WO2018072402A1

WO2018072402A1 - Method and device for network switching during communications, mobile terminal, and storage medium

Info

Publication number: WO2018072402A1
Application number: PCT/CN2017/079536
Authority: WO
Inventors: 许冬艳; 梁超
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-10-19
Filing date: 2017-04-06
Publication date: 2018-04-26
Also published as: CN107969020A

Abstract

The invention relates to the technical field of communications. Disclosed are a method and device for network switching during communication, a mobile terminal, and a storage medium for solving problems in the prior art in which network switching policies result in poor communication quality and user experience. The method comprises: acquiring a signal quality parameter and a network environment parameter of current communication; and determining, according to the signal quality parameter and the network environment parameter, whether to perform network switching.

Description

Network switching method, device, mobile terminal and storage medium in communication

Cross-reference to related applications

The present application is based on a Chinese patent application filed on Jan. 19, 2016, the entire disclosure of which is hereby incorporated by reference.

Technical field

The present invention relates to the field of communications technologies, and in particular, to a network switching method and apparatus, a mobile terminal, and a storage medium in communication.

Background technique

Mobile communication infrastructure operators are commercializing IMS (IP Multimedia System)-based voice communication and video communication services, namely VoLTE (Voice over Long Term Evolution) and ViLTE (Video over). LTE, LTE video communication service). At the same time, Vowifi (Video over wireless-fidelity, wireless fidelity voice communication service) technology has also been adopted by mobile communication infrastructure operators and deployed commercially on the live network to provide voice communication services and video communication over WIFI networks. service.

VoWifi is a good extension of VoLTE. It can enhance the network coverage of communication infrastructure operators by using Vowifi technology, and can seamlessly switch between VoLTE and VoLTE to provide a better continuous user experience. Vowifi new technology can Reduce cost, reduce user's call cost, and enable mobile communication infrastructure operators to provide high-definition voice and video services without LTE indoor coverage network optimization.

Vowifi and VoLTE use the same IMS telephony client, so both VoLTE and Vowifi terminals are supported, in the edge environment of LTE and WIFI cross coverage, to ensure Continuous voice and video services can be switched between LTE network and WIFI network according to user settings.

However, the existing switching strategy simply determines whether to switch according to the signal strength, but the call quality does not depend solely on the signal strength. In some cases, although the signal strength is good, the voice and video quality are not optimal, so Switching according to existing policies may result in a drop in call quality and a reduced user experience.

Summary of the invention

In view of this, the embodiment of the present invention is to provide a network switching method, a device, a mobile terminal, and a storage medium in communication, which are used to solve the problem that the network switching policy in the prior art leads to low communication quality and poor user experience.

In one aspect, an embodiment of the present invention provides a network switching method in communication, including: acquiring a signal quality parameter and a network environment parameter of a current communication; and determining whether to perform network switching according to the signal quality parameter and the network environment parameter.

In an embodiment, the signal quality parameter includes a packet loss rate and/or a number of retransmissions.

In an embodiment, the network environment parameters include a signal strength of a current network and a signal strength of the standby network.

In an embodiment, determining whether to perform network switching according to the signal quality parameter and the network environment parameter comprises: a signal strength of the current network is lower than a preset leaving threshold, and a signal strength of the standby network If the threshold is higher than the preset threshold, the switch is switched to the standby network for communication; the signal strength of the current network is higher than the preset departure threshold, and the signal strength of the standby network is higher than the preset In the case of adding a threshold, it is determined whether to perform network switching based on the signal quality parameter.

In an embodiment, determining whether to perform network switching according to the signal quality parameter includes: determining whether the signal quality parameter is higher than a preset quality threshold; and the signal quality parameter is higher than the preset quality threshold. In the case, switching to the standby network for communication.

In an embodiment, the current network is an LTE network, and the standby network is a WIFI network; or the current network is a WIFI network, and the standby network is an LTE network.

On the other hand, the embodiment of the present invention further provides a network switching device in communication, comprising: an acquiring unit configured to acquire a signal quality parameter and a network environment parameter of a current communication; and a determining unit configured to be acquired according to the acquiring unit Signal quality parameters and network environment parameters determine whether to perform network switching.

In an embodiment, the determining unit includes: a switching module, configured to: when the signal strength of the current network is lower than a preset leaving threshold, and the signal strength of the standby network is higher than a preset joining threshold, Switching to the standby network for communication; the determining module is configured to: when the signal strength of the current network is higher than the preset leaving threshold, and the signal strength of the standby network is higher than the preset joining threshold Determining whether to perform network switching according to the signal quality parameter.

In an embodiment, the determining module is configured to: determine whether the signal quality parameter is higher than a preset quality threshold; and if the signal quality parameter is higher than the preset quality threshold, switch to the The standby network communicates.

In an embodiment, the current network is any one of an LTE network or a WIFI network, and the standby network is another.

On the other hand, the embodiment of the present invention further provides a mobile terminal, including any network switching device in communication provided by the embodiment of the present invention.

The embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program configured to perform the network switching method in the communication according to the embodiment of the present invention.

The network switching method and device, the mobile terminal, and the storage medium in the communication provided by the embodiment of the present invention can acquire the signal quality parameter and the network environment parameter of the current communication, and determine whether to perform according to the signal quality parameter and the network environment parameter. Network switching. In this way, the signal quality can also be used as a reference condition for network switching. When the quality of the communication signal is not good, the network jumps to other networks for communication, thereby ensuring better communication quality and effectively improving the user experience.

DRAWINGS

1 is a schematic flowchart 1 of a network switching method in communication according to an embodiment of the present invention;

2 is a second schematic flowchart of a network switching method in communication according to an embodiment of the present invention;

3 is a schematic flowchart 3 of a network switching method in communication according to an embodiment of the present invention;

4 is a schematic flowchart 4 of a network switching method in communication according to an embodiment of the present invention;

5 is a schematic flowchart 5 of a network switching method in communication according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a network switching apparatus in communication according to an embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in FIG. 1 , an embodiment of the present invention provides a network switching method in communication, including:

S11. Acquire a signal quality parameter and a network environment parameter of the current communication.

S12. Determine whether to perform network switching according to the signal quality parameter and the network environment parameter.

The network switching method in the communication provided by the embodiment of the present invention is capable of acquiring a signal quality parameter and a network environment parameter of the current communication, and determining whether to perform network switching according to the signal quality parameter and the network environment parameter. In this way, the signal quality can also be used as a reference condition for network switching. When the quality of the communication signal is not good, the network jumps to other networks for communication, thereby ensuring better communication quality and effectively improving the user experience.

In an embodiment, the signal quality parameter obtained in step S11 may be a parameter indicating signal quality in multiple communication modes such as current call and video, and may include, for example, a packet loss rate and/or a number of retransmissions.

For example, in an embodiment of the present invention, the user terminal establishes a Vowifi voice call on the WIFI. After the call is successfully established, the user terminal measures the Received Signal Strength Indication (RSSI) in real time and uses the received signal strength indication (Received Signal Strength Indication). RTP (Real-time Transport Protocol) and RTCP (RTP Control Protocol) calculate the packet loss rate of RTP packets. In another embodiment of the present invention, the user terminal establishes a VoLTE call on the LTE. After the call is successfully established, the user terminal measures the LTE signal strength RSRP (Reference Signal Receiving Power) and the WIFI signal in real time. Intensity RSSI; using RTP and RTCP to measure the packet loss rate of RTP packets.

In an embodiment, in step S11, the acquired network environment parameters may include the signal strength of the current network and the signal strength of the standby network. When the signal quality or signal strength of the current network does not meet the preset condition, it can be switched to the standby network that satisfies the condition to continue communication. In an embodiment, the current network may be any of an LTE network or a wifi network, and the backup network is another.

After obtaining the corresponding network environment parameter and the signal quality parameter, determining whether to perform network switching according to the signal quality parameter and the network environment parameter may be performed in step S12, which may include:

Switching to the standby network for communication if the signal strength of the current network is lower than a preset leaving threshold and the signal strength of the standby network is higher than a preset joining threshold;

If the signal strength of the current network is higher than the preset leaving threshold, and the signal strength of the standby network is higher than the preset joining threshold, determining whether to perform network switching according to the signal quality parameter.

In an embodiment, the preset leaving threshold and the preset joining threshold may be signal strength values preset according to network characteristics and communication requirements. When the signal strength of the current network is lower than the preset departure threshold, it indicates that the signal of the current network is insufficient to provide the corresponding communication service, and should try to jump to the corresponding backup network to continue communication. Correspondingly, when the signal strength of the standby network is higher than the preset joining threshold, the signal of the standby network can provide a corresponding communication service, and can accept the joining of the user terminal.

It should be noted that different network or communication requirements may correspond to different leaving thresholds and joining thresholds, and the leaving threshold and the joining threshold may be equal or different, which is not limited by the embodiment of the present invention. For example, in an embodiment of the present invention, for a wifi network, the preset departure threshold may be set to -85 dBm, and the preset addition threshold may be set to -75 dBm. For the LTE network, the preset departure threshold may be added and added. The threshold is set to -105dBm. Of course, in other embodiments of the present invention, other values may be set, which is not limited by the embodiment of the present invention.

In this embodiment, determining the network switching by using the signal quality parameter together with the network environment parameter may be divided into two cases: if the current network signal strength is lower than a preset leaving threshold, and the signal strength of the standby network is higher than the preset. If the threshold is added, the signal is switched to the standby network to continue communication regardless of the signal quality parameter of the current network. If the signal strength of the current network is greater than or equal to the preset departure threshold, the signal strength of the standby network is higher than the preset join. The threshold needs to further determine whether to switch to the standby network to continue communication according to the signal quality parameter of the current network.

In an embodiment, determining whether to perform network switching according to the signal quality parameter may include:

Determining whether the signal quality parameter is higher than a preset quality threshold;

And if the signal quality parameter is higher than the preset quality threshold, switching to the standby network for communication.

It should be noted that, in the embodiment of the present invention, the signal quality parameter is measured by the packet loss rate or the number of retransmissions, and the packet loss rate and the number of retransmission times are smaller, indicating that the signal quality is better, the packet loss rate and The more the number of retransmissions, the worse the signal quality. Therefore, when the signal quality parameter is higher than the preset preset quality threshold, the signal quality is poor and needs to jump to the standby network communication. Of course, in other embodiments of the present invention, other parameters may also be employed to characterize the signal quality, which is not limited by embodiments of the present invention.

It should be noted that, in the foregoing embodiment, the user terminal needs to support the Volte and Vowifi functions at the same time to perform corresponding network switching. The user can select the WIFI call priority or the LTE network call priority to enable the user terminal to select which network to use first. Further, the user can also configure the call quality level, such as HD, normal, and the like.

In an embodiment, when the user sets the priority to use the WIFI to make a VowifiE call; the user terminal establishes a Vowifi voice call on the WIFI, and after the call is successfully established, the user terminal measures the WIFI signal strength RSSI in real time; and simultaneously uses the RTP and RTCP to calculate the RTP data. Packet loss rate. In an embodiment, according to the quality of the call configured by the user, the user terminal obtains a packet loss rate, for example, the voice quality is set to HD, and the RTP packet loss rate is less than 0.5%; the voice quality is set to normal, then the RTP is lost. The packet rate should be between 1% and 0.5%.

When the user terminal (such as a mobile phone) measures that the RSSI value of the WiFi is lower than a preset value (for example, -85 dBm), then the user terminal needs to initiate an LTE access procedure, perform IMS registration on the LTE network, and switch the bearer from WIFI to LTE. To ensure the continuity of the call.

When the RSSI value of the WiFi is not lower than the preset value (such as -85dBm), but the packet loss rate of the voice service is higher than the preset value, if the LTE meets the access requirement, the terminal can trigger the WIFI to LTE handover. Process;

When the RSSI value of the WiFi is not lower than the preset value (such as -85dBm), but the packet loss rate of the voice service is already higher than the preset value, if the LTE does not meet the access requirement, the terminal needs to stay on the WIFI. At this time, if the voice quality level set by the user is high-definition, then the user needs to be prompted (interface prompt or voice prompt tone, etc.), such as "cannot switch to the LTE network, in order to ensure the quality of the high-definition call, please move to the area with good WIFI signal" To provide users with better voice services and A better user experience.

In an embodiment, when the user sets the priority to use LTE for VoLTE, the user terminal establishes a VoLTE call on the LTE. After the call is successfully established, the user terminal measures the signal strength RSRP and the WIFI signal strength RSSI of the LTE in real time; RTCP statistics the packet loss rate of RTP packets.

When the user terminal measures that the RSRP value of the LTE is lower than a preset value (for example, -105 dBm), and the WIFI signal is higher than a preset value (for example, -75 dBm), then the WIFI access process needs to be initiated, and the IMS registration is performed on the WIFI network. The bearer is switched from LTE to WIFI, ensuring that the user always makes a call based on the IMS.

When the RSRP value of the LTE is not lower than the preset value (for example, -105 dBm), but the packet loss rate of the voice service is higher than the preset value, if the WIFI meets the access requirement, the terminal can trigger the handover from LTE to WIFI. Process;

When the RSRP value of the LTE is not lower than the preset value (for example, -105 dBm), the packet loss rate of the voice service is higher than the preset value. If the WIFI does not meet the access requirement, the terminal cannot switch to the WIFI network. At this time, if the voice quality level set by the user is high-definition, then the user needs to be prompted (interface prompt or voice prompt tone, etc.), such as "the call is not effective, and the voice can not be connected to Vowifi, please move the signal better area", Provide users with better voice services and a better user experience.

The network switching method in communication provided by the present invention will be described in detail below by way of embodiments.

FIG. 2 is a flowchart of a network switching method for weakly switching a Vowifi to VoLTE according to an embodiment of the present invention, including the following steps:

201. The user terminal A supports VoLTE and Vowifi at the same time, and sets a priority to use the WIFI network for voice call and video call service;

202. The user A terminal establishes a Vowifi voice call with the user B terminal by using the WIFI network.

203. The user A terminal starts measuring the LTE signal strength RSRP and the WIFI signal strength in real time. RSSI, synchronously detecting the RTP packet loss rate of the user A terminal under the WIFI network;

204, whether the RSSI value of the WiFi is lower than a preset value of -85 dBm; if yes, execute 205; if not, execute 207;

205. The mobile phone initiates an IMS access process of the LTE, and the IMS bearer is switched from the WIFI to the LTE.

206. The IMS is successfully registered on the LTE, the Vowifi is successfully switched to the VoLTE, and the user A and the user B continue to talk on the LTE network;

207. Continue to monitor the signal strength RSSI and RTP packet loss rate.

FIG. 3 is a flowchart of a method for switching a network that causes Vowifi to switch to VoLTE with a high RTP packet loss rate according to an embodiment of the present invention, which may include:

301. User terminal A supports VoLTE and Vowifi at the same time, and sets a priority to use a WIFI network for voice call service;

302. The user A terminal establishes a Vowifi voice call with the user B terminal by using the WIFI network.

303. The user A terminal starts to measure the LTE signal strength RSRP and the WIFI signal strength RSSI in real time, and synchronously detects the RTP packet loss rate of the user A terminal in the WIFI network.

304, when the user A terminal measures that the RSSI value of the WIFI is not lower than the preset value, determining whether the packet loss rate of the voice service is higher than a preset value; if yes, executing 305, if not, executing 308;

305, determining whether the LTE signal meets the access condition, and if so, executing 306, if not, executing 309;

306. The mobile phone needs to initiate an IMS access procedure of the LTE, and the IMS bearer is switched from the WIFI to the LTE.

307. The IMS is successfully registered on the LTE, and the Vowifi is successfully switched to the VoLTE. The user A and the user B continue to talk on the LTE network.

308. Keep the current Vowifi call;

309. Keep the current Vowifi call.

FIG. 4 is a diagram of a network in which the LTE signal is weak and the VoLTE is switched to the Vowifi according to the embodiment of the present invention. Network switching flowchart, including:

401. The user terminal A supports VoLTE and Vowifi at the same time, and sets a priority to use the LTE network for voice call and video call service;

402. The user A terminal establishes a VoLTE voice call with the user B terminal by using the LTE network.

403. The user A terminal starts to measure the LTE signal strength RSRP and the WIFI signal strength RSSI in real time, and synchronously detects the RTP packet loss rate of the user A terminal in the LTE network.

404, determining whether the user A terminal measures whether the RSRP value of the LTE is lower than a preset value, if yes, executing 405, if not, executing 408;

405, determining whether the wifi signal meets the access condition, and if so, executing 406, if not, executing 409;

406. The mobile phone needs to initiate an IMS access process of the LTE, and the IMS bearer is switched from the LTE to the WIFI.

407, IMS is successfully registered on wifi, VoLTE successfully switches to Vowifi, and user A and user B continue to talk on the wifi network;

408. Continue to monitor signal strength and RTP packet loss rate;

409. Maintain the current VoLTE call.

FIG. 5 is a flowchart of network switching of a VoLTE handover to Vowifi caused by a high RTP packet loss rate according to an embodiment of the present invention, including:

501. The user terminal A supports VoLTE and Vowifi at the same time, and sets a priority to use the LTE network for voice call service;

502. The user A terminal establishes a VoLTE voice call with the user B terminal by using the LTE network.

503. The user A terminal starts to measure the LTE signal strength RSRP and the WIFI signal strength RSSI in real time, and synchronously detects the RTP packet loss rate of the user A terminal in the LTE network.

504. When the user A terminal measures that the RSRP value of the LTE is lower than a preset value (for example, -85 dBm), determine whether the voice packet loss rate is higher than a preset value. If yes, perform step 505; otherwise, execute Step 508;

505, determining whether the wifi signal meets the access condition, and if so, executing 506, if not, executing 509;

506. The mobile phone initiates an IMS access procedure of the LTE, and the IMS bearer is switched from the LTE to the WIFI.

507, IMS is successfully registered on wifi, VoLTE successfully switches to Vowifi, and user A and user B continue to talk on the wifi network;

508. Continue to monitor signal strength and RTP packet loss rate, and maintain the current VoLTE call;

509. Maintain the current VoLTE call.

Correspondingly, as shown in FIG. 6, the embodiment of the present invention further provides a network switching apparatus in communication, including:

The obtaining unit 61 is configured to acquire a signal quality parameter and a network environment parameter of the current communication;

The determining unit 62 is configured to determine whether to perform network switching according to the signal quality parameter and the network environment parameter acquired by the acquiring unit.

The network switching device in the communication provided by the embodiment of the present invention, the acquiring unit 61 is capable of acquiring the signal quality parameter and the network environment parameter of the current communication, and the determining unit 62 is capable of determining whether to perform network switching according to the signal quality parameter and the network environment parameter. . In this way, the signal quality can also be used as a reference condition for network switching. When the quality of the communication signal is not good, the network jumps to other networks for communication, thereby ensuring better communication quality and effectively improving the user experience.

In an embodiment, the determining unit includes: a switching module, configured to: when the signal strength of the current network is lower than a preset leaving threshold, and the signal strength of the standby network is higher than a preset joining threshold, Switching to the standby network for communication; the determining module is configured to: the signal strength of the current network is higher than the preset leaving threshold, and the signal of the standby network is strong If the degree is higher than the preset joining threshold, it is determined whether to perform network switching according to the signal quality parameter.

In an embodiment, the determining module is further configured to: determine whether the signal quality parameter is higher than a preset quality threshold; and if the signal quality parameter is higher than the preset quality threshold, switch to the The backup network communicates.

Correspondingly, the present invention further provides a mobile terminal, which includes any network switching device in communication provided by the foregoing embodiments, and thus can achieve corresponding technical effects. The foregoing has been described in detail, and is not described herein again. .

Each module proposed in the embodiment of the present invention may be implemented by a processor, and may also be implemented by a specific logic circuit. In practical applications, the processor may be a CPU (Central Processing Unit), an MPU (Microprocessor). Uint, microprocessor) or FPGA (Field Programmable Gate Array).

In the embodiment of the present invention, if the network switching method in the above communication is implemented in the form of a software function module and sold or used as a separate product, it may also be stored in a computer readable storage medium. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions. A computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention. The foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM (Read Only Memory), a magnetic disk, or an optical disk. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.

Correspondingly, an embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program for performing the foregoing communication according to an embodiment of the present invention. The network switching method.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

It is to be understood that the term "comprises", "comprising", or any other variants thereof, is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes those elements. It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, article, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

Industrial applicability

The embodiment of the present invention obtains a signal quality parameter and a network environment parameter of the current communication, and determines whether to perform network switching according to the signal quality parameter and the network environment parameter. In this way, the signal quality can also be used as a reference condition for network switching. When the quality of the communication signal is not good, the network jumps to other networks for communication, thereby ensuring better communication quality and effectively improving the user experience.

Claims

A network switching method in communication, comprising:

Obtaining signal quality parameters and network environment parameters of the current communication;

Determining whether to perform network switching according to the signal quality parameter and the network environment parameter.
The method of claim 1 wherein said signal quality parameter comprises a packet loss rate and/or a number of retransmissions.
The method of claim 1 or 2, wherein the network environment parameters comprise a signal strength of a current network and a signal strength of a backup network.
The method of claim 3, wherein the determining whether to perform network switching according to the signal quality parameter and the network environment parameter comprises:

Switching to the standby network for communication if the signal strength of the current network is lower than a preset leaving threshold and the signal strength of the standby network is higher than a preset joining threshold;

If the signal strength of the current network is higher than the preset leaving threshold, and the signal strength of the standby network is higher than the preset joining threshold, determining whether to perform network switching according to the signal quality parameter.
The method of claim 4, wherein the determining whether to perform network switching according to the signal quality parameter comprises:

Determining whether the signal quality parameter is higher than a preset quality threshold;

And if the signal quality parameter is higher than the preset quality threshold, switching to the standby network for communication.
The method according to claim 3, wherein the current network is a long term evolution LTE network, and the standby network is a wireless fidelity WIFI network; or the current network is a WIFI network, and the standby network is an LTE network.
A network switching device in communication, comprising:

An acquiring unit configured to acquire a signal quality parameter and a network environment parameter of the current communication;

And a determining unit, configured to determine whether to perform network switching according to the signal quality parameter and the network environment parameter acquired by the acquiring unit.
The apparatus of claim 7, wherein the signal quality parameter comprises a packet loss rate and/or a number of retransmissions.
The apparatus of claim 7 or 8, wherein the network environment parameters comprise a signal strength of a current network and a signal strength of a backup network.
The apparatus of claim 9, wherein the determining unit comprises:

The switching module is configured to switch to the standby network for communication if the signal strength of the current network is lower than a preset leaving threshold and the signal strength of the standby network is higher than a preset joining threshold;

a determining module, configured to determine, according to the signal quality parameter, that the signal strength of the current network is higher than the preset leaving threshold, and the signal strength of the standby network is higher than the preset joining threshold Perform network switching.
The apparatus according to claim 10, wherein the determining module is further configured to:

Determining whether the signal quality parameter is higher than a preset quality threshold;

And if the signal quality parameter is higher than the preset quality threshold, switching to the standby network for communication.
The device according to claim 9, wherein the current network is a long term evolution LTE network, and the standby network is a wireless fidelity WIFI network; or the current network is a WIFI network, and the standby network is an LTE network.
A mobile terminal comprising the network switching device in communication according to any one of claims 7 to 12.
A computer storage medium having stored therein computer executable instructions for performing the network switching method in communication according to any one of claims 1 to 6.