CN101098522A - Method for mobile terminal to search digital multimedia broadcasting network - Google Patents
Method for mobile terminal to search digital multimedia broadcasting network Download PDFInfo
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- CN101098522A CN101098522A CNA2006100903371A CN200610090337A CN101098522A CN 101098522 A CN101098522 A CN 101098522A CN A2006100903371 A CNA2006100903371 A CN A2006100903371A CN 200610090337 A CN200610090337 A CN 200610090337A CN 101098522 A CN101098522 A CN 101098522A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method for searching digit multimedia broadcast (DMB)network in mobile terminal, which can be used in the condition provided with a honeycomb network and a DMB network, wherein the DMB network comprises at least one DMB broadcast mechanism. The inventive method comprises that A, mobile terminal obtains a DMB network indication information provided by the honeycomb network, while the information comprises the marks of various DMB broadcast mechanisms in the covered region of the honeycomb network and the frequency points relative to the DMB broadcast mechanisms, B, mobile terminal according to the marks and frequency points obtains the digit multimedia broadcast content provided by the DMB network. The invention can quickly search target DMB network f mobile terminal, to save power of mobile terminal and shorten the time consumed for obtaining video content.
Description
Technical field
The present invention relates to DMB (DMB) technical field, more particularly, the present invention relates to a kind of method of mobile terminal to search DMB network.
Background technology
Entered since 21st century, wireless communication technology just advances with unprecedented speed.Along with the user to the increase of various real-time multimedia business demands and the fast development of Internet technology, following wireless communication technology will have the higher rate of information throughput, think that the user provides bigger facility.In order to support the higher rate of information throughput and the user moving speed of Geng Gao, in follow-on radio communication, need to adopt the Radio Transmission Technology that spectrum efficiency is higher, the anti-multipath interference performance is stronger.
On the other hand, passing through years of development, is that the research and the application about DMB of representative obtained a large amount of achievements with the digital video broadcast ing.Satellite digital video is (such as DVB-S, the DVB-S2 in Europe, the S-DMB of Korea S and Japan), cabled digital video (such as the DVB-C in Europe), ground digital video (such as DVB-T, the ATSC of the U.S., the IDSB-T of Japan in Europe), mobile digital video (such as the DVB-H in Europe, the Media-FLO of QualCom company) etc., obtain to use widely, obtained plentiful and substantial society and economic benefit in many countries and regions.
An important branch of digital video technology development is the mobile video broadcast technology that digital video and mobile communication combine.This technology combines the characteristics of digital video and mobile communication, people's needs of receiving video signals have whenever and wherever possible been satisfied, have huge development potentiality, being considered to become next important mobile communication business, is subjected to each side and more and more payes attention to.And, along with the improvement of individual mobile terminal, on individual mobile terminal, carry out progressively realizations of the professional beginning in broadband such as Streaming Media at aspects such as screen size, performance and power consumptions.Mobile video broadcast causes the industry extensive concern as typical case's representative of broadband mobile multi-media service.From carrying, the mobile video broadcast radio bearer is divided into terrestrial broadcasting technology, satellite broadcasting technology and mobile communication technology.Because the satellite broadcasting technical costs is higher, receive more concern based on the mobile video broadcast standard of terrestrial broadcasting and mobile communication technology.
Main mobile video broadcast standard has at present: the MBMS of terrestrial broadcasting technology T-DMB, DVB-H, Media-FLO and mobile communication (Multimedia Broadcast and MulticastService).T-DMB, DVB-H and Media-FLO are based on the conventional digital video broadcast mode, and at the technology that hand-held mobile terminal is developed, can transmit a plurality of video channels and audio channel simultaneously to the portable terminal that uses battery.MBMS is on existing mobile communication system basis, and original classes of messages broadcast capability is strengthened, and the broadcasting and the multicast service of stream class or background classes multi-medium data are provided, and MBMS is applicable to UTRAN and GERAN.
All broadcast technologies have tangible cost advantage when portable terminal receives wideband multimedia simultaneously, but because the wide covering characteristics of terrestrial broadcasting video technique, oppositely must cooperate and to realize interaction, have only interactive business just can rise in value more with the mobile network.Third generation partner program (3G) adds that the pattern of broadcasting becomes a kind of important mobile video operation mode probably.Technical system from operator's employing, on portable terminal, watch the user of video frequency program to occupy the majority by the digital video broadcasting mode, and utilize the mobile network to watch the user of video frequency program to watch the short time program, for example news, ball match and amusement segment etc.
Fig. 1 is the method flow diagram of the mobile terminal to search DMB network of prior art.As shown in Figure 1, this method comprises:
Step 101: mobile terminal-opening, the search of beginning cellular network is attached to the cellular network respective cell;
Step 102: portable terminal starts watches the mobile video broadcast function, and according to portable terminal internal default rule, begins the DMB system of supporting is progressively searched for;
At first search for first kind of DMB system and relevant all frequencies such as, portable terminal, and each frequency wherein carried out synchronously, separates be in harmonious proportion the frequency point information that storage can watch; Search for second kind of DMB system and relevant all frequencies then, and each frequency wherein carried out synchronously, separates be in harmonious proportion the frequency point information that storage can watch; Search for the third DMB system and relevant all frequencies again, and each frequency wherein carried out synchronously, separates be in harmonious proportion the frequency point information that storage can watch, or the like.
After search finished, portable terminal generated the menu option that includes various DMB systems and relevant frequency; The user selects the frequency of hobby to carry out demodulation to watch video content again in menu option.
If portable terminal has left the DMB network coverage area in watching the broadcast video process, portable terminal can detect does not have broadcast video signal, then restart search, till finding the broadcast video frequency that Gong to watch once more, perhaps portable terminal, stops search behind search certain hour and number of times according to default rule.
By said process as seen, if portable terminal is supported several DMB systems, even same system, each local broadcast video frequency also may there are differences, each portable terminal has a long network process of searching when selecting channel, thereby cause very power consumption of portable terminal, and it is also very slow to obtain the speed of video content.
Summary of the invention
In view of this, main purpose of the present invention is the method that proposes a kind of mobile terminal to search DMB network, to reduce the power consumption of portable terminal.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of mobile terminal to search DMB network, this method are applicable to cellular network and the network coexisted environment of DMB, and described DMB network comprises at least a DMB broadcasting system, and this method comprises:
The DMB network indication information that is provided by cellular network is provided for A, portable terminal, and described DMB network indication information comprises the sign of various DMB broadcasting systems in this cellular network area of coverage and corresponding to the frequency of DMB broadcasting system;
B, portable terminal identify the frequency that reaches corresponding to the DMB broadcasting system according to described DMB broadcasting system, and the digital multimedia broadcasting contents that is provided by the DMB network is provided.
Described DMB network indication information further comprises DMB broadcasting system serial number,
Portable terminal further utilizes described DMB broadcasting system serial number to determine the priority of DMB broadcasting system among the step B.
The described portable terminal of steps A the DMB network indication information that is provided by cellular network is provided comprises:
Cellular network initiatively sends the message that carries described DMB network indication information to portable terminal.
The message of the described DMB of carrying network indication information is:
System message, Routing Area Update message or location area updating message.
Described cellular network is a third generation partner program 3GPP network,
The message of the described DMB of carrying network indication information is: SIB2 message, SIB3 message or SIB4 message.
The described portable terminal of steps A the DMB network indication information that is provided by cellular network is provided comprises:
A11, portable terminal send the DMB service request to cellular network;
After A12, cellular network are received this DMB service request, feed back described DMB network indication information to portable terminal.
Described DMB broadcasting system is designated DMB broadcasting system name; Or
Described DMB broadcasting system sign is by numeral, letter representation; Or
Described DMB broadcasting system sign is by numeral and alphabetical hybrid representation.
Described step B comprises:
B11, show the DMB menu option, comprise the sign of various DMB broadcasting systems in this cellular network area of coverage in the described DMB menu option and corresponding to the frequency of DMB broadcasting system;
B12, portable terminal are selected frequency in the DMB menu option;
B13, the DMB broadcasting system corresponding with it according to DMB broadcasting system identity validation, and, the selected frequency of portable terminal is carried out demodulation, to obtain digital multimedia broadcasting contents according to this DMB broadcasting system.
Described cellular network is 3GPP network, 3GPP2 network or global system for mobile communications (GSM) network.
Described DMB broadcasting system comprises: 3GPP single-frequency spot net (SFN) system, T-DMB system, DVB-H system or Media-FLO system.
From technique scheme as can be seen, in the present invention, the DMB network indication information that is provided by cellular network at first is provided portable terminal, and described DMB network indication information comprises the sign of various DMB broadcasting systems in this cellular network area of coverage and corresponding to the frequency of DMB broadcasting system; Then, portable terminal identifies the frequency that reaches corresponding to the DMB broadcasting system according to stating the DMB broadcasting system, and the digital multimedia broadcasting contents that is provided by the DMB network is provided.This shows, after using the present invention, the DMB network indication information of portable terminal by providing by cellular network, can obtain the information of DMB broadcasting system and relevant frequency, therefore search is got up very targetedly, rather than searches for all systems and relevant all frequencies blindly, so the present invention can search for purpose mobile terminal video network quickly, thereby greatly saved the portable terminal power supply, and also can greatly shorten the time of obtaining video content.
In addition, portable terminal both can send the DMB service request to obtain DMB network indication information to cellular network, also can initiatively send DMB network indication information to portable terminal by cellular network, so the present invention implemented also very convenient.
Description of drawings
Fig. 1 is the exemplary method flowchart of prior art mobile terminal to search DMB network.
Fig. 2 is the exemplary method flowchart of the mobile terminal to search DMB network according to the present invention.
Fig. 3 is the exemplary method flowchart according to the mobile terminal to search DMB network of first embodiment of the invention.
Fig. 4 is the exemplary method flowchart according to the mobile terminal to search DMB network of second embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention express clearlyer, the present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
Main thought of the present invention is: the DMB network indication information that is provided by cellular network at first is provided portable terminal, and described DMB network indication information comprises the sign of various DMB broadcasting systems in this cellular network area of coverage and corresponding to the frequency of DMB broadcasting system; Then, portable terminal identifies the frequency that reaches corresponding to the DMB broadcasting system according to stating the DMB broadcasting system, and the digital multimedia broadcasting contents that is provided by the DMB network is provided.Wherein, portable terminal both can initiatively send the DMB service request to obtain DMB network indication information to cellular network, also can be that cellular network initiatively sends DMB network indication information to portable terminal.
Fig. 2 is the exemplary method flowchart of the mobile terminal to search DMB network according to the present invention.This method is applicable to cellular network and the network coexisted environment of DMB, the DMB network comprises at least a DMB broadcasting system, these DMB broadcasting systems can be 3GPP single-frequency spot net (SFN) system, T-DMB system, DVB-H system or Media-FLO system, or other DMB systems.As shown in Figure 2, this method comprises:
Step 201: the DMB network indication information that is provided by cellular network is provided portable terminal, and described DMB network indication information comprises the sign of various DMB broadcasting systems in this cellular network area of coverage and corresponding to the frequency of DMB broadcasting system;
Here, cellular network can initiatively send the message that carries described DMB network indication information to portable terminal.At this moment, the message that carries DMB network indication information can be the system message of cellular network, Routing Area Update message or location area updating message, or the like.When cellular network is the 3GPP network, can preferably in SIB2 message, SIB3 message or SIB4 message, carry DMB network indication information, initiatively send SIB2 message, SIB3 message or SIB4 message by cellular network again to portable terminal.Obviously, for 3GPP, also DMB network indication information can be put in other the system message.
Alternatively, can also at first send the DMB service request to cellular network by portable terminal; After cellular network is received this DMB service request, feed back described DMB network indication information to portable terminal again.
Present T-DMB, DVB-H, Media-FLO become three big ground mobile video broadcast systems; Also may increase single-frequency point television network broadcast among the following 3GPP, therefore can increase DMB network indication information in 3GPP network UTRAN, this DMB network indication information comprises DMB system sign and basic frequency point number.
And, preferably further comprise DMB broadcasting system serial number (DMBList) in the DMB network indication information, be used to identify the priority of various DMB broadcasting systems, its medium priority can be determined by operator.Also can basis and the agreement situation of other radio and television operators such as, 3GPP operator, priority is set.Such as, if only sign an agreement, just only broadcast the system and the frequency of this operator with a T-DMB operator; And if this 3GPP operator oneself has managed single-frequency point television network broadcast, so can be with this frequency and system as first priority network.DMB broadcasting system sign can be DMB broadcasting system name itself; Or DMB broadcasting system sign is represented by numeral, letter; Or DMB broadcasting system sign is mixed into line display by numeral and letter.
This moment, DMB network indication information structure can be preferably as shown in table 1:
| Speech breath element | Lei Xing ﹠amp; Explanation | Range | Bits |
| DMB Listl | DMB systematic order number, sequence number has been represented priority. | 0-7 | 3 |
| DMB sign 1 | Can directly issue the system name, also can indicate with numeral, such as 0,3GPP SFN; 1, T-DMB; 2, DVB-H; 3, can be on the Media Flo...... portable terminal according to receiving DMB system name or system numbering, in the mobile terminal video button menu, show and point out priority, make things convenient for the user to select. | 0-7 | 3 |
| The DMB frequency | Because various system frequency width differences are bigger, can directly fill in the basic frequency of this this system in zone | ||
| DMB List2 | DMB systematic order number, sequence number has been represented priority. | 0-7 | 3 |
| DMB sign 2 | Can directly issue the system name, also can indicate with numeral, such as 0,3GPP SFN; 1, T-DMB; 2, DVB-H; 3, can be on the Media Flo...... portable terminal according to receiving DMB system name or system numbering, in the mobile terminal video button menu, show and point out priority, make things convenient for the user to select. | 0-7 | 3 |
| The DMB frequency | Because various system frequency width differences are bigger, can directly fill in the basic frequency of this this system in zone | ||
Table 1
Step 202: portable terminal identifies the frequency that reaches corresponding to the DMB broadcasting system according to described DMB broadcasting system, and the digital multimedia broadcasting contents that is provided by the DMB network is provided.
Here, after portable terminal has obtained DMB network indication information, can resolve this information and identify the relevant frequency that reaches corresponding to the DMB broadcasting system to obtain the DMB broadcasting system, thereby can list the DMB menu option, then the frequency in user-selected is carried out demodulation according to its DMB broadcasting system, thereby obtain programme content.
Particularly, at first show the DMB menu option, comprise the sign of various DMB broadcasting systems in the described DMB menu option and corresponding to the frequency of DMB broadcasting system; Portable terminal is selected interested frequency in the DMB menu option then; The last DMB broadcasting system corresponding with it according to DMB broadcasting system identity validation, and, the selected frequency of portable terminal is carried out demodulation, to obtain digital multimedia broadcasting contents according to this DMB broadcasting system.
Above-mentioned cellular network can be 3GPP network, 3GPP2 network or GSM network, or the like.
The exemplary flow schematic diagram of the first embodiment of the present invention is described below.In first embodiment, initiatively initiate DMB service request by terminal to cellular network, cellular network sends DMB network indication information according to this request to terminal then.
Fig. 3 is the exemplary method flowchart according to the mobile terminal to search DMB network of first embodiment of the invention.As shown in Figure 3, this method comprises:
Step 301: mobile terminal-opening, the search of beginning cellular network is attached to the cellular network respective cell;
Step 302: portable terminal starts watches the broadcast video function; Portable terminal carries out the DMB service request by cellular network to service centre's transmission short message of agreement;
Step 303: service centre checks according to the current sub-district of living in of terminal whether this sub-district has the DMB net to cover, and covers this regional DMB system priority, system sign and frequency to the terminal feedback; Terminal is by feedback result, according to the system and the frequency generation menu option of a definite sequence.
Step 304: portable terminal directly selects the frequency of hobby to carry out demodulation in the menu option that generates, and watches video content.
In the above process, left the DMB network coverage area if watching the portable terminal of broadcast video in moving process, portable terminal finds there is not broadcast video signal, then resends service request by short message to service centre automatically; According to service centre's feedack,, then generate menu option by feedback result if there is the DMB network; The no DMB in this place feeds back in service centre else if, and terminal is closed broadcast video web search and reception, manually boots up to next time and watches the broadcast video function.
The exemplary flow schematic diagram of the second embodiment of the present invention is described below.In a second embodiment, cellular network initiatively sends DMB network indication information to portable terminal by system message.
Fig. 4 is the exemplary method flowchart according to the mobile terminal to search DMB network of first embodiment of the invention.As shown in Figure 4, this method comprises:
Step 401: mobile terminal-opening, the search of beginning cellular network is attached to the cellular network respective cell;
Step 402: portable terminal obtains covering this regional DMB system priority, system sign and frequency automatically by the cellular network cell system message;
Step 403: portable terminal upgrades the broadcast video menu option according to the system and the frequency of a definite sequence, and wherein in moving process, every new sub-district is all upgraded in the menu option according to system message automatically;
Step 404: portable terminal directly selects the frequency of hobby to carry out demodulation in the menu option that generates, and watches video content.
Watch that when the portable terminal of broadcast video is in moving process, leave the DMB network coverage area, portable terminal is found no broadcast video signal, find no available broadcast video frequency in the system message simultaneously, then portable terminal is closed the broadcast video function, selects according to menu again up to portable terminal.
Wherein, cellular networks such as 3GPP/3GPP2/GSM can also pass through Routing Area Update except that available system message is told other broadcast video systems of portable terminal, frequency and priority, and other message such as location area updating are notified portable terminal.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of method of mobile terminal to search digital multimedia broadcasting DMB network, this method is applicable to cellular network and the network coexisted environment of DMB, and described DMB network comprises at least a DMB broadcasting system, it is characterized in that, and this method comprises:
The DMB network indication information that is provided by cellular network is provided for A, portable terminal, and described DMB network indication information comprises the sign of various DMB broadcasting systems in this cellular network area of coverage and corresponding to the frequency of DMB broadcasting system;
B, portable terminal identify the frequency that reaches corresponding to the DMB broadcasting system according to described DMB broadcasting system, and the digital multimedia broadcasting contents that is provided by the DMB network is provided.
2, the method for mobile terminal to search DMB network according to claim 1 is characterized in that, described DMB network indication information further comprises DMB broadcasting system serial number,
Portable terminal further utilizes described DMB broadcasting system serial number to determine the priority of DMB broadcasting system among the step B.
3, the method for mobile terminal to search DMB network according to claim 1 is characterized in that, the described portable terminal of steps A the DMB network indication information that is provided by cellular network is provided comprises:
Cellular network initiatively sends the message that carries described DMB network indication information to portable terminal.
4, the method for mobile terminal to search DMB network according to claim 3 is characterized in that, the message of the described DMB of carrying network indication information is:
System message, Routing Area Update message or location area updating message.
5, the method for mobile terminal to search DMB network according to claim 3 is characterized in that, described cellular network is a third generation partner program 3GPP network,
The message of the described DMB of carrying network indication information is: SIB2 message, SIB3 message or SIB4 message.
6, the method for mobile terminal to search DMB network according to claim 1 is characterized in that, the described portable terminal of steps A the DMB network indication information that is provided by cellular network is provided comprises:
A11, portable terminal send the DMB service request to cellular network;
After A12, cellular network are received this DMB service request, feed back described DMB network indication information to portable terminal.
7, the method for mobile terminal to search DMB network according to claim 1 is characterized in that, described DMB broadcasting system is designated DMB broadcasting system name; Or
Described DMB broadcasting system sign is by numeral, letter representation; Or
Described DMB broadcasting system sign is by numeral and alphabetical hybrid representation.
8, according to the method for each described mobile terminal to search DMB network among the claim 1-7, it is characterized in that described step B comprises:
B11, show the DMB menu option, comprise the sign of various DMB broadcasting systems in this cellular network area of coverage in the described DMB menu option and corresponding to the frequency of DMB broadcasting system;
B12, portable terminal are selected frequency in the DMB menu option;
B13, the DMB broadcasting system corresponding with it according to DMB broadcasting system identity validation, and, the selected frequency of portable terminal is carried out demodulation, to obtain digital multimedia broadcasting contents according to this DMB broadcasting system.
9, the method for mobile terminal to search DMB network according to claim 1 is characterized in that, described cellular network is 3GPP network, 3GPP2 network or global system for mobile communications GSM network.
10, the method for mobile terminal to search DMB network according to claim 1 is characterized in that, described DMB broadcasting system comprises: 3GPP single-frequency spot net SFN system, T-DMB system, DVB-H system or Media-FLO system.
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| CNA2006100903371A CN101098522A (en) | 2006-06-29 | 2006-06-29 | Method for mobile terminal to search digital multimedia broadcasting network |
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| CNA2006100903371A CN101098522A (en) | 2006-06-29 | 2006-06-29 | Method for mobile terminal to search digital multimedia broadcasting network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567990A (en) * | 2009-05-26 | 2009-10-28 | 中兴通讯股份有限公司 | Method and device for implementing mobile multimedia broadcast |
| CN101540646B (en) * | 2008-03-18 | 2011-03-30 | 中国移动通信集团公司 | Method and equipment for updating mobile phone TV service guideline |
| CN106454455A (en) * | 2016-08-16 | 2017-02-22 | 东软集团股份有限公司 | Channel locking method and device, and mobile terminal |
-
2006
- 2006-06-29 CN CNA2006100903371A patent/CN101098522A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101540646B (en) * | 2008-03-18 | 2011-03-30 | 中国移动通信集团公司 | Method and equipment for updating mobile phone TV service guideline |
| CN101567990A (en) * | 2009-05-26 | 2009-10-28 | 中兴通讯股份有限公司 | Method and device for implementing mobile multimedia broadcast |
| CN101567990B (en) * | 2009-05-26 | 2014-11-05 | 中兴通讯股份有限公司 | Method and device for implementing mobile multimedia broadcast |
| CN106454455A (en) * | 2016-08-16 | 2017-02-22 | 东软集团股份有限公司 | Channel locking method and device, and mobile terminal |
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Open date: 20080102 |