CN109600720A - Multicast data processing method and device - Google Patents
Multicast data processing method and device Download PDFInfo
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- CN109600720A CN109600720A CN201710938140.7A CN201710938140A CN109600720A CN 109600720 A CN109600720 A CN 109600720A CN 201710938140 A CN201710938140 A CN 201710938140A CN 109600720 A CN109600720 A CN 109600720A
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- request message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/806—Broadcast or multicast traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of multicast data processing method and device.This method is applied to terminal device, and terminal device includes application processing module, multicast packet processing module and receiving module；This method comprises: application processing module sends multicast data reception request message to multicast packet processing module；Multicast packet processing module notifies receiving module to monitor the multicast channel of multicast data reception request message instruction；Multicast packet processing module obtains the multicast traffic stream that multicast data reception request message indicates from receiving module, pre-processes to multicast traffic stream, and pretreated multicast traffic stream is sent to receiving module；Application processing module obtains pretreated multicast traffic stream from receiving module and handles.Multicast data processing method provided by the invention, stability with higher and safety.
Description
Technical field
The present invention relates to the communication technology more particularly to a kind of multicast data processing methods and device.
Background technique
In third generation partner program (3rd Generation Partnership Project, 3GPP) mobile communication
Field, define a kind of multimedia broadcast-multicast service (Multimedia Broadcast Multicast Services,
MBMS), to solve the problems, such as that server traffic present in unicast service is excessive, load is heavier.
MBMS is a kind of point-to-multipoint industry of multiple terminal devices transmission data from a data source into particular range
Business, can be realized network resources locating, improves the utilization rate of Internet resources.Support the function that is related to of terminal device of MBMS compared with
It is more, such as have MBMS control, unicast service control, unicast service and multicast service switching and MBMS data processing etc..
But the internal structure for the terminal device for supporting MBMS is not defined in the agreement of existing communication field, eventually
Multicast packet treatment process inside end equipment is unclear.
Summary of the invention
The present invention provides a kind of multicast data processing method and device, not right in the agreement of existing communication field to solve
The problem of supporting the structure of the terminal device of MBMS to be defined.
On the one hand the embodiment of the present invention provides a kind of multicast data processing method, be applied to terminal device, and the terminal is set
Standby includes application processing module, multicast packet processing module and receiving module；The described method includes:
The application processing module sends multicast data reception request message to the multicast packet processing module；
The multicast packet processing module notifies the receiving module to monitor the multicast data reception request message instruction
Multicast channel；
The multicast packet processing module obtains what the multicast data reception request message indicated from the receiving module
Multicast traffic stream pre-processes the multicast traffic stream, and the pretreated multicast traffic stream is sent to described
Receiving module；
The application processing module obtains the pretreated multicast traffic stream from the receiving module and handles.
Multicast data processing method as described above, the application processing module are sent to the multicast packet processing module
Before multicast data reception request message, the method also includes:
The application processing module receives and stores the multicast bear information of application server transmission, the multicast bear letter
Breath includes the Temporary Mobile Group Identity TMGI information of multicast channel and the Session Description Protocol SDP information of multicast packet.
Multicast data processing method as described above, the multicast data reception request message include the TMGI information and
The SDP information；The multicast packet processing module notifies the receiving module to monitor the multicast data reception request message
The multicast channel of instruction, comprising:
The multicast packet processing module notifies the receiving module to monitor the multicast channel of the TMGI information instruction；
The multicast packet processing module obtains what the multicast data reception request message indicated from the receiving module
Multicast traffic stream, comprising:
The multicast packet processing module obtains the multicast traffic stream that the SDP information indicates from the receiving module.
Multicast data processing method as described above, the multicast bear information carry in MBMS carrying announcement message,
The multicast channel of TMGI information instruction is control signaling multicast channel, the SDP information include the general SDP information of media and
Control signaling SDP information, the multicast data reception request message include the control signaling SDP information；
Correspondingly, the multicast packet processing module obtains the multicast data reception request message from the receiving module
The multicast traffic stream of instruction, comprising:
The multicast packet processing module obtains the multicast number that the control signaling SDP information indicates from the receiving module
According to stream.
Multicast data processing method as described above, the multicast bear information carry in group's carrying mapping message,
The multicast channel of the TMGI information instruction is media multicast channel, and the SDP information includes media-specific SDP information, described
Multicast data reception request message includes the media SDP letter obtained by the media-specific SDP information and the general SDP information of media
Breath；
Correspondingly, the multicast packet processing module obtains the multicast data reception request message from the receiving module
The multicast traffic stream of instruction, comprising:
The multicast packet processing module obtains the multicast packet that the media SDP information indicates from the receiving module
Stream；
It is described that the multicast traffic stream is pre-processed, comprising:
The multicast packet processing module pre-processes the multicast traffic stream according to the media SDP information.
Multicast data processing method as described above, the application processing module are sent to the multicast packet processing module
Before multicast data reception request message, the method also includes:
The application processing module receives and stores the carrying of application server transmission in MBMS carrying announcement message
Primary multicast carries information, and primary multicast carrying information includes that the TMGI information of control signaling multicast channel, media are general
SDP information and control signaling SDP information；
The application processing module sends primary multicast data receiver request message, institute to the multicast packet processing module
State the TMGI information and control signaling SDP letter that primary multicast data receiver request message includes the control signaling multicast channel
Breath；
The multicast packet processing module notifies the receiving module to monitor the control signaling multicast channel；
The multicast packet processing module obtains first group that the control signaling SDP information indicates from the receiving module
Multicast data stream is pre-processed to obtain the second multicast traffic stream to first multicast traffic stream, and by the second multicast number
The receiving module is sent to according to stream；
The application processing module obtains second multicast traffic stream from the receiving module and handles.
Multicast data processing method as described above, the application processing module are sent to the multicast packet processing module
Before multicast data reception request message, the method also includes:
The application processing module determines that the type of service of the multicast bear information instruction is multiast types.
Multicast data processing method as described above, the application processing module from the receiving module obtain it is described it is pre- from
Before multicast traffic stream and processing after reason, the method also includes:
The multicast packet processing module generates traffic identifier, and the traffic identifier is associated with the TMGI, described to fail to be sold at auction
Know for distinguishing different multicast traffic streams；
The multicast packet processing module sends multicast data reception request response, institute to the application processing module
Stating multicast data reception request response includes the traffic identifier；
The application processing module by the multicast data reception request response traffic identifier and with the multicast
The carrying associated service identification of information is associated；
After the application processing module obtains the pretreated multicast traffic stream and handles from the receiving module,
The method also includes:
The application processing module determines the service identification pair according to the service identification wait stop received multicast packet
The traffic identifier answered；
The application processing module, which sends multicast packet to the multicast packet processing module, to be stopped receiving request message, institute
Multicast packet is stated to stop receiving request message including the traffic identifier；
The multicast packet processing module stopping receives the corresponding multicast traffic stream of the traffic identifier, described in notice
The multicast channel that receiving module stops TMGI information instruction corresponding to the traffic identifier is monitored, and is handled to the application
Module sends multicast packet and stops receiving request response.
On the other hand the embodiment of the present invention also provides a kind of multicast data processing method, be applied to apply processing unit, institute
The method of stating includes:
Multicast data reception request message is sent to multicast packet processing unit, so that the multicast packet processing unit is logical
Know that reception device monitors the multicast channel of the multicast data reception request message instruction, and obtains institute from the reception device
The multicast traffic stream for stating the instruction of multicast data reception request message, pre-processes the multicast traffic stream, and will be described pre-
Treated, and multicast traffic stream is sent to the reception device；
The pretreated multicast traffic stream is obtained from the reception device and is handled.
Another further aspect of the embodiment of the present invention also provides a kind of multicast data processing method, is applied to multicast packet processing dress
It sets, which comprises
The multicast data reception request message sent using processing unit is received, the reception device is notified to monitor described group
Multicast data receives the multicast channel of request message instruction；
The multicast traffic stream that the multicast data reception request message indicates is obtained from the reception device, to the multicast
Data flow is pre-processed, and the pretreated multicast traffic stream is sent to the reception device.
The another aspect of the embodiment of the present invention provides a kind of multicast packet processing unit, comprising: application processing module, multicast number
According to processing module and receiving module；
The application processing module is used for, and Xiang Suoshu multicast packet processing module sends multicast data reception request message；
The multicast packet processing module is used for, and the receiving module is notified to monitor the multicast data reception request message
The multicast channel of instruction；
The multicast packet processing module is also used to, and obtains the multicast data reception request message from the receiving module
The multicast traffic stream of instruction pre-processes the multicast traffic stream, and the pretreated multicast traffic stream is sent
To the receiving module；
The application processing module is also used to, from the receiving module obtain the pretreated multicast traffic stream and from
Reason.
The another aspect of the embodiment of the present invention provides a kind of using processing unit, including transmission unit and processing unit；
The transmission unit is used for, and multicast data reception request message is sent to multicast packet processing unit, so that described
Multicast packet processing unit notice reception device monitors the multicast channel of the multicast data reception request message instruction, Yi Jicong
The reception device obtains the multicast traffic stream of the multicast data reception request message instruction, carries out to the multicast traffic stream
Pretreatment, and the pretreated multicast traffic stream is sent to the reception device；
The processing unit is used for, and is obtained the pretreated multicast traffic stream from the reception device and is handled.
The another aspect of the embodiment of the present invention provides a kind of multicast packet processing unit, including receiving unit, processing unit and
Transmission unit；
The receiving unit is used for, and receives the multicast data reception request message sent using processing unit；
The processing unit is used for, and the reception device is notified to monitor the group of the multicast data reception request message instruction
Broadcast channel；
The receiving unit is also used to, and obtains the group that the multicast data reception request message indicates from the reception device
Multicast data stream；
The processing unit is also used to, and is pre-processed to the multicast traffic stream；
The transmission unit is used for, and the pretreated multicast traffic stream is sent to the reception device.
Multicast data processing method and device provided in an embodiment of the present invention, method be applied to including application processing module,
The terminal device of group sowing time data processing module and receiving module, wherein application processing module is sent out to multicast packet processing module
Send multicast data reception request message；Multicast packet processing module notice receiving module is monitored multicast data reception request message and is referred to
The multicast channel shown；Multicast packet processing module obtains the multicast packet that multicast data reception request message indicates from receiving module
Stream, pre-processes multicast traffic stream, and pretreated multicast traffic stream is sent to receiving module；Application processing module
Pretreated multicast traffic stream is obtained from receiving module and is handled.Multicast data processing method provided by the invention, to terminal
Multicast data processing method inside equipment is defined, stability with higher and safety.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 shows a kind of network architecture that the embodiment of the present invention may be applicable in；
Fig. 2 is the flow diagram for the multicast data processing method that the embodiment of the present invention one provides；
Fig. 3 is the flow diagram of multicast data processing method provided by Embodiment 2 of the present invention；
Fig. 4 is the flow diagram for the multicast data processing method that the embodiment of the present invention three provides；
Fig. 5 is the flow diagram for the multicast data processing method that the embodiment of the present invention four provides；
Fig. 6 is the structural schematic diagram for the multicast packet processing unit that the embodiment of the present invention one provides；
Fig. 7 is the structural schematic diagram using processing unit that the embodiment of the present invention one provides；
Fig. 8 is the structural schematic diagram of multicast packet processing unit provided by Embodiment 2 of the present invention.
Specific embodiment
The network architecture and business scenario of description of the embodiment of the present invention are to more clearly illustrate implementation of the present invention
The technical solution of example, does not constitute the restriction for technical solution provided in an embodiment of the present invention, those of ordinary skill in the art
It is found that technical solution provided in an embodiment of the present invention is for similar with the differentiation of the network architecture and the appearance of new business scene
The technical issues of, it is equally applicable.
It is introduced below with reference to the possible network architecture of the Fig. 1 to the embodiment of the present invention.Fig. 1 shows implementation of the present invention
A kind of network architecture that example may be applicable in.The network architecture can be 3GPP cluster communication system pusher (Group
Communication System Enabler, GCSE) framework.As shown in Figure 1, the network architecture provided in this embodiment includes group
Group communication service application server, broadcast multicast services center, access network equipment and at least one terminal device.
Wherein, group communication service application server (Group Communication Service Application
Server, GCS AS) for initiating the activation of TMGI resource allocation and the MBMS carrying for group service, deactivating.
GCS AS can illustratively use logic entity key task server MC service server.
(Broadcast Multicast Service Center, BM-SC) is in multimedia at broadcast multicast services center
Hold supplier entrance, for manage and in MBMS transmission network initiate MBMS bearer service.
Access network equipment is a kind of equipment that terminal device is linked into wireless network, be can be in LTE communication system
Evolved base station (Evolutional Node B, abbreviation eNB or eNodeB) perhaps relay station or access point or future 5G
Base station or macro base station, micro-base station, hot spot, Home eNodeB, transfer point in network etc., do not limit herein.
Terminal device can be wireless terminal, and wireless terminal can be directed to user and provide voice and/or other business numbers
According to the equipment of connectivity, there is the handheld device of wireless connecting function or be connected to other processing of radio modem
Equipment.Wireless terminal can be through wireless access network (Radio Access Network, abbreviation RAN) and one or more core nets
Communicated, wireless terminal can be mobile terminal, as mobile phone (or be " honeycomb " phone), laptop, bracelet,
Smartwatch, data card, sensor and the computer with mobile terminal, for example, it may be portable, pocket, hand-held,
Built-in computer or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.For example, personal logical
Communication service (Personal Communication Service, abbreviation PCS) phone, wireless phone, Session initiation Protocol
(Session Initiation Protocol, abbreviation SIP) phone, wireless local loop (Wireless Local Loop, letter
Claim WLL) it stands, the equipment such as personal digital assistant (Personal Digital Assistant, abbreviation PDA).Wireless terminal can also
With referred to as system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile
Station), mobile station (Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access
Terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), do not limit herein
It is fixed.
The function of supporting the terminal device of MBMS to be related to is more, such as has MBMS control, unicast service control, unicast service
With multicast service switching and MBMS data processing etc..But not to the terminal for supporting MBMS in the agreement of existing communication field
The internal structure of equipment is defined, and the multicast packet treatment process inside terminal device is unclear.
To solve the above problems, the embodiment of the present invention provides a kind of multicast data transmission method and device.Below with reference to tool
Multicast data transmission method provided by the invention and device is described in detail in body embodiment.These specific implementations below
In example, the same or similar concept or process may be repeated no more in some embodiments.
On the one hand the embodiment of the present invention provides a kind of multicast data transmission method.Fig. 2 is what the embodiment of the present invention one provided
The flow diagram of multicast data processing method.The executing subject of this method is terminal device, and terminal device includes application processing
Module, group sowing time data processing module and receiving module.Each module can may be hardware for software, and the present invention does not do this
It limits.Present embodiment describes the channels and data management mode when terminal device framework and multicast data reception.It is exemplary
, as depicted in figs. 1 and 2, terminal device includes application processing module, group sowing time data processing module and receiving module.
Illustratively, application processing module is used for user's real-time display multimedia service and business tine, receives and use
The instruction etc. of family input.Receiving module includes modem module and Internet protocol storehouse (Internet Protocol
Stack, IP Stack) unit.Modem module can be used for monitoring the business control information and business of multicast channel
Content.When modulating adjustment module monitoring multicast channel, IP Stack unit is for caching the content listened at this time.Modulatedemodulate
Unit and IP Stack unit is adjusted to be encapsulated in the operating system of terminal device.Multicast packet processing module is handled with application respectively
Module is connected with receiving module.Multicast packet processing module can pass through operating system and carry out control management to modem module,
Application processing module need to carry out Signalling exchange with modem module by multicast packet processing module.IP Stack unit pair
In other modules outside operating system as it can be seen that can be interacted by preset interface and IP Stack unit.Multicast packet
The IP Stack unit of processing module and receiving module, externally provides unified interface, and application processing module passes through interface and connects
Receive module connection.By the way that terminal device is divided into application processing module, multicast packet processing module and receiving module, so that eventually
End equipment structural stratification avoids terminal device for each application processing module and interface is arranged on an operating system, guarantees
The flexibility of application processing module.
On the basis of terminal device structure shown in Fig. 1, multicast data transmission method includes:
S201, application processing module send multicast data reception request message to multicast packet processing module.
Illustratively, application processing module can instruct in the monitoring instruction/reception for receiving user's input, receive clothes
In the case that monitoring instruction/reception that business device is sent instructs or meets other conditions, to multicast packet processing module transmission group
Multicast data receives request message.
S202, multicast packet processing module notice receiving module monitor the multicast letter of multicast data reception request message instruction
Road.
Illustratively, multicast packet processing module notifies receiving module after receiving multicast data reception request message
Monitor multicast channel indicated by multicast data reception request message.Illustratively, multicast packet processing module is to receiving module
Send monitoring/reception instruction message.After receiving module receives monitoring/reception instruction message, receiving module begins listening for group
Channel is broadcast, the multicast channel that receiving module is monitored depends on the multicast channel and monitors request message instruction.Receiving module exists
The multicast traffic stream transmitted on multicast channel is received when monitoring and is buffered in IP Stack.Illustratively, S201 and S202
Realize multicast control channel management.Multicast control channel management is mainly realized that multicast packet handles mould by application processing module
Block realizes forwarding capability.
S203, multicast packet processing module obtain the multicast packet that multicast data reception request message indicates from receiving module
Stream, pre-processes multicast traffic stream, and pretreated multicast traffic stream is sent to receiving module.
Illustratively, multicast channel is indicated in the multicast data reception request message that multicast packet processing module receives
In position where multicast packet to be received.Application processing module can be notified to be believed according to position by multicast packet processing module
Breath receives multicast packet to be received, or can also by multicast packet processing module from receiving module according to multicast data reception
Request message obtains the multicast packet to be received, issues IP Stack after processing again and obtains multicast number by application processing module again
According to.
Illustratively, multicast packet processing module pre-processes multicast packet, before pretreatment illustratively can be
(Robust Header is compressed to error correcting code (Forward Error Correction, FEC) processing, robustness head
Compression, ROHC) processing, Security Real Time Protocol (Secure Real-time Transport Protocol,
SRTP) processing, secure real-time transport control protocol (Secure Real-time Transport Control Protocol,
SRTCP) etc..
Illustratively, pretreated multicast packet is re-transmitted to the IP of receiving module by multicast packet processing module
Stack.Illustratively, multicast packet processing module sends out pretreated data with specific reference to multicast data reception request message
Send the specific location into IP Stack.Illustratively, application processing module obtains pretreated multicast from receiving module
Data, specifically, application processing module can determine pretreated multicast packet according to multicast data reception request message
Position.
S204, application processing module obtain pretreated multicast traffic stream from receiving module and handle.
It illustratively, illustratively can be according to class of service to multicast number after application processing module receives multicast packet
According to being handled.Illustratively, S203 and S204 realizes multicast packet management.Multicast packet management mainly handles mould by application
Block realization, multicast packet processing modules implement forwarding capability.
The functions such as multicast channel management and multicast packet processing are concentrated on applying by terminal device provided in this embodiment
In processing module, obtains MBMS relevant information in real time by application processing module, carries out multicast packet processing, by the business function of MBMS
Can be decoupled with multicast packet processing module, avoid multicast packet processing module function it is excessive when the modular structure that may cause it is multiple
Miscellaneous problem only need to change application processing module when MBMS business changes, without modifying the behaviour as terminal device
Make the multicast packet processing module of the connecting platform of system and application processing module, it is more friendly to application developer, using processing
Module can also carry out cross-platform, also improve the stability of terminal device.Since the processing of multicast packet handles mould by application
Block carries out, rather than multicast packet processing module, improves the safety of multicast packet, can satisfy wanting for data sensitive business
It asks.Meanwhile multicast channel monitoring and multicast data reception merging treatment are improved treatment effeciency by application processing module.
Multicast data processing method provided in an embodiment of the present invention is applied to including application processing module, group sowing time data
The terminal device of processing module and receiving module, wherein application processing module sends multicast packet to multicast packet processing module
Receive request message；Multicast packet processing module notifies receiving module to monitor the multicast letter of multicast data reception request message instruction
Road；Multicast packet processing module obtains the multicast traffic stream that multicast data reception request message indicates from receiving module, to multicast
Data flow is pre-processed, and pretreated multicast traffic stream is sent to receiving module；Application processing module from receive mould
Block obtains pretreated multicast traffic stream and handles.Multicast data processing method provided by the invention, to terminal device inside
Multicast data processing method be defined, stability with higher and safety.
Illustratively, on the basis of the above embodiments, Fig. 3 is multicast packet processing side provided by Embodiment 2 of the present invention
The flow diagram of method.What is involved is determine the multicast channel monitored and need the mistake of received multicast packet for the present embodiment
Journey.As shown in figure 3, multicast data processing method includes:
S301, application processing module receive and store the multicast bear information of application server transmission.
Multicast bear information includes Temporary Mobile Group Identity (the Temporary Mobile Group of multicast channel
Identity, TMGI) information and multicast packet Session Description Protocol (Session Description Protocol, SDP)
Information.
Illustratively, application server is GCS AS, and before carrying out multicast packet processing, application server activates multicast letter
Road, and multicast bear information (including TMGI, SDP etc.) is sent to terminal applies processing module, terminal applies processing module
After receiving multicast bear information, the information such as TMGI, SDP are saved, so as to use when subsequent progress multicast data reception.Show
Example property, SDP information includes the port IP, data stream type, data stream format, coded format, whether carries out the attributes such as head compression
Information.
S302, application processing module send multicast data reception request message to multicast packet processing module.
Optionally, multicast data reception request message includes TMGI information and SDP information.The SDP information can be denoted as to
One SDP information.
S303, multicast packet processing module notice receiving module monitor the multicast letter of multicast data reception request message instruction
Road.
Optionally, when multicast data reception request message includes TMGI information, multicast packet processing module can notify to connect
Receive the multicast channel that module monitors the instruction of TMGI information.
S304, multicast packet processing module obtain the multicast packet that multicast data reception request message indicates from receiving module
Stream.
Optionally, when multicast data reception request message includes SDP information, multicast packet processing module can be from reception mould
Block obtains the multicast traffic stream of SDP information instruction.
S305, multicast packet processing module pre-process multicast traffic stream.
Pretreated multicast traffic stream is sent to receiving module by S306, multicast packet processing module.
Optionally, multicast packet processing module is according to pretreated multicast traffic stream and corresponding first SDP information,
The second SDP information is generated, the second SDP information includes the port IP of pretreated multicast traffic stream, data stream type, data flow
Whether format coded format, carries out the attribute informations such as head compression.Illustratively, multicast packet processing module is by the second SDP information
It is sent to application processing module.Optionally, it is concurrent also to generate multicast data reception request response for multicast packet processing module
It send to application processing module, and application processing module determines that the instruction of multicast data reception request response receives successfully.
S307, application processing module obtain pretreated multicast traffic stream from receiving module.
Illustratively, application processing module obtains pretreated multicast packet from receiving module according to the second SDP information
Stream.
S308, the pretreated multicast traffic stream of application processing module processing.
In multicast data processing method provided in an embodiment of the present invention, multicast bear information includes the interim shifting of multicast channel
The Session Description Protocol of dynamic group mark (Temporary Mobile Group Identity, TMGI) information and multicast packet
(Session Description Protocol, SDP), application processing module use TMGI information and SDP information to multicast number
Multicast channel to be monitored and multicast packet to be received are indicated according to processing module.
Based on any of the above embodiments, if multicast bear information, which is carried, carries declaration (MBMS Bearer in MBMS
Announcement) in message, then the multicast channel of TMGI information instruction is control signaling multicast channel, and SDP information includes matchmaker
The general SDP information of body and control signaling SDP information, multicast data reception request message include control signaling SDP information.
Correspondingly, multicast packet processing module obtains the multicast number that multicast data reception request message indicates from receiving module
According to stream, comprising:
Multicast packet processing module obtains the multicast traffic stream that control signaling SDP information indicates from receiving module.
Illustratively, multicast channel includes a control signaling multicast channel and at least one media multicast channel.When
When the multicast channel of TMGI information instruction is control signaling multicast channel, application server by application server and BM-SC it
Between interface activation multicast channel, at this point, channel information passes through direct communication between application server and application processing module
Interface transmission.SDP information includes the general SDP information of media and control signaling SDP information, is usually wrapped in the general SDP information of media
Compression ratio, coded format, the data stream format etc. for including media, do not include the information such as IP address and port.
Based on any of the above embodiments, it is mapped if multicast bear information carries to carry in group
(MapGroupToBearer) in message, then the multicast channel of TMGI information instruction is media multicast channel, and SDP information includes matchmaker
The dedicated SDP information of body, multicast data reception request message include being obtained by media-specific SDP information and the general SDP information of media
Media SDP information；
Correspondingly, multicast packet processing module obtains the multicast number that multicast data reception request message indicates from receiving module
According to stream, comprising:
Multicast packet processing module obtains the multicast traffic stream that media SDP information indicates from receiving module；
Multicast packet processing module pre-processes multicast traffic stream, comprising:
Multicast packet processing module pre-processes multicast traffic stream according to media SDP information.
Illustratively, when control signaling multicast channel has activated, the multicast channel of TMGI information instruction can also be matchmaker
Body multicast channel, multicast data reception request message include the media-specific SDP information for including and media by multicast bear information
The media SDP information that general SDP information obtains.Application server can pass through the application processing mould of application server and terminal device
Signaling multicast channel between block activates business multicast channel.
In the present embodiment, it carries in MapGroupToBearer message before transmission, needs by multicast bear information
Determine that signaling multicast channel has built up.Fig. 4 is the process signal for the multicast data processing method that the embodiment of the present invention three provides
Figure.As shown in figure 4, before application processing module sends multicast channel monitoring request message to multicast packet processing module, multicast
Data processing method further include:
S401, application processing module receive and store the carrying of application server transmission in MBMS carrying announcement message
Primary multicast carries information, and primary multicast carrying information includes the TMGI information and the general SDP of media of control signaling multicast channel
Information and control signaling SDP information；
S402, application processing module send primary multicast data receiver request message to multicast packet processing module, initially
Multicast data reception request message includes the TMGI information and control signaling SDP information of control signaling multicast channel；
S403, multicast packet processing module notice receiving module monitor control signaling multicast channel；
S404, multicast packet processing module obtain the first multicast packet that control signaling SDP information indicates from receiving module
Stream, pre-processes the first multicast traffic stream to obtain the second multicast traffic stream, and the second multicast traffic stream is sent to reception
Module；
S405, application processing module obtain the second multicast traffic stream from receiving module and handle.
Optionally, based on any of the above embodiments, application processing module is to multicast packet processing module transmission group
Before multicast data receives request message, multicast data processing method further include:
Application processing module determines that the type of service of multicast bear information instruction is multiast types.
Illustratively, application processing module determination only carries out multiast types business, without handle unicast type, by multicast with
Unicast decoupling, improves terminal device stability.
Optionally, on the basis of embodiment shown in Fig. 3, Fig. 5 is the multicast packet processing that the embodiment of the present invention four provides
The flow diagram of method.What is involved is multicast channels to monitor the method for stopping stopping with multicast data reception for the present embodiment.Such as
Shown in Fig. 5, after application processing module sends multicast data reception request message to multicast packet processing module, method is also wrapped
It includes:
S501, application processing module receive and store the multicast bear information of application server transmission.
S502, application processing module send multicast data reception request message to multicast packet processing module.
S503, multicast packet processing module notice receiving module monitor the multicast letter of multicast data reception request message instruction
Road.
S504, multicast packet processing module obtain the multicast packet that multicast data reception request message indicates from receiving module
Stream.
S505, multicast packet processing module pre-process multicast traffic stream.
Pretreated multicast traffic stream is sent to receiving module by S506, multicast packet processing module.
S507, multicast packet processing module generate traffic identifier.
Illustratively, multicast packet processing module is associated with TMGI by traffic identifier, and traffic identifier is for distinguishing different groups
Multicast data stream.
S508, multicast packet processing module send multicast data reception request response to application processing module.
Wherein, multicast data reception request response includes traffic identifier, and traffic identifier is for distinguishing different multicast packets
Stream.
Illustratively, when pretreated multicast traffic stream is sent to receiving module by multicast packet processing module, group
Multicast data processing module generates multicast data reception request response, and according to multicast data reception request message, generates stream
It identifies (STEAM ID), is associated with traffic identifier and TMGI, and using traffic identifier as one of multicast data reception request response
Divide and is sent to application processing module.
S509, application processing module by multicast data reception request response traffic identifier and with multicast bear information
Associated service identification is associated.
Illustratively, application server also sends and holds with multicast when sending multicast bear information to application processing module
The associated service identification of information carrying manner of breathing (Group ID).Since service identification is associated with multicast data reception request message, because
This, application processing module can also be associated with the traffic identifier in multicast data reception request response by service identification.
S510, application processing module obtain pretreated multicast traffic stream from receiving module.
S511, the pretreated multicast traffic stream of application processing module processing.
S512, application processing module determine that service identification is corresponding according to the service identification wait stop received multicast packet
Traffic identifier.
S513, application processing module, which send multicast packet to multicast packet processing module, to be stopped receiving request message, multicast
Data stop receiving request message including traffic identifier.
Optionally, application processing module leads in instruction message when receiving the instruction message for stopping receiving multicast data
It often include the service identification wait stop received multicast packet, therefore application processing module can be determined according to service identification wait stop
The traffic identifier of received multicast packet.
Application processing module determines that the judgment basis for stopping multicast data reception may is that application processing module has received MC
The MBMS carrying declaration that Service Server is sent releases (MBMS Bearer de-announcement) message or group holds
It carries mapping and releases UnmapGroupFromBearer message.
S514, the stopping of multicast packet processing module receive the corresponding multicast packet of traffic identifier.
S515, multicast packet processing module notice receiving module stop the multicast of TMGI information instruction corresponding to traffic identifier
Channel is monitored.
S516, multicast packet processing module send multicast packet to application processing module and stop receiving request response.
Optionally, in the various embodiments described above, multicast packet processing module is requested to application processing module multicast data reception
Response message, multicast packet stop receiving request response using readjustment (callback) mode.
The applicable terminal device of the embodiment of the present invention can be logic entity key task served user equipment MC
Service UE, wherein application processing module can be logic entity key task service client MC Service Client,
Or the part of module in logic entity MC Service Client.Multicast packet processing module can be logic entity MC
MBMS processing function module in Service Client, or independently of the module of MC Service Client.
The applicable network equipment of the embodiment of the present invention can correspond to the logic entity MC Service Server in 3GPP standard
Or GCS AS, the application server in process and the interaction between terminal applies processing module can correspond to key task push to talk
(Mission-critical push-to-talk, MCPTT-1), MCVideo-1, MCData-FD-1, MCData-SDS-1 connect
Interacting message on mouth.
The applicable service identification of the embodiment of the present invention can correspond to the critical traffic group identification MC in 3GPP standard
Service group ID。
On the basis of the various embodiments described above, the embodiment of the present invention also provides a kind of multicast data processing method, is applying
Before processing module receives and stores the multicast bear information of application server transmission, application server activates multicast channel, answers
It is suitable for the interacting message on MB2-C interface with the process of the activation multicast channel between server and BM-SC.
MB2-U interface can be used to the muticast data transmission of terminal side in application network side of the present invention, and 3GPP mark can be used
Downlink multicast data transmission channel between access network equipment in standard and modulation /demodulation module.
On the other hand the embodiment of the present invention also provides a kind of multicast data processing method, be applied to apply processing unit, should
Method includes:
S11, multicast channel monitoring request message is sent to multicast packet processing unit, so that multicast packet processing unit is logical
Know that reception device monitors the multicast channel of multicast channel-monitoring request message instruction；
S32, multicast data reception request message is sent to multicast packet processing unit, so that multicast packet processing dress
It sets notice reception device and monitors the multicast channel of the multicast data reception request message instruction, and obtained from the reception device
The multicast traffic stream for taking multicast data reception request message instruction, pre-processes the multicast traffic stream, and by institute
It states pretreated multicast traffic stream and is sent to the reception device；
S12, the pretreated multicast traffic stream is obtained from the reception device and is handled.
In the present embodiment using processing unit and the application processing unit phase in the terminal device in the various embodiments described above
Together, the present invention repeats no more this.
The another aspect of the embodiment of the present invention also provides a kind of multicast data processing method, using multicast packet processing unit,
This method comprises:
S21, the multicast data reception request message sent using processing unit is received, the reception device is notified to monitor institute
State the multicast channel of multicast data reception request message instruction；
S22, the multicast traffic stream that the multicast data reception request message indicates is obtained from the reception device, to described
Multicast traffic stream is pre-processed, and the pretreated multicast traffic stream is sent to the reception device.
At the multicast packet in the terminal device in multicast packet processing unit and the various embodiments described above in the present embodiment
Reason module is identical, and the present invention repeats no more this.
The another aspect of the embodiment of the present invention also provides a kind of multicast packet processing unit, and Fig. 6 is that the embodiment of the present invention one mentions
The structural schematic diagram of the multicast packet processing unit of confession.As shown in 6 figures, multicast packet processing unit includes: application processing module
601, multicast packet processing module 602 and receiving module 603；
Application processing module 601 is used for, and sends multicast data reception request message to multicast packet processing module 602；
Multicast packet processing module 602 is used for, and notice receiving module 603 monitors the instruction of multicast data reception request message
Multicast channel；
Multicast packet processing module 602 is also used to, and obtains what multicast data reception request message indicated from receiving module 603
Multicast traffic stream pre-processes multicast traffic stream, and pretreated multicast traffic stream is sent to receiving module 603；
Application processing module 601 is also used to, and is obtained pretreated multicast traffic stream from receiving module 603 and is handled.
Optionally, application processing module 601 is also used to, and receives and stores the multicast bear information of application server transmission,
Multicast bear information includes the Temporary Mobile Group Identity TMGI information of multicast channel and the Session Description Protocol SDP letter of multicast packet
Breath.
Optionally, it includes TMGI information that multicast channel, which monitors request message,；Multicast packet processing module 602 is specifically used for,
Receiving module 603 is notified to monitor the multicast channel of TMGI information instruction；Multicast packet processing module 602 is also used to, from reception mould
Block 603 obtains the multicast traffic stream of SDP information instruction.
Optionally, multicast bear information carries in MBMS carrying announcement message, and the multicast channel of TMGI information instruction is
Control signaling multicast channel, SDP information include the general SDP information of media and control signaling SDP information, multicast data reception request
Message includes control signaling SDP information；
Correspondingly, multicast packet processing module 602 is used for, obtain what control signaling SDP information indicated from receiving module 603
Multicast traffic stream.
Optionally, multicast bear information carries in group's carrying mapping message, and the multicast channel of TMGI information instruction is
Media multicast channel, SDP information include media-specific SDP information, and multicast data reception request message includes by media-specific SDP
The media SDP information that information and the general SDP information of media obtain；
Correspondingly, multicast packet processing module 602 is used for, the multicast that media SDP information indicates is obtained from receiving module 603
Data flow；
Multicast packet processing module 602 is used for, and according to media SDP information, is pre-processed to multicast traffic stream.
Optionally, application processing module 601 is used for, and the carrying for receiving and storing application server transmission is carried in MBMS to be declared
It accuses the primary multicast in message and carries information, it includes the TMGI information of control signaling multicast channel, matchmaker that primary multicast, which carries information,
The general SDP information of body and control signaling SDP information；
Application processing module 601 is also used to, and is sent the request of primary multicast data receiver to multicast packet processing module 602 and is disappeared
Breath, primary multicast data receiver request message includes the TMGI information and control signaling SDP information of control signaling multicast channel；
Multicast packet processing module 602 is also used to, and notice receiving module 603 monitors control signaling multicast channel；
Multicast packet processing module 602 is also used to, and obtains first that control signaling SDP information indicates from receiving module 603
Multicast traffic stream pre-processes the first multicast traffic stream to obtain the second multicast traffic stream, and the second multicast traffic stream is sent out
It send to receiving module 603；
Application processing module 601 is also used to, and is obtained the second multicast traffic stream from receiving module 603 and is handled.
Optionally, application processing module 601 is also used to, and determines that the type of service of multicast bear information instruction is multicast
Type.
Optionally, multicast packet processing module 602 is also used to, and generates traffic identifier, and traffic identifier is associated with TMGI, is failed to be sold at auction
Know for distinguishing different multicast traffic streams；
Multicast packet processing module 602 is also used to, and is sent multicast data reception request response to application processing module 601 and is disappeared
Breath, multicast data reception request response includes traffic identifier；
Application processing module 601 is also used to, and is held by the traffic identifier in multicast data reception request response and with multicast
The associated service identification of information carrying manner of breathing is associated；
Application processing module 601 is also used to, and according to the service identification wait stop received multicast packet, determines service identification
Corresponding traffic identifier；
Application processing module 601 is also used to, and is sent multicast packet stopping reception request to multicast packet processing module 602 and is disappeared
Breath, multicast packet stop receiving request message including traffic identifier；
Multicast packet processing module 602 is also used to, and stopping receives the corresponding multicast traffic stream of traffic identifier, and notice connects
It receives module 603 and stops the multicast channel of corresponding to traffic identifier TMGI information instruction and monitor, and to application processing module 601
Multicast packet is sent to stop receiving request response.
The another aspect of the embodiment of the present invention also provides a kind of using processing unit, and Fig. 7 is what the embodiment of the present invention one provided
Using the structural schematic diagram of processing unit.As shown in fig. 7, including transmission unit 701 and processing unit 702 using processing unit；
Transmission unit 701 is used for, and multicast data reception request message is sent to multicast packet processing unit, so that multicast number
The multicast channel of multicast data reception request message instruction is monitored according to processing unit notice reception device, and is obtained from reception device
The multicast traffic stream for taking multicast data reception request message to indicate, pre-processes multicast traffic stream, and will be pretreated
Multicast traffic stream is sent to reception device；
Processing unit 702 is used for, and is obtained pretreated multicast traffic stream from reception device and is handled.
The another aspect of the embodiment of the present invention also provides a kind of multicast packet processing unit, and Fig. 8 is that the embodiment of the present invention two mentions
The structural schematic diagram of the multicast packet processing unit of confession.As shown in figure 8, multicast packet processing unit includes receiving unit 801, place
Manage unit 802 and transmission unit 803；
Receiving unit 801 is used for, and receives the multicast data reception request message sent using processing unit；
Processing unit 802 is used for, and notice reception device monitors the multicast channel of multicast data reception request message instruction；
Receiving unit 801 is also used to, and obtains the multicast traffic stream that multicast data reception request message indicates from reception device；
Processing unit 802 is also used to, and is pre-processed to multicast traffic stream；
Transmission unit 803 is used for, and pretreated multicast traffic stream is sent to reception device.
Each functional unit of the present invention can integrate in one processing unit, is also possible to the independent physics of each unit and deposits
It can also be integrated in one unit with two or more units.Above-mentioned integrated unit can both use the shape of hardware
Formula is realized, can also be realized in the form of hardware adds SFU software functional unit.
The present invention has carried out the explanation of technical principle through the foregoing embodiment, but it is to be understood that, above-described embodiment is only
Suitable for the purpose illustrated and illustrated, it is not intended to limit the invention to the scope of the described embodiments.Art technology
Personnel should be appreciated that invention scope involved in the application, however it is not limited to skill made of the specific combination of above-mentioned technical characteristic
Art scheme, while should also cover in the case where not departing from the inventive concept, by above-mentioned technical characteristic or its equivalent feature into
Row any combination and the other technical solutions formed.Such as features described above and (but being not limited to) disclosed herein have it is similar
The technical characteristic of function is replaced mutually and the technical solution that is formed.Protection scope of the present invention is by the appended claims
And its equivalent scope is defined.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (13)
1. a kind of multicast data processing method, which is characterized in that be applied to terminal device, the terminal device includes application processing
Module, multicast packet processing module and receiving module；The described method includes:
The application processing module sends multicast data reception request message to the multicast packet processing module；
The multicast packet processing module notifies the receiving module to monitor the group of the multicast data reception request message instruction
Broadcast channel；
The multicast packet processing module obtains the multicast that the multicast data reception request message indicates from the receiving module
Data flow pre-processes the multicast traffic stream, and the pretreated multicast traffic stream is sent to the reception
Module；
The application processing module obtains the pretreated multicast traffic stream from the receiving module and handles.
2. the method according to claim 1, wherein the application processing module handles mould to the multicast packet
Before block sends multicast data reception request message, the method also includes:
The application processing module receives and stores the multicast bear information of application server transmission, the multicast bear packet
Include the Temporary Mobile Group Identity TMGI information of multicast channel and the Session Description Protocol SDP information of multicast packet.
3. according to the method described in claim 2, it is characterized in that, the multicast data reception request message includes the TMGI
Information and the SDP information；The multicast packet processing module notifies the receiving module to monitor the multicast data reception and ask
The multicast channel for asking message to indicate, comprising:
The multicast packet processing module notifies the receiving module to monitor the multicast channel of the TMGI information instruction；
The multicast packet processing module obtains the multicast that the multicast data reception request message indicates from the receiving module
Data flow, comprising:
The multicast packet processing module obtains the multicast traffic stream that the SDP information indicates from the receiving module.
4. according to the method in claim 2 or 3, which is characterized in that the multicast bear information is carried in multimedia broadcasting
Multicast service MBMS is carried in announcement message, and the multicast channel of the TMGI information instruction is control signaling multicast channel, described
SDP information includes the general SDP information of media and control signaling SDP information, and the multicast data reception request message includes described
Control signaling SDP information；
Correspondingly, the multicast packet processing module obtains the multicast data reception request message instruction from the receiving module
Multicast traffic stream, comprising:
The multicast packet processing module obtains the multicast packet that the control signaling SDP information indicates from the receiving module
Stream.
5. according to the method in claim 2 or 3, which is characterized in that the multicast bear information is carried reflects in group's carrying
It penetrates in message, the multicast channel of the TMGI information instruction is media multicast channel, and the SDP information includes media-specific SDP
Information, the multicast data reception request message include being obtained by the media-specific SDP information and the general SDP information of media
Media SDP information；
Correspondingly, the multicast packet processing module obtains the multicast data reception request message instruction from the receiving module
Multicast traffic stream, comprising:
The multicast packet processing module obtains the multicast traffic stream that the media SDP information indicates from the receiving module；
It is described that the multicast traffic stream is pre-processed, comprising:
The multicast packet processing module pre-processes the multicast traffic stream according to the media SDP information.
6. according to the method described in claim 5, it is characterized in that, the application processing module handles mould to the multicast packet
Before block sends multicast data reception request message, the method also includes:
The carrying that the application processing module receives and stores application server transmission is initial in MBMS carrying announcement message
Multicast bear information, the primary multicast carrying information include the TMGI information of control signaling multicast channel, the general SDP letter of media
Breath and control signaling SDP information；
The application processing module sends primary multicast data receiver request message to the multicast packet processing module, described first
Beginning multicast data reception request message includes the TMGI information and control signaling SDP information of the control signaling multicast channel；
The multicast packet processing module notifies the receiving module to monitor the control signaling multicast channel；
The multicast packet processing module obtains the first multicast number that the control signaling SDP information indicates from the receiving module
According to stream, pre-processed to obtain the second multicast traffic stream to first multicast traffic stream, and by second multicast traffic stream
It is sent to the receiving module；
The application processing module obtains second multicast traffic stream from the receiving module and handles.
7. according to the method in any one of claims 1 to 3, which is characterized in that the application processing module is to described group
Before multicast data processing module sends multicast data reception request message, the method also includes:
The application processing module determines that the type of service of the multicast bear information instruction is multiast types.
8. according to the method in claim 2 or 3, which is characterized in that the application processing module is obtained from the receiving module
Before taking the pretreated multicast traffic stream and handling, the method also includes:
The multicast packet processing module generates traffic identifier, and the traffic identifier is associated with the TMGI, and the traffic identifier is used
In the different multicast traffic stream of differentiation；
The multicast packet processing module to the application processing module send multicast data reception request response, described group
It includes the traffic identifier that multicast data, which receives request response,；
The application processing module by the multicast data reception request response traffic identifier and with the multicast bear
The associated service identification of information is associated；
The application processing module is described from the receiving module acquisition pretreated multicast traffic stream and after handling
Method further include:
The application processing module determines that the service identification is corresponding according to the service identification wait stop received multicast packet
Traffic identifier；
The application processing module to the multicast packet processing module send multicast packet stop receive request message, described group
Multicast data stops receiving request message including the traffic identifier；
The multicast packet processing module stopping receives the corresponding multicast traffic stream of the traffic identifier, notifies the reception
The multicast channel that module stops the instruction of corresponding to traffic identifier TMGI information is monitored, and to the application processing module
Multicast packet is sent to stop receiving request response.
9. a kind of multicast data processing method, which is characterized in that be applied to apply processing unit, which comprises
Multicast data reception request message is sent to multicast packet processing unit, so that multicast packet processing unit notice connects
Receiving apparatus monitors the multicast channel of the multicast data reception request message instruction, and obtains described group from the reception device
Multicast data receives the multicast traffic stream of request message instruction, pre-processes to the multicast traffic stream, and by the pretreatment
Multicast traffic stream afterwards is sent to the reception device；
The pretreated multicast traffic stream is obtained from the reception device and is handled.
10. a kind of multicast data processing method, which is characterized in that be applied to multicast packet processing unit, which comprises
The multicast data reception request message sent using processing unit is received, the reception device is notified to monitor the multicast number
According to the multicast channel for receiving request message instruction；
The multicast traffic stream that the multicast data reception request message indicates is obtained from the reception device, to the multicast packet
Stream is pre-processed, and the pretreated multicast traffic stream is sent to the reception device.
11. a kind of multicast packet processing unit characterized by comprising application processing module, multicast packet processing module and connect
Receive module；
The application processing module is used for, and Xiang Suoshu multicast packet processing module sends multicast data reception request message；
The multicast packet processing module is used for, and the receiving module is notified to monitor the multicast data reception request message instruction
Multicast channel；
The multicast packet processing module is also used to, and obtains the multicast data reception request message instruction from the receiving module
Multicast traffic stream, the multicast traffic stream is pre-processed, and the pretreated multicast traffic stream is sent to institute
State receiving module；
The application processing module is also used to, and is obtained the pretreated multicast traffic stream from the receiving module and is handled.
12. a kind of apply processing unit, which is characterized in that including transmission unit and processing unit；
The transmission unit is used for, and multicast data reception request message is sent to multicast packet processing unit, so that the multicast
Data processing equipment notice reception device monitors the multicast channel of multicast data reception request message instruction, and from described
Reception device obtains the multicast traffic stream of the multicast data reception request message instruction, is located in advance to the multicast traffic stream
Reason, and the pretreated multicast traffic stream is sent to the reception device；
The processing unit is used for, and is obtained the pretreated multicast traffic stream from the reception device and is handled.
13. a kind of multicast packet processing unit, which is characterized in that including receiving unit, processing unit and transmission unit；
The receiving unit is used for, and receives the multicast data reception request message sent using processing unit；
The processing unit is used for, and the reception device is notified to monitor the multicast letter of the multicast data reception request message instruction
Road；
The receiving unit is also used to, and obtains the multicast number that the multicast data reception request message indicates from the reception device
According to stream；
The processing unit is also used to, and is pre-processed to the multicast traffic stream；
The transmission unit is used for, and the pretreated multicast traffic stream is sent to the reception device.
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| CN101795178A (en) * | 2009-02-04 | 2010-08-04 | 大唐移动通信设备有限公司 | Method and device for preprocessing data to be transmitted |
| CN104272825A (en) * | 2012-05-02 | 2015-01-07 | 高通股份有限公司 | Achieving fast embms channel switching and adding in lte |
| WO2017044253A1 (en) * | 2015-09-10 | 2017-03-16 | Qualcomm Incorporated | Smart co-processor for optimizing service discovery power consumption in wireless service platforms |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795178A (en) * | 2009-02-04 | 2010-08-04 | 大唐移动通信设备有限公司 | Method and device for preprocessing data to be transmitted |
| CN104272825A (en) * | 2012-05-02 | 2015-01-07 | 高通股份有限公司 | Achieving fast embms channel switching and adding in lte |
| WO2017044253A1 (en) * | 2015-09-10 | 2017-03-16 | Qualcomm Incorporated | Smart co-processor for optimizing service discovery power consumption in wireless service platforms |
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