CN201127080Y - System for broadcasting and scheduling mobile multimedia broadcast electric service instruction data - Google Patents
System for broadcasting and scheduling mobile multimedia broadcast electric service instruction data Download PDFInfo
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- CN201127080Y CN201127080Y CNU2007201507979U CN200720150797U CN201127080Y CN 201127080 Y CN201127080 Y CN 201127080Y CN U2007201507979 U CNU2007201507979 U CN U2007201507979U CN 200720150797 U CN200720150797 U CN 200720150797U CN 201127080 Y CN201127080 Y CN 201127080Y
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Abstract
The utility model discloses a broadcast scheduling system of mobile multimedia broadcasting electronic service guiding data, which is applied in the mobile multimedia broadcast system including the mobile multimedia broadcast network system and the mobile multimedia broadcast receiving system. The mobile multimedia broadcast network system has a data process module and a data transmission module connected together. The mobile multimedia broadcast receiving system has a data receiving module and a data restructuring module connected together. And the data transmission module is connected with the data receiving module by space interface. The scheduling system of the utility model reduces influence of electronic service guiding data to the multimedia broadcast system, enhances utility of the wireless resource.
Description
Technical field
The utility model relates to the digital mobile communication field, relates in particular to a kind of ESG data playing and scheduling system 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, will be very big to the mobile multimedia broadcast system influence.So need a kind of ESG high efficiency broadcasting system at Mobile Multimedia Broadcasting, under the situation that does not influence each multimedia service channel, improve the service quality of Mobile Multimedia Broadcasting.
The utility model content
The technical problems to be solved in the utility model provides a kind of playing and scheduling system of Mobile Multimedia Broadcasting ESG data, reduces the influence of ESG data to mobile multimedia broadcast system, improves utilization ratio of wireless resources.
In order to address the above problem, the utility model provides a kind of playing and scheduling system of mobile multimedia broadcast electronic service guidance data, comprise mobile media broadcasting network system and Mobile Multimedia Broadcasting receiving system, described mobile media broadcasting network system has continuous data processing module and data transmission blocks, described Mobile Multimedia Broadcasting receiving system has continuous data reception module and data recombination module, and described data transmission blocks links to each other with described data reception module by air interface.
Further, above-mentioned dispatching patcher can also have following characteristics: described data processing module comprises that the electron service instruction data with input is cut into the cutting unit of multiframe, and the header adding device that before every frame electron service instruction data payload, adds the electron service instruction header that comprises this frame electron service instruction data sequence number that links to each other with described cutting unit
Described data transmission blocks links to each other with described header adding device, by air interface the data of receiving is sent to receiving system;
Described data reception module outputs to described data recombination module after receiving the described data that comprise electron service instruction header and electron service instruction data payload;
Described data recombination module is recombinated the electron service instruction data payload according to described frame electron service instruction data sequence number and is preserved.
Further, above-mentioned dispatching patcher can also have following characteristics: described network system is that electron service instruction distributes proprietary channel and Radio Resource.
Further, above-mentioned dispatching patcher can also have following characteristics: described data processing module also comprises the data filler cells, described data filler cells links to each other with described header adding device, when the electron service instruction data that sends is not enough, described data filler cells is padding data behind described electron service instruction data payload, and notify described header adding device in described header, to increase this frame padding data amount parameter, the quantity of expression padding data, after described data reception module was received data, the data recombination unit was according to described padding data amount parameter ignorance padding data.
Further, above-mentioned dispatching patcher can also have following characteristics: described data processing module is according to the data volume of electron service instruction and proprietary radio channel resource, with the electron service instruction data cutting is multiframe, increases the electron service instruction data that header and padding data constitute transmission in every frame electron service instruction data.
Further, above-mentioned dispatching patcher can also have following characteristics: described header adding device also increases in header whether continuous parameter of following frame, whether expression frame down continues to transmit electron service instruction data, described receiving system also comprises judge module, described judge module is between described receiver module and described data recombination module, as receive down that frame does not continue to transmit the indication of electron service instruction data, then notify described data recombination unit no longer to handle electron service instruction data.
Further, above-mentioned dispatching patcher can also have following characteristics: described header adding device also increases in header this frame update time parameter, represent the time that this frame electron service instruction data upgrades, described receiving system also comprises judge module, described judge module is between described receiver module and described data recombination module, judge whether described frame update time parameter be identical with the electron service instruction data time of described data recombination module preservation, as identical, then notify described data recombination module no longer to receive and handle these frame data.
Further, above-mentioned dispatching patcher can also have following characteristics: described data recombination module is obtained the electron service instruction data payload according to the length parameter in the electron service instruction header, according to this frame electron service instruction data sequence number in the electron service instruction header electron service instruction data payload is recombinated and preservation.
The utility model Mobile Multimedia Broadcasting ESG data playing and scheduling system is because the mechanism that has adopted cutting transmission, reception back to recombinate, according to the big characteristic of ESG data volume and the resource-constrained proposition of mobile broadcast network system, 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 the composition frame chart of the utility model embodiment;
Fig. 2 is that the ESG data of the utility model embodiment are at network side and end side processing procedure schematic diagram;
Fig. 3 is that the ESG data of the utility model embodiment are at network side cycle process of transmitting schematic diagram;
Fig. 4 is that the ESG data of the utility model embodiment are at receiver side processing procedure schematic diagram.
Embodiment
The utility model is described in more 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, and 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.
As shown in Figure 1, among the embodiment of the present utility model, dispatching patcher comprises mobile media broadcasting network system and Mobile Multimedia Broadcasting receiving system, network system has data processing module 1 and data transmission blocks 2, and receiving system has data reception module 3, judge module 4 and data recombination module 5.
Network system is that ESG distributes proprietary channel and Radio Resource, and data processing module 1 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.Data processing module 1 further comprises: cutting unit 11, header adding device 12 and data packing module 13.Cutting unit 11 is cut into multiframe with the ESG data, and header adding device 12 increases the ESG header before every frame ESG payload user data, comprise this frame ESG data sequence number in the header.When the ESG data deficiencies that sends, data filler cells 13 is padding data behind the ESG payload user data, and notice header adding device 12 increases this frame padding data amount parameter (quantity of this parametric representation padding data) in header, afterwards, send to receiving system by data transmission blocks 2 by air interface.
After the data reception module 3 of receiving system is received the ESG data, be that the length of header is obtained the ESG payload user data according to head length degree parameter, with the reorganization of ESG payload user data, and preserve according to this frame ESG data sequence number in the ESG header by data recombination module 5.
In the present embodiment, whether continuous parameter is when (representing whether frame continues to transmit the ESG data down) for frame under comprising in the header, and judge module 4 is as receiving down that frame does not continue to transmit the indication of ESG data, and then the notification data recomposition unit is no longer handled the ESG data.
Perhaps, comprise in the header that this frame update time parameter is when (time of representing this frame ESG Data Update), judge module 4 judges whether this this frame update time parameter is identical with the ESG data time of preserving, and as identical, then the notification data recombination module no longer receives and handles these frame data.
The realization of present embodiment ESG data playing and scheduling comprises that Mobile Multimedia Broadcasting ESG data are in network side and end side processing procedure:
At first, network system is that ESG distributes proprietary channel and Radio Resource;
Then, the cutting unit 11 of data processing module 1 is according to data volume and the proprietary radio channel resource of ESG, with the cutting of ESG data is multiframe, header adding device 12 increases header in every frame ESG data and padding data constitutes the ESG data that send, 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
Its form specifically describes 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.
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 are issued receiving system by air interface from network system, constitute ESG and send or receiving cycle.
After data reception module 3 is received the ESG data of network system transmission, data recombination module 5 is obtained the ESG payload user data according to the head length degree, with after the ESG payload user data reorganization, be saved in receiving system this locality according to this frame ESG data sequence number in the ESG header, use for the user.
Receiving system can be recombinated on edge joint receipts ESG data limit, also can treat to recombinate after the ESG data all receive again.The process that receives recombination module 5 reorganization ESG data is the contrary processing procedure of network side cutting ESG data.
Fig. 4 is the processing schematic diagrames of ESG data at receiver side, as shown in Figure 4, receives recombination module 5 every frame ESG data are removed header and padding data, in order with each frame ESG payload user data reorganization.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
For example, it will be understood by those skilled in the art that native system can be applied in all mobile multimedia broadcast systems.
Claims (8)
1, a kind of playing and scheduling system of mobile multimedia broadcast electronic service guidance data, it is characterized in that, comprise mobile media broadcasting network system and Mobile Multimedia Broadcasting receiving system, described mobile media broadcasting network system has continuous data processing module and data transmission blocks, described Mobile Multimedia Broadcasting receiving system has continuous data reception module and data recombination module, and described data transmission blocks links to each other with described data reception module by air interface.
2, dispatching patcher as claimed in claim 1 is characterized in that,
Described data processing module comprises that the electron service instruction data with input is cut into the cutting unit of multiframe, and the header adding device that before every frame electron service instruction data payload, adds the electron service instruction header that comprises this frame electron service instruction data sequence number that links to each other with described cutting unit
Described data transmission blocks links to each other with described header adding device, by air interface the data of receiving is sent to receiving system;
Described data reception module outputs to described data recombination module after receiving the described data that comprise electron service instruction header and electron service instruction data payload;
Described data recombination module is recombinated the electron service instruction data payload according to described frame electron service instruction data sequence number and is preserved.
3, dispatching patcher as claimed in claim 2 is characterized in that, described network system is that electron service instruction distributes proprietary channel and Radio Resource.
4, as claim 2 or 3 described dispatching patchers, it is characterized in that, described data processing module also comprises the data filler cells, described data filler cells links to each other with described header adding device, when the electron service instruction data that sends is not enough, described data filler cells is padding data behind described electron service instruction data payload, and notify described header adding device in described header, to increase this frame padding data amount parameter, the quantity of expression padding data, after described data reception module was received data, the data recombination unit was according to described padding data amount parameter ignorance padding data.
5, dispatching patcher as claimed in claim 4, it is characterized in that, described data processing module is according to the data volume of electron service instruction and proprietary radio channel resource, with the electron service instruction data cutting is multiframe, increases the electron service instruction data that header and padding data constitute transmission in every frame electron service instruction data.
6, dispatching patcher as claimed in claim 2, it is characterized in that, described header adding device also increases in header whether continuous parameter of following frame, whether expression frame down continues to transmit electron service instruction data, described receiving system also comprises judge module, described judge module as receives down that frame does not continue to transmit the indication of electron service instruction data between described receiver module and described data recombination module, then notify described data recombination unit no longer to handle electron service instruction data.
7, dispatching patcher as claimed in claim 2, it is characterized in that, described header adding device also increases in header this frame update time parameter, represent the time that this frame electron service instruction data upgrades, described receiving system also comprises judge module, described judge module is between described receiver module and described data recombination module, judge whether described frame update time parameter be identical with the electron service instruction data time of described data recombination module preservation, as identical, then notify described data recombination module no longer to receive and handle these frame data.
8, dispatching patcher as claimed in claim 2, it is characterized in that, described data recombination module is obtained the electron service instruction data payload according to the length parameter in the electron service instruction header, according to this frame electron service instruction data sequence number in the electron service instruction header electron service instruction data payload is recombinated and preservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201507979U CN201127080Y (en) | 2007-09-19 | 2007-09-19 | System for broadcasting and scheduling mobile multimedia broadcast electric service instruction data |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201507979U CN201127080Y (en) | 2007-09-19 | 2007-09-19 | System for broadcasting and scheduling mobile multimedia broadcast electric service instruction data |
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| CN201127080Y true CN201127080Y (en) | 2008-10-01 |
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| CNU2007201507979U Expired - Fee Related CN201127080Y (en) | 2007-09-19 | 2007-09-19 | System for broadcasting and scheduling mobile multimedia broadcast electric service instruction data |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20130919 |