CN100547958C - Next frame parameter processing method and device - Google Patents
Next frame parameter processing method and device Download PDFInfo
- Publication number
- CN100547958C CN100547958C CNB2007100872490A CN200710087249A CN100547958C CN 100547958 C CN100547958 C CN 100547958C CN B2007100872490 A CNB2007100872490 A CN B2007100872490A CN 200710087249 A CN200710087249 A CN 200710087249A CN 100547958 C CN100547958 C CN 100547958C
- Authority
- CN
- China
- Prior art keywords
- next frame
- parameter
- frame parameter
- frame
- multiplex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses a kind of next frame parameter processing method and device that the next frame parameter of mobile multi-media broadcast terminal is handled of being used for.Wherein, next frame parameter processing method may further comprise the steps: S202, and terminal receives the multiplexed frame of bearer service, resolves the multiplex frame head information of multiplexed frame, obtains specific fields; And S204, according to the value of specific fields, next frame parameter is handled accordingly.By the present invention, terminal system can in time obtain the next frame relevant parameter, thereby has improved the service quality of Mobile Multimedia Broadcasting.
Description
Technical field
The present invention relates to the communications field, relate more specifically to a kind of next frame parameter processing method and device, and the mobile multi-media broadcast terminal that uses this method and apparatus.
Background technology
In recent years, digital mobile multimedia broadcasting technology and standard develop rapidly, for example the digital video broadcast-handheld formula in Europe receives (Digital Video Broadcast Handheld, be called for short DVB-H), the single forward link of the medium of the U.S. (Media Forward Link Only, be called for short Media FLO) and Chinese Mobile Multimedia Broadcasting (China MobileMultimedia Broadcasting, be called for short CMMB) etc., for its terminal use provide 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.
Mobile Multimedia Broadcasting adopts time division way to send MBMS service, and the duration of its broadcast channel frame is 1 second, is made up of 40 25 milliseconds of time slots, and one or more time slots can carry the multi-medium data of a broadcasting multiplex frame encapsulation.In the multiplexed frame structure of Mobile Multimedia Broadcasting, multiplexed frame is divided into multiplex frame head, multiplexed frame payload and multiplexed frame and fills three parts, and each multiplexed frame encapsulates the multi-medium data of one or more multiplexed sub frame, if some key parameters (for example length information) are made mistakes in wireless transmission, to cause can't the terminal demultiplexing, thereby can reduce Mobile Multimedia Broadcasting service quality.In order to strengthen the fault freedom of key parameter in the multiplexed frame, " next frame parameter indication " field is arranged at multiplex frame head, whether the Mobile Multimedia Broadcasting front end system transmits next frame parameter by this field notice terminal, so need terminal that a kind of processing method to the next frame parameter indication is provided, make terminal system in time obtain the next frame relevant parameter, to guarantee the robustness of key parameter, improve the service quality of Mobile Multimedia Broadcasting.
Summary of the invention
One or more problems in view of above-mentioned the invention provides a kind of next frame parameter processing method and device.
According to next frame parameter processing method of the present invention, be used for the next frame parameter of mobile multi-media broadcast terminal is handled, it may further comprise the steps: S202, and terminal receives the multiplexed frame of bearer service, resolve the multiplex frame head information of multiplexed frame, obtain specific fields; And S204, according to the value of specific fields, next frame parameter is handled accordingly.
Wherein, the value of specific fields is 0 or 1.There is not next frame parameter in the 0 expression multiplex frame head; And 1 expression next frame parameter is arranged in the multiplex frame head.
Wherein, in step S204, when the value of specific fields is 1, further comprising the steps of: the value of the next frame parameter in terminal parses and the buffer memory multiplex frame head; And terminal buffer memory specific fields not.When the value of specific fields is 0, further comprising the steps of: terminal is the buffer memory specific fields not.Wherein, specific fields is the next frame parameter indication field.
According to next frame parameter processing unit of the present invention, be used for the next frame parameter of mobile multi-media broadcast terminal is handled, it comprises: resolution unit, be positioned on the terminal, be used to receive the multiplexed frame of bearer service, and resolve the multiplex frame head information of multiplexed frame, obtain specific fields; And processing unit, be used for value according to specific fields, next frame parameter is handled accordingly.
Wherein, the value of specific fields is 0 or 1.There is not next frame parameter in the 0 expression multiplex frame head; And 1 expression next frame parameter is arranged in the multiplex frame head.
Wherein, in processing unit, also comprise: resolve buffer cell, the value that is used in specific fields is 1 o'clock, the value of the next frame parameter in parsing and the buffer memory multiplex frame head.Wherein, specific fields is the next frame parameter indication field.
According to the present invention, a kind of digital mobile multimedia broadcasting portable terminal has also been proposed, it has used aforesaid next frame parameter processing method.
According to the present invention, a kind of digital mobile multimedia broadcasting portable terminal has also been proposed, it has used aforesaid next frame parameter processing unit.
By the present invention, can guarantee the robustness of key parameter, thereby can improve the service quality of Mobile Multimedia Broadcasting.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the setting of " next frame parameter indication " field;
Fig. 2 is the flow chart according to the next frame parameter processing method of the embodiment of the invention;
Fig. 3 is the flow chart of next frame parameter processing method according to another embodiment of the present invention; And
Fig. 4 is the block diagram according to the next frame parameter processing unit of the embodiment of the invention.
Embodiment
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
With reference to figure 1, the setting of " next frame parameter indication " field is described.The next frame here is meant multiplexed frame identical with this multiplexed frame sequence number in next mobile multimedia broadcasting channel frame." next frame parameter indication " is one one bit field, wherein, do not have next frame parameter in ' 0 ' the expression multiplex frame head; In ' 1 ' the expression multiplex frame head next frame parameter is arranged.
With reference to figure 2, the next frame parameter processing method according to the embodiment of the invention is described.This is used for the next frame parameter processing method that the next frame parameter of mobile multi-media broadcast terminal is handled be may further comprise the steps: S202, and terminal receives the multiplexed frame of bearer service, resolves the multiplex frame head information of multiplexed frame, obtains specific fields; And S204, according to the value of specific fields, next frame parameter is handled accordingly.
Wherein, the value of specific fields is 0 or 1.There is not next frame parameter in the 0 expression multiplex frame head; In the 1 expression multiplex frame head next frame parameter is arranged.Wherein, in step S204, when the value of specific fields is 1, further comprising the steps of: the value of the next frame parameter in terminal parses and the buffer memory multiplex frame head; And terminal buffer memory specific fields not.When the value of specific fields is 0, further comprising the steps of: terminal is the buffer memory specific fields not.Wherein, specific fields is the next frame parameter indication field.
With reference to figure 3, next frame parameter processing method according to another embodiment of the present invention is described.As shown in Figure 3, this next frame parameter processing method may further comprise the steps: S302, terminal receives multiplexed frame and parses multiplex frame head, obtain " next frame parameter indication " information, check in " next frame parameter indication " multiplex frame head whether have next frame parameter, if there is no next frame parameter, then terminal is not handled the next frame relevant parameter, go to step S306,, then carry out step S304 if there is next frame parameter; S304, " next frame parameter " field value in terminal parses and the buffer memory multiplex frame head; And S306, terminal is buffer memory " next frame parameter indication " not, and finishes the processing to this field.
Should be appreciated that at this, use the multi-media broadcast terminal of above-mentioned next frame parameter processing method can comprise portable terminals such as mobile phone, PDA, handheld terminal and mobile TV.
With reference to figure 4, the next frame parameter processing unit according to the embodiment of the invention is described.As shown in Figure 4, this next frame parameter processing unit that is used for the next frame parameter of mobile multi-media broadcast terminal is handled comprises: resolution unit 402, be positioned on the terminal, and be used to receive the multiplexed frame of bearer service, and the multiplex frame head information of parsing multiplexed frame, obtain specific fields; And processing unit 404, be used for value according to specific fields, next frame parameter is handled accordingly.
Wherein, the value of specific fields is 0 or 1.There is not next frame parameter in the 0 expression multiplex frame head; And 1 expression next frame parameter is arranged in the multiplex frame head.
Wherein, in processing unit, also comprise: resolve buffer cell, the value that is used in specific fields is 1 o'clock, the value of the next frame parameter in parsing and the buffer memory multiplex frame head.Wherein, specific fields is the next frame parameter indication field.
In a word, " next frame parameter indication " field provides the indication whether next frame parameter is arranged for terminal, and terminal is handled next frame parameter according to its indication.That is to say, if having, then terminal need resolve and the buffer memory multiplex frame head in " next frame parameter " value, so terminal needs " next frame parameter indication " done decision process and then the fault-tolerant ability of raising multiplexed frame key parameter in resolving multiplex frame head.
Should be appreciated that, use the multi-media broadcast terminal of above-mentioned next frame parameter processing method can comprise portable terminals such as mobile phone, PDA, handheld terminal and mobile TV.
By the present invention, terminal system can in time obtain the next frame relevant parameter, thereby has improved the service quality of Mobile Multimedia Broadcasting.
Those skilled in the art will readily understand additional advantages and modifications of the present invention.Therefore, the present invention is not limited to the specific detail and the exemplary embodiments that illustrate and describe herein in the aspect widely.Therefore, can under the condition that does not break away from by claim and the spirit or scope of the present invention that equivalent limited thereof, make various modifications.
Claims (9)
1. a next frame parameter processing method is used for the next frame parameter of mobile multi-media broadcast terminal is handled, and described next frame is a multiplexed frame identical with this multiplexed frame sequence number in the next broadcast channel frame, it is characterized in that, may further comprise the steps:
Step S102, terminal receives the multiplexed frame of bearer service, resolves the multiplex frame head information of described multiplexed frame, obtains the next frame parameter indication field; And
Step S104 judges whether there is next frame parameter in the multiplex frame head according to described next frame parameter directive segment value, if, next frame parameter directive segment value in terminal parses and the buffer memory multiplex frame head, otherwise terminal is not handled the next frame relevant parameter.
2. next frame parameter processing method according to claim 1 is characterized in that, described next frame parameter directive segment value is 0 or 1.
3. next frame parameter processing method according to claim 2 is characterized in that, does not have next frame parameter in the described multiplex frame head of described 0 expression; And in the described multiplex frame head of described 1 expression next frame parameter is arranged.
4. a next frame parameter processing unit is used for the next frame parameter of mobile multi-media broadcast terminal is handled, and described next frame is a multiplexed frame identical with this multiplexed frame sequence number in the next broadcast channel frame, it is characterized in that, comprising:
Resolution unit is positioned on the terminal, is used to receive the multiplexed frame of bearer service, and resolves the multiplex frame head information of described multiplexed frame, obtains the next frame parameter indication field; And
Processing unit, be used for judging according to described next frame parameter directive segment value whether multiplex frame head exists next frame parameter, and when having next frame parameter, resolve and the buffer memory multiplex frame head in next frame parameter directive segment value, and when not having next frame parameter, do not handle the next frame relevant parameter.
5. next frame parameter processing unit according to claim 4 is characterized in that, described next frame parameter directive segment value is 0 or 1.
6. next frame parameter processing unit according to claim 5 is characterized in that, does not have next frame parameter in the described multiplex frame head of described 0 expression; And in the described multiplex frame head of described 1 expression next frame parameter is arranged.
7. next frame parameter processing unit according to claim 6 is characterized in that, in described processing unit, also comprises:
Resolve buffer cell, being used at described next frame parameter directive segment value is 1 o'clock, the value of the described next frame parameter in parsing and the described multiplex frame head of buffer memory.
8. a mobile multi-media broadcast terminal uses each described next frame parameter processing method in the claim 1 to 3.
9. a mobile multi-media broadcast terminal has each described next frame parameter processing unit in the claim 4 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100872490A CN100547958C (en) | 2007-03-21 | 2007-03-21 | Next frame parameter processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100872490A CN100547958C (en) | 2007-03-21 | 2007-03-21 | Next frame parameter processing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101022324A CN101022324A (en) | 2007-08-22 |
| CN100547958C true CN100547958C (en) | 2009-10-07 |
Family
ID=38709988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100872490A Expired - Fee Related CN100547958C (en) | 2007-03-21 | 2007-03-21 | Next frame parameter processing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100547958C (en) |
-
2007
- 2007-03-21 CN CNB2007100872490A patent/CN100547958C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101022324A (en) | 2007-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7792998B2 (en) | System and method for providing real-time streaming service between terminals | |
| GB2402307A (en) | Encapsulating irregular burst transmissions with overhead information specifying the timing interval to the next burst | |
| EP1732250A2 (en) | Method for providing a user interface in a terminal for mobile communication using data received from terrestrial digital broadcasting | |
| CN101369855B (en) | Emergency broadcast transmission method and system, and receiving terminal | |
| CN100472993C (en) | Mobile multimedia terminal and updating method for ESG fundamental descriptive list by the same terminal | |
| CN100547958C (en) | Next frame parameter processing method and device | |
| CN101262293A (en) | A transmission method and system for multi-language program prompt message | |
| CN101656866B (en) | Receiving method, terminal equipment and receiving device for mobile digital multimedia services | |
| CN101489068A (en) | Background sound and key pressing sound playing method and system based on built-in brower | |
| CN101102171B (en) | A data processing method of mobile multi-media terminal | |
| CN100472994C (en) | Mobile multimedia terminal and updating method for ESG fundamental descriptive list by the same terminal | |
| CN101052159B (en) | Business switch method and device for mobile multimedia broadcast terminal | |
| CN100466727C (en) | Update rank processing method and device for lasting service allocation list | |
| CN100488257C (en) | Mobile multimedia broadcasting terminal multi-image handling method and device | |
| CN100472989C (en) | Method and device for processing updated rank in short-period service duplexing configuration list | |
| CN101022602B (en) | Mobile multimedia terminal and updating method for network information list by the same terminal | |
| CN101262294B (en) | A transmission method and system for electronic program guidance | |
| CN101330398A (en) | Method for transmitting business data flow | |
| CN100461893C (en) | Mobile multimedia terminal and multiplexing allocation list updating method for lasting service | |
| CN100472991C (en) | Method and device for controlling information table updating sequence number lead instruction processing | |
| CN201118898Y (en) | Short-time update device for service configuration table | |
| CN201114637Y (en) | Processing device and mobile terminal for update SN of network information table | |
| CN100556161C (en) | The short time service allocation table update method | |
| CN103237185A (en) | System for carrying out broadcasting control on ATSC (Advanced Television System Committee) signal at television station end | |
| CN101052160B (en) | Business switch method and device for mobile multimedia broadcast terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20180321 |