is used to indicate that the user is not sensitive to the mobile communication network where the electronic device is registered.
  • the 5G SA mode of the electronic device is turned off, so that the electronic device can re-station on the 4G network and establish a voice call under VoLTE. In this way, it not only ensures the success rate of voice calls, but also enables users to have a good Internet experience based on Wi-Fi communication. Therefore, in the early stage of 5G SA system construction, when the 5G SA network is not stable enough, this can not only ensure the success rate of user voice communication, but also ensure the user's Internet speed, achieving a balance between maintaining calls and maintaining Internet access. .
  • This embodiment also provides a computer storage medium that stores computer instructions.
  • the computer instructions When the computer instructions are run on an electronic device, the electronic device executes the above related method steps to implement the communication method in the above embodiment.
  • This embodiment also provides a computer program product.
  • the computer program product When the computer program product is run on a computer, it causes the computer to perform the above related steps to implement the communication method in the above embodiment.
  • inventions of the present application also provide a device.
  • This device may be a chip, a component or a module.
  • the device may include a connected processor and a memory.
  • the memory is used to store computer execution instructions.
  • the processor can execute computer execution instructions stored in the memory, so that the chip executes the communication method in each of the above method embodiments.
  • the electronic devices such as mobile phones, etc.
  • computer storage media such as hard disk drives, etc.
  • computer program products or chips provided in this embodiment are all used to execute the corresponding methods provided above. Therefore, the beneficial effects they can achieve can be referred to the above. The beneficial effects of the corresponding methods provided will not be described again here.
  • the disclosed devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of modules or units is only a logical function division.
  • there may be other division methods for example, multiple units or components may be combined or can be integrated into another device, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.

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Abstract

本申请实施例提供了一种通信方法及电子设备。在该通信方法中，电子设备注册在5G SA中，当电子设备的Wi-Fi状态变化时，如果Wi-Fi可用且Wi-Fi信号强度较优，则关闭所述电子设备的5G SA模式，以使电子设备不再注册在5G移动通信网络中。继而，电子设备可以注册在4G移动通信网络中。此时，电子设备即可在VoLTE下建立语音通话，避免了Eps fallback类型的语音通信。这样，不仅能够保证语音通话的成功率，也能够基于WI-FI通信使用户具有良好的上网体验。

Description

通信方法及电子设备
本申请要求于2022年04月24日提交中国国家知识产权局、申请号为202210454773.1、申请名称为“通信方法及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，尤其涉及一种通信方法及电子设备。
背景技术
5G移动通信网络是最新一代的移动通信技术，相比于早期的4G、3G、2G等移动通信技术，5G能够提供更高的数据传输速率。其中，4G移动通信网络的无线接入技术为长期演进技术(Long Term Evolution，LTE)，其上面承载的语音通话业务称之为VoLTE；5G移动通信网络的无线接入技术为新空口(New Radio，NR)，其上面承载的语音通话业务称之为VoNR。
VoNR将作为5G SA(StandAlone，独立组网)的最终语音业务解决方案。然而，在5G SA建设的前期阶段，VoNR并未完全商用，采用的是EPS Fallback的通话解决方案。基于EPS Fallback的语音通信，需要从5G移动通信回落到4G移动通信重新驻网，以使用VoLTE承载语音业务。现网测试，基于EPS Fallback的语音通信失败率高于VoLTE。
由此，在5G SA建设的前期阶段，如何平衡语音通信成功率与数据传输速率是亟待解决的问题。
发明内容
为了解决上述技术问题，本申请实施例提供一种通信方法及电子设备。在该通信方法中，关闭电子设备的5G SA模式，使电子设备注册在4G移动通信网络并基于VoLTE进行语音通信，并基于Wi-Fi连接进行数据通信，以此避免Eps fallback类型的语音通信，不仅降低了语音通话的失败率，还能确保用户良好的上网体验。
第一方面，本申请实施例提供一种通信方法。该通信方法应用于电子设备中，该电子设备注册在5G SA中。其中，该通信方法包括：在电子设备的Wi-Fi状态变化时，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，则电子设备关闭电子设备的5G SA模式；电子设备在4G移动通信网络中完成注册。
其中，一旦关闭电子设备的5G SA模式，电子设备就无法注册在5G移动通信网络中。继而，电子设备可以注册在4G移动通信网络中。此时，电子设备即可在VoLTE下建立语音通话，避免了Eps fallback类型的语音通信，进而降低了语音通信的失败率。这样，不仅能够保证语音通话的成功率，也能够基于WI-FI通信使用户具有良好的上网体验，实现了保通话和保上网的平衡。
根据第一方面，在该通信方法中，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，则电子设备关闭电子设备的5G SA模式，可以包括：如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且满足一定的条件，则电子设备关闭电子设备的5G SA模式。
根据第一方面，或者以上第一方面的任意一种实现方式，在该通信方法中，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且满足一定的条件，则关闭电子设备的5G SA模式，可以包括：如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且电子设备不支持VoNR，电子设备当前驻留的5G小区也不是4G邻区异常的5G小区，则电子设备关闭电子设备的5G SA模式。
其中，如果电子设备支持VoNR，则电子设备可以在VoNR下建立通话。由于电子设备支持VoNR可以避免Eps fallback类型的语音通信。故在电子设备支持VoNR时，无需关闭电子设备的5G SA模式，对电子设备的移动通信网络进行调整。
其中，如果电子设备当前驻留的5G小区是4G邻区异常的5G小区，则电子自身无法注册在4G移动通信网络中完成注册。故在电子设备当前驻留的5G小区是4G邻区异常的5G小区时，关闭电子设备的5G SA模式，不仅使电子设备退出5G移动通信网络，又会使电子设备无法成功注册在4G移动通信网络中。
这样，在电子设备不支持VoNR，且电子设备当前驻留的5G小区也不是4G邻区异常的5G小区时，关闭电子设备的5G SA模式，确保了电子设备的移动通信网络调整的准确性，避免出现调整失败或调整后影响用户使用体验的问题。
根据第一方面，或者以上第一方面的任意一种实现方式，在该通信方法中，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且电子设备不支持VoNR，电子设备当前驻留的5G小区也不是4G邻区异常的5G小区，同时电子设备处于目标模式，则电子设备关闭电子设备的5G SA模式。其中，目标模式用于指示用户对电子设备注册的移动通信网络不敏感。
示例性的，目标模式可以为简易模式或适老模式。这样，在电子设备处于目标模式时，才关闭电子设备的5G SA模式，不会影响用户的使用体验，也即不会影响用户对手机移动通信网络的心理感官。
根据第一方面，或者以上第一方面的任意一种实现方式，在该通信方法中，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且电子设备不支持VoNR，电子设备当前驻留的5G小区也不是4G邻区异常的5G小区，同时电子设备的NR信号强度低于第二阈值，则电子设备关闭电子设备的5G SA模式。
这样，在电子设备的NR信号强度低于第二阈值时，才关闭电子设备的5G SA模式，使电子设备重新驻网到4G移动通信网络，相比较于5G SA模式开启，语音通话成功率得到提升。
根据第一方面，或者以上第一方面的任意一种实现方式，在该通信方法中，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且电子设备不支持VoNR，电子设备当前驻留的5G小区也不是4G邻区异常的5G小区，同时电子设备处于目标模式，电子设备的NR信号强度低于第二阈值，则电子设备关闭电子设备的5G SA模式。
根据第一方面，或者以上第一方面的任意一种实现方式，该通信方法还包括：如果 电子设备在4G移动通信网络中注册不成功，则电子设备重新开启电子设备的5G SA模式。
电子设备重新开启5G SA模式后，电子设备会重新注册到5G移动通信网络中，这样能够避免电子设备无移动通信网络可用的问题。
根据第一方面，或者以上第一方面的任意一种实现方式，该通信方法还包括：如果电子设备在4G移动通信网络中注册不成功，则电子设备将目标5G小区标记为4G邻区异常的5G小区；其中，目标5G小区为电子设备在关闭5G SA模式之前驻留的5G小区。
这样，将4G邻区异常的5G小区进行标记，可以作为电子设备判断是否关闭5G SA模式的依据，避免出现电子设备关闭5G SA模式后无移动网络可用的问题。
根据第一方面，或者以上第一方面的任意一种实现方式，电子设备在4G移动通信网络中完成注册之后，还包括：如果Wi-Fi不可用或者Wi-Fi信号强度不高于第一阈值，则电子设备重新开启电子设备的5G SA模式。
这样，一旦Wi-Fi通信无法为用户提供较佳的上网体验，则重新开启电子设备的5G SA模式，以使电子设备重新注册在5G移动通信网络中，确保用户流畅的上网体验。
第二方面，本申请实施例提供一种电子设备。该电子设备包括：一个或多个处理器；存储器；以及一个或多个计算机程序，其中一个或多个计算机程序存储在存储器上，当计算机程序被一个或多个处理器执行时，使得电子设备执行以下步骤：在电子设备的Wi-Fi状态变化时，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，则电子设备关闭电子设备的5G SA模式；电子设备在4G移动通信网络中完成注册。
根据第二方面，当计算机程序被一个或多个处理器执行时，使得电子设备执行以下步骤：如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且满足一定的条件，则电子设备关闭电子设备的5G SA模式。
根据第二方面，或者以上第二方面的任意一种实现方式，当计算机程序被一个或多个处理器执行时，使得电子设备执行以下步骤：如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且电子设备不支持VoNR，电子设备当前驻留的5G小区也不是4G邻区异常的5G小区，则电子设备关闭电子设备的5G SA模式。
根据第二方面，或者以上第二方面的任意一种实现方式，当计算机程序被一个或多个处理器执行时，使得电子设备执行以下步骤：如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且电子设备不支持VoNR，电子设备当前驻留的5G小区也不是4G邻区异常的5G小区，同时电子设备处于目标模式，则电子设备关闭电子设备的5G SA模式。其中，目标模式用于指示用户对电子设备注册的移动通信网络不敏感。
根据第二方面，或者以上第二方面的任意一种实现方式，当计算机程序被一个或多个处理器执行时，使得电子设备执行以下步骤：如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且电子设备不支持VoNR，电子设备当前驻留的5G小区也不是4G邻区异常的5G小区，同时电子设备的NR信号强度低于第二阈值，则电子设备关闭电子设备的5G SA模式。
根据第二方面，或者以上第二方面的任意一种实现方式，当计算机程序被一个或多 个处理器执行时，使得电子设备执行以下步骤：如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且电子设备不支持VoNR，电子设备当前驻留的5G小区也不是4G邻区异常的5G小区，同时电子设备处于目标模式，电子设备的NR信号强度低于第二阈值，则电子设备关闭电子设备的5G SA模式。
根据第二方面，或者以上第二方面的任意一种实现方式，当计算机程序被一个或多个处理器执行时，使得电子设备还执行以下步骤：如果电子设备在4G移动通信网络中注册不成功，则电子设备重新开启电子设备的5G SA模式。
根据第二方面，或者以上第二方面的任意一种实现方式，当计算机程序被一个或多个处理器执行时，使得电子设备还执行以下步骤：如果电子设备在4G移动通信网络中注册不成功，则电子设备将目标5G小区标记为4G邻区异常的5G小区；其中，目标5G小区为电子设备在关闭5G SA模式之前驻留的5G小区。
根据第二方面，或者以上第二方面的任意一种实现方式，当计算机程序被一个或多个处理器执行时，使得电子设备还执行以下步骤：电子设备在4G移动通信网络中完成注册之后，如果Wi-Fi不可用或者Wi-Fi信号强度不高于第一阈值，则电子设备重新开启电子设备的5G SA模式。
第二方面以及第二方面的任意一种实现方式分别与第一方面以及第一方面的任意一种实现方式相对应。第二方面以及第二方面的任意一种实现方式所对应的技术效果可参见上述第一方面以及第一方面的任意一种实现方式所对应的技术效果，此处不再赘述。
第三方面，本申请实施例提供一种计算机可读存储介质。该计算机可读存储介质包括计算机程序，当计算机程序在电子设备上运行时，使得电子设备执行第一方面以及第一方面中任意一项的通信方法。
第三方面以及第三方面的任意一种实现方式分别与第一方面以及第一方面的任意一种实现方式相对应。第三方面以及第三方面的任意一种实现方式所对应的技术效果可参见上述第一方面以及第一方面的任意一种实现方式所对应的技术效果，此处不再赘述。
第四方面，本申请实施例提供一种计算机程序产品，包括计算机程序，当计算机程序被运行时，使得计算机执行如第一方面或第一方面中任意一项的通信方法。
第四方面以及第四方面的任意一种实现方式分别与第一方面以及第一方面的任意一种实现方式相对应。第四方面以及第四方面的任意一种实现方式所对应的技术效果可参见上述第一方面以及第一方面的任意一种实现方式所对应的技术效果，此处不再赘述。
第五方面，本申请提供了一种芯片，该芯片包括处理电路、收发管脚。其中，该收发管脚和该处理电路通过内部连接通路互相通信，该处理电路执行如第一方面或第一方面中任意一项的通信方法，以控制接收管脚接收信号，以控制发送管脚发送信号。
第五方面以及第五方面的任意一种实现方式分别与第一方面以及第一方面的任意一种实现方式相对应。第五方面以及第五方面的任意一种实现方式所对应的技术效果可参见上述第一方面以及第一方面的任意一种实现方式所对应的技术效果，此处不再赘述。
附图说明
图1a为示例性示出的一种5G SA组网的实现方式示意图；
图1b为示例性示出的一种5G SA组网的实现方式示意图；
图2为5G SA网络的EPS Fallback业务涉及的网元的示意图；
图3为示例性示出的EPS Fallback业务的流程示意图；
图4为示例性示出的电子设备的硬件结构示意图；
图5为示例性示出的电子设备的软件结构示意图；
图6为本申请实施例提供的一种通信方法的流程图；
图7为本申请实施例提供的一种通信方法的流程图；
图8为本申请实施例提供的一种通信方法的流程图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。
本申请实施例的说明书和权利要求书中的术语“第一”和“第二”等是用于区别不同的对象，而不是用于描述对象的特定顺序。例如，第一目标对象和第二目标对象等是用于区别不同的目标对象，而不是用于描述目标对象的特定顺序。
在本申请实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
在本申请实施例的描述中，除非另有说明，“多个”的含义是指两个或两个以上。例如，多个处理单元是指两个或两个以上的处理单元；多个系统是指两个或两个以上的系统。
5G是最新一代的移动通信技术，相比于早期的4G、3G、2G等移动通信技术，5G能够提供更高的数据速率、更低的延迟、万物互联的全连接、更节省能源、更低的成本、更高的系统容量和大规模设备接入。
5G NR是一种新的无线接入技术，由第三代合作伙伴计划(3rd generation partnership project，3GPP)开发，用于5G移动通信网络，是5G网络空中接口的全球通用标准。
目前，5G系统的组网方式包括5G NSA(Non-Standalone，非独立组网)和5G SA(独立组网)。其中，5G NSA组网方式需要使用4G基站和4G核心网，以4G作为控制 面的锚点，满足激进运营商利用现有LTE网络资源，实现5G NR快速部署的需求。而SA组网则是独立于4G网络的，需要重新建设一个网络。
现有标准定义了多种组网方式，包括5G Option 1、5G Option 2、5G Option 3/3a、5G Option 4/4a、5G Option 5、5G Option 6、5G Option 7/7a、5G Option 8/8a等多种可能的多种组网方式，其中有SA的组网方式，也有NSA的组网方式。
其中，5G Option2组网是5G SA组网的一种实现方式，gNB直接接入到5GC(5G Core Network，5G核心网)下，参照图1a所示。5G Option5组网是5G SA组网的一种实现方式，该组网主要是从LTE的组网演变而来，随着5GC的部署，将原接入4G核心网EPC(Evolved Packet Core，演进分组核心网)的eNB升级为ng-eNB后，割接到5GC下，参照图1b所示。
目前，3GPP已经明确5G SA移动通信网络沿用4G移动通信网络的语音架构，仍然基于IMS(IP Multimedia Core Network Subsystem，IP多媒体网络子系统)提供语音业务。4G移动通信网络的无线接入技术为LTE，其上面承载的语音通话业务称之为voice on LTE(VoLTE)；5G移动通信网络的无线接入技术如上文所示为NR，其上面承载的语音通话业务称之为voice on NR(VoNR)。其中，VoNR将作为5G SA的最终语音业务解决方案。在5G SA建设的前期阶段，5G NR可能不提供语音业务，那么，语音业务需要基于VoLTE实现。即，驻留在NR的UE在发起通话时，需要通过EPS Fallback的方式回落到4G，使用VoLTE承载语音业务。由此可见，在5G SA系统建设的前期阶段，VoLTE、VoNR会作为5G的IMS语音业务的不同接入方式存在。
下面结合附图对EPS Fallback这种通话的流程进行简要说明。
图2是5G SA网络的EPS Fallback业务涉及的网元的示意图。如图2所示，VoNR通过5G核心网5GC和5G接入网NG-RAN(例如：gNB基站)承载，涉及的网元包括：用户设备UE、NG-RAN、5GC、和IMS。VoLTE通过4G核心网EPC和4G接入网E-UTRAN(例如：eNB基站)承载。因此，EPS Fallback业务除上述VoNR涉及的网元以外，还包括EPC和E-UTRAN。
VoNR业务涉及的5GC中的网元例如可以包括：AMF(Access and Mobility Management Function，访问与移动性管理功能)网元、SMF(Session Management Function，会话管理功能)网元、UPF(User plane Function，用户面功能)网元和PCF(Policy Control Function，策略管控功能)网元。
其中，AMF网元用于对网络的控制面消息进行处理。其功能例如：接入网控制面处理、注册管理、连接管理、接入性管理、移动性管理、合法信息截获、提供给SMF一些特殊会话管理消息、访问鉴权和授权、安全锚定功能SEAF、位置服务管理、与4G系统EPS交互时分配EPS承载ID、UE移动事件通知、5G物联网中控制面数据传输优化、提供外部配置参数等。
SMF网元用于实现会话管理。其功能例如：会话建立、修改和释放，对UPF与接入网节点之间的通道进行维护，UE的IP地址分配和管理，选择并且控制用户面功能，在UPF上配置正确业务路由，策略控制功能的落地执行，计费数据收集并提供计费接口等。
UPF网元用于提供用户面功能。其功能例如：本系统/异系统移动性锚点，根据SMF请求分配UE IP地址，与外部数据网络对接的PDN会话节点，数据包路由/转发，数据包检查，用户面策略执行，合法截获，业务使用报告，用户面QoS处理，上行业务校验(业务数据流(SDF)到QoS流的映射)，上下行传输层数据包标记，下行数据包缓存和触发下行数据指示，在跨小区切换完成之后，向源小区发送或转发(来自SMF)的业务终止传输标识(end marker)，响应以太网数据传输提供对应UE MAC地址等。
PCF网元用于支持管控网络行为的统一策略框架，提供策略规则给控制平面执行，访问UDR(一个用户订阅数据存储库)中与策略制定相关的订阅信息。
EPS Fallback业务涉及的EPC中的网元例如还可以包括：MME(Mobility Management Entity，移动性管理实体)网元、SGW(Serving Gateway，服务网关)网元和PGW(PDN gateway，分组数据网关)网元。
其中，MME网元主要用于信令处理及移动性管理。其功能例如：NAS信令及其安全；跟踪区域(Tracking Area)列表的管理；PGW和SGW的选择；跨MME切换时对于MME的选择；在向2G/3G接入系统切换过程中业务GPRS支撑节点(serving GPRS support node，SGSN)的选择；鉴权、漫游控制以及承载管理；3GPP不同接入网络的核心网络节点之间的移动性管理；信令面的合法监听等。
SGW网元作为面向S1-U接口(eNB和SGW之间的接口)的网关，接受MME控制，承载用户面数据。其功能例如：当eNB间切换时作为本地锚定点并协助完成eNB的重排序功能；在3GPP不同接入系统间切换时的移动性锚点；合法侦听以及数据包的路由和前转；PDN和QoS级识别符(QoS class identifier，QCI)的上行链路和下行链路的相关计费等。
PGW网元与分组数据网(packet date network，PDN)连接，接受MME控制，承载用户面数据。其功能例如：分组数据包路由和转发；UE IP地址分配，接入外部PDN的网关功能；基于用户的包过滤；合法侦听；计费和QoS策略执行功能；基于业务的计费功能；在上行链路中进行数据包传送级标记；上下行服务等级计费以及服务水平门限的控制；基于业务的上下行速率的控制等。
当5GC向NG-RAN发起建立IMS语音会话专用承载QoS Flow的请求时，如果NG-RAN不具备VoNR能力，则可以根据UE的NR能力、N26接口的部署情况、LTE的无线条件以及AMF(Access and Mobility Management Function，访问与移动性管理功能)的指示信息判断是否触发EPS Fallback。如果触发EPS Fallback，则NG-RAN向5GC发起重定向或者inter-RAT切换请求，并等待UE回落到LTE网络，由EPC和E-UTRAN通过VoLTE提供语音服务。
在具体实现中，根据3GPP技术规范TS 23.502的描述，如图3所示，EPS Fallback流程具体可以包括以下步骤：
1、在UE主叫或者被叫的通话场景下，IMS会根据SIP信令交互触发建立IMS语音会话专用承载QoS Flow的流程(1.MO or MT IMS voice session in 5GS；Qos Flow for voice establishment initiated)。
2、5GC侧发起启动PDU(Protocol Data Unit，协议数据单元)会话修改流程，以向接入网NG-RAN发起建立专用承载QoS flow的请求(2.NW initated PDU session modification to setup Qos flow for ims voice)。
3、NG-RAN被配置为支持IMS语音的EPS Fallback，并且根据UE的能力、来自AMF的指示为“EPS EPS Fallback的重定向是可能的”、网络配置(例如N26的可用性配置)和无线条件决定是否回落到4G。其中，NG-RAN可以向UE发起LTE测量请求消息以采集测量报告，在此之后，UE需要执行LTE小区测量，并且将测量报告发送给NG-RAN(3.Trigger for fallback，optional Measurement Report Solicitation)。
4、如果回落到4G，NG-RAN通过PDU会话响应消息向5GC指示拒绝PDU会话修改并启动IMS语音的回退流程，5GC等待UE回落到4G(4.Reject PDU session modification indicating IMS Voice Fallback in progress)。
5、NG-RAN根据UE的能力、网络配置(例如N26的可用性配置)和无线条件等选择6a或者6b，通过系统间切换inter-RAT或者重定向的方式将UE切换到4G(5.Redirection or Handover to EPS)。
6a、UE从5G切换到4G，或者使用N26接口的系统间重定向回落到4G，然后启动跟踪区更新TAU程序(6a.TAU Procedure)。
6b、对于没有N26接口的系统间重定向到4G的情况，UE将向5GC发起带有PDN的附着请求类型为“切换”的连接请求(6b.Attach with PDN connectivity request with request type"handover")。
7、在UE完成回落到4G后，EPC(包括SMF/PGW-C的融合网元)发起启动PDU会话修改流程，以向接入网E-UTRAN发起建立专用承载QoS flow的请求(7.NW initiated PDN connection modification to setup dedicated bearer for voice)。
8、IMS语音会话继续建立。至少在LTE语音通话期间，E-UTRAN配置为不触发任何切换到5G(8.IMS Voice session establishment continued)。
如上所述，Eps fallback被叫过程包括收寻呼、NRRC建立、重定向后4G小区选择驻留、TAU/ATTACH过程、4G下语音承载激活、SIP交互等过程，任意子过程出现异常均会导致被叫建立失败。在实际应用中，Eps fallback被叫遇到的问题包括收寻呼失败、收到寻呼未收到来电的invite消息、NRRC建立失败、网络指定频点对应小区信号差、TAU慢导致资源预留超时或者TAU被拒、SIP消息发送失败等导致的被叫建立失败。对于Eps fallback类型的主叫，同样也存在从5G回落4G重新驻网的过程。然而，VoLTE已商用多年，较为稳定，在VoLTE下建立通话，不存在从5G回落4G重新驻网的过程。因此，Eps fallback的语音通信失败率显然会高于VoLTE。
对于语音通信而言，手机始终驻留在4G移动通信网络上是一个更优的选择。但是，手机驻留在5G移动通信网络上，手机上网速度会整体优于4G。因此，在5G SA系统建设的前期阶段，5G SA网络不是足够稳定的情况下，如何达到保通话和保上网的平衡是亟待解决的问题。
为了解决上述问题，本申请实施例提供了一种通信方法，该通信方法可以应用于终端设备UE，在5G SA建设的前期阶段，能够平衡语音通信成功率与数据传输速率，既能确保用户语音通信的成功率，又能确保用户的上网速度。
本申请实施例中的终端设备例如可以包括手机、平板电脑、可穿戴式设备、掌上游戏机、车载智能终端等。
如图4所示为电子设备100的结构示意图。可选地，电子设备100可以称为终端，也可以称为终端设备，终端可以为可穿戴式电子设备，例如可以是智能手表，本申请不做限定。需要说明的是，电子设备100的结构示意图可以适用于上述提及的手机。应该理解的是，图4所示电子设备100仅是电子设备的一个范例，并且电子设备100可以具有比图中所示的更多的或者更少的部件，可以组合两个或多个的部件，或者可以具有不同的部件配置。图4中所示出的各种部件可以在包括一个或多个信号处理和/或专用集成电路在内的硬件、软件、或硬件和软件的组合中实现。
电子设备100可以包括：处理器110，外部存储器接口120，内部存储器121，通用串行总线(universal serial bus，USB)接口130，充电管理模块140，电源管理模块141，电池142，天线1，天线2，移动通信模块150，无线通信模块160，音频模块170，扬声器170A，受话器170B，麦克风170C，耳机接口170D，传感器模块180，按键190，马达191，指示器192，摄像头193，显示屏194，以及用户标识模块(subscriber identification module，SIM)卡接口195等。其中传感器模块180可以包括压力传感器，陀螺仪传感器，加速度传感器，温度传感器，运动传感器，气压传感器，磁传感器，距离传感器，接近光传感器，指纹传感器，触摸传感器，环境光传感器，骨传导传感器等。
处理器110可以包括一个或多个处理单元，例如：处理器110可以包括应用处理器(application processor，AP)，调制解调处理器，图形处理器(graphics processing unit，GPU)，图像信号处理器(image signal processor，ISP)，控制器，存储器，视频编解码器，数字信号处理器(digital signal processor，DSP)，基带处理器，和/或神经网络处理器(neural-network processing unit，NPU)等。其中，不同的处理单元可以是独立的器件，也可以集成在一个或多个处理器中。
其中，控制器可以是电子设备100的神经中枢和指挥中心。控制器可以根据指令操作码和时序信号，产生操作控制信号，完成取指令和执行指令的控制。
处理器110中还可以设置存储器，用于存储指令和数据。在一些实施例中，处理器110中的存储器为高速缓冲存储器。
USB接口130是符合USB标准规范的接口，具体可以是Mini USB接口，Micro USB接口，USB Type C接口等。USB接口130可以用于连接充电器为电子设备100充电，也可以用于电子设备100与外围设备之间传输数据。也可以用于连接耳机，通过耳机播放音频。该接口还可以用于连接其他电子设备，例如AR设备等。
充电管理模块140用于从充电器接收充电输入。其中，充电器可以是无线充电器，也可以是有线充电器。在一些有线充电的实施例中，充电管理模块140可以通过USB接口130接收有线充电器的充电输入。在一些无线充电的实施例中，充电管理模块140可以通过电子设备100的无线充电线圈接收无线充电输入。充电管理模块140为电池142 充电的同时，还可以通过电源管理模块141为电子设备供电。
电源管理模块141用于连接电池142，充电管理模块140与处理器110。电源管理模块141接收电池142和/或充电管理模块140的输入，为处理器110，内部存储器121，外部存储器，显示屏194，摄像头193，和无线通信模块160等供电。
电子设备100的无线通信功能可以通过天线1，天线2，移动通信模块150，无线通信模块160，调制解调处理器以及基带处理器等实现。
天线1和天线2用于发射和接收电磁波信号。电子设备100中的每个天线可用于覆盖单个或多个通信频带。不同的天线还可以复用，以提高天线的利用率。例如：可以将天线1复用为无线局域网的分集天线。在另外一些实施例中，天线可以和调谐开关结合使用。
移动通信模块150可以提供应用在电子设备100上的包括2G/3G/4G/5G等无线通信的解决方案。移动通信模块150可以包括至少一个滤波器，开关，功率放大器，低噪声放大器(low noise amplifier，LNA)等。移动通信模块150可以由天线1接收电磁波，并对接收的电磁波进行滤波，放大等处理，传送至调制解调处理器进行解调。移动通信模块150还可以对经调制解调处理器调制后的信号放大，经天线1转为电磁波辐射出去。在一些实施例中，移动通信模块150的至少部分功能模块可以被设置于处理器110中。在一些实施例中，移动通信模块150的至少部分功能模块可以与处理器110的至少部分模块被设置在同一个器件中。
调制解调处理器可以包括调制器和解调器。其中，调制器用于将待发送的低频基带信号调制成中高频信号。解调器用于将接收的电磁波信号解调为低频基带信号。随后解调器将解调得到的低频基带信号传送至基带处理器处理。低频基带信号经基带处理器处理后，被传递给应用处理器。应用处理器通过音频设备(不限于扬声器170A，受话器170B等)输出声音信号，或通过显示屏194显示图像或视频。在一些实施例中，调制解调处理器可以是独立的器件。在另一些实施例中，调制解调处理器可以独立于处理器110，与移动通信模块150或其他功能模块设置在同一个器件中。
无线通信模块160可以提供应用在电子设备100上的包括无线局域网(wireless local area networks，WLAN)(如无线保真(wireless fidelity，Wi-Fi)网络)，蓝牙(bluetooth，BT)，全球导航卫星系统(global navigation satellite system，GNSS)，调频(frequency modulation，FM)，近距离无线通信技术(near field communication，NFC)，红外技术(infrared，IR)等无线通信的解决方案。无线通信模块160可以是集成至少一个通信处理模块的一个或多个器件。无线通信模块160经由天线2接收电磁波，将电磁波信号调频以及滤波处理，将处理后的信号发送到处理器110。无线通信模块160还可以从处理器110接收待发送的信号，对其进行调频，放大，经天线2转为电磁波辐射出去。
在一些实施例中，电子设备100的天线1和移动通信模块150耦合，天线2和无线通信模块160耦合，使得电子设备100可以通过无线通信技术与网络以及其他设备通信。所述无线通信技术可以包括全球移动通讯系统(global system for mobile communications，GSM)，通用分组无线服务(general packet radio service，GPRS)，码分多址接入(code division multiple access，CDMA)，宽带码分多址(wideband code division multiple access， WCDMA)，时分码分多址(time-division code division multiple access，TD-SCDMA)，长期演进(long term evolution，LTE)，新空口(new radio，NR)，BT，GNSS，WLAN，NFC，FM，和/或IR技术等。所述GNSS可以包括全球卫星定位系统(global positioning system，GPS)，全球导航卫星系统(global navigation satellite system，GLONASS)，北斗卫星导航系统(beidou navigation satellite system，BDS)，准天顶卫星系统(quasi-zenith satellite system，QZSS)和/或星基增强系统(satellite based augmentation systems，SBAS)。
电子设备100通过GPU，显示屏194，以及应用处理器等实现显示功能。处理器110可包括一个或多个GPU，其执行程序指令以生成或改变显示信息。
显示屏194用于显示图像，视频等。显示屏194包括显示面板。在一些实施例中，电子设备100可以包括1个或N个显示屏194，N为大于1的正整数。
电子设备100可以通过ISP，摄像头193，视频编解码器，GPU，显示屏194以及应用处理器等实现拍摄功能。
摄像头193用于捕获静态图像或视频。在一些实施例中，电子设备100可以包括1个或N个摄像头193，N为大于1的正整数。
外部存储器接口120可以用于连接外部存储卡，例如Micro SD卡，实现扩展电子设备100的存储能力。
内部存储器121可以用于存储计算机可执行程序代码，所述可执行程序代码包括指令。处理器110通过运行存储在内部存储器121的指令，从而执行电子设备100的各种功能应用以及数据处理，使得电子设备100实现本申请实施例中的通信方法。
电子设备100可以通过音频模块170，扬声器170A，受话器170B，麦克风170C，耳机接口170D，以及应用处理器等实现音频功能。例如音乐播放，录音等。
音频模块170用于将数字音频信息转换成模拟音频信号输出，也用于将模拟音频输入转换为数字音频信号。音频模块170还可以用于对音频信号编码和解码。在一些实施例中，音频模块170可以设置于处理器110中，或将音频模块170的部分功能模块设置于处理器110中。
扬声器170A，也称“喇叭”，用于将音频电信号转换为声音信号。电子设备100可以通过扬声器170A收听音乐，或收听免提通话。在一些实施例中，电子设备100可以设置多个扬声器170A。
受话器170B，也称“听筒”，用于将音频电信号转换成声音信号。当电子设备100接听电话或语音信息时，可以通过将受话器170B靠近人耳接听语音。
麦克风170C，也称“话筒”，“传声器”，用于将声音信号转换为电信号。当拨打电话或发送语音信息时，用户可以通过人嘴靠近麦克风170C发声，将声音信号输入到麦克风170C。电子设备100可以设置至少一个麦克风170C。在另一些实施例中，电子设备100可以设置两个麦克风170C，除了采集声音信号，还可以实现降噪功能。在另一些实施例中，电子设备100还可以设置三个，四个或更多麦克风170C，实现采集声音信号，降噪，还可以识别声音来源，实现定向录音功能等。
耳机接口170D用于连接有线耳机。耳机接口170D可以是USB接口130，也可以是3.5mm的开放移动电子设备平台(open mobile terminal platform，OMTP)标准接口，美国蜂 窝电信工业协会(cellular telecommunications industry association of the USA，CTIA)标准接口。
压力传感器用于感受压力信号，可以将压力信号转换成电信号。在一些实施例中，压力传感器可以设置于显示屏194。电子设备100也可以根据压力传感器的检测信号计算触摸的位置。
触摸传感器，也称“触控面板”。触摸传感器可以设置于显示屏194，由触摸传感器与显示屏194组成触摸屏，也称“触控屏”。触摸传感器用于检测作用于其上或附近的触摸操作。触摸传感器可以将检测到的触摸操作传递给应用处理器，以确定触摸事件类型。
按键190包括开机键(或称电源键)，音量键等。按键190可以是机械按键。也可以是触摸式按键。电子设备100可以接收按键输入，产生与电子设备100的用户设置以及功能控制有关的键信号输入。
马达191可以产生振动提示。马达191可以用于来电振动提示，也可以用于触摸振动反馈。例如，作用于不同应用(例如拍照，音频播放等)的触摸操作，可以对应不同的振动反馈效果。
指示器192可以是指示灯，可以用于指示充电状态，电量变化，也可以用于指示消息，未接来电，通知等。
电子设备100的软件系统可以采用分层架构，事件驱动架构，微核架构，微服务架构，或云架构。本申请实施例以分层架构的Android系统为例，示例性说明电子设备100的软件结构。
图5是本申请实施例的电子设备100的软件结构框图。
电子设备100的分层架构将软件分成若干个层，每一层都有清晰的角色和分工。层与层之间通过软件接口通信。在一些实施例中，将Android系统分为四层，从上至下分别为应用程序层，应用程序框架层，安卓运行时(Android Runtime)和系统库，以及内核层。
应用程序层可以包括一系列应用程序包。
如图5所示，应用程序包可以包括通话、Wi-Fi模块、移动通信模块，还可以包括相机，图库，日历，地图，导航，蓝牙，音乐，视频，短信息等应用程序。
其中，在本申请实施例中，Wi-Fi模块可以用于检测电子设备的Wi-Fi状态是否发生变化，移动通信模块可以用于调整电子设备注册的移动通信网络。
应用程序框架层为应用程序层的应用程序提供应用编程接口(application programming interface，API)和编程框架。应用程序框架层包括一些预先定义的函数。
如图5所示，应用程序框架层可以包括窗口管理器，内容提供器，视图系统，电话管理器，资源管理器，通知管理器等。
窗口管理器用于管理窗口程序。窗口管理器可以获取显示屏大小，判断是否有状态栏，锁定屏幕，截取屏幕等。
内容提供器用来存放和获取数据，并使这些数据可以被应用程序访问。所述数据可以包括视频，图像，音频，拨打和接听的电话，浏览历史和书签，电话簿等。
视图系统包括可视控件，例如显示文字的控件，显示图片的控件等。视图系统可用于构建应用程序。显示界面可以由一个或多个视图组成的。例如，包括短信通知图标的显示界面，可以包括显示文字的视图以及显示图片的视图。
电话管理器用于提供电子设备100的通信功能。例如通话状态的管理(包括接通，挂断等)。
资源管理器为应用程序提供各种资源，比如本地化字符串，图标，图片，布局文件，视频文件等等。
通知管理器使应用程序可以在状态栏中显示通知信息，可以用于传达告知类型的消息，可以短暂停留后自动消失，无需用户交互。比如通知管理器被用于告知下载完成，消息提醒等。
Android Runtime包括核心库和虚拟机。Android Runtime负责安卓系统的调度和管理。
核心库包含两部分：一部分是java语言需要调用的功能函数，另一部分是安卓的核心库。
应用程序层和应用程序框架层运行在虚拟机中。虚拟机将应用程序层和应用程序框架层的java文件执行为二进制文件。虚拟机用于执行对象生命周期的管理，堆栈管理，线程管理，安全和异常的管理，以及垃圾回收等功能。
系统库可以包括多个功能模块。例如：表面管理器(surface manager)，媒体库(Media Libraries)，三维图形处理库(例如：OpenGL ES)，2D图形引擎(例如：SGL)等。
表面管理器用于对显示子系统进行管理，并且为多个应用程序提供了2D和3D图层的融合。
媒体库支持多种常用的音频，视频格式回放和录制，以及静态图像文件等。媒体库可以支持多种音视频编码格式，例如:MPEG4，H.264，MP3，AAC，AMR，JPG，PNG等。
三维图形处理库用于实现三维图形绘图，图像渲染，合成，和图层处理等。
2D图形引擎是2D绘图的绘图引擎。
内核层是硬件和软件之间的层。内核层至少包含显示驱动，音频驱动，Wi-Fi驱动，传感器驱动，移动通信驱动等。其中，硬件至少包括处理器、显示屏、Wi-Fi模块、移动通信模块，传感器等。
可以理解的是，图5示出的软件结构中的层以及各层中包含的部件，并不构成对电子设备100的具体限定。在本申请另一些实施例中，电子设备100可以包括比图示更多或更少的层，以及每个层中可以包括更多或更少的部件，本申请不做限定。
可以理解的是，电子设备为了实现本申请实施例中的通信方法，其包含了执行各个功能相应的硬件和/或软件模块。结合本文中所公开的实施例描述的各示例的算法步骤，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。本领域技术人员可以结合实施例对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
本申请实施例提供了一种通信方法。下述以UE为手机为例进行解释说明。其中，当手机连接Wi-Fi且Wi-Fi信号较优时，手机关闭其5G SA模式，以使手机重新注册在4G移动通信网络中。进而，用户可以基于Wi-Fi网络进行上网，基于4G移动通信网络进行语音通话。这样，不仅确保了用户语音通话的成功率，也能为用户提供较佳的上网体验。
如图6所示为各模块的交互示意图，参照图6，本申请实施例提供的通信方法的流程，具体包括：
S601,Wi-Fi模块检测到Wi-Fi状态发生变化。
其中，Wi-Fi状态指的是与Wi-Fi连接相关的状态，包括但不限于：Wi-Fi连接状态和Wi-Fi信号强度值等。Wi-Fi连接状态，可以包括Wi-Fi已连接和Wi-Fi未连接。
示例性的，当Wi-Fi模块检测到手机的Wi-Fi状态由Wi-Fi已连接切换到Wi-Fi未连接，或者由Wi-Fi未连接切换到Wi-Fi已连接，则确定手机Wi-Fi状态发生变化。
又示例性的，当Wi-Fi模块检测到Wi-Fi信号强度值增加或减小时，确定手机Wi-Fi状态发生变化。
Wi-Fi模块根据Wi-Fi模块采集到的相关数据，实时检测手机的Wi-Fi状态是否发生了变化。
S602,Wi-Fi模块向移动通信模块发送指示信息。
Wi-Fi模块在检测到Wi-Fi状态发生变化时，向移动通信模块发送指示信息。
其中，指示信息用于向移动通信模块指示手机的Wi-Fi状态发生了变化。示例性的，指示信息中包括但不限于Wi-Fi连接状态和Wi-Fi信号强度值。
S603,移动通信模块判断是否Wi-Fi可用且信号强度高于第一阈值，若是，则执行S604，若否，则执行S612。
移动通信模块接收到指示信息，根据该指示信息判断Wi-Fi是否可用。如果Wi-Fi连接状态为已连接，则手机Wi-Fi可用；如果Wi-Fi连接状态为未连接，则手机Wi-Fi不可用。
当手机Wi-Fi可用时，移动通信模块继续判断Wi-Fi信号强度是否高于第一阈值。当Wi-Fi信号强度高于第一阈值时，移动通信模块可以判断出当前手机Wi-Fi信号较佳；当Wi-Fi信号强度不高于第一阈值时，移动通信模块可以判断出当前手机Wi-Fi信号不佳。其中，第一阈值是可以设置的，本实施例对第一阈值不做限定。
一种可能的情况下，当Wi-Fi不可用时，也即当手机的Wi-Fi状态为Wi-Fi未连接时，手机的Wi-Fi模块无法为用户提供上网条件。此时，手机还需移动通信模块开启5G SA模式，以更高的数据速率为用户提供上网条件。在此种情况下，手机移动通信模块还需进一步判断手机的5G SA模式是否关闭，如果手机的5G SA模式已关闭，则需要再次开启手机的5G SA模式。如果手机的5G SA模式未关闭，则无需对手机注册的移动通信网络进行调整，流程结束。
又一种可能的情况下，当Wi-Fi可用，也即手机的Wi-Fi状态为Wi-Fi已连接，但Wi-Fi信号强度不高于第一阈值时，手机的Wi-Fi模块也无法为用户提供较佳的上网条件。 此时，若手机的移动通信模块开启5G SA模式，则能够以更高的数据速率为用户提供上网条件。在此种情况下，手机移动通信模块还需进一步判断手机的5G SA模式是否关闭。如果手机的5G SA模式已关闭，则需要再次开启手机的5G SA模式。如果手机的5G SA模式未关闭，则无需对手机注册的移动通信网络进行调整，流程结束。
再一种可能的情况下，当Wi-Fi可用，也即手机的Wi-Fi状态为Wi-Fi已连接，且Wi-Fi信号强度高于第一阈值时，手机的Wi-Fi模块可以为用户提供较佳的上网条件。此时，若手机的移动通信模块关闭5G SA模式，也不会对用户的上网体验产生影响。
由此，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，手机的移动通信模块可以考虑将5G SA模式关闭，以使手机重新驻网到4G移动通信网络。这样，在手机进行语音通信时，不再会存在Eps fallback类型的语音通信，而是在VoLTE下建立通话，提高了手机语音通信的成功率。
S604,移动通信模块判断手机是否处于简易模式，若是，则执行S605，若否，则执行S611。
在手机Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，手机的移动通信模块可以进一步判断手机是否处于简易模式，并根据判断结果确定是否调整手机注册的移动通信网络。
其中，简易模式，也可以称之为适老模式(本实施例对模式名称不做限定)，其开关状态用于指示用户对手机注册的移动网络是否敏感。
示例性的，当手机处于简易模式时，也即手机的简易模式开启时，表明用户对手机注册的移动网络不敏感或不在意等，例如表明用户对手机界面上是否显示手机当前使用5G移动通信网络不敏感。
由此，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值，同时手机处于简易模式时，手机的移动通信模块可以考虑将5G SA模式关闭，以使手机重新驻网到4G移动通信网络。这样，在此情形下将手机的5G SA模式关闭，不会影响用户的使用体验，也即不会影响用户对手机移动通信网络的心理感官。
S605,移动通信模块判断手机是否支持VoNR，若否，则执行S606，若是，则执行S611。
在Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且手机处于简易模式时，手机的移动通信模块是否将5G SA模式关闭，还可以考虑手机是否支持VoNR。
如果手机支持VoNR，则手机可以在VoNR下建立通话。由于手机支持VoNR可以避免Eps fallback类型的语音通信，故手机的移动通信模块此时无需将5G SA模式关闭，也即无需对手机注册的移动通信网络进行调整，流程结束。
这样，手机既可以基于VoNR为用户提供稳定且高成功率的语音通信，又可以为用户提供高速率的上网条件。
在Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且手机处于简易模式时，如果手机不支持VoNR，则无法避免Eps fallback类型的语音通信。此时，手机的移动通信模块可以进一步结合其他条件，确定是否调整手机注册的移动通信网络。
S606,移动通信模块判断手机是否注册在5G SA网络下，若是，则执行S607，若否，则执行S611。
移动通信模块还需确认手机是否注册在5G SA网络下，若是，则可以进一步结合其他条件，确定是否调整手机注册的移动通信网络，以避免出现Eps fallback类型的语音通话。
如果手机未注册在5G SA网络下，则在本实施方式中，移动通信模块无需对手机注册的移动通信网络进行调整，流程结束。
S607,移动通信模块判断手机是否驻留在4G邻区异常的5G小区，若否，则执行608，若是，则执行S611。
其中，4G邻区指的是相邻的4G小区。
如果手机当前驻留的5G小区的4G邻区异常，则手机无法正常在4G移动通信网络中进行注册。由此，手机的移动通信模块如果判断出其当前驻留的5G SA小区是4G邻区异常的5G小区，则无法完成对手机注册的移动通信网络的调整，也即无法将手机在4G移动通信网络中完成注册，流程结束。
这样，在移动通信模块判断出手机驻留在4G邻区异常的5G小区时，不对手机注册的移动通信网络进行调整，以此避免出现手机注册的移动通信网络调整失败、手机无法成功注册到移动通信网络的问题。
示例性的，移动通信模块可以查询4G邻区异常的各个5G小区，例如查询4G邻区异常的5G小区列表。移动通信模块将手机当前驻留的5G小区与4G邻区异常的各个5G小区进行对比，即可判断出手机是否驻留在4G邻区异常的5G小区。其中，4G邻区异常指的是无4G邻区覆盖或4G小区异常导致4G不能注册。
如果移动通信模块判断出手机未驻留在4G邻区异常的5G小区，则可以进一步结合其他条件，确定是否调整手机注册的移动通信网络。
在手机Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，如果手机处于简易模式，手机不支持VoNR，手机注册在5G SA网络下，且手机当前驻留的5G小区并非4G邻区异常的5G小区，则手机的移动通信模块可以将5G SA模式关闭，以使手机重新驻网到4G移动通信网络，进而可以在VoLTE下建立语音通话。
需要指出的是，本实施方式对S604、S605、S606以及S607的执行顺序不做限定。也即，本实施方式中S604、S605、S606以及S607的先后顺序是可以调换的。
S608,移动通信模块判断手机的NR信号强度是否低于第二阈值，若是，则执行609，若否，则执行S611。
在本实施方式中，手机的移动通信模块还可以结合手机当前的NR信号强度，判断是否调整手机注册的移动通信网络。
如果手机的NR信号强度高于第二阈值，则表明手机的NR信号较佳，Eps fallback类型的语音通信的失败率可能会比较低。此时，手机的移动通信模块可以不对手机注册的移动通信网络进行调整，流程结束。
如果手机的NR信号强度低于第二阈值，则表明手机的NR信号不佳，这样无疑会增加Eps fallback类型的语音通信的失败率。
由此，在手机的NR信号强度低于第二阈值时，移动通信模块将5G SA模式关闭，使手机重新驻网到4G移动通信网络，并在VoLTE下建立语音通话。在此种情况下通过 关闭5G SA模式调整手机的移动通信网络，相比较于NR信号较佳时通过关闭5G SA模式调整手机的移动通信网络，语音通话成功率提升得会更加明显。
其中，第二阈值是可以设置的，本实施例对第二阈值不做限定。
S609,移动通信模块关闭5G SA模式。
在手机的5G SA模式关闭后，手机则无法在5G移动通信网络中进行注册，继而可以执行在4G移动通信网络中进行注册的流程。
S610,移动通信模块判断手机是否成功驻留在4G小区，若否，则执行614，若是，则执行S611。
如果手机能够在4G移动通信网络中正常注册，则手机注册的移动通信网络由5G成功调整到4G，此时手机重新驻网到4G移动通信网络，进而手机可以在VoLTE下建立语音通话，本流程结束。
可选的，当手机可以重新驻网到4G移动通信网络时，表明手机之前驻留的5G小区存在正常的4G邻区。进而，移动通信模块可以根据该正常的4G邻区，更新异常4G小区列表，以确保记录的异常4G小区的准确性。
可选的，当手机可以重新驻网到4G移动通信网络时，表明手机之前驻留的5G小区并非4G邻区异常的5G小区。进而，移动通信模块可以根据该5G小区更新4G邻区异常的5G小区列表，以确保记录的4G邻区异常的5G小区的准确性。
S611,流程结束。
S612,移动通信模块判断5G SA模式是否关闭，若是，则执行613，若否，则执行S611。
S613,移动通信模块开启5G SA模式。
在手机的5G SA模式开启后，手机即可在5G移动通信网络中进行注册。
S614,移动通信模块标记之前驻留的5G小区为4G邻区异常的5G小区，执行S613。
在手机的5G SA模式关闭后，手机无法在5G移动通信网络中进行注册，继而在4G移动通信网络中进行注册。如果手机无法在4G移动通信网络中正常注册，则表明手机之前驻留的5G小区的相邻4G小区均为异常4G小区，也即表明手机之前驻留的5G小区为4G邻区异常的5G小区。此时，移动通信模块可以将之前驻留的5G小区标记为4G邻区异常的5G小区，并对记录的4G邻区异常的5G小区进行更新。
示例性的，移动通信模块还可以将与之前驻留的5G小区相邻的4G小区标记为异常4G小区，并对记录的异常4G小区进行更新。
这样，将4G邻区异常的5G小区或者异常4G小区进行记录，有助于移动通信模块判断是否可以通过关闭5G SA模式来达到调整手机移动通信网络的目的，也即可以为S607提供判断依据。
在手机的5G SA模式关闭后，如果手机无法在4G移动通信网络中正常注册，则需要重新开启手机的5G SA模式，以使手机重新在5G移动通信网络中进行注册，这样能够确保手机移动通信功能的正常运行。
在手机Wi-Fi信号较优情况下，当满足一定条件时，关闭手机的5G SA模式，使手机重新驻网在4G下并在VoLTE下建立语音通话。这样，不仅确保了语音通话的成功率， 也能基于Wi-Fi通信使用户具有良好的上网体验。由此，在5G SA系统建设的前期阶段，5G SA网络不是足够稳定的情况下，这样既能确保用户语音通信的成功率，又能确保用户的上网速度，实现了保通话和保上网的平衡。
在一种实现方式中，在手机的5G SA模式关闭后，如果手机成功在4G移动通信网络中完成了注册，则手机还会根据Wi-Fi状态的变化退出4G移动通信网络，并重新注册到5G移动通信网络中。这样，一旦Wi-Fi连接无法为用户提供较佳的上网体验，则手机重新注册到5G移动通信网络，而非继续驻留在4G小区，以确保用户流畅的上网体验。
如图7所示为各模块的交互示意图，参照图7，本申请实施例提供的通信方法的流程，具体包括：
S701,Wi-Fi模块检测到Wi-Fi状态发生变化。
S702,Wi-Fi模块向移动通信模块发送第一指示信息。
S703,移动通信模块判断出手机Wi-Fi可用且信号强度值高于第一阈值。
S704,移动通信模块判断出手机处于简易模式。
S705,移动通信模块判断出手机不支持VoNR。
S706,移动通信模块判断出手机注册在5G SA网络下。
S707,移动通信模块判断出手机驻留在4G邻区异常的5G小区。
本实施例对S704～S707的执行顺序不做限定。
S708,移动通信模块判断出手机NR信号强度低于第二阈值。
S709,移动通信模块关闭5G SA模式。
S710,移动通信模块确定手机成功驻留在4G小区。
S711,Wi-Fi模块检测到Wi-Fi状态发生变化。
在移动通信模块关闭5G SA模式，手机退出5G移动通信网络，并成功注册到4G移动通信网络之后，手机的Wi-Fi状态可能会发生变化，例如Wi-Fi连接状态发生变化，又例如Wi-Fi信号强度值发生变化。
S712,Wi-Fi模块向移动通信模块发送第二指示信息。
在Wi-Fi模块检测到Wi-Fi状态发生变化时，继续向移动通信模块发送指示信息，向移动通信模块告知手机当前的Wi-Fi状态，以使移动通信模块可以根据手机当前的Wi-Fi状态确定是否需要调整手机的移动通信网络。
S713,移动通信模块判断出Wi-Fi不可用或者信号强度值不高于第一阈值。
S714,移动通信模块开启5G SA模式。
一种可能的情况下，当Wi-Fi不可用时，也即当手机的Wi-Fi状态为Wi-Fi未连接时，手机的Wi-Fi模块无法为用户提供上网条件，切换为移动通信模块基于4G移动通信网络为用户提供上网条件。此时，为了确保用户具有更好的上网体验，手机还需移动通信模块开启5G SA模式，使手机重新注册到5G小区，以更高的数据速率为用户提供上网条件。
又一种可能的情况下，当Wi-Fi可用，也即手机的Wi-Fi状态为Wi-Fi已连接，但Wi-Fi信号强度不高于第一阈值时，手机的Wi-Fi模块也无法为用户提供较佳的上网条件。 此时，为了确保用户具有更好的上网体验，手机还需移动通信模块开启5G SA模式，使手机重新注册到5G小区，以更高的数据速率为用户提供上网条件。
本流程未尽详细解释之处可以前述实施例，在此不再赘述。
这样，当手机重新驻网到4G小区之后，一旦Wi-Fi通信无法为用户提供较佳的上网体验，则重新开启手机的5G SA模式，以使手机重新注册在5G移动通信网络中，确保用户流畅的上网体验。
本实施例提供了一种通信方法。该通信方法应用于电子设备(例如手机或智能穿戴设备等)中，该电子设备注册到5G SA中。如图8所示，该通信方法包括：
S801,在Wi-Fi状态变化时，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，则电子设备关闭其5G SA模式。
其中，Wi-Fi状态指的是与Wi-Fi连接相关的状态，包括但不限于：Wi-Fi连接状态和Wi-Fi信号强度值等。Wi-Fi连接状态，可以包括Wi-Fi已连接和Wi-Fi未连接。
示例性的，当Wi-Fi模块检测到电子设备的Wi-Fi状态由Wi-Fi已连接切换到Wi-Fi未连接，或者由Wi-Fi未连接切换到Wi-Fi已连接，则确定电子设备Wi-Fi状态发生变化。又示例性的，当Wi-Fi模块检测到Wi-Fi信号强度值增加或减小时，确定电子设备Wi-Fi状态发生变化。
在Wi-Fi状态发生变化时，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，则电子设备关闭其5G SA模式。在电子设备的5G SA模式关闭后，电子设备无法在5G移动通信网络中进行注册，继而可以在4G移动通信网络中进行注册。
S802,电子设备在4G移动通信网络中完成注册。
当电子设备所在的4G小区正常时，电子设备即可在4G移动通信网络中成功注册，驻留在相应的4G小区。
在电子设备重新驻网到4G移动通信网络之后，电子设备即可在VoLTE下建立语音通话，不会存在Eps fallback类型的语音通信，进而确保了语音通话的成功率。与此同时，电子设备也可以基于Wi-Fi通信使用户具有良好的上网体验。由此，在5G SA系统建设的前期阶段，5G SA网络不是足够稳定的情况下，这样既能确保用户语音通信的成功率，又能确保用户的上网速度，实现了保通话和保上网的平衡。
在一种实现方式中，如果电子设备在4G移动通信网络中注册不成功，则电子设备重新开启其5G SA模式。
在电子设备的5G SA模式关闭后，电子设备无法在5G移动通信网络中进行注册，继而在4G移动通信网络中进行注册。如果电子设备无法在4G移动通信网络中正常注册，则表明电子设备之前驻留的5G小区的相邻4G小区均为异常4G小区或无可用4G邻区，也即表明电子设备之前驻留的5G小区为4G邻区异常的5G小区。此时，电子设备重新开启其5G SA模式，以使电子设备重新在5G移动通信网络中进行注册，确保电子设备移动通信功能的正常运行。
在一种实现方式中，如果在4G移动通信网络中注册不成功，则将目标5G小区标记为4G邻区异常的5G小区；其中，目标5G小区为电子设备在关闭5G SA模式之前驻留的5G小区。
在电子设备的5G SA模式关闭后，电子设备无法在5G移动通信网络中进行注册，继而在4G移动通信网络中进行注册。如果电子设备无法在4G移动通信网络中正常注册，则表明电子设备之前驻留的5G小区的相邻4G小区均为异常4G小区，也即表明电子设备之前驻留的5G小区为4G邻区异常的5G小区。此时，电子设备可以将之前驻留的5G小区标记为4G邻区异常的5G小区，并对记录的4G邻区异常的5G小区进行更新。
在一种实现方式中，电子设备在4G移动通信网络中完成注册之后，如果Wi-Fi不可用或者Wi-Fi信号强度不高于第一阈值，则重新开启电子设备的5G SA模式。
一种可能的情况下，当Wi-Fi不可用，也即当电子设备的Wi-Fi状态为Wi-Fi未连接时，电子设备的Wi-Fi模块无法为用户提供上网条件，切换为移动通信模块基于4G移动通信网络为用户提供上网条件。此时，为了确保用户具有更好的上网体验，电子设备还需移动通信模块开启5G SA模式，使电子设备重新注册到5G小区，以更高的数据速率为用户提供上网条件。
又一种可能的情况下，当Wi-Fi可用，也即电子设备的Wi-Fi状态为Wi-Fi已连接，但Wi-Fi信号强度不高于第一阈值时，电子设备的Wi-Fi模块也无法为用户提供较佳的上网条件。此时，为了确保用户具有更好的上网体验，电子设备还需移动通信模块开启5G SA模式，使电子设备重新注册到5G小区，以更高的数据速率为用户提供上网条件。
这样，当电子设备重新驻网到4G小区之后，一旦Wi-Fi通信无法为用户提供较佳的上网体验，则重新开启电子设备的5G SA模式，以使电子设备重新注册在5G移动通信网络中，确保用户流畅的上网体验。
在一种可选的实施方式中，S801可以调整为：在Wi-Fi状态变化时，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，且满足一定的条件，则关闭所述电子设备的5G SA模式。
可选的，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，如果电子设备不支持VoNR，且电子设备当前驻留的5G小区不是4G邻区异常的5G小区，则关闭电子设备的5G SA模式。
如果电子设备支持VoNR，则电子设备可以在VoNR下建立通话。由于电子设备支持VoNR可以避免Eps fallback类型的语音通信，故电子设备的移动通信模块此时无需将5G SA模式关闭，也即无需对电子设备注册的移动通信网络进行调整。
如果电子设备当前驻留的5G小区的4G邻区异常，则电子设备无法正常在4G移动通信网络中进行注册。由此，电子设备如果判断出其当前驻留的5G SA小区是4G邻区异常的5G小区，则无法完成对电子设备注册的移动通信网络的调整，也即无法将电子设备在4G移动通信网络中完成注册。
由此，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，如果电子设备不支持VoNR， 且电子设备当前驻留的5G小区不是4G邻区异常的5G小区，则关闭电子设备的5G SA模式，以使电子设备退出5G移动通信网络。如果电子设备支持VoNR，或电子设备当前驻留的5G小区是4G邻区异常的5G小区，则不关闭电子设备的5G SA模式，也即不对电子设备的移动通信网络进行调整。
可选的，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，如果电子设备不支持VoNR，电子设备当前驻留的5G小区不是4G邻区异常的5G小区，且电子设备处于目标模式，则关闭电子设备的5G SA模式。其中，目标模式用于指示用户对电子设备注册的移动通信网络不敏感。
示例性的，目标模式可以称之为简易模式或适老模式。示例性的，在电子设备处于简易模式时，也即电子设备的简易模式开启时，表明用户对电子设备注册的移动网络不敏感或不在意等，例如表明用户对电子设备界面上是否显示电子设备当前使用5G移动通信网络不敏感。
由此，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，如果电子设备不支持VoNR，电子设备当前驻留的5G小区不是4G邻区异常的5G小区，且电子设备处于目标模式，则关闭电子设备的5G SA模式，以使电子设备退出5G移动通信网络。
可选的，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，如果电子设备不支持VoNR，电子设备当前驻留的5G小区不是4G邻区异常的5G小区，且电子设备的NR信号强度低于第二阈值，则关闭电子设备的5G SA模式。
如果电子设备的NR信号强度高于第二阈值，则表明电子设备的NR信号较佳，Eps fallback类型的语音通信的失败率可能会比较低。如果电子设备的NR信号强度低于第二阈值，则表明电子设备的NR信号不佳，无疑会增加Eps fallback类型的语音通信的失败率。
由此，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，如果电子设备不支持VoNR，电子设备当前驻留的5G小区不是4G邻区异常的5G小区，且电子设备的NR信号强度低于第二阈值，则关闭电子设备的5G SA模式，以使电子设备退出5G移动通信网络。
可选的，在Wi-Fi可用且Wi-Fi信号强度高于第一阈值时，如果电子设备不支持VoNR，电子设备当前驻留的5G小区不是4G邻区异常的5G小区，电子设备处于目标模式，且电子设备的NR信号强度低于第二阈值，则关闭电子设备的5G SA模式。其中，目标模式用于指示用户对电子设备注册的移动通信网络不敏感。
本实施例未尽详细解释之处可以参见前述实施例，在此不再赘述。
在电子设备Wi-Fi信号较优情况下，当满足一定条件时，关闭电子设备的5G SA模式，使电子设备重新驻网在4G下并在VoLTE下建立语音通话。这样，不仅确保了语音通话的成功率，也能基于Wi-Fi通信使用户具有良好的上网体验。由此，在5G SA系统建设的前期阶段，5G SA网络不是足够稳定的情况下，这样既能确保用户语音通信的成功率，又能确保用户的上网速度，实现了保通话和保上网的平衡。
本实施例还提供一种计算机存储介质，该计算机存储介质中存储有计算机指令，当该计算机指令在电子设备上运行时，使得电子设备执行上述相关方法步骤实现上述实施 例中的通信方法。
本实施例还提供了一种计算机程序产品，当该计算机程序产品在计算机上运行时，使得计算机执行上述相关步骤，以实现上述实施例中的通信方法。
另外，本申请的实施例还提供一种装置，这个装置具体可以是芯片，组件或模块，该装置可包括相连的处理器和存储器；其中，存储器用于存储计算机执行指令，当装置运行时，处理器可执行存储器存储的计算机执行指令，以使芯片执行上述各方法实施例中的通信方法。
其中，本实施例提供的电子设备(如手机等)、计算机存储介质、计算机程序产品或芯片均用于执行上文所提供的对应的方法，因此，其所能达到的有益效果可参考上文所提供的对应的方法中的有益效果，此处不再赘述。
通过以上实施方式的描述，所属领域的技术人员可以了解到，为描述的方便和简洁，仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能模块完成，即将装置的内部结构划分成不同的功能模块，以完成以上描述的全部或者部分功能。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个装置，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
以上所述，以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (17)

  1. 一种通信方法，其特征在于，应用于电子设备中，所述电子设备注册在5G独立组网SA中，包括：
    在Wi-Fi状态变化时，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，则关闭所述电子设备的5G SA模式；
    在4G移动通信网络中完成注册。
  2. 根据权利要求1所述的方法，其特征在于，所述关闭所述电子设备的5G SA模式，包括：
    如果满足一定的条件，则关闭所述电子设备的5G SA模式。
  3. 根据权利要求2所述的方法，其特征在于，所述如果满足一定的条件，则关闭所述电子设备的5G SA模式，包括：
    如果所述电子设备不支持VoNR，且所述电子设备当前驻留的5G小区不是4G邻区异常的5G小区，则关闭所述电子设备的5G SA模式。
  4. 根据权利要求3所述的方法，其特征在于，所述关闭所述电子设备的5G SA模式，包括：
    如果所述电子设备处于目标模式，则关闭所述电子设备的5G SA模式；
    其中，所述目标模式用于指示用户对所述电子设备注册的移动通信网络不敏感。
  5. 根据权利要求3或4所述的方法，其特征在于，所述关闭所述电子设备的5G SA模式，包括：
    如果所述电子设备的新空口NR信号强度低于第二阈值，则关闭所述电子设备的5G SA模式。
  6. 根据权利要求1所述的方法，其特征在于，还包括：
    如果在4G移动通信网络中注册不成功，则重新开启所述电子设备的5G SA模式。
  7. 根据权利要求6所述的方法，其特征在于，还包括：
    如果在4G移动通信网络中注册不成功，则将目标5G小区标记为4G邻区异常的5G小区；
    其中，所述目标5G小区为所述电子设备在关闭所述5G SA模式之前驻留的5G小区。
  8. 根据权利要求1所述的方法，其特征在于，在4G移动通信网络中完成注册之后，还包括：
    如果Wi-Fi不可用或者Wi-Fi信号强度不高于所述第一阈值，则重新开启所述电子设备的5G SA模式。
  9. 一种电子设备，其特征在于，所述电子设备注册在5G SA中，包括：
    一个或多个处理器；
    存储器；
    以及一个或多个计算机程序，其中所述一个或多个计算机程序存储在所述存储器上，当所述计算机程序被所述一个或多个处理器执行时，使得所述电子设备执行以下步骤：
    在Wi-Fi状态变化时，如果Wi-Fi可用且Wi-Fi信号强度高于第一阈值，则关闭所述 电子设备的5G SA模式；
    在4G移动通信网络中完成注册。
  10. 根据权利要求9所述的电子设备，其特征在于，当所述计算机程序被所述一个或多个处理器执行时，使得所述电子设备执行以下步骤：
    如果满足一定的条件，则关闭所述电子设备的5G SA模式。
  11. 根据权利要求10所述的电子设备，其特征在于，当所述计算机程序被所述一个或多个处理器执行时，使得所述电子设备执行以下步骤：
    如果所述电子设备不支持VoNR，且所述电子设备当前驻留的5G小区不是4G邻区异常的5G小区，则关闭所述电子设备的5G SA模式。
  12. 根据权利要求11所述的电子设备，其特征在于，当所述计算机程序被所述一个或多个处理器执行时，使得所述电子设备执行以下步骤：
    如果所述电子设备处于目标模式，则关闭所述电子设备的5G SA模式；
    其中，所述目标模式用于指示用户对所述电子设备注册的移动通信网络不敏感。
  13. 根据权利要求11或12所述的电子设备，其特征在于，当所述计算机程序被所述一个或多个处理器执行时，使得所述电子设备执行以下步骤：
    如果所述电子设备的新空口NR信号强度低于第二阈值，则关闭所述电子设备的5G SA模式。
  14. 根据权利要求9所述的电子设备，其特征在于，当所述计算机程序被所述一个或多个处理器执行时，使得所述电子设备还执行以下步骤：
    如果在4G移动通信网络中注册不成功，则重新开启所述电子设备的5G SA模式。
  15. 根据权利要求14所述的电子设备，其特征在于，当所述计算机程序被所述一个或多个处理器执行时，使得所述电子设备还执行以下步骤：
    如果在4G移动通信网络中注册不成功，则将目标5G小区标记为4G邻区异常的5G小区；
    其中，所述目标5G小区为所述电子设备在关闭所述5G SA模式之前驻留的5G小区。
  16. 根据权利要求9所述的电子设备，其特征在于，当所述计算机程序被所述一个或多个处理器执行时，使得所述电子设备还执行以下步骤：
    在4G移动通信网络中完成注册之后，如果Wi-Fi不可用或者Wi-Fi信号强度不高于所述第一阈值，则重新开启所述电子设备的5G SA模式。
  17. 一种计算机可读存储介质，包括计算机程序，其特征在于，当所述计算机程序在电子设备上运行时，使得所述电子设备执行如权利要求1-8中任一项所述的通信方法。
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