CN102308600B - Broadcast multicast service data transmission method and apparatus - Google Patents
Broadcast multicast service data transmission method and apparatus Download PDFInfo
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- CN102308600B CN102308600B CN201180000927.XA CN201180000927A CN102308600B CN 102308600 B CN102308600 B CN 102308600B CN 201180000927 A CN201180000927 A CN 201180000927A CN 102308600 B CN102308600 B CN 102308600B
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1886—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with traffic restrictions for efficiency improvement, e.g. involving subnets or subdomains
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Abstract
The invention discloses a broadcast multicast service data transmission method, an apparatus and a system, which belong to communication field and can conduct a bypass transmission on the broadcast multicast service data and save network resources. The method comprises the following steps that BM-SC sends a conversation request message of a bypass transmission data; a bypass link of the bypass transmission data is established; the bypass transmission data is transmitted to the terminal of the bypass data through the bypass link. The embodiment of the invention is mainly used in the process of the broadcast multicast service data transmission.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of broadcast and multicast service data transmission method and device.
Background technology
Along with the development of smart mobile phone and mobile data services, people no longer meet simple note and speech business, and mobile TV service arises at the historic moment.In various application, mobile video has higher growth rate, and mobile video requires increasing bandwidth like this, and network has been proposed to very large challenge.
In order to save Internet resources, 3GPP has defined Local IP Access and Selected IP Traffic Offload, carrys out mobile network's transfer resource.For HNB (3G Home NodeB, 3G (3rd-generation, 3G (Third Generation) Moblie technology) Home eNodeB), integrated L-GW (the Local-GateWay of HNB, local gateway), carry out the internet data of bypass low value, and addressable local network, save the resource of transmission network and core net.For the grand network of 3G, RNC (Radio Network Controller, radio network controller) and L-GGSN (Local-Gateway GPRS Support Node, local gateway GPRS (General Packet Radio Service, general packet radio service technology) support node) combine deployment, carry out bypass SIPTO (Selected IP traffic offload by L-GGSN, select IP (Internet Protocol, the agreement interconnecting between network) bypass of flow) flow, save the resource of core net.
In the time realizing saving Internet resources, realize this saving Internet resources by unicast service data being carried out to bypass transmission at present, but corresponding broadcast and multicast service data, do not have at present complete feasible technical scheme of carrying out data bypass, ensure to realize the normal transmission of group broadcasting broadcast business data in saving net resource.
Summary of the invention
Embodiments of the invention provide a kind of broadcast and multicast service data transmission method and device, can bypass transmit broadcast and multicast service data, save Internet resources.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of broadcast and multicast service data transmission method, comprising:
Broadcast multicast service center BM-SC sends the conversation request message of bypass transmission data, sets up the bypass link of bypass transmission data;
Described BM-SC sends to by described bypass link the terminal that described bypass data is corresponding by bypass data.
A kind of broadcast multicast service center, comprising:
Transmitting element, for sending the conversation request message of bypass transmission data, sets up the bypass link of bypass transmission data;
Data transmission unit, for sending to by described bypass link the terminal that described bypass data is corresponding by bypass data.
Broadcast and multicast service data transmission method and device that the embodiment of the present invention provides, in the time carrying out MBMS transfer of data, send the conversation request message of bypass transmission data, sets up the bypass link of bypass transmission data; And using a part of MBMS data as bypass data, this bypass data is sent to the terminal that described bypass data is corresponding by described bypass link; Realize bypass MBMS transmission data, avoided MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of broadcast and multicast service data transmission method in the embodiment of the present invention 1;
Fig. 2 is the networking schematic diagram of a kind of bypass MBMS data in the embodiment of the present invention 2;
Fig. 3 is the networking schematic diagram of another kind of bypass MBMS data in the embodiment of the present invention 2;
Fig. 4 is the flow chart of broadcast and multicast service data transmission method in the embodiment of the present invention 2;
Fig. 5 is the networking schematic diagram of a kind of bypass MBMS data in the embodiment of the present invention 3;
Fig. 6 is the flow chart of broadcast and multicast service data transmission method in the embodiment of the present invention 3;
Fig. 7 is the networking schematic diagram of a kind of bypass MBMS data in the embodiment of the present invention 4;
Fig. 8 is the flow chart of broadcast and multicast service data transmission method in the embodiment of the present invention 4;
Fig. 9 is the networking schematic diagram of a kind of bypass MBMS data in the embodiment of the present invention 5;
Figure 10 is the networking schematic diagram of another kind of bypass MBMS data in the embodiment of the present invention 5;
Figure 11 is the flow chart of broadcast and multicast service data transmission method in the embodiment of the present invention 5;
Figure 12 is the networking schematic diagram of bypass MBMS data in the embodiment of the present invention 6;
Figure 13 is the flow chart of broadcast and multicast service data transmission method in the embodiment of the present invention 6;
Figure 14 is the composition frame chart of a kind of BM-SC in the embodiment of the present invention 7;
Figure 15 is the composition frame chart of another kind of BM-SC in the embodiment of the present invention 7;
Figure 16 is the composition frame chart of another kind of BM-SC in the embodiment of the present invention 7;
Figure 17 is the composition frame chart of another kind of BM-SC in the embodiment of the present invention 7;
Figure 18 is the composition frame chart of another kind of BM-SC in the embodiment of the present invention 7;
Figure 19 is the composition frame chart of another kind of BM-SC in the embodiment of the present invention 7.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The embodiment of the present invention provides a kind of broadcast and multicast service data transmission method, and as shown in Figure 1, the method comprises:
101, BM-SC (Broadcast-Multicast-Service Centre, broadcast multicast service center) sends the conversation request message of bypass transmission data, sets up the bypass link of bypass transmission data.
Wherein, described BM-SC is can be for being positioned at the BM-SC of CN (Core Network, core net) side; Also can be for being positioned at L-BM-SC (the Local-Broadcast-Multicast-Service Centre of described Access Network side, spot broadcasting multicast service center) or BM-SC agency, the embodiment of the present invention does not limit this, specifically determines according to different networking modes.Described BM-SC sends the conversation request message of bypass transmission data, sets up the bypass link of bypass transmission data for being specially:
When the BM-SC of the described CN of being positioned at side is directly connected with the local gateway of Access Network side, and while being positioned at the BM-SC of CN side described in data content is stored in, described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described in be positioned at CN side BM-SC send the conversation request message of described bypass transmission data to described local gateway, set up from being positioned at the BM-SC of CN side, by the local gateway of described Access Network side, and arrive the first bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.Or
When the BM-SC of the described CN of being positioned at side is directly connected with the local gateway of Access Network side, and when data content moves down into Access Network side, described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described in be positioned at CN side BM-SC send the conversation request message of described bypass transmission data to described local gateway, set up and close from the local network of described Access Network side, and arrive the second bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.Or
When described L-BM-SC is directly connected with the local gateway of Access Network side, and when data content is stored in described L-BM-SC, described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described L-BM-SC sends the conversation request message of described bypass transmission data to described local gateway, set up from L-BM-SC, by the local gateway of described Access Network side, and arrive the 3rd bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.Or
When described BM-SC agency is directly connected with the local gateway of Access Network side, and data content is stored in described BM-SC while acting on behalf of, described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described BM-SC agency sends the conversation request message of described bypass transmission data to described local gateway, set up from BM-SC agency, by the local gateway of described Access Network side, and arrive the 4th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.Or
As the described BM-SC of CN side and the TOF of Access Network side (the Traffic Offload Function of being positioned at, flow bypass functionality module) be directly connected time, described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described in be positioned at CN side BM-SC send the conversation request message of described bypass transmission data to CN network element, set up from being positioned at the BM-SC of CN side, by described TOF, and arrive the 5th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.
Wherein, in the time that the network of broadcast and multicast service data transmission is 3G (3rd-generation, 3G (Third Generation) Moblie technology) network, described local gateway is L-GGSN; In the time of the network of the broadcast and multicast service data transmission HNB (3G Home NodeB, 3G Home eNodeB) that is 3G network, described local gateway is L-GW; But the embodiment of the present invention does not limit this, in the time that the network of broadcast and multicast service data transmission is the network except above-mentioned two kinds, it can be for having the network element of L-GGSN or L-GW identical function.
102, described BM-SC sends to by described bypass link the terminal that described bypass data is corresponding by bypass data.
Be directed to the conversation request message that BM-SC described in step 101 sends bypass transmission data, set up the concrete scheme of the bypass link of bypass transmission data, BM-SC sends to the terminal that described bypass data is corresponding to be specially by described bypass link bypass data described in this step 102:
When the BM-SC of the described CN of being positioned at side sends the conversation request message of described bypass transmission data to described local gateway, set up from being positioned at the BM-SC of CN side, by the local gateway of described Access Network side, and while arriving the first bypass link of the terminal that bypass data is corresponding via the network element of Access Network side, described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described in be positioned at CN side BM-SC bypass data is sent to the terminal that described bypass data is corresponding by described the first bypass link.Or
When the BM-SC of the described CN of being positioned at side sends the conversation request message of described bypass transmission data to described local gateway, set up and close from the local network of described Access Network side, and while arriving the second bypass link of the terminal that bypass data is corresponding via the network element of Access Network side, described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described in be positioned at CN side BM-SC bypass data sent to the terminal that described bypass data is corresponding by described the second bypass link.Or
When described L-BM-SC sends the conversation request message of described bypass transmission data to described local gateway, set up from L-BM-SC, by the local gateway of described Access Network side, and while arriving the 3rd bypass link of the terminal that bypass data is corresponding via the network element of Access Network side, described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described L-BM-SC sends to by described the 3rd bypass link the terminal that described bypass data is corresponding by bypass data.Or
When described BM-SC acts on behalf of the conversation request message that sends described bypass transmission data to described local gateway, set up from BM-SC agency, by the local gateway of described Access Network side, and while arriving the 4th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side, described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described BM-SC agency sends to by described the 4th bypass link the terminal that described bypass data is corresponding by bypass data.Or
When the BM-SC of the described CN of being positioned at side sends the conversation request message of described bypass transmission data to CN network element, set up from being positioned at the BM-SC of CN side, by described TOF, and while arriving the 5th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side, described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described in be positioned at CN side BM-SC bypass data is sent to the terminal that described bypass data is corresponding by described the 5th bypass link.
In addition, described BM-SC can decide which flow bypass: APN, IP multicast address, traffic identifier, UE positional information, MBMS service area, the list of MBMS descendant node according to following information.
In the embodiment of the present invention, in the time carrying out MBMS transfer of data, send the conversation request message of bypass transmission data, set up the bypass link of bypass transmission data; And using a part of MBMS data as bypass data, this bypass data is sent to the terminal that described bypass data is corresponding by described bypass link; Realize bypass MBMS transmission data, avoided MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
Embodiment 2
The embodiment of the present invention provides a kind of broadcast and multicast service data transmission method, and in 3G network, local gateway is L-GGSN, a kind of networking of carrying out bypass MBMS data as shown in Figure 2, BM-SC is deployed in CN net, and L-GGSN goes out Gi and Gmb interface, and is connected to the BM-SC in CN; In the HNB of 3G network, local gateway is L-GW, a kind of networking of carrying out bypass MBMS data as shown in Figure 3, BM-SC is deployed in CN net, the content of MBMS is directly transmitted by the Gi interface of L-GW, L-GW goes out Gmb interface and is connected with BM-SC, and Gmb interface can be carried in the ipsec tunnel between HNB and SeGW.The embodiment of the present invention is specifically set forth the method taking 3G network as example, and as shown in Figure 4, the method comprises:
201, the session that BM-SC sends bypass MBMS transmission data to L-GGSN starts request message, set up from being positioned at BM-SC to trigger, by described local gateway L-GGSN, and via network element RNC (the Radio Network Controller of Access Network side, radio network controller), NodeB (base station) arrives the first bypass link of terminal (UE, User Equipment) corresponding to bypass data.
Wherein, before starting MBMS transmission data, if BM-SC determines bypass flow, BM-SC sends this session to L-GGSN and starts request.
202, L-GGSN receives described session and starts request message, returns to session start response message to described BM-SC.
203, L-GGSN starts after response message returning to session to described BM-SC, sends described session start request to described CN network element SGSN.
204, described SGSN receives the described session that described L-GGSN sends and starts after request, sends described session start request to the network element RNC of described access side.
205, described RNC receive described session start request after, return to session to described SGSN and start response message.
206, described RNC starts the wireless network resource of the described bypass MBMS data of request foundation transmission according to described session.
207,, after step 205, described SGSN receives after described session starts response message, described session is started to response message and send to described L-GGSN.
208, the bypass MBMS data that need bypass transmission are sent to described L-GGSN by BM-SC.
Wherein, described BM-SC can decide which flow bypass: APN, IP multicast address, traffic identifier, UE positional information, MBMS service area, the list of MBMS descendant node according to following information.
209, described L-GGSN receives described bypass MBMS data, and by described wireless network resource, described bypass MBMS data is sent to terminal corresponding to described bypass MBMS data.
It should be noted that, under networking model as shown in Figure 3, carry out the specific descriptions of broadcast and multicast service data transmission method, corresponding description that can refer step 201 to 209, different is, carry out broadcast and multicast service data transmission method under networking model as shown in Figure 3 time, step 201 is replaced with to L-GW to the L-GGSN in 209, RNC is replaced with to HNB GW.So carry out broadcast and multicast service data transmission method under networking model as shown in Figure 3, the embodiment of the present invention will repeat no more.
In the embodiment of the present invention, in the time carrying out MBMS transfer of data, sent the conversation request message of described bypass transmission data to described local gateway by the BM-SC that is positioned at CN side, set up from being positioned at the BM-SC of CN side, by the local gateway of described Access Network side, and arrive the first bypass link of the terminal that bypass data is corresponding via the network element of Access Network side; And using a part of MBMS data as bypass data, this bypass data is sent to the terminal that described bypass data is corresponding by this first bypass link; Realize bypass MBMS transmission data, avoided MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
Embodiment 3
The embodiment of the present invention provides a kind of broadcast and multicast service data transmission method, and in 3G network, local gateway is L-GGSN, a kind of networking of carrying out bypass MBMS data as shown in Figure 5, BM-SC is deployed in CN net, and L-GGSN goes out Gi and Gmb interface, and is connected to the BM-SC in CN; Bypass is that the flow (flow of CN) of flow and non-bypass all sends by L-GGSN.The broadcast and multicast service data transmission method of the embodiment of the present invention, as shown in Figure 6, the method comprises:
301, the session that BM-SC sends bypass MBMS transmission data to L-GGSN starts request message, set up from being positioned at BM-SC to trigger, by described local gateway L-GGSN, and arrive the first bypass link of the terminal UE that bypass data is corresponding via network element RNC, the NodeB of Access Network side.
Wherein, before starting MBMS transmission data, if BM-SC determines bypass flow, BM-SC sends this session to L-GGSN and starts request.
302, L-GGSN receives described session and starts request message, returns to session start response message to described BM-SC.
303, L-GGSN starts after response message returning to session to described BM-SC, sends described session start request to described CN network element SGSN.
304, described SGSN receives the described session that described L-GGSN sends and starts after request, sends described session start request to the network element RNC of described access side.
305, described RNC receive described session start request after, return to session to described SGSN and start response message.
306, described RNC starts the wireless network resource of the described bypass MBMS data of request foundation transmission according to described session.
307,, after step 305, described SGSN receives after described session starts response message, described session is started to response message and send to described L-GGSN.
308, the bypass MBMS data and the non-non-bypass MBMS data that need bypass transmission that need bypass transmission are sent to described L-GGSN by BM-SC.
309, described L-GGSN receives described bypass MBMS data and non-bypass MBMS data, and by described wireless network resource, described bypass MBMS data and non-bypass MBMS data is sent to terminal corresponding to described bypass MBMS data.
In the embodiment of the present invention, in the time carrying out MBMS transfer of data, sent the conversation request message of described bypass transmission data to described local gateway by the BM-SC that is positioned at CN side, set up from being positioned at the BM-SC of CN side, by the local gateway of described Access Network side, and arrive the first bypass link of the terminal that bypass data is corresponding via the network element of Access Network side; And using a part of MBMS data as bypass data, this bypass data is sent to the terminal that described bypass data is corresponding by this first bypass link; Realize bypass MBMS transmission data, avoided MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
And, in the embodiment of the present invention, at local gateway by bypass MBMS data, when the wireless network resource of setting up by wireless net member sends to terminal corresponding to bypass MBMS data, the wireless network resource that can also non-bypass MBMS data be set up by wireless net member by local gateway sends to terminal corresponding to non-MBMS data, avoid non-bypass MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
Embodiment 4
The embodiment of the present invention provides a kind of broadcast and multicast service data transmission method, bypass MBMS data in needs transmission can be arranged in the BM-SC that is deployed in CN side, also this bypass MBMS data can be displaced downwardly to Access Network side, as shown in Figure 7, BM-SC is still deployed in CN side, and bypass MBMS data content is displaced downwardly to Access Network side and directly transmits by the Gi interface of L-GGSN; L-GGSN goes out Gmb interface and is connected to the BM-SC in CN.In the time of networking model as shown in Figure 7, described broadcast and multicast service data transmission method as shown in Figure 8, comprising:
401, the session that BM-SC sends bypass MBMS transmission data to L-GGSN starts request message, set up from described local gateway L-GGSN to trigger, and arrive the second bypass link of the terminal UE that bypass data is corresponding via network element RNC, the NodeB of Access Network side.
Wherein, before starting MBMS transmission data, if BM-SC determines bypass flow, BM-SC sends this session to L-GGSN and starts request.
402, L-GGSN receives described session and starts request message, returns to session start response message to described BM-SC.
403, L-GGSN starts after response message returning to session to described BM-SC, sends described session start request to described CN network element SGSN.
404, described SGSN receives the described session that described L-GGSN sends and starts after request, sends described session start request to the network element RNC of described access side.
405, described RNC receive described session start request after, return to session to described SGSN and start response message.
406, described RNC starts the wireless network resource of the described bypass MBMS data of request foundation transmission according to described session.
407,, after step 405, described SGSN receives after described session starts response message, described session is started to response message and send to described L-GGSN.
408, wireless access network side, by the Gi interface of L-GGSN, sends to described L-GGSN by the bypass MBMS data that need bypass transmission.
409, described L-GGSN receives described bypass MBMS data, and by described wireless network resource, described bypass MBMS data is sent to terminal corresponding to described bypass MBMS data
In the embodiment of the present invention, in the time carrying out MBMS transfer of data, sent the conversation request message of described bypass transmission data to described local gateway by the BM-SC that is positioned at CN side, set up from being positioned at the BM-SC of CN side, by the local gateway of described Access Network side, and arrive the first bypass link of the terminal that bypass data is corresponding via the network element of Access Network side; And using a part of MBMS data as bypass data, this bypass data is sent to the terminal that described bypass data is corresponding by described the first bypass link; Realize bypass MBMS transmission data, avoided MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
Embodiment 5
The embodiment of the present invention provides a kind of broadcast and multicast service data transmission method, and in the time of transmission by-pass MBMS data, BM-SC not only can be deployed in CN side, BM-SC can also be deployed in to Access Network, and exists with L-BM-SC or BM-SC agency's form; The networking mode of concrete G3 network can, for as shown in Figure 9, be deployed in Access Network side by L-BM-SC or BM-SC agency department, and L-GGSN goes out Gmb and Gi interface and be connected to L-BM-SC or the BM-SC agency of Access Network side; Can as shown in figure 10, L-BM-SC or BM-SC agency department be deployed in to Access Network side at the HNB of 3G network networking mode, the content of MBMS is directly transmitted by the Gi interface of L-GW; L-GGSN goes out Gmb interface and is connected to the L-BM-SC of wireless access network side or BM-SC agency.The embodiment of the present invention is specifically set forth the method with 3G network and taking L-BM-SC as example, and as shown in figure 11, the method comprises:
501, the session that L-BM-SC sends bypass MBMS transmission data to L-GGSN starts request message, set up from L-BM-SC to trigger, by the local gateway L-GGSN of described Access Network side, and arrive the 3rd bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.
Wherein, before starting MBMS transmission data, if L-BM-SC determines bypass flow, L-BM-SC sends this session to L-GGSN and starts request.
502, L-GGSN receives described session and starts request message, returns to session start response message to described L-BM-SC.
503, L-GGSN starts after response message returning to session to described L-BM-SC, sends described session start request to described CN network element SGSN.
504, described SGSN receives the described session that described L-GGSN sends and starts after request, sends described session start request to the network element RNC of described access side.
505, described RNC receive described session start request after, return to session to described SGSN and start response message.
506, described RNC starts the wireless network resource of the described bypass MBMS data of request foundation transmission according to described session.
507,, after step 505, described SGSN receives after described session starts response message, described session is started to response message and send to described L-GGSN.
508, the bypass MBMS data that need bypass transmission are sent to described L-GGSN by L-BM-SC.
Wherein, described L-BM-SC can decide which flow bypass: APN, IP multicast address, traffic identifier, UE positional information, MBMS service area, the list of MBMS descendant node according to following information.
509, described L-GGSN receives described bypass MBMS data, and by described wireless network resource, described bypass MBMS data is sent to terminal corresponding to described bypass MBMS data.
It should be noted that, in the time of this bypass of transmission MBMS data, in the time that BM-SC is deployed in Access Network side with BM-SC agency's form, the specific descriptions of embodiment of the present invention broadcast and multicast service data transmission method, can be with reference to the corresponding description of above-mentioned steps 501 to 509, different is, L-BM-SC is replaced with to BM-SC agency, sent the conversation request message of described bypass transmission data to described local gateway by described BM-SC agency, set up from BM-SC agency, by the local gateway of described Access Network side, and arrive the 4th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side, and described BM-SC agency sends to by described the 4th bypass link the terminal that described bypass data is corresponding by bypass data, so when BM-SC is deployed in the specific descriptions of the broadcast and multicast service data transmission method of Access Network side with BM-SC agency's form, the embodiment of the present invention will repeat no more.
It should be noted that, under networking model as shown in figure 10, carry out the specific descriptions of broadcast and multicast service data transmission method, corresponding description that can refer step 501 to 509, different is, carry out broadcast and multicast service data transmission method under networking model as shown in Figure 3 time, step 501 is replaced with to L-GW to the L-GGSN in 509, RNC is replaced with to HNB GW.So carry out broadcast and multicast service data transmission method under networking model as shown in figure 10, the embodiment of the present invention will repeat no more.
In the embodiment of the present invention, in the time carrying out MBMS transfer of data, sent the conversation request message of described bypass transmission data to described local gateway by described L-BM-SC, set up from L-BM-SC, by the local gateway of described Access Network side, and arrive the 3rd bypass link of the terminal that bypass data is corresponding via the network element of Access Network side; And using a part of MBMS data as bypass data, this bypass data is sent to the terminal that described bypass data is corresponding by described the 3rd bypass link; Or sent the conversation request message of described bypass transmission data to described local gateway by described BM-SC agency, set up from BM-SC agency, by the local gateway of described Access Network side, and arrive the 4th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side, this bypass data is sent to the terminal that described bypass data is corresponding by described the 4th bypass link; Realize bypass MBMS transmission data, avoided MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
Embodiment 6
The embodiment of the present invention provides a kind of broadcast and multicast service data transmission method, in 3G network, a kind of networking of carrying out bypass MBMS data as shown in figure 12, the deployment of BM-SC and Gmb interface are retained in core net, RNC and HNB GW have TOF function, and being provided with TOF functional module, the content of MBMS is directly transmitted by the Gi interface of TOF.This broadcast and multicast service data transmission method specifically as shown in figure 13, comprising:
601, the session that BM-SC sends bypass transmission broadcasting multicast service MBMS data to CN network element GGSN starts request message, set up from being positioned at the BM-SC of CN side to trigger, by described TOF, and via the 5th bypass link of the network element RNC of Access Network side and NodeB or HNB GW and HNB, terminal that arrival bypass data is corresponding.
Wherein, before starting MBMS transmission data, if BM-SC determines bypass flow, BM-SC sends this session to GGSN and starts request.
602, GGSN receives described session and starts request message, returns to session start response message to described BM-SC.
603, GGSN starts after response message returning to session to described BM-SC, sends described session start request to described SGSN.
604, described SGSN receives the described session that described GGSN sends and starts after request, sends described session start request to the network element RNC of described access side or HNB GW.
605, described RNC or HNB GW receive described session start request after, return to session to described SGSN and start response message.
606, described RNC or HNB GW start the wireless network resource of the described bypass MBMS data of request foundation transmission according to described session.
607,, after step 605, described SGSN receives after described session starts response message, described session is started to response message and send to described GGSN.
608, BM-SC sends to the TOF of described RNC or the TOF of HNB GW by the bypass MBMS data that need bypass transmission by Gi interface.
Wherein, described BM-SC can decide which flow bypass: APN, IP multicast address, traffic identifier, UE positional information, MBMS service area, the list of MBMS descendant node according to following information.
609, the TOF of the TOF of described RNC or HNB GWN receives described bypass MBMS data, and by described wireless network resource, described bypass MBMS data is sent to terminal corresponding to described bypass MBMS data.
In the embodiment of the present invention, in the time carrying out MBMS transfer of data, sent the conversation request message of described bypass transmission data to CN network element by the BM-SC that is positioned at CN side, set up from being positioned at the BM-SC of CN side, by described TOF, and arrive the 5th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side, bypass MBMS data are sent to terminal corresponding to this bypass MBMS data by described the 5th bypass link; Realize bypass MBMS transmission data, avoided MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
Embodiment 7
The embodiment of the present invention provides a kind of broadcast multicast service center, and this broadcast multicast service center BM-SC can be for being positioned at the BM-SC of core net CN side; Or for being positioned at spot broadcasting multicast service center L-BM-SC or the BM-SC agency of described Access Network side, the embodiment of the present invention does not limit this, in the specific implementation, specifically determines according to networking model.As shown in figure 14, described BM-SC comprises: transmitting element 71, data transmission unit 72.
Transmitting element 71, for sending the conversation request message of bypass transmission data, sets up the bypass link of bypass transmission data.
Data transmission unit 72, for sending to by described bypass link the terminal that described bypass data is corresponding by bypass data.
Further alternative, when described BM-SC is the BM-SC that is positioned at CN side, and be directly connected with the local gateway of Access Network side, and data content is while being positioned at the BM-SC of CN side described in being stored in, as shown in figure 15, described transmitting element 71 comprises the first sending module 711; Described data transmission unit 72 comprises first data transmission module 721.
Described the first sending module 711, for send the conversation request message of described bypass transmission data to described local gateway, set up from being positioned at the BM-SC of CN side, by the local gateway of described Access Network side, and arrive the first bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.
Described first data transmission module 721, for sending to by described the first bypass link the terminal that described bypass data is corresponding by bypass data.
Further alternative, in order further to have saved Internet resources, described first data transmission module 721 also for, non-bypass data is sent to terminal corresponding to described non-bypass data by described the first bypass link.
Further alternative, when described BM-SC is the BM-SC that is positioned at CN side, be directly connected with the local gateway of Access Network side, and data content is while moving down into Access Network side, as shown in figure 16, described transmitting element 71 comprises the second sending module 712; Described data transmission unit 72 comprises the second data transmission module 722.
Described the second sending module 712, for send the conversation request message of described bypass transmission data to described local gateway, set up and close from the local network of described Access Network side, and arrive the second bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.
Described the second data transmission module 722, for sending to by described the second bypass link the terminal that described bypass data is corresponding by bypass data.
Further alternative, when described BM-SC is L-BM-SC, be directly connected with the local gateway of Access Network side, and data content is while being stored in described L-BM-SC, as shown in figure 17, described transmitting element 71 comprises the 3rd sending module 73; Described data transmission unit 72 comprises the 3rd data transmission unit 723.
Described the 3rd sending module 713, for send the conversation request message of described bypass transmission data to described local gateway, set up from L-BM-SC, by the local gateway of described Access Network side, and arrive the 3rd bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.
Described the 3rd data transmission module 723, for sending to by described the 3rd bypass link the terminal that described bypass data is corresponding by bypass data.
Further alternative, when described BM-SC is BM-SC agency, be directly connected with the local gateway of Access Network side, and data content is when being stored in described BM-SC and acting on behalf of, as shown in figure 18, described transmitting element 71 comprises the 4th sending module 714; Described data transmission unit 72 comprises the 4th data transmission module 724.
Described the 4th sending module 714, for send the conversation request message of described bypass transmission data to described local gateway, set up from BM-SC agency, by the local gateway of described Access Network side, and arrive the 4th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.
Described the 4th data transmission module 724, for sending to by described the 4th bypass link the terminal that described bypass data is corresponding by bypass data.
Further alternative, when described BM-SC is the BM-SC that is positioned at CN side, while being directly connected with the flow bypass functionality module TOF of Access Network side, as shown in figure 19, described transmitting element 71 comprises the 5th sending module 715; Described data transmission unit 72 comprises the 5th data transmission module 725.
Described the 5th sending module 715, for send the conversation request message of described bypass transmission data to CN network element, set up from being positioned at the BM-SC of CN side, by described TOF, and arrive the 5th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side.
Described the 5th data transmission module 725, for sending to by described the 5th bypass link the terminal that described bypass data is corresponding by bypass data.
It should be noted that, other functions of each functional module of the broadcasting multicast service service centre that the embodiment of the present invention provides, the corresponding description in can reference example 1 to embodiment 6, the embodiment of the present invention will repeat no more herein.
In the embodiment of the present invention, in the time carrying out MBMS transfer of data, send the conversation request message of bypass transmission data, set up the bypass link of bypass transmission data; And using a part of MBMS data as bypass data, this bypass data is sent to the terminal that described bypass data is corresponding by described bypass link; Realize bypass MBMS transmission data, avoided MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
And, in the embodiment of the present invention, at local gateway by bypass MBMS data, when the wireless network resource of setting up by the network element of access side sends to terminal corresponding to bypass MBMS data, the wireless network resource that can also non-bypass MBMS data be set up by the network element of access side by local gateway sends to terminal corresponding to non-MBMS data, avoid non-bypass MBMS data from broadcast multicast service center to CN and the transmission from CN to wireless access network, saved Internet resources.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, as the floppy disk of computer, hard disk or CD etc., comprise that some instructions are in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (16)
1. a broadcast and multicast service data transmission method, is characterized in that, comprising:
Broadcast multicast service center BM-SC sends the conversation request message of bypass transmission data, sets up the bypass link of bypass transmission data;
Described BM-SC sends to by described bypass link the terminal that described bypass data is corresponding by bypass data;
The described bypass link of setting up bypass transmission data, comprising:
Set up from described BM-SC, by local gateway or the flow bypass functionality module TOF of Access Network side, and arrive the described bypass link of the terminal that described bypass data is corresponding via the network element of described Access Network.
2. broadcast and multicast service data transmission method according to claim 1, is characterized in that, described BM-SC is: the BM-SC that is positioned at core net CN side; Or be positioned at spot broadcasting multicast service center L-BM-SC or the BM-SC agency of Access Network side.
3. broadcast and multicast service data transmission method according to claim 2, is characterized in that, when the BM-SC of the described CN of being positioned at side is directly connected with the local gateway of Access Network side, and data content is while being positioned at the BM-SC of CN side described in being stored in,
Described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described in be positioned at CN side BM-SC send the conversation request message of described bypass transmission data to described local gateway, set up from being positioned at the BM-SC of CN side, by the local gateway of described Access Network side, and arrive the first bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described in be positioned at CN side BM-SC bypass data is sent to the terminal that described bypass data is corresponding by described the first bypass link.
4. broadcast and multicast service data transmission method according to claim 3, is characterized in that, the method also comprises:
The BM-SC of the described CN of being positioned at side sends to terminal corresponding to described non-bypass data by non-bypass data by described the first bypass link.
5. broadcast and multicast service data transmission method according to claim 2, is characterized in that, when the BM-SC of the described CN of being positioned at side is directly connected with the local gateway of Access Network side, and data content is while moving down into Access Network side,
Described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described in be positioned at CN side BM-SC send the conversation request message of described bypass transmission data to described local gateway, set up and close from the local network of described Access Network side, and arrive the second bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described in be positioned at CN side BM-SC bypass data sent to the terminal that described bypass data is corresponding by described the second bypass link.
6. broadcast and multicast service data transmission method according to claim 2, is characterized in that, when described L-BM-SC is directly connected with the local gateway of Access Network side, and data content is while being stored in described L-BM-SC,
Described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described L-BM-SC sends the conversation request message of described bypass transmission data to described local gateway, set up from L-BM-SC, by the local gateway of described Access Network side, and arrive the 3rd bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described L-BM-SC sends to by described the 3rd bypass link the terminal that described bypass data is corresponding by bypass data.
7. broadcast and multicast service data transmission method according to claim 2, is characterized in that, when described BM-SC agency is directly connected with the local gateway of Access Network side, and data content is when being stored in described BM-SC and acting on behalf of,
Described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described BM-SC agency sends the conversation request message of described bypass transmission data to described local gateway, set up from BM-SC agency, by the local gateway of described Access Network side, and arrive the 4th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described BM-SC agency sends to by described the 4th bypass link the terminal that described bypass data is corresponding by bypass data.
8. broadcast and multicast service data transmission method according to claim 2, is characterized in that, in the time that the BM-SC of the described CN of being positioned at side and the flow bypass functionality module TOF of Access Network side are directly connected,
Described BM-SC sends the conversation request message of bypass transmission data, the bypass link of setting up bypass transmission data is: described in be positioned at CN side BM-SC send the conversation request message of described bypass transmission data to CN network element, set up from being positioned at the BM-SC of CN side, by described TOF, and arrive the 5th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described BM-SC sends to the terminal that described bypass data is corresponding to be by described bypass link bypass data: described in be positioned at CN side BM-SC bypass data is sent to the terminal that described bypass data is corresponding by described the 5th bypass link.
9. a broadcast multicast service center, is characterized in that, comprising:
Transmitting element, for sending the conversation request message of bypass transmission data, sets up the bypass link of bypass transmission data;
Data transmission unit, for sending to by described bypass link the terminal that described bypass data is corresponding by bypass data;
Described transmitting element, also for setting up from BM-SC, by local gateway or the flow bypass functionality module TOF of Access Network side, and arrives the described bypass link of the terminal that described bypass data is corresponding via the network element of described Access Network.
10. broadcast multicast service center according to claim 9, is characterized in that, broadcast multicast service center BM-SC is: the BM-SC that is positioned at core net CN side; Or be positioned at spot broadcasting multicast service center L-BM-SC or the BM-SC agency of Access Network side.
11. broadcast multicast service center according to claim 10, is characterized in that, when the BM-SC of the described CN of being positioned at side is directly connected with the local gateway of Access Network side, and data content is while being positioned at the BM-SC of CN side described in being stored in,
Described transmitting element comprises the first sending module, for send the conversation request message of described bypass transmission data to described local gateway, set up from being positioned at the BM-SC of CN side, by the local gateway of described Access Network side, and arrive the first bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described data transmission unit comprises first data transmission module, for bypass data is sent to the terminal that described bypass data is corresponding by described the first bypass link.
12. broadcast multicast service center according to claim 11, is characterized in that, described first data transmission module also for, non-bypass data is sent to terminal corresponding to described non-bypass data by described the first bypass link.
13. broadcast multicast service center according to claim 10, is characterized in that, when the BM-SC of the described CN of being positioned at side is directly connected with the local gateway of Access Network side, and data content is while moving down into Access Network side,
Described transmitting element comprises the second sending module, for send the conversation request message of described bypass transmission data to described local gateway, set up and close from the local network of described Access Network side, and arrive the second bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described data transmission unit comprises the second data transmission module, for bypass data is sent to the terminal that described bypass data is corresponding by described the second bypass link.
14. broadcast multicast service center according to claim 10, is characterized in that, when described L-BM-SC is directly connected with the local gateway of Access Network side, and data content is while being stored in described L-BM-SC,
Described transmitting element comprises the 3rd sending module, for send the conversation request message of described bypass transmission data to described local gateway, set up from L-BM-SC, by the local gateway of described Access Network side, and arrive the 3rd bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described data transmission unit comprises the 3rd data transmission module, for bypass data is sent to the terminal that described bypass data is corresponding by described the 3rd bypass link.
15. broadcast multicast service center according to claim 10, is characterized in that, when described BM-SC agency is directly connected with the local gateway of Access Network side, and data content is when being stored in described BM-SC and acting on behalf of,
Described transmitting element comprises the 4th sending module, for send the conversation request message of described bypass transmission data to described local gateway, set up from BM-SC agency, by the local gateway of described Access Network side, and arrive the 4th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described data transmission unit comprises the 4th data transmission module, for bypass data is sent to the terminal that described bypass data is corresponding by described the 4th bypass link.
16. broadcast multicast service center according to claim 10, is characterized in that, in the time that the BM-SC of the described CN of being positioned at side and the flow bypass functionality module TOF of Access Network side are directly connected,
Described transmitting element comprises the 5th sending module, for send the conversation request message of described bypass transmission data to CN network element, set up from being positioned at the BM-SC of CN side, by described TOF, and arrive the 5th bypass link of the terminal that bypass data is corresponding via the network element of Access Network side;
Described data transmission unit comprises the 5th data transmission module, for bypass data is sent to the terminal that described bypass data is corresponding by described the 5th bypass link.
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| CN111176563B (en) * | 2019-12-24 | 2023-10-31 | 湖南国科微电子股份有限公司 | Method for bypass access to storage data, storage device and bypass access storage system |
| CN112738735B (en) * | 2021-02-03 | 2022-05-03 | 上海交通大学 | Broadcast MBMS transmission system and method, core network and access network |
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| CN100450113C (en) * | 2005-10-31 | 2009-01-07 | 华为技术有限公司 | Method for registering multimedia service of broadcast / multicast service |
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