WO2022252180A1

WO2022252180A1 - Service control method and apparatus, device and storage medium

Info

Publication number: WO2022252180A1
Application number: PCT/CN2021/098129
Authority: WO
Inventors: 范江胜
Original assignee: Oppo广东移动通信有限公司
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-12-08
Also published as: CN117016011A

Abstract

The present application discloses a service control method and apparatus, a device and a storage medium, and relates to the field of mobile communications. The method comprises: when the current status satisfies a reference condition, sending a layer 2 (L2) status report to a target device, the L2 status report being used to control continuity of service data transmission when performing service conversion between a first terminal device and a second terminal device, the reference condition being used to indicate that service conversion is performed between the first terminal device and the second terminal device, and the target device, according to the L2 status report, completing retransmission or continuous transmission of the service, thereby ensuring the continuity of service data transmission and improving the communication effect of the service.

Description

Service control method, device, equipment and storage medium

technical field

The present application relates to the field of mobile communication, in particular to a service control method, device, equipment and storage medium.

Background technique

With the rapid development of mobile communication technology, NR (New Radio, new air interface) technology is proposed, and terminal equipment and network equipment use NR technology to communicate, which can achieve the purpose of reducing air interface signaling and quickly recovering data services. However, when a terminal device transmits services, some services cannot be transmitted due to communication quality, and because the continuity of service transmission cannot be guaranteed, a method for controlling service continuity is urgently needed.

Contents of the invention

Embodiments of the present application provide a service control method, device, device, and storage medium, which ensure continuity of service data transmission and improve service communication effects. Described technical scheme is as follows:

According to one aspect of the present application, a service control method is provided, which is applied to a first terminal device, and the method includes:

When the current state satisfies the reference condition, send an L2 (Layer 2) state report to the target device, the L2 state report is used to control the service data during service conversion between the first terminal device and the second terminal device Continuity of transmission, the reference condition is used to indicate service switching between the first terminal device and the second terminal device.

According to one aspect of the present application, a service control method is provided, which is applied to a second terminal device, and the method includes:

receiving an L2 status report sent by the first terminal device, where the L2 status report is used to control the continuity of service data transmission during service conversion between the first terminal device and the second terminal device;

sending the L2 status report to the network device.

According to one aspect of the present application, a service control method is provided, which is applied to a network device, and the method includes:

Receive an L2 status report sent by the first terminal device or the second terminal device, where the L2 status report is used to control the continuity of service data transmission during service switching between the first terminal device and the second terminal device.

According to one aspect of the present application, a service control device is provided, which is set in a first terminal device, and the device includes:

A sending module, configured to send an L2 status report to the target device when the current status satisfies the reference condition, and the L2 status report is used to control services during service conversion between the first terminal device and the second terminal device For continuity of data transmission, the reference condition is used to indicate service switching between the first terminal device and the second terminal device.

According to one aspect of the present application, a service control device is provided, which is set in a second terminal device, and the device includes:

A receiving module, configured to receive an L2 status report sent by the first terminal device, where the L2 status report is used to control the continuity of service data transmission during service conversion between the first terminal device and the second terminal device;

A sending module, configured to send the L2 status report to the network device.

According to one aspect of the present application, a service control device is provided, which is set in a network device, and the device includes:

The receiving module is configured to receive the L2 status report sent by the first terminal device or the second terminal device, and the L2 status report is used to control the transmission of service data during service conversion between the first terminal device and the second terminal device continuity.

According to one aspect of the present application, a terminal device is provided, and the terminal device includes: a processor; a transceiver connected to the processor; a memory for storing executable instructions of the processor; wherein, the The processor is configured to load and execute the executable instructions to implement the service control method as described in the above aspects.

According to one aspect of the present application, a network device is provided, and the network device includes: a processor; a transceiver connected to the processor; a memory for storing executable instructions of the processor; wherein, the The processor is configured to load and execute the executable instructions to implement the service control method as described in the above aspects.

According to one aspect of the present application, a computer-readable storage medium is provided, wherein executable program code is stored in the readable storage medium, and the executable program code is loaded and executed by a processor to implement the above-mentioned aspect. business control methods.

According to one aspect of the present application, a chip is provided, the chip includes a programmable logic circuit and/or program instructions, and when the chip is run on a terminal device or a network device, it is used to implement the business control method.

According to one aspect of the present application, an embodiment of the present application provides a computer program product, which is used to implement the service control method described in the above aspect when the computer program product is executed by a processor of a terminal device or a network device.

The technical solutions provided by the embodiments of the present application at least include the following beneficial effects:

In the method, device, device, and storage medium provided in the embodiments of the present application, the first terminal device sends a message to the target device to control the first terminal device and The L2 status report of the continuity of service data transmission during the service conversion between the second terminal devices. The target device will complete the retransmission or continuation of the service according to the L2 status report, ensuring the continuity of service data transmission and improving the service efficiency. communication effect.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present application.

Fig. 2 shows a flowchart of a service control method provided by an exemplary embodiment of the present application.

Fig. 3 shows a flowchart of a service control method provided by an exemplary embodiment of the present application.

Fig. 4 shows a flowchart of a service control method provided by an exemplary embodiment of the present application.

Fig. 5 shows a flowchart of a service control method provided by an exemplary embodiment of the present application.

Fig. 6 shows a flowchart of a service control method provided by an exemplary embodiment of the present application.

Fig. 7 shows a flowchart of a service control method provided by an exemplary embodiment of the present application.

Fig. 8 shows a block diagram of a communication device provided by an exemplary embodiment of the present application.

Fig. 9 shows a block diagram of a communication device provided by an exemplary embodiment of the present application.

Fig. 10 shows a block diagram of a communication device provided by an exemplary embodiment of the present application.

Fig. 11 shows a block diagram of a communication device provided by an exemplary embodiment of the present application.

Fig. 12 shows a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

First, the application scenario of this application is explained:

FIG. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present application. The communication system may include: an access network 12 and a terminal device 13 .

The access network 12 includes several network devices 120 . The network device 120 may be a base station, and the base station is a device deployed in an access network to provide a terminal device 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 systems, they are called eNodeB or eNB; in 5G NR-U systems, they are called gNodeB or gNB. . As communications technology evolves, the description "base station" may change. For convenience in this embodiment of the present application, the above-mentioned devices that provide the wireless communication function for the terminal device 13 are collectively referred to as access network devices.

The terminal device 13 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of user equipment, mobile stations (Mobile Station, MS) , terminal equipment (Terminal device) and so on. For convenience of description, the devices mentioned above are collectively referred to as terminal devices. The access network device 120 and the terminal device 13 communicate with each other through a certain air interface technology, such as a Uu interface.

Wherein, the terminal device 13 may be a first terminal device or a second terminal device.

The technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, code division multiple access (Code Division Multiple Access, CDMA) system, broadband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (Time Division Duplex, TDD) system, Advanced long term evolution (LTE-A) system, New Radio (NR) system, evolution system of NR system, LTE on unlicensed frequency band (LTE-based access to unlicensed spectrum, LTE-U) system, NR-U system, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, Wireless Local Area Networks (Wireless Local Area Networks, WLAN), Wireless Fidelity (Wireless Fidelity, WiFi), next-generation communication systems or other communication systems, etc.

Generally speaking, the number of connections supported by traditional communication systems is limited and easy to implement. However, with the development of communication technology, mobile communication systems will not only support traditional communication, but also support, for example, Device to Device (Device to Device, D2D) communication, Machine to Machine (M2M) communication, Machine Type Communication (MTC), Vehicle to Vehicle (V2V) communication and Vehicle to everything (V2X) system, etc. The embodiments of the present application may also be applied to these communication systems.

Fig. 2 shows a flow chart of a service control method provided by an exemplary embodiment of the present application, which is applied to the terminal device and network device shown in Fig. 1, and the method includes at least some of the following contents:

Step 210: When the current state satisfies the reference condition, the first terminal device sends an L2 state report to the target device.

Wherein, the L2 status report is used to control the continuity of service data transmission during service switching between the first terminal device and the second terminal device. The L2 status report is a status report within the L2 layer. The L2 layer is a data link layer, and the data link layer provides services to the network layer on the basis of services provided by the physical layer. The L2 layer includes SDAP (Service Data Adaptation Protocol, service data adaptation protocol) layer, PDCP (Packet Data Convergence Protocol, packet data convergence protocol) layer, RLC (Radio Link Control, radio link control) layer, MAC (Media Access Control, media access control) layer.

The reference condition is used to instruct the service conversion between the first terminal device and the second terminal device. The current state is used to indicate the current state of the first terminal device. For example, the current communication state of the first terminal device, the current network quality of the first terminal device, or other states are not limited in this embodiment of the present application.

In this embodiment of the present application, service conversion can be performed between the first terminal device and the second terminal device, and when performing service conversion, in order to ensure the continuity of service data transmission, the first terminal device determines that the current state satisfies the reference condition In the case of an L2 status report, an L2 status report is sent to the target device to inform the target device of the receiving status of the data in the first terminal device through the L2 status report, and then the target device determines the service data to be transmitted based on the received L2 status report to ensure service Continuity of data transmission.

In some embodiments, the target device is a second terminal device, or the target device is a network device. Wherein, the first terminal device is different from the second terminal device.

It should be noted that, in the case that the target device is the second terminal device, steps 220-240 are performed in this embodiment of the present application.

Step 220: the second terminal device receives the L2 status report sent by the first terminal device.

Step 230: the second terminal device sends an L2 status report to the network device.

In this embodiment of the application, the first terminal device sends an L2 status report to the second terminal device, and after receiving the L2 status report, the second terminal device sends the L2 status report to the network device, and the network device completes the L2 status report based on the L2 status report. The retransmission or continuation of business data ensures the continuity of business data transmission.

Step 240: The network device receives the L2 status report sent by the second terminal device.

In this embodiment of the application, the network device receives the L2 status report sent by the second terminal device, determines the service data that has been transmitted and the service data that has not been transmitted based on the received L2 status report, and then resends the service data that has not been transmitted, To ensure the continuity of business data transmission.

It should be noted that, in the case where the target device is a network device, the embodiment of the present application executes step 310. Referring to FIG. 3, the method includes:

Step 310: The network device receives the L2 status report sent by the first terminal device.

In the embodiment of the present application, the network device receives the L2 status report sent by the first terminal device, determines the service data that has been transmitted and the service data that has not been transmitted based on the received L2 status report, and then resends the service data that has not been transmitted, To ensure the continuity of business data transmission.

It should be noted that this embodiment of the present application is only described by taking the target device receiving the L2 status report sent by the first terminal device as an example. In another embodiment, after receiving the L2 status report sent by the first terminal device, the target device will return a response message to the first terminal device to inform the first terminal device of receiving the L2 status report.

In some embodiments, after step 220, the method further includes step 221:

Step 221: the second terminal device sends a response message to the first terminal device.

In other embodiments, after step 310, the method further includes step 311:

Step 311: the network device sends a response message to the first terminal device.

The embodiment of this application provides a method for controlling service continuity. When the first terminal device determines that the current state meets the conditions for controlling the first terminal device to perform service conversion, it sends a message to the target device to control the first terminal device. The L2 status report of the continuity of service data transmission during service conversion with the second terminal device. The target device will complete the retransmission or continuation of the service according to the L2 status report, ensuring the continuity of service data transmission and improving the service quality. communication effect.

On the basis of the embodiment shown in Figure 2 or Figure 3, the reference conditions satisfied by the current state are described:

The reference conditions include at least one of the following:

(1) The first terminal device receives the first indication information sent by the network device.

Wherein, the first indication information is used to control the first terminal device to perform service conversion. In this embodiment of the present application, the network device sends the first instruction information instructing the first terminal device to perform service conversion to the first terminal device, and if the first terminal device receives the first instruction information, it determines that service conversion is required, and then Send an L2 status report to the target device to ensure the continuity of service data transmission during service conversion.

In some embodiments, the first indication information is carried in a system broadcast message or dedicated signaling.

Wherein, the dedicated signaling may be RRC (Radio Resource Control, radio resource control) signaling, MAC CE (Media Access Control Control Element, media access control control unit) signaling or DCI (Downlink Control Information, downlink control information) signaling Order, the embodiment of this application is not limited.

It should be noted that, before step 210, the method also includes steps 211-212, referring to FIG. 4, the method includes:

Step 211: The network device sends first indication information to the first terminal device.

Step 212: The first terminal device receives the first indication information sent by the network device.

In this embodiment of the application, the network device can instruct the first terminal device to perform service conversion through the first indication information, and then the first terminal device determines that the reference condition is satisfied based on the received first indication information sent by the network device, and sends a message to the target device. L2 status report.

It should be noted that the embodiment shown in FIG. 4 is only described on the basis of the embodiment shown in FIG. 2 , and steps 211-212 may also be performed before step 210 in the embodiment shown in FIG. 3 .

(2) The first terminal device receives the second indication information sent by the second terminal device.

In the embodiment of this application, the service conversion is performed between the first terminal device and the second terminal device. During the service conversion, the second terminal device will send the second indication information to the first terminal device based on the service conversion process. If the first The terminal device receives the second indication information sent by the second terminal device, determines that the reference condition is met, and sends an L2 status report to the target device.

In some embodiments, the role of the second indication information includes any of the following:

1. The second indication information is used to trigger the first terminal device to send a service switching request to the second terminal device.

If the second terminal device needs to control the first terminal device to perform service conversion, it sends to the first terminal device second indication information for triggering the first terminal device to send a service conversion request to the second terminal device, so as to control the first terminal device to send A service conversion request, so as to realize the service conversion between the first terminal device and the second terminal device.

2. The second indication information is used to respond to the service switching request sent by the first terminal device.

When performing service conversion between the first terminal device and the second terminal device, the first terminal device will send a service conversion request to the second terminal device, and if the second terminal device accepts the service conversion with the first terminal device, it will send a request to The first terminal device sends the second indication information for responding to the service conversion request, so as to ensure the service conversion between the first terminal device and the second terminal device.

3. The second indication information is used to notify the first terminal device that the service conversion is successful.

After the service conversion between the first terminal device and the second terminal device is successful, the second terminal device needs to send the second indication information to the first terminal device to notify the first terminal device that the service conversion is successful, so that the first terminal device Make sure the business conversion is successful.

In some embodiments, the second indication information is a non-access stratum message or an access stratum message, which is not limited in this embodiment of the present application.

Wherein, the access layer message may be an RRC message, MAC CE information or DCI information, which is not limited in this embodiment of the present application.

It should be noted that, before step 210, the method also includes steps 213-214. Referring to FIG. 5, the method includes:

Step 213: the second terminal device sends second indication information to the first terminal device.

Step 214: The first terminal device receives the second indication information sent by the second terminal device.

In this embodiment of the present application, when the first terminal device and the second terminal device perform service switching, the second terminal device may send the second indication information to the first terminal device, and the first terminal device sends the second instruction information based on the received second terminal device. The second indication information is determined to meet the reference condition, and an L2 status report is sent to the target device.

It should be noted that the embodiment shown in FIG. 5 is only described on the basis of the embodiment shown in FIG. 2 , and steps 211-212 may also be executed before step 210 in the embodiment shown in FIG. 3 .

(3) Trigger a service conversion event.

In the embodiment of the present application, if the first terminal device determines that a service conversion event has been triggered, it determines that it needs to send an L2 status report to the target device, thereby ensuring the continuity of service data transmission during service conversion.

In some embodiments, the business conversion event includes at least one of the following:

1. The first terminal device receives the first request message sent by the target layer.

Wherein, the target layer is the non-access layer or the application layer, and the first request message is used to instruct the first terminal device to perform service conversion.

If the first terminal device receives the first request message from the target layer instructing the first terminal device to perform service conversion, the first terminal device determines that a service conversion event is triggered and needs to send an L2 status report.

2. The wireless link failure of the first terminal device occurs.

If a wireless link failure occurs on the first terminal device, it means that the first terminal device cannot perform service data transmission, and a service switching event is triggered.

3. A wireless link failure occurs on the first terminal device and wireless link re-establishment fails.

If the wireless link fails on the first terminal device, it means that the first terminal device cannot perform service data transmission, and the first terminal device will perform wireless link re-establishment, and if the wireless link re-establishment fails, a service switching event is triggered.

4. The number of wireless link failures that occur on the first terminal device within the time window exceeds the first threshold.

If the number of wireless link failures of the first terminal device within the time window exceeds the first threshold, it means that the current communication effect of the first terminal device is poor and cannot meet service data transmission requirements, and a service conversion event is triggered.

For example, the time window is 20ms (milliseconds), 40ms, 50ms or other numerical values. The first threshold is 3, 4, 5 or other numerical values.

5. The time interval between two consecutive wireless link failures occurring on the first terminal device is not greater than the second threshold.

If the interval between two consecutive wireless link failures of the first terminal device is not greater than the second threshold, it means that the current communication effect of the first terminal device is poor and cannot meet service data transmission requirements, and a service conversion event is triggered.

6. The serving cell measurement result of the first terminal device is not greater than the third threshold.

If the measurement result of the serving cell of the first terminal device is not greater than the third threshold, it means that the current communication quality of the serving cell of the first terminal device is poor and cannot meet the requirements of service data transmission, and a service switching event is triggered.

Among them, the serving cell measurement result can be a cell-level measurement result or a beam-level measurement result, and the measurement based on it is RSRP (Reference Signal Received Power, reference signal received power)/RSRQ (Reference Signal Received Quality, reference signal received quality)/SINR (Signal to Interference plus Noise Ratio, signal to noise ratio) at least one.

7. The serving cell measurement result of the first terminal device is not greater than the fourth threshold and lasts for the first duration.

If the measurement result of the serving cell of the first terminal device is not greater than the fourth threshold, and the duration of the measurement result not greater than the fourth threshold reaches the first duration, it means that the communication quality of the serving cell of the first terminal device is currently poor and cannot satisfy The request for business data transmission triggers a business conversion event.

8. The first terminal device is in camp on any cell (a state of camping on any cell).

9. The first terminal device is in any cell selection (the state of selecting any cell).

10. The QoS (Quality of Service, service quality) measurement result of the first terminal device does not meet the QoS requirement.

If the QoS measurement result of the first terminal device does not meet the QoS requirement, it means that the current quality of service of the first terminal device is poor and cannot meet the requirements of service data transmission, and a service conversion event is triggered.

11. The QoS measurement result of the first terminal device does not meet the QoS requirement and lasts for a second duration.

If the QoS measurement result of the first terminal device does not meet the QoS requirements, and the duration of the QoS measurement result does not meet the QoS requirements reaches the second duration, it means that the current service quality of the first terminal device is poor and cannot meet the requirements of business data transmission, trigger Business transformation events.

12. The first terminal device searches for at least one terminal device capable of service switching.

If the first terminal device searches for at least one terminal device that can perform service switching, it means that the first terminal device can perform service switching with other terminal devices, and the first terminal device triggers a service switching event.

The above business conversion events can be used in combination, for example, the measurement result of the serving cell of the first terminal device is not greater than the third threshold or the measurement result of the serving cell of the first terminal device is not greater than the fourth threshold and lasts for the first duration, which can be switched with any other business A combination of events constitutes a combined event, and the combined event is considered to be triggered only when all the events included in the combined event are triggered. This application does not limit other combined event combinations.

In some embodiments, the QoS requirements include at least one of the following:

Data transmission bit error rate, data transmission delay, data transmission rate.

In some embodiments, at least one of the first threshold, the second threshold, the third threshold, the fourth threshold, the first duration or the second duration is configured in at least one of the following ways:

Method 1: The system broadcasts a message.

In this embodiment of the application, the network device sends a system broadcast message to the first terminal device, and the system broadcast message includes the configured first threshold, second threshold, third threshold, fourth threshold, first duration or second duration The first terminal device determines at least one of the first threshold, the second threshold, the third threshold, the fourth threshold, the first duration or the second duration configured by the network device according to the received system broadcast message.

Mode 2: Dedicated signaling.

In this embodiment of the present application, the network device sends dedicated signaling to the first terminal device, and the dedicated signaling includes the configured first threshold, second threshold, third threshold, fourth threshold, first duration or second duration The first terminal device determines at least one of the first threshold, the second threshold, the third threshold, the fourth threshold, the first duration, or the second duration configured by the network device according to the received dedicated signaling.

Method 3: Default value.

In this embodiment of the application, at least one of the first threshold, the second threshold, the third threshold, the fourth threshold, the first duration, or the second duration is configured with a default value, and the default value of each parameter is determined by the communication agreement agreement.

On the basis of the embodiment shown in Figure 2 or Figure 3, the L2 status report includes at least one of the following:

(1) SDAP status report.

Among them, the SDAP status report is used to describe the mapping relationship between different QoS flows (data flows) of the SDAP protocol sublayer and the DRB.

(2) PDCP status report.

Among them, the PDCP status report is used to describe which SN (Sequence Number, serial number) numbers in the PDCP protocol sublayer correspond to the successful transmission of service data and/or which SN numbers correspond to the failure of service data transmission, and are mainly used for auxiliary data sending. Business data retransmission ensures the continuity of business data transmission.

(3) RLC status report.

Among them, the RLC status report is used to describe which SN numbers in the RLC protocol sublayer correspond to service data transmission success and/or which SN numbers correspond to service data transmission failures, and are mainly used to assist the data sender in retransmitting service data to ensure service Continuity of data transmission.

(4) MAC status report.

Among them, the MAC status report is used to describe the status of at least one HARQ (Hybrid Automatic Repeat reQuest, Hybrid Automatic Repeat Request) process in the MAC protocol sublayer, and is mainly used to assist the service data sender in retransmitting service data to ensure service data transmission continuity.

In some embodiments, the L2 status report includes service conversion information, and the service conversion information includes at least one of the following: DRB (Data Radio Bearer, data radio bearer) identification, PDU (Protocol Data Unit, protocol data unit) session identification, QoS flow ID or logical channel ID.

For example, if the service conversion information includes the DRB ID, it means that the L2 status report is associated with the DRB ID. Alternatively, the service conversion information includes the PDU session identifier and at least one corresponding QoS flow identifier, which means that the L2 status report is associated with the PDU session identifier and the corresponding at least one QoS flow identifier. Alternatively, the service conversion information includes the logical channel identifier, which means that the L2 status report is associated with the logical information identifier.

In the embodiment of the present application, when the L2 status report includes service conversion information, the transmission of the L2 status report can be completed.

It should be noted that if the L2 status report includes the DRB ID or the logical channel ID, the corresponding DRB ID before the service switch is different from the corresponding DRB ID after the service switch. The terminal device configures the DRB configuration information to indicate the associated DRB ID or logical channel ID. For the specific process, please refer to the embodiment shown in FIG. 7 .

In some embodiments, the L2 status report is carried in a non-access stratum message, or the L2 status report is carried in an access stratum message.

In the method provided by the embodiment of the present application, service conversion information is included in the L2 status report, so that the L2 status report is associated with the service conversion information, and the L2 status report is distinguished by the service conversion information, and the first terminal device and the second terminal When performing service conversion between devices, it is ensured that the continuity of service data transmission is realized after the second terminal device activates the service requested by the first terminal device.

On the basis of the embodiment shown in FIG. 2 , FIG. 6 shows a flowchart of a service control method provided by an exemplary embodiment of the present application. Before step 230, the method also includes step 610, and step 230 is replaced by step 620. Referring to FIG. 6, the method includes:

Step 610: The network device sends third indication information to the second terminal device.

Step 620: In the case of receiving the third indication information sent by the network device, the second terminal device sends an L2 status report to the network device.

Wherein, the third indication information is used to trigger the reporting of the L2 status report.

In this embodiment of the application, after the second terminal device receives the L2 status report sent by the first terminal device, the network device sends the third indication information to the second terminal device to instruct the second terminal device to send the L2 status report to the network device. report, if the second terminal device receives the third indication information, send an L2 status report to the network device.

In the method provided in the embodiment of the present application, the second terminal device sends an L2 status report to the network device based on the received third indication information, so as to ensure the accuracy of the L2 status report sent by the second terminal device, thereby ensuring the continuity of service data transmission.

It should be noted that the embodiment of the present application is only described by taking the network device triggering the second terminal device to send the L2 status report as an example. In another embodiment, when the second terminal device determines to successfully receive the L2 status report sent by the first terminal device, it sends the L2 status report to the network device, without the network device sending the third indication information to the second terminal device To trigger the reporting of the L2 status report.

In the embodiment of the present application, if the second terminal device successfully receives the L2 status report sent by the first terminal device, it sends the L2 status report to the network device, so as to improve the efficiency of transmitting the L2 status report.

On the basis of the embodiment shown in FIG. 2 , FIG. 7 shows a flowchart of a service control method provided by an exemplary embodiment of the present application. Before step 230, steps 710-720 are also included. Referring to FIG. 7, the method includes:

Step 710: The network device sends DRB configuration information to the second terminal device.

Step 720: The second terminal device receives the DRB configuration information sent by the network device.

In an implementation manner, steps 710-720 may be performed before steps 210 and 220, and the present application does not limit the sequence between steps 710-720 and steps 210-220.

Wherein, the DRB configuration information is used to configure the DRB-related configuration corresponding to the service.

In this embodiment of the application, the network device sends DRB configuration information to the second terminal device, configures the DRB related configuration corresponding to the service for the second terminal device, and the second terminal device receives the DRB configuration information, and determines the first terminal based on the DRB configuration information. The corresponding DRB related configuration after the service of the device is converted.

In some embodiments, the DRB configuration information includes at least one of the following:

The first DRB identification information, SDAP configuration information, PDCP configuration information or RLC configuration information.

Wherein, the first DRB identification information includes at least one DRB identification, and the first DRB identification information is a new DRB identification configured by the network device for the service in which the service conversion occurs, and is used for the second terminal device to transmit the service corresponding to the service in which the service conversion occurs data.

The RLC configuration information includes the mapping relationship between the first logical channel identifier and the first DRB identifier information, that is, indicates the DRB identifier corresponding to each logical channel identifier. The first logical channel identifier is a new logical channel identifier configured by the network device for the service where the service conversion occurs.

In some embodiments, the DRB configuration information includes the second DRB identification information used by the first terminal device before the service conversion occurs.

Wherein, the second DRB identification information is the DRB identification used by the corresponding service in the first terminal device before the service conversion occurs.

Based on the first DRB identification information included in the DRB configuration information and the second DRB identification information used by the first terminal device before the service conversion, the second terminal device determines that there is an association between the first DRB identification and the second DRB identification , in this way, the second terminal device can know the association relationship between the configurations before the service conversion and after the service conversion, so as to facilitate the data continuity control after the service conversion.

In some embodiments, the DRB configuration information includes identification information of the second logical channel used by the first terminal device before the service switching occurs. Wherein, the second logical channel identification information is the logical channel identification used by the corresponding service in the first terminal device before the service conversion occurs.

Based on the first logical channel identification information included in the RLC configuration information in the DRB configuration information and the second logical channel identification used by the first terminal device before the service conversion, the second terminal device determines that there is an association relationship between the two, and at the same time According to the mapping relationship between the first logical channel identifier and the first DRB identifier information, establish the mapping relationship between the second logical channel identifier and the first DRB identifier information, so that the second terminal device can know the service conversion The relationship between configuration before and after business conversion facilitates data continuity control after business conversion. Wherein, the second logical channel identifier is configured before the service conversion, and the first DRB identifier information is configured after the service conversion.

In some embodiments, the DRB configuration information is carried on dedicated signaling.

It should be noted that the DRB configuration information in the above embodiments includes the DRB identifier (second DRB identifier) or logical channel identifier (second logical channel identifier) corresponding to the service before the service conversion occurs. If the corresponding DRB resource used before the service conversion Different from the corresponding DRB resources used after the service conversion, the association relationship between the DRB identification information corresponding to the service before the service conversion and the DRB identification information corresponding to the service after the service conversion needs to be configured through the DRB configuration information. And/or, the association relationship between the logical channel identification information corresponding to the service before the service conversion and the logical channel identification information corresponding to the service after the service conversion is configured through the DRB configuration information. The advantage of this is that even if the resource identifiers before and after the service conversion are different, the continuity of data transmission before and after the service conversion can be guaranteed because the resource association relationship is determined before and after the service conversion.

For example, if the service that undergoes service conversion is PDU session 1, the corresponding resources used before the service conversion are DRB1, DRB2, and DRB3, and the resources used after the service corresponding to PDU session 1 is converted to the second terminal device are DRB4, DRB5, and DRB4. DRB6, the DRB configuration information is shown in Table 1:

Table 1

According to the DRB configuration information, the second terminal device can determine the DRB used by PDU session 1 before the service conversion and the corresponding DRB used after the service conversion, and then according to the DRB configuration information, transmit the received L2 status report to Corresponding to the PDCP entity corresponding to the DRB.

It should be noted that, after receiving the L2 status report, the second terminal device sends the L2 status report to the PDCP entity corresponding to the DRB after performing the service conversion based on the DRB configuration information according to the DRB granularity; or, according to the SDAP granularity, sends the L2 status report to the PDCP entity performing the service conversion The corresponding SDAP entity sends an L2 status report; or, according to the granularity of the RLC entity, sends an L2 status report to the corresponding RLC entity after performing the service conversion; or, according to the granularity of the MAC entity, sends an L2 status report to the corresponding MAC entity after performing the service conversion Report.

For example, taking the DRB configuration information shown in Table 1, the L2 status report is a PDCP status report as an example. The PDCP status report corresponding to the first terminal device DRB1 is transmitted to the PDCP entity corresponding to the second terminal device DRB4. The first terminal device The PDCP status report corresponding to DRB2 is transmitted to the PDCP entity corresponding to the second terminal device DRB5, and the PDCP status report corresponding to the first terminal device DRB3 is transmitted to the PDCP entity corresponding to the second terminal device DRB6, so as to realize the service data of DRB granularity after service conversion Continuity of transmission.

The method of matching L2 status reports before and after service conversion using logical channels is similar to the above-mentioned method of matching L2 status reports before and after service conversion using DRB identifiers. The final effect is that the L2 status report corresponding to the first terminal device before service conversion follows the report. The granularity is passed to the L2 entity corresponding to the second terminal device after the service conversion, which will not be repeated here.

It should be noted that, according to different granularities, the second terminal device sends the L2 status report to the corresponding L2 entity after the service conversion is similar to the above-mentioned method of sending the L2 status report to the PDCP entity corresponding to the DRB after the service conversion according to the DRB granularity. This will not be repeated here.

It should be noted that the foregoing embodiments may be split or combined freely, and the present application does not limit the split or combination of the embodiments.

Fig. 8 shows a block diagram of a service control device provided in an exemplary embodiment of the present application. The device is set in a terminal device, and the device includes:

The sending module 801 is configured to send an L2 status report to the target device when the current status satisfies the reference condition, and the L2 status report is used to control the transmission of service data during service conversion between the first terminal device and the second terminal device Continuity, the reference condition is used to indicate service switching between the first terminal device and the second terminal device.

In some embodiments, reference conditions include at least one of the following:

Receiving the first instruction information sent by the network device, the first instruction information is used to control the first terminal device to perform service conversion; or,

receiving second indication information sent by the second terminal device; or,

Trigger a business conversion event.

In some embodiments, the second indication information is used to trigger the first terminal device to send a service conversion request to the second terminal device, or,

The second indication information is used to respond to the service conversion request sent by the first terminal device; or,

The second indication information is used to notify the first terminal device that the service conversion is successful.

In some embodiments, the second indication information is a non-access stratum message or an access stratum message.

The first terminal device receives a first request message sent by a target layer, where the target layer is a non-access layer or an application layer, and the first request message is used to instruct the first terminal device to perform service conversion;

A radio link failure occurs on the first terminal device;

A wireless link failure occurs on the first terminal device and wireless link re-establishment fails;

The number of wireless link failures of the first terminal device within the time window exceeds a first threshold;

The interval between two consecutive wireless link failures occurring on the first terminal device is not greater than the second threshold;

The serving cell measurement result of the first terminal device is not greater than a third threshold;

The serving cell measurement result of the first terminal device is not greater than the fourth threshold and lasts for a first duration;

The first terminal device is in a state of camping on any cell;

The first terminal device is in the state of selecting any cell selection;

The quality of service QoS measurement result of the first terminal device does not meet the QoS requirement;

The QoS measurement result of the first terminal device does not meet the QoS requirement and lasts for a second duration;

The first terminal device searches for at least one terminal device capable of service switching.

Data transmission bit error rate;

data transmission delay;

data transfer rate.

system broadcast messages; or,

dedicated signaling; or,

The default value.

In some embodiments, the L2 status report includes at least one of the following:

SDAP status report;

PDCP status report;

RLC status report;

MAC status report.

In some embodiments, the L2 status report includes service conversion information, and the service conversion information includes at least one of the following:

Data radio bearer DRB identifier, protocol data unit PDU session identifier, QoS flow identifier or logical channel identifier.

In some embodiments, the target device is a second terminal device or a network device;

Wherein, the first terminal device is different from the second terminal device.

It should be noted that, when realizing the functions of the device provided by the above-mentioned embodiments, the division of the above-mentioned functional modules is used as an example for illustration. In practical applications, the above-mentioned function allocation can be completed by different functional modules according to the needs. The internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In addition, the device provided by the above embodiment and the method embodiment belong to the same idea, and its specific implementation process is detailed in the method embodiment, and will not be repeated here.

Fig. 9 shows a block diagram of a service control device provided in an exemplary embodiment of the present application, the device is set in the second terminal device, and the device includes:

The receiving module 901 is configured to receive the L2 status report sent by the first terminal device, and the L2 status report is used to control the continuity of service data transmission during service conversion between the first terminal device and the second terminal device;

The sending module 902 is configured to send an L2 status report to the network device.

In some embodiments, the sending module 902 is configured to send the second indication information to the first terminal device.

In some embodiments, the sending module 902 is configured to send the L2 status report to the network device when it is determined that the L2 status report sent by the first terminal device is successfully received.

In some embodiments, the sending module 902 is configured to send the L2 status report to the network device when the third indication information sent by the network device is received, and the third indication information is used to trigger the reporting of the L2 status report.

In some embodiments, the third indication information sent by the network device is carried in a system broadcast message, or the third indication information sent by the network device is carried in dedicated signaling.

In some embodiments, the receiving module 901 is configured to receive DRB configuration information sent by the network device, where the DRB configuration information is used to configure DRB-related configurations corresponding to services.

Wherein, the first DRB identifier is a DRB identifier configured by the network device for the service after the service conversion occurs.

In some embodiments, the DRB configuration information includes second DRB identification information corresponding to the service in which the service conversion occurs; the second DRB identification information is the DRB identification used by the corresponding service in the first terminal device before the service conversion occurs.

In some embodiments, the DRB configuration information includes logical channel identification information corresponding to the service in which the service conversion occurs; the logical channel identification information is the logical channel identification used by the corresponding service in the first terminal device before the service conversion occurs.

SDAP status report;

PDCP status report;

RLC status report;

MAC status report.

DRB ID, PDU session ID, QoS flow ID or logical channel ID.

In some embodiments, the sending module 902 is configured to send the L2 status report to the PDCP entity corresponding to the DRB after performing the service conversion according to the DRB granularity; or,

According to the SDAP granularity, sending the L2 status report to the corresponding SDAP entity after performing the service conversion; or,

According to the RLC entity granularity, send the L2 status report to the corresponding RLC entity after performing the service conversion; or,

According to the granularity of the MAC entity, the L2 status report is sent to the corresponding MAC entity after performing the service conversion.

It should be noted that, when realizing the functions of the device provided by the above-mentioned embodiments, the division of the above-mentioned functional modules is used as an example for illustration. In practical applications, the above-mentioned function allocation can be completed by different functional modules according to the needs. The internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In addition, the device and the method embodiment provided by the above embodiment belong to the same idea, and the specific implementation process thereof is detailed in the method embodiment, and will not be repeated here.

FIG. 10 shows a block diagram of a service control device provided in an exemplary embodiment of the present application. The device is set in a network device, and the device includes:

The receiving module 1001 is configured to receive the L2 status report sent by the first terminal device or the second terminal device, and the L2 status report is used to control the continuity of service data transmission during service conversion between the first terminal device and the second terminal device .

In some embodiments, the L2 status report is sent by the first terminal device to control the first terminal device to perform service switching when receiving the first indication information sent by the network device.

In some embodiments, referring to FIG. 11 , the device further includes:

The sending module 1002 is configured to send DRB configuration information to the second terminal device, where the DRB configuration information is used to configure DRB-related configurations corresponding to services.

In some embodiments, the L2 status report is sent by the second terminal device upon determining that the L2 status report sent by the first terminal device has been successfully received.

In some embodiments, the L2 status report is sent by the second terminal device upon receiving the third indication information sent by the network device.

SDAP status report;

PDCP status report;

RLC status report;

MAC status report.

DRB ID, PDU session ID, QoS flow ID or logical channel ID.

FIG. 12 shows a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application. The communication device includes: a processor 1201 , a receiver 1202 , a transmitter 1203 , a memory 1204 and a bus 1205 .

The processor 1201 includes one or more processing cores, and the processor 1201 executes various functional applications and information processing by running software programs and modules.

The receiver 1202 and the transmitter 1203 can be realized as a communication component, and the communication component can be a communication chip.

The memory 1204 is connected to the processor 1201 through the bus 1205 .

The memory 1204 may be used to store at least one program code, and the processor 1201 is used to execute the at least one program code, so as to implement various steps in the foregoing method embodiments.

In addition, the communication device may be a first terminal device, a second terminal device or a network device. Memory 1204 can be realized by any type of volatile or nonvolatile storage device or their combination, and volatile or nonvolatile storage device includes but not limited to: magnetic disk or optical disk, EEPROM (Electrically Erasable Programmable Read Only Memory , Electrically Erasable Programmable Read Only Memory), EPROM (Erasable Programmable Read Only Memory, Erasable Programmable Read Only Memory), SRAM (Static Random Access Memory, Static Random Access Memory), ROM (Read Only Memory, Read-only memory), magnetic memory, flash memory, programmable read-only memory (Programmable Read Only Memory, PROM).

In an exemplary embodiment, a computer-readable storage medium is also provided, and executable program code is stored in the readable storage medium, and the executable program code is loaded and executed by a processor to implement the implementation of each of the above methods. The example provides a service control method executed by a communication device.

In an exemplary embodiment, a chip is provided, the chip includes a programmable logic circuit and/or program instructions, and when the chip is run on a terminal device or a network device, it is used to implement the method provided in each method embodiment. business control method.

In an exemplary embodiment, a computer program product is provided, and when the computer program product is executed by a processor of a terminal device or a network device, it is used to implement the service control method provided by each method embodiment above.

Those of ordinary skill in the art can understand that all or part of the steps for implementing the above embodiments can be completed by hardware, and can also be completed by instructing related hardware through a program. The program can be stored in a computer-readable storage medium. The above-mentioned The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, and the like.

The above are only optional embodiments of the application, and are not intended to limit the application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the application shall be included in the protection of the application. within range.

Claims

A service control method, characterized in that it is applied to a first terminal device, and the method includes:

In the case that the current state satisfies the reference condition, a layer 2 L2 state report is sent to the target device, and the L2 state report is used to control the transmission of service data during service conversion between the first terminal device and the second terminal device Continuity, the reference condition is used to indicate service switching between the first terminal device and the second terminal device.
The method according to claim 1, wherein the reference conditions include at least one of the following:

receiving first indication information sent by a network device, where the first indication information is used to control the first terminal device to perform service conversion; or,

receiving second indication information sent by the second terminal device; or,

Trigger a business conversion event.
The method according to claim 2, wherein the first indication information is carried in a system broadcast message or dedicated signaling.
The method according to claim 2, wherein the second indication information is used to trigger the first terminal device to send a service conversion request to the second terminal device, or,

The second indication information is used to respond to the service conversion request sent by the first terminal device; or,

The second indication information is used to notify the first terminal device that the service conversion is successful.
The method according to any one of claims 2 or 4, wherein the second indication information is a non-access stratum message or an access stratum message.
The method according to claim 2, wherein the service conversion event includes at least one of the following:

The first terminal device receives a first request message sent by a target layer, where the target layer is a non-access layer or an application layer, and the first request message is used to instruct the first terminal device to perform service conversion;

A wireless link failure occurs on the first terminal device;

The first terminal device has a wireless link failure and the wireless link re-establishment fails;

The number of wireless link failures of the first terminal device within the time window exceeds a first threshold;

The interval between two consecutive wireless link failures occurring on the first terminal device is not greater than a second threshold;

The serving cell measurement result of the first terminal device is not greater than a third threshold;

The serving cell measurement result of the first terminal device is not greater than a fourth threshold and lasts for a first duration;

The first terminal device is in a state of camping on any cell;

The first terminal device is in the state of selecting any cell any cell selection;

The quality of service QoS measurement result of the first terminal device does not meet the QoS requirement;

The QoS measurement result of the first terminal device does not meet the QoS requirement and lasts for a second duration;

The first terminal device searches for at least one terminal device capable of service switching.
The method according to claim 6, wherein the QoS requirements include at least one of the following:

Data transmission bit error rate;

data transmission delay;

data transfer rate.
The method according to claim 6, wherein one of the first threshold, the second threshold, the third threshold, the fourth threshold, the first duration or the second duration is At least one item is configured in at least one of the following ways:

system broadcast messages; or,

dedicated signaling; or,

The default value.
The method according to any one of claims 1 to 8, wherein the L2 status report includes at least one of the following:

Service Data Adaptation Protocol SDAP Status Report;

Packet Data Convergence Protocol PDCP status report;

Radio link control RLC status report;

Media Access Control MAC Status Report.
The method according to any one of claims 1 to 9, wherein the L2 status report includes service conversion information, and the service conversion information includes at least one of the following:

Data radio bearer DRB identifier, protocol data unit PDU session identifier, QoS flow identifier or logical channel identifier.
The method according to any one of claims 1 to 10, wherein the L2 status report is carried in a non-access stratum message, or the L2 status report is carried in an access stratum message.
The method according to any one of claims 1 to 11, wherein the target device is a second terminal device or a network device;

Wherein, the first terminal device is different from the second terminal device.
A service control method, characterized in that it is applied to a second terminal device, the method comprising:

receiving an L2 status report sent by the first terminal device, where the L2 status report is used to control the continuity of service data transmission during service conversion between the first terminal device and the second terminal device;

sending the L2 status report to the network device.
The method according to claim 13, wherein before receiving the L2 status report sent by the first terminal device, the method further comprises:

Sending second indication information to the first terminal device.
The method according to claim 14, wherein the second indication information is used to trigger the first terminal device to send a service conversion request to the second terminal device, or,

The second indication information is used to respond to the service conversion request sent by the first terminal device; or,

The second indication information is used to notify the first terminal device that the service conversion is successful.
The method according to claim 13, wherein the sending the L2 status report to the network device comprises:

If it is determined that the L2 status report sent by the first terminal device is successfully received, the L2 status report is sent to the network device.
The method according to claim 13, wherein the sending the L2 status report to the network device comprises:

When the third indication information sent by the network device is received, the L2 status report is sent to the network device, where the third indication information is used to trigger reporting of the L2 status report.
The method according to claim 17, wherein the third indication information sent by the network device is carried in a system broadcast message, or the third indication information sent by the network device is carried in a dedicated signaling.
The method according to claim 13, wherein before sending the L2 status report to the network device, the method further comprises:

Receive DRB configuration information sent by the network device, where the DRB configuration information is used to configure DRB-related configurations corresponding to the service.
The method according to claim 19, wherein the DRB configuration information includes at least one of the following:

The first DRB identification information, SDAP configuration information, PDCP configuration information or RLC configuration information;

Wherein, the first DRB identifier is a DRB identifier configured by the network device for the service after the service conversion occurs.
The method according to any one of claims 19 or 20, wherein the DRB configuration information includes the second DRB identification information corresponding to the service where the service conversion occurs; the second DRB identification information is the corresponding DRB before the service conversion occurs. The DRB identifier used by the service on the first terminal device.
The method according to any one of claims 19 or 20, wherein the DRB configuration information includes logical channel identification information corresponding to the service where the service conversion occurs; the logical channel identification information is the corresponding service before the service conversion occurs. A logical channel identifier used by the first terminal device.
The method according to any one of claims 19 to 22, wherein the DRB configuration information is carried in dedicated signaling.
The method according to any one of claims 13 to 23, wherein the L2 status report includes at least one of the following:

SDAP status report;

PDCP status report;

RLC status report;

MAC status report.
The method according to any one of claims 13 to 24, wherein the L2 status report includes service conversion information, and the service conversion information includes at least one of the following:

Data radio bearer DRB identifier, protocol data unit PDU session identifier, QoS flow identifier or logical channel identifier.
The method according to any one of claims 13 to 25, wherein the L2 status report is carried in a non-access stratum message, or the L2 status report is carried in an access stratum message.
The method according to any one of claims 13 to 26, wherein after receiving the L2 status report sent by the first terminal device, the method further comprises:

According to the DRB granularity, send the L2 status report to the PDCP entity corresponding to the DRB after performing the service conversion; or,

According to the SDAP granularity, sending the L2 status report to the corresponding SDAP entity after performing the service conversion; or,

According to the RLC entity granularity, send the L2 status report to the corresponding RLC entity after performing the service conversion; or,

According to the granularity of the MAC entity, the L2 status report is sent to the corresponding MAC entity after performing the service conversion.
A service control method, characterized in that it is applied to a network device, the method comprising:

Receive an L2 status report sent by the first terminal device or the second terminal device, where the L2 status report is used to control the continuity of service data transmission during service switching between the first terminal device and the second terminal device.
The method according to claim 28, wherein the L2 status report is sent by the first terminal equipment upon receiving the first indication information sent by the network equipment, and the first indication information is sent by to control the first terminal device to perform service conversion.
The method according to claim 29, wherein the first indication information is carried in a system broadcast message or dedicated signaling.
The method according to claim 28, wherein before receiving the L2 status report sent by the first terminal device or the second terminal device, the method further comprises:

Sending DRB configuration information to the second terminal device, where the DRB configuration information is used to configure DRB-related configurations corresponding to the service.
The method according to claim 31, wherein the DRB configuration information includes at least one of the following:

The first DRB identification information, SDAP configuration information, PDCP configuration information or RLC configuration information;

Wherein, the first DRB identifier is a DRB identifier configured by the network device for the service after the service conversion occurs.
The method according to any one of claims 31 or 32, wherein the DRB configuration information includes the second DRB identification information corresponding to the service where the service conversion occurs; the second DRB identification information is the corresponding DRB before the service conversion occurs. The DRB identifier used by the service on the first terminal device.
The method according to any one of claims 31 or 32, wherein the DRB configuration information includes logical channel identification information corresponding to the service where the service conversion occurs; the logical channel identification information is the corresponding service before the service conversion occurs. A logical channel identifier used by the first terminal device.
The method according to any one of claims 31 to 34, wherein the DRB configuration information is carried on dedicated signaling.
The method according to claim 28, wherein the L2 status report is sent by the second terminal device when it is determined that the L2 status report sent by the first terminal device is successfully received.
The method according to claim 28, wherein the L2 status report is sent by the second terminal device upon receiving the third indication information sent by the network device.
The method according to claim 28, wherein the L2 status report includes at least one of the following:

SDAP status report;

PDCP status report;

RLC status report;

MAC status report.
The method according to any one of claims 28 to 38, wherein the L2 status report includes service conversion information, and the service conversion information includes at least one of the following:

DRB ID, PDU session ID, QoS flow ID or logical channel ID.
The method according to any one of claims 28 to 39, wherein the L2 status report is carried in a non-access stratum message, or the L2 status report is carried in an access stratum message.
A service control device, characterized in that it is set in a first terminal device, and the device includes:

A sending module, configured to send an L2 status report to the target device when the current status satisfies the reference condition, and the L2 status report is used to control services during service conversion between the first terminal device and the second terminal device For continuity of data transmission, the reference condition is used to indicate service switching between the first terminal device and the second terminal device.
The device according to claim 41, wherein the reference conditions include at least one of the following:

receiving first indication information sent by a network device, where the first indication information is used to control the first terminal device to perform service conversion; or,

receiving second indication information sent by the second terminal device; or,

Trigger a business conversion event.
The device according to claim 42, wherein the first indication information is carried in a system broadcast message or dedicated signaling.
The apparatus according to claim 42, wherein the second indication information is used to trigger the first terminal device to send a service conversion request to the second terminal device, or,

The second indication information is used to respond to the service conversion request sent by the first terminal device; or,

The second indication information is used to notify the first terminal device that the service conversion is successful.
The device according to any one of claims 42 or 44, wherein the second indication information is a non-access stratum message or an access stratum message.
The device according to claim 42, wherein the service conversion event includes at least one of the following:

The first terminal device receives a first request message sent by a target layer, where the target layer is a non-access layer or an application layer, and the first request message is used to instruct the first terminal device to perform service conversion;

A wireless link failure occurs on the first terminal device;

The first terminal device has a wireless link failure and the wireless link re-establishment fails;

The number of wireless link failures of the first terminal device within the time window exceeds a first threshold;

The interval between two consecutive wireless link failures occurring on the first terminal device is not greater than a second threshold;

The serving cell measurement result of the first terminal device is not greater than a third threshold;

The serving cell measurement result of the first terminal device is not greater than a fourth threshold and lasts for a first duration;

The first terminal device is in a state of camping on any cell;

The first terminal device is in the state of selecting any cell any cell selection;

The quality of service QoS measurement result of the first terminal device does not meet the QoS requirement;

The QoS measurement result of the first terminal device does not meet the QoS requirement and lasts for a second duration;

The first terminal device searches for at least one terminal device capable of service switching.
The device according to claim 46, wherein the QoS requirement includes at least one of the following:

Data transmission bit error rate;

data transmission delay;

data transfer rate.
The device according to claim 46, wherein one of the first threshold, the second threshold, the third threshold, the fourth threshold, the first duration or the second duration At least one item is configured in at least one of the following ways:

system broadcast messages; or,

dedicated signaling; or,

The default value.
The device according to any one of claims 41 to 48, wherein the L2 status report includes at least one of the following:

SDAP status report;

PDCP status report;

RLC status report;

MAC status report.
The device according to any one of claims 41 to 49, wherein the L2 status report includes service conversion information, and the service conversion information includes at least one of the following:

Data radio bearer DRB identifier, protocol data unit PDU session identifier, QoS flow identifier or logical channel identifier.
The device according to any one of claims 41 to 50, wherein the L2 status report is carried in a non-access stratum message, or the L2 status report is carried in an access stratum message.
The device according to any one of claims 41 to 51, wherein the target device is a second terminal device or a network device;

Wherein, the first terminal device is different from the second terminal device.
A service control device, characterized in that it is set in a second terminal device, and the device includes:

A receiving module, configured to receive an L2 status report sent by the first terminal device, where the L2 status report is used to control the continuity of service data transmission during service conversion between the first terminal device and the second terminal device;

A sending module, configured to send the L2 status report to the network device.
The apparatus according to claim 53, wherein the sending module is configured to send second indication information to the first terminal device.
The apparatus according to claim 54, wherein the second indication information is used to trigger the first terminal device to send a service conversion request to the second terminal device, or,

The second indication information is used to respond to the service conversion request sent by the first terminal device; or,

The second indication information is used to notify the first terminal device that the service conversion is successful.
The device according to claim 53, wherein the sending module is configured to send the L2 status report to the network device when it is determined that the L2 status report sent by the first terminal device is successfully received .
The device according to claim 53, wherein the sending module is configured to send the L2 status report to the network device when receiving the third indication information sent by the network device, the The third indication information is used to trigger the reporting of the L2 status report.
The apparatus according to claim 57, wherein the third indication information sent by the network device is carried in a system broadcast message, or the third indication information sent by the network device is carried in a dedicated signaling.
The device according to claim 53, wherein the receiving module is configured to receive the DRB configuration information sent by the network device, and the DRB configuration information is used to configure the DRB-related configuration corresponding to the service.
The device according to claim 59, wherein the DRB configuration information includes at least one of the following:

The first DRB identification information, SDAP configuration information, PDCP configuration information or RLC configuration information;

Wherein, the first DRB identifier is a DRB identifier configured by the network device for the service after the service conversion occurs.
The device according to any one of claims 59 or 60, wherein the DRB configuration information includes the second DRB identification information corresponding to the service where the service conversion occurs; the second DRB identification information is the corresponding DRB before the service conversion occurs. The DRB identifier used by the service on the first terminal device.
The device according to any one of claims 59 or 60, wherein the DRB configuration information includes logical channel identification information corresponding to the service where the service conversion occurs; the logical channel identification information is the corresponding service before the service conversion occurs. A logical channel identifier used by the first terminal device.
The device according to any one of claims 59 to 62, wherein the DRB configuration information is carried in dedicated signaling.
The device according to any one of claims 53 to 63, wherein the L2 status report includes at least one of the following:

SDAP status report;

PDCP status report;

RLC status report;

MAC status report.
The device according to any one of claims 53 to 64, wherein the L2 status report includes service conversion information, and the service conversion information includes at least one of the following:

DRB ID, PDU session ID, QoS flow ID or logical channel ID.
The device according to any one of claims 53 to 65, wherein the L2 status report is carried in a non-access stratum message, or the L2 status report is carried in an access stratum message.
The device according to any one of claims 53 to 66, wherein the sending module is configured to:

According to the DRB granularity, send the L2 status report to the PDCP entity corresponding to the DRB after performing the service conversion; or,

According to the SDAP granularity, sending the L2 status report to the corresponding SDAP entity after performing the service conversion; or,

According to the RLC entity granularity, send the L2 status report to the corresponding RLC entity after performing the service conversion; or,

According to the granularity of the MAC entity, the L2 status report is sent to the corresponding MAC entity after performing the service conversion.
A service control device is characterized in that it is set in a network device, and the device includes:

The receiving module is configured to receive the L2 status report sent by the first terminal device or the second terminal device, and the L2 status report is used to control the transmission of service data during service conversion between the first terminal device and the second terminal device continuity.
The device according to claim 68, wherein the L2 status report is sent by the first terminal equipment upon receiving the first indication information sent by the network equipment, and the first indication information uses to control the first terminal device to perform service conversion.
The device according to claim 69, wherein the first indication information is carried in a system broadcast message or dedicated signaling.
The apparatus of claim 68, further comprising:

A sending module, configured to send DRB configuration information to the second terminal device, where the DRB configuration information is used to configure DRB-related configurations corresponding to the service.
The device according to claim 71, wherein the DRB configuration information includes at least one of the following:

The first DRB identification information, SDAP configuration information, PDCP configuration information or RLC configuration information;

Wherein, the first DRB identifier is a DRB identifier configured by the network device for the service after the service conversion occurs.
The device according to any one of claims 71 or 72, wherein the DRB configuration information includes the second DRB identification information corresponding to the service where the service conversion occurs; the second DRB identification information is the corresponding DRB before the service conversion occurs. The DRB identifier used by the service on the first terminal device.
The device according to any one of claims 71 or 72, wherein the DRB configuration information includes logical channel identification information corresponding to the service where the service conversion occurs; the logical channel identification information is the corresponding service before the service conversion occurs. A logical channel identifier used by the first terminal device.
The device according to any one of claims 71 to 74, wherein the DRB configuration information is carried in dedicated signaling.
The apparatus according to claim 68, wherein the L2 status report is sent by the second terminal device when it is determined that the L2 status report sent by the first terminal device is successfully received.
The apparatus according to claim 68, wherein the L2 status report is sent by the second terminal device upon receiving the third indication information sent by the network device.
The device according to claim 68, wherein the L2 status report includes at least one of the following:

SDAP status report;

PDCP status report;

RLC status report;

MAC status report.
The device according to any one of claims 68 to 78, wherein the L2 status report includes service conversion information, and the service conversion information includes at least one of the following:

DRB ID, PDU session ID, QoS flow ID or logical channel ID.
The device according to any one of claims 68 to 79, wherein the L2 status report is carried in a non-access stratum message, or the L2 status report is carried in an access stratum message.
A terminal device, characterized in that the terminal device includes:

processor;

a transceiver connected to the processor;

memory for storing executable program code of said processor;

Wherein, the processor is configured to load and execute the executable program code to realize the service control method according to any one of claims 1-12, or to realize the service control method according to any one of claims 13-27 Control Method.
A network device, characterized in that the network device includes:

processor;

a transceiver connected to the processor;

memory for storing executable program code of said processor;

Wherein, the processor is configured to load and execute the executable program code to implement the service control method according to any one of claims 28-40.
A computer-readable storage medium, characterized in that executable program code is stored in the readable storage medium, and the executable program code is loaded and executed by a processor to implement any one of claims 1 to 40. business control methods.