CN100551023C - A kind of transmission method of mobile multi-media broadcast electronic service guidance - Google Patents
A kind of transmission method of mobile multi-media broadcast electronic service guidance Download PDFInfo
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Abstract
The invention discloses a kind of transmission method of mobile multi-media broadcast electronic service guidance, comprising: multiplexer receives electron service instruction data; Multiplexer is multiplexed into electron service instruction data in the multiplexed frame of the multiplexed frame of bear control information or bearer service information; Multiplexer sends to the broadcast transmission station with multiplexed frame; Mobile subscriber terminal is given with the multiplexed frame modulate emission in the broadcast transmission station.The present invention has realized the transmission of electronic business guiding information, and electronic business guiding information can also can transmit by Traffic Channel or control channel separately with audio, video data by traffic channel transmission.For mobile multimedia broadcast system carry out electron service instruction transmission neatly, and the service application exploitation provides utmost point basis easily.
Description
Technical field
The present invention relates to China mobile multi-media broadcasting technology, relate in particular to the transmission method of a kind of Mobile Multimedia Broadcasting ESG (electron service instruction).
Background technology
Mobile phone TV services are that the typical case of China mobile multi-media broadcasting technology uses, and concerning mobile operator, can utilize network capabilities to greatest extent, and abundant more business is provided; And concerning broadcaster, be the new channel of TV broadcast, can make full use of content resource, the scope that extends one's service realizes the mobile of radio network.China cellphone subscriber in 2006 also reaches about 3.5 hundred million and China has the family of television set near 400,000,000.Can imagine that how both will produce a huge consumption market in conjunction with the mobile phone TV services that produced.Show that according to external prediction to the whole world in 2010 1.2 hundred million mobile phone television users will be arranged, the number of users of China also will be near 4,000 ten thousand.In the face of huge mobile subscriber group and radio and television customer group, great concern has been dropped into to this business in the Virtual network operator of various countries and device fabrication commercial city, wishes to make its new growth that becomes mobile multi-media service point.Therefore, domestic relatively related industry, mobile TV is a rare opportunity to develop, also is the inside truck of an autonomous innovation simultaneously.
Mobile TV is as a kind of emerging multimedia service, and its realization is the result of multiple technologies combination, summarizes the realization technology of getting up mainly to comprise three aspects: downlink transfer technology, uplink interaction technology, operation layer realization technology etc.
The downlink transfer technology is the key of this business realizing, is responsible for the transmission to the user of realization TV program information and content.Industry is very high to the degree of concern of this part technology at present, and the realization technology of proposition is also more various, and summarize to get up different downlink transfer technology roughly to be divided into three kinds of implementations: (1) is based on the implementation of mobile network's technology; (2) based on the implementation of satellite transmits technology; (3) based on the implementation of received terrestrial digital broadcasting network technology.
For (3) kind mode, the employed technology source of implementation is from received terrestrial digital broadcasting television transmission technology, and the frequency of use is generally the radio and television frequency range.Be to adapt to the characteristics of portable terminal, some technology is improved on original technical foundation becomes the mobile TV technology, and other technology then design at received terrestrial digital broadcasting television system and mobile TV system by the while.This type of technology is now to pay close attention to a more class technology in the world, also is the maximum class technology of scheme, and typical technology comprises DVB-H, the MEDIAFLO of QualCom, the T-DMB of Korea S, the ISDB-T of Japan etc. in Europe.Wherein Ou Mei two kinds of technology are special in mobile terminal design, and two kinds of technology of Japan and Korea S then both can be applied to portable terminal also can be applied to Digital Television.China Tsing-Hua University and Shanghai Communications University have studied domestic technology respectively on the basis of its digital television standard DMB-TH and ADTB-T.In addition, domestic new coastline company also works out ground mobile multimedia broadcast technology T-MMB on the basis of European DAB technology.
The ESG of Mobile Multimedia Broadcasting (electron service instruction) information spinner will comprise: traffic table, professional extend information table, contents table, service parameter table and layout table.
Summary of the invention
The technical problem to be solved in the present invention just provides a kind of transmission method of mobile multi-media broadcast electronic service guidance, this method has realized the transmission of ESG information, for mobile multimedia broadcast system carry out neatly ESG message transmission and service application the exploitation provide the utmost point easily the basis.
In order to solve the problems of the technologies described above, the invention provides a kind of transmission method of mobile multi-media broadcast electronic service guidance, comprise the steps:
(a) multiplexer receives electronic business guiding information;
(b) multiplexer is multiplexed into electronic business guiding information in the multiplexed frame of the multiplexed frame of bear control information or bearer service information;
(c) multiplexer sends to the broadcast transmission station with multiplexed frame;
(d) mobile subscriber terminal is given with the multiplexed frame modulate emission in the broadcast transmission station.
Further, described multiplexer is divided into one or more sections with electronic business guiding information, be multiplexed into the multiplexed frame of bear control information, the multiplexing payload of this multiplexed frame comprises one or more control information tables, comprising the basic description list of at least one electron service instruction, this table comprises the information of configuration how data information of electronic service directory uses the multiplexing transmission of control channel.
Further, described electronic business guiding information is multiplexed into the multiplexed frame of bearer service information, the multiplexing payload of this multiplexed frame comprises one or more multiplexed sub frames, electronic business guiding information uses independent multiplexed sub frame transmission, and/or audio, video data and associated electrical business guide information are transmitted in multiplexed sub frame together; Described multiplexed sub frame comprises frame head and data segment, multiplexing one or more electron service instruction data unit that comprise electron service instruction data head and electron service instruction data payload in the described data segment also write type, the length information of data cell quantity and each data cell in data segment.
Further, described electronic business guiding information comprises electron service instruction data, it is the data message of traffic table, professional extend information table, contents table, service parameter table and layout table, data record is all or part of in the table that certain electrons transmitted business guide data are these all or part of types, and at the electron service instruction data head of respective electronic business guide data cell table under the electron service instruction data in the electronic service guide table mark for marking payload user data.
Further, in the described step (b), the data length of electronic business guiding information is during greater than the maximum electron business guide payload user data length of an electron service instruction data unit, electron service instruction data after then will handling well is cut into the different pieces of information joint, use merogenesis encapsulation in different electron service instruction datas unit to transmit, and in the electron service instruction data head of each electron service instruction data unit, indicate the joint sequence number of electron service instruction data in total joint number of cutting and the notebook data unit.
Further, in the described step (b), electronic business guiding information has been carried out compression handled, and in the electron service instruction data head, indicated the compression type of use; Described step (d) terminal use indicates decompressed data according to this.
Further, the data message of described each data type of electron service instruction is divided into a plurality of electron service instruction data pieces, and labels in the electron service instruction data head and distinguish, and the division rule of this data block comprises by reproduction time to be divided.
Further, comprise following field in the gauge outfit of the basic description list of electron service instruction: quantity and one or more electronic service guide table parameter of table sign, segment length, segment number, hop count amount, electronic service guide table write electronic service guide table sign, Data Identification, table version number, service identification information in the electronic service guide table parameter.
This method is the ESG transmission method at the mobile multimedia broadcasting multiplex transmission system, and is different as transmission ESG methods such as DVB-H, MediaFLO with other.Equally finish the ESG transfer function of system separately.This method can also can be transmitted ESG information with audio, video data by traffic channel transmission separately by Traffic Channel or control channel.For mobile multimedia broadcast system carry out ESG transmission neatly, and the service application exploitation provides utmost point basis easily.
Description of drawings
Fig. 1 is that the general structure schematic diagram is transmitted in the present invention;
Fig. 2 is that the present invention uses Traffic Channel multiplexing method schematic diagram;
Fig. 3 is an ESG transmission data segment structure chart of the present invention;
Fig. 4 is an ESG data cell structure chart of the present invention;
Fig. 5 is multiplexed frame payload of the present invention (working as a MF_ID==0) schematic diagram;
Fig. 6 is the basic description list structural representation of ESG of the present invention (when additional data indication==1).
Embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
As shown in Figure 1, the logic entity of this method comprises multiplexer, broadcast transmission station and mobile subscriber terminal (UE) etc.
Multiplexer: obtain data such as ESG and other audio frequency and video, the ESG related data is multiplexed in the logic channel, and gives broadcast transmission station modulate emission.
Broadcast transmission station: the data after modulate emission is multiplexing.
Mobile subscriber terminal UE: comprise mobile communication equipments such as mobile phone.Can receive the data that the radio network channel transmits, ESG information for example, and to ESG buffer memory, renewal, inquiry, displaying.
The transmission method of Mobile Multimedia Broadcasting ESG comprises the steps:
(1) multiplexer receives the ESG data;
(2) multiplexer in the multiplexed frame of appointment, can be the multiplexed frame of bear control information with the ESG data multiplex, perhaps the multiplexed frame of bearer service information;
(3) multiplexer sends to the broadcast transmission station with multiplexed frame;
(4) mobile subscriber terminal is given with the multiplexed frame modulate emission in the broadcast transmission station.
Described mobile subscriber terminal receives the data that the broadcast transmission station sends, and carries out demodulation, and the user just can use terminal to obtain and show ESG information, finds and use business.
Multiplex system of the present invention adopts based on frequency, the time-sharing multiplex mode.
As shown in Figure 2, a plurality of multiplexed frames are formed broadcast channel frame, and multiplexed frame is made up of multiplex frame head, multiplexed frame payload, filling part.
For example, determine that be the multiplexing cycle 1 second, be divided into 40 parts of time periods (time slot), Multiplexing Unit is exactly 25ms.In logic multiplexed frame and time slot mapping are determined by system configuration.
Corresponding one an of multiplexed frame is controlled or service logical channels, and each multiplexed frame distributes a multiplexed frame sign MF_ID, and the MF_ID scope is 0 to 39, is 39 to the maximum, and wherein the multiplexed frame of MF_ID==0 is mapped to the control logic channel.
Two types multiplexed frame is arranged: the multiplexed frame of (1) MF_ID==0 is used for the transmission system control information;=0 multiplexed frame is used for transport service information, comprises the information of audio frequency and video and data segment.
The multiplexed frame of MF_ID==0 is used for bear control information, and each multiplexed sub frame is made up of a control information table.
The multiplexing payload of=0 multiplexed frame generally all is made up of the multiplexed sub frame of several data, and the multiplexed sub frame purposes is had nothing in common with each other, as the transmission of different television channels, configuration control information, ESG information etc.Multiplexed sub frame quantity is at 1 to 15, and this class multiplexed sub frame comprises subframe head, video-frequency band, audio section, data segment.Use the indication of multiplexed sub frame head, whether the multiplexed sub frame that can dispose this Traffic Channel comprises the part of audio section, video-frequency band or data segment.
As shown in Figure 3, data segment can contain plurality of kinds of contents, has defined data cell quantity, data cell parameter and the CRC check sign indicating number of these data in data segment header, and wherein the data cell parameter comprises the description to each data cell type and data length.This parameter also can be divided the front that is opened in corresponding data cell rather than be concentrated in the data segment header, defines specific data class offset here, and what comprise in the identification data unit is the ESG data, is an ESG data cell.
If want multiplexing ESG information spinner ESG data, the ESG data in the literary composition comprise ESG uncorrected data and ESG formatted data.Wherein the ESG uncorrected data has been represented the initial data of ESG tables of data record, and these tables comprise: traffic table, professional extend information table, contents table, service parameter table and layout table etc., but the present invention is not limited to this.The ESG formatted data has carried out tissue, has described as the data behind the XML coding at the ESG uncorrected data.In addition, ESG information can also comprise ESG model and ESG data file sign URI, and the ESG model is used for the structure that writes down in the description list, as comprising which field in the record, the data type of each field and length or the like, terminal is resolved ESG table data according to these information.URI is the unique identification that system and terminal are distinguished the ESG data file, for example, and ESG data file name, hyperlink etc.
In the present invention,, promptly can be multiplexed in the multiplexed frame of bearer service information, also can be multiplexed in the multiplexed frame of bear control information, perhaps can be multiplexed into simultaneously in the multiplexed frame of bear control information and business information from the multiplex mode of ESG information.And in the multiplexed frame that is multiplexed into bearer service information the time, can use independent multiplexed sub frame transmission ESG information, promptly in this multiplexed sub frame, do not have audio section and video-frequency band, and data segment just is used for the ESG transfer of data.Also audio, video data can be transmitted in multiplexed sub frame together with relevant ESG information, promptly transmit with the road; Perhaps, on different multiplexed sub frames, adopt this dual mode simultaneously.
During transmission, because ESG respectively shows differences such as data applicable cases, real-time requirement and data volume, broadcast system is to transmission repetition rate (frequency) the demand difference of each table data.Therefore, system generally all can generate the ESG data by submeter, respectively scheduled transmission.Like this, various ESG table data separately use different separately ESG data cells to transmit, and the ESG information of certain transmission is in the table of these all or part of types, data record all or part of.General data for same class ESG table, a data unit transmission, unless big especially, need merogenesis.Meanwhile, a plurality of ESG data volumes in the system (as the ESG of today, the ESG of all other times) simultaneous wheels sowing time, need label and distinguish.
From encapsulation form of presentation branch, two kinds of transmission data modes that ESG is basic are arranged: table data encapsulation form of presentation and formatted data encapsulation form of presentation (for example ESG of XML document).The table data mode refers to use payload transmission in the data cell purely, and has only the ESG uncorrected data in the payload.
The format form of presentation is transmission again after the ESG uncorrected data is necessarily organized, described, as encoding through XML.Can be divided into file mode and data block mode again.Wherein:
The ESG data file of file mode after transmission formatting, also to transmit and be used for the unique identification URI that system and terminal are distinguished this ESG data file.And the ESG data file can directly transmission in the ESG of same data segment data cell.Also can use its file of other data segment transmission, even use delivering paths such as broadcasting downloading service or interactive download, make terminal obtain this file.If adopt back two kinds, then payload is URI in the ESG data cell of this data segment.Terminal should be according to this URI, the corresponding different ESG document entities that receive and store with differentiation.This URI can also be used to distinguishing multiple different-format definition such as XML.
The data block mode has then been lacked the link that URI handles, and does not have the independent joint to transmit URI, only needs the ESG data file after the transmission formatting.General delivering path is relatively also dull, and is the same with table data encapsulation form of presentation, also only uses the data cell of multiplexing broadcast mode to transmit.
The ESG model also can utilize above two kinds of encapsulation form of presentations, promptly adopts the uncorrected data transmission, or transmission again after tissue, description.
For the present invention, a kind of in the above various encapsulation form of presentation can be used, also its combination can be used.
Because the ESG payload user data length of an ESG data cell is limited, General System can be provided with maximum, such as 64Kbytes.No matter be at table data mode and formatted data mode, when transmitting the ESG data inadequately, an ESG data unit size all needs to carry out merogenesis, ESG data after being about to handle well, be cut into the different pieces of information joint, as the ESG payload user data of certain ESG data cell, use different ESG data cells to transmit.For formatted data, if when transmission merogenesis, UE generally will receive all General Logistics Departments that save foreign exchange and just resolve.
In addition, in order to improve efficiency of transmission, the ESG data are transmitted after can also compressing again.
The data cell of ESG information is encapsulated in the data segment, and in the present embodiment, the structure of this ESG categorical data unit as shown in Figure 4.
The ESG data cell is made up of ESG head, ESG payload user data and CRC check sign indicating number.
Wherein, the ESG head comprises compositions such as following field: ESG table sign, Data Identification, version number, compression algorithm type, ESG payload user data type, table description type, reference identification, joint sequence number, total joint number.Wherein:
ESG shows sign: be used for distinguishing the affiliated ESG tables of data of data of ESG payload user data, and can the tabulation of definition list identifier constant.Especially, can use special constant to represent that the ESG payload user data of this data cell is not at certain table, but all or certain several tables are ESG fileinfos of specific format (for example XML), each table sign is contained in this document.
Data Identification: as the data volume sign, the data volume that expression ESG payload user data is belonged to.Take turns sowing time as a plurality of ESG data volumes in the system (ESG of today, the ESG of all other times), the Data Identification of ESG gauge outfit is used to identify these different data volumes at this moment.
Version number: the protocol version of expression ESG.
The compression algorithm type: being used to indicate the ESG payload user data is the ESG data of uncompressed, still adopts the compression algorithm compression data afterwards of which kind of type.The compression type value is pre-defined.Terminal is according to the indication decompressed data.
ESG payload user data type: indication ESG payload user data is ESG model or ESG data.' 0 ' expression is the ESG model, and ' 1 ' expression is the ESG data.
Reference identification: what the ESG payload user data of expression notebook data unit comprised is ESG information data itself, or the sign URI of reference data file.ESG information data itself represents that with ' 0 ' URI of reference data file represents with ' 1 ' in this way in this way.
Table is described type: the ESG payload user data of expression notebook data unit adopts table data encapsulation form of presentation (with ' 0 ' expression), still adopts formatted data encapsulation form of presentation (with ' 1 ' expression).
The joint sequence number: what represent this ESG payload user data transmission is which data section of these ESG data.The joint sequence number is a numbering to these data section.Minimum value is 1, and maximum is the total joint numbers of the data of this ESG gauge outfit.
Total joint number: represent that these ESG data transmit in the ESG data cell, being divided into is that how many data section are come multiplexing transmission.Be that what ESG payload user data are the ESG data be divided into, used what data unit to transmit.
As adopt formatted file such as XML transmission ESG information, general:
ESG payload user data type=1;
Reference identification=1;
Table is described type=1;
Generate the XML document of ESG, compression the document, merogenesis transmits.If the formatted document of other modes, can be by the distinguishing identifier such as suffix mode of its URI.The byte length of ESG payload user data can use determined values such as this ESG data unit length and ESG gauge outfit length to calculate and get, and is: data unit length-(ESG head length degree+CRC length).Wherein ESG head length degree and CRC length are made as fixed value.
As shown in Figure 5, be the multiplexed frame that adopts bear control information, promptly transmit a kind of embodiment of ESG information by control channel.During the sign MF_ID==0 of multiplex frame head, the multiplexed frame payload comprises a plurality of control information tables, and the basic description list of ESG is a kind of control information table.This table tables of data understands how the data message of ESG tables of data uses the configuration of the multiplexing transmission of business, control channel, and carries the ESG data message in case of necessity.
As shown in Figure 6, in the basic description list of ESG, comprise gauge outfit, a plurality of ESG data unit length and corresponding ESG data cell and CRC check sign indicating number.Wherein the definition of ESG data cell is with the data cell definition of Fig. 4.The CRC check sign indicating number is 32 bits, comprises crc value, and this CRC is at the gauge outfit and the additional data of this section.
Each parameter field implication of gauge outfit is as follows:
Table sign: the corresponding table sign definition in multiplex system of the basic description list of ESG, with other control information list area branches.
Segment length: multiplexer comprises the length of table identification number and crc field with the ESG information section of being divided into, and unit is a byte.
The basic description list section of segment number: ESG sequence number begins counting by 0.The segment number field be used for decoder with specific sublist the section reconfigure with original order.
The hop count amount that the basic description list of hop count amount: ESG is cut apart.
Time zone: the time zone that indication ESG sends.
The character code type: the character code type, for example, UTF-8 etc.
Upgrade sequence number: ESG describes table updating sequence number, is at outside the additional data, and the basic description list gauge outfit of ESG part is indicated the sequence number of its data variation, the value that in 0～15 scope, circulates, and the variation of additional data can not cause upgrading the change of sequence number.
The additional data indication: indicate this transmission whether ancillary data is arranged, ' 1 ' expression has, and ' 0 ' expression does not have, and additional data is designated as ' 1 ' in this example, so ESG data cell, data unit length, ESG data cell quantity information are arranged.If additional data is designated as ' 0 ', then the basic description list of this ESG represents that mainly the ESG data transmit on the Traffic Channel of what service identification.
Network number: represented information such as network title, country, network-level.
The quantity of ESG table: quantity, the quantity of all tables rather than the quantity of renewal of the ESG table of system side notice.
A plurality of ESG table parameters, each comprises: ESG shows sign: the sign of ESG table is used for representing ESG table type; Data Identification: implication is with the Data Identification of ESG head; Table version number: the version number that refers to the ESG table here; Service identification: the service identification at ESG place.
Number of data units: refer in the additional data, comprise the quantity of ESG data cell.
In sum, ESG transmission method of the present invention by control channel communicating control information table, comprises the basic description list of ESG, and this table is described the service identification of ESG data block use etc.Use described Traffic Channel multiplexed sub frame data segment, dispose by the multiplexed sub frame head, can be with the relevant ESG information of multiplexed sub frame, transmit with its audio, video data, make terminal only under the situation of opening same time slot, just, can receive these ESG information receiving business datum simultaneously.In like manner, the present invention also can make the ESG data use the transmission of separate operation multiplexed sub frame, comparatively fast transmits a large amount of ESG information.This mode can be used for the wheel of complete ESG data message (for example all ESG etc.) to be broadcast, and when the starting terminal mobile multimedia is used, generally can require to receive earlier this complete ESG data message.In addition, the ESG data can also use control channel to transmit.Can be used for a small amount of, basic, important ESG information, reliable, fast, the transmission of low discharge.
In a word,, be the ESG transmission of mobile multimedia broadcast system owing to can use control channel or Traffic Channel multiplexing transmission ESG information flexibly, and service application, great flexibility is provided.
Claims (8)
1. the transmission method of a mobile multi-media broadcast electronic service guidance is characterized in that, described method comprises the steps:
(a) multiplexer receives electronic business guiding information;
(b) multiplexer is multiplexed into electronic business guiding information in the multiplexed frame of the multiplexed frame of bear control information or bearer service information;
(c) multiplexer sends to the broadcast transmission station with multiplexed frame;
(d) mobile subscriber terminal is given with the multiplexed frame modulate emission in the broadcast transmission station.
2. transmission method according to claim 1 is characterized in that:
Described multiplexer is divided into one or more sections with electronic business guiding information, be multiplexed into the multiplexed frame of bear control information, the multiplexing payload of this multiplexed frame comprises one or more control information tables, comprising the basic description list of at least one electron service instruction, this table comprises the information of configuration how data information of electronic service directory uses the multiplexing transmission of control channel.
3. transmission method according to claim 1 is characterized in that:
Described electronic business guiding information is multiplexed into the multiplexed frame of bearer service information, the multiplexing payload of this multiplexed frame comprises one or more multiplexed sub frames, electronic business guiding information uses independent multiplexed sub frame transmission, and/or audio, video data and associated electrical business guide information are transmitted in multiplexed sub frame together; Described multiplexed sub frame comprises frame head and data segment, multiplexing one or more electron service instruction data unit that comprise electron service instruction data head and electron service instruction data payload in the described data segment also write type, the length information of data cell quantity and each data cell in data segment.
4. transmission method according to claim 1 is characterized in that:
Described electronic business guiding information comprises electron service instruction data, it is the data message of traffic table, professional extend information table, contents table, service parameter table and layout table, data record is all or part of in the table that certain electrons transmitted business guide data are these all or part of types, and at the electron service instruction data head of respective electronic business guide data cell table under the electron service instruction data in the carrying of electronic service guide table mark for marking payload user data.
5. transmission method according to claim 3 is characterized in that:
In the described step (b), the data length of electronic business guiding information is during greater than the maximum electron business guide payload user data length of an electron service instruction data unit, electron service instruction data after then will handling well is cut into the different pieces of information joint, use merogenesis encapsulation in different electron service instruction datas unit to transmit, and in the electron service instruction data head of each electron service instruction data unit, indicate the joint sequence number of electron service instruction data in total joint number of cutting and the notebook data unit.
6. transmission method according to claim 3 is characterized in that:
In the described step (b), electronic business guiding information is carried out compression handled, and in the electron service instruction data head, indicated the compression type of use; Described step (d) mobile phone users indicates decompressed data according to this.
7. transmission method according to claim 3 is characterized in that:
The data message of described each data type of electron service instruction is divided into a plurality of electron service instruction data pieces, and labels in the electron service instruction data head and distinguish, and the division rule of this data block comprises by reproduction time to be divided.
8, transmission method according to claim 2 is characterized in that:
Comprise following field in the gauge outfit of the basic description list of electron service instruction: quantity and one or more electronic service guide table parameter of table sign, segment length, segment number, hop count amount, electronic service guide table write electronic service guide table sign, Data Identification, table version number, service identification information in the electronic service guide table parameter.
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| CN101325480B (en) * | 2007-06-13 | 2012-05-23 | 中兴通讯股份有限公司 | Scrambling control method and device based on multiplexing subframe |
| CN101102545B (en) * | 2007-07-24 | 2010-08-18 | 中兴通讯股份有限公司 | System and method for generation and transmission of mobile multi-media broadcast service guidance |
| CN101102449A (en) * | 2007-08-10 | 2008-01-09 | 中兴通讯股份有限公司 | Electronic service guidance dispatching system and method |
| CN101119466B (en) * | 2007-09-10 | 2011-05-25 | 中兴通讯股份有限公司 | Electric service instruction updating transmission method |
| CN102291683B (en) * | 2011-08-16 | 2017-12-22 | 中兴通讯股份有限公司 | The methods, devices and systems that mobile multimedia broadcasting electronic newspapers issue |
| CN102523478A (en) * | 2011-12-14 | 2012-06-27 | 展讯通信（上海）有限公司 | Method and device for testing digital television terminal |
| KR101683409B1 (en) * | 2012-10-10 | 2016-12-06 | 지티이 코포레이션 | Encapsulation of video scanning format information for media transport and storage |
| CN108513141A (en) * | 2018-03-26 | 2018-09-07 | 深圳市景阳信息技术有限公司 | A kind of receiving/transmission method of data, device and equipment |
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