CN101197739B - Transmission system of mobile multimedia broadcast electric service instruction - Google Patents
Transmission system of mobile multimedia broadcast electric service instruction Download PDFInfo
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- CN101197739B CN101197739B CN2006101619705A CN200610161970A CN101197739B CN 101197739 B CN101197739 B CN 101197739B CN 2006101619705 A CN2006101619705 A CN 2006101619705A CN 200610161970 A CN200610161970 A CN 200610161970A CN 101197739 B CN101197739 B CN 101197739B
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Abstract
Aiming at resolving the technical problem, the invention provides a transmission system for mobile multimedia broadcasting electronic service guide, comprising electronic service guide information offering equipment, a multiplexer, a broadcast transmission station and mobile terminals; the invention is characterized in that: the electronic service guide information offering equipment is used to generate the electronic service guide basic description list based on the configuration data of the electronic service guide multiplexing transmission indication information; the multiplexer is used to receive the data of the electronic service guide basic description list which are ready to send and multiplex the data to the multiplexing frame corresponding to a control channel. The system of the invention adopts the control channel data information indicating ESG multiplexing transmission and the independent multiplexing subframe transmitting ESG, thereby the invention has the advantages of improving the performance of the ESG transmission and helping terminals enhance the capability of the user interactive response of the ESG application; moreover, the invention can be widely applied in the mobile multimedia broadcast service field such as mobilephones and televisions, etc.
Description
Technical field
The present invention relates to China mobile multi-media broadcasting technology, in particular, is in mobile multimedia broadcast system, and the system of a kind of multiplexing transmission electron service instruction (ESG) is provided for mobile subscriber terminal equipment (UE).
Background technology
Mobile phone TV services are that the typical case of China mobile multi-media broadcasting technology uses, and electromechanics is looked form of service at first while you're at it, introduces background of related.
At present, the mobile phone TV services that global most of mobile operator (especially 3G operator) are released based on various heterogeneous networks, substantially can be according to realizing and be divided into following two big classes based on mobile network (2.5G or 3G) or based on the digital broadcast television network:
Mobile phone TV services based on mobile network's realization.Some is the live broadcast of Streaming Media form, and some is to specialize in the TV play short-movie that the mobile subscriber downloads, and all plays by multimedia software on customer mobile terminal.The main feature of streaming media transmission technique is to carry out the transmission of multi-medium data with the form of " stream ", client does not need to download earlier entire media file before broadcast, but when the information of having received in buffer area plays, the remainder of multimedia file is downloaded to client from server continuously, i.e. " download on the limit, and play on the limit ".This form has avoided the user will wait for a period of time when watching or listening to Media Stream could download to client to complete file, thereby brings the professional sensory experience of " playing in real time " to the user.As the mobile operator of main body can be own or content integrator and program making merchant by the downstream provide service for the user.ESG under this mode can obtain by the HTTP interactive mode.
Based on digital broadcast television network (satellite/terrestrial digital television network broadcast) or by combine the mobile TV service mode that realizes with the mobile network, need independently digital broadcast television network of one of investment construction, provide service by on mobile phone terminal, increasing corresponding module then.Therefore the similar traditional radio network management mode of this mode is also referred to as the broadcasting and TV pattern.Because the difference of transmission network, this pattern has produced specific requirement to mobile phone terminal.At present, Samsung has released the dual-mode handset based on DMB/CDMA2000EV-DO, and Nokia is also just at the mobile phone TV terminal of active development based on DVB-H.Generally the ESG One-to-All Broadcast is pushed to terminal under this mode.
The application of mobile TV can utilize network capabilities to greatest extent concerning mobile operator, 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.China should catch the current opportune time to actively develop mobile TV technology and Study on standards work, thereby creates conditions in the benign development of China for this business.
The content that the present invention narrated is the transmission about the ESG data.Broadcast system in the digital broadcast network system, descending propelling movement ESG data.Business is found and used to the ESG information that the user uses terminal to obtain and show.Also there is not corresponding standard at present.
Summary of the invention
The technical problem that will solve of the present invention is in mobile multimedia broadcast system, for mobile subscriber terminal equipment provides a kind of electron service instruction (ESG) system for transmitting.
In order to solve the problems of the technologies described above, the invention provides a kind of transmission system of mobile multi-media broadcast electronic service guidance, comprise that electronic business guiding information provides equipment, multiplexer, broadcast transmission station and portable terminal, is characterized in that:
Described electronic business guiding information provides equipment, is used for generating the basic description list of electron service instruction according to the configuration data of electron service instruction multiplexing transmission indication information;
Described multiplexer is used to receive the data of preparing the basic description list of electron service instruction that transmits, and it is multiplexed in the multiplexed frame payload of multiplexed frame of control channel correspondence.
Further, above-mentioned transmission system also can have following characteristics:
Described multiplexer is that the data with the basic description list of electron service instruction are multiplexed into separately in one or more multiplexed sub frames in the multiplexing payload of multiplexed frame.
Further, above-mentioned transmission system also can have following characteristics:
The basic description list of electron service instruction that described electronic business guiding information provides equipment to generate comprises the gauge outfit part, write the table sign of the basic description list of electron service instruction in this gauge outfit, the quantity of electronic service guide table and the parameter information of one or more electronic service guide tables, the parameter information of each table comprises at least: electronic service guide table sign, the type of expression electronic service guide table; Service identification, the employed multiplexing service sign of expression broadcast electric service instruction.
Further, above-mentioned transmission system also can have following characteristics:
During the basic description list of the electron service instruction that described electronic business guiding information provides equipment to generate, also write at the electronic service guide table parameter information of its gauge outfit part: Data Identification is used to identify different data volumes; And table updating sequence number, be used to represent the renewal numbering of the data of each ESG table.
Further, above-mentioned transmission system also can have following characteristics:
During the basic description list of the electron service instruction that described electronic business guiding information provides equipment to generate, also write a kind of or combination in any in the following information: the time zone: the time zone that the indication electronic business guiding information uses; Character code type: character code type; Upgrade sequence number: the sequence number that is used to indicate the variation of the basic description list table header of electron service instruction divided data; Network number: represented network title, country and network-level information.
Further, above-mentioned transmission system also can have following characteristics:
During the basic description list of the electron service instruction that described electronic business guiding information provides equipment to generate, in gauge outfit, also write the additional data indication field, when carrying the data of electron service instruction data unit in this description list, there is additional data in this field indication, and in gauge outfit, also write number of data units, be used for indicating the number of the electron service instruction data unit that this table comprises.
Further, above-mentioned transmission system also can have following characteristics:
Described electronic business guiding information provides equipment also to write this data unit length data in the front of each electron service instruction data unit.
Further, above-mentioned transmission system also can have following characteristics:
Described electronic business guiding information transmits after providing equipment with the basic description list segmentation of described electron service instruction, also writes the information of segment length, segment number and hop count amount in gauge outfit.
Compared with prior art, the present invention has adopted unique multiplexing transmission system, uses control channel data message indication ESG multiplexing transmission, and uses independent multiplexed sub frame transmission ESG, increase the ESG transmission performances, helped the performance that terminal is improved the user interactions response of ESG application.The present invention can be widely used in mobile multi-media broadcasting service fields such as mobile TV.
Description of drawings
Fig. 1 is a multiplex transmission system general structure schematic diagram of the present invention;
Fig. 2 is a multiplexing method schematic diagram of the present invention;
Fig. 3 is a control information multiplexed frame payload schematic diagram of the present invention;
Fig. 4 is an ESG transmission indication schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing ESG multiplex transmission method of the present invention is described.
The present embodiment system adopts based on frequency, the time-sharing multiplex mode.Related logic entity comprises ESG information providing apparatus, multiplexer, broadcast transmission station and mobile subscriber terminal (UE) etc.
The ESG information providing apparatus is used to provide ESG information, comprises other relevant information of ESG data and ESG.ESG the is data represented record of original ESG information data table, these tables comprise: service information list, content arrangement information table, access list, purchase table, purchasing channel table or the like.The ESG data of certain transmission are all or part of records in these tables.What the present invention paid close attention to is ESG multiplexing transmission indication information, and this equipment needs to generate the basic description list of ESG according to the configuration data of ESG multiplexing transmission indication information.The introduction that concrete generation method sees below.
Multiplexer: be used for obtaining data such as the related data of ESG information and other audio frequency and video and be multiplexed into logic channel, give broadcast transmission station modulate emission.Wherein, configuration data that ESG multiplexing transmission indication information is relevant is multiplexed in the multiplexed sub frame in the multiplexed frame of control channel correspondence.
Broadcast transmission station: be used for the data of modulate emission after multiplexing.
Mobile UE: comprise mobile communication equipments such as mobile phone.Be used to receive the data that the radio network channel transmits, ESG data for example, and to ESG information cache, renewal, inquiry, displaying.
The transmission method of Mobile Multimedia Broadcasting ESG comprises the steps:
Step 1 is according to the basic description list of configuration data generation ESG of ESG multiplexing transmission indication information;
After step 2, multiplexer receive the data of the basic description list of ESG that prepare to transmit, it is multiplexed in the multiplexed sub frame in the multiplexed frame of control channel correspondence;
Though present embodiment is in data multiplex to a multiplexed sub frame with the basic description list of ESG, the present invention does not get rid of it is multiplexed into possibility in a plurality of multiplexed sub frames.
Step 3, multiplexer sends to the broadcast transmission station with multiplexed frame, is transmitted to mobile subscriber terminal by the broadcast transmission station.
In the present embodiment, 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.Other multiplexed frame is mapped to service logical channels.As determining that the multiplexing cycle was 1 second, be divided into 40 parts of time periods (time slot), each multiplexed frame is exactly 25ms.In logic multiplexed frame and time slot mapping are determined by system configuration.Comprise such as the information of ESG data, configuration control number certificate, media data, on multiplexer, be dispensed on certain different time periods, promptly be assigned to different multiplexed frames transmission.
The structure of multiplexed frame is made up of multiplex frame head, multiplexed frame payload, filling part as shown in Figure 2.Wherein multiplexing payload is exactly to be made up of the multiplexed sub frame of several data, realizes time-sharing multiplex.The multiplexed sub frame purposes is had nothing in common with each other, as is used for the transmission of different television channels, configuration control information, ESG multiplexing transmission indication information etc.
In the present embodiment, ESG multiplexing transmission indication information uses the multiplexed frame of MF_ID=0 to indicate transmission.As shown in Figure 3, in the control information multiplexed frame payload, can 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.The basic description list of ESG has been described the configuration of ESG multiplexing transmission indication information.In the native system, the data of ESG information and other configuration control informations use independent multiplexed sub frame to transmit.The ESG multiplexed sub frame continues the data that wheel is broadcast ESG.Owing to use individual multiplex subframe transmission ESG information, for high-efficiency transfer ESG information data provides guarantee.
The data message relevant with ESG is described as follows in these configuration control informations:
Network information table mainly comprises the radio network tabulation that allows receiving terminal receive, the frequency that uses and the tabulation of preferential frequency, and each frequency is exactly the frequency of top multiplexing transmission.Terminal is known a preferential frequency at least, is used for setting up initial link with radio network.Also comprised network time information.
Multiplexing allocation list, mainly show the time-sharing multiplex mode, comprise how these time slots distribute use, transmitted the media data of which channel program, and the corresponding relation of these business (comprise channel program, also have ESG data, key data etc.) and multiplexed sub frame and multiplexed frame and multiplexed sub frame.
Service allocation list mainly shows the corresponding relation of channel program and frequency, and promptly each program is respectively in which frequency transmission.
Have ESG to take service identification in the basic description list of ESG, this service identification is to be the service identification of multiplexing transmission ESG information, is used to distinguish ESG and other business.By the value of this service identification, can unite and utilize SCT, MCT related data, make terminal can locate frequency and time slot, receive and use ESG information.
As shown in Figure 4, comprise gauge outfit, a plurality of ESG data unit length and corresponding ESG data cell and CRC check sign indicating number in the basic description list of ESG.The ESG data cell further is made up of ESG head, ESG payload user data and CRC check sign indicating number.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 the parameter field implication that comprises in the 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 information is used.
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, the basic description list gauge outfit of ESG part, and the sequence number of indicating its this segment data to change, the value that in 0～15 scope, circulates, 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 broadcasting.
The basic description list of ESG also comprises one or more ESG table parameters, and quantity is determined by above-mentioned ESG table quantity.Each ESG table parameter comprises:
ESG shows sign: the sign of ESG table is used for representing ESG table type; Data Identification: be used to identify different data volumes, 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; Table updating sequence number: the renewal numbering that refers to the data of each ESG table here; Service identification: the employed multiplexing service sign of broadcasting ESG.
Number of data units: refer in the additional data, comprise the quantity of ESG data cell.
In another embodiment, can stipulate not add the ESG data cell in the basic description list of ESG, do not have the data of ESG data cell and length thereof this moment in this table, correspondingly, needn't comprise fields such as additional data indication, number of data units in the gauge outfit yet.In another embodiment, if the basic description list of ESG need not segment transmissions, can in gauge outfit, not use fields such as segment length, section sequence number and hop count amount.
In a word, the present invention adopts control channel Data-carrying ESG multiplexing transmission indication information, comprises the service identification that the transmission of ESG information multiplexing is used.And use independent multiplexed sub frame transmission ESG, and increased the ESG transmission performances, help the performance that terminal is improved the user interactions response of ESG application.
Claims (8)
1. the transmission system of a mobile multi-media broadcast electronic service guidance comprises that electronic business guiding information provides equipment, multiplexer, broadcast transmission station and portable terminal, is characterized in that:
Described electronic business guiding information provides equipment, is used for generating the basic description list of electron service instruction according to the configuration data of electron service instruction multiplexing transmission indication information;
Described multiplexer is used to receive the data of preparing the basic description list of electron service instruction that transmits, and it is multiplexed in the multiplexed frame payload of multiplexed frame of control channel correspondence.
2. the transmission system of mobile multi-media broadcast electronic service guidance as claimed in claim 1 is characterized in that:
Described multiplexer is that the data with the basic description list of electron service instruction are multiplexed into separately in one or more multiplexed sub frames in the multiplexing payload of multiplexed frame.
3. the transmission system of mobile multi-media broadcast electronic service guidance as claimed in claim 1 is characterized in that:
The basic description list of electron service instruction that described electronic business guiding information provides equipment to generate comprises the gauge outfit part, write the table sign of the basic description list of electron service instruction in this gauge outfit, the quantity of electronic service guide table and the parameter information of one or more electronic service guide tables, the parameter information of each table comprises at least: electronic service guide table sign, the type of expression electronic service guide table; Service identification, the employed multiplexing service sign of expression broadcast electric service instruction.
4. the transmission system of mobile multi-media broadcast electronic service guidance as claimed in claim 3 is characterized in that:
During the basic description list of the electron service instruction that described electronic business guiding information provides equipment to generate, also write at the electronic service guide table parameter information of its gauge outfit part: Data Identification is used to identify different data volumes; And table updating sequence number, be used to represent the renewal numbering of the data of each ESG table.
5. the transmission system of mobile multi-media broadcast electronic service guidance as claimed in claim 3 is characterized in that:
During the basic description list of the electron service instruction that described electronic business guiding information provides equipment to generate, also write a kind of or combination in any in the following information: the time zone: the time zone that the indication electronic business guiding information uses; Character code type: character code type; Upgrade sequence number: the sequence number that is used to indicate the variation of the basic description list table header of electron service instruction divided data; Network number: represented network title, country and network-level information.
6. the transmission system of mobile multi-media broadcast electronic service guidance as claimed in claim 3 is characterized in that:
During the basic description list of the electron service instruction that described electronic business guiding information provides equipment to generate, in gauge outfit, also write the additional data indication field, when carrying the data of electron service instruction data unit in this description list, there is additional data in this field indication, and in gauge outfit, also write number of data units, be used for indicating the number of the electron service instruction data unit that this table comprises.
7. the transmission system of mobile multi-media broadcast electronic service guidance as claimed in claim 6 is characterized in that:
Described electronic business guiding information provides equipment also to write this data unit length data in the front of each electron service instruction data unit.
8. the transmission system of mobile multi-media broadcast electronic service guidance as claimed in claim 3 is characterized in that:
Described electronic business guiding information transmits after providing equipment with the basic description list segmentation of described electron service instruction, also writes the information of segment length, segment number and hop count amount in gauge outfit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101619705A CN101197739B (en) | 2006-12-08 | 2006-12-08 | Transmission system of mobile multimedia broadcast electric service instruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2006101619705A CN101197739B (en) | 2006-12-08 | 2006-12-08 | Transmission system of mobile multimedia broadcast electric service instruction |
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| CN101197739A CN101197739A (en) | 2008-06-11 |
| CN101197739B true CN101197739B (en) | 2011-03-16 |
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| CN2006101619705A Expired - Fee Related CN101197739B (en) | 2006-12-08 | 2006-12-08 | Transmission system of mobile multimedia broadcast electric service instruction |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101527835B (en) * | 2009-04-13 | 2011-07-13 | 中兴通讯股份有限公司 | Method for transmitting mobile multimedia broadcasting program message and corresponding device |
| CN102118654B (en) * | 2010-01-05 | 2013-07-10 | 联芯科技有限公司 | Method, device and system for acquiring service information |
| KR20160146022A (en) * | 2015-06-11 | 2016-12-21 | 삼성전자주식회사 | Display apparatus, user terminal and control method thereof |
| US20180324688A1 (en) * | 2017-05-05 | 2018-11-08 | Mediatek Inc. | Resource sharing between pdcch and pdsch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1383325A2 (en) * | 2002-06-27 | 2004-01-21 | Microsoft Corporation | Aggregated EPG manager |
| CN1642270A (en) * | 2004-01-17 | 2005-07-20 | 北京中视联数字系统有限公司 | Method for generating electronic program guide of digital television set |
| CN1748418A (en) * | 2003-02-05 | 2006-03-15 | 皇家飞利浦电子股份有限公司 | Method of coding and transmitting epg data, coder and receiver |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1383325A2 (en) * | 2002-06-27 | 2004-01-21 | Microsoft Corporation | Aggregated EPG manager |
| CN1748418A (en) * | 2003-02-05 | 2006-03-15 | 皇家飞利浦电子股份有限公司 | Method of coding and transmitting epg data, coder and receiver |
| CN1642270A (en) * | 2004-01-17 | 2005-07-20 | 北京中视联数字系统有限公司 | Method for generating electronic program guide of digital television set |
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