CN101179346A - Mobile multimedia broadcast electronic service instruction data format - Google Patents
Mobile multimedia broadcast electronic service instruction data format Download PDFInfo
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- CN101179346A CN101179346A CNA2006101385666A CN200610138566A CN101179346A CN 101179346 A CN101179346 A CN 101179346A CN A2006101385666 A CNA2006101385666 A CN A2006101385666A CN 200610138566 A CN200610138566 A CN 200610138566A CN 101179346 A CN101179346 A CN 101179346A
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Abstract
The invention provides a mobile multimedia broadcasting electronic service guide data format. An electronic service guide is called ESG for short thereinafter. When sent in a mobile multimedia broadcast system, each frame of ESG data comprises the head information and an ESG data burst. The head information comprises a head length parameter, namely the length of the head information, and the sequence number of the frame of ESG data. By adopting the data format of the invention, the influences of the ESG data on the mobile multimedia broadcasting system are decreased and the wireless resource utilization ratio is enhanced.
Description
Technical field
The present invention relates to the digital mobile communication field, relate in particular to a kind of ESG data format of Mobile Multimedia Broadcasting.
Background technology
In recent years, digital mobile multimedia broadcasting technology and standard evolution are rapid, Ou Zhou DVB-H (Digital Video Broadcast Handheld for example, the digital video broadcast-handheld formula receives), the MediaFLO of the U.S. (Media Forward Link Only, the single forward link of medium) and China CMMB (China Mobile Multimedia Broadcast, China Mobile multimedia broadcasting) etc., for its terminal use provides many service content, as advertisement, weather forecast, news, sports cast, variety, the multimedia broadcasting play, programs such as film, the user can select the service program of Mobile Multimedia Broadcasting according to the hobby of oneself, therefore ESG (Electronic Service Guide, electron service instruction) plays an important role in the Mobile Multimedia Broadcasting service.
ESG provides easy-to-use, friendly interface, an a kind of mode that can the fast access program for the Mobile Multimedia Broadcasting user, and the user can watch one or more channels by this function, even all channels are in the recent period with the program of playing.Simultaneously, ESG can provide classification feature, can help the user to browse and selects various types of programs.Electron service instruction also has very important significance to the service provider simultaneously.
Therefore the data volume of ESG is very big, adopts disposable broadcasting in the cable digital TV, does not need to consider resource problem, and in wireless, because Radio Resource (bandwidth) is limited, can not all be taken by ESG, can only utilize Limited resources periodically to transmit the very big ESG of data volume.Broadcast to the receiving system in the service area (terminal) in the mode of electromagnetic signal by air interface from the mobile media broadcasting network system, to send continuously at network side, but because the ESG content change is very long cycle time, so receiving system does not need every frame all to receive processing, handled with regard to not needing again ESG to be received behind whole ESG full details as long as obtain, if so there is not rational scheduling of resource form, will be very big to the mobile multimedia broadcast system influence.Broadcast form so need propose a kind of ESG high efficiency, under the situation that does not influence each multimedia service channel, improve the service quality of Mobile Multimedia Broadcasting at Mobile Multimedia Broadcasting.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of Mobile Multimedia Broadcasting ESG data format, reduces the influence of ESG data to mobile multimedia broadcast system, improves utilization ratio of wireless resources.
In order to solve the problems of the technologies described above, the invention provides a kind of mobile multimedia broadcast electronic service instruction data format, described electron service instruction is hereinafter to be referred as ESG, when in mobile multimedia broadcast system, sending, every frame ESG data comprise header and ESG payload user data, and described header comprises that head length degree parameter is length and this frame ESG data sequence number of header.
Further, in every frame ESG data, also comprise padding data behind the ESG payload user data, in described header, also comprise this frame padding data amount parameter, the quantity of expression padding data.
Further, described padding data is binary data 0 or 1.
Further, comprise down whether continuous parameter of frame in the described header, whether expression frame down continues to transmit the ESG data.
Further, comprise this frame update time parameter in the described header, represent the time of this frame ESG Data Update.
Further, comprise ESG data transfer cycles parameter in the described header, represent that current all ESG data all send the needed frame number that finishes.
Mobile Multimedia Broadcasting ESG data format of the present invention is according to the resource-constrained proposition of big characteristic of ESG data volume and mobile broadcast network system, adopt this kind form can utilize finite wireless resources to transmit huge data, improved utilization ratio of wireless resources, reduced of the influence of ESG data mobile multimedia broadcast system.
Description of drawings
Fig. 1 is a mobile multimedia factory broadcast system composition diagram;
Fig. 2 is that present embodiment ESG data are at network side and end side processing procedure schematic diagram;
Fig. 3 is that present embodiment ESG data are at network side cycle process of transmitting schematic diagram;
Fig. 4 is that present embodiment ESG data are at receiver side processing procedure schematic diagram.
Embodiment
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
The mobile media broadcasting network system mainly is made up of mobile media broadcasting network system and Mobile Multimedia Broadcasting receiving system (terminal), interface between the two is a wireless air interface, as shown in Figure 1, Mobile Multimedia Broadcasting service and ESG data all are to issue Mobile Multimedia Broadcasting receiving system from network system in the mode of electromagnetic signal by air interface.
Fig. 2 is the schematic diagrames of present embodiment Mobile Multimedia Broadcasting ESG data in network side and end side processing procedure, is the ESG assigned radio resource according to network system, is multiframe with the cutting of ESG data, and every frame ESG data increase header.Realize the method for ESG data playing and scheduling, may further comprise the steps:
Step 210, network system are that ESG distributes proprietary channel and Radio Resource;
Step 220, network system is multiframe according to data volume and the proprietary radio channel resource of ESG with the cutting of ESG data, increases the ESG data that header and padding data constitute transmission in every frame ESG data, wherein the form of header is shown in Table 1, and padding data can be 0 (binary data);
| Field name | Explanation |
| ESG head length degree | Every frame ESG header overhead |
| The ESG data transfer cycles | With the frame is unit, transmits the totalframes that whole ESG data need |
| This frame ESG data sequence number | These frame data are in the position of whole ESG data, and numbering is since 0, less than " ESG data transfer cycles " |
| This frame padding data amount | Need to fill 0 concrete quantity of filling because these frame data are not enough |
| Whether following frame is continuous | Whether continue transmission ESG data at following frame relay |
| This frame update time | The concrete time of this frame ESG Data Update |
| Keep | Other information of standby transmission, network side fills out 0, and receiving terminal is ignored |
Table 1
Specifically describe as follows:
1, ESG head length degree, be the length (not comprising payload user data and padding data) of every frame ESG data head information, this parameter can be used as the mobile media broadcasting network parameter or system parameters is described, also can be used as the part of the ESG data of transmission, it is the important parameter of receiving system side ESG data decapsulation, the ESG of identical version, the header length of every frame ESG data is the same;
2, ESG data transfer cycles, with the frame is unit, or be called " totalframes of ESG data ", be about to current all ESG data and all send the needed frame number that finishes, in this parameter of network side as the ESG playing and scheduling cycle, in this parameter of receiver side as receiving cycle, after receiving one-period, receiving system no longer receives the ESG channel data, changes up to the ESG data;
3, this frame ESG data sequence number, represent the position of this frame ESG data in whole ESG data, receiving system is with the important evidence of this parameter as reorganization ESG data, the scope of this parameter is subjected to " totalframes of ESG data " restriction, for example, if first frame number is 0, the last frame sequence number is less than " totalframes of ESG data " so;
4, this frame padding data amount, represent that this frame ESG data deficiencies need fill 0 quantity behind the ESG payload user data, the ESG data that send comprise the ESG header, ESG payload user data and padding data, because the ESG channel resource is fixed, the ESG data total amount that is every frame transmission is constant (because wireless bandwidth is limited, therefore can only distribute Limited resources to ESG, each length that transmits is certain), as long as known above-mentioned any two parameters just can be determined the 3rd parameter value, if the ESG data deficiencies then needs to fill 0, perhaps unified 1 (binary data) of filling, send to receiving system with the ESG payload user data, the receiving system side can be ignored these padding datas;
5, whether frame is continuous down, whether indication frame down continues to transmit the ESG data, if network side no longer transmits, then to carry former frame notice receiving system next frame and do not have the ESG data, receiver side then no longer continues to handle ESG, that is to say that network side is when sending the ESG data, receiver side monitoring this transmission channel, receives the ESG data, in case network side does not send the ESG data all the time, receiver side has then no longer received, and can save the power consumption of terminal like this;
6, this frame update time, the concrete time of this frame ESG Data Update, if the ESG data time that receiver side is preserved is identical with this time, then terminal no longer receives and handles these frame data, otherwise upgrades local ESG data;
7, keep, other information of standby transmission, network side fills out 0, and receiving terminal is ignored.
In other embodiments, the content in the header as required and different, but the parameter that must send to receiving system be ESG head length degree and this frame ESG data sequence number.
Step 230, network system sends the ESG data by eating dishes without rice or wine to receiving system:
When the network side physical layer process, the ESG data cutting that every frame ESG is transmitted is a plurality of MAC (Medium Access Control, the medium access control) bag (see figure 2), the length of each bag specifically defines in mobile multimedia broadcast system, when the end side physical layer process, with the reorganization of MAC bag, the anti-process of Fig. 2 is exactly a regrouping process again.
Fig. 3 be the ESG data at network side playing and scheduling schematic flow sheet, as shown in Figure 3, the multiframe data constitute an ESG transmission or receiving cycle by eating dishes without rice or wine from network system distribution receiving system.
Step 240, receiving system are received the ESG data that network system sends, and obtain the ESG payload user data according to the head length degree, after according to this frame ESG data sequence number in the ESG header ESG payload user data being recombinated, are saved in receiving system this locality, use for the user.
The receiving system edge joint is received ESG data limit and is recombinated, and also can treat to recombinate after the ESG data all receive again.Receiving terminal reorganization ESG data procedures is the contrary processing procedure of network side cutting ESG data.
Fig. 4 is the processing schematic diagrames of ESG data at receiver side, and as shown in Figure 4, receiving system is removed header and padding data with every frame ESG data, in order with each frame ESG payload user data reorganization.
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 skilled 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 (6)
1. mobile multimedia broadcast electronic service instruction data format, described electron service instruction is hereinafter to be referred as ESG, when in mobile multimedia broadcast system, sending, every frame ESG data comprise header and ESG payload user data, and described header comprises that head length degree parameter is length and this frame ESG data sequence number of header.
2. form as claimed in claim 1 is characterized in that, in every frame ESG data, also comprises padding data behind the ESG payload user data, also comprises this frame padding data amount parameter in described header, the quantity of expression padding data.
3. form as claimed in claim 2 is characterized in that, described padding data is binary data 0 or 1.
4. form as claimed in claim 1 is characterized in that, comprises down whether continuous parameter of frame in the described header, and whether expression frame down continues to transmit the ESG data.
5. form as claimed in claim 1 is characterized in that, comprises this frame update time parameter in the described header, represents the time of this frame ESG Data Update.
6. form as claimed in claim 1 is characterized in that, comprises ESG data transfer cycles parameter in the described header, represents that current all ESG data all send the needed frame number that finishes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101385666A CN101179346A (en) | 2006-11-09 | 2006-11-09 | Mobile multimedia broadcast electronic service instruction data format |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101385666A CN101179346A (en) | 2006-11-09 | 2006-11-09 | Mobile multimedia broadcast electronic service instruction data format |
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| Publication Number | Publication Date |
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| CN101179346A true CN101179346A (en) | 2008-05-14 |
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| CNA2006101385666A Pending CN101179346A (en) | 2006-11-09 | 2006-11-09 | Mobile multimedia broadcast electronic service instruction data format |
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Open date: 20080514 |