CN102088662A - Method for realizing real-time transmission of multimedia service in broadband digital cluster group - Google Patents
Method for realizing real-time transmission of multimedia service in broadband digital cluster group Download PDFInfo
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Abstract
The invention discloses a method for realizing real-time transmission of a multimedia service in a broadband digital cluster group. The method comprises the following steps of: A, transmitting a cluster multimedia service request to a network subsystem by using a service transmitting user terminal, authenticating the service transmitting user terminal by using the network subsystem, establishing an S5/S8 bearer of a cluster default bearer in a group, and initiating the establishment of a bearer special for a cluster; B, establishing a cluster default bearer of the service transmitting user terminal and a bearer special for the cluster in an uplink; C, establishing a cluster default bearer of a service receiving user terminal and a bearer special for the cluster in a downlink; and D, after the establishment of the cluster bearer, sending a service authorization message to the service transmitting user terminal and transmitting service prompt information to the service receiving user terminal, by using the network subsystem. After the application of the embodiment of the invention, real-time transmission of a high speed multimedia service in the group can be realized.
Description
Technical field
The present invention relates to the trunking communicating technology field, more specifically, relate to a kind of method that realizes the professional real-time transmission of group inner multimedia in the wideband digital group system based on the time-division Long Term Evolution.
Background technology
Digital clustering communication system is meant that a plurality of users share one group of wireless channel, and dynamically uses the dedicated mobile communications subsystem of these channels, and it is a kind of commander, dispatching communication system.Compare with public mobile communication system, big characteristics of trunked communication system are: carry out half-duplex call by PTT push to talk (PTT, Push To Talk) switch, connecting time is short, the channel utilization height, and support the group call function.
Owing to possess characteristics such as distinctive commander, scheduling and short calling, trunked communication system in a government office, have a wide range of applications in public security, traffic, army and the enterprise that command scheduling is had relatively high expectations.The quickening of social informatization process and broadband wireless communication technique flourish makes the cluster industry user no longer be satisfied with single half-duplex voice call business, but need integrate the broadband multimedia services of voice, data, image and video.Existing trunked communication system comprises iDEN (based on TDMA), the European standard TETRA (based on TDMA) of MOTOROLA company, and domestic GOTA (based on CDMA) and GT800 (based on GSM) etc., owing to be subjected to restrictions such as bandwidth and message transmission rate, the business that provides only limits to the PTT calling of group and the low-speed data service of some complementarities, can not carry out the real-time transmission of high-speed multimedia business.
The advantage of new generation broadband wireless access technology time-division Long Term Evolution (TD-LTE) high bandwidth, low time delay can guarantee the high-speed transfer of multimedia service in group, solved for a long time and can only carry out the PTT audio call in the trunked communication system, can't carry out the professional problem that transmits in real time of high-speed multimedia.At present, the method that does not also have the real-time transmission of cluster group inner multimedia business in the TD-LTE system.
Summary of the invention
The embodiment of the invention proposes a kind of professional method that transmits in real time of wideband digital cluster group inner multimedia that realizes, can realize the real-time transmission of high-speed multimedia business in the group.
The technical scheme of the embodiment of the invention is as follows:
A kind of professional method that transmits in real time of wideband digital cluster group inner multimedia that realizes, this method comprises:
A, the professional user terminal that sends is to network subsystem signalling of bouquet multimedia service request message, request sends multimedia service to designated group, network subsystem is by cluster default bearer qos parameter, the professional S5/S8 carrying that sends the enhancing base station E-eNodeB and up link and down link are set up in the E-eNodeB tabulation in group the cluster default bearer at user terminal place, obtain cluster dedicated bearing qos parameter by predefined strategy of type of service request and charging control PCC rule, and in group, initiate the foundation of cluster dedicated bearing, while execution in step B and step C according to cluster dedicated bearing qos parameter;
B, in up link, digital clustering communication system is according to cluster default bearer qos parameter, cluster dedicated bearing qos parameter and the professional E-eNodeB that sends the user terminal place, set up professional radio bearer and the S1 carrying that sends the cluster default bearer of user terminal, and professional radio bearer, the S1 carrying and S5/S8 carrying that sends the cluster dedicated bearing of user terminal;
C, in down link, digital clustering communication system receives user terminal for the business that belongs to same sub-district in this group service session, tabulation according to E-eNodeB composition in user place in cluster default bearer qos parameter, cluster dedicated bearing qos parameter and the group, set up professional radio bearer and the S1 carrying that receives the cluster default bearer of user terminal, and professional radio bearer, the S1 carrying and S5/S8 carrying that receives the cluster dedicated bearing of user terminal;
In D, the up link, send user terminal and multi-medium data is sent to enhanced packet data network gateway eP-GW place in the network subsystem by cluster default bearer and cluster dedicated bearing, in the down link, multimedia data stream is sent to professional receive user terminal by cluster dedicated bearing and cluster default bearer with multimedia data stream by the eP-GW place.
In the described steps A, network subsystem further comprises after receiving described cluster multimedia service request message,
Network subsystem is to the described professional subscriber terminal authority that sends, and after described professional transmission subscriber terminal authority passed through, the S5/S8 that then sets up the cluster default bearer of described up link and down link carried; Otherwise, process ends.
Further comprise before the described steps A, the described professional user terminal that sends judges whether self is in and network connection state, if the professional user terminal that sends is determined self to be in and network connection state, then directly the enhancement mode mobile management entity eMME in network subsystem sends described cluster multimedia service request message; Otherwise the described professional user terminal that sends is initiated random access procedure and radio resource control RRC connection procedure, sends described cluster multimedia service request message to eMME then.
In the described steps A, the described S5/S8 that sets up the cluster default bearer of up link and down link carries, and initiates the foundation of described cluster dedicated bearing according to cluster dedicated bearing qos parameter in group, specifically comprises:
After eMME receives described cluster multimedia service request message, send professional E-eNodeB, E-eNodeB tabulation, type of service and the cluster default bearer qos parameter that sends the user terminal place to gateway S-GW;
S-GW is by cluster default bearer qos parameter Resources allocation, and, send E-eNodeB, E-eNodeB tabulation, cluster default bearer S-GW S5/S8-TEID, type of service and the cluster default bearer qos parameter at professional transmission user terminal place subsequently to eP-GW at the E-eNodeB at business transmission user terminal place and each E-eNodeB distribution cluster default bearer S-GWS5/S8-TEID in the E-eNodeB tabulation;
EP-GW is by cluster default bearer qos parameter Resources allocation, and at the E-eNodeB at business transmission user terminal place and each E-eNodeB distribution cluster default bearer eP-GWS5/S8-TEID in the E-eNodeB tabulation, eP-GW asks predefined strategy and charging control PCC rule by type of service to eHSS, and eP-GW is according to PCC regular allocation cluster dedicated bearing qos parameter, and, return cluster default bearer qos parameter to S-GW subsequently at the E-eNodeB at business transmission user terminal place and each E-eNodeB distribution cluster dedicated bearing eP-GW S5/S8-TEID in the E-eNodeB tabulation, cluster dedicated bearing qos parameter, cluster default bearer eP-GW S5/S8-TEID and cluster dedicated bearing eP-GWS5/S8-TEID;
The S-GW record traffic sends user terminal and the professional cluster default bearer S-GWS5/S8-TEID of user terminal and the mapping relations of eP-GW S5/S8-TEID of receiving, and the S5/S8 carrying of the cluster default bearer of described up link and down link is set up.
Among the described step B, set up the radio bearer of described cluster default bearer and the radio bearer of cluster dedicated bearing and comprise,
EMME is sent to the professional E-eNodeB that sends the user terminal place with cluster default bearer qos parameter and cluster dedicated bearing qos parameter;
The professional E-eNodeB that sends the user terminal place is mapped as the radio bearer qos parameter respectively with cluster default bearer qos parameter and cluster dedicated bearing qos parameter, sets up the radio bearer of described cluster default bearer and the radio bearer of cluster dedicated bearing by the radio bearer qos parameter.
In the described steps A, after the S5/S8 of the cluster default bearer of described up link and down link carrying is set up, also comprise
S-GW sends the E-eNodeB at user terminal place at business and each E-eNodeB in the E-eNodeB tabulation distributes cluster default bearer S-GW S1-TEID and cluster dedicated bearing S-GW S1-TEID, and cluster default bearer S-GW S1-TEID and cluster dedicated bearing S-GW S1-TEID are sent to eMME;
Among the described step B, set up the S1 carrying of described cluster default bearer, the S1 carrying of cluster dedicated bearing and the S5/S8 carrying of cluster dedicated bearing and comprise,
E-eNodeB sends cluster default bearer E-eNodeB S1-TEID and the cluster dedicated bearing E-eNodeB S1-TEID that self distributed to eMME;
EMME transmits cluster default bearer E-eNodeB S1-TEID and cluster dedicated bearing E-eNodeBS1-TEID to S-GW, the mapping relations of S-GW record clustering default bearer S-GW S1-TEID and E-eNodeBS1-TEID, the S1 carrying of described cluster default bearer is set up; The mapping relations of record clustering dedicated bearing S-GW S1-TEID and E-eNodeB S1-TEID, the S1 carrying of described cluster dedicated bearing is set up; S-GW distributes cluster dedicated bearing S-GW S5/S8-TEID at the E-eNodeB that business sends the user terminal place, and is sent to eP-GW;
The mapping relations of eP-GW record clustering dedicated bearing eP-GW S5/S8-TEID and S-GW S5/S8-TEID, the S5/S8 carrying of described cluster dedicated bearing is set up.
Among the described step C, described foundation specifically comprises,
Each E-eNodeB signalling of bouquet default bearer qos parameter and the cluster dedicated bearing qos parameter of eMME in the E-eNodeB tabulation;
E-eNodeB distributes cluster default bearer radio bearer resources according to cluster default bearer qos parameter, and distribution cluster default bearer E-eNodeB S1-TEID, and according to cluster dedicated bearing qos parameter distribution cluster dedicated bearing radio bearer resources, and distribute cluster dedicated bearing E-eNodeB S1-TEID, be sent to eMME;
EMME transmits cluster default bearer E-eNodeB S1-TEID and cluster dedicated bearing E-eNodeB S1-TEID to S-GW, the mapping relations of S-GW record clustering default bearer S-GW S1-TEID and cluster default bearer E-eNodeB S1-TEID, the S1 carrying of described cluster default bearer is set up; The mapping relations of record clustering dedicated bearing S-GW S1-TEID and cluster dedicated bearing E-eNodeB S1-TEID, the S1 carrying of described cluster dedicated bearing is set up; And at each E-eNodeB distribution cluster dedicated bearing S-GW S5/S8-TEID in the E-eNodeB tabulation, and be sent to eP-GW;
EP-GW is by the mapping relations of cluster record clustering dedicated bearing eP-GW S5/S8-TEID and cluster dedicated bearing S-GW S5/S8-TEID, and the S5/S8 of described cluster dedicated bearing carries foundation.
Behind described eMME each E-eNodeB signalling of bouquet default bearer qos parameter and cluster dedicated bearing qos parameter in the E-eNodeB tabulation, further comprise, E-eNodeB is mapped as the radio bearer qos parameter respectively with cluster default bearer qos parameter and cluster dedicated bearing qos parameter, shares Radio Resource by radio bearer qos parameter allocation of downlink;
The E-eNodeB informing business receives the down link that user terminal distributed and shares Radio Resource, finishes the radio bearer of described cluster default bearer and cluster dedicated bearing and sets up.
After the described step C, further comprise before the described step D, determine that the cluster carrying of up link and down link is set up, specifically comprise:
EMME receives the affirmation message that the arbitrary E-eNodeB in the E-eNodeB tabulation returns, and described E-eNodeB sets up the professional S1 carrying that sends the cluster default bearer and the cluster dedicated bearing of user terminal with S-GW.
After the cluster carrying foundation of described definite up link and down link, further comprise before the step D,
Network subsystem sends service authorization message to the described professional user terminal that sends, and sends service informing information to the described professional user terminal that receives.
Described step D specifically comprises, in the up link, the described professional E-eNodeB that user terminal is sent to multi-medium data by the radio bearer of cluster default bearer and cluster dedicated bearing professional transmission user terminal place that sends, multimedia data stream is sent to S-GW by the S1 carrying of cluster default bearer and cluster dedicated bearing, and the S5/S8 by cluster default bearer and cluster dedicated bearing carries the eP-GW place that is sent in the network subsystem again; In the down link, multimedia data stream is sent to S-GW by the S5/S8 carrying of cluster default bearer and cluster dedicated bearing, S1 carrying by cluster default bearer and cluster dedicated bearing is sent to each E-eNodeB in the E-eNodeB tabulation with multimedia data stream again, multimedia data stream is sent to the described professional user terminal that receives again.
In the up link, when multimedia data stream is sent to eP-GW, eP-GW mapping and duplicate the multimedia data stream of receiving, in down link, eP-GW is sent to S-GW with the S5/S8 carrying of described multimedia data stream by described cluster dedicated bearing again.
From technique scheme as can be seen, in embodiments of the present invention, the professional user terminal that sends is to the request of network subsystem signalling of bouquet multimedia service, network subsystem receives the request back business is sent subscriber terminal authority, authentication is passed through, then in group, set up the S5/S8 carrying of the cluster default bearer of up link and down link, and initiate the foundation of cluster dedicated bearing, thereby satisfied of the requirement of group inner multimedia business to bandwidth, speed, time delay and real-time according to the QoS of business demand.After setting up the S5/S8 carrying of cluster default bearer of up link and down link, in up link, set up professional cluster default bearer and the cluster dedicated bearing that sends user terminal, set up professional cluster default bearer and the cluster dedicated bearing that receives user terminal in the down link, digital clustering communication system sends user terminal and the professional user terminal allocation of network resources that receives for the business in the group simultaneously, has significantly reduced the time that the group service session is set up in the group.After the cluster carrying is set up, network subsystem sends user terminal to business and sends service authorization message, receive user terminal to business and send service informing information, the professional user terminal that sends is sent to network subsystem by cluster default bearer in the up link and cluster dedicated bearing with multimedia data stream, network subsystem is sent to the professional user terminal that receives by cluster default bearer and cluster dedicated bearing with multimedia data stream in down link, realized the real-time transmission of high-speed multimedia business in the group.
Description of drawings
Fig. 1 is the schematic network structure of wideband digital trunked communication system among the present invention.
Fig. 2 realizes the professional method flow schematic diagram that transmits in real time of wideband digital cluster group inner multimedia for the embodiment of the invention.
Fig. 3 comprises Fig. 3 a and Fig. 3 b for the embodiment of the invention realizes the professional procedure schematic diagram that transmits in real time of wideband digital cluster group inner multimedia.
Embodiment
For making the purpose, technical solutions and advantages of the present invention express clearlyer, the present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
The present invention proposes a kind of professional method that transmits in real time of wideband digital cluster group inner multimedia that realizes, this method realizes in the wideband digital trunked communication system based on TD-LTE.The TD-LTE technology is a kind of TD SDMA (TD-SCDMA) evolution technology, is the model that mobile communication and broadband wireless access are merged, and also is one of mainstream standard of following wide-band mobile communication.Compare with existing trunked communication system, wideband digital trunked communication system based on the TD-LTE technology has bigger channel capacity, the higher availability of frequency spectrum, stronger antijamming capability and better transmission property, utilizes the wideband digital trunked communication system of TD-LTE technology can realize the real-time transmission of high-speed multimedia business in the group.
Fig. 1 is based on the schematic network structure of the digital clustering communication system of time-division Long Term Evolution (TD-LTE, Time Division-Long TermEvolution) technology in the prior art.As shown in Figure 1, comprising: terminal, broadband wireless access subsystem, network subsystem and four chief components of operation and maintenance sub system; Below each part is described in detail respectively.
1, terminal
Terminal is meant the equipment that the user can direct control, comprises user terminal and dispatching desk, and user terminal is made up of portable terminal and fixed station; Dispatching desk is made up of wired dispatching desk and wireless dispatching platform.Terminal links to each other with broadband wireless access subsystem or network subsystem by air interface or wired connection.Wherein, portable terminal can specifically comprise hand-held travelling carriage and Vehicle mounted station etc.
2, broadband wireless access subsystem
The broadband wireless access subsystem mainly is made up of enhanced base station (E-eNodeB).Be used for being responsible for the relevant treatment of group service, comprise: from enhancement mode mobile management entity (eMME) receive cluster control signaling, for the terminal distribution Radio Resource (as, for receiving the descending shared Radio Resource of terminal place cell allocation of business data flow), and the business data flow that will send from the business transmission terminal that gateway (S-GW) receives is sent to professional receiving terminal etc.
3, network subsystem
Network subsystem mainly is made up of eMME, gateway (S-GW), enhancement mode home subscriber server (eHSS), enhanced packet data network gateway (eP-GW) and scheduling gateway (D-GW) etc., is used to finish calling control, colony dispatching, the transmission of business data flow and the functions such as data management of cluster user of cluster user.
Wherein, eMME is a nucleus equipment of realizing group service, is responsible for terminal is carried out the mandate of authentication and group service, is the foundation of the terminal originating service carrying of authentication success.
S-GW is the terminal point that connects the packet data interface of broadband wireless access subsystem, mainly is responsible for the route and the preceding commentaries on classics of packet.
EP-GW is the gateway that connects outer data network, be used to finish the group service data flow mapping, duplicate and distribute (being distributed to S-GW), and the characteristics and the QoS demand of the group service of initiating according to terminal are initiated the foundation of service bearer.
EHSS is used to store the group user profile relevant with group service with management.
D-GW provides the access of wired dispatching desk, and wired dispatching desk is carried out authentication; In addition, control signaling between eMME in also responsible wired dispatching desk of transmission and the network subsystem and the eHSS etc. and the business data flow between wired dispatching desk and the eP-GW.
4, operation and maintenance sub system
Can carry out the operations such as change of the opening an account of cluster user, cancellation and teleservice authority by operation and maintenance sub system.
The professional passage that transmits in real time of group's inner multimedia is set up and is divided into up link and two parts of down link in the present invention.In up link, need to set up professional cluster default bearer and the cluster dedicated bearing that sends user terminal, and the cluster default bearer is made up of S1 carrying between the S-GW in radio bearer, E-eNodeB and the network subsystem between the E-eNodeB in business transmission user terminal and the broadband wireless access subsystem and the carrying of the S5/S8 between the eP-GW in S-GW and the network subsystem; Corresponding cluster dedicated bearing equally also is made up of radio bearer, S1 carrying and S5/S8 carrying.
In the professional transmission in real time of group's inner multimedia down link, need to set up professional cluster default bearer and the proprietary service bearer of cluster that receives user terminal, the wherein professional cluster default bearer that receives user terminal comprises radio bearer, S1 carrying and S5/S8 carrying; And the professional cluster dedicated bearing that receives user terminal comprises radio bearer, S1 carrying and S5/S8 carrying.
After professional transmission up link in real time of group's inner multimedia and down link were set up, professional E-eNodeB, the S-GW that sends user terminal by its place was sent to eP-GW with data flow, finishes the transmission of multimedia data stream in the up link; Then, eP-GW shines upon data flow and duplicates, and be distributed to the professional S-GW that sends the user terminal place, the professional S-GW that sends the user terminal place sends to each E-eNodeB in the E-eNodeB tabulation with data flow, by each E-eNodeB data flow is sent to self each included professional user terminal that receives again, finish the transmission of the multimedia data stream of down link.
Fig. 2 is that the embodiment of the invention realizes the professional method flow schematic diagram that transmits in real time of wideband digital cluster group inner multimedia, and wherein step 201-202 is the process of setting up of up link, and step 201 and 203 is the processes of setting up of down link.Specifically may further comprise the steps:
The professional user terminal that sends is to eMME signalling of bouquet multimedia service request message, and eMME sends subscriber terminal authority to business, is engaged in sending user terminal and the professional S5/S8 carrying that receives the cluster default bearer of user terminal built-in the setting up one's own business of group.
At first professional transmission user terminal determines whether self is in and network connection state.If the professional user terminal that sends is determined self to be in and network connection state, then direct eMME signalling of bouquet multimedia service request message in network subsystem; Otherwise, the professional user terminal initiation random access procedure that sends is connected the process of foundation with Radio Resource control (RRC), the uplink synchronous of foundation and E-eNodeB is obtained the signaling bear resource that is used to send service request, then again to eMME signalling of bouquet multimedia service request message.Wherein random access procedure is connected the standard signaling procedure that the process of foundation is the TD-LTE mobile communication system with Radio Resource control (RRC), does not repeat them here.
After eMME receives cluster multimedia service request message, by alternately business being sent the terminal carrying out service authentication with eHSS.If eMME does not pass through the authentication that business sends user terminal, then the refusal business sends the service request of user terminal, end session; If business being sent the authentication of user terminal passes through, the then details of each user terminal in the eHSS request cluster group of eMME in network subsystem, and the S5/S8 carrying of in group, setting up cluster default bearer in the uplink and downlink link according to the details of each user terminal for this group service session.
The foundation of the S5/S8 of the cluster default bearer of this group service session carrying specifically comprises: the S-GW of eMME in network subsystem sends the establishment cluster default bearer request message of information such as carrying professional E-eNodeB, the E-eNodeB tabulation that sends the user terminal place, the default qos parameter of cluster, type of service; S-GW distributes bearing resource according to the default qos parameter of cluster, send the S-GW S5/S8-TEID of the E-eNodeB at user terminal place and each E-eNodeB distribution cluster default bearer in the E-eNodeB tabulation at business, and send to the eP-GW in the network subsystem; EP-GW is by cluster default bearer qos parameter Resources allocation, and at the E-eNodeB at business transmission user terminal place and each E-eNodeB distribution cluster default bearer eP-GW S5/S8-TEID in the E-eNodeB tabulation, eP-GW sends the type of service of user terminal requests according to business, ask predefined PCC rule to eHSS, and according to PCC rule judgment needs for this reason the group service session create one or more cluster dedicated bearings again, then eP-GW is according to PCC regular allocation cluster dedicated bearing qos parameter, and at the E-eNodeB at business transmission user terminal place and each E-eNodeB distribution cluster dedicated bearing eP-GWS5/S8-TEID in the E-eNodeB tabulation, and initiate the cluster dedicated bearing and set up process; EP-GW returns eP-GW S5/S8-TEID, the cluster dedicated bearing qos parameter of cluster default bearer qos parameter, cluster default bearer, the eP-GW S5/S8 TEID of cluster dedicated bearing to S-GW; The S-GW record traffic sends user terminal and the S-GW S5/S8 TEID of the cluster default bearer of professional reception user terminal and the mapping relations of eP-GW S5/S8 TEID, finishes the professional foundation that sends the S5/S8 carrying of the user terminal and the cluster default bearer of professional reception user terminal; S-GW sends the E-eNodeB at user terminal place at business and each E-eNodeB in the E-eNodeB tabulation distributes the S-GW S1-TEID of cluster default bearer to send to eMME; S-GW distributes cluster dedicated bearing resource according to cluster dedicated bearing qos parameter simultaneously, and distributes the S-GWS1-TEID of cluster dedicated bearing to send to eMME at the E-eNodeB at business transmission user terminal place and each E-eNodeB in the E-eNodeB tabulation.The PCC rule with and the rule formulation, be existing technology in the TD-LTE system, do not repeat them here.
The cluster default bearer is the necessary carrying that each group sets up when initiating Basic voice call.Whether need to set up dedicated bearing in the present invention, and set up several dedicated bearings, decide on the PCC rule.The formulation of PCC and rule is existing technology, does not repeat them here.The cluster dedicated bearing all is in all carryings outside the cluster default bearer.For example basic audio call, what transmit for digital clustering communication system is that time delay, packet loss etc. require the packet of identical (being that QoS is identical), only need set up a cluster default bearer and just can satisfy speech business transmission requirement; For visual call business, voice, data and video etc. have been gathered, because voice, data and video are to requirements such as time delay, packet loss different (being the QoS difference), when so digital clustering communication system is transmitted visual call business, when setting up the cluster default bearer, also will set up the cluster dedicated bearing, these carryings have different QoS, to satisfy the real-time transmission of video traffic.
The professional user terminal cluster default bearer that sends is made up of the radio bearer of cluster default bearer, the S1 carrying and the S5/S8 carrying of cluster default bearer of cluster default bearer; The professional user terminal cluster dedicated bearing that sends is made up of the radio bearer of cluster dedicated bearing, the S1 carrying and the S5/S8 carrying of cluster dedicated bearing of cluster dedicated bearing.
Digital clustering communication system sends radio bearer and the S1 carrying that user terminal is set up the cluster default bearer for professional, and the radio bearer of cluster dedicated bearing and S1 carrying.
Wherein, after eMME received that business that S-GW sends sends the S-GW S1-TEID of the S-GWS1-TEID of user terminal cluster default bearer and cluster dedicated bearing, it be the professional user terminal distribution uplink radio resources that sends that indicating services sends user terminal place E-eNodeB; The professional E-eNodeB that sends the user terminal place sends terminal to business and sends RRC connection reconfiguration message, wherein carries uplink radio resources and describes and security-related configuration information; The professional user terminal that sends is according to each layer parameter of information configuration self that receives, and send RRC to the E-eNodeB at place and connect to reshuffle and finish message, finish the radio bearer of the professional cluster dedicated bearing that sends user terminal and the radio bearer of cluster default bearer and set up.
The professional E-eNodeB that sends the user terminal place receive RRC connect reshuffle finish message after, distribute the E-eNodeB S1-TEID of cluster default bearer and cluster dedicated bearing, and send to eMME; EMME sends to S-GW with the E-eNodeB S1-TEID of cluster default bearer and cluster dedicated bearing; The E-eNodeB S1-TEID of S-GW record clustering default bearer and the mapping relations of S-GW S1-TEID, and return acknowledge message to eMME, finish the S1 carrying of cluster default bearer and set up; Simultaneously, the E-eNodeB S1-TEID of S-GW record clustering dedicated bearing and the mapping relations of S-GW S1-TEID, finishing the S1 carrying of cluster dedicated bearing sets up, and, send to eP-GW at the S-GW S5/S8-TEID that the E-eNodeB at business transmission user terminal place distributes the cluster dedicated bearing.
The S-GW S5/S8-TEID of the cluster dedicated bearing of eP-GW record traffic transmission user terminal and the mapping relations of eP-GW S5/S8-TEID are finished the professional S5/S8 carrying that sends the cluster dedicated bearing of user terminal and are set up.
So far, radio bearer, the S1 carrying of cluster default bearer and the S5/S8 carrying of cluster default bearer of the included cluster default bearer of the professional cluster default bearer that sends user terminal are all successfully set up in the up link; Radio bearer, the S1 carrying of cluster dedicated bearing and the same whole foundation of S5/S8 carrying of cluster dedicated bearing of the included cluster dedicated bearing of the professional cluster dedicated bearing that sends user terminal in the up link.
Digital clustering communication system receives the professional receiving terminal that belongs to same sub-district in the user terminal and distributes the downlink radio resource of sharing for all are professional, and the informing business receiving terminal.And step 202 and step 203 are carried out simultaneously.
Wherein, after eMME received that business that S-GW sends receives the S-GW S1-TEID of the S-GWS1-TEID of cluster default bearer of user terminal and cluster dedicated bearing, each E-eNodeB allocation of downlink in all sub-districts that it comprised in the eMME indication E-eNodeB tabulation was shared Radio Resource; Each E-eNodeB finishes down link and shares allocation of radio resources, and informing business receives user terminal, the radio bearer foundation of cluster default bearer and cluster dedicated bearing; Simultaneously, each E-eNodeB returns acknowledge message to eMME, and indication eMME sets up the S1 carrying of cluster default bearer and the S1 carrying of cluster dedicated bearing.
EMME receives the affirmation message from each E-eNodeB, obtains each E-eNodeB that wherein carries and is the cluster default bearer of the distribution of professional reception user terminal and the E-eNodeB S1-TEID of cluster dedicated bearing, and send to S-GW; The E-eNodeBS1-TEID of S-GW record clustering default bearer and the mapping relations of S-GW S1-TEID, and return acknowledge message to eMME, finish the S1 carrying of cluster default bearer and set up; Simultaneously, the E-eNodeB S1-TEID of S-GW record clustering dedicated bearing and the mapping relations of S-GW S1-TEID, finishing the S1 carrying of cluster dedicated bearing sets up, and receive the S-GW S5/S8-TEID of the cluster dedicated bearing of user terminal at each the E-eNodeB distribution service in the E-eNodeB tabulation, send to eP-GW.
The S-GW S5/S8-TEID of the cluster dedicated bearing of eP-GW record traffic reception user terminal and the mapping relations of eP-GW S5/S8-TEID are finished the professional S5/S8 carrying that receives the cluster dedicated bearing of user terminal and are set up.
As from the foregoing, in down link, included radio bearer and the S1 of professional reception user terminal cluster default bearer carries, and the professional included proprietary radio bearer of cluster of user terminal cluster dedicated bearing, S1 carrying and the S5/S8 of receiving carries all successfully foundation.
In step 201 and 202, professional cluster dedicated bearing and the cluster default bearer that sends user terminal finished foundation in the up link of this cluster session; In step 201 and 203, professional cluster dedicated bearing and the cluster default bearer that receives user terminal finished foundation in the down link of this cluster session, and this group service sessions carry was set up and finished this moment.
The group service session is set up and is finished in step 204, the group.
Network subsystem sends user terminal signalling of bouquet service authorization to business, and receives user terminal signalling of bouquet service informing information to business, and the group service sessions carry is set up and finished in the group.
EMME confirms to receive the affirmation message that the arbitrary E-eNodeB in the E-eNodeB tabulation returns, and the E-eNodeB that confirms these return messages sets up the professional S1 carrying that sends the cluster default bearer and the cluster dedicated bearing of user terminal with S-GW, then send user terminal signalling of bouquet service authorization message by the professional E-eNodeB that sends the user terminal place to business, informing business sends user terminal can send multimedia data stream; Simultaneously, eMME sends service informing message to the E-eNodeB that returns acknowledge message, receives user terminal signalling of bouquet service informing information by it to included business, and the group service session is set up and finished.
After the group service session was set up, professional E-eNodeB, the S-GW that sends user terminal by the place was sent to eP-GW with data flow; Then, eP-GW shines upon data flow and duplicates, and is distributed to the professional S-GW that receives the user terminal place; The professional S-GW that receives the user terminal place sends to each E-eNodeB in the E-eNodeB tabulation with multimedia data stream; By each E-eNodeB multimedia data stream is sent to self each included professional user terminal that receives.
Below by concrete example in conjunction with the accompanying drawings 3, the professional method that transmits in real time of group's inner multimedia is described in further detail.
Fig. 3 is the professional method schematic diagram that transmits in real time of the realization wideband digital cluster group inner multimedia among the inventive method embodiment.Limited by length, Fig. 3 is divided into two parts up and down, be shown in respectively among Fig. 3 a and Fig. 3 b.Among the figure, UE1 is the professional user terminal that sends, and UE2 and UE3 are two in the group professional user terminals that receive.
Wherein, A (301) is that the professional user terminal that sends is initiated cluster multimedia service request process in group; B (302-307) is that eMME sends subscriber terminal authority to business and is that the S5/S8 that business transmission user terminal and professional reception user terminal are set up the cluster default bearer carries, and initiation cluster dedicated bearing is set up process; Among the C (308-314), the E-eNodeB that the eMME indicating services sends the user terminal place is that the professional user terminal that sends distributes uplink radio resources, set up the radio bearer of cluster default bearer and cluster dedicated bearing, also set up the S1 carrying of cluster default bearer, the S1 carrying of cluster dedicated bearing and the S5/S8 carrying of cluster dedicated bearing in this process; Each E-eNodeB allocation of downlink in all sub-districts that it comprised among the D (315-319) in the eMME indication E-eNodeB tabulation is shared Radio Resource, and the radio bearer and the S1 carrying of setting up the cluster default bearer, and the radio bearer of cluster dedicated bearing, S1 carrying and S5/S8 carrying; EMME sends terminal to business and sends service authorization message among the E (320-321), and sends service informing information to professional receiving terminal.In the real-time transport process of multimedia service, step C and step D are parallel carrying out.
Step 301, professional when sending user terminal initiating the cluster multimedia service in group, professional transmission terminal may be in connection status or idle condition.If the professional user terminal that sends is in connection status, the then professional user terminal input sets of numbers that sends, when the business of pressing sends key, the professional user terminal that sends is directly issued eMME with cluster multimedia service request (Trunking Multimedia Service Request) by E-eNodeB by NAS message, wherein carries the professional information such as user terminal number, sets of numbers, urgent sign, type of service that send in the request of cluster multimedia service.
If the professional user terminal that sends is in idle condition, then when the professional user terminal input sets of numbers that sends, when the business of pressing sends key, the professional user terminal that sends needs elder generation's initiation random access procedure to be connected the process of foundation with RRC, by these two processes, professional transmission user terminal could be set up the uplink synchronous with E-eNodeB, and acquisition sends the signaling bear resource of service request, arrive eMME by the request of NAS message signalling of bouquet multimedia service then, wherein carry the professional user terminal number that sends in the request of cluster multimedia service, group number, urgent sign, information such as type of service.
Step 302, eMME and eHSS are mutual, business is sent user terminal carry out authentication.
If the professional authentication that sends user terminal is not passed through, the professional cluster multimedia service request that sends user terminal of eMME refusal, this group service conversation end; If the professional authentication that sends user terminal is passed through, eMME asks the details of this group user terminal to eHSS according to the group number in the request of cluster multimedia service.The group user details comprise dispatching desk is formed under the user in tabulation that user terminal place E-eNodeB in the group of current initiation cluster multimedia service user terminal place forms, the group tabulation, multicast ip address (the professional destination address that sends) at least, organize information such as priority, the default qos parameter of cluster, type of service.
Step 303, the success of professional transmission subscriber terminal authority, eMME sends to S-GW and creates cluster default bearer request (Create Trunking Default Bearer Request) message, be initiated as this group service session and set up the S5/S8 carrying of cluster default bearer, carry the professional information such as user terminal number, group number, professional E-eNodeB, the E-eNodeB tabulation that sends the user terminal place, group priority, the default qos parameter of cluster, type of service that send in the message at least.
Step 304, S-GW distributes bearing resource according to the default qos parameter of cluster in the establishment cluster default bearer request of eMME transmission, and distribute the cluster default bearer S-GW S5/S8-TEID of up link at the E-eNodeB that business sends the user terminal place, cluster default bearer S-GW S5/S8-TEID at each the E-eNodeB allocation of downlink in the E-eNodeB tabulation, send to eP-GW subsequently and create cluster default bearer request message, carry the professional user terminal number that sends in the message at least, group number, the professional E-eNodeB that sends the user terminal place, the E-eNodeB tabulation, the S-GWS5/S8-TEID of cluster default bearer, group priority, the default qos parameter of cluster, information such as type of service.
Step 305, by the type of service in the establishment cluster default bearer request message that receives, eP-GW asks predefined PCC rule to eHSS, and according to PCC rule judgment needs one or more cluster dedicated bearings of conversation establishing for this reason, then eP-GW is according to PCC regular allocation cluster dedicated bearing qos parameter, and initiates the cluster dedicated bearing and set up process.
It should be noted that eP-GW also can whether needs be the one or more cluster dedicated bearings of this conversation establishing according to dynamic PCC rule judgment.But because trunked communication system is the personal communication system towards key industry, department, to having relatively high expectations of colony dispatching and session establishment time delay, therefore the service quality that adopts predefined PCC rule to come unconditional assurance cluster user or group service is usually avoided the negotiations process of QoS.
Step 306, according to predefined PCC rule, eP-GW need create one or more cluster dedicated bearings, then eP-GW returns to S-GW and creates the response of cluster default bearer and create cluster dedicated bearing request (Create Trunking Default Bearer Response and Create Trunking Dedicated BearerRequest (s)) message, creates to comprise the professional user terminal number that sends in the cluster default bearer response message, group number, cluster default bearer qos parameter, the eP-GW S5/S8-TEID of cluster default bearer, the professional E-eNodeB that sends the user terminal place, the E-eNodeB tabulation; Create and comprise professional send the eP-GW S5/S8 TEID of user terminal number, group number, cluster dedicated bearing qos parameter, cluster dedicated bearing, professional E-eNodeB, the E-eNodeB tabulation that sends the user terminal place in the cluster dedicated bearing request message.
Step 307, S-GW are by creating the eP-GW S5/S8-TEID that cluster default bearer response message obtains the cluster default bearer of up link and down link, the S-GW S5/S8 TEID and the mapping relations of eP-GW S5/S8 TEID of the cluster default bearer of record up link and down link finish the foundation that the S5/S8 of the cluster default bearer of up link and down link carries.S-GW obtains professional E-eNodeB and the E-eNodeB tabulation that sends the user terminal place by creating cluster default bearer response message, the E-eNodeB that sends the user terminal place at business distributes the cluster default bearer S-GW S1-TEID of up link, the S-GWS1-TEID of the cluster default bearer of each the E-eNodeB allocation of downlink in tabulating at E-eNodeB.
S-GW distributes cluster dedicated bearing resource according to the cluster dedicated bearing qos parameter of creating in the cluster dedicated bearing request message simultaneously; S-GW obtains professional E-eNodeB and the E-eNodeB tabulation that sends the user terminal place by creating cluster dedicated bearing request message, the E-eNodeB that sends the user terminal place at business distributes the cluster dedicated bearing S-GW S1-TEID of up link, the S-GW S1-TEID of the cluster dedicated bearing of each the E-eNodeB allocation of downlink in tabulating at E-eNodeB.
Then, S-GW sends to eMME and creates the response of cluster default bearer and create cluster dedicated bearing request (Create Trunking Default Bearer Response and Create Trunking Dedicated BearerRequest (s)) message.Create and to carry the professional S-GW S1-TEID that sends user terminal number, group number, professional E-eNodeB, the E-eNodeB tabulation that sends the user terminal place, cluster default bearer qos parameter, cluster default bearer in the cluster default bearer response message, create the S-GW S1-TEID that carries professional E-eNodeB, the E-eNodeB tabulation that sends user terminal number, group number, professional transmission user terminal place, cluster dedicated bearing qos parameter, cluster dedicated bearing in the cluster dedicated bearing request message.
So far, the S5/S8 of the cluster default bearer of up link and down link carrying foundation is finished in this group service session.
After the S5/S8 of cluster default bearer carrying was set up in step 308, up link and the down link, eMME set up request (Trunking Default Bearer Setup Request and Trunking DedicatedBearer Setup Request (s)) message to E-eNodeB signalling of bouquet default bearer foundation request and cluster dedicated bearing that business sends the user terminal place.EMME its objective is to business sends user terminal distribution uplink radio resources to E-eNodeB signalling of bouquet default bearer foundation request and the request of setting up of cluster dedicated bearing that business sends whole user side place, and sets up professional radio bearer and the S1 carrying that sends user terminal.
Setting up the business of carrying in the request message at the cluster default bearer sends user terminal number, group number, cluster default bearer qos parameter, sends corresponding cluster default bearer S-GW S1-TEID, the multicast ip address of user terminal place E-eNodeB with business.The cluster dedicated bearing is set up and is carried professional S-GW S1-TEID, the multicast ip address that sends user terminal number, group number, cluster dedicated bearing qos parameter, the cluster dedicated bearing corresponding with professional transmission user terminal place E-eNodeB in the request message.
Step 309, the professional E-eNodeB that sends the user terminal place set up request message according to cluster default bearer foundation request and cluster dedicated bearing, cluster default bearer qos parameter and cluster dedicated bearing qos parameter are mapped as the radio bearer qos parameter, and send user terminal to business and send RRC and connect and reshuffle (RRC Connection Reconfiguration) message, revise the RRC that has set up and connect, finish the radio bearer of cluster default bearer and cluster dedicated bearing and set up.Carry uplink radio resources in the RRC connection reconfiguration message and describe (as the physical channel configuration) and other security-related configuration information.
Step 310, the professional user terminal that sends connect reconfiguration message according to the RRC that E-eNodeB sends, configure after self each layer parameter, send RRC to E-eNodeB and connect and reshuffle the radio bearer of finishing (RRCConnection Reconfiguration Complete) message authentication cluster default bearer and cluster dedicated bearing and set up and finish.
So far, the radio bearer of the cluster default bearer of professional transmission user terminal and cluster dedicated bearing is set up and is finished.
Step 311, the professional E-eNodeB that sends the user terminal place receive the professional RRC that sends user terminal connect reshuffle finish message after, set up response and cluster dedicated bearing to eMME signalling of bouquet default bearer and set up and respond (Trunking Default Bearer Setup Response and Trunking DedicatedBearer Setup Response (s)) message.
The cluster default bearer is set up and is carried professional user terminal number, group number, the professional E-eNodeB S1-TEID that sends the cluster default bearer of user terminal place E-eNodeB distribution of sending in the response message; The cluster dedicated bearing is set up and is carried professional user terminal number, group number, the professional E-eNodeB S1-TEID that sends the cluster dedicated bearing of user terminal place E-eNodeB distribution of sending in the response message.
Step 312, after eMME receives that the professional E-eNodeB institute signalling of bouquet default bearer that sends the user terminal place is set up response and cluster dedicated bearing foundation response, be sent to S-GW with carrying renewal cluster default bearer request (the Update Trunking Default Bearer Request) message of the E-eNodeBS1-TEID of cluster default bearer and renewal cluster dedicated bearing request (Create Trunking Dedicated Bearer Response (the s)) message of E-eNodeB S1-TEID that carries the cluster dedicated bearing and E-eNodeB tabulation, so that in up link, set up the S1 carrying of cluster default bearer and cluster dedicated bearing.
Step 313, S-GW are by upgrading the E-eNodeB S1-TEID that cluster default bearer request message obtains the cluster default bearer, the E-eNodeB S1-TEID of S-GW record clustering default bearer and the mapping relations of S-GWS1-TEID, finishing the S1 carrying of cluster default bearer sets up, and, confirm that the S1 carrying foundation of cluster default bearer is finished to eMME transmission renewal cluster default bearer response (Update Trunking Default Bearer Response) message.
The radio bearer of the cluster default bearer that the cluster default bearer is included is set up in step 310 and is finished, and the S1 of cluster default bearer is carried on to set up in the step 313 and finishes, and the S5/S8 of cluster default bearer is carried on to set up in the step 307 and finishes.So far, radio bearer, S1 carrying and the S5/S8 carrying of the included cluster default bearer of the professional cluster default bearer that sends user terminal are all successfully set up and are finished.
Simultaneously, S-GW is by upgrading the E-eNodeBS1-TEID that cluster dedicated bearing request message obtains the cluster dedicated bearing, the E-eNodeB S1-TEID of S-GW record clustering dedicated bearing and the mapping relations of S-GW S1-TEID, finishing the S1 carrying of cluster dedicated bearing sets up, and, send to eP-GW by creating dedicated bearing response (Create Trunking Dedicated Bearer Response (s)) message at the S-GW S5/S8-TEID that the E-eNodeB at business transmission user terminal place distributes the cluster dedicated bearing.
Step 314, eP-GW receive and create the dedicated bearing response message, write down the mapping relations of the S-GW S5/S8-TEID and the eP-GW S5/S8-TEID of the cluster dedicated bearing in this message, finish the S5/S8 carrying of cluster dedicated bearing and set up.
The radio bearer of the cluster dedicated bearing that the cluster dedicated bearing is included is set up in step 310 and is finished, and the S1 of cluster dedicated bearing is carried on to set up in the step 313 and finishes, and the S5/S8 of cluster dedicated bearing is carried on to set up in the step 314 and finishes.So far, radio bearer, S1 carrying and the S5/S8 carrying of the included cluster dedicated bearing of the professional cluster dedicated bearing that sends user terminal are all successfully set up and are finished.
The professional foundation that sends user terminal cluster default bearer and cluster dedicated bearing makes the up link carrying of this group service session finish foundation.
After step 315, the professional S5/S8 carrying that receives user terminal cluster default bearer are set up, eMME each E-eNodeB transmission in the E-eNodeB tabulation is created the cluster default bearer and is set up request and create cluster dedicated bearing foundation request (Trunking Default Bearer Setup Request and TrunkingDedicated Bearer Setup Request (s)) message, indicates its allocation of downlink in the sub-district that is comprised to share Radio Resource.
Creating the cluster default bearer sets up and carries group number, cluster default bearer qos parameter, cluster default bearer S-GW S1-TEID, the multicast ip address corresponding with each E-eNodeB in the request message; Create the cluster dedicated bearing and set up S-GW S1-TEID, the multicast ip address that comprises cluster dedicated bearing qos parameter, the cluster dedicated bearing corresponding in the request message with each E-eNodeB.
Each E-eNodeB in step 316, the E-eNodeB tabulation create cluster default bearer set up request and create dedicated bearing set up the cluster default bearer qos parameter in the request message and cluster dedicated bearing qos parameter be mapped to the radio bearer qos parameter after, share Radio Resource by radio bearer qos parameter allocation of downlink.
After step 317, the shared allocation of radio resources of down link were finished, each E-eNodeB carried out following two steps concurrently:
Step 3171, the down link that distributes is shared the Radio Resource informing business receive user terminal.Be each E-eNodeB broadcast service notification message periodically in each sub-district that it comprised, carry the down link that has distributed in the message and share Radio Resource description, multicast ip address, group number, and the relevant configuration information of safety.After professional receiving terminal receives service announcements message, share the Radio Resource description according to the down link in the service announcements message and be configured, join in this group service session.
Each E-eNodeB in step 3172, the E-eNodeB tabulation creates the cluster default bearer to the eMME transmission and sets up response and create dedicated bearing foundation response (Trunking Default Bearer SetupResponse and Trunking Dedicated Bearer setup Response (s)) message; Create the cluster default bearer and set up the E-eNodeB S1-TEID of the down link cluster default bearer that carries group number, E-eNodeB distribution in the response message, create the E-eNodeB S1-TEID that dedicated bearing is set up the down link cluster dedicated bearing that carries group number, E-eNodeB distribution in the response message.
After step 318, eMME receive the foundation response of establishment cluster default bearer and create dedicated bearing and set up response message, send the default bearer request of renewal cluster and create cluster dedicated bearing request (Update Trunking Default Bearer Request and Create Trunking Dedicated BearerRequest (s)) message to S-GW, set up the S1 carrying of down link cluster default bearer and cluster dedicated bearing.Upgrade the E-eNodeBS1-TEID that carries group number, down link cluster default bearer in the cluster default bearer request message; Create E-eNodeB S1-TEID, the E-eNodeB tabulation of carrying group number, down link cluster dedicated bearing in the cluster dedicated bearing request message.
After step 319, S-GW receive and upgrade cluster default bearer request and create cluster dedicated bearing request message, note the mapping relations of the E-eNodeB S1-TEID and the S-GW S1-TEID of line link cluster default bearer, and, confirm that the S1 carrying foundation of down link cluster default bearer is finished to eMME transmission renewal cluster default bearer request message (Update Trunking DefaultBearer Response) message.
So far, professional radio bearer and the S1 carrying foundation that receives the cluster default bearer of user terminal is finished.
Simultaneously, S-GW notes the E-eNodeB S1-TEID of line link cluster dedicated bearing and the mapping relations of S-GWS1-TEID, finishing the S1 carrying of down link cluster dedicated bearing sets up, and, send to eP-GW by creating cluster dedicated bearing request (Create Trunking Dedicated BearerResponse (s)) message at the S-GWS5/S8-TEID of each the E-eNodeB allocation of downlink cluster dedicated bearing in the E-eNodeB tabulation.
EP-GW notes the S-GW S5/S8-TEID of line link cluster dedicated bearing and the mapping relations of eP-GWS5/S8-TEID, finishes the S5/S8 carrying of down link cluster dedicated bearing and sets up.
Professional included radio bearer, S1 carrying and the S5/S8 carrying of cluster dedicated bearing that receives user terminal set up and finished.This group service session downlink bearing is set up and is finished.
At this moment, the foundation of group service sessions carry is finished in this group.
After professional reception user terminal was received the service informing informational message of E-eNodeB transmission, ring and display business sent user terminal number, group number, and group service session foundation is finished in this group.
In the communication process subsequently, for other E-eNodeB in the E-eNodeB tabulation, the cluster default bearer foundation response and the cluster dedicated bearing that receive these E-eNodeB transmissions as eMME are set up response message, and the user terminal of the reception of the business under these E-eNodeB immediately transmission service informing information is set up in the S1 carrying of finishing corresponding cluster default bearer and cluster dedicated bearing.
For professional receiving terminal, E-eNodeB arrives each professional receiving terminal by broadcast mode communicating downlink data.
In the present invention, eMME initiates the cluster default bearer according to the default QoS information of cluster, by the type of service and the predefined PPC rule of business transmission user terminal requests, sets up one or more cluster dedicated bearings.Not only the cluster default bearer can transmit multimedia data stream, and the cluster dedicated bearing also transmits multimedia data stream, thereby has satisfied the requirement of group inner multimedia business to bandwidth, speed, time delay and real-time, has guaranteed the real-time transmission of multimedia service.In addition, adopt the mode of parallel processing uplink signalling and downlink signaling in the technical scheme of the present invention, digital clustering communication system is professional user terminal and the professional user terminal Resources allocation that receives of sending simultaneously, has significantly reduced the time that the group service session is set up in the group.Thereby realized the real-time transmission of high-speed multimedia business in the group.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. realize the professional method that transmits in real time of wideband digital cluster group inner multimedia for one kind, it is characterized in that this method comprises:
A, the professional user terminal that sends is to network subsystem signalling of bouquet multimedia service request message, request sends multimedia service to designated group, network subsystem is by cluster default bearer qos parameter, the professional S5/S8 carrying that sends the enhancing base station E-eNodeB and up link and down link are set up in the E-eNodeB tabulation in group the cluster default bearer at user terminal place, obtain cluster dedicated bearing qos parameter by predefined strategy of type of service request and charging control PCC rule, and in group, initiate the foundation of cluster dedicated bearing, while execution in step B and step C according to cluster dedicated bearing qos parameter;
B, in up link, digital clustering communication system is according to cluster default bearer qos parameter, cluster dedicated bearing qos parameter and the professional E-eNodeb that sends the user terminal place, set up professional radio bearer and the S1 carrying that sends the cluster default bearer of user terminal, and professional radio bearer, the S1 carrying and S5/S8 carrying that sends the cluster dedicated bearing of user terminal;
C, in down link, digital clustering communication system receives user terminal for the business that belongs to same sub-district in this group service session, tabulation according to E-eNodeB composition in user place in cluster default bearer qos parameter, cluster dedicated bearing qos parameter and the group, set up professional radio bearer and the S1 carrying that receives the cluster default bearer of user terminal, and professional radio bearer, the S1 carrying and S5/S8 carrying that receives the cluster dedicated bearing of user terminal;
In D, the up link, send user terminal and multi-medium data is sent to enhanced packet data network gateway eP-GW place in the network subsystem by cluster default bearer and cluster dedicated bearing, in the down link, multimedia data stream is sent to professional receive user terminal by cluster dedicated bearing and cluster default bearer with multimedia data stream by the eP-GW place.
2. according to the professional method that transmits in real time of the described realization wideband digital of claim 1 cluster group inner multimedia, it is characterized in that,
In the described steps A, network subsystem further comprises after receiving described cluster multimedia service request message,
Network subsystem is to the described professional subscriber terminal authority that sends, and after described professional transmission subscriber terminal authority passed through, the S5/S8 that then sets up the cluster default bearer of described up link and down link carried; Otherwise, process ends.
3. according to the professional method that transmits in real time of the described realization wideband digital of claim 1 cluster group inner multimedia, it is characterized in that,
Further comprise before the described steps A, the described professional user terminal that sends judges whether self is in and network connection state, if the professional user terminal that sends is determined self to be in and network connection state, then directly the enhancement mode mobile management entity eMME in network subsystem sends described cluster multimedia service request message; Otherwise the described professional user terminal that sends is initiated random access procedure and radio resource control RRC connection procedure, sends described cluster multimedia service request message to eMME then.
4. according to the professional method that transmits in real time of the described realization wideband digital of claim 1 cluster group inner multimedia, it is characterized in that,
In the described steps A, the described S5/S8 that sets up the cluster default bearer of up link and down link carries, and initiates the foundation of described cluster dedicated bearing according to cluster dedicated bearing qos parameter in group, specifically comprises:
After eMME receives described cluster multimedia service request message, send professional E-eNodeb, E-eNodeB tabulation, type of service and the cluster default bearer qos parameter that sends the user terminal place to gateway S-GW;
S-GW is by cluster default bearer qos parameter Resources allocation, and, send E-eNodeB, E-eNodeb tabulation, cluster default bearer S-GW S5/S8-TEID, type of service and the cluster default bearer qos parameter at professional transmission user terminal place subsequently to eP-GW at the E-eNodeB at business transmission user terminal place and each E-eNodeB distribution cluster default bearer S-GWS5/S8-TEID in the E-eNodeB tabulation;
EP-GW is by cluster default bearer qos parameter Resources allocation, and at the E-eNodeB at business transmission user terminal place and each E-eNodeB distribution cluster default bearer eP-GWS5/S8-TEID in the E-eNodeB tabulation, eP-GW asks predefined strategy and charging control PCC rule by type of service to eHSS, and eP-GW is according to PCC regular allocation cluster dedicated bearing qos parameter, and, return cluster default bearer qos parameter to S-GW subsequently at the E-eNodeb at business transmission user terminal place and each E-eNodeb distribution cluster dedicated bearing eP-GW S5/S8-TEID in the E-eNodeb tabulation, cluster dedicated bearing qos parameter, cluster default bearer eP-GW S5/S8-TEID and cluster dedicated bearing eP-GWS5/S8-TEID;
The S-GW record traffic sends user terminal and the professional cluster default bearer S-GWS5/S8-TEID of user terminal and the mapping relations of eP-GW S5/S8-TEID of receiving, and the S5/S8 carrying of the cluster default bearer of described up link and down link is set up.
5. according to the professional method that transmits in real time of the described realization wideband digital of claim 1 cluster group inner multimedia, it is characterized in that,
Among the described step B, set up the radio bearer of described cluster default bearer and the radio bearer of cluster dedicated bearing and comprise,
EMME is sent to the professional E-eNodeB that sends the user terminal place with cluster default bearer qos parameter and cluster dedicated bearing qos parameter;
The professional E-eNodeB that sends the user terminal place is mapped as the radio bearer qos parameter respectively with cluster default bearer qos parameter and cluster dedicated bearing qos parameter, sets up the radio bearer of described cluster default bearer and the radio bearer of cluster dedicated bearing by the radio bearer qos parameter.
6. according to the professional method that transmits in real time of the described realization wideband digital of claim 1 cluster group inner multimedia, it is characterized in that,
In the described steps A, after the S5/S8 of the cluster default bearer of described up link and down link carrying is set up, also comprise
S-GW sends the E-eNodeB at user terminal place at business and each E-eNodeB in the E-eNodeB tabulation distributes cluster default bearer S-GW S1-TEID and cluster dedicated bearing S-GW S1-TEID, and cluster default bearer S-GW S1-TEID and cluster dedicated bearing S-GW S1-TEID are sent to eMME;
Among the described step B, set up the S1 carrying of described cluster default bearer, the S1 carrying of cluster dedicated bearing and the S5/S8 carrying of cluster dedicated bearing and comprise,
E-eNodeB sends cluster default bearer E-eNodeB S1-TEID and the cluster dedicated bearing E-eNodeB S1-TEID that self distributed to eMME;
EMME transmits cluster default bearer E-eNodeB S1-TEID and cluster dedicated bearing E-eNodeBS1-TEID to S-GW, the mapping relations of S-GW record clustering default bearer S-GW S1-TEID and E-eNodeBS1-TEID, the S1 carrying of described cluster default bearer is set up; The mapping relations of record clustering dedicated bearing S-GW S1-TEID and E-eNodeB S1-TEID, the S1 carrying of described cluster dedicated bearing is set up; S-GW distributes cluster dedicated bearing S-GW S5/S8-TEID at the E-eNodeB that business sends the user terminal place, and is sent to eP-GW;
The mapping relations of eP-GW record clustering dedicated bearing eP-GW S5/S8-TEID and S-GW S5/S8-TEID, the S5/S8 carrying of described cluster dedicated bearing is set up.
7. according to the professional method that transmits in real time of the described realization wideband digital of claim 1 cluster group inner multimedia, it is characterized in that,
Among the described step C, described foundation specifically comprises,
Each E-eNodeB signalling of bouquet default bearer qos parameter and the cluster dedicated bearing qos parameter of eMME in the E-eNodeB tabulation;
E-eNodeB distributes cluster default bearer radio bearer resources according to cluster default bearer qos parameter, and distribution cluster default bearer E-eNodeB S1-TEID, and according to cluster dedicated bearing qos parameter distribution cluster dedicated bearing radio bearer resources, and distribute cluster dedicated bearing E-eNodeB S1-TEID, be sent to eMME;
EMME transmits cluster default bearer E-eNodeB S1-TEID and cluster dedicated bearing E-eNodeB S1-TEID to S-GW, the mapping relations of S-GW record clustering default bearer S-GW S1-TEID and cluster default bearer E-eNodeB S1-TEID, the S1 carrying of described cluster default bearer is set up; The mapping relations of record clustering dedicated bearing S-GW S1-TEID and cluster dedicated bearing E-eNodeB S1-TEID, the S1 carrying of described cluster dedicated bearing is set up; And at each E-eNodeB distribution cluster dedicated bearing S-GW S5/S8-TEID in the E-eNodeB tabulation, and be sent to eP-GW;
EP-GW is by the mapping relations of cluster record clustering dedicated bearing eP-GW S5/S8-TEID and cluster dedicated bearing S-GW S5/S8-TEID, and the S5/S8 of described cluster dedicated bearing carries foundation.
8. according to the professional method that transmits in real time of the described realization wideband digital of claim 7 cluster group inner multimedia, it is characterized in that,
Behind described eMME each E-eNodeB signalling of bouquet default bearer qos parameter and cluster dedicated bearing qos parameter in the E-eNodeB tabulation, further comprise, E-eNodeB is mapped as the radio bearer qos parameter respectively with cluster default bearer qos parameter and cluster dedicated bearing qos parameter, shares Radio Resource by radio bearer qos parameter allocation of downlink;
The E-eNodeB informing business receives the down link that user terminal distributed and shares Radio Resource, finishes the radio bearer of described cluster default bearer and cluster dedicated bearing and sets up.
9. according to the professional method that transmits in real time of the described realization wideband digital of claim 1 cluster group inner multimedia, it is characterized in that,
After the described step C, further comprise before the described step D, determine that the cluster carrying of up link and down link is set up, specifically comprise:
EMME receives the affirmation message that the arbitrary E-eNodeB in the E-eNodeB tabulation returns, and described E-eNodeB sets up the professional S1 carrying that sends the cluster default bearer and the cluster dedicated bearing of user terminal with S-GW.
10. according to the professional method that transmits in real time of the described realization wideband digital of claim 9 cluster group inner multimedia, it is characterized in that,
After the cluster carrying foundation of described definite up link and down link, further comprise before the step D,
Network subsystem sends service authorization message to the described professional user terminal that sends, and sends service informing information to the described professional user terminal that receives.
11. according to the professional method that transmits in real time of any described realization wideband digital cluster group inner multimedia of claim 1 to 10, it is characterized in that,
Described step D specifically comprises, in the up link, the described professional E-eNodeB that user terminal is sent to multi-medium data by the radio bearer of cluster default bearer and cluster dedicated bearing professional transmission user terminal place that sends, multimedia data stream is sent to S-GW by the S1 carrying of cluster default bearer and cluster dedicated bearing, and the S5/S8 by cluster default bearer and cluster dedicated bearing carries the eP-GW place that is sent in the network subsystem again; In the down link, multimedia data stream is sent to S-GW by the S5/S8 carrying of cluster default bearer and cluster dedicated bearing, S1 carrying by cluster default bearer and cluster dedicated bearing is sent to each E-eNodeB in the E-eNodeB tabulation with multimedia data stream again, multimedia data stream is sent to the described professional user terminal that receives again.
12. according to the professional method that transmits in real time of the described realization wideband digital of claim 11 cluster group inner multimedia, it is characterized in that,
In the up link, when multimedia data stream is sent to eP-GW, eP-GW mapping and duplicate the multimedia data stream of receiving, in down link, eP-GW is sent to S-GW with the S5/S8 carrying of described multimedia data stream by described cluster dedicated bearing again.
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