CN114793324A

CN114793324A - Broadcast transmission method and device

Info

Publication number: CN114793324A
Application number: CN202110097560.3A
Authority: CN
Inventors: 曾庆军; 傅力军; 李爽; 邸斌; 张莹莹; 薛凯心
Original assignee: China Radio And Television Network Co ltd
Current assignee: China Radio And Television Network Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2022-07-26
Anticipated expiration: 2041-01-25
Also published as: CN114793324B

Abstract

The application discloses a broadcast transmission method and device, which are used for scheduling air interface wireless resources based on broadcast service priority, rapidly establishing emergency broadcast data bearer and guaranteeing timeliness of emergency broadcast transmission. The application provides a broadcast transmission method, which comprises the following steps: informing the terminal of the priority of the broadcast service; and scheduling the wireless resources of the broadcast service according to the priority of the broadcast service, and transmitting the broadcast service to the terminal through the wireless resources.

Description

Broadcast transmission method and device

Technical Field

The present application relates to the field of communications technologies, and in particular, to a broadcast transmission method and apparatus.

Background

The enhanced broadcast multicast technology (eMBMS) is applied to an LTE network, network resources are effectively allocated in a time dimension and a service dimension by utilizing the bandwidth, low time delay and full IP advantages of the LTE, mobile video services are provided by adopting various flexible modes such as multicast, broadcast and the like, one-point-to-multipoint wireless transmission can be established on the premise that a wireless network does not occupy additional spectrum resources, and a plurality of users watching the same content share the same air interface resource.

In a mobile scenario, in the face of the requirement of timeliness of emergency broadcast services such as public safety, the existing mobile cellular broadcast technology eMBMS schedules the emergency broadcast services by adopting two aspects: on one hand, a section of frequency spectrum resources can be reserved and always in an idle state, emergency broadcasting is carried out by scheduling the reserved idle resources when meeting the requirement of emergency broadcasting service, the utilization efficiency of the frequency spectrum is low, and the section of emergency wireless resources can be in the idle state for a long time; on the other hand, when the broadcast television live broadcast service is transmitted under normal conditions, the existing technology cannot immediately schedule and vacate reserved wireless resources as emergency services when an emergency occurs, and only by changing live broadcast content or inserting broadcast messages in the live broadcast content, the method brings larger time delay for emergency broadcast which is a service demand with extremely high timeliness.

Disclosure of Invention

The embodiment of the application provides a broadcast transmission method and device, which are used for scheduling air interface wireless resources based on broadcast service priority, quickly establishing emergency broadcast data bearers and guaranteeing timeliness of emergency broadcast transmission.

On the base station side, a broadcast transmission method provided in the embodiment of the present application includes:

informing the terminal of the priority of the broadcast service;

and scheduling wireless resources of the broadcast services according to the priority of the broadcast services, and transmitting the broadcast services to the terminal through the wireless resources.

The method informs the terminal of the broadcast service priority, schedules the wireless resources of the broadcast service according to the broadcast service priority, and transmits the broadcast service to the terminal through the wireless resources, thereby realizing the scheduling of the air interface wireless resources based on the broadcast service priority, rapidly establishing the emergency broadcast data bearer, and ensuring the timeliness of the emergency broadcast transmission.

Optionally, the broadcast service priority includes a first broadcast service priority and a second broadcast service priority, where the second broadcast service priority is higher than the first broadcast service priority.

Optionally, the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal through the radio resource specifically includes:

sending a system message of a first broadcast service, wherein the system message comprises multicast control channel MCCH configuration information of the first broadcast service and indication information that the scheduling priority of the first broadcast service is low priority;

after receiving a second broadcast service transmission request, sending a system message of a second broadcast service, wherein the system message comprises MCCH configuration information of the second broadcast service and indication information that the scheduling priority of the second broadcast service is high priority;

sending the MCCH of the second broadcast service;

and transmitting a Multicast Transport Channel (MTCH) of the second broadcast service, wherein the MTCH comprises broadcast data information of the second broadcast service.

sending a system message of a first broadcast service, wherein the system message comprises configuration information of a Multicast Control Channel (MCCH) of the first broadcast service;

sending an MCCH (multipoint control channel) of a first broadcast service, wherein the MCCH comprises indication information of which the scheduling priority of the first broadcast service is low priority;

after receiving a transmission request of a second broadcast service, sending a system message of the second broadcast service, wherein the system message comprises configuration information of an MCCH (multicast control channel) of the second broadcast service;

sending MCCH of a second broadcast service, wherein the MCCH comprises indication information of which the scheduling priority of the second broadcast service is high priority;

and transmitting a Multicast Transport Channel (MTCH) of the second broadcast service, which includes data information of the second broadcast service.

sending a system message of a first broadcast service, wherein the system message comprises configuration information of a single cell multicast control channel (SC-MCCH) of the first broadcast service and indication information that the scheduling priority of the first broadcast service is low priority; the configuration information of the SC-MCCH of the first broadcast service comprises single-cell radio network temporary identifier (SC-RNTI) information of the first broadcast service;

sending a system message of a second broadcast service, wherein the system message comprises configuration information of an SC-MCCH (single carrier control channel) of the second broadcast service and indication information that the scheduling priority of the second broadcast service is high priority; the configuration information of the SC-MCCH of the second broadcast service comprises SC-RNTI information of the second broadcast service;

sending a PDCCH scrambled by the SC-RNTI of a second broadcast service, wherein the PDCCH comprises configuration information of the SC-MCCH of the second broadcast service;

sending SC-MCCH of a second broadcast service, wherein the SC-MCCH comprises group radio network temporary identifier G-RNTI information of the second broadcast service;

transmitting a PDCCH of a second broadcast service scrambled by the G-RNTI, wherein configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service is included;

and transmitting the SC-MTCH of the second broadcast service, wherein the SC-MTCH comprises the broadcast data information of the second broadcast service.

sending a system message of a first broadcast service, wherein the system message comprises configuration information of a PDCCH of the first broadcast service and single-cell radio network temporary identifier SC-RNTI information of the first broadcast service;

sending a PDCCH of a first broadcast service scrambled by an SC-RNTI of the first broadcast service, wherein the PDCCH comprises indication information that the scheduling priority of the first broadcast service is low priority;

sending a system message of a second broadcast service, wherein the system message comprises SC-RNTI information of the second broadcast service;

sending a PDCCH of a second broadcast service, which is scrambled by an SC-RNTI of the second broadcast service, wherein the PDCCH comprises indication information that the scheduling priority of the second broadcast service is high priority and configuration information of a single-cell multicast control channel SC-MCCH of the second broadcast service;

and transmitting the SC-MTCH of the second broadcast service, wherein the SC-MTCH comprises broadcast data information of the second broadcast service.

sending a PDCCH of a first broadcast service scrambled by SC-RNTI of the first broadcast service, wherein the PDCCH comprises configuration information of a single-cell multicast control channel SC-MCCH of the first broadcast service;

sending SC-MCCH of a first broadcast service, wherein the SC-MCCH comprises G-RNTI information and indication information of which the scheduling priority of the first broadcast service is low priority;

sending a system message of a second broadcast service, wherein the system message comprises configuration information of a PDCCH of the second broadcast service and SC-RNTI information of the second broadcast service;

sending a PDCCH of a second broadcast service scrambled by an SC-RNTI of the second broadcast service, wherein the PDCCH comprises configuration information of the SC-MCCH of the second broadcast service;

sending SC-MCCH of a second broadcast service, wherein the SC-MCCH comprises group radio network temporary identifier G-RNTI information of the second broadcast service and indication information of which the scheduling priority of the second broadcast service is high priority;

sending a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, wherein configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service is included;

sending a system message of a first broadcast service, wherein the system message comprises configuration information of a PDCCH of the first broadcast service and SC-RNTI information of the first broadcast service;

sending SC-MCCH of a second broadcast service, wherein the SC-MCCH comprises G-RNTI information of the second broadcast service;

transmitting a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, wherein the PDCCH comprises configuration information of an SC-MTCH of the second broadcast service and indication information that the scheduling priority of the second broadcast service is high priority;

On a terminal side, a broadcast transmission method provided in an embodiment of the present application includes:

acquiring the priority of a broadcast service;

and receiving the broadcast service with higher priority according to the priority of the broadcast service.

Optionally, the acquiring the priority of the broadcast service specifically includes:

receiving a system message of a first broadcast service, and acquiring indication information of which the scheduling priority of the first broadcast service is low priority and MCCH configuration information of the first broadcast service;

receiving a system message of a second broadcast service, and acquiring indication information of which the scheduling priority of the second broadcast service is high priority and MCCH configuration information of the second broadcast service;

the receiving a broadcast service with a higher priority according to the priority of the broadcast service specifically includes:

according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, on the overlapped resources of the first broadcast service and the second broadcast service, according to the MCCH configuration information of the second broadcast service, receiving an MCCH of the second broadcast service, and acquiring the configuration information of a Multicast Transmission Channel (MTCH) of the second broadcast service;

and receiving the MTCH of the second broadcast service according to the configuration information of the MTCH of the second broadcast service, and acquiring the broadcast data information of the second broadcast service from the MTCH.

receiving a system message of a first broadcast service, and acquiring configuration information of a Multicast Control Channel (MCCH) of the first broadcast service;

receiving an MCCH (multicast control channel) of a first broadcast service, and acquiring indication information of which the scheduling priority of the first broadcast service is low priority;

receiving a system message of a second broadcast service, and acquiring configuration information of an MCCH (multicast control channel) of the second broadcast service;

receiving an MCCH (multicast control channel) of a second broadcast service, and acquiring indication information of which the scheduling priority of the second broadcast service is high priority;

and receiving a Multicast Transmission Channel (MTCH) of the second broadcast service on the overlapped resources of the first broadcast service and the second broadcast service according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, and acquiring the data information of the second broadcast service from the MTCH.

receiving a system message of a first broadcast service, and acquiring indication information of the first broadcast service, wherein the scheduling priority of the first broadcast service is low priority;

receiving a system message of a second broadcast service, acquiring indication information of which the scheduling priority of the second broadcast service is high priority and configuration information of an SC-MCCH (single carrier control channel) of the second broadcast service, and acquiring SC-RNTI (single carrier radio network temporary identifier) information of the second broadcast service from the configuration information of the SC-MCCH of the second broadcast service;

receiving a PDCCH scrambled by the SC-RNTI of a second broadcast service on an overlapped resource of the first broadcast service and the second broadcast service according to indication information that the scheduling priority of the first broadcast service is low and indication information that the scheduling priority of the second broadcast service is high, descrambling the PDCCH by adopting the SC-RNTI, and acquiring configuration information of the SC-MCCH of the second broadcast service;

receiving the SC-MCCH of the second broadcast service according to the configuration information of the SC-MCCH of the second broadcast service, and acquiring the group radio network temporary identifier G-RNTI information of the second broadcast service;

receiving a PDCCH scrambled by the G-RNTI of a second broadcast service, descrambling the PDCCH by adopting the G-RNTI, and acquiring configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service;

and receiving the SC-MTCH of the second broadcast service according to the configuration information of the SC-MTCH of the second broadcast service, and acquiring the broadcast data information of the second broadcast service from the SC-MTCH of the second broadcast service.

receiving a system message of a first broadcast service, and acquiring configuration information of a PDCCH of the first broadcast service and single-cell radio network temporary identifier SC-RNTI information of the first broadcast service;

receiving the PDCCH scrambled by the SC-RNTI of the first broadcast service according to the configuration information of the PDCCH of the first broadcast service, descrambling the PDCCH through the SC-RNTI, and acquiring indication information that the scheduling priority of the first broadcast service is low priority;

receiving a system message of a second broadcast service, and acquiring SC-RNTI information of the second broadcast service;

receiving a PDCCH scrambled by an SC-RNTI of a second broadcast service of the second broadcast service, descrambling the PDCCH through the SC-RNTI of the second broadcast service, and acquiring indication information that the scheduling priority of the second broadcast service is high priority and configuration information of a single-cell multicast control channel (SC-MCCH) of the second broadcast service;

according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, on the overlapped resources of the first broadcast service and the second broadcast service, according to the configuration information of the SC-MCCH of the second broadcast service, receiving the SC-MCCH of the second broadcast service, and acquiring the group radio network temporary identifier G-RNTI information of the second broadcast service;

receiving a PDCCH scrambled by a G-RNTI of a second broadcast service, descrambling the PDCCH through the G-RNTI, and acquiring configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service;

and receiving the SC-MTCH of the second broadcast service according to the configuration information of the SC-MTCH, and acquiring the broadcast data information of the second broadcast service.

the method comprises the steps that a PDCCH scrambled by an SC-RNTI of a first broadcast service of the first broadcast service is received based on configuration information of the PDCCH of the first broadcast service, the PDCCH is descrambled by the SC-RNTI of the first broadcast service, and configuration information of the SC-MCCH of the first broadcast service is obtained from the PDCCH;

the method comprises the steps that an SC-MCCH of a first broadcast service is received based on configuration information of the SC-MCCH of the first broadcast service, G-RNTI information and indication information with low priority of the scheduling priority of the first broadcast service are obtained from the SC-MCCH;

receiving a system message of a second broadcast service, and acquiring configuration information of a PDCCH (physical downlink control channel) of the second broadcast service and SC-RNTI (single cell radio network temporary identifier) information of the second broadcast service;

receiving the PDCCH scrambled by the SC-RNTI of the second broadcast service based on the configuration information of the PDCCH of the second broadcast service, descrambling the PDCCH by using the SC-RNTI of the second broadcast service, and acquiring the configuration information of the SC-MCCH of the second broadcast service;

receiving the SC-MCCH of the second broadcast service based on the configuration information of the SC-MCCH of the second broadcast service, and acquiring G-RNTI information and indication information of which the scheduling priority of the second broadcast service is high priority;

receiving a PDCCH scrambled by the G-RNTI of the second broadcast service on an overlapped resource of the first broadcast service and the second broadcast service according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, and acquiring configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service;

and receiving the SC-MTCH of the second broadcast service based on the configuration information of the SC-MTCH of the second broadcast service, and acquiring the broadcast data information of the second broadcast service from the SC-MTCH of the second broadcast service.

receiving a system message of a first broadcast service, and acquiring configuration information of a PDCCH of the first broadcast service and SC-RNTI information of the first broadcast service;

receiving a PDCCH scrambled by an SC-RNTI of a first broadcast service of the first broadcast service based on configuration information of the PDCCH of the first broadcast service, and acquiring indication information that the scheduling priority of the first broadcast service is low priority from the PDCCH;

receiving the PDCCH scrambled by the SC-RNTI of the second broadcast service based on the configuration information of the PDCCH of the second broadcast service, and acquiring the configuration information of the SC-MCCH of the second broadcast service;

receiving the SC-MCCH of the second broadcast service based on the configuration information of the SC-MCCH of the second broadcast service, and acquiring G-RNTI information of the second broadcast service;

receiving a PDCCH of a second broadcast service, which is scrambled by a G-RNTI of the second broadcast service, and acquiring configuration information of an SC-MTCH of the second broadcast service and indication information that the scheduling priority of the second broadcast service is high priority;

and according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, receiving the SC-MTCH of the second broadcast service on the overlapped resource of the first broadcast service and the second broadcast service, and acquiring the broadcast data information of the second broadcast service.

At a base station side, an apparatus for broadcast transmission provided in an embodiment of the present application includes:

a notification unit, configured to notify a terminal of a broadcast service priority;

and the transmission unit is used for scheduling the wireless resources of the broadcast services according to the priority of the broadcast services and transmitting the broadcast services to the terminal through the wireless resources.

On a terminal side, a broadcast transmission apparatus provided in an embodiment of the present application includes:

an obtaining unit, configured to obtain a broadcast service priority;

and the receiving unit is used for receiving the broadcast service with higher priority according to the priority of the broadcast service.

Another embodiment of the present application provides a broadcast transmission apparatus, which also belongs to a computing device, and includes a memory and a processor, where the memory is used for storing program instructions, and the processor is used for calling the program instructions stored in the memory, and executing any one of the methods according to the obtained program.

Another embodiment of the present application provides a computer storage medium having stored thereon computer-executable instructions for causing a computer to perform any one of the methods described above.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 to fig. 6 are schematic overall flow diagrams of a broadcast transmission method provided in an embodiment of the present application;

fig. 7 is a flowchart illustrating a broadcast transmission method at a base station according to an embodiment of the present application;

fig. 8 is a flowchart illustrating a broadcast transmission method at a terminal side according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a broadcast transmission apparatus according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a broadcast transmission apparatus at a base station side according to an embodiment of the present application;

fig. 11 is a schematic structural diagram of a broadcast transmission apparatus at a terminal side according to an embodiment of the present application;

fig. 12 is a schematic structural diagram of another broadcast transmission apparatus on the base station side according to an embodiment of the present application;

fig. 13 is a schematic structural diagram of another broadcast transmission apparatus at a terminal side according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The broadcasting transmission speed is high, the coverage range is wide, and public safety emergency information can be timely and accurately transmitted. Especially in the situations of sudden events, natural disasters and the like, and the situations that electric power, communication and information transmission are damaged and interrupted, the emergency broadcast can be used as a main information channel covering a wide area and an important tool for organizing and commanding.

How to respond to broadcasting at the first time, how to quickly schedule emergency spectrum resources used by services such as normal public television live broadcasting and the like under the scene of normal broadcasting of video public services such as broadcast television and the like, and how to establish an emergency broadcasting service data transmission channel. The embodiment of the application provides a method and a device for guaranteeing broadcast transmission timeliness in a mobile scene, and under the condition that a terminal normally establishes a broadcast data transmission channel of public service services such as live television and the like, the technical scheme provided by the embodiment of the application can rapidly dispatch pre-distributed emergency wireless resources, and an emergency broadcast information data channel is established for groups such as people and rescue workers in disaster areas, so that public safety information is provided for real-time broadcasting.

The method and the device are based on the same application concept, and because the principles of solving the problems of the method and the device are similar, the implementation of the device and the method can be mutually referred, and repeated parts are not described again.

The technical scheme provided by the embodiment of the application can be suitable for various systems, particularly 5G systems. For example, the applicable system may be a global system for mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) General Packet Radio Service (GPRS) system, a Long Term Evolution (LTE) system, an LTE Frequency Division Duplex (FDD) system, an LTE Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS), a universal microwave Access (WiMAX) system, a 5G NR system, and the like. These various systems include terminal devices and network devices.

The terminal device referred to in the embodiments of the present application may be a device providing voice and/or data connectivity to a user, a handheld device having a wireless connection function, or other processing device connected to a wireless modem. In different systems, the name of the terminal device may also be different, for example, in a 5G system, the terminal device may be referred to as a User Equipment (UE). Wireless terminal devices, which may be mobile terminal devices such as mobile telephones (or so-called "cellular" telephones) and computers having mobile terminal devices, e.g., mobile devices which may be portable, pocket, hand-held, computer-included, or vehicle-mounted, communicate with one or more core networks via the RAN. Such as Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like. The wireless terminal device may also be referred to as a system, a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), an access point (access point), a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in this embodiment of the present application.

The network device according to the embodiment of the present application may be a base station, and the base station may include a plurality of cells. A base station may also be referred to as an access point or as a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminal devices, or by other names, depending on the particular application. The network device may be configured to interconvert received air frames with Internet Protocol (IP) packets as a router between the wireless terminal device and the rest of the access network, which may include an Internet Protocol (IP) communication network. The network device may also coordinate attribute management for the air interface. For example, the network device according to the embodiment of the present application may be a Base Transceiver Station (BTS) in a global system for mobile communications (GSM) or a Code Division Multiple Access (CDMA), a network device (NodeB) in a Wideband Code Division Multiple Access (WCDMA), an evolved node B (eNB or e-NodeB) in a Long Term Evolution (LTE) system, a 5G base station in a 5G network architecture (next generation system), a home evolved node B (HeNB), a relay node (relay node), a home base station (femto), a pico base station (pico), and the like, but the present application is not limited thereto.

Various embodiments of the present application will be described in detail below with reference to the drawings. It should be noted that the display sequence in the embodiments of the present application only represents the sequence of the embodiments, and does not represent the advantages and disadvantages of the technical solutions provided by the embodiments.

According to the technical scheme provided by the embodiment of the application, under the scene of normal scheduling of the broadcast service, the timeliness of the emergency broadcast service is guaranteed, the scheduling resource of the broadcast service is seized, the terminal can recognize that the priority of seizing and scheduling the emergency broadcast service is high priority, the service is received preferentially, and the timeliness of emergency broadcast data transmission is guaranteed.

The technical scheme provided by the embodiment of the application can be applied to a New Radio (NR) system of 5G or an NR evolution system of 5G.

The broadcast transmission system provided by the embodiment of the present application includes a Core Network (CN), an access network (RAN) and a terminal (UE), and the broadcast services described in the embodiment of the present application include, for example, a first broadcast service and a second broadcast service, where the first broadcast service is, for example, a non-emergency broadcast service, that is, a normal broadcast service, and the second broadcast service is, for example, an emergency broadcast service, and then the priority of the second broadcast service is higher than that of the first broadcast service. An illustration of several specific embodiments is given below.

Example 1:

the base station pre-defines or semi-statically configures the broadcast service priority. The broadcast service priority can be dynamically updated by configuring the broadcast service priority semi-statically. Such as updating broadcast service priorities at any time via broadcast messages.

A base station on a RAN side sends a system message of a first broadcast service, where the system message of the first broadcast service carries Multicast Control Channel (MCCH) configuration information of the first broadcast service, the MCCH configuration information includes a frequency resource and/or a time slot and/or a sending period and/or a Modulation and Coding Scheme (MCS) of the first broadcast service, and the like, the system message of the first broadcast service schedules a first time-frequency resource, and the system message of the first broadcast service further indicates that a scheduling priority of the first broadcast service is a low priority.

After receiving a second broadcast service information transmission request, a base station sends a system message of a second broadcast service, wherein the system message of the second broadcast service carries MCCH configuration information of the second broadcast service, the MCCH configuration information of the second broadcast service comprises frequency resources and/or time slots and/or sending periods and/or MCS and the like of the second broadcast service, the system message of the second broadcast service schedules a second time-frequency resource, the second time-frequency resource is partially overlapped or completely overlapped with the first time-frequency resource, and the system message of the second broadcast service also indicates that the scheduling priority of the second broadcast service is high priority.

The UE receives the broadcast system message of the first broadcast service and the broadcast system message of the second broadcast service. And the UE determines that the system message priority of the second broadcast service is higher than the system message priority of the first broadcast service. Subsequently, only receiving data information of the second broadcast service on an overlapped resource (namely, a resource on a time domain and a frequency domain occupied by the first broadcast service and the second broadcast service, wherein the overlapped resource is a resource used for transmitting service data after the service channel bearer is established), namely, the UE acquires the configuration information of the MCCH of the second broadcast service according to the system message of the second broadcast service sent by the base station, and acquires the frequency resource and/or the time slot and/or the sending period and/or the MCS and the like of the MCCH of the second broadcast service from the configuration information of the MCCH of the second broadcast service.

A base station sends an MCCH of a second broadcast Service, wherein the MCCH of the second broadcast Service comprises MTCH configuration information such as Carrier Service Area (CSA) period and/or CSA pattern and/or Media Stream Protocol (MSP) and/or a Multicast Traffic Channel (MTCH) occupied subframe of the second broadcast Service;

and the UE receives the MCCH of the second broadcast service according to the obtained MCCH configuration information of the second broadcast service, and obtains the MTCH configuration information such as CSA period and/or CSA pattern and/or MSP and/or MTCH occupied sub-frame of the second broadcast service through the received MCCH of the second broadcast service.

A base station sends MTCH of a second broadcast service, wherein the MTCH of the second broadcast service bears broadcast data information of the second broadcast service;

and the UE receives the MTCH according to the acquired MTCH occupation subframe information of the second broadcast service and the like, and acquires the broadcast data information of the second broadcast service from the MTCH.

Example 2:

the base station pre-defines or semi-statically configures the broadcast service priority.

The method comprises the steps that a base station sends a system message of a first broadcast service, wherein the system message of the first broadcast service bears MCCH configuration information of the first broadcast service, and the MCCH configuration information of the first broadcast service comprises frequency resources and/or time slots and/or sending periods and/or MCS and the like of the first broadcast service. The method comprises the steps that a base station sends an MCCH of a first broadcast service, the MCCH of the first broadcast service comprises a CSA period and/or a CSA pattern and/or an MSP and/or a sub-frame occupied by an MTCH of the first broadcast service and the like, and the MCCH of the first broadcast service indicates that the scheduling priority of the first broadcast service is low.

And after receiving the information transmission request of the second broadcast service, the base station sends a system message of the second broadcast service, wherein the system message of the second broadcast service carries the MCCH configuration information of the second broadcast service, and the MCCH configuration information of the second broadcast service comprises frequency resources and/or time slots and/or sending periods and/or MCS and the like of the second broadcast service. The base station sends the MCCH of a second broadcast service, the MCCH of the second broadcast service comprises a CSA period and/or a CSA pattern and/or an MSP and/or a sub-frame occupied by the MTCH of the second broadcast service and the like, and the MCCH of the second broadcast service indicates that the scheduling priority of the second broadcast service is high priority.

The UE receives a system message of a first broadcast service sent by the base station to acquire the configuration information of the MCCH of the first broadcast service, and acquires the frequency resource and/or the time slot and/or the sending period and/or the MCS and the like of the first broadcast service through the configuration information of the MCCH of the first broadcast service. The UE receives the MCCH of the first broadcast service according to the acquired MCCH configuration information of the first broadcast service, acquires a CSA period and/or a CSA pattern and/or an MSP and/or a sub-frame occupied by the MTCH of the first broadcast service and the like according to the MCCH receiving the first broadcast service, and schedules the first time-frequency resources (namely, schedules the MTCH of the first broadcast service).

And the UE receives the system message of the second broadcast service sent by the base station, acquires the configuration information of the MCCH of the second broadcast service, and acquires the frequency resource and/or the time slot and/or the sending period and/or the MCS and the like of the second broadcast service through the configuration information of the MCCH of the second broadcast service. And the UE receives the MCCH of the second broadcast service according to the obtained MCCH configuration information of the second broadcast service, and schedules the second time-frequency resources (namely, schedules the MTCH of the second broadcast service) according to the received MCCH, the CSA period and/or the CSA pattern and/or the MSP and/or the sub-frame occupied by the MTCH of the second broadcast service and the like. The second time frequency resource is partially overlapped or completely overlapped with the first time frequency resource.

The UE receives the MCCH of the first broadcast service according to the obtained MCCH configuration information of the first broadcast service, receives the MCCH of the second broadcast service according to the obtained MCCH configuration information of the second broadcast service, determines that the MCCH priority of the second broadcast service is higher than the MCCH priority of the first broadcast service, subsequently receives only the data information of the second broadcast service (namely only MTCH scheduled by the high-priority MCCH) on overlapped time-frequency resources of the second time-frequency resources and the first time-frequency resources, and obtains CSA periods and/or CSA patterns and/or MSPs and/or MTCH occupied subframes of the second broadcast service according to the received MCCH of the second broadcast service.

A base station sends MTCH of a second broadcast service, wherein the MTCH of the second broadcast service bears data information of the second broadcast service; and the UE receives the MTCH according to the acquired MTCH occupation subframe information of the second broadcast service and acquires the data information of the second broadcast service from the MTCH occupation subframe information.

It should be noted that the priority of the broadcast service described in the embodiment of the present application may be specifically embodied as a priority of a system message or a priority of a channel, for example, if the priority of the second broadcast service is higher than the priority of the first broadcast service, the priority of the system message of the second broadcast service may be preset to be higher than the priority of the system message of the first broadcast service, the priority of the MCCH of the second broadcast service may also be preset to be higher than the priority of the MCCH of the first broadcast service, and the like.

Example 3:

The method comprises the steps that a base station sends a system message of a first broadcast service, wherein the system message of the first broadcast service comprises Single Cell Radio Network Temporary Identity (SC-RNTI) information and the like of the first broadcast service, the system message of the first broadcast service is used for scheduling first time-frequency resources (the first time-frequency resources are used for scheduling PDCCH scrambled by the SC-RNTI), and the system message of the first broadcast service indicates that the scheduling priority of the first broadcast service is low.

And the base station sends a system message of a second broadcast service, wherein the system message of the second broadcast service comprises SC-RNTI information and the like of the second broadcast service, the system message of the second broadcast service schedules a second time-frequency resource, the second time-frequency resource is partially overlapped or completely overlapped with the first time-frequency resource, and the system message of the second broadcast service indicates that the scheduling priority of the second broadcast service is high priority.

And the UE receives the system message of the first broadcast service transmitted by the base station, and the UE receives the system message of the second broadcast service transmitted by the base station. And the UE determines that the scheduling priority of the second broadcast service is higher than that of the first broadcast service so as to determine that only the data information of the second broadcast service is received on the overlapped resources subsequently, acquires the configuration information of the SC-MCCH of the second broadcast service by receiving the system information of the second broadcast service sent by the base station, and acquires the SC-RNTI of the second broadcast service by the configuration information of the SC-MCCH of the second broadcast service.

The base station sends a PDCCH scrambled by an SC-RNTI of a second broadcast service, wherein the PDCCH scrambled by the SC-RNTI of the second broadcast service is used for scheduling a Single Cell Multicast Control Channel (SC-MCCH) carrying broadcast Control information of the second broadcast service, namely the PDCCH scrambled by the SC-RNTI of the second broadcast service transmits configuration information of the SC-MCCH of the second broadcast service.

And the UE receives the PDCCH scrambled by the SC-RNTI of the second broadcast service sent by the base station, and receives the configuration information of the SC-MCCH of the second broadcast service through the PDCCH scrambled by the SC-RNTI of the second broadcast service.

A base station sends an SC-MCCH for scheduling second broadcast service broadcast control information, wherein the SC-MCCH comprises information (namely second broadcast service broadcast control information) such as Group Radio Network Temporary Identity (G-RNTI) of the second broadcast service;

and the UE receives the SC-MCCH of the second broadcast service sent by the base station according to the configuration information of the SC-MCCH of the second broadcast service, and acquires the G-RNTI of the second broadcast service through the SC-MCCH of the second broadcast service.

The base station sends a PDCCH scrambled by a G-RNTI of a second broadcast service, wherein the PDCCH scrambled by the G-RNTI of the second broadcast service is used for scheduling a Single Cell Multicast Traffic CHannel (SC-MTCH) carrying broadcast data information of the second broadcast service, namely the PDCCH scrambled by the G-RNTI of the second broadcast service transmits configuration information of the SC-MTCH of the second broadcast service; and the UE receives the PDCCH, scrambled by the G-RNTI, of the second broadcast service sent by the base station, and receives the configuration information of the SC-MTCH of the second broadcast service through the PDCCH, scrambled by the G-RNTI, of the second broadcast service.

The base station sends SC-MTCH for bearing second broadcast service broadcast data information; and the UE receives the SC-MTCH sent by the base station according to the configuration information of the SC-MTCH of the second broadcast service and acquires the broadcast data information of the second broadcast service.

Example 4:

And the base station sends a system message of the first broadcast service, wherein the system message of the first broadcast service comprises SC-RNTI information and the like of the first broadcast service. The base station sends a PDCCH scrambled by an SC-RNTI of a first broadcast service, the PDCCH scrambled by the SC-RNTI of the first broadcast service is used for scheduling an SC-MCCH carrying broadcast control information of the first broadcast service, namely carrying SC-MCCH configuration information of the first broadcast service, the PDCCH scrambled by the SC-RNTI of the first broadcast service is also used for scheduling first time-frequency resources, and the PDCCH scrambled by the SC-RNTI of the first broadcast service also indicates that the scheduling priority of the first broadcast service is low priority.

And the base station sends a system message of a second broadcast service, wherein the system message of the second broadcast service comprises SC-RNTI information and the like of the second broadcast service. The base station sends a PDCCH scrambled by an SC-RNTI of a second broadcast service, the PDCCH scrambled by the SC-RNTI of the second broadcast service is used for scheduling an SC-MCCH bearing broadcast control information of the second broadcast service, namely carrying SC-MCCH configuration information of the second broadcast service, a system message of the second broadcast service schedules a second time-frequency resource, the second time-frequency resource is partially overlapped or completely overlapped with the first time-frequency resource, and the PDCCH scrambled by the SC-RNTI of the second broadcast service also indicates that the scheduling priority of the second broadcast service is high priority.

And the UE receives the system message of the first broadcast service sent by the base station and acquires the SC-RNTI of the first broadcast service from the system message. The UE receives a PDCCH which is sent by a base station and scrambled by an SC-RNTI of a first broadcast service, receives configuration information of the SC-MCCH of the first broadcast service through the received PDCCH of the first broadcast service, and schedules a first time-frequency resource (namely, the SC-MCCH for scheduling the first broadcast service).

And the UE receives the system message of the second broadcast service sent by the base station and acquires the SC-RNTI of the second broadcast service from the system message. And the UE receives the PDCCH of the second broadcast service scrambled by the SC-RNTI of the second broadcast service, which is sent by the base station, receives the configuration information of the SC-MCCH of the second broadcast service through the received PDCCH of the second broadcast service, and schedules the second time-frequency resource (namely, the SC-MCCH for scheduling the second broadcast service). The second time frequency resource is partially overlapped or completely overlapped with the first time frequency resource.

The UE receives the PDCCH of the first broadcast service scrambled by the SC-RNTI of the first broadcast service according to the obtained SC-RNTI of the first broadcast service, and descrambles the PDCCH; similarly, according to the obtained SC-RNTI of the second broadcast service, receiving the PDCCH of the second broadcast service scrambled by the SC-RNTI of the second broadcast service, and descrambling the PDCCH; then, the priority of the PDCCH scrambled by the SC-RNTI of the second broadcast service is judged to be higher than that of the PDCCH scrambled by the SC-RNTI of the first broadcast service, so that only the data information of the second broadcast service is received on the overlapped time-frequency resource subsequently, namely the UE receives the SC-MCCH according to the PDCCH scrambled by the SC-RNTI of the second broadcast service.

A base station sends an SC-MCCH (single carrier control channel) of a second broadcast service for scheduling broadcast control information of the second broadcast service, wherein the SC-MCCH of the second broadcast service comprises information such as G-RNTI (radio network temporary identifier) of the second broadcast service;

and the UE receives the SC-MCCH of the second broadcast service sent by the base station, and acquires the G-RNTI of the second broadcast service through the SC-MCCH of the second broadcast service.

The base station sends a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, wherein the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service is used for scheduling SC-MTCH carrying broadcast data information of the second broadcast service; and the UE receives the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service and sent by the base station, and acquires the configuration information of the SC-MTCH of the second broadcast service.

The base station sends SC-MTCH for bearing the broadcast data information of the second broadcast service; and the UE receives the SC-MTCH of the second broadcast service sent by the base station according to the configuration information of the SC-MTCH of the second broadcast service and acquires the broadcast data information of the second broadcast service.

Example 5:

the base station sends a system message of a first broadcast service, wherein the system message of the first broadcast service comprises SC-RNTI information and the like of the first broadcast service. And the base station sends the PDCCH of the first broadcast service scrambled by the SC-RNTI of the first broadcast service, wherein the PDCCH of the first broadcast service is used for scheduling the SC-MCCH of the first broadcast service for bearing the broadcast control information of the first broadcast service, namely the PDCCH of the first broadcast service comprises the configuration information of the SC-MCCH of the first broadcast service. The method comprises the steps that a base station sends an SC-MCCH (single carrier-multicast control channel) of a first broadcast service for scheduling broadcast control information of the first broadcast service, wherein the SC-MCCH of the first broadcast service comprises information such as G-RNTI (radio network temporary identifier) of the first broadcast service, the SC-MCCH of the first broadcast service schedules first time-frequency resources, and the SC-MCCH of the first broadcast service indicates that the scheduling priority of the first broadcast service is low.

And the base station sends a system message of a second broadcast service, wherein the system message of the second broadcast service comprises SC-RNTI information and the like of the second broadcast service. And the base station sends the PDCCH scrambled by the SC-RNTI of the second broadcast service, wherein the PDCCH scrambled by the SC-RNTI of the second broadcast service is used for scheduling the SC-MCCH for bearing the broadcast control information of the second broadcast service, namely the PDCCH of the second broadcast service comprises the configuration information of the SC-MCCH of the second broadcast service. The base station sends an SC-MCCH of a second broadcast service for scheduling broadcast control information of the second broadcast service, wherein the SC-MCCH of the second broadcast service comprises information such as G-RNTI (radio network temporary identifier) of the second broadcast service, the SC-MCCH of the second broadcast service schedules second time-frequency resources, the second time-frequency resources are partially overlapped or completely overlapped with the first time-frequency resources, and the SC-MCCH of the second broadcast service indicates that the scheduling priority of the second broadcast service is high.

And the UE receives the system message of the first broadcast service sent by the base station and acquires the SC-RNTI of the first broadcast service from the system message. And the UE receives the PDCCH of the first broadcast service scrambled by the SC-RNTI sent by the base station, and receives the SC-MCCH through the PDCCH for receiving the first broadcast service. And the UE receives the SC-MCCH of the first broadcast service sent by the base station, and acquires the G-RNTI of the first broadcast service through the SC-MCCH.

And the UE receives the system message of the second broadcast service sent by the base station and acquires the SC-RNTI of the second broadcast service. And the UE receives the PDCCH of the second broadcast service scrambled by the SC-RNTI of the second broadcast service, which is sent by the base station, and receives the SC-MCCH of the second broadcast service through the PDCCH for receiving the second broadcast service. And the UE receives the SC-MCCH of the second broadcast service sent by the base station, and acquires the G-RNTI of the second broadcast service through the SC-MCCH of the second broadcast service. The second time frequency resource is partially overlapped or completely overlapped with the first time frequency resource.

The UE receives the PDCCH of the first broadcast service scrambled by the SC-RNTI of the first broadcast service according to the obtained SC-RNTI of the first broadcast service, and descrambles the PDCCH; similarly, the PDCCH of the second broadcast service scrambled by the SC-RNTI of the second broadcast service is received according to the obtained SC-RNTI of the second broadcast service, and descrambling is carried out; and then, determining that the priority of the SC-MCCH of the second broadcast service is higher than that of the first broadcast service, only receiving the data information of the second broadcast service on the overlapped time-frequency resource, and acquiring the G-RNTI of the second broadcast service by the UE according to the SC-MCCH receiving the second broadcast service.

The base station sends a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, wherein the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service is used for scheduling SC-MTCH carrying broadcast data information of the second broadcast service; and the UE receives the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service and sent by the base station, and subsequently receives the SC-MTCH bearing the broadcast data information of the second broadcast service through the PDCCH.

The base station sends SC-MTCH for bearing second broadcast service broadcast data information; and the UE receives the SC-MTCH which is sent by the base station and used for bearing the second broadcast service broadcast data information, and acquires the second broadcast service broadcast data information from the SC-MTCH.

Example 6:

and the base station sends a system message of the first broadcast service, wherein the system message of the first broadcast service comprises SC-RNTI information and the like of the first broadcast service. And the base station sends the PDCCH of the first broadcast service scrambled by the SC-RNTI of the first broadcast service, wherein the PDCCH of the first broadcast service scrambled by the SC-RNTI of the first broadcast service is used for scheduling the SC-MCCH for bearing the broadcast control information of the first broadcast service, namely carrying the configuration information of the SC-MCCH of the first broadcast service. And the base station sends the SC-MCCH of the first broadcast service, wherein the SC-MCCH of the first broadcast service comprises information such as G-RNTI of the first broadcast service. A base station transmits a PDCCH of a first broadcast service scrambled by a G-RNTI of the first broadcast service, wherein the PDCCH of the first broadcast service scrambled by the G-RNTI of the first broadcast service is used for scheduling SC-MTCH carrying broadcast data information of the first broadcast service; and the PDCCH of the first broadcast service scrambled by the G-RNTI of the first broadcast service schedules first time-frequency resources, and the PDCCH of the first broadcast service scrambled by the G-RNTI of the first broadcast service also indicates that the scheduling priority of the first broadcast service is low priority.

And the base station sends a system message of a second broadcast service, wherein the system message of the second broadcast service comprises SC-RNTI information and the like of the second broadcast service. And the base station sends the PDCCH scrambled by the SC-RNTI of the second broadcast service, wherein the PDCCH scrambled by the SC-RNTI of the second broadcast service is used for scheduling the SC-MCCH for bearing the broadcast control information of the second broadcast service, namely carrying the configuration information of the SC-MCCH of the second broadcast service. And the base station sends the SC-MCCH of the second broadcast service, wherein the SC-MCCH of the second broadcast service comprises information such as G-RNTI (radio network temporary identifier) of the second broadcast service. The base station sends a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, wherein the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service is used for scheduling SC-MTCH bearing broadcast data information of the second broadcast service; and the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service schedules a second time-frequency resource, the second time-frequency resource is partially overlapped or completely overlapped with the first time-frequency resource, and the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service also indicates that the scheduling priority of the second broadcast service is high priority.

And the UE receives the system message of the first broadcast service sent by the base station and acquires the SC-RNTI of the first broadcast service from the system message. And the UE receives the PDCCH of the first broadcast service scrambled by the SC-RNTI of the first broadcast service sent by the base station, and receives the SC-MCCH of the first broadcast service through the received PDCCH of the first broadcast service scrambled by the SC-RNTI of the first broadcast service. And the UE receives the SC-MCCH of the first broadcast service sent by the base station, and acquires the G-RNTI of the first broadcast service through the SC-MCCH of the first broadcast service. The UE receives the PDCCH of the first broadcast service, which is transmitted by the base station and scrambled by the G-RNTI of the first broadcast service, and in the subsequent step, the SC-MTCH of the first broadcast service is received through the received PDCCH of the first broadcast service, which is scrambled by the G-RNTI of the first broadcast service.

And the UE receives the system message of the second broadcast service sent by the base station and acquires the SC-RNTI of the second broadcast service. And the UE receives the PDCCH of the second broadcast service scrambled by the SC-RNTI of the second broadcast service sent by the base station, and receives the SC-MCCH of the second broadcast service through the received PDCCH of the second broadcast service scrambled by the SC-RNTI of the second broadcast service. And the UE receives the SC-MCCH of the second broadcast service sent by the base station, and acquires the G-RNTI of the second broadcast service through the SC-MCCH of the second broadcast service. And the UE receives the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service and sent by the base station, and receives the SC-MTCH of the second broadcast service by receiving the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service in the subsequent step. The second time frequency resource is partially overlapped or completely overlapped with the first time frequency resource.

The UE receives the PDCCH scrambled by the G-RNTI of the first broadcast service according to the acquired G-RNTI of the first broadcast service, and descrambles the PDCCH; similarly, the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service is received according to the obtained G-RNTI of the second broadcast service, and descrambling is carried out; then, the priority of the PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service is judged to be higher than the priority of the PDCCH of the first broadcast service scrambled by the G-RNTI of the first broadcast service, and subsequently, only the data information of the second broadcast service needs to be received on overlapped time-frequency resources, namely, the UE acquires the SC-MTCH of the second broadcast service according to the received PDCCH of the second broadcast service scrambled by the G-RNTI of the second broadcast service.

The base station sends SC-MTCH of a second broadcast service bearing broadcast data information of the second broadcast service; and the UE receives the SC-MTCH of the second broadcast service which is sent by the base station and bears the broadcast data information of the second broadcast service, and acquires the broadcast data information of the second broadcast service from the SC-MTCH.

In summary, in the embodiments of the present application, on the basis of a normal broadcast service establishment procedure, the base station side receives an emergency broadcast service request, and can schedule and allocate wireless air interface resources through various links according to a priority policy, and establish a data channel for carrying an emergency broadcast service through a subsequent procedure. The base station side rapidly schedules wireless air interface resources to establish the special bearer of the emergency broadcast service data, and ensures that the priority of the data channel established by the process is higher than that of other normal broadcast service data channels through air interface scheduling, thereby ensuring the timeliness of the transmission of emergency broadcast messages.

In the above embodiments, one type is a procedure for establishing an emergency broadcast service bearer without PDCCH scheduling; the other is the process of emergency broadcast service bearer establishment under the condition of PDCCH scheduling.

Moreover, as can be seen from the foregoing embodiments, referring to fig. 7, on the base station side, the broadcast transmission method provided in the embodiments of the present application includes:

s101, informing a terminal of the priority of the broadcast service;

s102, scheduling wireless resources of the broadcast service according to the priority of the broadcast service, and transmitting the broadcast service to the terminal through the wireless resources.

Optionally, the broadcast service priority includes, for example, a first broadcast service priority and a second broadcast service priority, where the second broadcast service priority is higher than the first broadcast service priority.

The second broadcast service is an emergency service such as an earthquake, and the first broadcast service is a normal service.

Optionally (corresponding to the first embodiment), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal through the radio resource specifically includes:

sending the MCCH of the second broadcast service;

Optionally (corresponding to the second embodiment), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal through the radio resource specifically includes:

sending the MCCH of the first broadcast service, wherein the MCCH comprises indication information of which the scheduling priority of the first broadcast service is low priority;

and transmitting a Multicast Transport Channel (MTCH) of the second broadcast service, wherein the MTCH comprises data information of the second broadcast service.

Optionally (corresponding to the third embodiment), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal through the radio resource specifically includes:

sending a PDCCH of a second broadcast service scrambled by the SC-RNTI, wherein the PDCCH comprises configuration information of the SC-MCCH of the second broadcast service;

Optionally (corresponding to the fourth embodiment of the present invention), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal through the radio resource specifically includes:

Optionally (corresponding to the fifth embodiment), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal through the radio resource specifically includes:

transmitting a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, wherein configuration information of a single-cell multicast traffic channel (SC-MTCH) of the second broadcast service is included;

Optionally (corresponding to the sixth embodiment of the present invention), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal through the radio resource specifically includes:

transmitting a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, wherein the PDCCH comprises configuration information of an SC-MTCH of the second broadcast service and indication information that a scheduling priority of the second broadcast service is a high priority;

Correspondingly, referring to fig. 8, on the terminal side, the broadcast transmission method provided in the embodiment of the present application includes:

s201, acquiring the priority of the broadcast service;

s202, receiving the broadcast service with higher priority according to the priority of the broadcast service.

Optionally (corresponding to the first embodiment), the obtaining the priority of the broadcast service specifically includes:

Optionally (corresponding to the second embodiment), the acquiring the priority of the broadcast service specifically includes:

receiving an MCCH (multicast control channel) of a first broadcast service, and acquiring indication information of the first broadcast service with a low scheduling priority;

Optionally (corresponding to the third embodiment), the obtaining the priority of the broadcast service specifically includes:

receiving a PDCCH scrambled by the SC-RNTI of a second broadcast service on overlapped resources of the first broadcast service and the second broadcast service according to indication information that the scheduling priority of the first broadcast service is low and indication information that the scheduling priority of the second broadcast service is high, descrambling the PDCCH by adopting the SC-RNTI, and acquiring configuration information of the SC-MCCH of the second broadcast service;

Optionally (corresponding to the fourth embodiment), the obtaining the priority of the broadcast service specifically includes:

receiving the PDCCH scrambled by the SC-RNTI of the first broadcast service according to the configuration information of the PDCCH of the first broadcast service, descrambling the PDCCH through the SC-RNTI, and acquiring indication information that the scheduling priority of the first broadcast service is low priority from the PDCCH;

Optionally (corresponding to the fifth embodiment), the acquiring the priority of the broadcast service specifically includes:

receiving the PDCCH scrambled by the SC-RNTI of the first broadcast service based on the configuration information of the PDCCH of the first broadcast service, descrambling the PDCCH by using the SC-RNTI of the first broadcast service, and acquiring the configuration information of the SC-MCCH of the first broadcast service;

the method comprises the steps that an SC-MCCH of a first broadcast service is received based on configuration information of the SC-MCCH of the first broadcast service, G-RNTI information is obtained from the SC-MCCH, and indication information with low priority is used as scheduling priority of the first broadcast service;

according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, on the overlapped resources of the first broadcast service and the second broadcast service, receiving a PDCCH scrambled by the G-RNTI of the second broadcast service, and obtaining configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service from the PDCCH;

Optionally (corresponding to the sixth embodiment), the obtaining the priority of the broadcast service specifically includes:

receiving a PDCCH scrambled by SC-RNTI of a first broadcast service of the first broadcast service based on configuration information of the PDCCH of the first broadcast service, and acquiring indication information that the scheduling priority of the first broadcast service is low priority;

receiving a system message of a second broadcast service, and acquiring configuration information of a PDCCH (physical downlink control channel) of the second broadcast service and SC-RNTI (single cell radio network temporary identity) information of the second broadcast service;

receiving the SC-MCCH of the second broadcast service based on the configuration information of the SC-MCCH of the second broadcast service, and acquiring G-RNTI information of the second broadcast service from the SC-MCCH;

receiving a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, and acquiring the configuration information of the SC-MTCH of the second broadcast service and the indication information of which the scheduling priority of the second broadcast service is high priority;

Referring to fig. 9, the broadcast transmission apparatus provided in the embodiment of the present application includes: a memory 11 and a processor 12, wherein the memory 11 is used for storing program instructions, and the processor 12 is used for calling the program instructions stored in the memory 11 and executing any one of the above methods according to the obtained program.

Specifically, referring to fig. 10, on the base station side, the broadcast transmission apparatus provided in the embodiment of the present application includes:

the processor 500, which is used to read the program in the memory 520, executes the following processes:

informing the terminal of the broadcasting service priority through the transceiver 510;

and scheduling radio resources for the broadcast service according to the priority of the broadcast service, and transmitting the broadcast service to the terminal by using the radio resources through the transceiver 510.

Optionally (corresponding to the first embodiment of the above), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal by using the radio resource through the transceiver 510 specifically includes:

transmitting a system message of a first broadcast service through the transceiver 510, where the system message includes configuration information of a multicast control channel MCCH of the first broadcast service and indication information that a scheduling priority of the first broadcast service is a low priority;

after receiving the second broadcast service transmission request through the transceiver 510, sending a system message of the second broadcast service, where the system message includes MCCH configuration information of the second broadcast service and indication information that a scheduling priority of the second broadcast service is a high priority;

transmitting the MCCH of the second broadcast service through the transceiver 510;

the multicast transport channel MTCH of the second broadcast service, which includes broadcast data information of the second broadcast service, is transmitted through the transceiver 510.

Optionally (corresponding to the second embodiment described above), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and using the radio resource to transmit the broadcast service to the terminal through the transceiver 510 specifically includes:

transmitting, by the transceiver 510, a system message of a first broadcast service, which includes configuration information of a multicast control channel, MCCH, of the first broadcast service;

transmitting, by the transceiver 510, the MCCH of the first broadcast service, which includes indication information that the scheduling priority of the first broadcast service is a low priority;

after receiving a transmission request of a second broadcast service through the transceiver 510, sending a system message of the second broadcast service, wherein the system message includes configuration information of an MCCH of the second broadcast service;

transmitting, by the transceiver 510, the MCCH of the second broadcast service, which includes indication information that the scheduling priority of the second broadcast service is high priority;

the multicast transport channel MTCH of the second broadcast service, which includes data information of the second broadcast service, is transmitted through the transceiver 510.

Optionally (corresponding to the third embodiment above), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and using the radio resource to transmit the broadcast service to the terminal through the transceiver 510 specifically includes:

transmitting a system message of a first broadcast service through the transceiver 510, where the system message includes configuration information of a single cell multicast control channel SC-MCCH of the first broadcast service and indication information that a scheduling priority of the first broadcast service is a low priority; the configuration information of the SC-MCCH of the first broadcast service comprises single-cell radio network temporary identifier (SC-RNTI) information of the first broadcast service;

transmitting a system message of a second broadcast service through the transceiver 510, wherein the system message includes configuration information of an SC-MCCH of the second broadcast service and indication information that a scheduling priority of the second broadcast service is a high priority; the configuration information of the SC-MCCH of the second broadcast service comprises SC-RNTI information of the second broadcast service;

transmitting, by the transceiver 510, a PDCCH of a second broadcast service scrambled by the SC-RNTI, which includes configuration information of an SC-MCCH of the second broadcast service;

transmitting an SC-MCCH of a second broadcast service including group radio network temporary identity G-RNTI information of the second broadcast service through the transceiver 510;

transmitting, by the transceiver 510, a PDCCH of a second broadcast service scrambled by the G-RNTI, which includes configuration information of a single cell multicast traffic channel SC-MTCH of the second broadcast service;

the SC-MTCH of the second broadcast service, including the broadcast data information of the second broadcast service, is transmitted through the transceiver 510.

Optionally (corresponding to the fourth embodiment of the foregoing), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal by using the radio resource through the transceiver 510 specifically includes:

transmitting a system message of a first broadcast service through the transceiver 510, wherein the system message includes configuration information of a PDCCH of the first broadcast service and single cell radio network temporary identity SC-RNTI information of the first broadcast service;

transmitting, by a transceiver 510, a PDCCH of a first broadcast service scrambled by an SC-RNTI of the first broadcast service, which includes indication information that a scheduling priority of the first broadcast service is a low priority;

transmitting a system message of a second broadcast service including SC-RNTI information of the second broadcast service through the transceiver 510;

transmitting, by the transceiver 510, a PDCCH of a second broadcast service scrambled by an SC-RNTI of the second broadcast service, where the PDCCH includes indication information that a scheduling priority of the second broadcast service is a high priority, and configuration information of a single cell multicast control channel SC-MCCH of the second broadcast service;

transmitting, by the transceiver 510, the PDCCH of the second broadcast service scrambled by the G-RNTI, which includes configuration information of a single cell multicast traffic channel (SC-MTCH) of the second broadcast service;

Optionally (corresponding to the fifth embodiment of the above), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal by using the radio resource through the transceiver 510 specifically includes:

transmitting a system message of a first broadcast service through the transceiver 510, wherein the system message includes configuration information of a PDCCH of the first broadcast service and single-cell radio network temporary identity SC-RNTI information of the first broadcast service;

transmitting, by a transceiver 510, a PDCCH of a first broadcast service scrambled by an SC-RNTI of the first broadcast service, wherein configuration information of a single cell multicast control channel SC-MCCH of the first broadcast service is included;

transmitting an SC-MCCH of the first broadcast service including G-RNTI information and indication information that a scheduling priority of the first broadcast service is a low priority, through the transceiver 510;

transmitting a system message of a second broadcast service through the transceiver 510, wherein the system message includes configuration information of a PDCCH of the second broadcast service and SC-RNTI information of the second broadcast service;

transmitting, by a transceiver 510, a PDCCH of a second broadcast service scrambled by an SC-RNTI of the second broadcast service, which includes configuration information of the SC-MCCH of the second broadcast service;

transmitting an SC-MCCH of a second broadcast service through the transceiver 510, wherein the SC-MCCH includes group radio network temporary identifier G-RNTI information of the second broadcast service and indication information that a scheduling priority of the second broadcast service is a high priority;

transmitting, by the transceiver 510, a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, which includes configuration information of a single cell multicast traffic channel SC-MTCH of the second broadcast service;

Optionally (corresponding to the sixth embodiment of the foregoing), the scheduling, according to the priority of the broadcast service, a radio resource of the broadcast service, and transmitting the broadcast service to the terminal by using the radio resource through the transceiver 510 specifically includes:

transmitting, by the transceiver 510, a PDCCH of a first broadcast service scrambled by an SC-RNTI of the first broadcast service, including indication information that a scheduling priority of the first broadcast service is a low priority;

transmitting a system message of a second broadcast service, which includes configuration information of a PDCCH of the second broadcast service and SC-RNTI information of the second broadcast service, through the transceiver 510;

transmitting an SC-MCCH of a second broadcast service including G-RNTI information of the second broadcast service through the transceiver 510;

transmitting, by the transceiver 510, a PDCCH of a second broadcast service scrambled by a G-RNTI of the second broadcast service, including configuration information of an SC-MTCH of the second broadcast service and indication information that a scheduling priority of the second broadcast service is a high priority;

A transceiver 510 for receiving and transmitting data under the control of the processor 500.

Wherein in fig. 10 the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 500 and various circuits of memory represented by memory 520 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 510 may be a plurality of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.

The processor 500 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or a Complex Programmable Logic Device (CPLD).

Accordingly, referring to fig. 11, on the terminal side, the broadcast transmission apparatus provided in the embodiment of the present application includes:

the processor 600 is used for reading the program in the memory 620 and executing the following processes:

acquiring the priority of a broadcast service;

according to the broadcast service priority, a higher priority broadcast service is received through the transceiver 610.

receiving a system message of a first broadcast service through a transceiver 610, and acquiring indication information that the scheduling priority of the first broadcast service is low priority and MCCH configuration information of the first broadcast service;

receiving a system message of a second broadcast service through the transceiver 610, and acquiring indication information that the scheduling priority of the second broadcast service is high priority and MCCH configuration information of the second broadcast service;

the receiving, by the transceiver 610, the broadcast service with a higher priority according to the priority of the broadcast service specifically includes:

receiving an MCCH of a second broadcast service through the transceiver 610 according to MCCH configuration information of the second broadcast service on an overlapping resource of the first broadcast service and the second broadcast service according to the indication information that a scheduling priority of the first broadcast service is a low priority and a scheduling priority of the second broadcast service is a high priority, and acquiring configuration information of a multicast transmission channel MTCH of the second broadcast service therefrom;

the MTCH of the second broadcast service is received through the transceiver 610 according to the configuration information of the MTCH of the second broadcast service and broadcast data information of the second broadcast service is acquired therefrom.

receiving a system message of a first broadcast service through a transceiver 610, and acquiring configuration information of a Multicast Control Channel (MCCH) of the first broadcast service;

receiving the MCCH of the first broadcast service through the transceiver 610, and acquiring the indication information that the scheduling priority of the first broadcast service is a low priority;

receiving a system message of a second broadcast service through the transceiver 610, and acquiring configuration information of an MCCH of the second broadcast service;

receiving the MCCH of the second broadcast service through the transceiver 610, and acquiring the indication information from the MCCH of the second broadcast service, where the scheduling priority of the second broadcast service is high priority;

according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, the multicast transmission channel MTCH of the second broadcast service is received through the transceiver 610 on the overlapped resource of the first broadcast service and the second broadcast service, and the data information of the second broadcast service is obtained therefrom.

Optionally (corresponding to the third embodiment), the acquiring the priority of the broadcast service specifically includes:

receiving a system message of a first broadcast service through a transceiver 610, and acquiring indication information that the scheduling priority of the first broadcast service is low priority;

receiving a system message of a second broadcast service through the transceiver 610, obtaining indication information that the scheduling priority of the second broadcast service is high priority and configuration information of an SC-MCCH of the second broadcast service from the system message, and obtaining SC-RNTI information of the second broadcast service from the configuration information of the SC-MCCH of the second broadcast service;

receiving a PDCCH scrambled by the SC-RNTI of a second broadcast service through a transceiver 610 on an overlapped resource of the first broadcast service and the second broadcast service according to indication information that the scheduling priority of the first broadcast service is low priority and indication information that the scheduling priority of the second broadcast service is high priority, descrambling the PDCCH by adopting the SC-RNTI, and acquiring configuration information of the SC-MCCH of the second broadcast service;

receiving the SC-MCCH of the second broadcast service through the transceiver 610 according to the configuration information of the SC-MCCH of the second broadcast service, and acquiring group radio network temporary identifier G-RNTI information of the second broadcast service;

receiving the PDCCH scrambled by the G-RNTI of the second broadcast service through the transceiver 610, descrambling the PDCCH by adopting the G-RNTI, and acquiring configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service;

the SC-MTCH of the second broadcast service is received through the transceiver 610 according to the configuration information of the SC-MTCH of the second broadcast service and broadcast data information of the second broadcast service is acquired therefrom.

Optionally (corresponding to the fourth embodiment), the acquiring the priority of the broadcast service specifically includes:

receiving a system message of a first broadcast service through a transceiver 610, and obtaining configuration information of a PDCCH of the first broadcast service and single-cell radio network temporary identifier SC-RNTI information of the first broadcast service;

receiving, by the transceiver 610, the PDCCH of the first broadcast service scrambled by the SC-RNTI of the first broadcast service according to the configuration information of the PDCCH of the first broadcast service, descrambling the PDCCH by using the SC-RNTI, and obtaining indication information that the scheduling priority of the first broadcast service is low priority from the PDCCH;

receiving a system message of a second broadcast service through the transceiver 610, and acquiring SC-RNTI information of the second broadcast service therefrom;

receiving a PDCCH of a second broadcast service scrambled by an SC-RNTI of the second broadcast service through the transceiver 610, descrambling the PDCCH through the SC-RNTI of the second broadcast service, and acquiring indication information that the scheduling priority of the second broadcast service is high priority and configuration information of a single-cell multicast control channel SC-MCCH of the second broadcast service;

according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, on the overlapped resource of the first broadcast service and the second broadcast service, according to the configuration information of the SC-MCCH of the second broadcast service, the SC-MCCH of the second broadcast service is received through the transceiver 610, and the group radio network temporary identifier G-RNTI information of the second broadcast service is obtained from the SC-MCCH;

receiving the PDCCH scrambled by the G-RNTI of the second broadcast service through the transceiver 610, descrambling the PDCCH through the G-RNTI, and acquiring configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service;

and according to the configuration information of the SC-MTCH, receiving the SC-MTCH of the second broadcast service through the transceiver 610, and acquiring the broadcast data information of the second broadcast service therefrom.

receiving, by the transceiver 610, a PDCCH scrambled by an SC-RNTI of a first broadcast service of the first broadcast service based on configuration information of the PDCCH of the first broadcast service, and descrambling the PDCCH using the SC-RNTI of the first broadcast service to obtain configuration information of the SC-MCCH of the first broadcast service therefrom;

receiving the SC-MCCH of the first broadcast service through the transceiver 610 based on the configuration information of the SC-MCCH of the first broadcast service, and acquiring G-RNTI information and indication information of which the scheduling priority of the first broadcast service is low priority;

receiving a system message of a second broadcast service through the transceiver 610, and obtaining configuration information of a PDCCH of the second broadcast service and SC-RNTI information of the second broadcast service;

receiving, by the transceiver 610, a PDCCH scrambled by an SC-RNTI of a second broadcast service of the second broadcast service based on configuration information of the PDCCH of the second broadcast service, and descrambling the PDCCH using the SC-RNTI of the second broadcast service to obtain configuration information of an SC-MCCH of the second broadcast service therefrom;

receiving the SC-MCCH of the second broadcast service through the transceiver 610 based on the configuration information of the SC-MCCH of the second broadcast service, and acquiring G-RNTI information and indication information of which the scheduling priority of the second broadcast service is high priority;

according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, on the overlapped resources of the first broadcast service and the second broadcast service, the PDCCH scrambled by the G-RNTI of the second broadcast service is received through the transceiver 610, and configuration information of a single-cell multicast service channel SC-MTCH of the second broadcast service is obtained from the PDCCH;

the SC-MTCH of the second broadcast service is received through the transceiver 610 based on the configuration information of the SC-MTCH of the second broadcast service and broadcast data information of the second broadcast service is acquired therefrom.

receiving a system message of a first broadcast service through the transceiver 610, and obtaining configuration information of a PDCCH of the first broadcast service and SC-RNTI information of the first broadcast service therefrom;

receiving, by the transceiver 610, a PDCCH scrambled by an SC-RNTI of the first broadcast service based on configuration information of the PDCCH of the first broadcast service, and obtaining therefrom indication information that a scheduling priority of the first broadcast service is a low priority;

receiving, by the transceiver 610, the PDCCH scrambled by the SC-RNTI of the second broadcast service based on the configuration information of the PDCCH of the second broadcast service, and acquiring configuration information of the SC-MCCH of the second broadcast service therefrom;

receiving the SC-MCCH of the second broadcast service through the transceiver 610 based on the configuration information of the SC-MCCH of the second broadcast service, and acquiring G-RNTI information of the second broadcast service;

receiving, by the transceiver 610, a PDCCH of the second broadcast service scrambled by a G-RNTI of the second broadcast service, and obtaining configuration information of an SC-MTCH of the second broadcast service and indication information that a scheduling priority of the second broadcast service is a high priority;

and receiving the SC-MTCH of the second broadcast service through the transceiver 610 on the overlapped resource of the first broadcast service and the second broadcast service according to the indication information that the scheduling priority of the first broadcast service is low priority and the indication information that the scheduling priority of the second broadcast service is high priority, and acquiring the broadcast data information of the second broadcast service from the SC-MTCH.

A transceiver 610 for receiving and transmitting data under the control of the processor 600.

Where, in fig. 11, the bus architecture may include any number of interconnected buses and bridges, in particular one or more processors, represented by processor 600, and various circuits, represented by memory 620, linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 610 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. For different user devices, the user interface 630 may also be an interface capable of interfacing externally to a desired device, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

The processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 may store data used by the processor 600 in performing operations.

Alternatively, the processor 600 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a CPLD (Complex Programmable Logic Device).

Referring to fig. 12, on the base station side, another broadcast transmission apparatus provided in the embodiment of the present application includes:

a notifying unit 121, configured to notify the terminal of the priority of the broadcast service;

a transmitting unit 122, configured to schedule a radio resource of the broadcast service according to the priority of the broadcast service, and transmit the broadcast service to the terminal through the radio resource.

The unit may also execute other processes in the broadcast transmission method at the base station side, which are not described herein again.

Referring to fig. 13, on the terminal side, another broadcast transmission apparatus provided in the embodiment of the present application includes:

an obtaining unit 131, configured to obtain a priority of a broadcast service;

a receiving unit 132, configured to receive a broadcast service with a higher priority according to the priority of the broadcast service.

The unit may also execute other processes in the terminal-side broadcast transmission method, which are not described herein again.

It should be noted that, in the embodiment of the present application, the division of the unit is schematic, and is only one logic function division, and when the actual implementation is realized, another division manner may be provided. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, an optical disk, or other various media capable of storing program codes.

The embodiment of the present application provides a computing device, which may specifically be a desktop computer, a portable computer, a smart phone, a tablet computer, a Personal Digital Assistant (PDA), and the like. The computing device may include a Central Processing Unit (CPU), memory, input/output devices, etc., the input devices may include a keyboard, mouse, touch screen, etc., and the output devices may include a Display device, such as a Liquid Crystal Display (LCD), Cathode Ray Tube (CRT), etc.

The memory may include Read Only Memory (ROM) and Random Access Memory (RAM), and provides the processor with program instructions and data stored in the memory. In the embodiments of the present application, the memory may be used for storing a program of any one of the methods provided by the embodiments of the present application.

The processor is used for executing any method provided by the embodiment of the application according to the obtained program instructions by calling the program instructions stored in the memory.

Embodiments of the present application provide a computer storage medium for storing computer program instructions for an apparatus provided in the embodiments of the present application, which includes a program for executing any one of the methods provided in the embodiments of the present application.

The computer storage media may be any available media or data storage device that can be accessed by a computer, including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), Solid State Disks (SSDs)), etc.

The method provided by the embodiment of the application can be applied to terminal equipment and network equipment.

The Terminal device may also be referred to as a User Equipment (User Equipment, abbreviated as "UE"), a Mobile Station (Mobile Station, abbreviated as "MS"), a Mobile Terminal (Mobile Terminal), or the like, and optionally, the Terminal may have a capability of communicating with one or more core networks through a Radio Access Network (RAN), for example, the Terminal may be a Mobile phone (or referred to as a "cellular" phone), a computer with Mobile property, or the like, and for example, the Terminal may also be a portable, pocket, hand-held, computer-built-in, or vehicle-mounted Mobile device.

A network device may be a base station (e.g., access point) that refers to a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminals. The base station may be configured to interconvert received air frames and IP packets as a router between the wireless terminal and the rest of the access network, which may include an Internet Protocol (IP) network. The base station may also coordinate attribute management for the air interface. For example, the Base Station may be a Base Transceiver Station (BTS) in GSM or CDMA, a Base Station (NodeB) in WCDMA, an evolved Node B (NodeB or eNB or e-NodeB) in LTE, or a gNB in 5G system. The embodiments of the present application are not limited.

The above method process flow may be implemented by a software program, which may be stored in a storage medium, and when the stored software program is called, the above method steps are performed.

In summary, according to the technical solution provided by the embodiment of the present application, after the core network issues the emergency request, the base station side can schedule the emergency wireless resource in time according to the priority, quickly establish the emergency data service channel, and the terminal user can receive the emergency broadcast message in time.

In the emergency industry chain, emergency broadcasting is used as the most basic guarantee and the most critical guarantee. The emergency information is maintained to be quickly spread from the aspects of prevention preparation, monitoring and early warning, rescue and post-disaster reconstruction, so that the priority of each link in the emergency process is to realize the quick, efficient and safe emergency management.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A broadcast transmission method, comprising:

informing the terminal of the priority of the broadcast service;

and scheduling the wireless resources of the broadcast service according to the priority of the broadcast service, and transmitting the broadcast service to the terminal through the wireless resources.

2. The method of claim 1, wherein the broadcast service priority comprises a first broadcast service priority and a second broadcast service priority, and wherein the second broadcast service priority is higher than the first broadcast service priority.

3. The method of claim 2, wherein scheduling radio resources of a broadcast service according to a priority of the broadcast service, and transmitting the broadcast service to a terminal through the radio resources comprises:

sending the MCCH of the second broadcast service;

and transmitting the multicast transport channel MTCH of the second broadcast service, which includes the broadcast data information of the second broadcast service.

4. The method of claim 2, wherein scheduling radio resources of a broadcast service according to a priority of the broadcast service, and transmitting the broadcast service to a terminal through the radio resources comprises:

5. The method according to claim 2, wherein scheduling radio resources of the broadcast service according to the priority of the broadcast service, and transmitting the broadcast service to the terminal through the radio resources comprises:

sending an SC-MCCH (single carrier control channel) of a second broadcast service, wherein the SC-MCCH comprises group radio network temporary identifier G-RNTI (radio network temporary identifier) information of the second broadcast service;

6. The method according to claim 2, wherein scheduling radio resources of the broadcast service according to the priority of the broadcast service, and transmitting the broadcast service to the terminal through the radio resources comprises:

7. The method according to claim 2, wherein scheduling radio resources of the broadcast service according to the priority of the broadcast service, and transmitting the broadcast service to the terminal through the radio resources comprises:

sending a PDCCH of a first broadcast service scrambled by an SC-RNTI of the first broadcast service, wherein the PDCCH comprises configuration information of a single-cell multicast control channel (SC-MCCH) of the first broadcast service;

8. The method according to claim 2, wherein scheduling radio resources of the broadcast service according to the priority of the broadcast service, and transmitting the broadcast service to the terminal through the radio resources comprises:

9. A method of broadcast transmission, the method comprising:

acquiring the priority of a broadcast service;

10. The method of claim 9, wherein the broadcast service priority comprises a first broadcast service priority and a second broadcast service priority, wherein the second broadcast service priority is higher than the first broadcast service priority.

11. The method according to claim 10, wherein the acquiring the priority of the broadcast service specifically comprises:

receiving a system message of a first broadcast service, and acquiring indication information of which the scheduling priority of the first broadcast service is low priority and MCCH (multicast control channel) configuration information of the first broadcast service;

12. The method of claim 10, wherein the obtaining the broadcast service priority specifically comprises:

receiving a system message of a second broadcast service, and acquiring MCCH configuration information of the second broadcast service from the system message;

receiving an MCCH (multicast control channel) of a second broadcast service, and acquiring indication information of the second broadcast service with a high scheduling priority;

13. The method of claim 10, wherein the obtaining the broadcast service priority specifically comprises:

receiving a system message of a second broadcast service, acquiring indication information of which the scheduling priority of the second broadcast service is high priority and configuration information of an SC-MCCH (service center-radio control channel) of the second broadcast service, and acquiring SC-RNTI (service center-radio network temporary identifier) information of the second broadcast service from the configuration information of the SC-MCCH of the second broadcast service;

14. The method of claim 10, wherein the obtaining the broadcast service priority specifically comprises:

15. The method of claim 10, wherein the obtaining the broadcast service priority specifically comprises:

16. The method according to claim 10, wherein the acquiring the priority of the broadcast service specifically comprises:

17. A broadcast transmission apparatus, comprising:

18. A broadcast transmission apparatus, comprising:

an obtaining unit, configured to obtain a priority of a broadcast service;

19. A broadcast transmission apparatus, comprising:

a memory for storing program instructions;

a processor for invoking program instructions stored in said memory to execute the method of any of claims 1-16 in accordance with the obtained program.

20. A computer storage medium having stored thereon computer-executable instructions for causing a computer to perform the method of any one of claims 1 to 16.