CN114586405A

CN114586405A - Measurement report reporting method and device

Info

Publication number: CN114586405A
Application number: CN202080012090.XA
Authority: CN
Inventors: 刘圆圆; 陈洪强; 韩磊
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2022-06-03
Anticipated expiration: 2040-09-29
Also published as: WO2022067575A1; CN114586405B

Abstract

A method and a device for reporting a measurement report relate to the technical field of communication, and are used for reducing the probability of influencing a VOLTE service flow under the framework of NSA networking, so that a terminal can be ensured to normally carry out VOLTE voice call. The method comprises the following steps: the terminal sends or receives an INVITE message; the terminal receives measurement configuration information; the terminal suspends the sending of the measurement report before sending first indication information, wherein the first indication information is used for representing the radio bearer of the established voice service; and the terminal sends a measurement report after sending the first indication information. The method and the device are suitable for the VOLTE service process.

Description

Method and device for reporting measurement report

Technical Field

The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for reporting a measurement report.

Background

A non-independent (NSA) network uses a 4G-5G dual connectivity (EN-DC) mode to anchor a 5G New Radio (NR) control plane (control plane) to a 4G Long Term Evolution (LTE), where the 5G NR is used to carry a service of a user plane (user plane). The control plane is a channel for signaling required for transmitting and scheduling resources, and the user plane is a channel for transmitting user data.

Under NSA networking, the 5G base station attaches to the existing 4G core network, so that the construction of the 5G core network can be saved, and the 5G deployment process can be accelerated. However, due to the dual connectivity characteristic of 4G and 5G, the NSA networking is more likely to expose the problem of network compatibility than the independent (SA) networking, so that the LTE cell that can be normally used originally cannot normally provide services after the EN-DC is established.

For example, if the terminal simultaneously executes a Voice Over Long Term Evolution (VOLTE) service flow and an NR Secondary Cell Group (SCG) addition flow, the VOLTE service flow is affected due to collision of some steps in the VOLTE service flow and the NR SCG addition flow, which results in a VOLTE voice call drop phenomenon at the terminal.

Disclosure of Invention

The application provides a method and a device for reporting a measurement report, which are used for reducing the probability of the affected VOLTE service flow under the NSA networking framework, so that a terminal can be ensured to normally carry out VOLTE voice call.

In a first aspect, a method for reporting a measurement report is provided, including: the terminal transmits an INVITE message; the terminal receives measurement configuration information; the terminal suspends the sending of the measurement report before sending first indication information, wherein the first indication information is used for representing the radio bearer of the established voice service; and the terminal sends a measurement report after sending the first indication information.

Based on the technical scheme, the terminal transmits the INVITE message to indicate that the terminal is executing the VOLTE service process. When the terminal executes the VOLTE service process, the terminal receives the measurement configuration information. The terminal suspends the transmission of the measurement report before transmitting the first indication information. In this way, since the network side cannot receive the measurement report transmitted by the terminal, the network side does not transmit the SCG configuration information to the terminal, thereby avoiding the terminal from simultaneously performing the addition operation of the NR SCG and the establishment operation of the radio bearer for the voice service. Therefore, the technical scheme of the application can avoid the conflict between the adding operation of the NR SCG and the establishing operation of the radio bearer of the voice service, reduce the failure rate of the establishing of the radio bearer of the voice service and improve the success rate of the VOLTE service.

In one possible design, when the terminal is a calling terminal, the terminal transmits an INVITE message, including: and the terminal sends the INVITE message.

In one possible design, when the terminal is a called terminal, the terminal transmits an INVITE message, including: and the terminal receives the INVITE message.

In one possible design, the terminal receives measurement configuration information, including: the terminal receives a Radio Resource Control (RRC) connection reconfiguration message carrying measurement configuration information sent by an access network device.

In one possible design, the access network device supports a 4G communication system, and the measurement configuration information is used to configure the terminal to measure the NR cell.

In one possible design, the method further comprises: and the terminal receives first request information, wherein the first request information is used for requesting to establish the radio bearer of the voice service.

In one possible design, the first request information is an activated dedicated Evolved Packet System (EPS) bearer context request message, and the first indication information is an activated dedicated EPS bearer context accept message.

In one possible design, the radio bearer of the voice service is an EPS bearer with a quality of service class identifier (QCI) of 1.

In one possible design, the method further includes: the terminal receives an RRC connection reconfiguration message which is sent by the access network equipment and carries the SCG configuration information of the NR auxiliary cell group; and the terminal sends an RRC connection reconfiguration completion message to the access network equipment.

In a second aspect, a communication apparatus is provided, including: the device comprises a communication module and a processing module. The communication module is used for transmitting the INVITE message; receiving measurement configuration information; and suspending the measurement report before sending the first indication information, wherein the first indication information is used for indicating that the radio bearer of the voice service is established. The processing module is used for generating a measurement report after the first indication information is sent. The communication module is further configured to send the measurement report generated by the processing module after sending the first indication information.

In a possible design, when the communication device is a calling terminal, the communication module is specifically configured to send the INVITE message.

In one possible design, the device is specifically configured to receive the INVITE message when the communication device is a called terminal.

In a possible design, the communication module is specifically configured to receive an RRC connection reconfiguration message that is sent by an access network device and carries measurement configuration information.

In one possible design, the communication module is further configured to receive first request information, where the first request information is used to request establishment of a radio bearer for the voice service.

In a possible design, the first request information is an activate dedicated EPS bearer context request message, and the first indication information is an activate dedicated EPS bearer context accept message.

In one possible design, the radio bearer of the voice service is a DRB corresponding to a dedicated EPS bearer having a QCI ═ 1.

In a possible design, the communication module is specifically configured to receive an RRC connection reconfiguration message that is sent by the access network device and carries NR secondary cell group SCG configuration information; and sending an RRC connection reconfiguration completion message to the access network equipment.

In a third aspect, a communication device is provided, which includes a processor and a transceiver, and the processor and the transceiver are configured to implement any one of the methods provided in the first aspect. Wherein the processor is configured to perform processing actions in the respective method and the transceiver is configured to perform receiving/transmitting actions in the respective method.

In a fourth aspect, a chip is provided, comprising: processing circuitry and transceiver pins for implementing the method as provided in the first aspect above. The processing circuit is used for executing processing actions in the corresponding method, and the transceiving pin is used for executing receiving/transmitting actions in the corresponding method.

In a fifth aspect, a computer-readable storage medium is provided, which stores computer instructions that, when executed on a computer, cause the computer to perform any one of the methods provided by the first aspect.

A sixth aspect provides a computer program product carrying computer instructions which, when run on a computer, cause the computer to perform any one of the methods provided by the first aspect.

It should be noted that, for technical effects brought by any one of the designs in the second aspect to the sixth aspect, reference may be made to technical effects brought by a corresponding design in the first aspect, and details are not described herein again.

Drawings

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

fig. 2 is a schematic architecture diagram of a dual connectivity network according to an embodiment of the present application;

fig. 3 is a schematic architecture diagram of a dual connectivity network according to an embodiment of the present application;

fig. 4 is a schematic architecture diagram of a communication system according to an embodiment of the present application;

fig. 5 is a schematic diagram of a VOLTE service flow in the related art;

FIG. 6 is a schematic diagram of an NR SCG addition process in the related art;

fig. 7 is a flowchart of a measurement report reporting method according to an embodiment of the present application;

fig. 8 is a flowchart of another measurement report reporting method according to an embodiment of the present application;

fig. 9 is a flowchart of another measurement report reporting method according to an embodiment of the present application;

fig. 10 is a flowchart of another measurement report reporting method according to an embodiment of the present application;

fig. 11 is a schematic structural diagram of a communication device according to an embodiment of the present application;

fig. 12 is a schematic structural diagram of another communication device according to an embodiment of the present application.

Detailed Description

In the description of this application, "/" means "or" unless otherwise stated, for example, A/B may mean A or B. "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Further, "at least one" means one or more, "a plurality" means two or more. The terms "first", "second", and the like do not necessarily limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference.

It is noted that, in the present application, words such as "exemplary" or "for example" are used to mean exemplary, illustrative, or descriptive. Any embodiment or design described herein as "exemplary" or "such as" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present relevant concepts in a concrete fashion.

The following is a brief introduction to the terminology referred to in this application to facilitate understanding of the schemes by those skilled in the art.

1. Dual connection

In the field of wireless communication technology, in order to improve the throughput of users, a Dual Connectivity (DC) technology is introduced. The DC may support two or more base stations to simultaneously provide a data transmission service for one terminal. These base stations include a Master Node (MN) and one or more Secondary Nodes (SNs).

The main node is connected with a Core Network (CN) through an S1/NG interface. The main node and the core network at least comprise control plane connection and user plane connection. The S1 interface includes S1-U/NG-U and S1-C/NG-C. Wherein S1-U/NG-U represents user plane connection and S1-C/NG-C represents control plane connection.

The secondary node may or may not have a user plane connection with the core network. When the secondary node does not have user plane connection with the core network, the data of the terminal may be shunted to the secondary node by the primary node on a Packet Data Convergence Protocol (PDCP) layer. The primary node may also be referred to as a primary base station or primary access network device, and the SN may also be referred to as a secondary base station or secondary access network device.

In a dual connectivity scenario, a primary node manages a primary cell (PCell). The primary cell refers to a cell which is deployed at a primary frequency point and is accessed in a process that a terminal initiates an initial connection establishment process or an RRC connection reestablishment process, or a cell which is indicated as a primary cell in a switching process.

Further, the primary node may manage one or more secondary cells (scells) in addition to the primary cell. The cells providing services for the terminal under the master node, such as the master cell and the secondary cells under the master node, may be collectively referred to as a Master Cell Group (MCG).

The secondary node manages a primary secondary cell (PSCell). The primary and secondary cells may be cells accessed in the process of initiating random access to the secondary node by the terminal, or cells on another secondary node where the terminal skips over the process of initiating data transmission in the process of changing the secondary node, or cells on the secondary node accessed in the process of initiating random access in the process of executing a synchronous reconfiguration process.

Further, the secondary node may manage one or more secondary cells in addition to the primary and secondary cells. The cells serving the terminal on the secondary node, such as the primary and secondary cells and the secondary cells on the secondary node, may be collectively referred to as SCG.

For convenience of description, in the NR protocol, a primary cell and a primary secondary cell are collectively referred to as a special cell (SpCell).

In the embodiment of the present application, the terminal is a device having a wireless transceiving function. The terminal can be deployed on land, including indoors or outdoors, hand-held or vehicle-mounted; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal may be a User Equipment (UE). Wherein the UE comprises a handheld device, an in-vehicle device, a wearable device, or a computing device with wireless communication capabilities. Illustratively, the UE may be a mobile phone (mobile phone), a tablet computer, or a computer with wireless transceiving function. The terminal may also be a Virtual Reality (VR) terminal, an Augmented Reality (AR) terminal, a wireless terminal in industrial control, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, a wireless terminal in smart grid, a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and so on. In the embodiment of the present application, the apparatus for implementing the function of the terminal may be the terminal, or may be an apparatus capable of supporting the terminal to implement the function, such as a chip system. In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.

The primary and secondary nodes may be collectively referred to as network devices. The network devices include, but are not limited to: an Access Point (AP) in a wireless fidelity (WiFi) system, such as a home gateway, a router, a server, a switch, a bridge, etc., an evolved Node B (eNB), a Radio Network Controller (RNC), a Node B (NB), a Base Station Controller (BSC), a Base Transceiver Station (BTS), a home base station (e.g., home evolved Node B, or home Node B, HNB), a Base Band Unit (BBU), a wireless relay Node, a wireless backhaul Node, a transmission point (transmission and reception point, TRP or transmission point, etc.), and may also be 5G, such as trptp, or TP, in a new air interface (new NR) system, an antenna panel or panels in a group of antennas including one or more antennas (5G) in the system, alternatively, the network node may also be a network node forming a gNB or a transmission point, such as a baseband unit (BBU), a Distributed Unit (DU), a roadside unit (RSU) with a base station function, or the like.

In the embodiment of the present application, the network device may adopt a Centralized Unit (CU) -DU architecture. That is, the network device may be composed of a CU and at least one DU. In this case, part of the functions of the network device are deployed on the CU, and another part of the functions of the network device are deployed on the DU. The CU and DU are divided according to the function of the protocol stack. As an implementation manner, a CU is deployed with an RRC layer, a Packet Data Convergence Protocol (PDCP) layer, and a Service Data Adaptation Protocol (SDAP) layer in a protocol stack; the DU is deployed with a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a physical layer (PHY) in a protocol stack. Thus, the CU has the processing capabilities of RRC, PDCP, and SDAP. The DU has the processing capabilities of RLC, MAC and PHY. It is understood that the above division of functions is only an example, and does not constitute a limitation on CUs and DUs. That is to say, there may be other function splitting manners between the CU and the DU, which are not described herein again in this embodiment of the present application.

The dual connectivity network may have various implementation manners according to the communication systems supported by the primary node and the secondary node, which will be described below as an example.

As shown in FIG. 1, it is a schematic diagram of LTE-NR Dual Connectivity (E-UTRA-NR Dual Connectivity, EN-DC) network. The EN-DC network is a dual connection of a 4G radio access network with a 5G NR, with an LTE base station (LTE eNB) as MN and an NR base station (NR gbb) as SN. As shown in fig. 1 (a), an S1 interface exists between an LTE eNB and an Evolved Packet Core (EPC) of an LTE system, and there is at least a control plane connection and may also be a user plane connection. As shown in fig. 1 (b), there is an S1-U interface between NR gNB and EPC, i.e. only user plane connections are possible.

FIG. 2 is a schematic diagram of an NR-LTE Dual Connectivity (NE-DC) network. The NE-DC Network is a dual connection of a 4G radio access Network under a 5G Core Network with a 5G NR, an NR base station (gNB) as MN, an LTE base station (ng-eNB) as SN, and both MN and SN are connected to the 5G Core Network (5th Generation Core Network, 5 GC). As shown in fig. 2 (a), an NG interface exists between the gNB and the 5GC, a control plane connection and a user plane connection can be established for the terminal, and the NG-eNB sends user plane data to the 5GC through the gNB. As shown in (b) of fig. 2, an NG-U interface exists between the NG-eNB and the 5GC, a user plane connection is established only for the terminal, and the NG-eNB directly transmits user plane data to the 5 GC.

FIG. 3 is a schematic diagram of a LTE-NR Dual Connectivity (NGEN-DC) network as a 5G core network. The NGEN-DC network is a dual connection of a 4G radio access network under a 5G core network and a 5G NR, an LTE base station (ng-eNB) is used as MN, an NR base station (gNB) is used as SN, and both MN and SN are connected with 5 GC. As shown in fig. 3 (a), an NG interface exists between the NG-eNB and the 5GC, a control plane connection and a user plane connection can be established for the terminal, and the gNB transmits user plane data to the 5GC through the NG-eNB. As shown in fig. 3 (b), an NG-U interface exists between the gNB and the 5GC, a user plane connection is established only for the terminal, and the gNB directly transmits user plane data to the 5 GC.

In the dual connectivity network shown in fig. 1 to fig. 3, instead of establishing a user plane connection, the SN and the core network may transmit Data through the MN, for example, in a downlink direction, Data of the terminal first arrives at the MN, and the MN shunts the Data of the terminal to the SN in a PDCP layer, where the form of the shunted Data is, for example, a PDCP Protocol Data Unit (PDU).

2. EPS bearer

After the UE attaches to the LTE network, before the UE initiates an IMS registration procedure and a subsequent IMS session procedure, a corresponding EPS bearer (bearer) needs to be established on the LTE network side. The EPS bearer is used for transmitting IMS SIP signaling messages and user voice data packets.

One EPS bearer consists of an evolved radio access bearer (E-RAB) and an S5 interface bearer (S5 bearer). The E-RAB, in turn, is composed of Radio Bearer (RB) of the air interface (Uu) and S1 interface bearer (S1 beaerer).

The RB of the Uu interface may be further divided into a Signaling Radio Bearer (SRB) and a Data Radio Bearer (DRB).

SRBs can be classified into the following 3 classes:

(1) SRB 0: established on a Common Control Channel (CCCH) for transmitting RRC layer signaling messages.

(2) SRB 1: the Dedicated Control Channel (DCCH) is established on, and is mainly used for transmitting RRC layer signaling messages, and NAS layer messages can also be transmitted together with RRC layer signaling messages in an embedded manner.

(3) SRB 2: after the security mode is completed, the NAS message is transmitted exclusively in a reliable and secure manner, established on the DCCH.

The DRB is used to carry user plane data. According to the difference of QoS, at most 8 DRBs can be established between the UE and the base station.

3、QCI

The QCI is a parameter used by the system to identify the transmission characteristics of the service data packets.

Exemplarily, as shown in table 1, the different values of QCI correspond to the meanings. One QCI mainly contains the following information: resource type (resource type), priority (priority), data delay (packet delay bucket), and packet error rate (packet error rate).

As shown in table 1, the EPS bearer may be divided into a Guaranteed Bit Rate (GBR) class bearer and a Non-GBR class bearer according to different QCIs.

GBR means that the bit rate required by the bearer can be maintained even in the case of a shortage of network resources. Therefore, the GBR-type bearer is used for traffic with high real-time requirements.

Non-GBR refers to the requirement that a bearer need to withstand a reduced bit rate in the event of network congestion. The Non-GBR type bearer is used for services with low real-time requirements.

TABLE 1

The above is an introduction of terms related to the embodiments of the present application, and the description is not repeated herein.

As shown in fig. 4, a communication system supporting VOLTE voice service provided in this embodiment of the present application may include a calling terminal, a called terminal, an access network device #1 providing service for the calling terminal, an Evolved Packet Core (EPC) network #1 providing service for the calling terminal, an internet protocol multimedia subsystem (IMS), an access network device #2 providing service for the called terminal, and an EPC #2 providing service for the called terminal.

Therein, the access network devices (e.g. access network device #1 and access network device #2 in fig. 4) are responsible for all air interface related functions, such as radio link maintenance function, radio resource management function, etc. Illustratively, the access network device may be an evolved Node B (eNodeB).

The EPC (e.g., EPC #1 and EPC #2 in fig. 4) is a core network of LTE, and includes a plurality of core network elements, such as a Mobility Management Entity (MME), a serving gateway (S-GW), and a public data network gateway (P-GW).

And the IMS is used for taking charge of functions of registration, authentication, control, routing, exchange, media negotiation, conversion and the like of the VOLTE user. The IMS includes a plurality of network elements, such as Call Session Control Function (CSCF) network elements, Home Subscriber Servers (HSS), and the like.

The following describes a VOLTE service flow between a calling terminal and a called terminal in conjunction with the communication system shown in fig. 4.

As shown in fig. 5, the VOLTE service flow includes the following steps:

s101, the calling terminal sends a request (INVITE) message to the IMS.

The INVITE message is used to indicate that the calling terminal initiates a voice session to the called terminal. The INVITE message includes the number of the calling terminal, media types and codes supported by the calling terminal, and the like.

If the calling terminal is in an idle state, the calling terminal may perform the following steps S102 to S105 in order to transmit the INVITE message and subsequent messages of the VOLTE service flow.

If the calling terminal is in the connected state, that is, the calling terminal has already established RRC connection with the access network device #1, the calling terminal may not need to execute the RRC procedure.

It should be understood that steps S102-S105 described below are optional steps. The calling terminal may select to perform some or all of the following steps S102-S105 according to its own situation.

S102, a service request (service request) procedure is executed between the calling terminal and the access network device # 1.

S103, performing an RRC procedure (procedure) between the calling terminal and the access network device # 1.

As one possible implementation, the access network device #1 sends an RRC connection setup (RRC connection setup) message to the calling terminal. After that, the originating terminal transmits an RRC connection setup complete (RRC connection setup complete) message to access network device # 1.

S104, a security procedure is executed between the calling terminal and EPC # 1.

As one possible implementation, EPC #1 sends a security mode command message to the calling terminal. Thereafter, the originating terminal transmits a security mode complete (security mode complete) message to EPC # 1.

S105, the calling terminal and the access network device #1 execute an RRC connection reconfiguration (reconfig) procedure. The RRC connection reconfiguration procedure is used to establish SRB2 and recover an EPS bearer with QCI-5.

Illustratively, the calling terminal receives an RRC connection reconfiguration (RRC connection reconfiguration) message sent by the access network device # 1. After that, the originating terminal transmits an RRC connection reconfiguration complete (RRC connection reconfiguration complete) message to access network device # 1.

Optionally, in the RRC connection reconfiguration procedure, the access network device #1 may send an RRC connection reconfiguration message to the calling terminal multiple times.

S106, the calling terminal receives the INVITE100(TRYING) message sent by the IMS. Also, IMS sends an INVITE message to EPC # 2.

Among them, the INVITE100(TRYING) message is a provisional response to the INVITE message transmitted by the calling terminal. The INVITE100(TRYING) message is used to indicate that an INVITE message transmitted by the calling terminal is in process.

It should be understood that when the called terminal is in the idle state, the communication system needs to perform the following steps S107-S111. Alternatively, when the called terminal is in the connected state, the called terminal may selectively perform a part of the following steps S107 to S111.

S107, EPC #2 transmits a paging message to the called terminal in the idle state.

And S108, executing a service request process between the called terminal and the access network equipment # 2.

And S109, performing RRC procedure between the called terminal and the access network equipment # 2.

As a possible implementation, the access network device #2 sends an RRC connection setup message to the called terminal. Thereafter, the called terminal transmits an RRC connection setup complete message to access network equipment # 2.

S110, security procedure is executed between the called terminal and EPC # 2.

As a possible implementation, EPC #2 sends a security mode command message to the called terminal; thereafter, the called terminal transmits a security mode complete message to EPC # 2.

And S111, performing RRC connection reconfiguration flow between the called terminal and the access network equipment # 2.

Wherein, the RRC connection reconfiguration procedure is used to establish an SRB2 signaling radio bearer and recover an EPS bearer with QCI of 5.

As a possible implementation manner, the called terminal receives the RRC connection reconfiguration message sent by the access network device # 2. Thereafter, the called terminal transmits an RRC connection configuration complete message to access network device # 2.

S112, the called terminal receives the INVITE message sent by EPC # 2.

S113, the called terminal sends an INVITE100 message to the IMS.

The INVITE100 message is used to indicate that the called terminal receives the INVITE message sent by EPC # 2.

And S114, the called terminal sends an INVITE 183 message to the IMS.

Wherein, the INVITE 183 message indicates that the current session (dialog) is being processed, and the INVITE 183 message includes media types and codes supported by the called terminal.

It should be understood that the called terminal starts a resource reservation (reservation) procedure of the called terminal by sending the INVITE 183 message.

And S115, an EPS bearer setup (EPS bearer setup) process is executed between the called terminal and the EPC # 2.

The EPS bear setup procedure is used to establish a dedicated EPS bearer with QCI ═ 1.

S116, an EPS bear setup process is executed between the calling terminal and EPC # 1.

The EPS bear setup procedure is used for establishing a dedicated EPS bearer with QCI ═ 1.

And S117, the calling terminal receives the INVITE 183 message sent by the IMS.

It should be understood that after the calling terminal receives the INVITE 183 message, a resource reservation procedure of the calling terminal is started.

S118, the calling terminal sends a Provisional Response Acknowledgement (PRACK) message to the IMS.

The PRACK message is used to indicate that the calling terminal confirms that the INVITE 183 message is received.

S119, the IMS sends a PRACK message to the called terminal.

S120, the called terminal sends PRACK 200 information to the IMS.

The PRACK 200 message is used to indicate that the called terminal confirms that the PRACK message is received.

S121, the IMS sends a PRACK 200 message to the calling terminal.

S122, the calling terminal sends an UPDATE message to the IMS.

Wherein the UPDATE message is used to indicate that the resource reservation procedure of the calling terminal is completed.

S123, the IMS sends an UPDATE message to the called terminal.

S124, the called terminal sends an UPDATE 200 message to the IMS.

Wherein the UPDATE 200 message is used to indicate that the resource reservation procedure of the called terminal is completed.

S125, the IMS sends an UPDATE 200 message to the calling terminal.

And S126, the called terminal sends an INVITE 180 message to the IMS.

Wherein, the INVITE 180 message is used to indicate that the called terminal rings.

S127, the IMS sends an INVITE 180 message to the calling terminal.

It will be appreciated that the calling terminal starts ringing after receiving the INVITE 180 message.

And S128, the called terminal sends an INVITE 200 message to the IMS.

Wherein, the INVITE 200 message is used to indicate that the called terminal goes off-hook.

S129, the IMS sends an INVITE 200 message to the calling terminal.

S130, the calling terminal sends an Acknowledgement (ACK) message to the IMS.

S131, the IMS sends an ACK message to the called terminal.

After the above steps are completed, a call process can be performed between the calling terminal and the called terminal.

S132, the calling terminal sends a BYE (BYE) message to the IMS.

The BYE message is used for indicating that the calling terminal is on-hook.

S133, the IMS sends a BYE message to the called terminal.

S134, the called terminal sends a BYE 200 message to the IMS.

Wherein, the BYE 200 message is used to indicate that the called terminal is on-hook.

S135, the IMS sends a BYE 200 message to the calling terminal.

S136, executing a procedure of deactivating an EPS bearer context (deactivated EPS bearer context) between the calling terminal and the IMS.

Wherein, the deactivating EPS bearer context flow is used for deactivating the dedicated EPS bearer with QCI ═ 1.

In the deactivating EPS bearer context flow, the calling terminal releases the DRB corresponding to the dedicated EPS bearer having QCI ═ 1.

It should be understood that the default EPS bearer with QCI-5 always exists on the core network side (i.e. EPC # 1). When the calling terminal enters a connected state, the EPC #1 notifies the access network device #1 to carry out SRB and DRB corresponding to the default EPS bearer configured with QCI of 5 for the calling terminal. When the calling terminal enters an idle state, the EPC #1 instructs the calling terminal to release the SRB and DRB corresponding to the default EPS bearer having QCI of 5 through the access network device # 1.

And S137, a deactivating EPS bearer context flow is executed between the called terminal and the IMS.

The above is a simple introduction of the VOLTE service flow, and specific details thereof may refer to the prior art, which is not described herein again.

Currently, in the early stage of 5G deployment, some operators choose a non-independent Networking (NSA) mode in order to save cost and quickly develop services. NSA employs the EN-DC architecture.

In the scenario of adopting the EN-DC architecture, as shown in fig. 6, the NR SCG addition flow includes the following steps:

s201, the access network equipment sends measurement configuration information to the terminal.

Wherein the measurement configuration information is carried in the RRC connection reconfiguration message. Illustratively, the measurement configuration information may be used as an NR measurement information element in the RRC connection reconfiguration information.

And the measurement configuration information is used for indicating the NR frequency point information which needs to be measured by the terminal. Optionally, the measurement configuration information may further include an NR cell list.

The measurement configuration information is further used to indicate a duration of a configuration time (time to trigger), and a measurement report reporting requirement.

It should be understood that, after step S201, the terminal performs measurement on the NR cell according to the measurement configuration information. If the measurement result of the NR cell meets the measurement report reporting requirement within the configured time, the terminal may perform the following step S202.

S202, the terminal sends a measurement report (measurement report) to the access network device.

S203, the access network equipment sends the RRC connection reconfiguration message carrying the SCG configuration information to the terminal.

After the terminal receives the SCG configuration information, the terminal establishes at least two DRB bearers. For convenience of description, one of the two DRB bearers is simply referred to as a first DRB bearer, and the other DRB bearer is simply referred to as a second DRB bearer.

Wherein the first DRB bearer belongs to a part of the EPS bearer with QCI-5, and is used to carry IMS-specific signaling. The first DRB is independent of whether the voice call is initiated or not, and is only dependent on whether the RRC enters a connected state or not.

The second DRB is used to carry data traffic.

S204, the terminal sends an RRC connection reconfiguration complete (RRC connection reconfiguration complete) message to the access network device.

Currently, the VoLTE service flow shown in fig. 5 and the NR SCG addition flow shown in fig. 6 are independent from each other, and there is a possibility that the two flows are performed simultaneously. In an external field test, it is found that when a VoLTE service flow and an NR SCG addition establishment flow are performed simultaneously, before a dedicated EPS bearer having QCI ═ 1 is not established yet, adding an SCG easily causes the context of the dedicated EPS bearer having QCI ═ 1 to be lost, thereby causing the dedicated EPS bearer having QCI ═ 1 to be established unsuccessfully, and finally causing a VoLTE voice call drop.

Wherein, adding SCG easily results in context loss of the dedicated EPS bearer with QCI ═ 1, particularly because: the terminal establishes a DRB corresponding to the dedicated EPS bearer with QCI ═ 1, which may collide with a DRB established by the terminal when adding the SCG for carrying data traffic, so that the terminal does not correctly establish a DRB corresponding to the dedicated EPS bearer with QCI ═ 1.

In order to solve the foregoing technical problem, an embodiment of the present application provides a method for reporting a measurement report. As shown in fig. 7, the method comprises the steps of:

s301, the terminal transmits the INVITE message.

The terminal may be a calling terminal or a called terminal in the VOLTE service flow.

Optionally, the INVITE message may contain a session type and at least one parameter for the call. Among them, the session type may include: voice sessions, multimedia video sessions, etc. Illustratively, the parameters for the call may be: the number of the calling terminal, the media types and codes supported by the calling terminal, etc.

Optionally, when the terminal is a calling terminal, step S301 may be specifically implemented as: the terminal sends an INVITE message.

Optionally, when the terminal is a called terminal, step S301 may be specifically implemented as: the terminal receives the INVITE message.

S302, the terminal receives the measurement configuration information sent by the first access network equipment.

The first access network equipment supports a 4G communication system. The first access network device is the access network device accessed by the terminal.

In this embodiment, the measurement configuration information is used to configure the terminal to measure the NR cell.

Illustratively, the measurement configuration information may include one or more of the following parameters: measurement objects, cell lists, reporting modes, measurement identities, event parameters, etc. The measurement object is used to indicate a Radio Access Type (RAT) that needs to be measured, such as NR, EUTRA, and the like. The cell list includes one or more cell identities. The reporting mode may be a periodic reporting mode or an event triggered reporting mode. The event parameters may include the number of events, threshold values, configuration time, etc.

Optionally, after the terminal receives the measurement configuration information, the terminal may take one of the following operations:

and operation 1, the terminal suspends the measurement of the cell until the terminal establishes the radio bearer of the voice service.

In LTE, the radio bearer for the voice service refers to a DRB corresponding to a dedicated EPS bearer having a QCI of 1.

It should be understood that, based on operation 1, the terminal may not perform the measurement operation, thereby reducing power consumption of the terminal.

And 2, the terminal measures the cell according to the measurement configuration information and stores the measurement data.

It should be understood that, based on operation 1, in the case that the terminal allows sending the measurement report, the terminal may feed back the measurement report to the first access network device according to the previously stored measurement data, so as to reduce the time delay of feeding back the measurement report.

In the embodiment of the application, in order to avoid adding a context of a radio bearer causing the loss of a voice service to the NR SCG, when the terminal does not establish the radio bearer of the voice service, the terminal suspends sending a measurement report; the terminal is allowed to send the measurement report after the terminal establishes the radio bearer for the voice service.

The terminal establishes the radio bearer of the voice service, and the method comprises the following steps: the terminal receives first request information from the first EPC, and the first request information is used for requesting to establish a radio bearer of the voice service. And the terminal establishes the context of the radio bearer of the voice service according to the first request information. And then, the terminal sends first indication information to the first EPC, wherein the first indication information is used for indicating the radio bearer of the established voice service. Wherein, the first EPC is an EPC for providing service for the terminal.

Illustratively, the transmission process of the first request message is as follows: the first EPC sends an E-RAB SETUP REQUEST (E-RAB SETUP REQUEST) to the first access network device, the E-RAB SETUP REQUEST carrying the first REQUEST information. And then, the first access network equipment sends an RRC connection reconfiguration (RRC connection reconfiguration) message to the first terminal according to the E-RAB establishment request, wherein the RRC connection reconfiguration message carries the first request information.

Illustratively, the transmission process of the first indication information is as follows: the first terminal sends an uplink information transfer (UL information transfer) message to the first access network device, where the UL information transfer message carries the first indication information. And then, the first access network equipment sends an uplink non-access transport (UL NAS transport) message carrying the first indication information to the first EPC according to the uplink information transfer message.

Alternatively, the first request message may have another name, such as an activate dedicated EPS bearer context request message (activated dedicated EPS bearer context request). The first indication information may have other names, such as an activate dedicated EPS bearer context accept message (activated dedicated EPS bearer context accept).

It should be understood that the terminal does not send the first indication message, which indicates that the terminal has not completed the establishment of the radio bearer for the voice service, and therefore the terminal performs the following step S303. The terminal sends the first indication message, which indicates that the terminal completes the establishment of the radio bearer for the voice service, so that the terminal performs the following step S304.

S303, the terminal suspends sending the measurement report before sending the first indication information.

In a possible implementation manner, the suspending sending of the measurement report by the terminal may be specifically implemented as: the terminal does not perform cell measurement and thus does not generate a corresponding measurement report, and thus the terminal does not need to transmit a measurement report.

In another possible implementation manner, the suspending sending of the measurement report by the terminal may be specifically implemented as: the terminal carries out cell measurement, but no matter whether the measurement result of the NR cell meets the reporting requirement of the measurement report or not, the terminal defaults that the measurement result of the NR cell does not meet the reporting requirement of the measurement report, so the terminal does not generate a corresponding measurement report and does not need to send the measurement report.

S304, the terminal sends the measurement report after sending the first indication information.

Wherein the measurement report includes: measurement results of one or more NR cells. For example, the measurement result of the NR cell may be a Reference Signal Receiving Power (RSRP) and/or a Reference Signal Receiving Quality (RSRQ) of the NR cell.

Optionally, the terminal performs cell measurement after sending the first indication information. Therefore, when the measurement result of the NR cell meets the measurement report reporting requirement, the terminal generates a corresponding measurement report and sends the measurement report to the first access network equipment.

Based on the embodiment shown in fig. 7, after the terminal receives or sends the INVITE message and before the terminal establishes the radio bearer of the voice service, the terminal suspends sending the measurement report, so that the network side does not trigger the terminal to perform the addition operation of the NR SCG, thereby avoiding the conflict between the addition operation of the NR SCG and the establishment operation of the radio bearer of the voice service. Therefore, the embodiment of the application is used for reducing the failure rate of the radio bearer establishment of the voice service and improving the success rate of the VOLTE service.

Optionally, on the basis of the embodiment shown in fig. 7, as shown in fig. 8, after step S304, the method may further include the following steps:

s305, the terminal receives the RRC connection reconfiguration message which is sent by the first access network equipment and carries the SCG configuration information.

It should be understood that, after the first access network device receives the measurement report sent by the terminal, the first access network device may determine, according to the measurement report, whether to add a second access network device as an auxiliary node of the terminal, where the second access network device supports a 5G standard. Under the condition that the first access network device determines to add the second access network device as an auxiliary node of the terminal, the first access network device may send an auxiliary node addition request (SgNB addition request) to the second access network device, where the auxiliary node addition request includes RRC configuration information, radio bearer configuration information, and the like. The second access network device sends a secondary node addition request acknowledgement (SgNB add request acknowledge) message to the first access network device. And the first access network equipment sends the RRC connection reconfiguration message carrying the SCG configuration information to the terminal according to the auxiliary node addition request confirmation message.

Wherein, the SCG configuration information includes SCG information to be added and NR DRB resource configuration information.

And after the terminal receives the RRC connection reconfiguration message, the terminal analyzes the RRC connection reconfiguration message to acquire the SCG configuration information. And then, the terminal determines the 5G wireless resource according to the SCG configuration information. Thus, in a subsequent step, the terminal may communicate with the second access network device on the 5G radio resource.

S306, the terminal sends RRC connection reconfiguration complete information to the first access network equipment.

In this way, the first access network device can know that the terminal completes the RRC connection reconfiguration according to the RRC connection reconfiguration message sent before, according to the RRC connection reconfiguration complete message. Accordingly, the first access network device may send a secondary node Reconfiguration complete (SgNB Reconfiguration complete) message to the second access network device.

Then, the terminal may perform a random access procedure with the second access network device, so as to achieve synchronization between the terminal and the second access network device.

Based on the embodiment shown in fig. 7, the network side may add SCG to the terminal, so that the terminal may communicate in a dual connection manner, thereby increasing the data transmission speed of the terminal.

The embodiment shown in fig. 7 is described below with reference to a specific application scenario.

Scene 1, the terminal is a calling terminal

As shown in fig. 9, a method for reporting a measurement report provided in an embodiment of the present application includes the following steps: S401-S412. Steps S401 to S404 are steps that the calling terminal in the idle state needs to execute, but are not indispensable steps of the calling terminal in the connected state.

S401 (optional), execute a service request procedure between the calling terminal and the access network device.

S402 (optional), executing RRC flow between calling terminal and access network equipment

And S403 (optional), executing a security flow between the calling terminal and the EPC.

S404 (optional), performing an RRC connection reconfiguration procedure between the calling terminal and the access network device.

S405, the calling terminal sends an INVITE message to the IMS.

S406, the calling terminal receives the INVITE100(Trying) message sent by the IMS.

S407, executing an EPS bear setup flow between the calling terminal and the EPC.

It should be understood that the EPS bear setup procedure is used to establish a radio bearer for voice traffic.

The detailed implementation of the steps S401 to S407 can refer to the prior art, and is not described herein.

In the execution of steps S4010-S407, the calling terminal may execute step S408 described below. In this case, in order to avoid affecting the VOLTE service flow, the calling terminal further performs the following steps S409 to S410.

S408, the calling terminal receives the measurement configuration information sent by the access network equipment.

S409, the calling terminal suspends sending the measurement report before sending the first indication information.

Optionally, step S409 may also be described as: and before the EPS bear setup flow is completed, the calling terminal suspends sending the measurement report.

And S410, after the calling terminal sends the first indication information, sending a measurement report.

Optionally, step S410 may also be described as: after the EPS bear setup procedure is completed, the calling terminal sends a measurement report.

S411 (optionally), the calling terminal receives the RRC connection reconfiguration message carrying the SCG configuration information sent by the access network device.

S412 (optional), the calling terminal sends an RRC connection reconfiguration complete message to the first access network device.

It should be understood that, the specific implementation of the above steps S408-S412 may refer to the relevant description in fig. 7 and fig. 8, and will not be described herein again.

Based on the embodiment shown in fig. 9, when the calling terminal executes the VOLTE service flow, and the calling terminal receives the measurement configuration information before establishing the radio bearer of the voice service, before the calling terminal sends the first indication information, the calling terminal suspends sending the measurement report, so as to avoid the conflict between the adding operation of the NR SCG and the establishing operation of the radio bearer of the voice service, thereby reducing the failure rate of establishing the radio bearer of the voice service and improving the success rate of the VOLTE service.

Scene 2, the terminal is a called terminal

As shown in fig. 10, a method for reporting a measurement report provided in the embodiment of the present application includes the following steps: S501-S514. Steps S501 to S505 are steps that the called terminal in idle state needs to execute, but are not steps that the called terminal in connected state must select.

S501 (optional), the called terminal receives a paging message from the EPC.

S502 (optional), a service request procedure is executed between the called terminal and the access network device.

S503 (optional), performing an RRC procedure between the called terminal and the access network device.

And S504 (optional), executing a security flow between the called terminal and the access network equipment.

S505 (optional), the called terminal and the access network device execute an RRC connection reconfiguration procedure.

S506, the called terminal receives the INVITE message sent by the EPC.

And S507, the called terminal sends an INVITE100 message to the IMS.

And S508, the called terminal sends an INVITE 183 message to the IMS.

And S509, executing an EPS bear setup flow between the called terminal and the EPC.

The specific implementation of the steps S501 to S509 may refer to the prior art, and is not described herein again.

In the execution of steps S501-S509, the called terminal may execute step S510 described below. In this case, in order to avoid affecting the VOLTE service flow, the called terminal further performs the following steps S511-S512.

And S510, the called terminal receives the measurement configuration information sent by the access network equipment.

S511, the called terminal suspends the sending of the measurement report before sending the first indication information.

Optionally, step S511 may also be described as: and before the EPS bear setup flow is completed, the called terminal suspends sending the measurement report.

And S512, the called terminal sends the measurement report after sending the first indication information.

Optionally, step S512 may also be described as: after completing the EPS bear setup procedure, the called terminal sends a measurement report.

S513 (optional), the called terminal receives the RRC connection reconfiguration message carrying the SCG configuration information sent by the access network device.

S514 (optional), the called terminal sends an RRC connection reconfiguration complete message to the access network device.

It should be understood that the specific implementation of the above steps S510-S514 can refer to the related description in fig. 7 and fig. 8, and will not be described herein again.

Based on the embodiment shown in fig. 10, when the called terminal executes the VOLTE service flow, the called terminal receives the measurement configuration information before establishing the radio bearer of the voice service, and then before the called terminal sends the first indication information, the called terminal suspends sending the measurement report, so as to avoid the conflict between the adding operation of the NR SCG and the establishing operation of the radio bearer of the voice service, thereby reducing the failure rate of establishing the radio bearer of the voice service and improving the success rate of the VOLTE service.

The above description mainly introduces the scheme provided in the embodiments of the present application from the perspective of the terminal. It is understood that the terminal includes corresponding hardware structures and/or software modules for performing the respective functions in order to implement the above-described functions. The elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein may be embodied in hardware or in a combination of hardware and computer software. Whether a function is performed in hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present teachings.

In the embodiment of the present application, the communication apparatus may be divided into the functional units according to the method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.

As shown in fig. 11, a communication apparatus provided in an embodiment of the present application includes a processing module 101 and a communication module 102.

The processing module 101 is configured to support the terminal to generate a message (e.g., a measurement report), parse the message (e.g., measurement configuration information), and the like. The communication module 102 is used to support the terminal to perform steps S301-S304 in fig. 7, steps S305-S306 in fig. 8, steps S401-S412 in fig. 9, and steps S501-S514 in fig. 10.

Optionally, the communication device may further comprise a storage module 103 for storing program code and data of the communication device, which may include, but is not limited to, raw data or intermediate data, etc.

The processing module 101 may be a processor or a controller, and may be, for example, a CPU, a general-purpose processor, a DSP, an ASIC, an FPGA or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. A processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, a DSP and a microprocessor, or the like.

The communication module 102 may be a communication interface, a transceiver, or a transceiver circuit, etc., wherein the communication interface is referred to as a general term, and in a specific implementation, the communication interface may include a plurality of interfaces, which may include, for example: interfaces between base stations and terminals, and/or other interfaces.

The storage module 103 may be a memory.

When the processing module 101 is a processor, the communication module 102 is a communication interface, and the storage module 103 is a memory, the communication device according to the embodiment of the present application may be as shown in fig. 12.

Referring to fig. 12, the communication apparatus includes: a processor 201, a communication interface 202, and a memory 203. Optionally, the communication device may also include a bus 204. Wherein, the communication interface 202, the processor 201 and the memory 203 may be connected to each other by a bus 204; the bus 204 may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus 204 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 12, but this is not intended to represent only one bus or type of bus.

Optionally, an embodiment of the present application further provides a computer program product carrying computer instructions, which when executed on a computer, cause the computer to perform the methods in fig. 7 to 10.

Optionally, an embodiment of the present application further provides a computer-readable storage medium, which stores computer instructions, and when the computer instructions are executed on a computer, the computer is caused to execute the method in fig. 7 to 10.

Optionally, an embodiment of the present application further provides a chip, including: processing circuitry and transceiver pins for implementing the methods of fig. 7-10 described above. The processing circuit is used for executing processing actions in the corresponding method, and the transceiving pin is used for executing receiving/transmitting actions in the corresponding method.

Those of ordinary skill in the art will understand that: in the above embodiments, the implementation may be wholly or partially realized 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 loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device including one or more available media integrated servers, data centers, and the like. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., Digital Video Disk (DVD)), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of devices. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each functional unit may exist independently, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.

Through the above description of the embodiments, those skilled in the art will clearly understand that the present application can be implemented by software plus necessary general hardware, and certainly, the present application can also be implemented by hardware, but in many cases, the former is a better implementation. Based on such understanding, the technical solutions of the present application may be substantially implemented or a part of the technical solutions contributing to the prior art may be embodied in the form of a software product, where the computer software product is stored in a readable storage medium, such as a floppy disk, a hard disk, or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods described in the embodiments of the present application.

The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and variations or substitutions within the technical scope disclosed in the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A method for reporting a measurement report, the method comprising:

the terminal transmits an INVITE message;

the terminal receives measurement configuration information;

the terminal suspends the sending of the measurement report before sending first indication information, wherein the first indication information is used for representing the radio bearer of the established voice service;

and the terminal sends the measurement report after sending the first indication information.
The method according to claim 1, wherein when the terminal is a calling terminal, the terminal transmits an INVITE message, comprising:

and the terminal sends the INVITE message.
The method of claim 1, wherein when the terminal is a called terminal, the terminal transmits the INVITE message, including:

and the terminal receives the INVITE message.
The method according to any of claims 1 to 3, wherein the terminal receives measurement configuration information, comprising:

and the terminal receives a Radio Resource Control (RRC) connection reconfiguration message which is sent by the access network equipment and carries the measurement configuration information.
The method according to any of claim 4, wherein the access network device supports a 4G communication system, and the measurement configuration information is used to configure the terminal to measure a new air interface NR cell.
The method according to any one of claims 1 to 5, further comprising:

and the terminal receives first request information, wherein the first request information is used for requesting to establish the radio bearer of the voice service.
The method of claim 6, wherein the first request message is an activate dedicated evolved packet core (EPS) bearer context request message, and wherein the first indication message is an activate dedicated EPS bearer context accept message.
The method according to claims 1 to 7, wherein the radio bearer for the voice traffic is a Data Radio Bearer (DRB) corresponding to a dedicated EPS bearer with quality of service class identity QCI-1.
The method according to any one of claims 1 to 8, further comprising:

the terminal receives an RRC connection reconfiguration message which is sent by access network equipment and carries the SCG configuration information of the NR auxiliary cell group;

and the terminal sends an RRC connection reconfiguration completion message to the access network equipment.
A communications apparatus, comprising: a communication module and a processing module;

the communication module is used for transmitting the INVITE message; receiving measurement configuration information; suspending sending of a measurement report before sending first indication information, wherein the first indication information is used for indicating that a radio bearer of the voice service is established;

the processing module is used for generating a measurement report after the first indication information is sent;

the communication module is further configured to send the measurement report generated by the processing module after sending the first indication information.
The apparatus according to claim 10, wherein the communication module is specifically configured to send the INVITE message when the communication apparatus is a calling terminal.
The apparatus of claim 10, wherein the apparatus is specifically configured to receive the INVITE message when the communication apparatus is a called terminal.
The apparatus according to any one of claims 10 to 12, wherein the communication module is specifically configured to receive a radio resource control, RRC, connection reconfiguration message that is sent by an access network device and carries measurement configuration information.
The apparatus of any of claim 13, wherein the access network device supports a 4G communication system, and the measurement configuration information is used to configure a terminal to measure an NR cell.
The apparatus according to any of claims 10 to 14, wherein the communication module is further configured to receive first request information, and the first request information is used to request to establish a radio bearer of the voice service.
The apparatus of claim 15, wherein the first request message is an activate dedicated EPS bearer context request message, and wherein the first indication message is an activate dedicated EPS bearer context accept message.
The apparatus according to claims 10 to 16, wherein the radio bearer for the voice traffic is a DRB corresponding to a dedicated EPS bearer with QCI-1.
The apparatus according to any one of claims 10 to 17, wherein the communication module is specifically configured to receive an RRC connection reconfiguration message that is sent by an access network device and carries new air interface NR auxiliary cell group SCG configuration information; and sending an RRC connection reconfiguration completion message to the access network equipment.
A communications device comprising a processor configured to perform the processing operations of the method of any of claims 1 to 9 and a communications interface configured to perform the communications operations of the method of any of claims 1 to 9.
A computer-readable storage medium comprising computer instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 9.
A computer program product, characterized in that it comprises computer instructions which, when run on a computer, cause the computer to perform the method according to any one of claims 1 to 9.
A chip, wherein the chip comprises a processing circuit and a transceiver pin; the processing circuit is configured to perform the processing operations of the method of any one of claims 1 to 9, and the transceiver pin is configured to perform the communication operations of the method of any one of claims 1 to 9.