CN105992167B

CN105992167B - The implementation method and device of long term evolution LTE cluster multicast

Info

Publication number: CN105992167B
Application number: CN201510076148.8A
Authority: CN
Inventors: 张广思; 袁乃华; 周志宏; 陈迎
Original assignee: TD Tech Ltd
Current assignee: TD Tech Ltd
Priority date: 2015-02-12
Filing date: 2015-02-12
Publication date: 2019-06-25
Anticipated expiration: 2035-02-12
Also published as: CN105992167A

Abstract

The present invention provides the implementation method and device of a kind of long term evolution LTE cluster multicast.The described method includes: base station receives the call request signaling message that calling UE is sent, the mark of multicast group where call request signaling message carries calling UE；Call request signaling message is sent to equipment of the core network, and receives the feedback message that calling receives, and send feedback message to calling UE；Base station reception group, which is exhaled, establishes signaling message；It includes identifying corresponding multicast ip address and port number information that group, which exhales and establishes signaling message,；Group is exhaled in base station to be established signaling message and is sent to called UE；Group exhale establish signaling message be used to indicate called UE stop triggering IGMP be added process, create multicast reception process；Base station receives the uplink IP packet that calling UE is sent, and IP packet is sent to equipment of the core network；Base station receives the downlink multicast message that equipment of the core network is sent, and downlink multicast message is sent to called UE.The present invention can be realized LTE cluster multicast business.

Description

The implementation method and device of long term evolution LTE cluster multicast

Technical field

The present invention relates to the communication technology more particularly to a kind of implementation methods and device of long term evolution LTE cluster multicast.

Background technique

Multicast, which refers to, sends some determination for data packet in iso-ip Internetworking protocol ISO-IP IP network in the form transmitted as possible Node set (i.e. multicast group), source host, that is, multicast source only sends a data, and destination address is multicast group address；Multicast All recipients in group can receive same data copy, and the host only in multicast group can receive the data, And other hosts cannot then receive.

In the prior art, user equipment (User Equipment, abbreviation UE) is establishing data multicast group or video multicast When group or voice multicast group, needs to be pre-configured with the corresponding multicast ip address of multicast group and user equipment needs to send because of spy Net igmpinternet (Internet Group Management Protocol, abbreviation IGMP) is added message and multicast group is added, In long term evolution (Long Term Evolution, abbreviation LTE) system, most of UE is in wireless heterogeneous networks (Radio Resource Control, referred to as: RRC) idle (IDLE) state and network are connectionless, and group is exhaled when establishing, and multiple called UEs are simultaneously Into RRC connected state, random access is initiated, and interface-free resources are limited, a large amount of random access caused by multi-user, will lead to resource Conflict, these just will affect user equipment and long term evolution (Long Term Evolution, abbreviation LTE) base station multicast group industry The signaling link setup process of business, can also increase the multicast group link setup time.

Summary of the invention

The present invention provides the implementation method and device of a kind of long term evolution LTE cluster multicast, realizes LTE cluster multicast industry Business.

In a first aspect, the present invention provides a kind of implementation method of long term evolution LTE cluster multicast, comprising:

Base station receives the call request signaling message that calling subscriber equipment UE is sent, and the call request signaling message carries The mark of multicast group where the calling UE；

The call request signaling message is sent to equipment of the core network by the base station, and is received the equipment of the core network and turned The feedback message that the calling that the controlling equipment of hair is sent receives, and the feedback message is sent to the calling UE；

The group that the controlling equipment that the base station receives the equipment of the core network forwarding is sent, which is exhaled, establishes signaling message；Institute State group and exhale that establish signaling message include the corresponding multicast ip address of the mark and port number information；

The base station, which exhales described group, to be established signaling message and is sent to called UE；It exhales for described group and establishes signaling message for referring to Show that the called UE stops triggering Internet Group Management Protocol IGMP and process is added, creates multicast reception process；

The base station receives the uplink IP packet that the calling UE is sent, and the IP packet is sent to the core net and is set It is standby；

The base station receives the downlink multicast message that the equipment of the core network is sent, by downlink multicast message duplication point The corresponding baseband board of multiple cells being dealt into the group where the called UE, and it is sent to the called UE.

Optionally, the base station receives the uplink IP packet that the calling UE is sent, comprising:

The base station receives the uplink multicast IP packet that the calling UE is sent；The destination of the uplink multicast IP packet Location is the multicast ip address.

The base station receives the unicast IP packet that the calling UE is sent；

Correspondingly, the base station receives the downlink multicast message that the equipment of the core network is sent, comprising:

The base station receives the downlink multicast message that the controlling equipment of the equipment of the core network forwarding is sent, institute Stating downlink multicast message is to be converted the uplink IP packet by the controlling equipment.

Optionally, multiple small in the group downlink multicast message replicated where being distributed to the called UE The corresponding baseband board in area, comprising:

Downlink multicast message duplication is distributed to the corresponding base of the multiple cell by mode of unicast by the base station Band plate.

Second aspect, the present invention provide a kind of implementation method of long term evolution LTE cluster multicast, comprising:

Equipment of the core network receives the call request signaling message that base station is sent, and the call request signaling message carries caller The mark of multicast group where user equipment (UE)；

The call request signaling message is sent to controlling equipment by the equipment of the core network, and receives the controlling equipment The feedback message that the calling of transmission receives, and the feedback message is sent to the base station；

The group that the equipment of the core network receives the controlling equipment transmission, which is exhaled, establishes signaling message；It exhales for described group and establishes signaling Message includes the corresponding multicast ip address of the mark and port number information；

The equipment of the core network, which exhales described group, to be established signaling message and is sent to the base station, so that the base station is sent to Called UE；It exhales to establish signaling message and be used to indicate the called UE and stop triggering Internet Group Management Protocol IGMP for described group and be added Process creates multicast reception process；

The equipment of the core network receives the uplink IP packet that the calling UE of the base station forwarding is sent；

The uplink IP packet is sent to the controlling equipment by the equipment of the core network, so that the controlling equipment is by institute It states uplink IP packet and is converted to the corresponding downlink multicast message of the multicast ip address；

The equipment of the core network receives the downlink multicast message that the controlling equipment is sent, and by the downlink multicast Message is sent to the corresponding base station of mark of the multicast group.

Optionally, the corresponding base station of mark that the downlink multicast message is sent to the multicast group, comprising:

The equipment of the core network by mode of unicast by the downlink multicast message duplication be distributed to it is described mark it is corresponding Base station；Or,

The downlink multicast message is distributed to the corresponding base station of the mark by multicast mode by the equipment of the core network.

The third aspect, the present invention provide a kind of implementation method of long term evolution LTE cluster multicast, comprising:

Controlling equipment receives the call request signaling message of equipment of the core network forwarding, and the call request signaling message carries The mark of multicast group where calling subscriber equipment UE；

The controlling equipment sends the feedback message that calling receives to the equipment of the core network, so that the equipment of the core network The feedback message is sent to base station；

The controlling equipment exhales to the equipment of the core network transmission group and establishes signaling message, so that the equipment of the core network will It exhales for described group and establishes signaling message and be sent to base station；Described group is exhaled that establish signaling message include the mark corresponding multicast IP Location and port number information；

The controlling equipment receives the uplink IP packet that the calling UE of the equipment of the core network forwarding is sent；

The uplink IP packet is converted to the corresponding downlink multicast message of the multicast ip address by the controlling equipment, and The downlink multicast message is sent to the equipment of the core network, so that the equipment of the core network sends out the downlink multicast message Give the corresponding base station of mark of the multicast group.

It is optionally, described that the downlink multicast message is sent to the core net, comprising:

Downlink multicast message duplication is distributed to the equipment of the core network by mode of unicast by the controlling equipment； Or,

The downlink multicast message is distributed to the equipment of the core network by multicast mode by the controlling equipment.

Fourth aspect, the present invention provide a kind of implementation method of long term evolution LTE cluster multicast, comprising:

Controlling equipment receives the call request signaling message that caller dispatching desk is sent, and the call request signaling message carries The mark of multicast group where the caller dispatching desk；

The controlling equipment sends the feedback message that calling receives to the caller dispatching desk；

The controlling equipment exhales to called dispatching desk transmission group and establishes signaling message；It exhales for described group and establishes signaling message and include It is described to identify corresponding multicast ip address and port number information；

The controlling equipment receives the uplink IP packet that the caller dispatching desk is sent；

The uplink IP packet is converted to the corresponding downlink multicast message of the multicast ip address by the controlling equipment, and The downlink multicast message is sent to the called dispatching desk.

It is optionally, described that the downlink multicast message is sent to the called dispatching desk, comprising:

Downlink multicast message duplication is distributed to the called dispatching desk by mode of unicast by the controlling equipment； Or,

The downlink multicast message is distributed to the called dispatching desk by multicast mode by the controlling equipment.

5th aspect, the present invention provide a kind of implementation method of long term evolution LTE cluster multicast, comprising:

Caller dispatching desk sends call request signaling message to controlling equipment, described in the call request signaling message carries The mark of multicast group where caller dispatching desk；

The caller dispatching desk receives the feedback message that the calling that the controlling equipment is sent receives；

The group that the caller dispatching desk receives the controlling equipment transmission, which is exhaled, establishes signaling message；It exhales for described group and establishes signaling Message includes the corresponding multicast ip address of the mark and port number information；

The caller dispatching desk sends uplink IP packet to the controlling equipment, so that the controlling equipment is by the uplink IP packet is converted to the corresponding downlink multicast message of the multicast ip address, and the downlink multicast message is sent to called tune Spend platform.

6th aspect, the present invention provide a kind of base station, comprising:

Receiving module, for receiving the call request signaling message of calling subscriber equipment UE transmission, the call request letter The mark of multicast group where enabling message carry the calling UE；

Sending module, for the call request signaling message to be sent to equipment of the core network；

The receiving module is also used to receive the anti-of the calling receiving of the controlling equipment transmission of the equipment of the core network forwarding Present message；

The sending module is also used to send the feedback message to the calling UE；

The receiving module, the group for being also used to receive the controlling equipment transmission of the equipment of the core network forwarding exhale foundation Signaling message；Described group is exhaled that establish signaling message include the corresponding multicast ip address of the mark and port number information；

The sending module is also used to exhale described group and establishes signaling message and be sent to called UE；Described group is exhaled foundation to believe It enables message be used to indicate the called UE and stops triggering Internet Group Management Protocol IGMP addition process, create multicast reception stream Journey；

The receiving module is also used to receive the uplink IP packet that the calling UE is sent, the IP packet is sent to The equipment of the core network；

The receiving module is also used to receive the downlink multicast message that the equipment of the core network is sent；

Processing module, it is multiple in the group where being distributed to the called UE for replicating the downlink multicast message The corresponding baseband board of cell, and it is sent to the called UE.

Optionally, the receiving module, is specifically used for: receiving the uplink multicast IP packet that the calling UE is sent；It is described The destination address of uplink multicast IP packet is the multicast ip address.

Optionally, the receiving module, is specifically used for: receiving the unicast IP packet that the calling UE is sent；

Correspondingly, the receiving module, also particularly useful for: the base station receives the tune of the equipment of the core network forwarding The downlink multicast message that equipment is sent is spent, the downlink multicast message is by the controlling equipment by the uplink IP packet It converts.

Optionally, the processing module, is specifically used for:

Downlink multicast message duplication is distributed to the corresponding baseband board of the multiple cell by mode of unicast.

7th aspect, the present invention provide a kind of equipment of the core network, comprising:

Receiving module, for receiving the call request signaling message of base station transmission, the call request signaling message is carried The mark of multicast group where calling subscriber equipment UE；

Sending module, for the call request signaling message to be sent to controlling equipment；

The receiving module is also used to receive the feedback message that the calling that the controlling equipment is sent receives；

The sending module is also used to and the feedback message is sent to the base station；

The receiving module, the group for being also used to receive the controlling equipment transmission, which is exhaled, establishes signaling message；It exhales for described group and builds Vertical signaling message includes the corresponding multicast ip address of the mark and port number information；

The sending module is also used to exhale described group and establishes signaling message and be sent to the base station, so that the base station It is sent to called UE；It exhales to establish signaling message and be used to indicate the called UE for described group and stops triggering Internet Group Management Protocol Process is added in IGMP, creates multicast reception process；

The receiving module is also used to receive the uplink IP packet that the calling UE of the base station forwarding is sent；

The sending module is also used to the uplink IP packet being sent to the controlling equipment, so that the scheduling is set It is standby that the uplink IP packet is converted into the corresponding downlink multicast message of the multicast ip address；

The receiving module is also used to receive the downlink multicast message that the controlling equipment is sent；

The sending module, the corresponding base of mark for being also used to the downlink multicast message being sent to the multicast group It stands.

Optionally, the sending module, is specifically used for: being distributed to downlink multicast message duplication by mode of unicast It is described to identify corresponding base station；Or,

The downlink multicast message is distributed to the corresponding base station of the mark by multicast mode.

Eighth aspect, the present invention provide a kind of controlling equipment, comprising:

Receiving module, for receiving the call request signaling message of equipment of the core network forwarding, the call request signaling disappears The mark of multicast group where breath carries calling subscriber equipment UE；

Sending module, for sending the feedback message that calling receives to the equipment of the core network, so that the core net is set It is standby that the feedback message is sent to base station；

The sending module is also used to exhale to the equipment of the core network transmission group and establishes signaling message, so that the core Net equipment, which exhales described group, to be established signaling message and is sent to base station；Described group exhale establish signaling message include it is described mark it is corresponding Multicast ip address and port number information；

The receiving module is also used to receive the uplink IP report that the calling UE of the equipment of the core network forwarding is sent Text；

Processing module, for the uplink IP packet to be converted to the corresponding downlink multicast message of the multicast ip address；

The sending module is also used to the downlink multicast message being sent to the equipment of the core network, so that the core The corresponding base station of mark that the downlink multicast message is sent to the multicast group by heart net equipment.

Optionally, the sending module, is specifically used for:

Downlink multicast message duplication is distributed to the equipment of the core network by mode of unicast；Or,

The downlink multicast message is distributed to the equipment of the core network by multicast mode.

9th aspect, the present invention provide a kind of controlling equipment, comprising:

Receiving module, for receiving the call request signaling message of caller dispatching desk transmission, the call request signaling disappears The mark of multicast group where breath carries the caller dispatching desk；

Sending module, for sending the feedback message that calling receives to the caller dispatching desk；

The sending module is also used to exhale to called dispatching desk transmission group and establishes signaling message；It exhales for described group and establishes signaling Message includes the corresponding multicast ip address of the mark and port number information；

The receiving module is also used to receive the uplink IP packet that the caller dispatching desk is sent；

The sending module is also used to the downlink multicast message being sent to the called dispatching desk.

Optionally, the sending module, is specifically used for:

Downlink multicast message duplication is distributed to the called dispatching desk by mode of unicast；Or,

The downlink multicast message is distributed to the called dispatching desk by multicast mode.

Tenth aspect, the present invention provide a kind of dispatching desk, comprising:

Sending module, for sending call request signaling message to controlling equipment, the call request signaling message is carried The mark of multicast group where the caller dispatching desk；

Receiving module, the feedback message received for receiving the calling that the controlling equipment is sent；

The sending module is also used to send uplink IP packet to the controlling equipment, so that the controlling equipment is by institute It states uplink IP packet and is converted to the corresponding downlink multicast message of the multicast ip address, and the downlink multicast message is sent to Called dispatching desk.

The implementation method and device of long term evolution LTE cluster multicast of the present invention receive exhaling for calling UE transmission by base station The mark of multicast group where making demand signalling message, the call request signaling message carry the calling UE；It the base station will The call request signaling message is sent to equipment of the core network, and receive the controlling equipment transmission of the equipment of the core network forwarding The feedback message received is called, and sends the feedback message to the calling UE；The base station receives the equipment of the core network The group that the controlling equipment of forwarding is sent, which is exhaled, establishes signaling message；Described group is exhaled that establish signaling message include that the mark corresponds to Multicast ip address and port number information；The base station, which exhales described group, to be established signaling message and is sent to called UE；Described group is exhaled It establishes signaling message and is used to indicate the called UE stopping triggering Internet Group Management Protocol IGMP addition process, creation multicast connects Receive process；The base station receives the uplink IP packet that the calling UE is sent, and the IP packet is sent to the core net and is set It is standby；The base station receives the downlink multicast message that the equipment of the core network is sent, and downlink multicast message duplication is distributed to The corresponding baseband board of multiple cells in group where the called UE, and it is sent to the called UE, realize LTE cluster Multicast service.

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 is the flow chart of the implementation method embodiment one of long term evolution LTE cluster multicast of the present invention；

Fig. 2 is the signaling process figure one of embodiment of the present invention method；

Fig. 3 is the flow chart of the implementation method embodiment two of long term evolution LTE cluster multicast of the present invention；

Fig. 4 is the flow chart of the implementation method embodiment three of long term evolution LTE cluster multicast of the present invention；

Fig. 5 is the flow chart of the implementation method example IV of long term evolution LTE cluster multicast of the present invention；

Fig. 6 is the signaling process figure two of embodiment of the present invention method；

Fig. 7 is the flow chart of the implementation method embodiment five of long term evolution LTE cluster multicast of the present invention；

Fig. 8 is corresponding UDP unicast user of embodiment of the present invention face protocol stack；

Fig. 9 is corresponding TCP unicast user of embodiment of the present invention face protocol stack；

Figure 10 is the corresponding group user face protocol stack one of the embodiment of the present invention；

Figure 11 is the corresponding group user face protocol stack two of the embodiment of the present invention；

Figure 12 is the corresponding group user face protocol stack three of the embodiment of the present invention；

Figure 13 is the corresponding group user face protocol stack four of the embodiment of the present invention；

Figure 14 is the signaling process figure three of embodiment of the present invention method；

Figure 15 is the signaling process figure four of embodiment of the present invention method；

Figure 16 is the structural schematic diagram of base station embodiment of the present invention；

Figure 17 is the structural schematic diagram of equipment of the core network embodiment of the present invention；

Figure 18 is the structural schematic diagram of controlling equipment embodiment of the present invention；

Figure 19 is the structural schematic diagram of dispatching desk embodiment of the present invention.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

Fig. 1 is the flow chart of the implementation method embodiment one of long term evolution LTE cluster multicast of the present invention.Fig. 2 is the present invention The signaling process figure one of embodiment of the method.As shown in Figure 1, the method for the present embodiment may include:

Step 101, base station receive the call request signaling message that calling subscriber equipment UE is sent, the call request signaling The mark of multicast group where message carries the calling UE；

The call request signaling message is sent to equipment of the core network by step 102, the base station, and receives the core The feedback message that the calling that the controlling equipment of net device forwards is sent receives, and the feedback message is sent to the calling UE；

The group that the controlling equipment that step 103, the base station receive the equipment of the core network forwarding is sent exhales foundation to believe Enable message；Described group is exhaled that establish signaling message include the corresponding multicast ip address of the mark and port number information；

Step 104, the base station, which exhale described group, to be established signaling message and is sent to called UE；It exhales for described group and establishes signaling and disappear Breath is used to indicate the called UE and stops triggering Internet Group Management Protocol IGMP addition process, creates multicast reception process；

Step 105, the base station receive the uplink IP packet that the calling UE is sent, and the IP packet are sent to described Equipment of the core network；

Step 106, the base station receive the downlink multicast message that the equipment of the core network is sent, by the downlink multicast report Text replicates the corresponding baseband board of multiple cells in the group where being distributed to the called UE, and is sent to the called UE.

Specifically, as shown in Fig. 2, calling UE initiates call request to base station, that is, call request signaling message, institute are sent State the mark of multicast group where call request signaling message carries the calling UE；The base station disappears the call request signaling Breath is sent to equipment of the core network, and the feedback received that calls that the controlling equipment for receiving the equipment of the core network forwarding is sent disappears Breath, and the feedback message is sent to the caller device；Controlling equipment exhales to equipment of the core network transmission group and establishes signaling message, Equipment of the core network can be after to the Message Processing, then forwards the message to base station, core net and controlling equipment and transmission device There may be the corresponding IGMP processes of group.Base station can group is exhaled establish signaling message processing after, then group exhale foundation believe Enabling message be transmitted to multiple called UEs in group, base station and core net and transmission device, there may be the corresponding IGMP of group to flow Journey.Called UE does not need triggering IGMP and process is added.It is the controlling equipment that system is dispatched in Fig. 2.

Called UE does not trigger IGMP and process is added, and reduces IGMP interaction, a large number of users is initiated when multicast group being avoided to establish Random access enters connected state, shortens group's link setup process.The called UE can pass through the access control of network filter List filters out IGMP protocol massages, so that the called subscriber equipment UE stops triggering Internet Group Management Protocol IGMP and adds Enter process.Specifically, for deploying the user equipment (UE) of IP protocol stack, UE, which can create socket SOCKET and receive, to be corresponded to Multicast IP messages, by the accesses control list (Access control list) of network filter (IPTABLES) IP The IGMP protocol massages that protocol stack itself generates filter out, and such UE would not give LTE when creating IP multicast reception SOCKET It eats dishes without rice or wine to send the protocol massages such as IGMP addition, therefore UE will not trigger IGMP and process is added.

The controlling equipment can share a group to the independent multicast ip address of each Multicast Group Assignment or multiple multicast groups It broadcasts IP address but has independent port numbers.

Calling UE sends uplink IP packet to base station, and base station relays to controlling equipment being transmitted to core net, core net. The corresponding downlink multicast message of the mark that uplink IP packet is converted to the multicast group by controlling equipment.Controlling equipment passes through duplication Or downlink multicast message is transmitted to core net by multicast mode.Downlink multicast message is passed through duplication or multicast mode again by core net It is transmitted to the corresponding base station of mark of the multicast group.It is corresponding small that downlink multicast message is copied to the multicast group by base station Area, and it is sent to called UE.

The present embodiment receives the call request signaling message that calling UE is sent by base station, and the call request signaling disappears The mark of multicast group where breath carries the calling UE；The call request signaling message is sent to core net and set by the base station It is standby, and the feedback message that the calling that sends of the controlling equipment for receiving equipment of the core network forwarding receives, and to the calling UE Send the feedback message；The group that the controlling equipment that the base station receives the equipment of the core network forwarding is sent exhales foundation to believe Enable message；Described group is exhaled that establish signaling message include the corresponding multicast ip address of the mark and port number information；The base station Described group is exhaled and establishes signaling message and is sent to called UE；It exhales to establish signaling message and be used to indicate the called UE for described group and stop It triggers Internet Group Management Protocol IGMP and process is added, create multicast reception process；The base station receives the calling UE and sends Uplink IP packet, the IP packet is sent to the equipment of the core network；The base station receives the equipment of the core network and sends Downlink multicast message, the multiple cells pair downlink multicast message duplication being distributed in the group where the called UE The baseband board answered, and it is sent to the called UE, realize LTE cluster multicast business.

Optionally, on the basis of the above embodiments, in the present embodiment, the base station receives the upper of the calling UE transmission Row IP packet, comprising:

Specifically, calling UE directly transmits multicast IP messages, can mitigate user's surface treatment pressure of base station, accelerates end To the processing time in end subscriber face.

Controlling equipment contains open an account information and multicast group information etc. of calling UE or called UE, can opening an account according to UE Information and multicast group information notice calling UE or called UE correspond to the multicast ip address and port number information of multicast group.

The base station receives the unicast IP packet that the calling UE is sent；

Specifically, calling UE sends user face message, that is, unicast IP packet, and the source IP address of the unicast IP packet is The IP address of calling UE, destination address are the IP address of the base station；Equipment of the core network can be in advance by the IP address of the base station It is sent to the calling UE；When controlling equipment receives unicast IP packet, to the IP and User Datagram Protocol (User of message Datagram Protocol, abbreviation UDP) layer handled, and purpose IP address is converted to multicast ip address, port numbers are turned The corresponding port numbers of multicast group are changed, i.e., convert multicast IP messages for unicast IP packet, do not modify the payload of message, and will The multicast IP messages duplication is distributed to equipment of the core network, is distributed to base station by equipment of the core network, is replicated and distributed by the base station To the corresponding baseband board of multiple cells of multicast group；The multicast IP messages of multicast group is eated dishes without rice or wine to be sent to by LTE multiple in base station Called UE；Called UE receives multicast IP messages.

Calling UE sends unicast IP packet, can mitigate user's surface treatment pressure of calling terminal, without allowing caller Terminal is directly encapsulated as multicast IP messages.

Specifically, for there are the base station of multiple baseband boards or multiple cells, field programmable gate can be passed through Array (Field-Programmable GateArray, abbreviation FPGA) or software or Digital Signal Processing (Digital Signal Processing, abbreviation DSP) etc. modes carry out unicast duplication, without passing through the IGMP multicast between plate or in plate Mode carries out the forwarding of message.

Fig. 3 is the flow chart of the implementation method embodiment two of long term evolution LTE cluster multicast of the present invention.As shown in figure 3, this The method of embodiment may include:

Step 301, equipment of the core network receive the call request signaling message that base station is sent, the call request signaling message The mark of multicast group where carrying calling subscriber equipment UE；

The call request signaling message is sent to controlling equipment by step 302, the equipment of the core network, and described in reception The feedback message that the calling that controlling equipment is sent receives, and the feedback message is sent to the base station；

The group that step 303, the equipment of the core network receive the controlling equipment transmission, which is exhaled, establishes signaling message；Described group is exhaled Establishing signaling message includes the corresponding multicast ip address of the mark and port number information；

Step 304, the equipment of the core network, which exhale described group, to be established signaling message and is sent to the base station, so that the base Station is sent to called UE；It exhales to establish signaling message and be used to indicate the called UE for described group and stops triggering Internet Group Management Protocol Process is added in IGMP, creates multicast reception process；

Step 305, the equipment of the core network receive the uplink IP packet that the calling UE of the base station forwarding is sent；

The uplink IP packet is sent to the controlling equipment by step 306, the equipment of the core network, so that the scheduling The uplink IP packet is converted to the corresponding downlink multicast message of the multicast ip address by equipment；

Step 307, the equipment of the core network receive the downlink multicast message that the controlling equipment is sent, and will be described Downlink multicast message is sent to the corresponding base station of mark of the multicast group.

Specifically, as shown in Figure 2 and Figure 3, calling UE initiates call request to base station, i.e. transmission call request signaling disappears Breath, the mark of multicast group where the call request signaling message carries the calling UE；The base station is by the call request Signaling message is sent to equipment of the core network, and equipment of the core network receives the call request signaling message, and by the call request Signaling message is sent to controlling equipment, and receives the feedback message that the calling that the controlling equipment is sent receives, and will be described anti- Feedback message is sent to the base station；The base station receives the feedback message, and sends the feedback to the caller device and disappear Breath；Controlling equipment exhales to equipment of the core network transmission group and establishes signaling message, equipment of the core network can after to the Message Processing, then Forwarding the message to base station, core net and controlling equipment and transmission device, there may be the corresponding IGMP processes of group.It base station can Then group is exhaled and establishes multiple called UEs that signaling message is transmitted in group after exhaling group and establishing signaling message processing, base Stand and core net and transmission device there may be the corresponding IGMP processes of group.Called UE does not need triggering IGMP and process is added.

Called UE does not trigger IGMP and process is added, and reduces IGMP interaction, a large number of users is initiated when multicast group being avoided to establish Random access enters connected state, shortens group's link setup process.

Calling UE sends uplink IP packet to base station, and base station relays to controlling equipment being transmitted to core net, core net. Uplink IP packet is converted to the corresponding downlink multicast message of group by controlling equipment.Controlling equipment passes through duplication or multicast mode handle Downlink multicast message is transmitted to core net.Downlink multicast message is relayed to described group by duplication or multicast mode by core net Broadcast the corresponding base station of mark of group.Downlink multicast message is copied to the corresponding cell of the multicast group by base station, and be sent to by It is UE.

Specifically, equipment of the core network can pass through field programmable gate array (Field-Programmable GateArray, abbreviation FPGA) or software or Digital Signal Processing (Digital Signal Processing, abbreviation DSP) etc. Mode carries out unicast duplication (i.e. the mode of unicast duplication), and the forwarding of message can also be carried out by IGMP multicast mode, is solved The problem of each user equipment requires cast link in group, saves the transmission bandwidth of equipment of the core network and base station.

The present embodiment, similar with technical effect with the realization principle of embodiment illustrated in fig. 1, details are not described herein again.

Fig. 4 is the flow chart of the implementation method embodiment three of long term evolution LTE cluster multicast of the present invention, as shown in figure 4, this The method of embodiment may include:

Step 401, controlling equipment receive the call request signaling message of equipment of the core network forwarding, the call request signaling The mark of multicast group where message carries calling subscriber equipment UE；

Step 402, the controlling equipment send the feedback message that calling receives to the equipment of the core network, so that the core The feedback message is sent to base station by heart net equipment；

Step 403, the controlling equipment are exhaled to the equipment of the core network transmission group establishes signaling message, so that the core Net equipment, which exhales described group, to be established signaling message and is sent to base station；Described group exhale establish signaling message include it is described mark it is corresponding Multicast ip address and port number information；

Step 404, the controlling equipment receive the uplink IP report that the calling UE of the equipment of the core network forwarding is sent Text；

The uplink IP packet is converted to the corresponding downlink group of the multicast ip address by step 405, the controlling equipment Casting text, and is sent to the equipment of the core network for the downlink multicast message, so that the equipment of the core network is by the downlink Multicast message is sent to the corresponding base station of mark of the multicast group.

Specifically, the controlling equipment can distribute message with unicast copy mode, can also be distributed with multicast mode, Solve the problems, such as that each user equipment requires cast link in group, saves the transmission of controlling equipment and equipment of the core network Bandwidth.

Optionally, when uplink IP packet is unicast message, controlling equipment directly can also directly be sent out the unicast message The equipment of the core network is given, so that the mark that the unicast message is sent to the multicast group by the equipment of the core network is corresponding Base station.

Fig. 5 is the flow chart of the implementation method example IV of long term evolution LTE cluster multicast of the present invention, and Fig. 6 is the present invention The signaling process figure two of embodiment of the method.As shown in figure 5, the method for the present embodiment may include:

Step 501, controlling equipment receive the call request signaling message that caller dispatching desk is sent, the call request signaling The mark of multicast group where message carries the caller dispatching desk；

Step 502, the controlling equipment send the feedback message that calling receives to the caller dispatching desk；

Step 503, the controlling equipment are exhaled to called dispatching desk transmission group establishes signaling message；It exhales for described group and establishes signaling Message includes the corresponding multicast ip address of the mark and port number information；

Step 504, the controlling equipment receive the uplink IP packet that the caller dispatching desk is sent；

The uplink IP packet is converted to the corresponding downlink group of the multicast ip address by step 505, the controlling equipment Casting text, and the downlink multicast message is sent to the called dispatching desk.

Specifically, as shown in Figure 5, Figure 6, caller dispatching desk initiates call request to controlling equipment, that is, sends calling and ask The mark of multicast group where asking signaling message, the call request signaling message to carry the caller dispatching desk；The scheduling is set It is standby that the feedback message that calling receives is sent to the caller dispatching desk；Controlling equipment gives called dispatching desk transmission group to exhale and establishes signaling Message, being called dispatching desk and controlling equipment and transmission device, there may be the corresponding IGMP processes of group.System is dispatched in Fig. 6 is The controlling equipment.

Caller dispatching desk sends uplink IP packet to controlling equipment.Uplink IP packet is converted to group and corresponded to by controlling equipment Downlink multicast message.Downlink multicast message is transmitted to called dispatching desk by duplication or multicast mode by controlling equipment.

Specifically, controlling equipment can distribute message in such a way that unicast replicates, can also be with IGMP multicast mode point It transmits messages text, solves the problems, such as that each dispatching desk requires cast link in group, saves the biography of controlling equipment and dispatching desk Defeated bandwidth.

Fig. 7 is the flow chart of the implementation method embodiment five of long term evolution LTE cluster multicast of the present invention, as shown in fig. 7, this The method of embodiment may include:

Step 701, caller dispatching desk send call request signaling message, the call request signaling message to controlling equipment The mark of multicast group where carrying the caller dispatching desk；

Step 702, the caller dispatching desk receive the feedback message that the calling that the controlling equipment is sent receives；

The group that step 703, the caller dispatching desk receive the controlling equipment transmission, which is exhaled, establishes signaling message；Described group is exhaled Establishing signaling message includes the corresponding multicast ip address of the mark and port number information；

Step 704, the caller dispatching desk send uplink IP packet to the controlling equipment, so that the controlling equipment will The uplink IP packet is converted to the corresponding downlink multicast message of the multicast ip address, and the downlink multicast message is sent To called dispatching desk.

Fig. 8 is corresponding UDP unicast user of embodiment of the present invention face protocol stack.Fig. 9 is the corresponding TCP of the embodiment of the present invention Unicast user face protocol stack.Figure 10 is the corresponding group user face protocol stack one of the embodiment of the present invention.Figure 11 is that the present invention is implemented Example corresponding group user face protocol stack two.Figure 12 is the corresponding group user face protocol stack three of the embodiment of the present invention.Figure 13 is The corresponding group user face protocol stack four of the embodiment of the present invention.Figure 14 is the signaling process figure three of embodiment of the present invention method.Figure 15 be the signaling process figure four of embodiment of the present invention method.

As shown in Figure 8, Figure 9, what calling UE was sent is unicast message, is still unicast message when being forwarded to called, in figure Message can be sent from left to right, can also be turned left from the right side and be sent message；Dispatching desk in figure is also possible to UE, at this time UE and tune Base station and equipment of the core network is omitted between degree equipment.

It as shown in Figure 10, Figure 12, turns left from the right side and sends message, at this time message unicast message, group is converted by controlling equipment Unique difference of casting text, Figure 10 and Figure 12 are the link support unicasts in Figure 10 between base station and equipment of the core network, and Figure 12 Link between middle base station and equipment of the core network supports multicast；Dispatching desk in figure is also possible to UE, at this time UE and controlling equipment Between base station and equipment of the core network is omitted.

As shown in Figure 11, Figure 13, turns left from the right side and send message, at this time message multicast message, unique area of Figure 11 and Figure 13 It is not the link support unicast in Figure 11 between base station and equipment of the core network, and the chain in Figure 13 between base station and equipment of the core network Support multicast in road；Dispatching desk in figure is also possible to UE, and base station and equipment of the core network is omitted between UE and controlling equipment at this time.

As shown in figure 14, calling UE initiates call request to base station, i.e. transmission call request signaling message, the calling is asked The mark of multicast group where asking signaling message to carry the calling UE；The call request signaling message is sent to by the base station Equipment of the core network, equipment of the core network receives the call request signaling message, and the call request signaling message is sent to Controlling equipment, and the feedback message that the calling that the controlling equipment is sent receives is received, and the feedback message is sent to institute State base station；The base station receives the feedback message, and sends the feedback message to the caller device；Controlling equipment is to quilt It makes dispatching desk transmission group exhale and establishes signaling message, be called dispatching desk and controlling equipment and transmission device there may be groups and is corresponding There may be the corresponding IGMP process of group, controlling equipment and cores for IGMP process, base station and equipment of the core network and transmission device There may be the corresponding IGMP multicast processes of group for net equipment and transmission device.

Calling UE sends uplink IP packet to base station, and base station relays to controlling equipment being transmitted to core net, core net. Uplink IP packet is converted to the corresponding downlink multicast message of group by controlling equipment.Controlling equipment passes through duplication or multicast mode handle Downlink multicast message is transmitted to called dispatching desk.

As shown in figure 15, caller dispatching desk initiates call request to controlling equipment, i.e. transmission call request signaling message, institute State the mark of multicast group where call request signaling message carries the caller dispatching desk；The controlling equipment is to the caller tune It spends platform and sends the feedback message that calling receives；Controlling equipment exhales to equipment of the core network transmission group and establishes signaling message, and core net is set It is standby can be after to the Message Processing, then forward the message to base station, core net and controlling equipment and transmission device there may be The corresponding IGMP process of group.Base station can be after exhaling group and establishing signaling message processing, then group exhaled and establishes signaling message and turns Issuing multiple called UEs in group, base station and core net and transmission device, there may be the corresponding IGMP processes of group.It is called UE does not need triggering IGMP and process is added.

Caller dispatching desk sends uplink IP packet to controlling equipment.Uplink IP packet is converted to group and corresponded to by controlling equipment Downlink multicast message.Downlink multicast message is transmitted to core net by duplication or multicast mode by controlling equipment.Core net handle Downlink multicast message relays to the corresponding base station of mark of the multicast group by duplication or multicast mode.Base station is downlink group Casting text copies to the corresponding cell of the multicast group, and is sent to called UE.It is the scheduling that system is dispatched in Figure 14, Figure 15 Equipment.

Figure 16 is the structural schematic diagram of base station embodiment of the present invention, and as shown in figure 16, the base station of the present embodiment may include: Receiving module 1601, sending module 1602 and processing module 1603, wherein receiving module 1601 is set for receiving calling subscriber The call request signaling message that standby UE is sent, the mark of multicast group where the call request signaling message carries the calling UE Know；

Sending module 1602, for the call request signaling message to be sent to equipment of the core network；

The receiving module 1601 is also used to receive the calling receiving that the controlling equipment of the equipment of the core network forwarding is sent Feedback message；

The sending module 1602 is also used to send the feedback message to the calling UE；

The receiving module 1601, the group for being also used to receive the controlling equipment transmission of the equipment of the core network forwarding are exhaled Establish signaling message；Described group is exhaled that establish signaling message include the corresponding multicast ip address of the mark and port number information；

The sending module 1602 is also used to exhale described group and establishes signaling message and be sent to called UE；It exhales for described group and builds Vertical signaling message is used to indicate the called UE and stops triggering Internet Group Management Protocol IGMP addition process, creates multicast reception Process；

The receiving module 1601 is also used to receive the uplink IP packet that the calling UE is sent, the IP packet is sent out Give the equipment of the core network；

The receiving module 1601 is also used to receive the downlink multicast message that the equipment of the core network is sent；

Processing module 1603, for replicating the downlink multicast message in the group where being distributed to the called UE The corresponding baseband board of multiple cells, and it is sent to the called UE.

Optionally, the receiving module 1601, is specifically used for: receiving the uplink multicast IP packet that the calling UE is sent； The destination address of the uplink multicast IP packet is the multicast ip address.

Optionally, the receiving module 1601, is specifically used for: receiving the unicast IP packet that the calling UE is sent；

Optionally, the processing module 1603, is specifically used for:

The base station of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 1, realization principle and skill Art effect is similar, and details are not described herein again.

Figure 17 is the structural schematic diagram of equipment of the core network embodiment of the present invention, as shown in figure 17, the core net of the present embodiment Equipment may include: receiving module 1701 and sending module 1702, wherein receiving module 1701, for receiving base station transmission Call request signaling message, the mark of multicast group where the call request signaling message carries calling subscriber equipment UE；

Sending module 1702, for the call request signaling message to be sent to controlling equipment；

The receiving module 1701 is also used to receive the feedback message that the calling that the controlling equipment is sent receives；

The sending module 1702 is also used to and the feedback message is sent to the base station；

The receiving module 1701, the group for being also used to receive the controlling equipment transmission, which is exhaled, establishes signaling message；Described group Exhaling and establishing signaling message includes the corresponding multicast ip address of the mark and port number information；

The sending module 1702 is also used to exhale described group and establishes signaling message and be sent to the base station, so that described Base station is sent to called UE；It exhales to establish signaling message and be used to indicate the called UE for described group and stops triggering internet group management association It discusses IGMP and process is added, create multicast reception process；

The receiving module 1701 is also used to receive the uplink IP packet that the calling UE of the base station forwarding is sent；

The sending module 1702 is also used to the uplink IP packet being sent to the controlling equipment, so that the tune It spends equipment and the uplink IP packet is converted into the corresponding downlink multicast message of the multicast ip address；

The receiving module 1701 is also used to receive the downlink multicast message that the controlling equipment is sent；

The sending module 1702, the mark for being also used to the downlink multicast message being sent to the multicast group are corresponding Base station.

Optionally, the sending module 1702, is specifically used for: being divided downlink multicast message duplication by mode of unicast It is dealt into the corresponding base station of the mark；Or,

The equipment of the core network of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 3, realize former Reason is similar with technical effect, and details are not described herein again.

Figure 18 is the structural schematic diagram of controlling equipment embodiment of the present invention, as shown in figure 18, the controlling equipment of the present embodiment, It may include: receiving module 1801, sending module 1802 and processing module 1803, wherein receiving module 1801, for receiving core The call request signaling message of heart net device forwards, the call request signaling message carry multicast where calling subscriber equipment UE The mark of group；

Sending module 1802, for sending the feedback message that calling receives to the equipment of the core network, so that the core The feedback message is sent to base station by net equipment；

The sending module 1802 is also used to exhale to the equipment of the core network transmission group and establishes signaling message, so that described Equipment of the core network, which exhales described group, to be established signaling message and is sent to base station；Described group exhale establish signaling message include it is described mark pair The multicast ip address and port number information answered；

The receiving module 1801 is also used to receive the uplink IP that the calling UE of the equipment of the core network forwarding is sent Message；

Processing module 1803, for the uplink IP packet to be converted to the corresponding downlink multicast report of the multicast ip address Text；

The sending module 1802 is also used to the downlink multicast message being sent to the equipment of the core network, so that institute State the corresponding base station of mark that the downlink multicast message is sent to the multicast group by equipment of the core network.

Optionally, the sending module 1802, is specifically used for:

The controlling equipment of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 4, realization principle Similar with technical effect, details are not described herein again.

In controlling equipment embodiment two of the present invention, the structure of controlling equipment as shown in figure 18, this implementation can be used In the controlling equipment of example, receiving module, for receiving the call request signaling message of caller dispatching desk transmission, the call request The mark of multicast group where signaling message carries the caller dispatching desk；

Optionally, the sending module, is specifically used for:

The controlling equipment of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 5, realization principle Similar with technical effect, details are not described herein again.

Figure 19 is the structural schematic diagram of dispatching desk embodiment of the present invention, and as shown in figure 19, the controlling equipment of the present embodiment can To include: sending module 1901 and receiving module 1902, wherein sending module 1901 is asked for sending calling to controlling equipment The mark of multicast group where asking signaling message, the call request signaling message to carry the caller dispatching desk；

Receiving module 1902, the feedback message received for receiving the calling that the controlling equipment is sent；

The receiving module 1902, the group for being also used to receive the controlling equipment transmission, which is exhaled, establishes signaling message；Described group Exhaling and establishing signaling message includes the corresponding multicast ip address of the mark and port number information；

The sending module 1901 is also used to send uplink IP packet to the controlling equipment, so that the controlling equipment The uplink IP packet is converted into the corresponding downlink multicast message of the multicast ip address, and the downlink multicast message is sent out Give called dispatching desk.

The dispatching desk of the present embodiment, can be used for executing the technical solution of embodiment of the method shown in Fig. 7, realization principle and Technical effect is similar, and details are not described herein again.

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

1. a kind of implementation method of long term evolution LTE cluster multicast characterized by comprising

Base station receives the call request signaling message that calling subscriber equipment UE is sent, described in the call request signaling message carries The mark of multicast group where calling UE；

The call request signaling message is sent to equipment of the core network by the base station, and receives the equipment of the core network forwarding The feedback message that the calling that controlling equipment is sent receives, and the feedback message is sent to the calling UE；

The group that the controlling equipment that the base station receives the equipment of the core network forwarding is sent, which is exhaled, establishes signaling message；Described group Exhaling and establishing signaling message includes the corresponding multicast ip address of the mark and port number information；

The base station, which exhales described group, to be established signaling message and is sent to called UE；It exhales for described group and establishes signaling message and be used to indicate institute It states called UE and stops triggering Internet Group Management Protocol IGMP addition process, create multicast reception process；The called UE passes through The accesses control list of network filter filters out IGMP protocol massages so that the called subscriber equipment UE stop triggering because Process is added in special net igmpinternet IGMP；

The base station receives the uplink IP packet that the calling UE is sent, and the IP packet is sent to the equipment of the core network；

The base station receives the downlink multicast message that the equipment of the core network is sent, and downlink multicast message duplication is distributed to The corresponding baseband board of multiple cells in group where the called UE, and it is sent to the called UE；The controlling equipment The corresponding downlink multicast message of the mark that the uplink IP packet is converted to the multicast group.

2. the method according to claim 1, wherein the base station receives the uplink IP report that the calling UE is sent Text, comprising:

The base station receives the uplink multicast IP packet that the calling UE is sent；The destination address of the uplink multicast IP packet is The multicast ip address.

3. the method according to claim 1, wherein the base station receives the uplink IP report that the calling UE is sent Text, comprising:

The base station receives the unicast IP packet that the calling UE is sent；

The base station receives the downlink multicast message that the controlling equipment of the equipment of the core network forwarding is sent, under described Row multicast message is to be converted the uplink IP packet by the controlling equipment.

4. method according to claim 1-3, which is characterized in that described by downlink multicast message duplication point The corresponding baseband board of multiple cells being dealt into the group where the called UE, comprising:

Downlink multicast message duplication is distributed to the corresponding baseband board of the multiple cell by mode of unicast by the base station.

5. a kind of implementation method of long term evolution LTE cluster multicast characterized by comprising

Equipment of the core network receives the call request signaling message that base station is sent, and the call request signaling message carries calling subscriber The mark of multicast group where equipment UE；

The call request signaling message is sent to controlling equipment by the equipment of the core network, and is received the controlling equipment and sent The feedback message that receives of calling, and the feedback message is sent to the base station；

The group that the equipment of the core network receives the controlling equipment transmission, which is exhaled, establishes signaling message；It exhales for described group and establishes signaling message Including the corresponding multicast ip address of the mark and port number information；

The equipment of the core network, which exhales described group, to be established signaling message and is sent to the base station so that the base station be sent to it is called UE；It exhales to establish signaling message and be used to indicate the called UE stopping triggering Internet Group Management Protocol IGMP and be added for described group and flow Journey creates multicast reception process；The called UE filters IGMP protocol massages by the accesses control list of network filter Fall, so that the called subscriber equipment UE stops triggering Internet Group Management Protocol IGMP and process is added；

The uplink IP packet is sent to the controlling equipment by the equipment of the core network so that the controlling equipment will be described on Row IP packet is converted to the corresponding downlink multicast message of the multicast ip address；

The equipment of the core network receives the downlink multicast message that the controlling equipment is sent, and by the downlink multicast message It is sent to the corresponding base station of mark of the multicast group.

6. according to the method described in claim 5, it is characterized in that, described be sent to the multicast for the downlink multicast message The corresponding base station of mark of group, comprising:

The equipment of the core network by unicast mode of unicast by the downlink multicast message duplication be distributed to it is described mark it is corresponding Base station；Or,

7. a kind of implementation method of long term evolution LTE cluster multicast characterized by comprising

Controlling equipment receives the call request signaling message of equipment of the core network forwarding, and the call request signaling message carries caller The mark of multicast group where user equipment (UE)；

The controlling equipment sends the feedback message that calling receives to the equipment of the core network, so that the equipment of the core network is by institute It states feedback message and is sent to base station；

The controlling equipment exhales to the equipment of the core network transmission group and establishes signaling message, so that the equipment of the core network will be described Group, which is exhaled, to be established signaling message and is sent to base station；Described group exhale establish signaling message include the corresponding multicast ip address of the mark with Port number information；Described group exhale establish signaling message be used to indicate called UE stop triggering Internet Group Management Protocol IGMP be added Process creates multicast reception process；The called UE is by the accesses control list of network filter IGMP protocol massages mistake It filters, so that the called subscriber equipment UE stops triggering Internet Group Management Protocol IGMP and process is added；

The uplink IP packet is converted to the corresponding downlink multicast message of the multicast ip address by the controlling equipment, and by institute It states downlink multicast message and is sent to the equipment of the core network, so that the downlink multicast message is sent to by the equipment of the core network The corresponding base station of the mark of the multicast group.

8. the method according to the description of claim 7 is characterized in that described be sent to the core for the downlink multicast message Net, comprising:

Downlink multicast message duplication is distributed to the equipment of the core network by mode of unicast by the controlling equipment；Or,

9. a kind of implementation method of long term evolution LTE cluster multicast characterized by comprising

Controlling equipment receives the call request signaling message that caller dispatching desk is sent, described in the call request signaling message carries The mark of multicast group where caller dispatching desk；

The controlling equipment exhales to called dispatching desk transmission group and establishes signaling message；It exhales for described group and establishes signaling message including described Identify corresponding multicast ip address and port number information；Described group exhale establish signaling message be used to indicate called UE stop triggering because Process is added in special net igmpinternet IGMP, creates multicast reception process；The called UE passes through the access control of network filter List processed filters out IGMP protocol massages, so that the called subscriber equipment UE stops triggering Internet Group Management Protocol IGMP Process is added；

The uplink IP packet is converted to the corresponding downlink multicast message of the multicast ip address by the controlling equipment, and by institute It states downlink multicast message and is sent to the called dispatching desk.

10. according to the method described in claim 9, it is characterized in that, described be sent to the quilt for the downlink multicast message It is dispatching desk, comprising:

Downlink multicast message duplication is distributed to the called dispatching desk by mode of unicast by the controlling equipment；Or,

11. a kind of implementation method of long term evolution LTE cluster multicast characterized by comprising

Caller dispatching desk sends call request signaling message to controlling equipment, and the call request signaling message carries the caller The mark of multicast group where dispatching desk；

The group that the caller dispatching desk receives the controlling equipment transmission, which is exhaled, establishes signaling message；It exhales for described group and establishes signaling message Including the corresponding multicast ip address of the mark and port number information；It exhales to establish signaling message and be used to indicate called UE for described group and stop Only process is added in triggering Internet Group Management Protocol IGMP, creates multicast reception process；The called UE passes through network filter Accesses control list IGMP protocol massages are filtered out so that the called subscriber equipment UE stop triggering internet group management Process is added in agreement IGMP；

The caller dispatching desk sends uplink IP packet to the controlling equipment, so that the controlling equipment reports the uplink IP Text is converted to the corresponding downlink multicast message of the multicast ip address, and the downlink multicast message is sent to called scheduling Platform.

12. a kind of base station characterized by comprising

Receiving module, for receiving the call request signaling message of calling subscriber equipment UE transmission, the call request signaling disappears The mark of multicast group where breath carries the calling UE；

The receiving module, the feedback for being also used to receive the calling receiving of the controlling equipment transmission of the equipment of the core network forwarding disappear Breath；

The receiving module, the group for being also used to receive the controlling equipment transmission of the equipment of the core network forwarding, which is exhaled, establishes signaling Message；Described group is exhaled that establish signaling message include the corresponding multicast ip address of the mark and port number information；

The sending module is also used to exhale described group and establishes signaling message and be sent to called UE；It exhales for described group and establishes signaling and disappear Breath is used to indicate the called UE and stops triggering Internet Group Management Protocol IGMP addition process, creates multicast reception process；Institute It states called UE to filter out IGMP protocol massages by the accesses control list of network filter, so that the called subscriber equipment UE stops triggering Internet Group Management Protocol IGMP and process is added；

The receiving module is also used to receive the uplink IP packet that the calling UE is sent, and the IP packet is sent to described Equipment of the core network；

Processing module, for the downlink multicast message to be replicated to multiple cells in the group where being distributed to the called UE Corresponding baseband board, and it is sent to the called UE；The uplink IP packet is converted to the multicast group by the controlling equipment The corresponding downlink multicast message of mark.

13. base station according to claim 12, which is characterized in that the receiving module is specifically used for: receiving the caller The uplink multicast IP packet that UE is sent；The destination address of the uplink multicast IP packet is the multicast ip address.

14. base station according to claim 12, which is characterized in that the receiving module is specifically used for: receiving the caller The unicast IP packet that UE is sent；

Correspondingly, the receiving module, also particularly useful for: the scheduling that the base station receives the equipment of the core network forwarding is set The downlink multicast message that preparation is sent, the downlink multicast message are to be converted the uplink IP packet by the controlling equipment And come.

15. the described in any item base stations 2-14 according to claim 1, which is characterized in that the processing module is specifically used for:

16. a kind of equipment of the core network characterized by comprising

Receiving module, for receiving the call request signaling message of base station transmission, the call request signaling message carries caller The mark of multicast group where user equipment (UE)；

The receiving module, the group for being also used to receive the controlling equipment transmission, which is exhaled, establishes signaling message；Described group is exhaled foundation to believe Enabling message includes the corresponding multicast ip address of the mark and port number information；

The sending module is also used to exhale described group and establishes signaling message and be sent to the base station, so that the base station is sent To called UE；It exhales to establish signaling message and be used to indicate the called UE and stop triggering Internet Group Management Protocol IGMP for described group and add Enter process, creates multicast reception process；The called UE is by the accesses control list of network filter IGMP protocol massages It filters out, so that the called subscriber equipment UE stops triggering Internet Group Management Protocol IGMP and process is added；

The sending module is also used to the uplink IP packet being sent to the controlling equipment, so that the controlling equipment will The uplink IP packet is converted to the corresponding downlink multicast message of the multicast ip address；

The sending module, the corresponding base station of mark for being also used to the downlink multicast message being sent to the multicast group.

17. equipment of the core network according to claim 16, which is characterized in that the sending module is specifically used for: passing through list Downlink multicast message duplication is distributed to the corresponding base station of the mark by broadcast mode；Or,

18. a kind of controlling equipment characterized by comprising

Receiving module, for receiving the call request signaling message of equipment of the core network forwarding, the call request signaling message is taken Mark with multicast group where calling subscriber equipment UE；

Sending module, for sending the feedback message that calling receives to the equipment of the core network, so that the equipment of the core network will The feedback message is sent to base station；

The sending module is also used to exhale to the equipment of the core network transmission group and establishes signaling message, so that the core net is set Standby exhale described group establishes signaling message and is sent to base station；Described group is exhaled that establish signaling message include the corresponding multicast of the mark IP address and port number information；Described group exhale establish signaling message be used to indicate called UE stop triggering Internet Group Management Protocol Process is added in IGMP, creates multicast reception process；The called UE assists IGMP by the accesses control list of network filter View packet filtering is fallen, so that the called subscriber equipment UE stops triggering Internet Group Management Protocol IGMP and process is added；

The receiving module is also used to receive the uplink IP packet that the calling UE of the equipment of the core network forwarding is sent；

The sending module is also used to the downlink multicast message being sent to the equipment of the core network, so that the core net The corresponding base station of mark that the downlink multicast message is sent to the multicast group by equipment.

19. controlling equipment according to claim 18, which is characterized in that the sending module is specifically used for:

20. a kind of controlling equipment characterized by comprising

Receiving module, for receiving the call request signaling message of caller dispatching desk transmission, the call request signaling message is taken Mark with multicast group where the caller dispatching desk；

The sending module is also used to exhale to called dispatching desk transmission group and establishes signaling message；It exhales for described group and establishes signaling message Including the corresponding multicast ip address of the mark and port number information；It exhales to establish signaling message and be used to indicate called UE for described group and stop Only process is added in triggering Internet Group Management Protocol IGMP, creates multicast reception process；The called UE passes through network filter Accesses control list IGMP protocol massages are filtered out so that the called subscriber equipment UE stop triggering internet group management Process is added in agreement IGMP；

21. controlling equipment according to claim 20, which is characterized in that the sending module is specifically used for:

22. a kind of dispatching desk characterized by comprising

Sending module, for sending call request signaling message to controlling equipment, the call request signaling message carries caller The mark of multicast group where dispatching desk；

The receiving module, the group for being also used to receive the controlling equipment transmission, which is exhaled, establishes signaling message；Described group is exhaled foundation to believe Enabling message includes the corresponding multicast ip address of the mark and port number information；Described group exhale establish signaling message be used to indicate by It makes UE stop triggering Internet Group Management Protocol IGMP and process is added, create multicast reception process；The called UE passes through network The accesses control list of filter filters out IGMP protocol massages, so that the called subscriber equipment UE stops triggering internet Process is added in igmpinternet IGMP；

The sending module, be also used to the controlling equipment send uplink IP packet so that the controlling equipment will be described on Row IP packet is converted to the corresponding downlink multicast message of the multicast ip address, and the downlink multicast message is sent to called Dispatching desk.