CN114598999A - Multicast service processing method, access network node and server - Google Patents
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Abstract
The embodiment of the invention provides a method for processing a multicast service, an access network node and a server, wherein the method for processing the multicast service comprises the following steps: the access network node sends an empty multicast message to the terminal according to the multicast identification and/or the multicast related terminal information, and sends the empty multicast message to the terminal. The scheme of the invention can realize unicast and multicast conversion at the data packet level, has the characteristic of flexible unicast and multicast conversion, solves the problem of cell-level unicast and multicast conversion in the prior art, and saves more network resources. The method is particularly suitable for the technical field of wireless communication, such as multicast and unicast conversion, related to services/applications of which data need to be transmitted to a plurality of UE terminals.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for processing a multicast service, an access network node, and a server.
Background
Currently, unicast and multicast data are sent using different network nodes and resources. The network node includes SMF (session management function), UPF (user plane function), etc., and the resource includes PDU session (protocol data unit), radio bearer, physical resource, etc.
The problems existing in the prior art are as follows: the minimum granularity applied by the unicast or multicast transmission mode is a cell, that is, the service can only be issued in one cell in one of the multicast mode and the unicast mode. For a certain service/application (e.g. multiplayer online game), there may be some data that many UEs (user equipment or terminals) need and some data that are different for each UE, and for this case, the service data can only be sent to different UEs in a unicast manner. For the same data needed by multiple UEs, multiple physical resources are occupied on the air interface, which results in resource waste.
Disclosure of Invention
The invention provides a processing method of multicast service, an access network node and a server. The problem of resource waste caused by the fact that the service data can only be sent to different UE in a unicast mode in the prior art can be solved.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
a processing method of multicast service is applied to an access network node, and the method comprises the following steps:
the access network node receives a multicast identifier and/or multicast related terminal information sent by an application server;
and the access network node sends an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
Optionally, the multicast-related terminal information includes at least one of:
a terminal identification;
a protocol data unit session identification PDU session ID of the terminal;
the QoS flow identifies the QoS flow ID;
the IP flow identifies an IP flow ID;
cell identification (cell ID);
the location of the terminal.
Optionally, the receiving, by the access network node, the multicast identifier and/or the multicast-related terminal information sent by the application server includes:
and the access network node receives the multicast identification and/or the multicast related terminal information through a multicast data packet or a control message.
Optionally, the method for processing the multicast service further includes:
the access network node sends multicast information discovery configuration indication information to the application server; alternatively, the first and second electrodes may be,
and after the strategy control node sends the multicast information discovery trigger message to the application server, the access network node receives the multicast information discovery trigger message sent by the strategy control node and configures multicast resources for the terminal.
Optionally, the multicast information discovery configuration indication information includes at least one of:
a terminal quantity threshold;
multicast discovery on time range;
a multicast discovery zone.
Optionally, the method for processing the multicast service further includes:
the access network node indicates information which needs to be carried to an application server to a terminal, wherein the information carried to the application server comprises at least one of the following items: a protocol data unit session identification PDU session ID of the terminal, a quality of service flow identification QoS flow ID, an IP flow identification IP flow ID, a cell identification cell ID, a position of the terminal, an access network node ID, an indication information carrying time range and an indication information carrying area range.
Optionally, the sending, by the access network node, an air interface multicast message to the terminal according to the multicast identifier and/or the multicast-related terminal information includes:
and the access network node sends an air interface multicast message to the terminal through at least one of a Radio Resource Control (RRC) message, a Media Access Control (MAC) CE, a Physical Downlink Control Channel (PDCCH), a unicast data packet, a control signaling and a multicast data packet.
Optionally, the air interface multicast information includes at least one of the following:
multicast resource position, Group radio network temporary identifier Group RNTI, multicast receiving time range, area capable of receiving multicast message, multicast hybrid automatic repeat request HARQ feedback resource configuration, whether to monitor multicast data only, whether to monitor multicast and unicast data simultaneously, whether to use multicast code, multicast code configuration, multicast resource activation indication, and whether to be the last multicast media access control protocol data unit MAC PDU.
The embodiment of the invention also provides a processing method of the multicast service, which is applied to an application server, and the method comprises the following steps:
the application server receives multicast information discovery configuration indication information sent by an access network node or a policy control node;
and the application server sends the multicast identification and/or the multicast related terminal information to the access network node.
Optionally, the multicast-related terminal information includes at least one of:
a terminal identification;
a protocol data unit session identification PDU session ID of the terminal;
the QoS flow identifies the QoS flow ID;
the IP flow identifies an IP flow ID;
cell identification (cell ID);
the location of the terminal.
Optionally, the sending, by the application server, the multicast identifier and/or the multicast-related terminal information to the access network node includes:
and the application server sends the multicast identification and/or the multicast related terminal information to an access network node through a multicast data packet or a control message.
Optionally, the multicast information discovery configuration indication information includes at least one of:
a terminal quantity threshold;
multicast discovery on time range;
a multicast discovery zone.
Optionally, the method for processing the multicast service further includes:
the application server adds a multicast identifier to the service data sent to the terminal through a core network user plane node, and sends multicast data to the terminal through an access network node, wherein the last unicast data packet sent to the terminal carries air interface multicast information, and the multicast data packet sent to the terminal carries an indication whether the data packet is the last multicast data packet.
Optionally, the method for processing the multicast service further includes:
the application server sends a unicast data packet to the terminal through the access network node, carries indication information of multicast resource activation and/or unicast and multicast simultaneous reception, and sends a unicast data packet and a multicast data packet to the terminal simultaneously.
The embodiment of the invention also provides a processing device of multicast service, which is applied to the access network node, and the device comprises:
the receiving and sending module is used for receiving the multicast identification and/or the multicast related terminal information sent by the application server; and sending an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
An embodiment of the present invention further provides an access network node, including:
the transceiver is used for receiving the multicast identification and/or the multicast related terminal information sent by the application server; and sending an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
The embodiment of the invention also provides a processing device of the multicast service, which is applied to an application server, and the device comprises:
the receiving and sending module is used for receiving multicast information discovery configuration indication information sent by an access network node or a strategy control node; and sending the multicast identification and/or the multicast related terminal information to the access network node.
An embodiment of the present invention further provides an application server, including:
the system comprises a transceiver and a strategy control node, wherein the transceiver is used for receiving multicast information discovery configuration indication information sent by an access network node or the strategy control node; and sending the multicast identification and/or the multicast related terminal information to the access network node.
An embodiment of the present invention further provides a communication device, including: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above.
Embodiments of the present invention also provide a computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method as described above.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, the multicast identification and/or the multicast related terminal information sent by the application server are received through the access network node; the access network node sends an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information, so that flexible unicast/multicast conversion can be realized, and more network resources are saved.
Drawings
Fig. 1 is a schematic flow chart of a method for processing multicast services on an access network node side according to the present invention;
fig. 2 is a schematic interaction flow diagram of a processing method of multicast service according to the present invention;
fig. 3 is a schematic flow chart of a specific implementation of the multicast service processing method according to the present invention;
fig. 4 is a schematic flow chart of a specific implementation of the multicast service processing method according to the present invention;
fig. 5 is a flowchart illustrating a method for processing a multicast service on a server side according to the present invention;
fig. 6 is a schematic block structure diagram of a processing apparatus for multicast service at an access network node side according to the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a method for processing a multicast service, which is applied to an access network node, and the method includes:
and step 12, the access network node sends an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
In this embodiment, the multicast identifier refers to an identifier or indication information indicating which data can be multicast-transmitted, and the multicast-related terminal information may include at least one of the following: a terminal identity (UE ID); a protocol data unit session identifier (PDU session ID) of the terminal; quality of service flow identification (QoS flow ID); IP flow identification (IP flow ID); cell identification (cell ID); the location of the terminal.
The air interface multicast message may include at least one of the following:
multicast resource position, Group radio network temporary identifier Group RNTI, multicast receiving time range, area capable of receiving multicast message, multicast hybrid automatic repeat request HARQ feedback resource configuration, whether to monitor multicast data only, whether to monitor multicast and unicast data simultaneously, whether to use multicast code, multicast code configuration, multicast resource activation indication, and whether to be the last multicast media access control protocol data unit MAC PDU.
The scheme of the embodiment receives the multicast identification and/or the multicast related terminal information sent by the application server through the access network node; and the access network node sends an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information. The unicast/multicast conversion can be realized, and more network resources can be saved by the flexible unicast/multicast conversion.
In an alternative embodiment of the present invention, the step 11 may include:
and step 111, the access network node receives the multicast identifier and/or the multicast related terminal information through a multicast data packet or a control message.
Here, when discovering that data can be sent in a multicast manner, the application server carries a multicast identifier and/or multicast-related terminal information in a first multicast-capable data packet, and accordingly, the access network node receives the multicast identifier and/or multicast-related terminal information through the multicast data packet.
Certainly, when the application server finds that the data can be sent in a multicast mode, the application server can also send a multicast identifier and/or multicast related terminal information to the access network node through the control message; correspondingly, the access network node receives the multicast identification and/or the multicast related terminal information through a control message.
In an optional embodiment of the present invention, before step 11, the method for processing a multicast service may further include:
step 110, the access network node sends multicast information discovery configuration indication information to the application server; alternatively, the first and second electrodes may be,
and step 111, after the policy control node sends the multicast information discovery trigger message to the application server, the access network node receives the multicast information discovery trigger message sent by the policy control node and configures multicast resources for the terminal.
Here, the multicast information discovery configuration indication information includes at least one of: a terminal quantity threshold; multicast discovery on time range; a multicast discovery zone.
In step 110, in an implementation manner that the access network node directly triggers the multicast information discovery configuration indication information to the application server: the access network node indicates a multicast information discovery configuration to the application server, the configuration including at least one of:
UE quantity threshold: and when the application server finds or predicts that a certain data packet/data packets need to be simultaneously sent to the UE (user equipment) in the same cell and the number of the UE exceeds the number threshold of the UE, the application server sends the multicast identification and the multicast related UE information to the access network node.
Multicast discovery on time range: in the time range, the application server is required to find whether a data packet which can be issued in a multicast mode exists; if not, the application server does not need to start the function.
Multicast discovery area: the area may be a cell list, a tracking area list, a geographical area range. And when the UE which is discovered to be served by the application server is in the multicast discovery area, starting the multicast discovery function.
In step 111, triggering the application server to send a multicast identifier and/or multicast-related terminal information to the access network node through the policy control node; optionally, for a certain specific application, the policy control node indicates to the application server to start multicast information discovery; and the strategy control node indicates the related access network node to start the multicast information discovery function of a certain service.
In an optional embodiment of the present invention, the method for processing a multicast service may further include:
step 113, the access network node indicates to the terminal the information that needs to be carried to the application server, where the information carried to the application server includes at least one of the following: a protocol data unit session identification PDU session ID of the terminal, a quality of service flow identification QoS flow ID, an IP flow identification IP flow ID, a cell identification cell ID, a position of the terminal, an access network node ID, an indication information carrying time range and an indication information carrying area range.
In this embodiment, the access network node may further indicate, to the UE, information that needs to be carried to the application server, where the information that needs to be carried at least includes one of the following: UE PDU session ID, QoS flow ID, IP flow ID, cell ID, UE position, access network node ID, indication information carrying time range and indication information carrying area range.
In an alternative embodiment of the present invention, the step 12 may include:
in step 121, the access network node sends an air interface multicast message to the terminal through at least one of a radio resource control RRC message, a media access control unit MAC CE, a physical downlink control channel PDCCH, a unicast data packet, a control signaling, and a multicast data packet.
In this embodiment, the air interface multicast information may be sent to the UE through an RRC message, an MAC CE, and a PDCCH. Wherein the content of the first and second substances,
the air interface multicast information in the RRC message comprises at least one of the following information: multicast resource position, Group RNTI, multicast receiving time range, area capable of receiving multicast message, multicast HARQ feedback resource configuration, whether to monitor multicast data only, whether to monitor multicast and unicast data simultaneously, whether to use multicast code and multicast code configuration;
the air interface multicast information in the MAC CE includes at least one of: group RNTI, whether only monitoring multicast data, whether simultaneously monitoring multicast and unicast data, multicast resource activation indication, whether the last multicast MAC PDU is. The MAC CE may be sent to the UE in the same MAC PDU as the multicast data, or may be in a different MAC PDU.
The air interface multicast information in the PDCCH at least comprises: multicast resource locations.
In the embodiment of the invention, the air interface multicast information can be carried in a unicast data packet of each UE and sent to the UE, can also be sent to the UE through an independent control signaling, and can also be sent to the UE through a multicast data packet. These three modes can be applied in combination.
The implementation process of the above method embodiment is described below with reference to specific drawings:
as shown in fig. 2, a specific implementation flow of the method for processing a multicast service of the present invention includes:
step 1, an application server receives multicast information discovery configuration sent by an access network node;
step 2: the application server indicates information which needs to be carried to the application server to the UE;
and step 3: the application server sends a multicast identifier and multicast related UE information to the access network node;
and 4, step 4: and the access network node sends an air interface multicast information indication to the multicast related UE.
In a specific implementation manner, as shown in fig. 3, a specific implementation flow of the processing method for multicast services includes:
1. the access network node indicates an application server to start multicast information discovery in some cells based on cell load information and congestion prediction, wherein the multicast information discovery configuration carries a cell list and a multicast starting time range;
2. the application server indicates UE through application layer information, and when the UE is in the range of the cells, the UE needs to carry the cell ID;
3. when finding that data packets capable of being sent in a multicast mode exist in the cell range and the multicast starting time range, the application server sends the related UE ID, PDU session ID and cell ID to the related access network node through the control information; meanwhile, the application server indicates the core network user plane node to add the multicast identifier in the corresponding data packet header (for example, the UPF is added in the GTP-U packet header);
4. the access network node carries multicast related information in the previous unicast data packet of each UE, for example, the MAC CE carries the Group RNTI, and the UE receives related service data by using the indicated Group RNTI;
5. the access network node carries the indication information of whether the multicast data packet is the last multicast MAC PDU or not in the subsequent multicast data packet, and if the multicast data packet is the last multicast MAC PDU, the UE receives the service information in a unicast mode subsequently.
In a specific implementation manner, as shown in fig. 4, a specific implementation flow of the processing method for multicast services includes:
1. aiming at a certain specific application, the strategy control node indicates to start multicast information discovery;
2. meanwhile, the strategy control node indicates the related access network node to start the multicast information discovery function of a certain service;
3. based on service request information (such as s-NSSAI) of the UE, the access network node sends multicast configuration corresponding to the service to the relevant UE through RRC information, wherein the multicast configuration comprises multicast resources, Group RNTI and the like;
4. when discovering that data can be sent in a multicast mode, the application server carries a multicast indication, a related UE ID, a PDU session ID and a cell ID in a first multicast-capable data packet;
5. after receiving a first multicast data packet, the access network node indicates related UE to receive multicast messages through specific multicast resources through a unicast data packet, and indicates the UE to receive unicast and multicast simultaneously;
6-7, if the subsequent service data carries the multicast identification, the access network sends the data to the UE in a multicast mode; otherwise, the data is sent to the UE in a unicast mode.
The above-described embodiments of the present invention may implement packet-level unicast-multicast switching rather than cell-level unicast-multicast switching as in the prior art. The flexible unicast-multicast switching can save more network resources.
As shown in fig. 5, an embodiment of the present invention further provides a method for processing a multicast service, which is applied to a server, where the method includes:
Optionally, the multicast-related terminal information includes at least one of:
a terminal identification; a protocol data unit session identification PDU session ID of the terminal; the QoS flow identifies the QoS flow ID; the IP flow identifies an IP flow ID; cell identification (cell ID); the location of the terminal.
Optionally, the sending, by the application server, the multicast identifier and/or the multicast-related terminal information to the access network node includes:
and the application server sends the multicast identification and/or the multicast related terminal information to an access network node through a multicast data packet or a control message.
Optionally, the multicast information discovery configuration indication information includes at least one of:
a terminal quantity threshold; multicast discovery on time range; a multicast discovery zone.
Optionally, the method for processing the multicast service further includes:
the application server adds a multicast identifier to the service data sent to the terminal through a core network user plane node, and sends multicast data to the terminal through an access network node, wherein the last unicast data packet sent to the terminal carries air interface multicast information, and the multicast data packet sent to the terminal carries an indication whether the data packet is the last multicast data packet.
Optionally, the method for processing the multicast service further includes:
the application server sends a unicast data packet to the terminal through the access network node, carries indication information of multicast resource activation and/or unicast and multicast simultaneous reception, and sends a unicast data packet and a multicast data packet to the terminal simultaneously.
The method on the server side is a method corresponding to the method on the terminal side, and all implementation modes of the method on the terminal side are applicable to the embodiment on the server side, so that the same technical effects can be achieved.
As shown in fig. 6, an embodiment of the present invention further provides an apparatus 60 for processing a multicast service, which is applied to an access network node, where the apparatus 60 includes:
a transceiver module 61, configured to receive a multicast identifier and/or multicast-related terminal information sent by an application server; and sending an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
Optionally, the multicast-related terminal information includes at least one of:
a terminal identification; a protocol data unit session identification PDU session ID of the terminal; the QoS flow identifies the QoS flow ID; the IP flow identifies an IP flow ID; cell identification (cell ID); the location of the terminal.
Optionally, the receiving, by the access network node, the multicast identifier and/or the multicast-related terminal information sent by the application server includes:
and the access network node receives the multicast identification and/or the multicast related terminal information through a multicast data packet or a control message.
Optionally, the method for processing the multicast service further includes:
the access network node sends multicast information discovery configuration indication information to the application server; alternatively, the first and second liquid crystal display panels may be,
and after the strategy control node sends the multicast information discovery trigger message to the application server, the access network node receives the multicast information discovery trigger message sent by the strategy control node and configures multicast resources for the terminal.
Optionally, the multicast information discovery configuration indication information includes at least one of:
a terminal quantity threshold; multicast discovery on time range; a multicast discovery zone.
Optionally, in the processing device of the multicast service,
the transceiver module 61 is further configured to indicate to the terminal information that needs to be carried to the application server, where the information carried to the application server includes at least one of the following: a protocol data unit session identification PDU session ID of the terminal, a quality of service flow identification QoS flow ID, an IP flow identification IP flow ID, a cell identification cell ID, a position of the terminal, an access network node ID, an indication information carrying time range and an indication information carrying area range.
Optionally, the sending, by the access network node, an air interface multicast message to the terminal according to the multicast identifier and/or the multicast-related terminal information includes:
and the access network node sends an air interface multicast message to the terminal through at least one of a Radio Resource Control (RRC) message, a Media Access Control (MAC) CE, a Physical Downlink Control Channel (PDCCH), a unicast data packet, a control signaling and a multicast data packet.
Optionally, the air interface multicast information includes at least one of the following:
multicast resource position, Group radio network temporary identifier Group RNTI, multicast receiving time range, area capable of receiving multicast message, multicast hybrid automatic repeat request HARQ feedback resource configuration, whether to monitor multicast data only, whether to monitor multicast and unicast data simultaneously, whether to use multicast code, multicast code configuration, multicast resource activation indication, and whether to be the last multicast media access control protocol data unit MAC PDU.
It should be noted that the apparatus is an apparatus corresponding to the above method embodiment, and all implementation manners in the method embodiment of the access network node side are applicable to the embodiment of the apparatus, and the same technical effect can be achieved. The apparatus may further comprise a processing module 62 for processing the data transceived by the transceiving module 61.
An embodiment of the present invention further provides an access network node, including:
the transceiver is used for receiving the multicast identification and/or the multicast related terminal information sent by the application server; and sending an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
Optionally, the multicast-related terminal information includes at least one of:
a terminal identification; a protocol data unit session identification PDU session ID of the terminal; the QoS flow identifies the QoS flow ID; the IP flow identifies an IP flow ID; cell identification (cell ID); the location of the terminal.
Optionally, the receiving, by the access network node, the multicast identifier and/or the multicast-related terminal information sent by the application server includes:
and the access network node receives the multicast identification and/or the multicast related terminal information through a multicast data packet or a control message.
Alternatively to this, the first and second parts may,
the access network node sends multicast information discovery configuration indication information to the application server; alternatively, the first and second electrodes may be,
and after the strategy control node sends the multicast information discovery trigger message to the application server, the access network node receives the multicast information discovery trigger message sent by the strategy control node and configures multicast resources for the terminal.
Optionally, the multicast information discovery configuration indication information includes at least one of:
a terminal quantity threshold; multicast discovery on time range; a multicast discovery zone.
Optionally, the method for processing the multicast service further includes:
the access network node indicates information which needs to be carried to an application server to a terminal, wherein the information carried to the application server comprises at least one of the following items: a protocol data unit session identification PDU session ID of the terminal, a quality of service flow identification QoS flow ID, an IP flow identification IP flow ID, a cell identification cell ID, a position of the terminal, an access network node ID, an indication information carrying time range and an indication information carrying area range.
Optionally, the sending, by the access network node, an air interface multicast message to the terminal according to the multicast identifier and/or the multicast-related terminal information includes:
and the access network node sends an air interface multicast message to the terminal through at least one of a Radio Resource Control (RRC) message, a Media Access Control (MAC) CE, a Physical Downlink Control Channel (PDCCH), a unicast data packet, a control signaling and a multicast data packet.
Optionally, the air interface multicast information includes at least one of the following:
multicast resource position, Group radio network temporary identifier Group RNTI, multicast receiving time range, area capable of receiving multicast message, multicast hybrid automatic repeat request HARQ feedback resource configuration, whether to monitor multicast data only, whether to monitor multicast and unicast data simultaneously, whether to use multicast code, multicast code configuration, multicast resource activation indication, and whether to be the last multicast media access control protocol data unit MAC PDU.
It should be noted that the access network node is a device corresponding to the method embodiment on the access network node side, and all implementation manners in the method embodiment are applicable to the embodiment of the access network node, and the same technical effect can be achieved.
The embodiment of the invention also provides a processing device of the multicast service, which is applied to an application server, and the device comprises:
the receiving and sending module is used for receiving multicast information discovery configuration indication information sent by an access network node or a strategy control node; and sending the multicast identification and/or the multicast related terminal information to the access network node.
Optionally, the multicast-related terminal information includes at least one of:
a terminal identification; a protocol data unit session identification PDU session ID of the terminal; the QoS flow identifies the QoS flow ID; the IP flow identifies an IP flow ID; cell identification (cell ID); the location of the terminal.
Optionally, the sending, by the application server, the multicast identifier and/or the multicast-related terminal information to the access network node includes:
and the application server sends the multicast identification and/or the multicast related terminal information to an access network node through a multicast data packet or a control message.
Optionally, the multicast information discovery configuration indication information includes at least one of:
a terminal quantity threshold; multicast discovery on time range; a multicast discovery zone.
Optionally, the application server adds a multicast identifier to the service data sent to the terminal through a core network user interface node, and sends multicast data to the terminal through an access network node, where a last unicast data packet sent to the terminal carries air interface multicast information, and a multicast data packet sent to the terminal carries an indication of whether the data packet is a last multicast data packet.
Optionally, the unicast data packet sent by the application server to the terminal through the access network node carries indication information of multicast resource activation and/or unicast and multicast simultaneous reception, and sends a unicast data packet and a multicast data packet to the terminal simultaneously.
It should be noted that the apparatus is an apparatus corresponding to the above method embodiment, and all the implementations in the above method embodiment are applicable to the embodiment of the apparatus, and the same technical effects can be achieved.
An embodiment of the present invention further provides an application server, including:
the system comprises a transceiver and a strategy control node, wherein the transceiver is used for receiving multicast information discovery configuration indication information sent by an access network node or the strategy control node; and sending the multicast identification and/or the multicast related terminal information to the access network node.
Optionally, the multicast-related terminal information includes at least one of:
a terminal identification; a protocol data unit session identification PDU session ID of the terminal; the QoS flow identifies the QoS flow ID; the IP flow identifies an IP flow ID; cell identification (cell ID); the location of the terminal.
Optionally, the sending, by the application server, the multicast identifier and/or the multicast-related terminal information to the access network node includes:
and the application server sends the multicast identification and/or the multicast related terminal information to the access network node through a multicast data packet or a control message.
Optionally, the multicast information discovery configuration indication information includes at least one of:
a terminal quantity threshold; multicast discovery on time range; a multicast discovery zone.
Optionally, the application server adds a multicast identifier to the service data sent to the terminal through a core network user interface node, and sends multicast data to the terminal through an access network node, where a last unicast data packet sent to the terminal carries air interface multicast information, and a multicast data packet sent to the terminal carries an indication of whether the data packet is a last multicast data packet.
Optionally, the unicast data packet sent by the application server to the terminal through the access network node carries indication information of multicast resource activation and/or unicast and multicast simultaneous reception, and sends a unicast data packet and a multicast data packet to the terminal simultaneously.
It should be noted that the application server is a device corresponding to the above method embodiment, and all implementation manners in the above method embodiment are applicable to the embodiment of the application server, and the same technical effect can be achieved.
An embodiment of the present invention further provides a communication device, including: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above. All the implementation manners in the above method embodiment are applicable to this embodiment, and the same technical effect can be achieved.
Embodiments of the present invention also provide a computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method as described above. All the implementation manners in the above method embodiment are applicable to this embodiment, and the same technical effect can be achieved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention 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 functions, if implemented in the form of software functional units 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 invention may be embodied in the form of 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, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (20)
1. A method for processing multicast service is applied to an access network node, and the method comprises the following steps:
the access network node receives a multicast identifier and/or multicast related terminal information sent by an application server;
and the access network node sends an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
2. The method for handling the multicast service according to claim 1, wherein the multicast-related terminal information includes at least one of the following items:
a terminal identification;
a protocol data unit session identification PDU session ID of the terminal;
the QoS flow identifies the QoS flow ID;
the IP flow identifies an IP flow ID;
cell identification (cell ID);
the location of the terminal.
3. The method for processing the multicast service according to claim 1, wherein the receiving, by the access network node, the multicast identifier and/or the multicast-related terminal information sent by the application server includes:
and the access network node receives the multicast identification and/or the multicast related terminal information through a multicast data packet or a control message.
4. The method for processing the multicast service according to claim 1, further comprising:
the access network node sends multicast information discovery configuration indication information to the application server; alternatively, the first and second electrodes may be,
and after the strategy control node sends the multicast information discovery trigger message to the application server, the access network node receives the multicast information discovery trigger message sent by the strategy control node and configures multicast resources for the terminal.
5. The method for processing the multicast service according to claim 4, wherein the multicast information discovery configuration indication information includes at least one of the following:
a terminal quantity threshold;
multicast discovery on time range;
a multicast discovery zone.
6. The method for processing the multicast service according to claim 1, further comprising:
the access network node indicates information which needs to be carried to an application server to a terminal, wherein the information carried to the application server comprises at least one of the following information: a protocol data unit session identification PDU session ID of the terminal, a quality of service flow identification QoS flow ID, an IP flow identification IP flow ID, a cell identification cell ID, a position of the terminal, an access network node ID, an indication information carrying time range and an indication information carrying area range.
7. The method according to claim 1, wherein the sending, by the access network node, an air interface multicast message to the terminal according to the multicast identifier and/or the multicast-related terminal information includes:
and the access network node sends an air interface multicast message to the terminal through at least one of a Radio Resource Control (RRC) message, a Media Access Control (MAC) CE, a Physical Downlink Control Channel (PDCCH), a unicast data packet, a control signaling and a multicast data packet.
8. The method according to claim 7, wherein the air interface multicast information includes at least one of the following:
multicast resource position, Group radio network temporary identifier Group RNTI, multicast receiving time range, area capable of receiving multicast message, multicast hybrid automatic repeat request HARQ feedback resource configuration, whether to monitor multicast data only, whether to monitor multicast and unicast data simultaneously, whether to use multicast code, multicast code configuration, multicast resource activation indication, and whether to be the last multicast media access control protocol data unit MAC PDU.
9. A method for processing multicast service is applied to an application server, and the method comprises the following steps:
the application server receives multicast information discovery configuration indication information sent by an access network node or a policy control node;
and the application server sends the multicast identification and/or the multicast related terminal information to the access network node.
10. The method for handling the multicast service according to claim 9, wherein the multicast-related terminal information includes at least one of:
a terminal identification;
a protocol data unit session identification PDU session ID of the terminal;
the QoS flow identifies the QoS flow ID;
IP flow identification IP flow ID;
cell identification (cell ID);
the location of the terminal.
11. The method for processing the multicast service according to claim 9, wherein the sending, by the application server, the multicast identifier and/or the multicast-related terminal information to the access network node includes:
and the application server sends the multicast identification and/or the multicast related terminal information to an access network node through a multicast data packet or a control message.
12. The method for processing the multicast service according to claim 9, wherein the multicast information discovery configuration indication information includes at least one of the following:
a terminal quantity threshold;
multicast discovery on time range;
a multicast discovery zone.
13. The method for processing the multicast service according to claim 9, further comprising:
the application server adds a multicast identifier to the service data sent to the terminal through a core network user plane node, and sends multicast data to the terminal through an access network node, wherein the last unicast data packet sent to the terminal carries air interface multicast information, and the multicast data packet sent to the terminal carries an indication whether the data packet is the last multicast data packet.
14. The method for processing the multicast service according to claim 9, further comprising:
the application server sends a unicast data packet to the terminal through the access network node, carries indication information of multicast resource activation and/or unicast and multicast simultaneous reception, and sends a unicast data packet and a multicast data packet to the terminal simultaneously.
15. An apparatus for processing multicast traffic, applied to an access network node, the apparatus comprising:
the receiving and sending module is used for receiving the multicast identification and/or the multicast related terminal information sent by the application server; and sending an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
16. An access network node, comprising:
the transceiver is used for receiving the multicast identification and/or the multicast related terminal information sent by the application server; and sending an air interface multicast message to the terminal according to the multicast identification and/or the multicast related terminal information.
17. An apparatus for processing multicast service, applied to an application server, the apparatus comprising:
the receiving and sending module is used for receiving multicast information discovery configuration indication information sent by an access network node or a strategy control node; and sending the multicast identification and/or the multicast related terminal information to the access network node.
18. An application server, comprising:
the system comprises a transceiver and a strategy control node, wherein the transceiver is used for receiving multicast information discovery configuration indication information sent by an access network node or the strategy control node; and sending the multicast identification and/or the multicast related terminal information to the access network node.
19. A communication device, comprising: a processor, a memory storing a computer program which, when executed by the processor, performs the method of any of claims 1 to 8 or the method of any of claims 9 to 14.
20. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method of any of claims 1 to 8 or the method of any of claims 9 to 14.
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