CN100518353C - Transmission method for electronic service guide dat information based on XML - Google Patents
Transmission method for electronic service guide dat information based on XML Download PDFInfo
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- CN100518353C CN100518353C CNB2007100730644A CN200710073064A CN100518353C CN 100518353 C CN100518353 C CN 100518353C CN B2007100730644 A CNB2007100730644 A CN B2007100730644A CN 200710073064 A CN200710073064 A CN 200710073064A CN 100518353 C CN100518353 C CN 100518353C
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Abstract
This invention discloses a transmission method for data information of electronic service instructions including: dividing data information into one or many kinds of service information, layout information, content information and service parameter information according to their kinds to identify the fields with data kind, in which, said data information is based on the XML format, the sorted data information is segmented in blocks and differentiated by data blocks, the data blocks are segmented into several sections by section sequence number fields, the data units of the data section correspond to the multiplex subframes, then the data information is kept into a data unit of multiplex subframes to be transmitted in a logic channel of electronic service directory.
Description
Technical field
The present invention relates to the data information of electronic service directory in the mobile multimedia broadcast system, relate in particular to formation and transmission and its implementation based on the mobile multimedia broadcast system data information of electronic service directory of XML.
Background technology
Along with the development of digital broadcasting technology, made that adopting the digital satellite broadcasting technology to provide such as mobile phone TV services becomes possibility, and the business of mobile TV makes that also constantly increasing the business of mobile TV is more and more abundanter.It not only supports live telecast, urgency traffic broadcasting, and Email, but also support the electronic traffic information navigation, and other business or the like.
Yet, because the increase of television channel quantity makes the user be difficult to find easily TV programme of being liked or the program that will play from numerous television channel programs.So, need a kind of and the direct mutual guide that represents navigation information of spectators user, and electron service instruction produces at this demand.
Data message is the main body of ESG, has described the business information relevant with mobile multi-media broadcasting service, arrangement information, content information and business parameters data, transmits in ESG (electron service instruction) service logical channels.ESG operates on user's the terminal equipment, for the relevant information that the terminal use provides mobile multi-media broadcasting service, as Business Name, reproduction time, content outline etc., is convenient to quick retrieval and the visit of user to business.
This huge ESG data message needs mobile media broadcasting network to be sent on user's the terminal.Yet, on the one hand, because the bandwidth constraints of mobile media broadcasting network; On the other hand, consider that the computational resource of portable terminal and memory space are limited, and the problems such as life-span of the performance of portable terminal and battery electrification time, so many ESG data message may not be handled and store to user's portable terminal.Therefore, design is suitable for the formation of the data message of ESG under the mobile media broadcasting network, and the terminal that guarantees the user can receive the data message of most important or essential ESG at least, is vital.
There is following problem in the ESG data message in the prior art, and the first, the ESG data message is too huge, and these ESG data messages of broadcast transmission need consume too much wireless bandwidth, and terminal receives these data and also will consume many resources; The second, ESG data message design is unreasonable, if consider in the process of transmission packet loss appears, transmission is interrupted and problems such as terminal equipment limited storage space, it is unavailable the ESG data message that terminal equipment receives then can to occur.For example, terminal has received the content information class of ESG data message, but has lost the information of the reproduction time of this content information class, makes the user can't know the schedule information or the like of the content play of program.
For this reason, design the ESG data message that fully to describe media content, and make the ESG data message have extensibility, and in transmission course, can not take too much wireless bandwidth, also to consider the problems such as length of the electrification time of the performance of user terminal and its battery, be one and have challenging task.It has become the important topic that mobile media broadcasting network ESG data message design aspect especially must solve.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of transmission method of the electronic service guidance data information based on XML, described method can make the metadata structure of data message be with good expansibility, and can satisfy the demand that the electron service instruction in the mobile multimedia broadcast system is constantly expanded.
In order to address the above problem, the present invention proposes a kind of transmission method of data information of electronic service directory, described method comprises: data message is divided according to type, be divided into one or more in business information class, arrangement information class, content information class and the business parameters data class, distinguish by the data type identification field, wherein, above-mentioned data message is based on the XML form; Sorted data message is cut apart by piece, distinguished by the data block identification field; Data block is divided into some joints, distinguishes by the joint sequence number field, and data section is corresponding one by one with the data cell of multiplexed sub frame; Data message is packaged into the data cell of multiplexed sub frame, in the electron service instruction service logical channels, transmits.
Further, the transmission method of above-mentioned data information of electronic service directory, it is characterized in that: the type of data message comprises the business information class, is to represent the data information of electronic service directory that navigation information must be wanted, and it comprises business element and professional extensible element.
Further, the transmission method of above-mentioned data information of electronic service directory, it is characterized in that: described business information class comprises business element, professional base attribute has been described, comprise that type of service, professional classification, service parameter sign, Business Name, Business Name describe that character string, Business Name are described the languages attribute, freely indicated, key obtains descriptor, service identification number one or more.
Further, the data information transmission method of above-mentioned electronic service guide table, it is characterized in that: described professional extensible element, professional extended attribute has been described, comprise with the relevant professional extended description of languages, business description, service provider, professional languages describe, one or more in the dtd of linguistic property with the relevant professional extended description of languages, multimedia element, multimedia element, extensible element, service identification number.
Further, the data information transmission method of above-mentioned electronic service guide table is characterized in that: described arrangement information class, content information class and business parameters data class provide zero-time, the programm name of describing program respectively, the attribute of program, and the required parameter of access service.
Further, the data information transmission method of above-mentioned electronic service guide table, it is characterized in that: described arrangement information class comprises the layout element, the layout corresponding relation of professional and content has been described, playing programs zero-times etc. comprise that linguistic property, time started, time started element data type definition, free indication, live indication, playback indication, the key of service identification number, content identification, subject element, theme, subject element obtains descriptor, layout identifies.
Further, the data information transmission method of above-mentioned electronic service guide table, it is characterized in that: described content information class comprises content element, described the attribute of program, comprised the dtd of classifying content, content type, duration, multimedia element, multimedia element, with the relevant content description element of languages, keyword, summary, title, the indication of content sound accompanying language, subtitle language indication, with linguistic property, service parameter sign, extend information, the content identification of the relevant content description element of languages.
Further, the data information transmission method of above-mentioned electronic service guide table is characterized in that: described business parameters data class comprises affair param elements, service parameter sign.
Compared with prior art, the metadata structure that the present invention proposes based on the data information of electronic service directory of the mobile multimedia broadcast system of XML form, be with good expansibility, the development need that can satisfy mobile multi-media broadcasting service (for example, the business of mobile TV), and the variation that adapts to the ESG data message, promoted the availability and the core competitiveness of system.
Description of drawings
Fig. 1 is the root element structure of data information of electronic service directory among the embodiment;
Fig. 2 is the business element data type Schema structure of data information of electronic service directory among the embodiment;
Fig. 3 is the professional extensible element data type Schema structure of data information of electronic service directory among the embodiment;
Fig. 4 is the layout element data type Schema structure of data information of electronic service directory among the embodiment;
Fig. 5 is the content element data type Schema structure of data information of electronic service directory among the embodiment;
Fig. 6 is the service parameter element data type Schema structure of data information of electronic service directory among the embodiment;
Fig. 7 is the Time of Day data type Schema structure of data information of electronic service directory among the embodiment;
Fig. 8 is the media type data type Schema structure of data information of electronic service directory among the embodiment.
Embodiment
For ease of profound understanding technology contents of the present invention, the present invention is described in detail below in conjunction with drawings and the specific embodiments.
In mobile multimedia broadcast system, the function of ESG is the relevant information that mobile multi-media broadcasting service is provided for the terminal use, as Business Name, reproduction time, content outline etc., is convenient to quick retrieval and the visit of user to business.
In mobile multimedia broadcast system, ESG is made of basic descriptor, data message and program prompt information.
Data message is the main body of ESG, has described the business information relevant with mobile multi-media broadcasting service, arrangement information, content information and business parameters data, transmits in the ESG service logical channels; Basic descriptor is the control information of ESG, described data message in the distribution condition of ESG service logical channels, update mode etc., transmits in the control logic channel; Program prompt information is the supplementary of ESG, has described the summary info of professional current slot and next time period broadcast program, with multimedia broadcasting look, audio unit transmits in service logical channels.
Along with the development of mobile multi-media broadcasting service, its ESG is also in constantly changing.In order to adapt to this variation, the invention provides a kind of metadata structure of the ESG data message based on XML.
Data message is packaged into the data cell of multiplexed sub frame, in the ESG service logical channels, transmits.Transmission for the adaptation service logic channel, data message is divided according to type, is divided into business information class, arrangement information class, content information class and business parameters data class etc., distinguishes by the data type identification field, wherein, above-mentioned data message is based on the XML form; Sorted data message is cut apart by piece, distinguished by the data block identification field; Data block is divided into some joints, distinguishes by the joint sequence number field, and data section is corresponding one by one with the data cell of multiplexed sub frame.
The present invention is described in further detail with embodiment with reference to the accompanying drawings below.
Fig. 1 is the root element structure of data information of electronic service directory among the embodiment.Data information of electronic service directory mainly comprises business element, professional extensible element, layout element, content element, service parameter element, and version number's attribute, data message publisher element, data message issuing time element, data message copyright owner element, wherein, above-mentioned data message is based on the XML form.：
Business element has been described professional attribute, and as service identification, title, languages etc., professional extensible element has then been described professional extended attribute.Some business elements and professional extensible element have constituted business information.
The layout element has been described information such as the zero-time, programm name of program, and some layout elements have constituted arrangement information.
Content element has been described the attribute of program, and as duration, program introduction, keyword etc., some content elements have constituted content information.
Every element has been described the required parameter of access service, as look, audio code rate, frame frequency etc., some service parameter elements have constituted business parameters data.
Fig. 2 is the business element data type Schema structure of data information of electronic service directory among the embodiment.In general, business element is important, is the data message that represents the ESG that navigation information must want.Wherein, above-mentioned data message is based on the XML form.
Business element has been described professional base attribute.Wherein, type of service (ServiceClass), for example, TV, audio broadcasting, short format video clip, data service, file download, software administration, ESG; Professional classification (ServiceGenre) is professional classification, as digital television services, DARS, data broadcast service, FM broadcasting; Service parameter sign (ServiceParaID), expression is obtained business parameters data according to this sign from professional param elements; If this is 0, illustrate that then this business does not have the corresponding business parameter; Business Name (ServiceName) has been described professional title; Free indication (forFree), " true " expression is free, and " false " represents charge.Key obtains descriptor (CADescriptor), and optional, syntactic definition is expanded in the future; Service identification number (ServiceID), the attribute of business element has identified a business uniquely in Mobile Multimedia Broadcasting transmission multiplexed frame.
Fig. 3 is the professional extensible element data type Schema structure of data information of electronic service directory among the embodiment.Wherein, above-mentioned data message is based on the XML form.
Professional extensible element has been described professional extended attribute.Wherein, with the relevant professional extended description (ServiceAuxLanguageSpecial) of languages, described and the relevant languages of business expansion; Business description (ServiceDescription) provides professional explanation; Multimedia element (Media), indication adopt multi-medium data to describe professional information; The dtd of multimedia element (MediaType) sees Fig. 8 for details, and it comprises purposes (Usage), content type element (ContentType), media data (MediaData), media data (MediaURI); Extensible element (ExtentInfo), professional growth data is described in indication; Service identification number (ServiceID), the attribute of business element has identified a business uniquely in Mobile Multimedia Broadcasting transmission multiplexed frame.
Fig. 4 is the layout element data type Schema structure of data information of electronic service directory among the embodiment.Wherein, above-mentioned data message is based on the XML form.
The layout element has been described the layout corresponding relation of professional and content, playing programs zero-time etc.Wherein, service identification number (ServiceID), the attribute of business element has identified a business uniquely in Mobile Multimedia Broadcasting transmission multiplexed frame; Content identification (ContentID), the overall situation is unique; Theme (Title) element; Time started (StartTime), time started element data type definition (UTCDateTimeType) sees Fig. 7 for details, for example, date element, form " xxxx-xx-xx ", the expression year-moon-Ri, and time element, form " xx:xx:xx ", during expression: divide: second; Free indication (forFree) is Boolean type, and " true " expression is free, and " false " represents charge; Live indication (Live), " true " expression is live, and " false " represents video recording; Playback indication (Repeat), " true " represents to replay, and " false " represents first broadcast; Key obtains descriptor (CADescriptor), in the future expanded definition; Layout sign (ScheduleID), the layout attribute of an element, the overall situation is unique.
Fig. 5 is the content element data type Schema structure of data information of electronic service directory among the embodiment.Wherein, above-mentioned data message is based on the XML form.
Content element has been described the attribute of program.Wherein, classifying content (ContentClass), the type of presentation medium content, the value of single content type are " text ", " image ", " audio ", " video " or " application ", compound content type is " multipart "; Content type (ContentGenre), the classification of content; Duration (Duration), the reproduction time length of program perhaps in the expression, unit is second; Multimedia element (Media), indication adopt multi-medium data to describe professional information; The dtd of multimedia element (MediaType), see Fig. 8 for details, it comprises purposes (Usage), content type element (ContentType), media data (MediaData), media data (MediaURI), and media data indicates a URI to connect; With the relevant content description element (ContentLanguageSpecial) of languages; Extend information (ExtentInfo) is represented a URI link, can obtain the more relevant information of current channel/business by this link; Content identification (ContentID), the attribute of content element, the overall situation is unique.
Fig. 6 is the service parameter element data type Schema structure of data information of electronic service directory among the embodiment.
The service parameter element has been described the required parameter of access service.Wherein, service parameter element (Para), dtd is expanded in the future; Service parameter sign (ServiceparaID), the service parameter attribute of an element, the overall situation is unique.Wherein, above-mentioned data message is based on the XML form.
Fig. 7 is the Time of Day data type Schema structure of data information of electronic service directory among the embodiment, has described the expression format of ESG temporal information.Wherein, above-mentioned data message is based on the XML form.Wherein, date element (Date), form " xxxx-xx-xx ", the expression year-moon-Ri; Time element (Time), form " xx:xx:xx ", during expression: divide: second.
Fig. 8 is the media type data type Schema structure of data information of electronic service directory among the embodiment, has described multi-medium data.Wherein, above-mentioned data message is based on the XML form.Purposes (Usage) provides multimedia purposes; Content type element (ContentType), content type are described and are seen RFC2046 (MIME) standard; Media data (MediaData), the base64Binary type; Media data (MediaURI) indicates a URI to connect.
In sum, metadata structure based on the ESG data message of XML under the mobile multimedia broadcast system provided by the present invention is with good expansibility, the development need that can satisfy mobile multi-media broadcasting service (for example, the business of mobile TV), and the variation that adapts to the ESG data message, improved ESG broadcasting efficient that transmits and the core competitiveness that has strengthened product.
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 (7)
1, a kind of transmission method of data information of electronic service directory, described method comprises: data message is divided according to type, be divided into one or more in business information class, arrangement information class, content information class and the business parameters data class, distinguish by the data type identification field, wherein, described data message is based on the XML form; Sorted data message is cut apart by piece, distinguished by the data block identification field; Data block is divided into some joints, distinguishes by the joint sequence number field, and data section is corresponding one by one with the data cell of multiplexed sub frame; Data message is packaged into the data cell of multiplexed sub frame, in the electron service instruction service logical channels, transmits.
2, method according to claim 1 is characterized in that: the business element relevant with described business information class comprises that type of service, professional classification, service parameter sign, Business Name, Business Name describe that character string, Business Name are described the languages attribute, freely indicated, key obtains descriptor, one or more in the service identification number.
3, method according to claim 1 is characterized in that: the professional extensible element relevant with described business information class comprise with the relevant professional extended description of languages, business description, service provider, professional languages describe, one or more in the dtd of linguistic property with the relevant professional extended description of languages, multimedia element, multimedia element, extensible element, service identification number.
4, method according to claim 1, it is characterized in that: described arrangement information class, content information class and business parameters data class, zero-time, the programm name of describing program are provided respectively, the attribute of program, and one or more in the required parameter of access service.
5, method according to claim 1, it is characterized in that: described arrangement information class comprises the layout element, described layout element has been described the layout corresponding relation of professional and content, playing programs zero-time, linguistic property, time started, time started element data type definition, free indication, live indication, playback indication, the key that comprises service identification number, content identification, subject element, theme, subject element are obtained one or more in identifying of descriptor, layout.
6, method according to claim 1, it is characterized in that: described content information class comprises content element, described content element has been described the attribute of program, comprises the dtd of classifying content, content type, duration, multimedia element, multimedia element, one or more with in the relevant content description element of languages, keyword, summary, title, the indication of content sound accompanying language, subtitle language indication, the linguistic property, service parameter sign, extend information, content identification with the relevant content description element of languages.
7, method according to claim 1 is characterized in that: described business parameters data class description the required parameter of access service, comprise one or more in service parameter element, the service parameter sign.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100730644A CN100518353C (en) | 2007-03-07 | 2007-03-07 | Transmission method for electronic service guide dat information based on XML |
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| CNB2007100730644A CN100518353C (en) | 2007-03-07 | 2007-03-07 | Transmission method for electronic service guide dat information based on XML |
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| CN101047916A CN101047916A (en) | 2007-10-03 |
| CN100518353C true CN100518353C (en) | 2009-07-22 |
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| CN101291238B (en) * | 2008-04-24 | 2011-12-07 | 中兴通讯股份有限公司 | Implementing method and system for mobile multimedia data broadcast service |
| CN101854602B (en) * | 2010-05-20 | 2014-06-11 | 中兴通讯股份有限公司 | Method for transmitting and receiving multimedia information and terminal |
| CN101895468B (en) * | 2010-07-09 | 2015-09-16 | 中兴通讯股份有限公司 | A kind of terminal equipment, core network server, business polymerization system and method |
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Effective date of registration: 20180703 Address after: California, USA Patentee after: Global innovation polymerization LLC Address before: 518057 Nanshan District high tech Industrial Park, Shenzhen, Guangdong, Ministry of justice, Zhongxing Road, South China road. Patentee before: ZTE Corp. |
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Granted publication date: 20090722 |