WO2020010637A1

WO2020010637A1 - Wireless communication method and apparatus

Info

Publication number: WO2020010637A1
Application number: PCT/CN2018/095711
Authority: WO
Inventors: 卢哲军; 刘珺; 孙兵
Original assignee: 华为技术有限公司
Priority date: 2018-07-13
Filing date: 2018-07-13
Publication date: 2020-01-16
Also published as: CN111801964B; CN111801964A

Abstract

The present application relates to the technical field of communications, and provides a wireless communication method and apparatus used for improving the quality of a voice service, so as to improve user experience. The method is applied in a terminal or a chip built in the terminal. The method comprises: determining that the terminal runs a VoLTE service in the cell of a first communication system; and enabling an optimization characteristic for the VoLTE service, wherein the optimization characteristic for the VoLTE service is used for reducing a probability that the terminal establishes a wireless connection with the cell of a second communication system, and the wireless access technique of the second communication system is different from that of the first communication system.

Description

Wireless communication method and device

Technical field

The present application relates to the field of communication technologies, and in particular, to a wireless communication method and device.

Background technique

Voice over LTE (VoLTE) services based on long term evolution (LTE) networks are voice solutions that use LTE networks as service access and IP multimedia subsystem (IMS) networks to implement service control. VoLTE does not require a 2G / 3G network, and all services are carried on a 4G network. It can unify data services and voice services under the same network. Compared with voice services under 2G / 3G networks, it can greatly improve voice quality and reduce access time. Delay and call drop rate.

At present, when the terminal is in the VoLTE service, if the terminal's cell has a link failure, physical cell identity (PCI) confusion or collision, poor cell signal quality, or the terminal is at the edge of the cell, etc. , The terminal will continuously measure the signal quality of neighboring cells in different systems, and report the signal quality of the neighboring cells to the network side through the measurement report, and the network side selects one for the terminal based on the signal quality of the neighboring cell in the measurement report. A suitable cell, and move the terminal to a selected cell, for example, the network side moves the terminal to a cell under a 2G / 3G network with a better signal quality to ensure continuity of voice services and thus user experience.

Summary of the invention

Embodiments of the present application provide a wireless communication method and device, which are used to improve the service quality of a voice service to improve user experience.

To achieve the above purpose, the embodiments of the present application adopt the following technical solutions:

According to a first aspect, a wireless communication method is provided. The method is applied to a terminal or a chip built in the terminal. The method includes: determining that the terminal runs a VoLTE service in a cell of a first communication system (for example, an LTE communication system), for example, A signaling connection for VoLTE services is established between the terminal and a cell of the first communication system, or the above-mentioned signaling connection and voice data transmission are simultaneously present; optimization characteristics for VoLTE services are enabled; among them, optimization characteristics for VoLTE services For reducing the probability that the terminal establishes a wireless connection with a cell of a second communication system (for example, a 2G / 3G communication system), the radio access technology of the second communication system is different from the radio access technology of the first communication system.

In the above technical solution, when it is determined that the terminal runs a VoLTE service in a cell of the first communication system, by enabling optimization characteristics for the VoLTE service, the probability of establishing a wireless connection between the terminal and the cell of the second communication system is reduced, so that the The terminal maintains a wireless connection with the cell of the first communication system, thereby continuing to run the VoLTE service. Compared with the prior art, which guarantees continuity of voice services by switching to a cell of a different system, the above technical solution reduces the probability of interruption of VoLTE services by reducing the probability of switching to a cell of a different system. Because the voice quality and call drop rate of VoLTE services are often much better than those of the second communication system (for example, 2G / 3G communication system), even if the cell quality of the first communication system may not be optimal, As long as the quality of the cell can continue to run the VoLTE service, the user experience can also be improved as a whole.

In a possible implementation manner of the first aspect, before enabling optimization features for VoLTE services, the method further includes: determining enabling optimization features for VoLTE services, that is, determining whether to enable optimization features for VoLTE services, When the judgment result is YES, the optimization feature for the VoLTE service is enabled. In the foregoing possible implementation manner, judging whether to enable the optimization feature for the VoLTE service can enable the terminal to enable the optimization feature for the VoLTE service in a specific scenario (for example, a high-speed rail scenario) to improve the voice service in a specific scenario. Quality of business.

In a possible implementation manner of the first aspect, determining a necessary condition for enabling an optimization characteristic for a VoLTE service includes: determining that the terminal is in a high-speed rail scene. In the foregoing possible implementation manner, the service quality of the voice service in a high-speed rail scenario is improved.

In a possible implementation manner of the first aspect, determining that the terminal is in a high-speed rail scene includes: detecting a high-speed rail identifier indicated by a cell of the first communication system.

In a possible implementation manner of the first aspect, determining that the terminal is in a high-speed rail scene includes: detecting that a moving speed of the terminal is greater than or equal to a specified speed.

Among the above two possible implementation manners, two different determination manners are provided when determining that the terminal is in a high-speed rail scene, and the operation is simple and easy to detect.

In a possible implementation manner of the first aspect, enabling optimization characteristics for the VoLTE service includes: receiving a redirect message from a cell of the first communication system, and the redirect message is used to instruct the terminal to release communication with the first The wireless connection of the cell of the system and establishment of the wireless connection with the cell of the second communication system; enabling the terminal to ignore the redirect message to maintain the wireless connection with the cell of the first communication system. In the foregoing possible implementation manner, when the terminal receives the redirection message, by enabling the terminal to ignore the redirection message to maintain a wireless connection with the cell of the first communication system, it is possible to avoid the terminal caused by the redirection. The VoLTE service is interrupted or dropped, thereby improving the service quality of the voice service.

In a possible implementation manner of the first aspect, the method further includes: modifying a measurement report so that a signal quality of a cell that causes the cell of the first communication system to trigger the terminal redirection is not the best signal in the measurement report quality. In the foregoing possible implementation manner, by modifying the measurement report, the terminal can prevent the terminal from receiving subsequent redirection messages, thereby maintaining the wireless connection between the terminal and the cell of the first communication system, and ensuring the service quality of the VoLTE service.

In a possible implementation manner of the first aspect, enabling optimization characteristics for VoLTE services includes: receiving a measurement configuration message from a cell of a first communication system, and the measurement configuration message is used to indicate that the terminal is in a second communication system Report the measurement report when the quality of the cell is better than a predetermined threshold; enable the terminal to report when the quality of the cell in the second communication system is better than the second threshold and the quality of the cell in the first communication system is worse than the first threshold measurement report. In the foregoing possible implementation manner, when the terminal receives a measurement configuration message, by enabling a condition for reporting a measurement report, a probability that a cell in the first communication system switches the terminal to a cell in the second communication system can be reduced, and a handover due to handover is avoided. As a result, the VoLTE service is dropped or interrupted, thereby maintaining the wireless connection between the terminal and the cell of the first communication system, and ensuring the service quality of the VoLTE service.

According to a second aspect, a wireless communication device is provided. The device is a terminal or a chip for the terminal. The device includes: a determining unit for determining that the terminal runs a VoLTE service in a cell of a first communication system; an enabling unit, It is used to enable the optimization feature for VoLTE service; wherein the optimization feature for VoLTE service is used to reduce the probability that the terminal establishes a wireless connection with the cell of the second communication system, and the radio access technology of the second communication system is different from the first Wireless access technology for communication systems.

In a possible implementation manner of the second aspect, the determining unit is further configured to determine whether to enable an optimization characteristic for a VoLTE service.

In a possible implementation manner of the second aspect, the determining unit is configured to determine a necessary condition for enabling an optimization characteristic for a VoLTE service, including: determining that the terminal is in a high-speed rail scene.

In a possible implementation manner of the second aspect, the determining unit is further configured to detect a high-speed rail identifier indicated by a cell of the first communication system.

In a possible implementation manner of the second aspect, the determining unit is further configured to detect that a moving speed of the terminal is greater than or equal to a specified speed.

In a possible implementation manner of the second aspect, the apparatus further includes: a receiving unit, configured to receive a redirect message from a cell of the first communication system, and the redirect message is used to instruct the terminal to release the communication with the first communication system. The wireless connection of the cell of the second communication system, and establish a wireless connection with the cell of the second communication system; the enabling unit is further configured to enable the terminal to ignore the redirect message to maintain the wireless connection with the cell of the first communication system.

In a possible implementation manner of the second aspect, the enabling unit is further configured to modify the measurement report so that a signal quality of a cell that causes the cell of the first communication system to trigger the terminal redirection is not the best in the measurement report. Signal quality.

In a possible implementation manner of the second aspect, the apparatus further includes: a receiving unit, configured to receive a measurement configuration message from a cell of the first communication system, and the measurement configuration message is used to indicate that the terminal is in the second communication system. When the cell quality is better than a predetermined threshold, a measurement report is reported; the enabling unit is also used to enable the terminal to have a cell quality better than the second threshold in the second communication system, and the cell quality of the first communication system is worse than the first When a threshold is reached, the measurement report is reported.

According to a third aspect, a wireless communication device is provided. The device is a terminal or a chip for the terminal. The device includes a processor and a memory connected to the processor. The memory is used to store program code. When the program code is processed, When the transmitter is executed, the wireless communication device executes the following steps: determining that the terminal runs a VoLTE service in a cell of the first communication system; enabling optimization characteristics for the VoLTE service; wherein the optimization characteristics for the VoLTE service are used to reduce the terminal and the The probability that a cell of the second communication system establishes a wireless connection. The radio access technology of the second communication system is different from the radio access technology of the first communication system.

In a possible implementation manner of the third aspect, the wireless communication device further performs the following steps: determining to enable optimization characteristics for the VoLTE service.

In a possible implementation manner of the third aspect, performing, by the wireless communication device, determining a necessary condition for enabling an optimization characteristic for a VoLTE service includes: determining that the terminal is in a high-speed rail scene.

In a possible implementation manner of the third aspect, the wireless communication apparatus further performs the following step: detecting a high-speed rail identifier indicated by a cell of the first communication system.

In a possible implementation manner of the third aspect, the wireless communication device further performs the following step: detecting that the moving speed of the terminal is greater than or equal to a specified speed.

In a possible implementation manner of the third aspect, the wireless communication apparatus further performs the following steps: receiving a redirect message from a cell of the first communication system, and the redirect message is used to instruct the terminal to release the cell with the first communication system And establish a wireless connection with the cell of the second communication system; enable the terminal to ignore the redirect message to maintain the wireless connection with the cell of the first communication system.

In a possible implementation manner of the third aspect, the wireless communication device further performs the following steps: modifying the measurement report so that the signal quality of the cell that caused the cell of the first communication system to trigger the terminal redirection is not the best in the measurement report Signal quality.

In a possible implementation manner of the third aspect, the wireless communication apparatus further performs the following steps: receiving a measurement configuration message from a cell of the first communication system, and the measurement configuration message is used to indicate that the terminal is in a cell of the second communication system. When the quality is better than a predetermined threshold, a measurement report is reported; when the quality of the cell in the second communication system that enables the terminal is better than the second threshold and the quality of the cell in the first communication system is worse than the first threshold, a measurement report is reported.

According to a fourth aspect, a readable storage medium is provided, where the readable storage medium stores instructions, and when the readable storage medium is run on a device, the device is caused to execute the first aspect or any of the first aspect A possible implementation of the wireless communication method provided.

According to a fifth aspect, a computer program product is provided, and when the computer program product runs on a computer, the computer is caused to execute the wireless communication method provided by the first aspect or any possible implementation manner of the first aspect.

Understandably, the apparatus, computer storage medium, or computer program product of any of the wireless communication methods provided above is used to execute the corresponding method provided above. Therefore, for the beneficial effects that can be achieved, refer to the above. The beneficial effects in the corresponding corresponding methods provided are not repeated here.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present application; FIG.

2 is a schematic structural diagram of a communication system according to an embodiment of the present application;

3 is a schematic structural diagram of a terminal according to an embodiment of the present application;

FIG. 4 is a first schematic flowchart of a wireless communication method according to an embodiment of the present application; FIG.

5 is a schematic flowchart of a wireless communication method;

FIG. 6 is a schematic diagram of enabling optimization characteristics for a VoLTE service according to an embodiment of the present application; FIG.

7 is a second schematic flowchart of a wireless communication method according to an embodiment of the present application;

8 is a first schematic structural diagram of a wireless communication device according to an embodiment of the present application;

FIG. 9 is a second schematic structural diagram of a wireless communication device according to an embodiment of the present application.

detailed description

The network architecture and service scenarios described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. Those skilled in the art can know that with the network The evolution of the architecture and the emergence of new business scenarios. The technical solutions provided in the embodiments of the present application are also applicable to similar technical issues.

As shown in FIG. 1, a terminal accesses an IP multimedia subsystem (IMS) network through a radio access network (RAT) and a core network (CN). The technology described in this application can be applied to a long term evolution (LTE) system. The LTE system can include the use of code division multiple access, frequency division multiple access, time division multiple access, orthogonal frequency division multiple access, and single carrier frequency division multiple. Address and other technologies. In addition, it can also be applied to subsequent evolution systems based on the LTE system, such as the fifth generation (5G) communication system, and future communication systems. For clarity, only the LTE system is used as an example for description. In the LTE system, an evolved UMTS terrestrial radio access network (E-UTRAN) is used as a radio access network, and an evolved packet core network (evolved packet core (EPC)) is used as a core network. The terminal accesses the IMS network through E-UTRAN and EPC.

In this application, the terms "network" and "system" may be used interchangeably, but those skilled in the art can understand the meaning. The terminals involved in this application may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem, and various forms of user equipment (user equipment, UE ), Mobile station (MS), terminal equipment (terminal), and so on. For convenience of description, the devices mentioned above are collectively referred to as terminals in this application. A base station (BS) involved in the present invention is a device deployed in a wireless access network to provide a terminal with a wireless communication function. The base station may include various forms of macro base stations, micro base stations, relay stations, access points, and so on. In systems using different wireless access technologies, the names of devices with base station functions may be different. For example, in LTE networks, they are called evolved NodeB (eNB / eNodeB). In 3G networks, it is called Node B and so on. For convenience of description, in the present application, the above-mentioned devices that provide wireless communication functions for terminals are collectively referred to as base stations.

The VoLTE (voice over LTE) service is a voice service provided in the LTE network based on the IMS network. Voice data is transmitted through IP data packets. All services are carried on the LTE network, which can realize data and voice services in the same network. transmission.

FIG. 2 shows a schematic diagram of a VoLTE network architecture according to an embodiment of the present application, which mainly includes an IMS network, a core network EPC, an access network, and a terminal. The IMS network serves as the service control layer system and the EPC serves as the bearer layer. With the help of the IMS system, it can not only implement functions such as voice call control, but also reasonably and flexibly charge multimedia sessions.

The IMS network mainly includes a call session control function (CSCF), an application server (AS), and a session border controller (SBC). The IMS network and the EPC network can provide voice services and supplementary services similar to the circuit switched domain (CS) of the 2 / 3G network, such as number display, call forwarding, call waiting, conference calls, and so on. Among them, CSCF is the core of the entire IMS network. It is mainly responsible for processing signaling control during multimedia call sessions. CSCF can be responsible for managing user authentication of the IMS network, IMS bearer plane QoS, and control of SIP sessions with other network entities. As well as business negotiation and resource allocation. SBC is used to protect VoLTE security through NAT traversal.

The EPC mainly includes a mobility management entity (mobility management entity), a serving gateway (SGW), a packet data gateway (packet data network gateway, PGW), a policy and charging rules function unit (policy and charging rules function), PCRF) and home subscriber server (HSS). The access network mainly includes a base station. The terminal accesses the IMS network through a base station and a network element in the EPC. Among them, the MME is the core of the EPC, and is mainly responsible for non-access layer signaling grooming, encryption and integrity protection, and termination of user signaling. Manage the mobility of 3GPP users in the network, including user access control, authentication, data encryption, service bearer control, paging, handover control and other control signaling processing. As an anchor point when switching between local base stations, the SGW is mainly responsible for transmitting, forwarding, and routing data information between the base station and the PGW, providing a buffer for downlink data packets, and implementing user-based charging. PGW is the anchor point of data bearer, which is mainly responsible for data packet forwarding, analysis, legal interception, service-based charging, and service QoS control. The PCRF is mainly used to make decisions based on the service information used by the user and the policy information signed by the user, determine the user's service usage and charging policy, and deliver it to the policy execution entity in the gateway. The HSS is used to store user subscription information. The stored information includes user identification information, user security control information, user location information, and user policy control information.

FIG. 3 is a schematic structural diagram of a terminal according to an embodiment of the present application. The terminal may be a mobile phone, a tablet computer, a wearable device, or a terminal device. The embodiment of the present application uses the terminal as a mobile phone as an example for description. The terminal includes: a memory 301, a processor 302, a sensor component 303, a multimedia component 304, a power supply component 305, and an input / output interface 306.

The following describes each component of the terminal in detail with reference to FIG. 1:

The memory 301 may be used to store data, software programs, and modules. The memory 301 mainly includes a stored program area and a stored data area. The stored program area may store an operating system and at least one application required by a function, such as a sound playback function, an image playback function, and the like ; The storage data area can store data created according to the use of the terminal, such as audio data, image data, phone books, and so on. In addition, the terminal may include a high-speed random access memory, and may further include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage device.

The processor 302 is the control center of the terminal, and uses various interfaces and lines to connect various parts of the entire device. By running or executing software programs and / or modules stored in the memory 301, and calling data stored in the memory 301, Perform various functions of the terminal and process data to monitor the terminal as a whole. Optionally, the processor 302 may include one or more processing units. For example, the processor 302 may integrate an application processor (AP) and a digital signal processor (DSP), where the AP mainly processes Operating system, user interface and application programs, etc. DSP can be a processing chip integrated for a certain function. It can be understood that, as mentioned above, the DSP may not be integrated into the processor 302.

The sensor component 303 includes one or more sensors for providing the terminal with various aspects of status assessment. The sensor component 303 may include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor. The sensor component 303 can detect the acceleration / deceleration, orientation, open / close status of the terminal, and relative positioning of the component, or The temperature of the terminal changes. In addition, the sensor component 303 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.

The multimedia component 304 provides a screen with an output interface between the terminal and the user. The screen may be a touch panel, and when the screen is a touch panel, the screen may be implemented as a touch screen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure related to the touch or slide operation. In addition, the multimedia component 304 further includes at least one camera. For example, the multimedia component 304 includes a front camera and / or a rear camera. When the terminal is in an operation mode, such as a shooting mode or a video mode, the front camera and / or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.

The power component 305 is used to provide power to various components of the terminal. The power component 305 may include a power management system, one or more power sources, and other components associated with the terminal generating, managing, and distributing power. The input / output interface 306 provides an interface between the processor 302 and a peripheral interface module. For example, the peripheral interface module may be a keyboard, a mouse, or the like.

Although not shown, the terminal may further include an audio component, a communication component, and the like. For example, the audio component includes a microphone, and the communication component includes a wireless fidelity (WiFi) module, a Bluetooth module, and the like. The embodiments of this application are not described herein. To repeat. Those skilled in the art can understand that the terminal structure shown in FIG. 1 does not constitute a limitation on the terminal, and may include more or fewer components than shown in the figure, or combine some components, or arrange different components.

FIG. 4 is a schematic flowchart of a wireless communication method according to an embodiment of the present application. The method is applied to a terminal or a chip built in the terminal. Referring to FIG. 4, the method includes the following steps.

S401: Determine that the terminal runs a VoLTE service in a cell of the first communication system.

The first communication system may be an LTE system and subsequent evolution systems, such as the fifth generation communication system and future communication systems. The first communication system may also adopt time division duplex, frequency division duplex, and code division multiple access. , Frequency division multiple access, time division multiple access, orthogonal frequency division multiple access, single carrier frequency division multiple access, and other technologies such as LTE systems.

The VoLTE (voice over LTE) service is a voice service provided in the LTE network based on the IMS network. Voice data is transmitted through IP data packets. All services are carried on the LTE network, which can realize data and voice services in the same network. transmission. The VoLTE service may be an audio call service, or an audio and video call.

The operation of the VoLTE service in the cell of the first communication system by the terminal can be understood as: The terminal establishes a signaling connection of the VoLTE service in the cell of the first communication system. At this time, the terminal and the cell of the first communication system can establish a signaling connection. The transmission of voice data may or may not exist, which is not limited in the embodiments of the present application.

Specifically, determining that the terminal runs a VoLTE service in a cell of the first communication system can be achieved by detecting whether a signaling connection of the VoLTE service exists between the terminal and the cell of the first communication system, and when the signaling connection exists, When it is determined that the terminal is running a VoLTE service in a cell of the first communication system.

In practical applications, the terminal may also determine that the terminal runs a VoLTE service in a cell of the first communication system by other methods. Exemplarily, when the terminal is in a cell of the first communication system, the terminal can detect the state of the speaker and microphone related to the VoLTE service in the terminal, and when both the speaker and the microphone are in the working state, determine that the terminal is in the first A communication system runs a VoLTE service in a cell.

S402: The terminal enables optimized characteristics for the VoLTE service; wherein the optimized characteristics for the VoLTE service are used to reduce the probability of the terminal establishing a wireless connection with the cell of the second communication system, and the wireless access technology of the second communication system is different from Radio access technology of the first communication system.

The wireless connection may refer to a connection established between the terminal and a cell. For example, the wireless connection in a 2G communication system may be called a radio resource (RC) connection, and the wireless connection in a 3G communication system and an evolved system may be This is called a radio resource control (radio resource control, RRC) connection.

In addition, the service quality of the terminal running the VoLTE service in the cell of the second communication system is lower than the service quality of the terminal running the VoLTE service in the cell of the first communication system. For example, when the first communication system is an LTE system or a subsequent evolved system, the second communication system may be a 2G communication system or a 3G communication system. The wireless access technology of the first communication system may be the wireless access technology adopted by the evolved system, and the wireless access technology of the second communication system may be the wireless access technology adopted by the 2G / 3G communication system.

Specifically, the terminal enables optimization characteristics for VoLTE services, which may include the following two cases, which are specifically described below.

Type I. The terminal enables optimization features for VoLTE services, including: receiving a redirect message from a cell of the first communication system, the redirect message being used to instruct the terminal to release a wireless connection with the cell of the first communication system And establish a wireless connection with a cell of the second communication system; enable the terminal to ignore the redirect message to maintain a wireless connection with the cell of the first communication system.

Wherein, enabling the terminal to ignore the redirect message to maintain the wireless connection between the terminal and the cell of the first communication system may include: the terminal does not respond to the redirect message, or the terminal does not release the cell with the first communication system Wireless connection, or does not follow the redirection process in the prior art.

Exemplarily, when the terminal receives a redirect message of a message from the first communication system, the terminal can ignore the redirect message, that is, the terminal appears to have received the redirect message as if it had not received the redirect message. The process before the message continues. Alternatively, when the terminal receives the redirection message, the terminal saves the VoLTE service context, releases the wireless connection with the cell of the first communication system, and re-establishes the wireless connection in the cell of the first communication system. The service context recovers the VoLTE service in the cell of the first communication system.

For ease of understanding, the first communication system is a 4G communication system, and the second communication system is a 2G / 3G communication system. For example, the specific process of redirection in the prior art and the terminal's enabling characteristics for the VoLTE service are optimized. The specific process is illustrated.

As shown in FIG. 5, the redirection process in the prior art includes: the E-UTRAN of the 1.4G communication system sends a redirection message (for example, RRC connection release with redirection information) to the terminal, and notifies the terminal to release the current wireless connection (E.g., dedicated radio resources), save the upper PS service context, suspend the upper PS service context, delete the upper VOLTE service context, release the upper VOLTE service, and re-enter UTRAN / GETRAN in the 2G / 3G communication system specified by the redirect message Initiate access; 2. When the terminal receives the redirect message, the terminal releases the current dedicated wireless resource, saves the upper PS service context, suspends the upper PS service, deletes the upper VOLTE service context, and releases the upper VOLTE service; 3. The terminal re-initiates access in UTRAN / GETRAN in the 2 / 3G communication system specified by the redirection message; 4. The terminal performs location area update (LAU) in the UTRAN / GETRAN network, Routing area update (routing update, RAU), obtains the context information of the upper PS service, and maps and reconstructs the original bearer to implement Recovery and continued PS service; 5. When the upper terminal resumes the PS service in UTRAN / GETRAN network, remove the upper layer of the E-UTRAN PS service context and VOLTE business context.

The process of enabling the terminal to optimize the characteristics of the VoLTE service may include: in conjunction with FIG. 5, after receiving the redirection message in step 2 above, the terminal does not perform subsequent steps; or, the terminal performs the following steps as shown in FIG. 6 Process execution.

As shown in FIG. 6, the specific process of enabling the terminal to optimize the characteristics of the VoLTE service includes: the base station E-UTRAN of the 1.4G communication system sends a redirect message to the terminal (for example, RRC connection release with redirection information) to notify the terminal The terminal releases the current wireless connection (for example, dedicated wireless resources), saves the upper PS service context, suspends the upper PS service, deletes the upper VOLTE service context, releases the upper VOLTE service, and in the 2G / 3G communication system specified to the redirect message. Re-initiate access in the UTRAN / GETRAN network; 2. When the terminal receives the redirect message, the terminal releases the current dedicated wireless resources, saves the upper PS service context, suspends the upper PS service context, saves the upper VOLTE service context, Suspend the upper-layer VOLTE service; 3. If the terminal's current cell is LTE cell A, the terminal initiates the RRC re-establishment process in the LTE cell A; 4. After the RRC re-establishment is successful, the terminal obtains the upper-layer PS service context information And upper-layer VOLTE service context information, and map to reconstruct the original bearer, so as to recover the upper-layer PS service and VOLTE service. Recovery and persistence.

It should be noted that the upper-layer PS services in FIG. 5 and FIG. 6 refer to application data seen by the end user, such as data packets generated by surfing the Internet; the upper-layer PS service context refers to the relevant relationship maintained by the terminal for the upper-layer PS service. Context information, such as IP address, port number, QOS, etc .; VoLTE service context refers to relevant information maintained by the terminal for the VOLTE service, such as the counterparty number, encoding or decoding type, and media type.

Further, the reason why the cell of the first communication system sends the redirection message to the terminal is that the cell of the first communication system cannot, according to a measurement report previously reported by the terminal, be the same from at least one neighboring cell indicated by the measurement report. The terminal selects the target cell. For example, the physical cell identity (PCI) of the cell with the best signal quality in the measurement report is confused or collided with the PCI of another cell. The PCI confusion or collision in a cell may refer to which cell cannot be determined through the PCI. For example, if the PCI in two cells is the same, the PCI confusion or collision may occur.

Therefore, after the terminal enables the optimization feature for the VoLTE service, the terminal can also modify the measurement report of the cell currently reported to the first communication system, so that the currently reported measurement report causes the cell of the first communication system to trigger the The signal quality of the cell redirected by the terminal is not the best signal quality in the currently reported measurement report, so that the cell of the first communication system can select the cell with the best signal quality for the terminal according to the currently reported measurement report, and subsequently no need for subsequent Then trigger the redirect operation.

The measurement report is used to indicate the signal quality of at least one neighboring cell of the cell where the terminal is located. The at least one neighboring cell includes a cell adjacent to the cell where the terminal is located in the first communication system, and may also include a second cell A cell adjacent to the cell where the terminal is located in the communication system.

Specifically, the terminal continuously measures the signal quality of at least one neighboring cell of the cell in which the terminal is located, and reports the signal quality of the at least one neighboring cell in the form of a measurement report to the cell of the first communication system. In the embodiment of the present application, when the terminal obtains a current measurement report through measurement, the terminal modifies a cell with the best signal quality in the measurement report, that is, a cell in the first communication system triggers a cell in which the terminal redirects. For example, the terminal may delete the information of the neighboring cell with the best signal quality from the current measurement report, or the terminal may reduce the signal quality of the neighboring cell with the best signal quality from the current measurement report so that it is at least at least An adjacent cell is not the one with the best signal quality. After that, the terminal may send the modified measurement report to the network side, so that the cell of the first communication system can select the neighboring cell with the best signal quality for the terminal according to the currently reported measurement report, thereby eliminating the need for subsequent triggering. Redirect operation.

For example, at least one neighboring cell includes cell_1, cell_2, and cell_3, and the terminal measures that the signal quality of cell_1 in the at least one neighboring cell is 35, the signal quality of cell_2 is 40, and the signal quality of cell_3 is 30. Among them, the signal quality of cell_2 is the cell with the best measured signal quality, and the PCI of cell_2 is confused or collided with the PCI of other cells, then the terminal can reduce the signal quality of cell_2 in the current measurement report to 20, Or delete the signal quality of cell_2 from the current measurement report. When the terminal sends the modified measurement report to the network side, the cell with the best signal quality selected by the network side based on the measurement report is cell_1. Since the PCI of cell_1 and the PCI of other cells are not confused or collided, Therefore, the network side does not need to trigger a redirection operation subsequently.

Type II: The terminal enables optimization characteristics for VoLTE services, including: receiving a measurement configuration message from a cell of the first communication system, the measurement configuration message is used to indicate that the quality of the terminal in the cell of the second communication system is better than When the threshold is predetermined, a measurement report is reported; when the quality of the cell in the second communication system that enables the terminal is better than the second threshold and the quality of the cell in the first communication system is worse than the first threshold, the measurement report is reported.

The predetermined threshold and the second threshold may be equal or unequal. The predetermined threshold may be specified by a communication protocol, and the first threshold may be set in advance. When the predetermined threshold and the second threshold are not equal, the second threshold may also be set in advance, and the sizes of the first threshold and the second threshold that are specifically set may be determined according to actual conditions, which is not limited in the embodiment of the present application.

In addition, the measurement configuration message is used to indicate a condition for the terminal to report a measurement report, and is specifically used to indicate that the terminal reports a measurement report when the quality of the cell in the second communication system is better than a predetermined threshold. In the embodiment of the present application, when the terminal receives the measurement configuration message, the terminal will modify the conditions for reporting a measurement report, specifically modifying that the quality of the cell in the second communication system is better than the second threshold, and the first communication When the cell quality of the system is lower than the first threshold, the measurement report is reported.

Specifically, if the terminal does not enable the optimization feature for the VoLTE service, when the terminal receives the measurement configuration message from the cell of the first communication system, the terminal measures the signal quality of the cell of the second communication system, and When the signal quality of a cell of the second communication system is better than a predetermined threshold, a measurement report is sent to the cell of the first communication system. If the terminal enables optimization characteristics for the VoLTE service, when the terminal receives a measurement configuration message from a cell of the first communication system, the terminal measures the signal quality of the cell of the first communication system and the signal quality of the second communication system. Send a measurement report to the cell of the first communication system when the signal quality of the cell of the second communication system is better than the second threshold and the signal quality of the cell of the first communication system is worse than the first threshold. The measurement report reported by the terminal to the cell of the first communication system according to the measurement configuration information will trigger the operation of the terminal to switch to the cell of the second communication system. Therefore, by enabling the optimization feature for VoLTE services, When the signal quality of the cell of the communication system is good, avoid the terminal from reporting a measurement report to the cell of the first communication system, so as to maintain the wireless connection between the terminal and the cell of the first communication system, so as to maintain the VoLTE service at the first communication. In the cell of the system, the quality of the VoLTE service is further improved.

Further, in conjunction with FIG. 4, before S402, the terminal may not directly enable optimization features for VoLTE services, but instead determine whether to enable optimization features for VoLTE services. When determining whether to enable optimization features for VoLTE services, Step S402 is performed, that is, referring to FIG. 7, the method further includes: S403.

S403: The terminal determines to enable optimization characteristics for VoLTE services.

Wherein, the terminal judging whether to enable the optimization feature for the VoLTE service can be understood as: The terminal judges whether to enable the function switch for the optimization feature for the VoLTE service, and if the judgment result is yes, then determines to enable the optimization feature for the VoLTE service. (Ie, enable the optimization feature for the VoLTE service), and if the judgment result is no, do not enable the optimization feature for the VoLTE service (that is, do not turn on the optimization feature for the VoLTE service).

In a possible implementation manner, determining the necessary conditions for enabling the optimization characteristics for the VoLTE service includes: determining that the terminal is in a high-speed rail scenario.

When the terminal is in a VoLTE service in a high-speed rail scenario, the terminal is usually moved to a 2 / 3G communication system. Moving the terminal to a 2 / 3G communication system will affect the quality of voice services. When it is determined that the terminal runs a VoLTE service in a cell of the first communication system, and it is determined that the terminal is in a high-speed rail scene, the terminal determines to enable optimization characteristics for the VoLTE service, thereby enabling optimization characteristics for the VoLTE service to maintain the terminal. The wireless connection with the cells of the first communication system ensures the quality of the VoLTE service.

Specifically, determining that the terminal is in a high-speed rail scene can be performed in the following ways: detecting the high-speed rail identifier indicated by the cell of the first communication system; or detecting that the terminal's moving speed is greater than or equal to the specified speed; or detecting the first A high-speed rail mark indicated by a cell of a communication system, and it is detected that the terminal is moving at a speed greater than or equal to a specified speed.

The first communication system may be a dedicated network specifically established for a high-speed rail scenario. The private network may be identified by a high-speed rail identifier, so that the terminal may determine that the terminal is in a high-speed rail scenario when the high-speed rail identifier indicated by the cell of the first communication system is detected. . Alternatively, the terminal may determine that the terminal is in a high-speed rail scene when detecting that the terminal's moving speed is greater than or equal to a specified speed, and the specified speed may be set in advance, for example, the specified speed may be a minimum speed when the high-speed rail is running. Alternatively, when the high-speed rail identifier indicated by the cell of the first communication system is detected and the terminal's moving speed is greater than or equal to the specified speed, it is determined that the terminal is in a high-speed rail scene to improve the accuracy of the determination.

In the wireless communication method provided in the embodiment of the present application, when it is determined that the terminal is running a VoLTE service in a cell of the first communication system, and when it is determined that the terminal is in a high-speed rail scenario, by enabling optimization characteristics for the VoLTE service, the terminal may be When there is a link failure, PCI confusion or collision, poor cell signal quality, or the terminal is at the edge of the cell, reduce the wireless connection between the terminal and the cell of the second communication system to maintain the terminal and the first communication system. The wireless connection between the cells of a communication system further improves the service quality of the voice service and the user experience.

It should be noted that the above-mentioned determining that the terminal is in a high-speed rail scene may be a necessary condition for the above step S403, that is, according to the terminal in the high-speed rail scene, it may be determined that the optimization characteristics for VoLTE services are enabled; the above-mentioned determining that the terminal is in a high-speed rail scene may also be the above The sufficient condition of step S403, that is, it can be determined that the terminal is in a high-speed rail scenario according to the determination of enabling characteristics for the VoLTE service. The above determination of the terminal in a high-speed rail scenario may not be a sufficient condition of step S403. In addition, it is determined that enabling for VoLTE The optimization characteristics of the service may also include other necessary conditions, which are not specifically limited in the embodiments of the present application.

In practical applications, the necessary conditions for determining the optimization characteristics for the VoLTE service may be other conditions. The embodiment of the present application only uses a high-speed rail scenario as an example, and does not specifically limit this. For example, the necessary conditions for determining the optimization characteristics for enabling VoLTE services may also include determining that the terminal is in a subway scene, or a light rail scene, and other scenarios similar to a high-speed rail scene.

The above mainly introduces the solution provided by the embodiment of the present application from the perspective of interaction between various network elements. It can be understood that, in order to implement the above functions, each network element, such as a terminal, includes a hardware structure and / or a software module corresponding to each function. Those skilled in the art should easily realize that, in combination with the units and algorithm steps of the examples described in the embodiments disclosed herein, the present application can be implemented in the form of hardware, software, or a combination of hardware and computer software. Whether a certain function is performed by hardware or computer software-driven hardware depends on the specific application and design constraints of the technical solution. A professional technician can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

In the embodiment of the present application, the terminal may be divided into functional modules according to the foregoing method example. For example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The above integrated modules can be implemented in the form of hardware or software functional modules. It should be noted that the division of the modules in the embodiments of the present application is schematic, and is only a logical function division. In actual implementation, there may be another division manner. The following description is made by taking each function module corresponding to each function as an example.

FIG. 8 shows a schematic structural diagram of a wireless communication device involved in the foregoing embodiment, and the device can implement the functions of a terminal in the method provided in the embodiment of the present application. The device may be a terminal or a device that can support the terminal to implement the functions of the terminal in the embodiments of the present application. For example, the device is a chip system applied to the terminal. The device includes: a determining unit 801 and an enabling unit 802. The determining unit 801 may be used to support the device to execute steps S401 and S403 in the above method embodiment and / or other technical processes described herein; the enabling unit 802 may be used to support the device to perform the above method embodiment. Step S402, and the step of modifying the measurement report. Further, the apparatus may further include: a receiving unit 803; wherein the receiving unit 803 is configured to support the apparatus to perform the steps of receiving the redirect message and / or the measurement configuration message from the cell of the first communication system in the foregoing method embodiment. All relevant content of each step involved in the above method embodiment can be referred to the functional description of the corresponding functional module, and will not be repeated here.

Optionally, in the embodiments of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.

Optionally, the receiving unit 803 in the embodiment of the present application may be a circuit, a device, an interface, a bus, a software module, a transceiver, or any other device that can implement communication.

Optionally, the receiving unit 803 may be a terminal or a communication interface applied to a chip system in the terminal. For example, the communication interface may be a transceiver circuit, and the determining unit 801 and the enabling unit 802 may be integrated in the terminal or applied to the terminal. Chip system on the processor.

FIG. 9 shows a schematic diagram of a possible logical structure of the wireless communication device involved in the foregoing embodiment. The device can implement the functions of the terminal in the method provided in the embodiment of the present application. The device may be a terminal or a chip system applied in the terminal. The device includes a processor 902 and a communication interface 903. The processor 902 is configured to control and manage the operations of the device shown in FIG. 9. For example, the processor 902 is configured to execute a message or data processing step on the device side shown in FIG. 9. For example, the apparatus shown in FIG. 9 is supported to perform steps S401 to S403 in the above method embodiment, and / or other processes used for the technology described herein. The communication interface is configured to support the apparatus shown in FIG. 9 to perform the steps of receiving the redirect message and / or the measurement configuration message from the cell of the first communication system in the foregoing method embodiment. Optionally, the device shown in FIG. 9 may further include a memory 901 for storing program code and data of the device.

The processor 902 may be a processor or a controller. For example, the processor 902 may be a central processing unit, a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array, or other programmable logic devices, transistor logic devices, Hardware components or any combination thereof. It can implement or execute various exemplary logical blocks, modules, and circuits described in connection with the disclosure of the embodiments of the present application. A processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a digital signal processor and a microprocessor, and so on. The communication interface 902 may be a transceiver, a transceiver circuit, a communication interface, or the like. The memory 901 may be a high-speed random access memory, a non-volatile memory, or the like.

Exemplarily, the communication interface 903, the processor 902, and the memory 901 are connected to each other through a bus 904; the bus 904 may be a PCI bus, an EISA bus, or the like. The bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only a thick line is used in FIG. 9, but it does not mean that there is only one bus or one type of bus. The memory 901 is configured to store program code and data of the branch device. The communication interface 903 is configured to support the device to communicate with other devices, and the processor 902 is configured to enable the device to execute the program code stored in the memory 901 to implement the steps in the method provided in the embodiment of the present application.

Optionally, the memory 901 may be included in the processor 902.

The apparatus provided in the embodiment of the present application, when determining that the terminal is running a VoLTE service in a cell of the first communication system and determining that the terminal is in a high-speed rail scenario, reduces the communication between the terminal and the second by enabling optimization characteristics for the VoLTE service. The wireless connection of the cell of the system, so as to maintain the wireless connection between the terminal and the cell of the first communication system, so as to improve the service quality of the voice service and the user experience.

The methods provided in the embodiments of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with the embodiments of the present application are wholly or partially generated. The computer may be a general-purpose computer, a special-purpose computer, a computer network, a network device, or other programmable device. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, a computer, a server, or a data center. Transmission by wire (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server, or data center. The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, and the like that includes one or more available medium integration. The usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a digital video disc (DVD)), or a semiconductor medium (for example, an SSD).

Based on this understanding, the embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores instructions, and when the computer-readable storage medium runs on the computer, causes the computer to execute the terminal of the method in the foregoing method embodiment. One or more steps.

The embodiment of the present application further provides a computer program product containing instructions, which when executed on a computer, causes the computer to execute one or more steps of the terminal in the foregoing method embodiments.

Those of ordinary skill in the art may realize that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. A professional technician can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

Those skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working processes of the devices and units described above can refer to the corresponding processes in the foregoing method embodiments, and are not repeated here.

The above is only a specific implementation of this application, but the scope of protection of this application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in this application. It should be covered by the protection scope of this application. Therefore, the protection scope of this application shall be subject to the protection scope of the claims.

Claims

A wireless communication method, characterized in that the method is applied to a terminal or a chip built in the terminal, and the method includes:

Determining that the terminal runs a VoLTE service in a cell of the first communication system;

Enabling optimization characteristics for the VoLTE service;

Wherein, the optimized characteristic for the VoLTE service is used to reduce a probability that the terminal establishes a wireless connection with a cell of a second communication system, and a radio access technology of the second communication system is different from the first communication system Wireless access technology.
The wireless communication method according to claim 1, wherein before the enabling characteristics for the VoLTE service are enabled, the method further comprises:

Determine to enable optimization characteristics for the VoLTE service.
The wireless communication method according to claim 2, wherein the determining the necessary conditions for enabling the optimized characteristics for the VoLTE service comprises:

It is determined that the terminal is in a high-speed rail scene.
The wireless communication method according to claim 3, wherein the determining that the terminal is in a high-speed rail scene comprises:

A high-speed rail identifier indicated by the cell of the first communication system is detected.
The wireless communication method according to claim 3, wherein the determining that the terminal is in a high-speed rail scene comprises:

It is detected that the moving speed of the terminal is greater than or equal to a specified speed.
The wireless communication method according to any one of claims 1-5, wherein the enabling optimization characteristics for the VoLTE service comprises:

Receiving a redirect message from a cell of the first communication system, the redirect message is used to instruct the terminal to release a wireless connection with a cell of the first communication system and communicate with a cell of the second communication system Establish a wireless connection;

Enabling the terminal to ignore the redirect message to maintain a wireless connection with a cell of the first communication system.
The wireless communication method according to claim 6, wherein the method further comprises:

Modify the measurement report so that the signal quality of the cell that caused the cell of the first communication system to trigger the terminal redirection is not the best signal quality in the measurement report.
The wireless communication method according to any one of claims 1-5, wherein the enabling characteristics for enabling VoLTE services comprises:

Receiving a measurement configuration message from a cell of the first communication system, where the measurement configuration message is used to instruct the terminal to report a measurement report when the quality of the cell of the second communication system is better than a predetermined threshold;

When the quality of the cell in the second communication system enabled by the terminal is better than the second threshold, and the quality of the cell of the first communication system is worse than the first threshold, the measurement report is reported.
A wireless communication device, characterized in that the device is a terminal or a chip for the terminal, and the device includes:

A determining unit, configured to determine that the terminal runs a VoLTE service in a cell of the first communication system;

An enabling unit, configured to enable optimization characteristics for the VoLTE service;

Wherein, the optimized characteristic for the VoLTE service is used to reduce a probability that the terminal establishes a wireless connection with a cell of a second communication system, and a radio access technology of the second communication system is different from the first communication system Wireless access technology.
The wireless communication device according to claim 9, wherein the determining unit is further configured to:

Determine to enable optimization characteristics for the VoLTE service.
The wireless communication device according to claim 10, wherein the determining unit is configured to determine a necessary condition for enabling optimization characteristics for the VoLTE service, comprising:

It is determined that the terminal is in a high-speed rail scene.
The wireless communication device according to claim 11, wherein the determining unit is further configured to:

A high-speed rail identifier indicated by the cell of the first communication system is detected.
The wireless communication device according to claim 11, wherein the determining unit is further configured to:

It is detected that the moving speed of the terminal is greater than or equal to a specified speed.
The wireless communication device according to any one of claims 9 to 10, wherein

The apparatus further includes a receiving unit for receiving a redirection message from a cell of the first communication system, and the redirection message is used to instruct the terminal to release a wireless connection with the cell of the first communication system. And establish a wireless connection with a cell of the second communication system;

The enabling unit is further configured to enable the terminal to ignore the redirect message to maintain a wireless connection with a cell of the first communication system.
The wireless communication device according to claim 14, wherein the enabling unit is further configured to:

Modify the measurement report so that the signal quality of the cell that caused the cell of the first communication system to trigger the terminal redirection is not the best signal quality in the measurement report.
The wireless communication device according to any one of claims 9 to 13, wherein:

The apparatus further includes a receiving unit configured to receive a measurement configuration message from a cell of the first communication system, where the measurement configuration message is used to indicate that the quality of the terminal in the cell of the second communication system is better than Report the measurement report when the threshold is predetermined;

The enabling unit is further configured to enable the terminal to report when the quality of the cell of the second communication system is better than a second threshold and the quality of the cell of the first communication system is worse than the first threshold. The measurement report.
A wireless communication device, characterized in that the device is a terminal or a chip for the terminal, and the device includes a processor and a memory connected to the processor, where the memory is used to store program code. When the program code is executed by the processor, the wireless communication device executes the following steps:

Determining that the terminal runs a VoLTE service in a cell of the first communication system;

Enabling optimization characteristics for the VoLTE service;

Wherein, the optimized characteristic for the VoLTE service is used to reduce a probability that the terminal establishes a wireless connection with a cell of a second communication system, and a radio access technology of the second communication system is different from the first communication system Wireless access technology.
The wireless communication device according to claim 17, wherein the wireless communication device further performs the following steps:

Determine to enable optimization characteristics for the VoLTE service.
The wireless communication device according to claim 18, wherein the wireless communication device performing the determination of the necessary conditions for enabling the optimized characteristics for the VoLTE service comprises:

It is determined that the terminal is in a high-speed rail scene.
The wireless communication device according to claim 19, wherein the wireless communication device further performs the following steps:

A high-speed rail identifier indicated by the cell of the first communication system is detected.
The wireless communication device according to claim 19, wherein the wireless communication device further performs the following steps:

It is detected that the moving speed of the terminal is greater than or equal to a specified speed.
The wireless communication device according to any one of claims 17 to 21, wherein the wireless communication device further performs the following steps:

Receiving a redirect message from a cell of the first communication system, the redirect message is used to instruct the terminal to release a wireless connection with a cell of the first communication system and communicate with a cell of the second communication system Establish a wireless connection;

Enabling the terminal to ignore the redirect message to maintain a wireless connection with a cell of the first communication system.
The wireless communication device according to claim 22, wherein the wireless communication device further performs the following steps:

Modify the measurement report so that the signal quality of the cell that caused the cell of the first communication system to trigger the terminal redirection is not the best signal quality in the measurement report.
The wireless communication device according to any one of claims 17 to 21, wherein the wireless communication device further performs the following steps:

Receiving a measurement configuration message from a cell of the first communication system, where the measurement configuration message is used to instruct the terminal to report a measurement report when the quality of the cell of the second communication system is better than a predetermined threshold;

When the quality of the cell in the second communication system enabled by the terminal is better than the second threshold, and the quality of the cell of the first communication system is worse than the first threshold, the measurement report is reported.
A readable storage medium, characterized in that instructions are stored in the readable storage medium, and when the readable storage medium is run on a device, the device causes the device to execute any one of claims 1-8 Wireless communication method.
A computer program product, wherein when the computer program product runs on a computer, the computer is caused to execute the wireless communication method according to any one of claims 1-8.