CN101159980B - Method of switching mobile multimedia service between broadcast network and interactive mode network - Google Patents
Method of switching mobile multimedia service between broadcast network and interactive mode network Download PDFInfo
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Abstract
The invention provides a method of mobile multi-media business switching between a broadcasting network and an interactive network, which includes: a. a user choose multi-media business; b. a terminaladopts the business chosen by prior network receiving user and detects the broadcasting signal intensity of the business; when adopting the broadcasting network to receive the business, continuing the step c if the broadcasting signal is weak; when adopting the interactive network to receive the business, continuing step c is the broadcasting signal is normal; c. judging whether can switch; if yes, continuing step d; d. switching to another network to receive the business. The technical proposal of the invention combines with two mobile multi-media businesses of stream media mode and broadcasting mode, switches between the two networks under different situation, in order to provide users with better receiving effect and improves the mobile multi-media development.
Description
Technical field
The present invention relates to mobile communication system, relate in particular to the method that a kind of mobile multi-media service switches between radio network and interactive network.
Background technology
About the implementation of mobile multi-media service, mainly contain dual mode at present:
The one, utilize mobile communications network that the mobile multimedia service is provided, mainly be the mode that adopts Streaming Media; The 2nd, realize mobile multimedia service, i.e. broadcast type mobile multimedia by radio network.
The mobile multi-media service of Streaming Media mode is to utilize present interactive network, and promptly mobile communications network is as the approach of transmitting multimedia service.By continuous image and acoustic information are put on the webserver after overcompression is handled, portable terminal can be play while downloading.Stream media technology is the product that network audio-video technology and mobile communication technology develop into certain phase, and it has merged the multiple network technology, relates to collection, compression, storage and the network service etc. of stream medium data.
The transmission major advantage of this mode has two: the one, and fairly simple, do not need big transformation is done by system, as long as the playout software of a compatibility is installed, just can obtain multimedia service on mobile phone; The 2nd, this mode has stronger interactive, and the user can obtain the content of oneself liking as required at any time.In addition, because mobile network's covering now is wider, provide a lot of facilities to carrying out of mobile multi-media service.
The major defect of this mode: the one, on present mobile communications network, because the restriction of message transmission rate, utilize the Streaming Media mode that mobile multi-media service is provided, view reception effect is not ideal, and this problem will be improved on the 3G network in future; The 2nd, because the restriction of network can't provide the service of large-scale consumer, because what streaming media service adopted is point-to-point mode of unicast, spectrum efficiency is lower, in case after coming on the number of users, system just is difficult to bear, even may have influence on the transmission of speech in addition.Even arrived the 3G epoch, on the mobile network, use multimedia service for a large number of users group, still can there be bandwidth bottleneck.
Because the restriction that traditional mobile flow medium implementation exists, begin one's study in the world and how on the mobile network, to realize the multimedia broadcasting of (comprising video, audio frequency, data etc.), MBMS (MultimediaBroadcast/Multicast Service, multimedia broadcast/group broadcast service,) and BCMCS technology such as (Broadcast/Multicast Services, broadcasting/packet services) arise at the historic moment.This type of technology is improved on the basis of existing mobile radio communication, provide the downlink broadcast channel to the user, and its employed frequency still is a mobile communication system place frequency range, becomes the following developing direction that realizes mobile phone TV services by mobile data network possibly.
The mobile multi-media service of broadcast type, as its name suggests, the mode by broadcasting provides multimedia service for the terminal use exactly.The presentation mode of this mobile multi-media service is the one way signal transmission service of kind of " a bit to multiple spot ".For this reason, need on portable terminal, install special mobile multi-media service receiver module additional, directly receive the signal of being launched by CHINA RFTCOM Co Ltd operator, and not need link by communication network.
The glamour of broadcast type mobile multi-media service is that it can carry out high-speed transfer on high-bandwidth channels, this means higher quality, content choice and more economical network cost widely.In the overlay area, the number of users of reception broadcasting can provide the audiovisual service of the mobile multimedia with perfect image quality to numerous audients without limits more economically.
The major defect of broadcast type mobile multi-media service is because the one-way of service, and interactive relatively poor with the user is difficult to the service that provides personalized.
In sum, broadcast type mobile multi-media service and Streaming Media formula mobile multi-media service are on technology realizes and all have very big-difference in the market operation, and pluses and minuses are respectively arranged.Both comparatively speaking, the former advantage is that mainly frequency spectrum resource is abundant, low to number of users scale susceptibility, the degree of association of video flowing transmitting speed and quality and bandwidth is very little; And the latter in these areas, all obviously is in a disadvantageous position.The former is strong to burst and emergency event ability to bear, and the latter then can fight for resource, just can not transmit in case the user is saturated; But latter's communication and interaction function are powerful, and advantage is very obvious aspect personalized service.
In addition, the received signal intensity of radio network is subjected to the influence of environment bigger, particularly in building, under the regional environment such as subway, signal is very unstable, and what radio network covered is limited in scope, and these all bring certain influence to carrying out mobile multi-media service.
Therefore,,, will bring more selection, for the development that promotes mobile multimedia provides more approach to the user if can merge two kinds of mobile multi-media services of Streaming Media mode and broadcast mode for carrying out mobile multi-media service.
Summary of the invention
At above deficiency, the technical problem to be solved in the present invention provides the method that a kind of mobile multi-media service switches between radio network and interactive network, makes terminal in time switch used network according to the power of signal, to strengthen reception.
In order to solve the problems of the technologies described above, the invention provides the method that a kind of mobile multi-media service switches between radio network and interactive network, it is characterized in that, comprising:
A, user select multimedia service;
B, terminal adopt current network to receive user-selected business, and regularly detect this professional broadcast signal strength;
Described when professional when adopting radio network to receive, if a little less than the broadcast signal strength then carry out step c;
When adopting interactive network to receive when professional, if broadcast signal strength normally then carry out step c;
C, judge whether and can switch, if could would carry out steps d;
D, switch to another network and receive professional.
Further, among the described step b:
Be meant a kind of or its combination in any in following three kinds of situations a little less than the broadcast signal strength:
(2A) the broadcast signal strength average that terminal receives in T detection time is less than threshold value Sv_B0;
(2B) broadcast signal strength that terminal receives in the detection time T less than the number of times of threshold value Sv_B0 greater than default frequency threshold value;
(2C) when terminal uses broadcast mode to receive multimedia service,, terminal then starts timer and lasting the detection less than threshold value Sv_B0 when monitoring certain moment broadcast signal strength value; In the timer preset time, broadcast signal strength is all less than threshold value Sv_B0;
Broadcast signal strength normally is meant a kind of or its combination in any in following three kinds of situations:
(2a) the broadcast signal strength average that terminal receives in T detection time is greater than threshold value Sv_B1;
(2b) broadcast signal strength that terminal receives in the detection time T greater than the number of times of threshold value Sv_B1 greater than default frequency threshold value;
(2c) when terminal uses the Streaming Media mode to receive multimedia service, then start timer and continue detection greater than threshold value Sv_B1 when terminal monitors the broadcast signal strength value; In the timer preset time, broadcast signal strength is all greater than threshold value Sv_B1.
Further, described step c specifically comprises:
31, whether the user-selected business of terminal judges exists the play mode of another network support, exists then to enter next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
32, whether the query field of terminal user uses another mode playback instead; If user's selection is then enters next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
Step 31,32 in no particular order.
Further, in the described step 31:
Terminal judges according to electron service instruction whether user-selected business exists the play mode of another network support.
Further, described method also comprises:
When switching when frequent, terminal stops to switch, or adopts one or its combination in following two modes: T detection time that switches of automatically prolonging, improve threshold value Sv_B0 and Sv_B1 automatically.
Further, switching frequently is meant:
This mobile multi-media service is at two kinds of internetwork switching times in terminal record T1 detection time, and the interior switching times of this detection time of T1 surpasses a switching times threshold value.
Further, terminal stops to switch and is meant that terminal closes to switch and enables.
Further, described step c specifically comprises:
81, whether the user-selected business of terminal judges exists the play mode of another network support, exists then to enter next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
82, whether the query field of terminal user uses another mode playback instead; If user's selection is then enters next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
83, whether terminal judges is switched and to be enabled, if enable then carry out next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
Step 81,82,83 in no particular order.
Further, in the described step 81:
Terminal judges according to electron service instruction whether user-selected business exists the play mode of another network support.
Further, described steps d comprises that specifically terminal switches to multimedia service the process of interactive network and switches to the process of radio network from interactive network from radio network;
Wherein, terminal comprises multimedia service from the process that radio network switches to interactive network:
The go off the air business tine of pattern of terminal receives;
Terminal is according to the address in the electron service instruction, the click-to-call service content link, thus trigger DST PLAYER;
The streaming media service platform carries out returning the real time streaming transport protocol response to terminal after authentication passes through to terminal, wherein comprises information of session description protocol;
Terminal is initiated real time streaming transport protocol to the streaming media service platform and is set up request;
After terminal was returned response, terminal sent playing request to the streaming media service platform again at the streaming media service platform;
The streaming media service platform sends the real time transport protocol media data packet to terminal; After terminal receives, the playing stream media content;
Pass through real time transport protocol control protocol interacting message transferring status data between terminal and the streaming media service platform;
Terminal comprises multimedia service from the process that interactive network switches to radio network:
Terminal sends real time streaming transport protocol to the streaming media service platform and disconnects message;
Terminal reads professional relevant information from electron service instruction, receive business code flow by broadcast mode and play.
Two kinds of mobile multi-media services that technical scheme of the present invention has merged Streaming Media mode and broadcast mode can switch between two kinds of networks according to different situations, make the user obtain preferable reception, thereby promote the development of mobile multimedia.
Description of drawings
The concrete implementing procedure figure of the method that Fig. 1 switches between radio network and interactive network for mobile multi-media service of the present invention.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
The present invention proposes the method that a kind of multimedia service switches between radio network and interactive network, promptly when when all there are certain multimedia service in radio network and interactive network, how portable terminal selects certain Network Transmission mode.In this method that the present invention proposes,, adopt the mode of unified electron service instruction (ESG, ElectronicService Guide) to represent to the terminal use for various streaming media service and the broadcast type mobile service that service provider provides.In electron service instruction, to every business, all indicate this business and whether can obtain by broadcast mode or Streaming Media pattern, perhaps certain business provides this two kinds of professional obtaining modes simultaneously.For user terminal, if a certain business tine is only supported single Streaming Media or broadcast type distribution, then user terminal is taked corresponding reception trafficwise according to the indication in the business guide.And for simultaneous mobile multi-media service in radio network and interactive network, user terminal changes according to the power of broadcast singal and switches between two networks, and specifically: fixed or current broadcast signal power is preferentially selected a network-use this business just like radio network for use according to the service operation square gauge.When the place that does not cover at radio network, when perhaps the more weak user of influence of broadcast network signal receives, the interactive network pattern that will switch to user terminal continues to use this business, and when detecting the broadcast signal strength recovery when user terminal, will switch to again and use the broadcast transmitted pattern to use the Multimedia Mobile business.In addition, also propose in the broadcast singal instability among the present invention, change under the frequent situation, user terminal takes specific self adaptation way to come the way that switching is protected to this kind, normally uses to avoid terminal frequently to switch traffic affecting.
The method that the multimedia service that the present invention proposes switches between radio network and interactive network, just broadcast mode receive and Streaming Media pattern receive mode in the method switched, be applicable to that mainly service supplier uses radio network and interactive network (as GSM, CDMA, 3G net etc.) provide simultaneously under the situation of certain multimedia service.For example, can transmit mobile TV service by radio network, also can provide by interactive mobile network's Streaming Media pattern, when the place that does not cover at radio network, when perhaps the more weak user of influence of broadcast network signal receives, can continue by the Streaming Media transmission means of interactive network to provide this business to the user.
Hence one can see that, is a kind of in following three kinds of situations to network selection when user terminal inserts:
(1) only supports single Streaming Media pattern or broadcast mode distribution for indicating a certain business tine in the electron service instruction, then user terminal is taked corresponding reception trafficwise according to the indication in the business guide, promptly corresponding interactive network or the radio network selected for use.
For this situation, the possibility that the later stage does not exist multimedia service to switch between radio network and interactive network.
(2) support Streaming Media pattern and broadcast mode distribution simultaneously for indicating a certain business tine in the business guide, in same area, terminal is preferentially selected certain network (coming surely to determine according to the service operation square gauge) for use, preferentially selects radio network usually for use; When terminal can't be used this network, then switch to and use another network, employed changing method is provided by following.
When the user selects radio network for use, press broadcast mode and receive professional and broadcast; When the user selects interactive network for use, press the Streaming Media pattern and receive professional and broadcast.
(3) for the user in when roaming, when visiting ownership place when professional, select the Streaming Media receive mode of interactive network; There is not the mutual switching of multimedia service between radio network and interactive network in this situation yet.
Can take interactive network and radio network to obtain the situation of multimedia service simultaneously for terminal seat, the method that the multimedia service that the present invention proposes switches between radio network and interactive network may further comprise the steps:
(1) user selects to watch a certain multimedia service.
(2) terminal preferentially selects for use one in radio network and the interactive network to receive described multimedia service and broadcast program according to the regulation of service provider or the power of current broadcast signal; Select to be meant according to the power of current broadcast signal:, otherwise select for use radio network to receive professional and broadcast if the current broadcast signal strength signal intensity is lower than a threshold value then selects interactive network for use.
(3) terminal is when receiving professional and playing, and self-timing detects this professional broadcast signal strength, judges whether to switch according to this intensity, enters step (4) in the time of need switching, otherwise continues to receive with current network; Judge whether to switch the following situation that specifically comprises according to broadcast signal strength:
(3A) current select for use when the radio network, if a little less than the broadcast signal strength then determine and need switch, enter step (4);
Be meant a kind of or its combination in any in following three kinds of situations a little less than the broadcast signal strength:
(A1) the signal strength signal intensity average that terminal receives in T detection time is less than threshold value Sv_B0.
(A2) signal strength signal intensity that terminal receives in the detection time T less than the number of times of threshold value Sv_B0 greater than default frequency threshold value.
(A3) then start timer and continue detection less than threshold value Sv_B0 when terminal monitors certain moment signal strength values; In the timer preset time, signal strength signal intensity is all less than threshold value Sv_B0.
(3B) current select for use when the interactive network, if broadcast signal strength normally then determine and need switch, enters step (4);
Broadcast signal strength normally is meant a kind of or its combination in any in following three kinds of situations:
(B1) the broadcast signal strength average that terminal receives in T detection time is greater than threshold value Sv_B1.
(B2) broadcast signal strength that terminal receives in the detection time T greater than the number of times of threshold value Sv_B1 greater than default frequency threshold value.
(B3) when terminal uses the Streaming Media mode to receive multimedia service, then start timer and continue detection greater than threshold value Sv_B1 when terminal monitors the broadcast signal strength value; In the timer preset time, broadcast signal strength is all greater than threshold value Sv_B1.
For detection time T and mode switch threshold value Sv_B0 and the selection of Sv_B1 can in business guide, specify according to the actual requirements by mobile multi-media service operator.For example,, wish as often as possible to take broadcast mode transmitting mobile multimedia business, then can improve the threshold value that switches to the Streaming Media pattern from broadcast mode if service provider or operator bring influence for fear of communication bandwidth crowded.In this manner, terminal need obtain the information of switching from business guide.Also can adjust setting according to the reception condition of terminal reality by terminal.
(4) judge whether and to switch, can then carry out step (5), otherwise enter step (6); This step specifically comprises:
(41) terminal judges from ESG whether this business exists the play mode of another network support, has then to enter next step, otherwise enters step (6), a little less than entering the preceding prompting earlier of step (6) subscriber signal.
(42) whether the query field of terminal user uses another mode playback instead; If user's selection is then enters next step, otherwise enters step (6).
Step (41) and (42) all are to judge whether and can switch; In the practical application, also can not carry out step (42); Or carry out step (42) earlier, carry out step (41) again.
In the practical application, also can whether can use other to receive play mode by the user is default in terminal, if be provided be " can ", then directly switching this moment.
(5) terminal stops using the pattern of current network correspondence to receive and play, release is connected with current network, switch to another network by prior art, after connecting with another network, receive described multimedia service and broadcast program by the pattern of another network correspondence; Return step (3).
Terminal switches to interactive network with multimedia service from radio network, promptly receives the idiographic flow that switches to the stream mode reception from broadcast mode and may further comprise the steps:
(1a) the go off the air business tine of pattern of terminal receives.
(1b) terminal is according to the address in the electron service instruction, the click-to-call service content link, thus trigger DST PLAYER.
(1c) the streaming media service platform carries out after authentication passes through terminal, and the streaming media service platform returns the RTSP response to terminal, wherein comprises SDP (Session Description Protocol) information.
(1d) terminal is initiated RTSP (real time streaming transport protocol) SETUP (foundation) request to fringe node streaming media service platform.
(1e) at the streaming media service platform after terminal is returned response, terminal sends PLAY (broadcasts) to the streaming media service platform again and asks.
(1f) fringe node streaming media service platform sends RTP (real time transport protocol) media data packet to terminal.After terminal receives the RTP bag, the playing stream media content.
(1g) pass through RTCP (RTP Control Protocol) interacting message transferring status data between terminal and the fringe node streaming media service platform.
Terminal switches to radio network with multimedia service from interactive network, promptly receives the idiographic flow that switches to the broadcast mode reception from stream mode and may further comprise the steps:
(2a) terminal sends RTSP TEARDOWN (disconnection) message to fringe node streaming media service platform.
(2b) terminal reads this professional relevant information from electron service instruction ESG, receives business code flow by broadcast mode and plays.
Alternatively, when terminal is in the broadcast mode reception, if there is the Streaming Media obtaining mode in this business, the needs possible for the back switch to the Streaming Media pattern quickly and easily, terminal should be finished top from " click-to-call service content link ", to " terminal is initiated the RTSPSETUP request to fringe node streaming media service platform " this process, when needs switched, terminal just can send the PLAY request to the streaming media service platform apace.
(6) reception business and broadcast program are suspended or stopped to terminal; Or continue to use current network to receive business and also play.
During playing, if the user selects to stop, then terminal stops reception business and broadcast program.
For the unsettled environment of the strong and weak variation of some broadcast singal, can cause terminal frequent switching between broadcast mode and Streaming Media pattern.Such as in the car of fast moving.For preventing the generation of this situation, can make some special switch protectings at mobile subscriber terminal and handle.
Can work as and think when meeting the following conditions that switching is frequent, need carry out switch protecting:
The switching times of this mobile multi-media service between two kinds of patterns in user terminal record T1 detection time, the interior switching times of this detection time of T1 surpasses a switching times threshold value.
When judgement need be carried out switch protecting, user terminal stopped to switch, and enables such as the switching of closing a terminal; The T and/or improve handoff threshold value Sv_B0 and Sv_B1 automatically detection time that also can automatically prolong and switch.
When stopping to switch, can force terminal to select a network for use, such as forcing terminal to select interactive network for use; Also can allow terminal continue to use current network, or suspend or stop to receive and playing.
When exist switching when enabling, can be corresponding before switching--be that above-mentioned steps (4) also comprises step (43): judge to switch whether enable, if enable then carry out next step; Otherwise directly enter step (7).Step (41), (42) and (43) are in no particular order.
Accordingly, can signal strength signal intensity to be broadcast stable back or wait for certain hour after recover again to switch--the switching of promptly opening terminal enables, or recovers original change detection time period and/or threshold value.How long concrete the wait is determined according to actual needs; The criterion that broadcast signal strength is stable is also determined according to actual needs, such as determining whether to stablize according to the amplitude sum that each time of signal strength signal intensity in a period of time fluctuates.
The raising amount of prolongation amount, threshold value Sv_B0 and Sv_B1 of T can be specified in business guide according to the actual requirements by mobile multi-media service operator for detection time T1, switching times threshold value, detection time.Wherein, T and T1 can be identical or different.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1. the method that mobile multi-media service switches between radio network and interactive network is characterized in that, comprising:
A, user select multimedia service;
B, terminal adopt current network to receive user-selected business, and regularly detect this professional broadcast signal strength;
Described when professional when adopting radio network to receive, if a little less than the broadcast signal strength then carry out step c;
When adopting interactive network to receive when professional, if broadcast signal strength normally then carry out step c;
C, judge whether and can switch, if could would carry out steps d;
D, switch to another network and receive professional;
Among the described step b:
Be meant a kind of or its combination in any in following three kinds of situations a little less than the broadcast signal strength:
(2A) the broadcast signal strength average that terminal receives in T detection time is less than threshold value Sv_B0;
(2B) broadcast signal strength that terminal receives in the detection time T less than the number of times of threshold value Sv_B0 greater than default frequency threshold value;
(2C) when terminal uses broadcast mode to receive multimedia service,, terminal then starts timer and lasting the detection less than threshold value Sv_B0 when monitoring certain moment broadcast signal strength value; In the timer preset time, broadcast signal strength is all less than threshold value Sv_B0;
Broadcast signal strength normally is meant a kind of or its combination in any in following three kinds of situations:
(2a) the broadcast signal strength average that terminal receives in T detection time is greater than threshold value Sv_B1;
(2b) broadcast signal strength that terminal receives in the detection time T greater than the number of times of threshold value Sv_B1 greater than default frequency threshold value;
(2c) when terminal uses the Streaming Media mode to receive multimedia service, then start timer and continue detection greater than threshold value Sv_B1 when terminal monitors the broadcast signal strength value; In the timer preset time, broadcast signal strength is all greater than threshold value Sv_B1.
2. the method for claim 1 is characterized in that, described step c specifically comprises:
31, whether the user-selected business of terminal judges exists the play mode of another network support, exists then to enter next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
32, whether the query field of terminal user uses another mode playback instead; If user's selection is then enters next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
Step 31,32 in no particular order.
3. method as claimed in claim 2 is characterized in that, in the described step 31:
Terminal judges according to electron service instruction whether user-selected business exists the play mode of another network support.
4. the method for claim 1 is characterized in that, also comprises:
When switching when frequent, terminal stops to switch, or adopts one or its combination in following two modes: T detection time that switches of automatically prolonging, improve threshold value Sv_B0 and Sv_B1 automatically.
5. method as claimed in claim 4 is characterized in that, switches frequently to be meant:
This mobile multi-media service is at two kinds of internetwork switching times in terminal record T1 detection time, and the interior switching times of this detection time of T1 surpasses a switching times threshold value.
6. method as claimed in claim 4 is characterized in that:
Terminal stops to switch and is meant that terminal closes to switch and enables.
7. method as claimed in claim 4 is characterized in that, described step c specifically comprises:
81, whether the user-selected business of terminal judges exists the play mode of another network support, exists then to enter next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
82, whether the query field of terminal user uses another mode playback instead; If user's selection is then enters next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
83, whether terminal judges is switched and to be enabled, if enable then carry out next step; Otherwise suspend or stop to receive business, or still adopt current network to receive;
Step 81,82,83 in no particular order.
8. method as claimed in claim 7 is characterized in that, in the described step 81:
Terminal judges according to electron service instruction whether user-selected business exists the play mode of another network support.
9. as claim 1 or 3 or 8 arbitrary described methods, it is characterized in that described steps d comprises that specifically terminal switches to multimedia service the process of interactive network and switches to the process of radio network from interactive network from radio network;
Wherein, terminal comprises multimedia service from the process that radio network switches to interactive network:
The go off the air business tine of pattern of terminal receives;
Terminal is according to the address in the electron service instruction, the click-to-call service content link, thus trigger DST PLAYER;
The streaming media service platform carries out returning the real time streaming transport protocol response to terminal after authentication passes through to terminal, wherein comprises information of session description protocol;
Terminal is initiated real time streaming transport protocol to the streaming media service platform and is set up request;
After terminal was returned response, terminal sent playing request to the streaming media service platform again at the streaming media service platform;
The streaming media service platform sends the real time transport protocol media data packet to terminal; After terminal receives, the playing stream media content;
Pass through real time transport protocol control protocol interacting message transferring status data between terminal and the streaming media service platform;
Terminal comprises multimedia service from the process that interactive network switches to radio network:
Terminal sends real time streaming transport protocol to the streaming media service platform and disconnects message;
Terminal reads professional relevant information from electron service instruction, receive business code flow by broadcast mode and play.
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| CN2007101653908A CN101159980B (en) | 2007-10-26 | 2007-10-26 | Method of switching mobile multimedia service between broadcast network and interactive mode network |
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| CN2007101653908A CN101159980B (en) | 2007-10-26 | 2007-10-26 | Method of switching mobile multimedia service between broadcast network and interactive mode network |
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| CN101772115B (en) * | 2008-12-26 | 2012-04-25 | ***通信集团公司 | Mobile terminal and video playing method, hybrid network and video data transmitting method |
| CN101827306A (en) * | 2009-03-03 | 2010-09-08 | 中兴通讯股份有限公司 | Switching method and device of unicast service |
| KR20110096834A (en) * | 2010-02-23 | 2011-08-31 | 엘지전자 주식회사 | Mobile terminal and method of providing broadcasting using the same |
| CN101848380A (en) * | 2010-04-21 | 2010-09-29 | 中兴通讯股份有限公司 | Method and terminal for realizing on-line multimedia playing |
| CN101854650A (en) * | 2010-05-28 | 2010-10-06 | 中兴通讯股份有限公司 | Method and device for switching mobile television services |
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