CN101242581A - Mobile stream media managing method, system and device - Google Patents
Mobile stream media managing method, system and device Download PDFInfo
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- CN101242581A CN101242581A CNA2008100065299A CN200810006529A CN101242581A CN 101242581 A CN101242581 A CN 101242581A CN A2008100065299 A CNA2008100065299 A CN A2008100065299A CN 200810006529 A CN200810006529 A CN 200810006529A CN 101242581 A CN101242581 A CN 101242581A
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Abstract
The embodiment of the invention provides a management method, system and device of mobile streaming media. The method mainly includes transmitting service to the mobile terminal by using unicast data streaming, when the amount of the receiving unicast streaming mobile terminals becoming larger than the predetermined threshold, using the service of unicast data streaming transmitted by the broadcasting data streaming; or transmitting service to mobile terminal using broadcasting data streaming, when the amount of mobile terminals for receiving broadcasting data streaming becoming less than the predetermined threshold, using service of broadcasting data streaming transmitted by the unicast data streaming. The invetion realizes seamless switch between broadcast and unicast. The continuity of user feeling is ensured, and then invention greatly enhances application flexibility of user service and reasonably utilizes net sources.
Description
Technical field
The present invention relates to network communication field, relate in particular to a kind of management method, system and device of mobile flow medium.
Background technology
The television services of portable terminal is called the mobile video business of portable terminal again, is the service that presents TV programme by portable terminals such as mobile phones.The implementation of the television services of portable terminal mainly is divided into following three kinds:
(1) realizes based on DTB Digital Terrestrial Broadcasting
The mode of utilizing DTB Digital Terrestrial Broadcasting to realize, this mode is integrated Digital Television and mobile phone technology, by the microwave digital television receiver module is installed on portable terminal, makes the user directly obtain digital television signal without mobile communications network.
(2) realize based on satellite network
Based on the mode that satellite network is realized, this mode is that the digital signal of TV programme is broadcasted via satellite, receives this broadcasting by portable terminals such as mobile phones.This mode can fully satisfy the user receive the demand of TV under mobile environment in area very widely, but is subject to the transmitting power of satellite-signal, and this mode can't make the digital signal of the TV programme of broadcasting penetrate building to cover indoor.
(3) realize based on mobile communications network
A kind of is the point-to-point unicast stream medium technique mode of utilizing TCP (Transmission Control Protocol, transmission control protocol)/IP (Internet Protocol, Internet Protocol).This mode is utilized the stream media technology of mobile communications network, the television services of portable terminal is transmitted as a kind of data service, need not change the foundation structure of mobile communications network, utilize the availability of mobile communications network, characteristics such as coverage effect is good, implement more convenient, can also utilize the strong characteristics of communication network interaction capability to provide personalized more service simultaneously for the user.
A kind of solution of mobile flow medium is in the prior art: MBMS (MultimediaBroadcast/Multicast Service, the multi-medium broadcast/group broadcast service), MBMS is a kind of shared network resource transmits data to a plurality of targets by broadcast/group broadcast from a data source a technology.PSS (Packet-switched Streaming Service, packet switch stream media services), PSS are a kind of mobile network's unicast stream media services frameworks.
The shortcoming of the solution of above-mentioned mobile flow medium of the prior art is: above-mentioned PSS, MBMS are operation system independently, and the broadcast service data stream of the unicast service data flow of PSS issue and MBMS issue independently is transferred to the user respectively.Thereby cause the application of customer service dumb, user's use experience is not fine, and Internet resources can not obtain reasonable use.Such as, the broadcasting service that some MBMS push might not be a user preferences, user's click volume is low, thereby has wasted limited broadcast resource.Again such as, when certain professional number of users of program request on PSS is too much, will cause the resource anxiety of PSS, cause the user can not successfully receive business.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of management method, system and device of mobile flow medium, thereby the application that solves customer service in the existing scheme is dumb, and Internet resources can not obtain the problem of reasonable use.
The purpose of the embodiment of the invention is achieved through the following technical solutions:
A kind of management method of mobile flow medium comprises:
Use unicast data flow to portable terminal send professional, when the quantity of the portable terminal that receives described unicast data stream greater than predefined threshold values, then use broadcast data to flow to the business that portable terminal sends described unicast data stream;
Perhaps,
Use broadcast data flow to portable terminal send professional, when the quantity of the portable terminal that receives described broadcast data stream less than predefined threshold values, then use unicast data to flow to the business that portable terminal sends described broadcast data stream.
A kind of management system of mobile flow medium comprises:
The unicast service unit is used to use unicast data to flow to portable terminal and sends business, and adds up to have sent the quantity of the portable terminal of unicast data stream to it, and this quantity is passed to switch control unit;
The broadcasting service unit is used to use broadcast data to flow to portable terminal and sends business, and adds up to have sent the quantity of the portable terminal of broadcast data stream to it, and this quantity is passed to switch control unit;
Switch control unit, the quantity that is used for working as the portable terminal of judging the reception unicast data stream are then controlled the broadcasting service unit and are used broadcast data to flow to the business that portable terminal sends described unicast data stream greater than predefined threshold values;
When the quantity of the portable terminal that judge to receive broadcast data stream less than predefined threshold values, then control the unicast service unit and use unicast data to flow to the business that portable terminal sends described broadcast data stream.
A kind of portable terminal comprises:
The unicast communication unit is used to receive the business of using unicast data stream to send;
Broadcaster communications unit is used to receive the business of using broadcast data stream to send;
Switching treatmenting unit is used for finishing the handover operation between corresponding unicast communication unit and the broadcaster communications unit receiving the notification message that data flow is switched.
A kind of portable terminal comprises:
The unicast communication unit is used to receive the business of using unicast data stream to send;
Broadcaster communications unit is used to receive the business of using broadcast data stream to send;
Detect switch unit, when being used for receive using professional that unicast data stream sends in the unicast communication unit, detect broadcaster communications unit receive again use the business that broadcast data stream sends after, then control the unicast communication unit and stop to receive unicast data stream, and send and switch the notification message of finishing.
A kind of unicast service management system comprises:
The unicast service transmitting element is used to use unicast data to flow to portable terminal and sends business,
Clean culture portable terminal quantity statistics unit is used for accumulative total and has sent the quantity of the portable terminal of unicast data stream to it, with this quantity output;
The notification message transmitting element, the notification message that is used to adopt the mode of clean culture or sends switch data stream by RNC in the mode of broadcasting to the portable terminal of all reception unicast data stream respectively.
A kind of broadcast business management system comprises:
The broadcasting service transmitting element is used to use broadcast data to flow to portable terminal and sends business,
Broadcast mobile terminal quantity statistics unit is used for accumulative total and has sent the quantity of the portable terminal of broadcast data stream to it, with this quantity output;
The notification message transmitting element is used to adopt the mode of broadcasting to send the notification message that switch data flows respectively to the portable terminal that all receive broadcast data stream or unicast data stream.
A kind of switching control comprises:
Information receiving unit is used to receive the quantity of the portable terminal of the reception unicast data stream that the unicast service management system sends, the quantity of the portable terminal of the reception broadcast data stream that broadcast business management system sends;
Unicast to the broadcasting switch control unit, when being used for quantity when the portable terminal of judging the reception unicast data stream that described information receiving unit receives, then controlling and finish the handover operation that outputs to broadcast data stream output from unicast data stream between unicast service management system and the broadcast business management system greater than predefined threshold values;
Be broadcast to the clean culture switch control unit, when being used for quantity when the portable terminal of judging the reception broadcast data stream that described information receiving unit receives, then controlling and finish the handover operation that outputs to unicast data stream output from broadcast data stream between broadcast business management system and the unicast service management system less than predefined threshold values.
The technical scheme that is provided by the invention described above embodiment as can be seen, the embodiment of the invention can be according to the number of users of using unicast service and broadcasting service, between unicast service and unicast service, switch, thereby improved the application flexibility of customer service effectively, brought reasonable use experience to the user.And Internet resources have rationally been utilized.
Description of drawings
The structural representation of the management system of the mobile flow medium that Fig. 1 provides for the embodiment of the invention;
The structural representation of a kind of portable terminal that Fig. 2 provides for the embodiment of the invention;
The structural representation of the another kind of portable terminal that Fig. 3 provides for the embodiment of the invention;
The structural representation of the unicast service management system that Fig. 4 provides for the embodiment of the invention;
The structural representation of the broadcast business management system that Fig. 5 provides for the embodiment of the invention;
The structural representation of the switching control that Fig. 6 provides for the embodiment of the invention;
The cell-phone customer terminal that Fig. 7 provides for inventive embodiments is from the hand-off process flow chart of clean culture-broadcasting-clean culture;
Fig. 8 for when by radio network controller (RNC, Radio Network Controller) notice cell-phone customer terminal when clean culture flows to the switching of broadcasting stream, cell-phone customer terminal is from the hand-off process flow chart of clean culture-broadcasting-clean culture;
Fig. 9 is for when being finished by cell-phone customer terminal oneself when clean culture flows to the switching that broadcasting flows, and cell-phone customer terminal is from the hand-off process flow chart of clean culture-broadcasting-clean culture.
Embodiment
In embodiments of the present invention, send when professional when using unicast data to flow to portable terminal, accumulative total has received the quantity of the portable terminal of described unicast data stream, when described quantity during greater than predefined threshold values, then controls portable terminal and carries out data flow and switch.Stop the transmission of described unicast data stream, use broadcast data to flow to the business that portable terminal sends described unicast data stream.
Send when professional when using broadcast data to flow to portable terminal, accumulative total has received the quantity of the portable terminal of described broadcast data stream, when described quantity during less than predefined threshold values, then controls portable terminal and carries out data flow and switch.Stop the transmission of described broadcast data stream, use unicast data to flow to the business that portable terminal sends described broadcast data stream.
Describe the embodiment of the invention in detail below in conjunction with accompanying drawing.
The structural representation of the management system of the mobile flow medium that the embodiment of the invention provides comprises as shown in Figure 1 as lower module:
The unicast service unit is used to use unicast data to flow to portable terminal and sends business, and this unit can be PSS.Comprise: clean culture portable terminal quantity statistics module and notification message sending module.
Clean culture portable terminal quantity statistics module in the above-mentioned unicast service unit is used for the quantity that accumulative total has received the portable terminal of unicast data stream, and this quantity is passed to switch control unit;
Notification message sending module in the above-mentioned unicast service unit is used to adopt the mode of clean culture or respectively sends notification message that switch data flow in the mode of broadcasting to the portable terminal that all receive described unicast data stream by RNC.
The broadcasting service unit is used to use broadcast data to flow to portable terminal and sends business, and this unit can be MBMS.Comprise: broadcast mobile terminal quantity statistics module and notification message sending module.
Broadcast mobile terminal quantity statistics module in the above-mentioned broadcasting service unit is used for the quantity that accumulative total has received the portable terminal of broadcast data stream, and this quantity is passed to switch control unit;
Notification message sending module in the above-mentioned broadcasting service unit is used to adopt the mode of broadcasting to receive the notification message that described broadcast data stream sends switch data stream respectively to all.
Switch control unit, the quantity that is used for working as the portable terminal of judging the reception unicast data stream are then controlled the broadcasting service unit and are used broadcast data to flow to the business that portable terminal sends described unicast data stream greater than predefined threshold values.When the quantity of the portable terminal that judge to receive broadcast data stream less than predefined threshold values, then control the unicast service unit and use unicast data to flow to the business that portable terminal sends described broadcast data stream.Comprise: unicast to the broadcasting switch control unit and be broadcast to the clean culture switch control unit.
Unicast to the broadcasting switch control unit in the above-mentioned switch control unit, the quantity of portable terminal of unicast data stream that has been used to receive reception that the unicast service unit sends over, when judging this quantity greater than predefined threshold values, then control unicast service unit or broadcasting service unit and send the notification message that switch data flows to the portable terminal that all receive described unicast data stream, notice clean culture business unit stops the transmission of described unicast data stream, and the notification broadcast business unit uses broadcast data to flow to the business that portable terminal sends described unicast data stream; Perhaps, the notification broadcast business unit uses broadcast data to flow to the business that portable terminal sends described unicast data stream, after stopping of receiving that portable terminal returns sent the notification message of unicast data stream, notice clean culture business unit stopped to send described unicast data stream to this portable terminal;
Be broadcast to the clean culture switch control unit in the above-mentioned switch control unit, the quantity of portable terminal of broadcast data stream that has been used for reception that the receiving broadcast service unit sends over, when judging this quantity less than predefined threshold values, then the notification broadcast business unit sends the notification message that switch data flows to the portable terminal that all receive described broadcast data stream, the notification broadcast business unit stops the transmission of described broadcast data stream, and notice clean culture business unit uses unicast data to flow to the business that portable terminal sends described broadcast data stream.
As shown in Figure 1, same set of encoder can be shared in above-mentioned unicast service unit and broadcasting service unit, same content source, this encoder send to unicast service unit or broadcasting service unit after being used for the unicast data stream of outside or broadcast data stream carried out encoding process.
The structural representation of a kind of portable terminal that the embodiment of the invention provides comprises as shown in Figure 2 as lower module:
The unicast communication unit is used to receive the business of using unicast data stream to send;
Broadcaster communications unit is used to receive the business of using broadcast data stream to send;
Switch control unit is used for after receiving the notification message that unicasts to the broadcasting switching, and control unicast communication unit stops to receive unicast data stream, and the control broadcaster communications unit receives the business of the described unicast data stream of using the broadcast data stream transmission; Perhaps, after receiving the notification message that is broadcast to the clean culture switching, the control broadcaster communications unit stops to receive broadcast data stream, and control unicast communication unit receives the business of the described broadcast data stream that uses the unicast data stream transmission.
The data flow cache unit is used for unicast data stream and broadcast data stream that buffer memory respectively receives, comprises unicast data stream buffer area and broadcast data stream buffer area.
The structural representation of the another kind of portable terminal that the embodiment of the invention provides comprises as shown in Figure 3 as lower module:
The unicast communication unit is used to receive the business of using unicast data stream to send;
Broadcaster communications unit is used to receive the business of using broadcast data stream to send;
Detect switch unit, when being used for receive using professional that unicast data stream sends in the unicast communication unit, detect broadcaster communications unit receive again use the business that broadcast data stream sends after, then control the unicast communication unit and stop to receive unicast data stream, and send and switch the notification message of finishing.
The data flow cache unit is used for unicast data stream and broadcast data stream that buffer memory respectively receives.
The structural representation of the unicast service management system that the embodiment of the invention provides comprises as shown in Figure 4 as lower module:
The unicast service transmitting element is used to use unicast data to flow to portable terminal and sends business,
Clean culture portable terminal quantity statistics unit is used for accumulative total and has sent the quantity of the portable terminal of unicast data stream to it, with this quantity output;
The notification message transmitting element, the notification message that is used to adopt the mode of clean culture or sends switch data stream by RNC in the mode of broadcasting to the portable terminal of all reception unicast data stream respectively.
The structural representation of the broadcast business management system that the embodiment of the invention provides comprises as shown in Figure 5 as lower module:
The broadcasting service transmitting element is used to use broadcast data to flow to portable terminal and sends business,
Broadcast mobile terminal quantity statistics unit is used for accumulative total and has sent the quantity of the portable terminal of broadcast data stream to it, with this quantity output;
The notification message transmitting element is used to adopt the mode of broadcasting to send the notification message that switch data flows respectively to the portable terminal that all receive broadcast data stream or unicast data stream.
The structural representation of the switching control that the embodiment of the invention provides comprises as shown in Figure 6 as lower module:
Information receiving unit is used to receive the quantity of the portable terminal of the reception unicast data stream that the unicast service management system sends, the quantity of the portable terminal of the reception broadcast data stream that broadcast business management system sends;
Unicast to the broadcasting switch control unit, when being used for quantity when the portable terminal of judging the reception unicast data stream that described information receiving unit receives, then controlling and finish the handover operation that outputs to broadcast data stream output from unicast data stream between unicast service management system and the broadcast business management system greater than predefined threshold values;
Be broadcast to the clean culture switch control unit, when being used for quantity when the portable terminal of judging the reception broadcast data stream that described information receiving unit receives less than predefined threshold values, then the notification broadcast business unit sends the notification message that switch data flows to the portable terminal that all receive described broadcast data stream, the notification broadcast business unit stops the transmission of described broadcast data stream, and notice clean culture business unit uses unicast data to flow to the business that portable terminal sends described broadcast data stream.
The described broadcasting switch control unit that unicasts to specifically comprises:
First switch control unit, be used to control unicast service unit or broadcasting service unit send notification message from switch data stream to all portable terminals that receive described unicast data stream, notice clean culture business unit stops the transmission of described unicast data stream, and the notification broadcast business unit uses broadcast data to flow to the business that portable terminal sends described unicast data stream;
Second switch control unit, being used for the notification broadcast business unit uses broadcast data to flow to the business that portable terminal sends described unicast data stream, after stopping of receiving that portable terminal returns sent the notification message of unicast data stream, notice clean culture business unit stopped to send described unicast data stream to this portable terminal;
Be PSS with the unicast service below, broadcasting service is MBMS, is that cell-phone customer terminal is an example with the portable terminal, and the embodiment of the invention is described.
The cell-phone customer terminal that embodiment one, this embodiment provide comprises the steps: from the hand-off process flow process of clean culture-broadcasting-clean culture as shown in Figure 7
Step 71, startup switch control unit, decision is by the request program of a clean culture class of PSS server issue, the attribute of this program be described to " clean culture class program; and can freely switch class with broadcast program ", the URL of this program issue is designated the URL that clean culture, broadcasting mix, as rtsp: //UnicastServerIP:Port/BroadcastServerIP:Port/termianltype/* .3gp/rtsp2.0;
Step 72, PSS server receive the data flow from the above-mentioned request program of encoder.
Step 73, PSS server send to cell-phone customer terminal with the information of above-mentioned request program.
Step 74, cell-phone customer terminal are after receiving a programme information, at first check the attribute of this program, if broadcast type program, then the relevant information that carries according to programme attribute (as the IP address, port numbers, reproduction time etc. of broadcasting) directly starts the data flow that related port receives this broadcast type program.
In the present embodiment, after cell-phone customer terminal received the above-mentioned request program of PSS server issue, the attribute that views above-mentioned request program was " clean culture class program, and can freely switch class with broadcast program ", then enters step 75.
Step 75, cell-phone customer terminal are by RTSP (Real-Time Streaming Protocol, real-time streaming protocol) sends business request information to switch control unit, above-mentioned request program is watched in request, carries correlation energy force characteristic (as whether the supporting broadcast characteristic) information of cell-phone customer terminal in the above-mentioned business request information.
After step 76, switch control unit receive above-mentioned business request information, cell-phone customer terminal is authenticated, after authentication is passed through, send professional response message to cell-phone customer terminal according to the information such as correlation energy force characteristic of cell-phone customer terminal.
Step 77, cell-phone customer terminal begin to receive from the PSS server data flow of above-mentioned request program, and watch above-mentioned request program after receiving the professional response message that switch control unit returns.
And what the PSS server will add up has the broadcast reception ability and is using clean culture to watch the number of users of program to add one.
Step 78, switch control unit receive the broadcast reception ability being arranged and using clean culture to watch the number of users of program of above-mentioned accumulative total that the PSS server sends, and detect this number of users and reach preset threshold.
Step 79, switch control unit send handoff notification message to the PSS server, tell the PSS server notification broadcast reception ability being arranged and using clean culture to watch the cell-phone customer terminal of program to prepare switch data stream of program request on this server.
The PSS server can come in point-to-point mode by the rtsp message of expansion, poll notice cell-phone customer terminal switches, the rtsp message of this expansion can be rtsp: //BroadcastIP:Port/ClientIP, the IP address of the IP address that BroadcastIP:Port represents to broadcast, port etc., ClientIP sign cell-phone customer terminal.After cell-phone customer terminal receives the rtsp message of this expansion, to PSS server echo reply message.Then, cell-phone customer terminal promptly begins to intercept Broadcast Port, prepares to receive broadcast data stream.
The BM-SC of step 710, switch control unit notifying MBMS service (broadcast/multi broadcast business center) starts broadcasting service, and prepares from the encoder receiving data stream.
Step 711, BM-SC successfully start broadcasting service, receive the real time data stream from encoder, by RNC this data flow are propagated through wireless network with broadcast mode.
After step 712, cell-phone customer terminal receive above-mentioned broadcast data stream from Broadcast Port, deposit broadcast data stream in broadcasting buffering area (buffering areas different) with unicast data stream.Cell-phone customer terminal need judge that needs switch buffering area according to the conditions such as crucial I frame in the broadcast data stream, and switches to the broadcasting buffering area from the clean culture buffering area.
Step 713, after success switches to broadcasting by clean culture, cell-phone customer terminal has received new data flow by RTSP message informing PSS server, this RTSP message can be rtsp: //ServerIP:Port/*.3gp/rtsp/1.0.After the PSS server receives this RTSP message, stop to send unicast data stream to this cell-phone customer terminal.
Step 714, after cell-phone customer terminal successfully receives broadcast data, base station side at cell-phone customer terminal, by existing related procedure (being the relevant existing normalized definition of MBMS) based on mobile multicast or broadcast system, the online user number of using broadcasting to current different channel adds up, and the numerical value of accumulative total sent to switch control unit by RNC (Radio Network Controller, radio network controller).RNC can by business side definition based on HTTP (Hypertext TransferProtocol, HTML (Hypertext Markup Language)) or the message of XML (Extensible Markup Language, extend markup language) numerical value of above-mentioned accumulative total is reported switch control unit.
Step 715, detect above-mentioned accumulative total when switch control unit the user's numerical value that uses broadcasting seldom, when being lower than specified threshold value, then switch control unit sends the notification message that broadcasting is switched to clean culture to RNC, and the relevant information of transmission clean culture program is to RNC.Switch control unit can also know that the relevant information of message and clean culture program sends to the server of MBMS business earlier with above-mentioned, and the server of MBMS business knows that with above-mentioned the relevant information of message and clean culture program is transmitted to RNC again.
After RNC receives this notification message, on eating dishes without rice or wine, stop to play above-mentioned broadcast data stream.Then, control each base station by in-band signalling RTSP/RTP/RTCP or air protocol signaling, notify all using the cell-phone customer terminal of broadcasting to switch to clean culture by broadcasting, the relevant information of the clean culture program that RNC also sends over above-mentioned switch control unit sends to cell-phone customer terminal.
After step 716, cell-phone customer terminal receive that the broadcasting of RNC transmission switches to the notice of clean culture, just start the request of unicast service according to the relevant information of above-mentioned clean culture program, receive unicast data stream from corresponding PSS server, finish from being broadcast to the seamless switching of clean culture.
In this embodiment, when realizing cell-phone customer terminal from the business switching of broadcasting-clean culture-broadcasting, the BM-SC of MBMS business at first sends broadcast data stream by RNC to cell-phone customer terminal, and RNC adds up the online user number of using broadcasting of current different channel, and the numerical value that adds up is sent to switch control unit.When switch control unit detects numerical value that above-mentioned RNC sends over and is lower than specified threshold value, just the server to the MBMS business sends the notification message that broadcasting is switched to clean culture, and the server of MBMS business sends the notification message that broadcasting is switched to clean culture to RNC again.Switch control unit can also directly send to RNC with above-mentioned notification message.RNC controls each base station and notifies each cell-phone customer terminal to be broadcast to the switching of clean culture in the mode of broadcasting.Then, each cell-phone customer terminal receives unicast data stream from the PSS server, then, each cell-phone customer terminal receives unicast data stream from the PSS server, what the PSS server will add up has the broadcast reception ability and is using clean culture to watch the number of users of program to send to switch control unit, after switch control unit detects number of users that the PSS server sends and reaches preset threshold, send handoff notification message to the PSS server, the PSS server reinforms the switching that all cell-phone customer terminals unicast to broadcasting.
In the handling process of the foregoing description one, administrator just specifies is provided with the threshold value of switching, just can realize freely switching between unicast service, the broadcasting service, has ensured the continuity of user experience, has reached the optimal utilization of resource.
Embodiment two, many when the quantity of portable terminal, and PSS server limited empty resource is when also very nervous, above-mentioned notification procedure will consume a long time, bring poor experience to the user.Therefore, in actual applications, can also send handoff notification message to RNC by the PSS server, the RNC all cell-phone customer terminals of broadcast announcement again unicasts to the switching of broadcasting.
When by RNC notice cell-phone customer terminal when clean culture flows to the switching of broadcasting stream, cell-phone customer terminal comprises the steps: from the hand-off process flow process of clean culture-broadcasting-clean culture as shown in Figure 8
Step 81, startup switch control unit, decision is by the request program of a clean culture class of PSS server issue, the attribute of this program be described to " clean culture class program; and can freely switch class with broadcast program ", the URL of this program issue is designated the URL that clean culture, broadcasting mix, as rtsp: //UnicastServerIP:Port/BroadcastServerIP:Port/termianltype/* .3gp/rtsp2.0;
Step 82, PSS server receive the data flow from the above-mentioned request program of encoder.
Step 83, PSS server send to cell-phone customer terminal with the information of above-mentioned request program.
Step 84, cell-phone customer terminal are after receiving a programme information, at first check the attribute of this program, if broadcast type program, then the relevant information that carries according to programme attribute (as the IP address, port numbers, reproduction time etc. of broadcasting) directly starts the data flow that related port receives this broadcast type program.
In the present embodiment, after cell-phone customer terminal received the above-mentioned request program of PSS server issue, the attribute that views above-mentioned request program was " clean culture class program, and can freely switch class with broadcast program ", then enters step 85.
Step 85, cell-phone customer terminal send business request information by RTSP to switch control unit, and above-mentioned request program is watched in request, carry correlation energy force characteristic (as whether the supporting broadcast characteristic) information of cell-phone customer terminal in the above-mentioned business request information.
After step 86, switch control unit receive above-mentioned business request information, cell-phone customer terminal is authenticated, after authentication is passed through, send professional response message to cell-phone customer terminal according to the information such as correlation energy force characteristic of cell-phone customer terminal.
Step 87, cell-phone customer terminal begin to receive from the PSS server data flow of above-mentioned request program, and watch above-mentioned request program after receiving the professional response message that switch control unit returns.
And what the PSS server will add up has the broadcast reception ability and is using clean culture to watch the number of users of program to add one.
Step 88, switch control unit receive the broadcast reception ability being arranged and using clean culture to watch the number of users of program of above-mentioned accumulative total that the PSS server sends, and detect this number of users and reach preset threshold.
Step 89, switch control unit send handoff notification message to the PSS server, tell the PSS server notification broadcast reception ability being arranged and using clean culture to watch the cell-phone customer terminal of program to prepare switch data stream of program request on this server.
The above-mentioned handoff notification message that the PSS server will receive again sends to RNC, tells the RNC notice broadcast reception ability being arranged and using clean culture to watch the cell-phone customer terminal of program to prepare switch data stream of program request on this PSS server.After RNC receives above-mentioned handoff notification message, control each base station again, notify all cell-phone customer terminals to unicast to the switching of broadcasting by in-band signalling RTSP/RTP/RTCP or air protocol signaling.On specific implementation, need expand existing in-band signalling RTSP/RTP/RTCP or air protocol signaling.When the quantity of the cell-phone customer terminal of certain base stations control was many, this base station can adopt the mode of point-to-point to notify each cell-phone customer terminal of its control; When the quantity of the cell-phone customer terminal of certain base stations control was many, this base station can adopt the mode of broadcasting to notify each cell-phone customer terminal of its control.
The BM-SC of step 810, switch control unit notifying MBMS service starts broadcasting service, and prepares from the encoder receiving data stream.
Step 811, BM-SC successfully start broadcasting service, receive the real time data stream from encoder, and this data flow is propagated through wireless network with broadcast mode.
After step 812, cell-phone customer terminal receive above-mentioned broadcast data stream from Broadcast Port, deposit broadcast data stream in broadcasting buffering area (buffering areas different) with unicast data stream.Cell-phone customer terminal need judge that needs switch buffering area according to the conditions such as crucial I frame in the broadcast data stream, and switches to the broadcasting buffering area from the clean culture buffering area.
Step 813, after success switches to broadcasting by clean culture, cell-phone customer terminal has received new data flow by RTSP message informing PSS server, this RTSP message can be rtsp: //ServerIP:Port/*.3gp/rtsp/1.0.After the PSS server receives this RTSP message, stop to send unicast data stream to this cell-phone customer terminal.
Step 814, after cell-phone customer terminal successfully receives broadcast data, base station side at cell-phone customer terminal, by existing related procedure (being the relevant existing normalized definition of MBMS) based on mobile multicast or broadcast system, the online user number of using broadcasting to current different channel adds up, and the numerical value of accumulative total is sent to switch control unit by RNC.RNC can be by business side definition based on the message of HTTP or XML the numerical value of above-mentioned accumulative total is reported switch control unit.
Step 815, detect above-mentioned accumulative total when switch control unit the user's numerical value that uses broadcasting seldom, when being lower than specified threshold value, then switch control unit sends the notification message that broadcasting is switched to clean culture to RNC, and the relevant information of transmission clean culture program is to RNC.Switch control unit can also know that the relevant information of message and clean culture program sends to the server of MBMS business earlier with above-mentioned, and the server of MBMS business knows that with above-mentioned the relevant information of message and clean culture program is transmitted to RNC again.
After RNC receives this notification message, on eating dishes without rice or wine, stop to play above-mentioned broadcast data stream.Then, by in-band signalling RTSP/RTP/RTCP or air protocol signaling, notify all using the cell-phone customer terminal of broadcasting to switch to clean culture by broadcasting, the relevant information of the clean culture program that RNC also sends over above-mentioned switch control unit sends to cell-phone customer terminal.
After step 816, cell-phone customer terminal receive that the broadcasting of RNC transmission switches to the notice of clean culture, just start the request of unicast service according to the relevant information of above-mentioned clean culture program, receive unicast data stream from corresponding PSS server, finish from being broadcast to the seamless switching of clean culture.
In this embodiment, when realizing cell-phone customer terminal from the business switching of broadcasting-clean culture-broadcasting, the BM-SC of MBMS business at first sends broadcast data stream by RNC to cell-phone customer terminal, and RNC adds up the online user number of using broadcasting of current different channel, and the numerical value that adds up is sent to switch control unit.When switch control unit detects numerical value that above-mentioned RNC sends over and is lower than specified threshold value, just broadcast the notification message that switches to clean culture by the server or direct the transmission to RNC of MBMS business, RNC controls each base station and notifies each cell-phone customer terminal to be broadcast to the switching of clean culture in the mode of broadcasting.Then, each cell-phone customer terminal receives unicast data stream from the PSS server, what the PSS server will add up has the broadcast reception ability and is using clean culture to watch the number of users of program to send to switch control unit, after switch control unit detects number of users that the PSS server sends and reaches preset threshold, send handoff notification message to the PSS server, the above-mentioned handoff notification message that the PSS server will receive again sends to RNC, after RNC receives above-mentioned handoff notification message, control each base station again by in-band signalling RTSP/RTP/RTCP or air protocol signaling, all cell-phone customer terminals of broadcast announcement unicast to the switching of broadcasting.
The handling process of the foregoing description two can make full use of the broadcast characteristic of RNC, and fast notification user carries out fast, shortens switching time, thereby reduces network load.
Embodiment three, in actual applications can also finish the switching that unicasts to broadcasting by cell-phone customer terminal oneself by detecting, judging by cell-phone customer terminal under the situation that does not receive handoff notification message.
When being finished by cell-phone customer terminal oneself when clean culture flows to the switching of broadcasting stream, cell-phone customer terminal from the hand-off process flow process of clean culture-broadcasting-clean culture as shown in Figure 9.
Step 91, startup switch control unit, decision is by the request program of a clean culture class of PSS server issue, and the attribute of this program is described to " clean culture class program, and can freely switch class with broadcast program ", the URL of this program issue is designated the URL of clean culture, broadcasting mixing, as
rtsp://UnicastServerIP:Port/BroadcastServerIP:Port/termianltype/*.3gp/rtsp2.0；
Step 92, PSS server receive the data flow from the above-mentioned request program of encoder.
Step 93, PSS server send to cell-phone customer terminal with the information of above-mentioned request program.
Step 94, cell-phone customer terminal are after receiving a programme information, at first check the attribute of this program, if broadcast type program, then the relevant information that carries according to programme attribute (as the IP address, port numbers, reproduction time etc. of broadcasting) directly starts the data flow that related port receives this broadcast type program.
In the present embodiment, after cell-phone customer terminal received the above-mentioned request program of PSS server issue, the attribute that views above-mentioned request program was " clean culture class program, and can freely switch class with broadcast program ", then enters step 95.
Step 95, cell-phone customer terminal send business request information by RTSP to switch control unit, and above-mentioned request program is watched in request, carry correlation energy force characteristic (as whether the supporting broadcast characteristic) information of cell-phone customer terminal in the above-mentioned business request information.
After step 96, switch control unit receive above-mentioned business request information, cell-phone customer terminal is authenticated, after authentication is passed through, send professional response message to cell-phone customer terminal according to the information such as correlation energy force characteristic of cell-phone customer terminal.
Step 97, cell-phone customer terminal begin to receive from the PSS server data flow of above-mentioned request program, and watch above-mentioned request program after receiving the professional response message that switch control unit returns.
And what the PSS server will add up has the broadcast reception ability and is using clean culture to watch the number of users of program to add one.
Step 98, switch control unit receive the broadcast reception ability being arranged and using clean culture to watch the number of users of program of above-mentioned accumulative total that the PSS server sends, and detect this number of users and reach preset threshold.
Step 99, switch control unit send the BM-SC of handoff notification message to the MBMS business, and the BM-SC of notifying MBMS service starts broadcasting service, and prepare from the encoder receiving data stream.
Step 910, BM-SC successfully start broadcasting service, receive the real time data stream from encoder, and this data flow is propagated through wireless network with broadcast mode.
Step 911, after using clean culture to watch the cell-phone customer terminal of program simultaneously to receive above-mentioned broadcast data stream from Broadcast Port again, deposit broadcast data stream in broadcasting buffering area (buffering areas different) with unicast data stream, when the broadcast data stream of buffer memory reaches pre-set threshold, then cell-phone customer terminal unicasts to the switching of broadcasting, and switches to the broadcasting buffering area from the clean culture buffering area.
Step 912, after success switches to broadcasting by clean culture, cell-phone customer terminal has received new data flow by RTSP message informing PSS server, this RTSP message can be rtsp: //ServerIP:Port/*.3gp/rtsp/1.0.After the PSS server receives this RTSP message, stop to send unicast data stream to this cell-phone customer terminal.
Step 913, after cell-phone customer terminal successfully receives broadcast data, base station side at cell-phone customer terminal, by existing related procedure (being the relevant existing normalized definition of MBMS) based on mobile multicast or broadcast system, the online user number of using broadcasting to current different channel adds up, and the numerical value of accumulative total is sent to switch control unit by RNC.RNC can be by business side definition based on the message of HTTP or XML the numerical value of above-mentioned accumulative total is reported switch control unit.
Step 914, detect above-mentioned accumulative total when switch control unit the user's numerical value that uses broadcasting seldom, when being lower than specified threshold value, then switch control unit sends the notification message that broadcasting is switched to clean culture to RNC, and the relevant information of transmission clean culture program is to RNC.Switch control unit can also know that the relevant information of message and clean culture program sends to the server of MBMS business earlier with above-mentioned, and the server of MBMS business knows that with above-mentioned the relevant information of message and clean culture program is transmitted to RNC again.
After RNC receives this notification message, on eating dishes without rice or wine, stop to play above-mentioned broadcast data stream.Then, by in-band signalling RTSP/RTP/RTCP or air protocol signaling, notify all using the cell-phone customer terminal of broadcasting to switch to clean culture by broadcasting, the relevant information of the clean culture program that RNC also sends over above-mentioned switch control unit sends to cell-phone customer terminal.
After step 915, cell-phone customer terminal receive that the broadcasting of RNC transmission switches to the notice of clean culture, just start the request of unicast service according to the relevant information of above-mentioned clean culture program, receive unicast data stream from corresponding PSS server, finish from being broadcast to the seamless switching of clean culture.
In this embodiment, when realizing cell-phone customer terminal from the business switching of broadcasting-clean culture-broadcasting, the BM-SC of MBMS business at first sends broadcast data stream by RNC to cell-phone customer terminal, and RNC adds up the online user number of using broadcasting of current different channel, and the numerical value that adds up is sent to switch control unit.When switch control unit detects numerical value that above-mentioned RNC sends over and is lower than specified threshold value, just the server to the MBMS business sends the notification message that broadcasting is switched to clean culture, and the server of MBMS business sends the notification message that broadcasting is switched to clean culture to RNC again.Switch control unit can also directly send the notification message that broadcasting is switched to clean culture to RNC.RNC controls each base station and notifies each cell-phone customer terminal to be broadcast to the switching of clean culture in the mode of broadcasting.Then, each cell-phone customer terminal receives unicast data stream from the PSS server, what the PSS server will add up has the broadcast reception ability and is using clean culture to watch the number of users of program to send to switch control unit, after switch control unit detects number of users that the PSS server sends and reaches preset threshold, send the BM-SC of handoff notification message to the MBMS business, notice BM-SC starts broadcasting service, and BM-SC propagates with broadcast mode data flow through wireless network.After using clean culture to watch the cell-phone customer terminal of program to receive above-mentioned broadcast data stream from Broadcast Port again simultaneously, deposit broadcast data stream in the broadcasting buffering area, when the broadcast data stream of buffer memory reaches pre-set threshold, then cell-phone customer terminal unicasts to the switching of broadcasting, and notify the PSS server to receive new data flow, the PSS server stops to send unicast data stream to this cell-phone customer terminal.
The handling process of the foregoing description three is to the bearer network no requirement (NR), and the special processing by cell-phone customer terminal realizes seamless detection and reception, the realization of broadcast data stream and unicast data stream are flow to the seamless quick switching that broadcasting is flowed from clean culture.
In sum, the embodiment of the invention can be switched between unicast service and unicast service according to the number of users of using unicast service and broadcasting service, realizes the seamless switching between broadcasting and the clean culture.Thereby ensured the continuity of user experience, improved the application flexibility of customer service effectively, brought reasonable use experience to the user.And rationally utilized Internet resources, reduced the high load capacity that brings that a large amount of unicast user are given bearer network effectively, avoided the wasting of resources of broadcasting user at customer volume hour.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (19)
1, a kind of management method of mobile flow medium is characterized in that, comprising:
Use unicast data flow to portable terminal send professional, when the quantity of the portable terminal that receives described unicast data stream greater than predefined threshold values, then use broadcast data to flow to the business that portable terminal sends described unicast data stream;
Perhaps,
Use broadcast data flow to portable terminal send professional, when the quantity of the portable terminal that receives described broadcast data stream less than predefined threshold values, then use unicast data to flow to the business that portable terminal sends described broadcast data stream.
2, the management method of mobile flow medium according to claim 1, it is characterized in that, the described quantity of the portable terminal that receives described unicast data stream of working as is greater than predefined threshold values, then use broadcast data to flow to the process that portable terminal sends the business of described unicast data stream, specifically comprise:
Accumulative total has received the quantity of portable terminal of described unicast data stream, when described quantity during greater than predefined threshold values, then sends the notification message of switch data stream to all portable terminals that receive described unicast data stream;
Stop the transmission of described unicast data stream, use broadcast data to flow to the business that portable terminal sends described unicast data stream.
3, the management method of mobile flow medium according to claim 2 is characterized in that, described notification messages that send switch data stream to all portable terminals that receive described unicast data stream specifically comprise:
Use mode of unicast or broadcast mode to send the notification message that switch data flows to the portable terminal that all receive described unicast data stream.
4, the management method of mobile flow medium according to claim 1, it is characterized in that, the described quantity of the portable terminal that receives described unicast data stream of working as is greater than predefined threshold values, then use broadcast data to flow to the process that portable terminal sends the business of described unicast data stream, specifically comprise:
Accumulative total has received the quantity of portable terminal of described unicast data stream, when described quantity during greater than predefined threshold values, uses broadcast data to flow to the business that all portable terminals that receive described unicast data stream send described unicast data stream;
After stopping of receiving that portable terminal returns sends the notification message of unicast data stream, stop to send described unicast data stream to this portable terminal.
5, the management method of mobile flow medium according to claim 1, it is characterized in that, the described quantity of the portable terminal that receives described broadcast data stream of working as is less than predefined threshold values, then use unicast data to flow to the process that portable terminal sends the business of described broadcast data stream, specifically comprise:
Accumulative total has received the quantity of portable terminal of described broadcast data stream, when described quantity during less than predefined threshold values, then sends the notification message of switch data stream to all portable terminals that receive described broadcast data stream;
Stop the transmission of described broadcast data stream, use unicast data to flow to the business that portable terminal sends described broadcast data stream.
6, a kind of management system of mobile flow medium is characterized in that, comprising:
The unicast service unit is used to use unicast data to flow to portable terminal and sends business, and adds up to have sent the quantity of the portable terminal of unicast data stream to it, and this quantity is passed to switch control unit;
The broadcasting service unit is used to use broadcast data to flow to portable terminal and sends business, and adds up to have sent the quantity of the portable terminal of broadcast data stream to it, and this quantity is passed to switch control unit;
Switch control unit, the quantity that is used for working as the portable terminal of judging the reception unicast data stream are then controlled the broadcasting service unit and are used broadcast data to flow to the business that portable terminal sends described unicast data stream greater than predefined threshold values;
When the quantity of the portable terminal that judge to receive broadcast data stream less than predefined threshold values, then control the unicast service unit and use unicast data to flow to the business that portable terminal sends described broadcast data stream.
7, the management system of mobile flow medium according to claim 6 is characterized in that, described switch control unit specifically comprises:
Unicast to the broadcasting switch control unit, when being used for quantity when the portable terminal that judge to receive unicast data stream greater than predefined threshold values, then control unicast service unit or broadcasting service unit and send the notification message that switch data flows to the portable terminal that all receive described unicast data stream, notice clean culture business unit stops the transmission of described unicast data stream, and the notification broadcast business unit uses broadcast data to flow to the business that portable terminal sends described unicast data stream; Perhaps, the notification broadcast business unit uses broadcast data to flow to the business that portable terminal sends described unicast data stream, after stopping of receiving that portable terminal returns sent the notification message of unicast data stream, notice clean culture business unit stopped to send described unicast data stream to this portable terminal;
Be broadcast to the clean culture switch control unit, when being used for quantity when the portable terminal that judge to receive broadcast data stream less than predefined threshold values, then the notification broadcast business unit sends the notification message that switch data flows to the portable terminal that all receive described broadcast data stream, the notification broadcast business unit stops the transmission of described broadcast data stream, and notice clean culture business unit uses unicast data to flow to the business that portable terminal sends described broadcast data stream.
8, the management system of mobile flow medium according to claim 7 is characterized in that, described unicast service unit specifically comprises:
Clean culture portable terminal quantity statistics module is used for accumulative total and has sent the quantity of the portable terminal of unicast data stream to it, and this quantity is passed to switch control unit;
The notification message sending module, the notification message that is used to adopt the mode of clean culture or sends switch data stream by radio network controller (RNC) in the mode of broadcasting to the portable terminal of all reception unicast data stream respectively.
9, the management system of mobile flow medium according to claim 7 is characterized in that, described broadcasting service unit specifically comprises:
Broadcast mobile terminal quantity statistics module is used for accumulative total and has sent the quantity of the portable terminal of broadcast data stream to it, and this quantity is passed to switch control unit;
The notification message sending module is used to adopt the mode of broadcasting to send the notification message that switch data flows respectively to the portable terminal that all receive broadcast data stream or unicast data stream.
10, a kind of portable terminal is characterized in that, comprising:
The unicast communication unit is used to receive the business of using unicast data stream to send;
Broadcaster communications unit is used to receive the business of using broadcast data stream to send;
Switching treatmenting unit is used for finishing the handover operation between corresponding unicast communication unit and the broadcaster communications unit receiving the notification message that data flow is switched.
11, portable terminal according to claim 10 is characterized in that, described switching treatmenting unit specifically comprises:
Unicast to the broadcasting switch unit, be used for after receiving the notification message that unicasts to the broadcasting switching, control unicast communication unit stops to receive unicast data stream, and the control broadcaster communications unit receives the business of the described unicast data stream of using the broadcast data stream transmission;
Be broadcast to the clean culture switch unit, be used for after receiving the notification message that is broadcast to the clean culture switching, the control broadcaster communications unit stops to receive broadcast data stream, and control unicast communication unit receives the business of the described broadcast data stream that uses the unicast data stream transmission.
12, according to claim 10 or 11 described portable terminals, it is characterized in that described portable terminal also comprises:
The data flow cache unit is used for unicast data stream and broadcast data stream that buffer memory respectively receives.
13, a kind of portable terminal is characterized in that, comprising:
The unicast communication unit is used to receive the business of using unicast data stream to send;
Broadcaster communications unit is used to receive the business of using broadcast data stream to send;
Detect switch unit, when being used for receive using professional that unicast data stream sends in the unicast communication unit, detect broadcaster communications unit receive again use the business that broadcast data stream sends after, then control the unicast communication unit and stop to receive unicast data stream, and send and switch the notification message of finishing.
14, portable terminal according to claim 13 is characterized in that, described portable terminal also comprises:
The data flow cache unit is used for unicast data stream and broadcast data stream that buffer memory respectively receives.
15, a kind of unicast service management system is characterized in that, comprising:
The unicast service transmitting element is used to use unicast data to flow to portable terminal and sends business,
Clean culture portable terminal quantity statistics unit is used for accumulative total and has sent the quantity of the portable terminal of unicast data stream to it, with this quantity output;
The notification message transmitting element, the notification message that is used to adopt the mode of clean culture or sends switch data stream by RNC in the mode of broadcasting to the portable terminal of all reception unicast data stream respectively.
16, a kind of broadcast business management system is characterized in that, comprising:
The broadcasting service transmitting element is used to use broadcast data to flow to portable terminal and sends business,
Broadcast mobile terminal quantity statistics unit is used for accumulative total and has sent the quantity of the portable terminal of broadcast data stream to it, with this quantity output;
The notification message transmitting element is used to adopt the mode of broadcasting to send the notification message that switch data flows respectively to the portable terminal that all receive broadcast data stream or unicast data stream.
17, a kind of switching control is characterized in that, comprising:
Information receiving unit is used to receive the quantity of the portable terminal of the reception unicast data stream that the unicast service management system sends, the quantity of the portable terminal of the reception broadcast data stream that broadcast business management system sends;
Unicast to the broadcasting switch control unit, when being used for quantity when the portable terminal of judging the reception unicast data stream that described information receiving unit receives, then controlling and finish the handover operation that outputs to broadcast data stream output from unicast data stream between unicast service management system and the broadcast business management system greater than predefined threshold values;
Be broadcast to the clean culture switch control unit, when being used for quantity when the portable terminal of judging the reception broadcast data stream that described information receiving unit receives, then controlling and finish the handover operation that outputs to unicast data stream output from broadcast data stream between broadcast business management system and the unicast service management system less than predefined threshold values.
18, switching control according to claim 17 is characterized in that, the described broadcasting switch control unit that unicasts to specifically comprises:
First switch control unit, be used to control unicast service unit or broadcasting service unit send notification message from switch data stream to all portable terminals that receive described unicast data stream, notice clean culture business unit stops the transmission of described unicast data stream, and the notification broadcast business unit uses broadcast data to flow to the business that portable terminal sends described unicast data stream;
Second switch control unit, being used for the notification broadcast business unit uses broadcast data to flow to the business that portable terminal sends described unicast data stream, after stopping of receiving that portable terminal returns sent the notification message of unicast data stream, notice clean culture business unit stopped to send described unicast data stream to this portable terminal.
19, according to claim 17 or 18 described switching controls, it is characterized in that, the described clean culture switch control unit that is broadcast to also is used for the notification broadcast business unit sends notification message from switch data stream to all portable terminals that receive described broadcast data stream, the notification broadcast business unit stops the transmission of described broadcast data stream, and notice clean culture business unit uses unicast data to flow to the business that portable terminal sends described broadcast data stream.
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| CN2008100065299A CN101242581B (en) | 2008-02-28 | 2008-02-28 | Mobile stream media managing method, system and device |
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| CN2008100065299A CN101242581B (en) | 2008-02-28 | 2008-02-28 | Mobile stream media managing method, system and device |
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