WO2023202458A1

WO2023202458A1 - Multicast service processing method and apparatus

Info

Publication number: WO2023202458A1
Application number: PCT/CN2023/088037
Authority: WO
Inventors: 王雷; 梁靖; 周锐; 曾二林
Original assignee: 大唐移动通信设备有限公司
Priority date: 2022-04-22
Filing date: 2023-04-13
Publication date: 2023-10-26
Also published as: CN116981112A

Abstract

Provided in the present disclosure are a multicast service processing method and apparatus. The method comprises: receiving PTM transmission state indication information of a first multicast service that is sent by a base station; and processing the first multicast service on the basis of the PTM transmission state indication information of the first multicast service. By means of receiving PTM transmission state indication information of a first multicast service that is sent by a base station, and processing the first multicast service on the basis of the PTM transmission state indication information of the first multicast service, it is guaranteed that a terminal can continue to receive multicast services.

Description

Multicast service processing method and device

Cross-references to related applications

This disclosure claims priority to the Chinese patent application with application number 202210431396X and the invention title "Multicast Service Processing Method and Device" submitted on April 22, 2022, which is fully incorporated herein by reference.

Technical field

The present disclosure relates to the field of communication technology, and in particular, to a multicast service processing method and device.

Background technique

The multicast service of related technologies only supports terminal reception in the Radio Resource Control (RRC) connected state. Therefore, the base station can sense whether there is a terminal monitoring the ongoing multicast service and decide whether to turn off the multicast service on the air interface. PTM transmission. In subsequent enhancements, the multicast service may support terminal reception in the RRC idle state or inactive state, causing the base station to be unable to perceive the situation of terminals actually receiving multicast services within its coverage area, thus possibly shutting down the multicast service point to multipoint (Point To Multipoint). , PTM) transmission, causing multicast service interruption of idle or inactive terminals.

Contents of the invention

Embodiments of the present disclosure provide a multicast service processing method and device to solve the problem in the prior art that multicast services of idle or inactive terminals may be interrupted.

In the first aspect, embodiments of the present disclosure provide a multicast service processing method, applied to terminals, including:

Receive point-to-multipoint PTM transmission status indication information of the first multicast service sent by the base station;

Process the first multicast service based on the PTM transmission status indication information of the first multicast service.

Optionally, according to the multicast service processing method of an embodiment of the present disclosure, the receiving base station sends The PTM transmission status indication information of the first multicast service sent includes:

Receive the PTM transmission status indication information of the first multicast service sent by the base station through the multicast/broadcast service control channel MCCH; or,

By receiving the paging message, the PTM transmission status indication information of the first multicast service sent by the base station is obtained.

Optionally, according to the multicast service processing method of an embodiment of the present disclosure, the PTM transmission status indication information includes any of the following:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, according to the multicast service processing method of an embodiment of the present disclosure,

Processing the first multicast service based on the PTM transmission status indication information of the first multicast service includes:

Based on the PTM transmission pre-closure indication contained in the PTM transmission status indication information of the first multicast service, determine that the PTM transmission is about to be closed;

When the terminal is in the radio resource control RRC inactive state, trigger RRC connection recovery; or, when the terminal is in the RRC idle state, trigger RRC connection establishment;

Wherein, the RRC connection recovery or the RRC connection establishment is used to instruct the terminal to receive the service data of the first multicast service.

Optionally, according to the multicast service processing method according to an embodiment of the present disclosure, the method further includes:

Obtain the configuration information of the first multicast service through an RRC message;

Based on the configuration information of the first multicast service, the service data of the first multicast service is received in the connected state.

Optionally, according to the multicast service processing method according to an embodiment of the present disclosure, after triggering the RRC connection recovery or the RRC connection establishment, the method further includes:

Fall back to the RRC inactive state after triggering the RRC connection recovery; or fall back to the RRC idle state after triggering the RRC connection establishment;

Continue to receive the service data of the first multicast service in the RRC inactive state or the RRC idle state.

Receive the PTM transmission recovery indication sent by the base station;

Stop the RRC connection recovery process and fall back to the RRC inactive state; or stop the RRC connection establishment process and fall back to the RRC idle state;

In the RRC inactive state or RRC idle state, service data of the first multicast service is received.

In a second aspect, embodiments of the present disclosure also provide a multicast service processing method, which is applied to a base station, including:

Before the PTM transmission status of the first multicast service changes, the PTM transmission status indication information of the first multicast service is sent to the terminal.

Optionally, according to the multicast service processing method of an embodiment of the present disclosure, sending the PTM transmission status indication information of the first multicast service to the terminal includes:

Send the PTM transmission status indication information of the first multicast service to the terminal through the multicast/broadcast service control channel MCCH; or,

By receiving the paging message, the PTM transmission status indication information of the first multicast service is sent to the terminal. Optionally, according to the multicast service processing method of an embodiment of the present disclosure, the PTM transmission status indication information includes any of the following:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

After the terminal triggers RRC connection recovery or triggers RRC connection establishment, the configuration information of the first multicast service is sent to the terminal through an RRC message.

After the terminal triggers the RRC connection recovery, it is determined to let the terminal fall back to the RRC inactive state to receive the service data of the first multicast service; or after the terminal triggers the RRC connection establishment, it is determined to let the terminal fall back. Go to the RRC idle state to receive the service data of the first multicast service.

Send PTM transmission recovery indication.

In a third aspect, embodiments of the present disclosure also provide a terminal, including a memory, a transceiver, and a processor:

Memory, used to store computer programs; transceiver, used to send and receive data under the control of the processor; processor, used to read the computer program in the memory and perform the following operations:

Optionally, according to the terminal according to an embodiment of the present disclosure, the receiving PTM transmission status indication information of the first multicast service sent by the base station includes:

Optionally, according to the terminal according to an embodiment of the present disclosure, the PTM transmission status indication information includes any of the following:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, according to the terminal according to an embodiment of the present disclosure, processing the first multicast service based on the PTM transmission status indication information of the first multicast service includes:

Optionally, according to the terminal according to an embodiment of the present disclosure, the operation further includes:

Optionally, according to the terminal according to an embodiment of the present disclosure, after triggering the RRC connection recovery or the RRC connection establishment, the operation further includes:

Optionally, according to the terminal according to an embodiment of the present disclosure, after triggering RRC connection recovery or the RRC connection establishment, the method further includes:

Receive the PTM transmission recovery indication sent by the base station;

In a fourth aspect, embodiments of the present disclosure also provide a base station, including a memory, a transceiver, and a processor:

Optionally, according to the base station according to an embodiment of the present disclosure, sending the PTM transmission status indication information of the first multicast service to the terminal includes:

By receiving the paging message, the PTM transmission status indication information of the first multicast service is sent to the terminal.

Optionally, according to the base station according to an embodiment of the present disclosure, the PTM transmission status indication information packet Including any of the following:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, according to the base station according to an embodiment of the present disclosure, the operation further includes:

Send PTM transmission recovery indication.

In a fifth aspect, an embodiment of the present disclosure also provides a multicast service processing device, including:

The first receiving module is configured to receive the PTM transmission status indication information of the first multicast service sent by the base station;

The second receiving module is configured to process the first multicast service based on the PTM transmission status indication information of the first multicast service.

In a sixth aspect, an embodiment of the present disclosure also provides a multicast service processing device, including:

The first sending module is configured to send the PTM transmission status indication information of the first multicast service to the terminal before the PTM transmission status of the first multicast service changes.

In a seventh aspect, embodiments of the present disclosure also provide a processor-readable storage medium, the processor-readable storage medium stores a computer program, the computer program is used to cause the processor to execute the first aspect as described above. The steps of the multicast service processing method.

In an eighth aspect, embodiments of the present disclosure also provide a processor-readable storage medium, the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the second aspect as described above. The steps of the multicast service processing method.

The multicast service processing method and device provided by the embodiments of the present disclosure receive the PTM transmission status indication information of the first multicast service sent by the base station, and perform the multicast service processing based on the PTM transmission status indication information of the first multicast service. Transmit status indication information, process the first multicast service, and ensure that the terminal can continue to receive the multicast service.

Description of the drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, a brief introduction will be made below to the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description These are some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is one of the schematic flow diagrams of a multicast service processing method provided by an embodiment of the present disclosure;

Figure 2 is a second schematic flowchart of a multicast service processing method provided by an embodiment of the present disclosure;

Figure 3 is a schematic structural diagram of a terminal provided by an embodiment of the present disclosure;

Figure 4 is a schematic structural diagram of a base station provided by an embodiment of the present disclosure;

Figure 5 is one of the structural schematic diagrams of a multicast service processing device provided by an embodiment of the present disclosure;

Figure 6 is a second structural schematic diagram of a multicast service processing device provided by an embodiment of the present disclosure.

Detailed ways

In the embodiment of the present disclosure, the term "and/or" describes the association relationship of associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A exists alone, A and B exist simultaneously, and B exists alone. these three situations. The character "/" generally indicates that the related objects are in an "or" relationship.

In the embodiment of this disclosure, the term "plurality" refers to two or more than two, and other quantifiers are similar to it.

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only some of the embodiments of the present disclosure, not all of them. Based on the embodiments in this disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this disclosure.

Embodiments of the present disclosure provide multicast service processing methods and devices to ensure that terminals can continue to receive multicast services.

Among them, the method and device are based on the concept of the same application. Since the method and device solve the problem The principles are similar, so the implementation of the device and method can be referred to each other, and repeated descriptions will not be repeated.

The technical solutions provided by the embodiments of the present disclosure can be applied to a variety of systems, especially 5G systems. For example, applicable systems can be global system of mobile communication (GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, Advanced long term evolution (long term evolution advanced, LTE-A) system, universal mobile telecommunication system (UMTS), global interoperability for microwave access (WiMAX) system, 5G New Radio, NR) system, etc. These various systems include terminal equipment and network equipment. The system can also include the core network part, such as the Evolved Packet System (EPS), 5G system (5GS), etc.

The terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to users, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem, etc. In different systems, the names of terminal equipment may also be different. For example, in a 5G system, the terminal equipment may be called User Equipment (UE). Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a Radio Access Network (RAN). The wireless terminal equipment can be a mobile terminal equipment, such as a mobile phone (also known as a "cellular phone"). "Telephone) and computers with mobile terminal devices, which may be, for example, portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile devices, which exchange speech and/or data with the radio access network. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants, PDA) and other equipment. Wireless terminal equipment may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, or an access point. , remote terminal equipment (remote terminal), access terminal equipment (access terminal), user terminal equipment User terminal, user agent, and user device are not limited in the embodiments of the present disclosure.

The network device involved in the embodiment of the present disclosure may be a base station, and the base station may include multiple cells that provide services for terminals. Depending on the specific application, a base station can also be called an access point, or it can be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or it can be named by another name. Network equipment can be used to exchange received air frames with Internet Protocol (IP) packets and act as a router between the wireless terminal equipment and the rest of the access network, which can include the Internet. Protocol (IP) communication network. Network devices also coordinate attribute management of the air interface. For example, the network equipment involved in the embodiments of the present disclosure may be a network equipment (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA). ), or it can be a network device (NodeB) in a Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device in a long term evolution (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in the 5G network architecture (next generation system), or home evolved base station (Home evolved Node B, HeNB), relay node (relay node) , home base station (femto), pico base station (pico), etc., are not limited in the embodiments of the present disclosure. In some network structures, network equipment may include centralized unit (CU) nodes and distributed unit (DU) nodes. The centralized unit and distributed unit may also be arranged geographically separately.

In related technologies, multicast services are transmitted over the air interface only after the RRC connection state is established between the terminal and the base station. When the terminal decides to start monitoring a certain multicast service, the terminal will interact with the core network to perform the joining process of the multicast service. The mobility of RRC connected terminals is controlled by the base station. Therefore, in related technologies, the base station can sense whether there are terminals within its coverage area that are listening for the ongoing multicast service. If the base station finds that there is no monitoring terminal for an ongoing multicast service, the base station can decide to close the multicast service point-to-multipoint (PTM) transmission on the air interface to avoid wasting air interface resources.

The enhanced multicast service can allow terminals to receive in the RRC idle state or inactive state. If finally After the terminal enters the RRC idle state or inactive state, it decides to continue monitoring the multicast service. The base station cannot determine whether there is such a terminal in the current coverage area and is receiving the multicast service. Currently, it can only judge the reception status of a certain multicast service based on the connected terminal. This determines whether to turn off PTM transmission.

Therefore, embodiments of the present disclosure provide a multicast service processing method, device, terminal and base station.

Figure 1 is one of the schematic flow diagrams of a multicast service processing method provided by an embodiment of the present disclosure. As shown in Figure 1, an embodiment of the present disclosure provides a multicast service processing method, and the execution subject may be a terminal, such as a mobile phone, etc. . The method includes:

Step 100: Receive the PTM transmission status indication information of the first multicast service sent by the base station;

Step 110: Process the first multicast service based on the PTM transmission status indication information of the first multicast service.

Specifically, the terminal may receive the PTM transmission status indication information of the first multicast service sent by the base station, and receive the service data of the first multicast service based on the PTM transmission status indication information.

Specifically, if the base station decides whether to turn off multicast service PTM transmission based only on the terminals in the RRC connected state receiving multicast services within the current coverage area, it will cause the multicast service reception of the terminals in the RRC idle state or inactive state to be interrupted. , therefore, the base station can send PTM transmission status indication information to the terminal before preparing to close the multicast service PTM transmission, so that the terminal can receive the service data of the first multicast service based on the PTM transmission status indication information.

Optionally, the terminal may be a terminal in an idle state. By introducing the PTM transmission status indication information of the first multicast service, it is ensured that the terminal in the idle state can continue to receive the multicast service;

Optionally, the terminal may be a terminal in an inactive state. By introducing the PTM transmission status indication information of the first multicast service, it is ensured that the terminal in the inactive state can continue to receive the multicast service;

Optionally, the terminal can also be an active terminal;

The multicast service processing method provided by the embodiment of the present disclosure receives the PTM transmission status indication information of the first multicast service sent by the base station, and based on the PTM transmission status indication information of the first multicast service, processes the first multicast service. Multicast services are processed to ensure that the terminal can continue to receive multicast services.

Optionally, the PTM transmission status indication information of the first multicast service sent by the receiving base station includes:

Receive base station through multicast/broadcast service control channel (MBS control channel, MCCH) The PTM transmission status indication information of the first multicast service sent; or,

Optionally, the multicast/broadcast service can be abbreviated as MBS (multicast/broadcast service).

Optionally, the base station may include the PTM transmission status indication information for the first multicast service in the MCCH, so the terminal can receive the PTM transmission status indication information for the first multicast service through the MCCH.

Optionally, the base station may include the PTM transmission status indication information for the first multicast service in the paging message, so the terminal can obtain the PTM transmission status indication information of the first multicast service by receiving the paging message.

Optionally, the PTM transmission status indication information includes any of the following:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, the PTM transmission status indication information may include a PTM transmission pre-closure indication to indicate that the base station is about to close multicast service PTM transmission;

Optionally, the PTM transmission status indication information may include a PTM transmission recovery indication, which is used to indicate that the base station cancels PTM transmission shutdown of the multicast service and continues to transmit multicast services through PTM after the base station sends the PTM transmission pre-closure indication.

Optionally, the base station can send a PTM transmission pre-closing indication to the terminal before turning off the multicast service PTM transmission;

Optionally, the base station may decide to stop turning off the multicast service PTM transmission after sending the PTM transmission pre-closing indication, and then the base station may send a PTM transmission recovery indication to the terminal.

Optionally, the base station may decide to stop turning off PTM transmission of the multicast service after sending the PTM transmission pre-closing indication, and then the base station may send a PTM transmission recovery indication to the terminal.

Optionally, the base station may include the PTM transmission pre-closure indication for the first multicast service in the MCCH, so the terminal may receive the PTM transmission pre-closure indication for the first multicast service through the MCCH, and based on the PTM transmission pre-closure indication for the first multicast service The PTM transmits the pre-closure indication to process the first multicast service.

Optionally, the base station may include the PTM transmission recovery indication for the first multicast service in the MCCH, so the terminal may receive the PTM transmission recovery indication for the first multicast service through the MCCH, and based on the PTM for the first multicast service Transmission recovery indication, processing the first multicast service.

Optionally, the base station may include a PTM transmission pre-closure indication for the first multicast service in the paging message, so the terminal may receive the PTM transmission pre-closure indication for the first multicast service through the paging message, and based on the PTM transmission pre-closure indication for the first multicast service A PTM transmission pre-closure indication of the multicast service, processing the first multicast service.

Optionally, the base station may include the PTM transmission recovery indication for the first multicast service in the paging message, so the terminal may receive the PTM transmission recovery indication for the first multicast service through the paging message, and based on the PTM transmission recovery indication for the first multicast service PTM transmission recovery indication of the multicast service, and process the first multicast service.

Optionally, processing the first multicast service based on the PTM transmission status indication information of the first multicast service includes:

Optionally, after receiving the PTM transmission pre-closure instruction sent by the base station, the terminal triggers RRC connection recovery when the terminal is in the RRC inactive state;

Optionally, after receiving the PTM transmission pre-closure instruction sent by the base station, the terminal triggers RRC connection establishment when the terminal is in the RRC idle state;

Optionally, after the terminal triggers RRC connection recovery or RRC connection establishment, the terminal can receive the service data of the first multicast service regardless of whether the RRC connection is restored or the RRC connection is successfully established.

Optionally, the method also includes:

Optionally, after the terminal triggers RRC connection recovery or triggers RRC connection establishment, the base station can allow the terminal to enter the RRC connection state, and the base station can send the configuration information of the first multicast service in the connection state to the terminal through an RRC message, The terminal may receive the RRC message to obtain the configuration information of the first multicast service, and receive the service data of the first multicast service in the connected state.

In one embodiment, the flow of the multicast service processing method may include the following steps:

Step 1. The base station decides to turn off multicast PTM transmission based on information such as the current RRC connected terminal receiving PTM multicast service. The base station is not sure whether there is an idle or inactive terminal receiving PTM multicast service. The base station sends a paging message to The terminal sends a PTM transmission pre-closure indication;

Step 2. The terminal receives the PTM transmission pre-closure instruction sent by the base station. The terminal is currently in the RRC inactive state, and the terminal triggers RRC connection recovery;

Step 3: The base station allows the terminal to enter the RRC connection state and sends the configuration information of the first multicast service in the connection state to the terminal through an RRC message;

Step 4: The terminal receives the RRC message to obtain the configuration information of the first multicast service, and continues to receive the multicast service in the connected state.

Step 1. The base station decides to turn off multicast PTM transmission based on information such as the current RRC connected terminal receiving PTM multicast service. The base station is not sure whether there is an idle or inactive terminal receiving PTM multicast service. The base station sends a message to the terminal through MCCH. PTM transmission pre-closure indication;

Step 2. The terminal receives the PTM transmission pre-closure instruction sent by the base station. The terminal is currently in the RRC idle state, and the terminal triggers RRC connection establishment;

Optionally, after the RRC connection recovery is triggered or the RRC connection is established, the method further includes:

Optionally, after the terminal triggers RRC connection recovery or triggers RRC connection establishment, the base station can decide to let the terminal return to the original state to receive the PTM multicast service. For example, it can send instruction information to the terminal to instruct the terminal to return to the original state to receive the service. PTM multicast service, the terminal can fall back to the original After the status is reached, continue to receive PTM multicast services;

The original state of the terminal may be the state of the terminal before triggering RRC connection recovery or triggering RRC connection establishment.

Step 3: The base station may decide to let the terminal return to the original state to receive the service data of the first multicast service;

Step 4: The terminal can return to the original state and continue to receive the service data of the first multicast service.

Step 3. The base station can decide to let the terminal return to the original state to receive the PTM multicast service;

Receive the PTM transmission recovery indication sent by the base station;

Optionally, after the terminal triggers RRC connection restoration or triggers RRC connection establishment, the base station may, during the RRC connection restoration process or the RRC connection establishment process, receive terminal conditions that trigger RRC connection establishment or restoration. , decides not to close the multicast service PTM transmission, the base station sends a PTM transmission recovery indication to the terminal; the terminal that is in the process of RRC connection establishment or connection recovery receives the PTM transmission recovery indication, and the terminal stops the RRC connection establishment or connection recovery process. Continue to receive service data of the first multicast service in the original state.

Step 3. During the RRC connection recovery process or the RRC connection establishment process, the base station may decide not to turn off the multicast service PTM transmission according to the received terminal situation that triggers the RRC connection establishment or recovery, and then the base station sends the PTM to the terminal. Transmission recovery indication;

Step 4: When the terminal that is undergoing the RRC connection establishment or connection recovery process receives the PTM transmission recovery indication, the terminal stops the RRC connection establishment or connection recovery process and continues to receive the service data of the first multicast service in the original state.

Step 4. The terminal that is in the process of RRC connection establishment or connection recovery receives the PTM transmission. The terminal stops the RRC connection establishment or connection recovery process and continues to receive the service data of the first multicast service in the original state.

Figure 2 is a second schematic flowchart of a multicast service processing method provided by an embodiment of the present disclosure. As shown in Figure 2, an embodiment of the present disclosure provides a multicast service processing method, and the execution subject may be a base station. The method includes:

Step 200: Before the PTM transmission status of the first multicast service changes, send the PTM transmission status indication information of the first multicast service to the terminal.

Specifically, if the base station decides whether to turn off multicast service PTM transmission based only on the terminals in the RRC connected state receiving multicast services within the current coverage area, it will cause the multicast service reception of the terminals in the RRC idle state or inactive state to be interrupted. , therefore, the base station can send the PTM transmission status indication information to the terminal before preparing to turn off the PTM transmission of the multicast service, so that the terminal can process the first multicast service based on the PTM transmission status indication information.

Specifically, the terminal may receive the PTM transmission status indication information of the first multicast service sent by the base station. information, and process the first multicast service based on the PTM transmission status indication information.

Optionally, the terminal may be a terminal in an idle state;

Optionally, the terminal may be a terminal in an inactive state;

The multicast service processing method provided by the embodiment of the present disclosure sends the PTM transmission status indication information of the first multicast service to the terminal, so that the terminal performs the processing of the first multicast service based on the PTM transmission status indication information of the first multicast service. A multicast service is processed to ensure that the terminal can continue to receive multicast services.

Optionally, sending the PTM transmission status indication information of the first multicast service to the terminal includes:

By receiving the paging message, the PTM transmission status indication information of the first multicast service is sent to the terminal. Optionally, the base station may include the PTM transmission status indication information for the first multicast service in the MCCH, so the terminal can receive the PTM transmission status indication information for the first multicast service through the MCCH.

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, after the base station sends the PTM transmission pre-closure indication and decides to stop closing the multicast service PTM transmission, the base station can send a PTM transmission recovery indication to the terminal.

Optionally, the method also includes:

Optionally, after the terminal triggers RRC connection recovery or triggers RRC connection establishment, the base station can allow the terminal to enter the RRC connection state, and the base station can send the configuration information of the first multicast service in the connection state to the terminal through an RRC message, The terminal may receive the RRC message to obtain the configuration information of the first multicast service, and process the first multicast service in the connected state.

Step 4. The terminal receives the RRC message to obtain the configuration information of the first multicast service. In the connected state Continue to receive multicast services.

Optionally, the method also includes:

Optionally, after the terminal triggers RRC connection recovery or triggers RRC connection establishment, the base station can decide to let the terminal return to the original state to receive the PTM multicast service. For example, it can send instruction information to the terminal to instruct the terminal to return to the original state to receive the service. PTM multicast service, the terminal can return to the original state and continue to receive PTM multicast service;

Step 3. The base station can decide to let the terminal return to the original state to receive the number of services of the first multicast service. according to;

Optionally, the method also includes:

Send PTM transmission recovery indication.

The multicast service processing method provided by the embodiment of the present disclosure sends the first multicast service to the terminal PTM transmission status indication information, so that the terminal processes the first multicast service based on the PTM transmission status indication information of the first multicast service, ensuring that the terminal can continue to receive the multicast service.

Figure 3 is a schematic structural diagram of a terminal provided by an embodiment of the present disclosure. As shown in Figure 3, the terminal includes a memory 320, a transceiver 300, and a processor 310, where:

Memory 320 is used to store computer programs; transceiver 300 is used to send and receive data under the control of the processor 310; processor 310 is used to read the computer program in the memory 320 and perform the following operations:

Specifically, the transceiver 300 is used to receive and send data under the control of the processor 310.

In FIG. 3 , the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 310 and various circuits of the memory represented by memory 320 are linked together. The bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein. The bus interface provides the interface. The transceiver 300 may be a plurality of components, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media.

The processor 310 is responsible for managing the bus architecture and general processing, and the memory 320 can store data used by the processor 310 when performing operations.

Optionally, the processor 310 can be a central processing unit (CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable Logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.

The processor is configured to execute any of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory. Processor and memory can also be physically separated layout.

Optionally, processor 310 is used to:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, processor 310 is used to:

Receive the PTM transmission recovery indication sent by the base station;

Stop the RRC connection recovery process and return to the RRC inactive state; or, stop the RRC During the connection establishment process, fall back to RRC idle state;

It should be noted here that the above-mentioned terminal provided by the embodiment of the present invention can implement all the method steps implemented by the above-mentioned method embodiment in which the execution subject is the terminal, and can achieve the same technical effect. No further explanation will be given here. The same parts and beneficial effects as those in the method embodiment will be described in detail.

Figure 4 is a schematic structural diagram of a base station provided by an embodiment of the present disclosure. As shown in Figure 4, the base station includes a memory 420, a transceiver 400, and a processor 410, wherein:

Memory 420 is used to store computer programs; transceiver 400 is used to send and receive data under the control of the processor 410; processor 410 is used to read the computer program in the memory 420 and perform the following operations:

Specifically, the transceiver 400 is used to receive and send data under the control of the processor 410.

In FIG. 4 , the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 410 and various circuits of the memory represented by memory 420 are linked together. The bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein. The bus interface provides the interface. The transceiver 400 may be a plurality of components, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media. The processor 410 is responsible for managing the bus architecture and general processing, and the memory 420 can store data used by the processor 410 when performing operations.

The processor 410 may be a central processing unit (CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex). Programmable Logic Device (CPLD), the processor can also adopt a multi-core architecture.

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, the processor 410 is also used to:

Send PTM transmission recovery indication.

It should be noted here that the above-mentioned base station provided by the embodiment of the present disclosure can implement all the method steps implemented by the above-mentioned method embodiment in which the execution subject is the base station, and can achieve the same technical effect. No further explanation will be given in this embodiment. The same parts and beneficial effects as those in the method embodiment will be described in detail.

Figure 5 is one of the structural schematic diagrams of a multicast service processing device provided by an embodiment of the present disclosure. As shown in Figure 5, the multicast service processing device 500 includes: a first receiving module 510 and a second receiving module 520; wherein:

The first receiving module 510 is configured to receive the PTM transmission status indication information of the first multicast service sent by the base station;

The second receiving module 520 is configured to transmit status indication information based on the PTM of the first multicast service, Process the first multicast service.

Optionally, the first receiving module 510 is specifically used to:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, the second receiving module 520 is used for:

Receive the PTM transmission recovery indication sent by the base station;

It should be noted here that the above-mentioned device provided by the embodiment of the present invention can implement all the method steps implemented by the above-mentioned method embodiment, and can achieve the same technical effect. The same as the method embodiment in this embodiment will no longer be used. The parts and beneficial effects will be described in detail.

Figure 6 is a second structural schematic diagram of a multicast service processing device provided by an embodiment of the present disclosure. As shown in Figure 6, the multicast service processing device 600 includes: a first sending module 610; wherein:

The first sending module 610 is configured to send the PTM transmission status indication information of the first multicast service to the terminal before the PTM transmission status of the first multicast service changes.

Optionally, the first sending module 610 is used for:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.

Optionally, the device also includes:

The second sending module is configured to send the configuration information of the first multicast service to the terminal through an RRC message after the terminal triggers RRC connection recovery or triggers RRC connection establishment.

Optionally, the device also includes:

A first determination module configured to determine that the terminal returns to the RRC inactive state to receive service data of the first multicast service after the terminal triggers the RRC connection recovery; or after the terminal triggers the RRC connection establishment It is determined to allow the terminal to fall back to the RRC idle state to receive service data of the first multicast service.

Optionally, the device also includes:

The third sending module is used to send PTM transmission recovery instructions.

It should be noted that the division of units in the embodiment of the present disclosure is schematic and is only a logical function division. In actual implementation, there may be other division methods. In addition, each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above integrated units can be implemented in the form of hardware or software functional units.

If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present disclosure is essentially or contributes to the existing technology, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to cause a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods described in various embodiments of the present disclosure. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .

On the other hand, embodiments of the present disclosure also provide a processor-readable storage medium. The processor-readable storage medium stores a computer program. The computer program is used to cause the processor to execute each of the above terminal-side tasks. The method provided by the embodiment of the broadcast service processing method.

On the other hand, embodiments of the present disclosure also provide a processor-readable storage medium. The processor-readable storage medium stores a computer program. The computer program is used to cause the processor to execute each of the above-mentioned multiple processes on the base station side. The method provided by the embodiment of the broadcast service processing method.

The processor-readable storage medium may be any available media or data storage device that the processor can access, including but not limited to magnetic memory (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO) etc.), optical memory (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)), etc.

Those skilled in the art will appreciate that embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment that combines software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) embodying computer-usable program code therein.

The disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each process and/or block in the flowchart illustrations and/or block diagrams, and combinations of processes and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-executable instructions. These computer-executable instructions may be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a process or processes of a flowchart and/or a block or blocks of a block diagram.

These processor-executable instructions may also be stored in a processor-readable memory that causes a computer or other programmable data processing apparatus to operate in a particular manner, such that the generation of instructions stored in the processor-readable memory includes the manufacture of the instruction means product, the instruction device implements the function specified in one process or multiple processes in the flow chart and/or one block or multiple blocks in the block diagram.

These processor-executable instructions may also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce computer-implemented processing, thereby causing the computer or other programmable device to The instructions that are executed provide steps for implementing the functions specified in a process or processes of the flowchart diagrams and/or a block or blocks of the block diagrams.

Obviously, those skilled in the art can make various changes and modifications to the present disclosure without departing from the spirit and scope of the disclosure. In this way, if these modifications and variations of the present disclosure fall within the scope of the claims of the present disclosure and equivalent technologies, the present disclosure is also intended to include these modifications and variations.

Claims

A multicast service processing method, applied to terminals, including:

Receive point-to-multipoint PTM transmission status indication information of the first multicast service sent by the base station;

Process the first multicast service based on the PTM transmission status indication information of the first multicast service.
The multicast service processing method according to claim 1, wherein the point-to-multipoint PTM transmission status indication information of the first multicast service sent by the receiving base station includes:

Receive the PTM transmission status indication information of the first multicast service sent by the base station through the multicast/broadcast service control channel MCCH; or,

By receiving the paging message, the PTM transmission status indication information of the first multicast service sent by the base station is obtained.
The multicast service processing method according to claim 1 or 2, wherein the PTM transmission status indication information includes any of the following:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.
The multicast service processing method according to claim 1, wherein the processing of the first multicast service based on the PTM transmission status indication information of the first multicast service includes:

Based on the PTM transmission pre-closure indication contained in the PTM transmission status indication information of the first multicast service, determine that the PTM transmission is about to be closed;

When the terminal is in the radio resource control RRC inactive state, trigger RRC connection recovery; or, when the terminal is in the RRC idle state, trigger RRC connection establishment;

Wherein, the RRC connection recovery or the RRC connection establishment is used to instruct the terminal to receive the service data of the first multicast service.
The multicast service processing method according to claim 4, wherein the method further includes:

Obtain the configuration information of the first multicast service through an RRC message;

Based on the configuration information of the first multicast service, the service data of the first multicast service is received in the connected state.
The multicast service processing method according to claim 4, wherein when triggering the RRC connection After the RRC connection is restored or the RRC connection is established, the method further includes:

Fall back to the RRC inactive state after triggering the RRC connection recovery; or fall back to the RRC idle state after triggering the RRC connection establishment;

Continue to receive the service data of the first multicast service in the RRC inactive state or the RRC idle state.
The multicast service processing method according to claim 4, wherein after triggering RRC connection recovery or the RRC connection establishment, the method further includes:

Receive the PTM transmission recovery indication sent by the base station;

Stop the RRC connection recovery process and fall back to the RRC inactive state; or stop the RRC connection establishment process and fall back to the RRC idle state;

In the RRC inactive state or RRC idle state, service data of the first multicast service is received.
A multicast service processing method, applied to base stations, including:

Before the PTM transmission status of the first multicast service changes, the PTM transmission status indication information of the first multicast service is sent to the terminal.
The multicast service processing method according to claim 8, wherein the sending the PTM transmission status indication information of the first multicast service to the terminal includes:

Send the PTM transmission status indication information of the first multicast service to the terminal through the multicast/broadcast service control channel MCCH; or,

By receiving the paging message, the PTM transmission status indication information of the first multicast service is sent to the terminal.
The multicast service processing method according to claim 8, wherein the method further includes:

After the terminal triggers RRC connection recovery or triggers RRC connection establishment, the configuration information of the first multicast service is sent to the terminal through an RRC message.
A terminal, including a memory, a transceiver, and a processor:

Memory, used to store computer programs; transceiver, used to send and receive data under the control of the processor; processor, used to read the computer program in the memory and perform the following operations:

Receive point-to-multipoint PTM transmission status indication information of the first multicast service sent by the base station;

Process the first multicast service based on the PTM transmission status indication information of the first multicast service.
The terminal according to claim 11, wherein the PTM transmission status indication information of the first multicast service sent by the receiving base station includes:

Receive the PTM transmission status indication information of the first multicast service sent by the base station through the multicast/broadcast service control channel MCCH; or,

By receiving the paging message, the PTM transmission status indication information of the first multicast service sent by the base station is obtained.
The terminal according to claim 11, wherein the processing of the first multicast service based on the PTM transmission status indication information of the first multicast service includes:

Based on the PTM transmission pre-closure indication contained in the PTM transmission status indication information of the first multicast service, determine that the PTM transmission is about to be closed;

When the terminal is in the radio resource control RRC inactive state, trigger RRC connection recovery; or, when the terminal is in the RRC idle state, trigger RRC connection establishment;

Wherein, the RRC connection recovery or the RRC connection establishment is used to instruct the terminal to receive the service data of the first multicast service.
The terminal according to claim 13, wherein the operations further include:

Obtain the configuration information of the first multicast service through an RRC message;

Based on the configuration information of the first multicast service, the service data of the first multicast service is received in the connected state.
The terminal according to claim 14, wherein after triggering RRC connection recovery or the RRC connection establishment, the operation further includes:

Fall back to the RRC inactive state after triggering the RRC connection recovery; or fall back to the RRC idle state after triggering the RRC connection establishment;

Continue to receive the service data of the first multicast service in the RRC inactive state or the RRC idle state.
The terminal according to claim 13, wherein after triggering RRC connection recovery or the RRC connection establishment, the operation further includes:

Receive the PTM transmission recovery indication sent by the base station;

Stop the RRC connection recovery process and fall back to the RRC inactive state; or stop the RRC connection establishment process and fall back to the RRC idle state;

In the RRC inactive state or RRC idle state, service data of the first multicast service is received.
A base station, including a memory, a transceiver, and a processor:

Memory, used to store computer programs; transceiver, used to send and receive data under the control of the processor; processor, used to read the computer program in the memory and perform the following operations:

Before the PTM transmission status of the first multicast service changes, the PTM transmission status indication information of the first multicast service is sent to the terminal.
A multicast service processing device, which includes:

The first receiving module is configured to receive the PTM transmission status indication information of the first multicast service sent by the base station;

The second receiving module is configured to process the first multicast service based on the PTM transmission status indication information of the first multicast service.
The multicast service processing device according to claim 18, wherein the first receiving module is specifically used to:

Receive the PTM transmission status indication information of the first multicast service sent by the base station through the multicast/broadcast service control channel MCCH; or,

By receiving the paging message, the PTM transmission status indication information of the first multicast service sent by the base station is obtained.
The multicast service processing device according to claim 18 or 19, wherein the PTM transmission status indication information includes any of the following:

PTM transmits pre-shutdown indication; or

PTM transmission recovery indication.
The multicast service processing device according to claim 18, wherein the second receiving module includes:

The first determining unit is used in the PTM transmission status indication information based on the first multicast service The included PTM transmission pre-closure indication determines that the PTM transmission is about to be closed;

The first triggering unit is configured to trigger RRC connection recovery when the terminal is in the radio resource control RRC inactive state; or, when the terminal is in the RRC idle state, trigger RRC connection establishment;

Wherein, the RRC connection recovery or the RRC connection establishment is used to instruct the terminal to receive the service data of the first multicast service.
The multicast service processing device according to claim 21, wherein the device further includes:

A first acquisition module, configured to acquire the configuration information of the first multicast service through an RRC message;

The third receiving module is configured to receive the service data of the first multicast service in the connected state based on the configuration information of the first multicast service.
The multicast service processing device according to claim 21, wherein the second receiving module further includes:

A first fallback unit configured to fall back to the RRC inactive state after triggering the RRC connection recovery; or, fall back to the RRC idle state after triggering the RRC connection establishment;

The first receiving unit is configured to continue to receive the service data of the first multicast service in the RRC inactive state or the RRC idle state.
The multicast service processing device according to claim 21, wherein after triggering RRC connection recovery or the RRC connection establishment, the second receiving module further includes:

A second receiving unit, configured to receive the PTM transmission recovery indication sent by the base station;

The first stopping unit is used to stop the RRC connection recovery process and fall back to the RRC inactive state; or, stop the RRC connection establishment process and fall back to the RRC idle state;

The third receiving unit is configured to receive service data of the first multicast service in the RRC inactive state or RRC idle state.
A multicast service processing device, which includes:

The first sending module is configured to send the PTM transmission status indication information of the first multicast service to the terminal before the PTM transmission status of the first multicast service changes.
The multicast service processing device according to claim 25, wherein the first sending module is specifically used to:

Send the first multicast service to the terminal through the multicast/broadcast service control channel MCCH PTM transmits status indication information; or,

By receiving the paging message, the PTM transmission status indication information of the first multicast service is sent to the terminal.
The multicast service processing device according to claim 25, wherein the device further includes:

The second sending module is configured to send the configuration information of the first multicast service to the terminal through an RRC message after the terminal triggers RRC connection recovery or triggers RRC connection establishment.
A processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the method described in any one of claims 1 to 10.