CN100461657C - Method of multiplex of mobile multimedia broadcast electronic service guide - Google Patents
Method of multiplex of mobile multimedia broadcast electronic service guideDownload PDFInfo
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- CN100461657C CN100461657CCNB200610167846XACN200610167846ACN100461657CCN 100461657 CCN100461657 CCN 100461657CCN B200610167846X ACNB200610167846X ACN B200610167846XACN 200610167846 ACN200610167846 ACN 200610167846ACN 100461657 CCN100461657 CCN 100461657C
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Abstract
Description
Technical field
The present invention relates to China mobile multi-media broadcasting technology, specifically, relate to a kind of transmission method of mobile multi-media broadcast electronic service guidance.
Background technology
Mobile phone TV services are that the typical case of China mobile multi-media broadcasting technology uses.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.
Wherein, the uplink interaction technology normally realizes by the mobile network, is mainly professional realization the uplink passage is provided, and guarantees the two-way interactive ability; Operation layer realize technology then be responsible for realizing authentication, charging, the service discovering of mobile phone TV services and obtain, business customizing, content protecting and other use, thereby guarantee runing and can managing of mobile TV; The downlink transfer technology is the key of this business realizing, is responsible for realizing the transmission of TV programme to the user.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, summarizes to get up different downlink transfer technology roughly to be divided into three kinds of implementations:
1. based on the implementation of mobile network's technology
Technology such as MBMS and BCMCS is arisen at the historic moment, and is applied to WCDMA and CDMA2000 system respectively.This type of technology is to improve on the basis of existing mobile radio communication, provide the downlink broadcast channel to the user, its employed frequency still is a mobile communication system place frequency range, for realizing that by mobile data network the mobile phone TV services of broadcast or multicast mode provide condition.
2. based on the implementation of received terrestrial digital broadcasting network technology
The employed technology source of this type 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.
3. based on the implementation of satellite transmits technology
The essence of this class implementation is exactly to provide downlink transfer to realize the mobile phone TV services of broadcast mode via satellite, and the user is by the module of integrated direct receiving satellite signal on mobile phone terminal, just can realize the reception of multi-medium data, typical technology comprises the S-DMB in Europe and the S-DMB of Japan and Korea S etc.
In the mobile multimedia broadcast system, electron service instruction (being called for short ESG) or electronic program guides are a kind of multi-media broadcasting service information navigation systems, the user can understand the relevant information (comprising Business Name, reproduction time, content outline, price etc.) of mobile multi-media broadcasting service by ESG, and realizes quick retrieval, preview and visit to business; It provides a good navigation mechanism for user's TV reception and enjoyment information service, make the user can find the program of oneself being concerned about quickly and easily, check the additional information of program, therefore electron service instruction need in time be transferred to terminal, terminal is in time obtained and showed ESG information, find and use professional.In the mobile multimedia broadcast system, electron service instruction by descending technical transmission to terminal, but in the prior art, when the ESG data volume is big, be difficult to guarantee that ESG in time sends, especially when ESG data volume more again during frequent updating, need in time to terminal carousel, prior art more is difficult to realize.
Summary of the invention
The objective of the invention is to, provide a kind of mobile multi-media broadcast electronic service guidance multiplex method, when the ESG data volume reaches the ESG frequent updating more greatly, can in time broadcast to terminal transmission and wheel, and for making things convenient for terminal processes that the basis is provided.
The present invention is by the following technical solutions:
The multiplex method of a kind of mobile multi-media broadcast service guidance may further comprise the steps:
(1) multimedia broadcasting is divided into a plurality of channels, comprises a control channel and at least one Traffic Channel;
(2) with corresponding control of each multiplexed frame or Traffic Channel, distribute a multiplexed frame sign for each multiplexed frame, multiplexer is multiplexed into the control information of multimedia broadcasting in the appointment multiplexed frame, and adopt the multiplexing payload that will control multiplexed frame and service integration frame based on frequency, time division multiplexing mode to be divided into a plurality of multiplexed sub frames, described control information comprises that terminal is used to locate the frequency of multiplexed sub frame of transport service guidance data and the information of time slot;
(3) with the business guide data encapsulation of multimedia broadcasting at least one multiplexed sub frame of service integration frame, and in the multiplexed sub frame of control multiplexed frame the configuration information of the multiplexed sub frame of the professional guidance data of the described encapsulation of record;
(4) described control multiplexed frame is mapped to the control channel transmission, the service integration frame is mapped to traffic channel transmission; The multiplexed sub frame of professional guidance data of described encapsulation and configuration information is broadcast to the lasting wheel of terminal.
In the above-mentioned steps (2), adopt mode, each multiplexed frame is divided into a plurality of multiplexed sub frames based on frequency, time-sharing multiplex.
In the above-mentioned steps (3), the a plurality of control information tables of encapsulation in the multiplexed sub frame of control information multiplexed frame, comprise network information table, multiplexing allocation list, service allocation list, the basic description list of business guide, wherein, described network information table comprises frequency and the tabulation of preferential frequency that multi-media broadcasting service uses; Described multiplexing allocation list record has transmitted the business of which channel program, and these corresponding relations professional and corresponding relation that carries these professional multiplexed sub frames, multiplexed sub frame and the multiplexed frame under it; Described business configuration table record on all frequencies, channel program is corresponding with frequency; The configuration information of the multiplexed sub frame of the professional guidance data of business guide basic description list record encapsulation comprise the quantity that ESG shows, and each ESG is shown sign, Data Identification, table updating sequence number, service identification.
Further, said method comprises:
(5) terminal is by the configuration information of the multiplexed sub frame of the transport service guidance data that writes down in the basic description list of business guide, and, receive and use the business guide data according to the frequency and the time slot of the multiplexed sub frame of described network information table, multiplexing allocation list, service allocation list location transport service guidance data.
Compared with prior art, the present invention has adopted unique multiplexing transmission system, use independent a plurality of multiplexed sub frame transmission ESG data, multipath concurrence distributes and transmits, and use the control channel indication to transmit the configuration of ESG data multiplexing subframe, make terminal can obtain the ESG data of a plurality of multiplexed sub frame transmission according to the configuration indication, reliability, flexibility and the controllability of ESG transmission have been improved, the interaction response that helps terminal and ESG can be widely used in mobile multi-media broadcasting service fields such as mobile TV.
Simultaneously, in the basic description list of control channel indication transmission ESG, service identification and ESG table sign, table updating sequence number, Data Identification are corresponding, making can be by the transmission that distributes on the multiplexed sub frame of service identification of ESG data situation, Data Identification, for terminal is located quickly, collect the ESG data selectively, the basis of supporting is provided.
Description of drawings
Fig. 1 is a multiplexing transmission architectural schematic of the present invention;
Fig. 2 is a multiplexing method schematic diagram of the present invention;
Fig. 3 is a control multiplexed frame payload structural representation of the present invention;
Fig. 4 is the composition structural representation of the basic description list of ESG of the present invention.
Embodiment
Below in conjunction with the drawings and the specific embodiments, ESG multiple transmission method of the present invention is elaborated.
As shown in Figure 1, multiplexing transmission architecture of the present invention comprises: ESG data, multiplexer, broadcast transmission station and mobile subscriber terminal (UE) etc.
The record of the data represented original ESG data of ESG wherein, these records comprise the various ESG table, as traffic table, content arrangement table, access list, purchase table, purchasing channel table etc.The ESG information of certain transmission can be these the table in all or part of.
With the ESG information that prepare to transmit by above-mentioned record statement after, receive by multiplexer.
Multiplexer of the present invention is divided into a control channel and at least one Traffic Channel with multimedia broadcast channels, with corresponding control of each multiplexed frame (MF) or Traffic Channel.Distribute a multiplexed frame sign MF_ID for each multiplexed frame, the MF_ID scope is 0 to 39, is 39 to the maximum, and ESG information data, AV data, other configuration control number are specified in the multiplexed frame according to being multiplexed into.Multiplexer is multiplexed into the multiplexed frame of MF_ID=0 with the control information of multimedia broadcasting, generates the control multiplexed frame; Business information is multiplexed into all the other multiplexed frames, generates the service integration frame.
As shown in Figure 2, the structure of a multiplexed frame is made up of multiplex frame head, multiplexed frame payload, filling part.The multiplexing payload that the present invention will control multiplexed frame and service integration frame is divided into a plurality of multiplexed sub frames (MSF) again.The present invention adopts based on frequency, time-sharing multiplex mode, and multiplexed frame is divided.
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.
The present invention with the business guide data encapsulation of multimedia broadcasting in a plurality of multiplexed sub frames of service integration frame, and control multiplexed frame multiplexed sub frame in the record these encapsulate the configuration information of the multiplexed sub frame of professional guidance data, and will control multiplexed frame and be mapped to control channel transmission, the service integration frame is mapped to traffic channel transmission.The multiplexed sub frame of these encapsulation ESG data and configuration information continues wheel to terminal and broadcasts.
Fig. 3 is the multiplexed frame payload schematic diagram of control multiplexed frame of the present invention, uses the configuration of the multiplexed frame indication transmission ESG data multiplexing subframe of MF_ID=0.
In the control multiplexed frame payload, comprise a plurality of control information tables.These control information tables comprise network information table (NIT), multiplexing allocation list (MCT), (continuing/non-continuing) service allocation list (SCT), urgent broadcast table, the basic description list of ESG (EDT) etc., above-mentioned control information is relevant with the transmission of ESG data, specifies as follows:
NIT comprise radio network tabulation, the frequency that uses, preferential frequency tabulation and network time information.Each frequency is exactly the frequency of multiplexing transmission.Network information table is known a preferential frequency at least by receiving terminal, is used for setting up initial link with radio network.
MCT mainly shows the mode of current frequency time-sharing multiplex, comprises how these time slots distribute use, have transmitted which business datum, and these business datums and the corresponding relation of corresponding relation, multiplexed frame and multiplexed sub frame.
SCT shows mainly on all frequencies that channel program or data are corresponding with frequency, and promptly program or data at which frequency are transmitted respectively.
Write down the configuration of transmission ESG data multiplexing subframe among the EDT, comprised the quantity and the ESG table parameter of ESG table, comprised each ESG table sign, Data Identification, table updating sequence number, service identification in the ESG table parameter, as shown in Figure 4, wherein:
The quantity of ESG table: be the quantity of the ESG table that comprises of system side broadcasting ESG data, and be meant the quantity of all tables rather than the quantity of renewal.
ESG shows sign: the sign of ESG table is used for distinguishing different ESG tables.For example, if the ESG data of transmission comprise ESG tables such as traffic table, contents table, layout table, service attribute table, professional expansion table, it is distinguished with ESG table sign.
Data Identification: the sign of an ESG data instance of expression.
Table updating sequence number: the more new logo that refers to the data of ESG table here.
Service identification: the service identification at ESG place, the service identification overall situation is unique, has identified a business uniquely in Mobile Multimedia Broadcasting transmission multiplexed frame.
When which identical or several different multiplexed sub frame was needs signs use transmit ESG, service identification can be different.
Terminal is by the configuration information of the transmission ESG data multiplexing subframe that writes down among the EDT, and unite the related data of utilizing among above-mentioned SCT, the MCT, can locate the frequency and the time slot of transmission ESG data multiplexing subframe, thereby correctly receive and use the data message of ESG.
Simultaneously, there are corresponding relation in ESG table sign and table updating sequence number and service identification, for terminal is located quickly, collect the ESG data selectively, and the basis of supporting is provided.
As, there are a plurality of service identifications to transmit the ESG data simultaneously, wherein have only the Data Update of part table, the table updating sequence number of the table of these Data Update changes, and the table updating sequence number of other tables is constant.Terminal can be on the basis of buffer memory, as long as receive the data of the table that these renewals have changed, can continue to use the information of buffer memory for the data of the table that not have variation.So just the data that can utilize Fig. 4 to define are located the service identification that transmit at the place easily, collect the ESG data of correspondence table.
For another example, the ESG table that often changes for data, such as the layout table etc., the ESG table that seldom changes with data, for example traffic table etc. can separately be transmitted on the multiplexed sub frame of different business sign.Terminal just need not be frequently switched or is called in the different business sign like this.
In addition, also there are corresponding relation in Data Identification and service identification, provide convenience for the ESG data volume distributes to transmit.
Data volume is the general designation of example that is broadcast to the ESG data of portable terminal, and its content comprises the data of one or more records of ESG table.For the ESG data of forms such as XML, also comprised the formatted message of self-described, self-organizing, can comprise the data record of one or more ESG tables.
As, the ESG data that data volume is this week, another is the ESG data of next week.These two data volumes separately can be transmitted on the multiplexed sub frame of different business sign.The ESG data of general this week can be paid close attention to by the user more, and terminal should preferentially receive and use, and with the ESG Data Receiving of next week as optional function.
The present invention is owing to use a plurality of multiplexed sub frames transmission ESG data, and can be according to the structure of Fig. 4 definition, and the configuration of a plurality of multiplexed sub frames of record transmission ESG data just provides guarantee for flexible, high efficiency reliable transmission ESG information data in control information.
The present invention is owing to use a plurality of multiplexed sub frames transmission ESG data, therefore can concurrent transmissions ESG data, and it is big and reach the contradiction that hour wheel is broadcast to be used to solve the ESG data volume, and making frequent wheel broadcast problem such as ESG data can better solve.
Simultaneously, the configuration of a plurality of multiplexed sub frames of record transmission ESG data in control information, also the multiplexed sub frame that takies for dynamic assignment ESG provides the foundation, and has increased system flexibility.And, use different multiplexed sub frames to come a plurality of ESG table of multiplexing transmission data also to become possibility, therefore can control, optimize the distribution that ESG respectively shows transfer of data.
In a word, the present invention adopts multiplexing, the multipath concurrence distribution transmission of control channel indication ESG, with multiplexed subframe transmission ESG, further increased ESG transmission performances, reliability, flexibility and controllability, and helped improving the performance of ESG and user terminal interaction response.
Claims (9)
1. multiplex method of mobile multi-media broadcast service guidance may further comprise the steps:
(1) multimedia broadcasting is divided into a plurality of channels, comprises a control channel and at least one Traffic Channel;
(2) with corresponding control of each multiplexed frame or Traffic Channel, distribute a multiplexed frame sign for each multiplexed frame, multiplexer is multiplexed into the control information of multimedia broadcasting in the appointment multiplexed frame, and adopt the multiplexing payload that will control multiplexed frame and service integration frame based on frequency, time division multiplexing mode to be divided into a plurality of multiplexed sub frames, described control information comprises that terminal is used to locate the frequency of multiplexed sub frame of transport service guidance data and the information of time slot;
(3) with the business guide data encapsulation of multimedia broadcasting at least one multiplexed sub frame of service integration frame, and in the multiplexed sub frame of control multiplexed frame the configuration information of the multiplexed sub frame of the professional guidance data of the described encapsulation of record;
(4) described control multiplexed frame is mapped to the control channel transmission, the service integration frame is mapped to traffic channel transmission; The multiplexed sub frame of professional guidance data of described encapsulation and configuration information is broadcast to the lasting wheel of terminal.
2. the method for claim 1 is characterized in that: in the described step (2), adopt the mode based on frequency, time-sharing multiplex, each multiplexed frame is divided into a plurality of multiplexed sub frames.
3. the method for claim 1, it is characterized in that: described business guide data comprise the multiple business guide tab.
4. method as claimed in claim 3 is characterized in that: in the described step (3), different business guide gauge seals is installed in the different multiplexed sub frames.
5. the method for claim 1, it is characterized in that: in the described step (3), the a plurality of control information tables of encapsulation in the multiplexed sub frame of control multiplexed frame, comprising the basic description list of business guide, the configuration information record of the multiplexed sub frame of the professional guidance data of described encapsulation is in the basic description list of this business guide.
6. the method for claim 1, it is characterized in that: in the described step (3), the configuration information of at least one multiplexed sub frame of the professional guidance data of described encapsulation, the quantity, each business guide table sign, Data Identification, table updating sequence number and the service identification that comprise the business guide table, the quantity of wherein said business guide table, the quantity of the business guide table that expression system side broadcast business instruction data comprise, described business guide table sign is a sign of distinguishing different business guide tables; Described Data Identification is the sign of a business guide data instance of expression; Described table updating sequence number is the sign whether data of expression business guide table have renewal; Described service identification is the service identification at expression business guide place, and service identification has identified a business uniquely in Mobile Multimedia Broadcasting transmission multiplexed frame.
7. method as claimed in claim 5, it is characterized in that: described a plurality of control information tables, wherein also comprise network information table, multiplexing allocation list, service allocation list, wherein said network information table comprise radio network tabulation, the frequency that uses, preferential frequency tabulation and network time information; Described multiplexing allocation list has write down the mode of current frequency time-sharing multiplex, and how time slot distributes use, and writes down which business of having transmitted, and these correspondence, multiplexed sub frames professional and multiplexed sub frame are corresponding with its affiliated multiplexed frame; Described business configuration table record on all frequencies, professional and frequency corresponding.
8. method as claimed in claim 7 is characterized in that, further comprises:
(5) terminal is by the configuration information of the multiplexed sub frame of the transport service guidance data that writes down in the basic description list of business guide, and, receive and use the business guide data according to the frequency and the time slot of the multiplexed sub frame of described network information table, multiplexing allocation list, service allocation list location transport service guidance data.
9. method as claimed in claim 8 is characterized in that: terminal is according to the table updating sequence number in the basic description list of business guide, and selective reception has the data of the business guide table of renewal.
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| CNB200610167846XACN100461657C (en) | 2006-12-18 | 2006-12-18 | Method of multiplex of mobile multimedia broadcast electronic service guide |
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| CNB200610167846XACN100461657C (en) | 2006-12-18 | 2006-12-18 | Method of multiplex of mobile multimedia broadcast electronic service guide |
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| CN100461657Ctrue CN100461657C (en) | 2009-02-11 |
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| KR101441130B1 (en)* | 2008-01-08 | 2014-09-23 | 삼성전자주식회사 | Method and apparatus for transmitting and receiving control information in a broadcast communication system |
| CN101547068B (en)* | 2008-03-24 | 2012-02-22 | 华为技术有限公司 | Method and device for mapping traffic channel resources and control channels |
| CN101355397B (en)* | 2008-09-16 | 2011-03-16 | 中兴通讯股份有限公司 | System and method for obtaining electric business guide by mobile terminal |
| CN101414887B (en)* | 2008-11-27 | 2011-03-16 | 中兴通讯股份有限公司 | Method and system for implementing data broadcast |
| WO2010072033A1 (en)* | 2008-12-25 | 2010-07-01 | 中兴通讯股份有限公司 | Method for receiving and delivering electronic service guide (esg) and receiving device for receiving esg |
| CN101771950A (en)* | 2009-01-05 | 2010-07-07 | 中兴通讯股份有限公司 | MBS (Mutual Broadcasting System) control channel indication method, MBS data and MBS subframe configuration information transmitting method |
| KR101652808B1 (en)* | 2009-03-19 | 2016-09-01 | 엘지전자 주식회사 | Transmitting/receiving system and method of processing data in the transmitting/receiving system |
| CN101925184B (en) | 2009-06-11 | 2015-07-22 | 中兴通讯股份有限公司 | Resource mapping method of broadcast control channel |
| CN108199855A (en)* | 2017-05-11 | 2018-06-22 | 南京义怀数据系统有限公司 | Bidirectional multimedia communication method based on digital broadcasting |
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