CN101437034B - Data business transmission method, system and apparatus - Google Patents
Data business transmission method, system and apparatus Download PDFInfo
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- CN101437034B CN101437034B CN2008102402579A CN200810240257A CN101437034B CN 101437034 B CN101437034 B CN 101437034B CN 2008102402579 A CN2008102402579 A CN 2008102402579A CN 200810240257 A CN200810240257 A CN 200810240257A CN 101437034 B CN101437034 B CN 101437034B
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Abstract
The invention discloses a method for data service transmission, which comprises the following steps: determining multiplex sub-frames used by international protocol (IP) data packets corresponding to difference data services received currently for transmission respectively; and encapsulating all IP data packets using the same multiplex sub-frame for transmission into the same multiplex sub-frame and transmitting the data packets to a terminal. The invention also discloses a system and a device for data service transmission. The method, the system and the device of the invention can realize flexible configuration of data services and facilitate the flexible operation of the IP-based data services in a China mobile multimedia broadcast (CMMB) system.
Description
Technical field
The present invention relates to China Mobile multimedia broadcasting (CMMB, China Mobile MultimediaBroadcasting) technology, data business transmission method, system and device in the particularly a kind of CMMB system.
Background technology
In existing C MMB system, data service is distinguished according to service identification.Specifically, each data service is when inserting data broadcasting, and data broadcast platform all can promptly be set up the one-to-one relationship between each data service and its service identification for this data service distributes a service identification; Terminal could be resolved corresponding data service according to this service identification.Like this, will bring following problem:
At first, the corresponding service identification of each data service, and each service identification can only corresponding multiplexed sub frame, that is to say that a multiplexed sub frame can only transmit a data business, is unfavorable for professional expansion.
Have, the available data business is the data service based on Internet protocol (IP, Internet Protocol) usually, that is to say that data service enters data broadcast platform with the form of IP packet usually again; Like this, after data broadcast platform receives the IP packet, need at first it to be removed processing such as IP head and extraction data to be transmitted, and then the data to be transmitted that extracts is encapsulated as the data broadcasting form, send to terminal by multiplexed sub frame; As shown in Figure 1, Fig. 1 is the multiplexed sub frame structural representation in the existing CMMB system, and data segment wherein promptly is used to carry the data to be transmitted that said extracted goes out.After terminal receives the data that data broadcast platform sends, need not to carry out the IP layer and handle, directly be submitted to application layer and resolve.But so, some advantage that the IP packet itself has may just can't embody in the CMMB system.Such as; usually can carry the originating address of data service in the IP head; and for interactive service; originating address terminal exactly is needed; but after according to existing mode the IP packet being handled; owing to removed the IP head,, thereby caused interactive service to realize so the originating address of data service also just can't be notified to terminal.As seen, existing processing mode at the IP packet is unfavorable for that IP-based data service carries out flexibly in the CMMB system.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of data business transmission method, can realize the flexible configuration of data service, and convenient IP-based data service carrying out flexibly in the CMMB system.
Another object of the present invention is to provide a kind of data traffic transmission system, can realize the flexible configuration of data service, and convenient IP-based data service carrying out flexibly in the CMMB system.
A further object of the present invention is to provide a kind of data traffic transmission device, can realize the flexible configuration of data service, and convenient IP-based data service carrying out flexibly in the CMMB system.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of data business transmission method comprises:
Determine the multiplexed sub frame of the professional pairing Internet protocol IP packet of the current different pieces of information that receives required use when transmission respectively;
All IP packets that use same multiplexed sub frame to transmit the needs of determining all are encapsulated in the same multiplexed sub frame of its correspondence, and are transferred to terminal;
Wherein, all IP packets that the described needs that will determine use same multiplexed sub frame to transmit all are encapsulated in the same multiplexed sub frame of its correspondence, and when being transferred to terminal, further comprise:
Carry the indication information of the corresponding relation between different multiplexed sub frames and the service identification thereof to the terminal transmission, and carry the electron service instruction ESG that different service identifications is distinguished corresponding data service;
Terminal is determined the professional corresponding service sign of self desired data, and then according to described indication information, is determined the multiplexed sub frame of this service identification correspondence, and resolve this multiplexed sub frame according to described ESG, obtains required IP packet.
Wherein, the multiplexed sub frame of the described professional pairing IP packet of definite respectively current different pieces of information that receives required use when transmission comprises:
Set in advance the multiplexed sub frame of the professional pairing IP packet of different pieces of information required use when transmission; According to described setting, determine the multiplexed sub frame of the IP packet that receives required use when transmission.
A kind of data traffic transmission system comprises: data broadcast platform and terminal;
Described data broadcast platform, be used for determining respectively the multiplexed sub frame of the professional pairing Internet protocol IP packet of the current different pieces of information that receives required use when transmission, and all IP packets that the needs that will determine use same multiplexed sub frame to transmit all are encapsulated in the same multiplexed sub frame of its correspondence, are transferred to terminal;
Described terminal is used to resolve the multiplexed sub frame at the professional corresponding IP data bag of self desired data place, obtains required IP packet;
Wherein, described data broadcast platform comprises:
Receive determining unit, be used for determining respectively the multiplexed sub frame of the professional pairing IP packet of the current different pieces of information that receives required use when transmission;
The encapsulation transmitting element, all IP packets that the needs that are used for determining use same multiplexed sub frame to transmit all are encapsulated into the same multiplexed sub frame of its correspondence, and are transferred to described terminal;
Described encapsulation transmitting element is further used for, and sends to terminal and carries the indication information of the corresponding relation between different multiplexed sub frames and the service identification thereof, and carry the different service identifications electron service instruction ESG of corresponding data service respectively;
Described terminal is determined the professional corresponding service sign of self desired data, and then according to described indication information, is determined the multiplexed sub frame of this service identification correspondence, and resolve this multiplexed sub frame according to described ESG, obtains the professional corresponding IP data bag of desired data.
A kind of data traffic transmission device comprises:
Receive determining unit, be used for determining respectively the multiplexed sub frame of the professional pairing Internet protocol IP packet of the current different pieces of information that receives required use when transmission;
The encapsulation transmitting element, all IP packets that the needs that are used for determining use same multiplexed sub frame to transmit all are encapsulated into the same multiplexed sub frame of its correspondence, and are transferred to terminal;
Described encapsulation transmitting element is further used for, send the indication information that carries the corresponding relation between different multiplexed sub frames and the service identification thereof to terminal, and carry the different service identifications electron service instruction ESG of corresponding data service respectively, so that described terminal correctly finds and resolves the multiplexed sub frame at the professional corresponding IP data bag of self desired data place.
As seen, adopt technical scheme of the present invention, behind the IP packet that receives corresponding to the different pieces of information business, determine the multiplexed sub frame of each IP packet required use when transmission at first respectively; Then, all IP packets that use same multiplexed sub frame to transmit the needs of determining all are encapsulated in the same multiplexed sub frame of its correspondence, and are transferred to terminal.Compared with prior art, scheme of the present invention can be as required, set arbitrarily which data service is corresponded on the same service identification, and utilize same multiplexed sub frame to transmit the IP packet of the pairing a plurality of data services of same service identification, thereby make that the configuration of data service is more flexible; And, in the scheme of the present invention,, need not to remove the first-class processing of IP as prior art for the IP packet, only need be potted directly in the multiplexed sub frame and get final product, thereby make things convenient for IP-based data service carrying out flexibly in the CMMB system.
Description of drawings
Fig. 1 is the multiplexed sub frame structural representation in the existing CMMB system.
Fig. 2 is the flow chart of data business transmission method embodiment of the present invention.
Fig. 3 is for being contained in a plurality of IP data envelopes among the inventive method embodiment the mode schematic diagram in the same multiplexed sub frame.
Fig. 4 is the composition structural representation of data traffic transmission system embodiment of the present invention.
Fig. 5 is the composition structural representation of data traffic transmission device embodiment of the present invention.
Embodiment
At problems of the prior art, a kind of brand-new data traffic transmission scheme is proposed among the present invention, i.e. the corresponding a plurality of data services of each service identification that is to say that each service identification is equivalent to a collection of services; The pairing IP data envelope of these a plurality of data services is contained in the same multiplexed sub frame transmits, and utilize the difference of IP address that a plurality of IP packets that are encapsulated in the same multiplexed sub frame are distinguished.
Wherein, concrete corresponding which data service of each service identification can set in advance, be that the pairing IP packet of pre-specified which data service utilizes multiplexed sub frame 1 to transmit, the pairing IP packet of which data service utilizes multiplexed sub frame 2 to transmit etc.In principle, can set different data services corresponding service sign respectively arbitrarily, but in actual applications, one group of data service that will be associated usually corresponds on the same service identification.
Like this, in the specific implementation of scheme of the present invention, after receiving the professional pairing IP packet of different pieces of information, determine the multiplexed sub frame of these IP packets required use of difference when transmission at first respectively; Then, all IP packets that use same multiplexed sub frame to transmit the needs of determining all are encapsulated in the same multiplexed sub frame of its correspondence, and are transferred to terminal.Simultaneously, also need and to carry the indication information of the corresponding relation between different multiplexed sub frames and the service identification thereof, and carry different service identifications and distinguish the electron service instruction (ESG, Electronic Service Guide) of corresponding data service and be transferred to terminal; Like this, terminal can be determined the professional pairing service identification of self desired data, and then according to indication information, determine the pairing multiplexed sub frame of this service identification, and resolve this multiplexed sub frame according to ESG, obtains required IP packet.
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
Fig. 2 is the flow chart of data business transmission method embodiment of the present invention.As shown in Figure 2, may further comprise the steps:
Step 201: receive the professional corresponding IP data bag respectively of different pieces of information, and determine the multiplexed sub frame of each IP packet required use when transmission respectively.
Suppose the multiplexed sub frame that has only two to can be used for carrying out the IP data packet transmission in the present embodiment, be respectively multiplexed sub frame 1 and multiplexed sub frame 2, and suppose to receive 6 IP packets altogether, be respectively IP packet 1, IP packet 2, IP packet 3, IP packet 4, IP packet 5 and IP packet 6; Wherein, IP packet 1, IP packet 2 and IP packet 3 need to use multiplexed sub frame 1 to transmit, and IP packet 4, IP packet 5 and IP packet 6 need to use multiplexed sub frame 2 to transmit.
Step 202: all IP packets that the needs that will determine use same multiplexed sub frame to transmit all are encapsulated in its corresponding multiplexed sub frame, and are transferred to terminal.
In this step, IP packet 1, IP packet 2 and IP packet 3 are encapsulated in the multiplexed sub frame 1 simultaneously, IP packet 4, IP packet 5 and IP packet 6 are encapsulated in the multiplexed sub frame 2 simultaneously, and multiplexed sub frame 1 and multiplexed sub frame 2 are transferred to terminal respectively.With different in the prior art be, in this step, need not the IP packet is removed the IP head and extracted processing such as data to be transmitted, only need directly the entire I P packet that receives is encapsulated and get final product.Concrete packaged type is same as the prior art, repeats no more.
As shown in Figure 3, Fig. 3 is for being contained in a plurality of IP data envelopes among the inventive method embodiment the mode schematic diagram in the same multiplexed sub frame.
Need to prove, shown in Figure 3 only for illustrating, be not limited to technical scheme of the present invention.In actual applications,, have only needs to use multiplexed sub frame 1 to transmit though might receive a plurality of IP packets, so in this case, multiplexed sub frame 1 will with prior art in the same, only carry data message corresponding to a data business; Perhaps, may all need to use multiplexed sub frame 1 to transmit by current all IP packets that receive yet, so, multiplexed sub frame 2 can be set to sky or transmit 0, specific implementation not be limit.
In addition, suppose currently multiplexed sub frame 1 and multiplexed sub frame 2 to be transferred to after the terminal, receive a new IP packet 7 again, and this IP packet 7 needs equally to use multiplexed sub frames 1 to transmit, at next constantly, IP packet 7 also can be encapsulated in the multiplexed sub frame 1 so.Like this, if IP packet 1, IP packet 2 and IP packet 3 have not passed yet, next will transmit 4 IP packets in the multiplexed sub frame 1 constantly simultaneously so.In addition, but consider that the data carried by data amount is limited in the multiplexed sub frame, if it is more newly to add recent IP packet, can correspondingly reduce data quantity transmitted of each IP packet, once can not pass Wan, next also can continue transmission constantly, until end of transmission.
Step 203: carry the indication information of the corresponding relation between different multiplexed sub frames and the service identification thereof to the terminal transmission, and carry the ESG that different service identifications is distinguished corresponding data service.
In the CMMB system, utilize multiplexed sub frame TS0 to transmit the indication information that carries the corresponding relation between different multiplexed sub frames and the service identification thereof usually.The effect of multiplexed sub frame TS0 and ESG is identical with multiplexed sub frame TS0 and ESG in the existing CMMB system.Just for ESG, each service identification that is write down among the ESG in the existing CMMB system is data business of correspondence only, and each service identification that is write down among the ESG in the present embodiment may corresponding a plurality of data services.
Step 204: the multiplexed sub frame at the professional corresponding IP data bag of self desired data place is determined and resolved to terminal according to the indication information and the ESG that receive, obtains the professional corresponding IP data bag of desired data.
In this step, terminal is determined the professional corresponding service sign of self desired data, and then according to indication information, is determined the multiplexed sub frame of this service identification correspondence, and resolve this multiplexed sub frame at first according to described ESG, obtains required IP packet.Wherein, for a plurality of IP packets in the same multiplexed sub frame, can distinguish by the difference of IP address.Follow-up, it is known in this field how terminal is treated to the IP packet that gets access to, and repeats no more.
Based on said method, the present invention provides a kind of data traffic transmission system and device simultaneously, and is as follows:
Fig. 4 is the composition structural representation of data traffic transmission system embodiment of the present invention.As shown in Figure 4, this system comprises: data broadcast platform 41 and terminal 42 (in actual applications, have a plurality of terminals usually, but for simplifying accompanying drawing, only expressed a terminal among Fig. 4, the processing mode of each terminal all is the same);
Fig. 5 is the composition structural representation of data traffic transmission device embodiment of the present invention.Here the data traffic transmission device of being mentioned is the data broadcast platform 41 shown in Fig. 4.As shown in Figure 5, this device comprises:
Receive determining unit 51, be used for determining respectively the multiplexed sub frame of the professional pairing IP packet of the current different pieces of information that receives required use when transmission;
Wherein, encapsulation transmitting element 52 also can be further used for, and sends to terminal 42 and carries the indication information of the corresponding relation between different multiplexed sub frames and the service identification thereof, and carry the ESG that different service identifications is distinguished corresponding data service; Terminal 42 is determined the professional corresponding service sign of self desired data, and then according to described indication information, is determined the multiplexed sub frame of this service identification correspondence, and resolve this multiplexed sub frame according to described ESG, obtains the professional corresponding IP data bag of desired data.
In a word, adopt technical scheme of the present invention, the corresponding one group of data service of each service identification, promptly can transmit a plurality of data service corresponding IP data bags simultaneously in a multiplexed sub frame, and, can be as required, which data service setting corresponds on the same service identification arbitrarily, thereby makes that the configuration of data service is more flexible; And, in the scheme of the present invention,, need not to remove the first-class processing of IP as prior art for the IP packet, only need be potted directly in the multiplexed sub frame and get final product, thereby make things convenient for IP-based data service carrying out flexibly in the CMMB system; Have, in the scheme of the present invention, each multiplexed sub frame can transmit a plurality of data service corresponding IP data bags simultaneously, has improved multiplexing efficient again.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a data business transmission method is characterized in that, this method comprises:
Determine the multiplexed sub frame of the professional pairing Internet protocol IP packet of the current different pieces of information that receives required use when transmission respectively;
All IP packets that use same multiplexed sub frame to transmit the needs of determining all are encapsulated in the same multiplexed sub frame of its correspondence, and are transferred to terminal;
Wherein, all IP packets that the described needs that will determine use same multiplexed sub frame to transmit all are encapsulated in the same multiplexed sub frame of its correspondence, and when being transferred to terminal, further comprise:
Carry the indication information of the corresponding relation between different multiplexed sub frames and the service identification thereof to the terminal transmission, and carry the electron service instruction ESG that different service identifications is distinguished corresponding data service;
Terminal is determined the professional corresponding service sign of self desired data, and then according to described indication information, is determined the multiplexed sub frame of this service identification correspondence, and resolve this multiplexed sub frame according to described ESG, obtains required IP packet.
2. method according to claim 1 is characterized in that, the multiplexed sub frame of the described professional pairing IP packet of definite respectively current different pieces of information that receives required use when transmission comprises:
Set in advance the multiplexed sub frame of the professional pairing IP packet of different pieces of information required use when transmission; According to described setting, determine the multiplexed sub frame of the IP packet that receives required use when transmission.
3. a data traffic transmission system is characterized in that, this system comprises: data broadcast platform and terminal;
Described data broadcast platform, be used for determining respectively the multiplexed sub frame of the professional pairing Internet protocol IP packet of the current different pieces of information that receives required use when transmission, and all IP packets that the needs that will determine use same multiplexed sub frame to transmit all are encapsulated in the same multiplexed sub frame of its correspondence, are transferred to terminal;
Described terminal is used to resolve the multiplexed sub frame at the professional corresponding IP data bag of self desired data place, obtains required IP packet;
Wherein, described data broadcast platform comprises:
Receive determining unit, be used for determining respectively the multiplexed sub frame of the professional pairing IP packet of the current different pieces of information that receives required use when transmission;
The encapsulation transmitting element, all IP packets that the needs that are used for determining use same multiplexed sub frame to transmit all are encapsulated into the same multiplexed sub frame of its correspondence, and are transferred to described terminal;
Described encapsulation transmitting element is further used for, and sends to terminal and carries the indication information of the corresponding relation between different multiplexed sub frames and the service identification thereof, and carry the different service identifications electron service instruction ESG of corresponding data service respectively;
Described terminal is determined the professional corresponding service sign of self desired data, and then according to described indication information, is determined the multiplexed sub frame of this service identification correspondence, and resolve this multiplexed sub frame according to described ESG, obtains the professional corresponding IP data bag of desired data.
4. a data traffic transmission device is characterized in that, this device comprises:
Receive determining unit, be used for determining respectively the multiplexed sub frame of the professional pairing Internet protocol IP packet of the current different pieces of information that receives required use when transmission;
The encapsulation transmitting element, all IP packets that the needs that are used for determining use same multiplexed sub frame to transmit all are encapsulated into the same multiplexed sub frame of its correspondence, and are transferred to terminal;
Described encapsulation transmitting element is further used for, send the indication information that carries the corresponding relation between different multiplexed sub frames and the service identification thereof to terminal, and carry the different service identifications electron service instruction ESG of corresponding data service respectively, so that described terminal correctly finds and resolves the multiplexed sub frame at the professional corresponding IP data bag of self desired data place.
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| CN2008102402579A CN101437034B (en) | 2008-12-18 | 2008-12-18 | Data business transmission method, system and apparatus |
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| CN2008102402579A CN101437034B (en) | 2008-12-18 | 2008-12-18 | Data business transmission method, system and apparatus |
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| CN101437034A CN101437034A (en) | 2009-05-20 |
| CN101437034B true CN101437034B (en) | 2011-09-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101754006B (en) * | 2009-07-08 | 2013-03-20 | 北京创毅视讯科技有限公司 | Method and system for bearing mobile broadcasting service by China mobile multimedia broadcasting (CMMB) network |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909513A (en) * | 2006-07-18 | 2007-02-07 | 华为技术有限公司 | Method for realizing head compressing and multiple-use in serial chain circuit |
| CN101150383A (en) * | 2007-10-15 | 2008-03-26 | 中兴通讯股份有限公司 | IP data transmission method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909513A (en) * | 2006-07-18 | 2007-02-07 | 华为技术有限公司 | Method for realizing head compressing and multiple-use in serial chain circuit |
| CN101150383A (en) * | 2007-10-15 | 2008-03-26 | 中兴通讯股份有限公司 | IP data transmission method |
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Effective date of registration: 20151012 Address after: 100080, Beijing, Zhongguancun Haidian District Street 11, 100 million world wealth center, block A, 12 Patentee after: BEIJING BOXIN SHITONG TECHNOLOGY CO., LTD. Address before: 100084, No. 803, building A, Tsinghua Science and Technology Park, No. 8, Zhongguancun East Road, building 1, Haidian District, Beijing Patentee before: Beijing Chuangyi Vision Technology Co., Ltd. |
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Granted publication date: 20110928 Termination date: 20171218 |