CN101188465B - A method for getting electronic service guidance in multimedia/multicast service - Google Patents
A method for getting electronic service guidance in multimedia/multicast service Download PDFInfo
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- CN101188465B CN101188465B CN2007101610461A CN200710161046A CN101188465B CN 101188465 B CN101188465 B CN 101188465B CN 2007101610461 A CN2007101610461 A CN 2007101610461A CN 200710161046 A CN200710161046 A CN 200710161046A CN 101188465 B CN101188465 B CN 101188465B
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Abstract
The invention relates to an electronic business guidance acquisition method for multimedia broadcast/multicast services, and uses a data block to store the electronic business guidance, including: a mobile terminal (101) sends a piece of electronic business guidance acquisition request information to a business platform (103), and the request information comprises at least the local data block description information of the mobile terminal; the business platform receives the request information, by comparing the mobile terminal local data block description information with the business platform local data block description information, the different information, if any, is sent to the mobile terminal; the mobile terminal acquires a different data block according to the different information and upgrades the local data block and the description information of the mobile terminal. The method only sends the merely required electronic business guidance via information exchange and edition comparison, and further sends the only needy upgrading part by the comprehensive comparison of description information, thereby effectively avoiding the excessive network flux.
Description
Technical field
The present invention relates to mobile communication, be specifically related to electron service instruction acquisition methods in a kind of multimedia broadcast/group broadcast service.
Background technology
The function of electron service instruction (ESG, Electronic Service Guide) or electronic program guides is that operator is used to describe the business and the content of being runed, and the Operational Visit method when using.
For the user, ESG is an inlet of finding available service and content.By the ESG data message, the user can understand the relevant information (comprising Business Name, reproduction time, content outline, price etc.) of Mobile Multimedia Broadcasting/multicast service, and realizes quick retrieval, preview and visit to business; It is for user's TV reception and enjoy information service a good navigation mechanism is provided, and makes the user can find the program of own care, the additional information of checking program quickly and easily.
Portable terminal is by request, and the ESG data message sends to portable terminal by network side, change, maintenance and the issue of the continuous ESG data message of operator.Along with enriching of ESG amount of information, the ESG data message that effectively upgrades portable terminal seems particularly important.
Ordinary circumstance, all portable terminals send ESG data message HTTP request, and network side server promptly responds the XML document of returning same ESG.When customer volume increases, this immediately traffic of same ESG data being directly proportional thereupon increased, and must cause network congestion under the commercialization situation.
Summary of the invention
The technical issues that need to address of the present invention provide electron service instruction acquisition methods in a kind of multimedia broadcast/group broadcast service, can effectively reduce the traffic of ESG data.
Above-mentioned first technical problem of the present invention solves like this, electron service instruction acquisition methods in a kind of multimedia broadcast/group broadcast service is provided, use local data piece preservation electron service instruction and adopt the described data block of buffer descriptor information unique identification, may further comprise the steps:
1.1) portable terminal sends electron service instruction to described business platform and obtain request message, comprises portable terminal local data piece descriptor in the described request message at least;
1.2) described business platform reception described request message, contrast described portable terminal local data piece descriptor and business platform local data piece descriptor, if distinct, send distinctive information to portable terminal;
1.3) described portable terminal obtains and obtain the data block of difference and upgrade portable terminal local data piece and descriptor thereof according to described distinctive information.
According to acquisition methods provided by the invention, described local data piece is a polylith, but also can comprise one situation.
According to acquisition methods provided by the invention, described step 1.2) in if not distinct, described business platform (103) rejecting said request message.
According to acquisition methods provided by the invention, described buffer descriptor information comprises the data block quantity of store electrons business guide and the description of each data block, and the description of described each data block comprises the data block sign and the data block version number of each data block at least.
According to acquisition methods provided by the invention, described step 1.2) specifically comprise:
4.1) the described portable terminal local data piece descriptor of contrast and the data block quantity of business platform local data piece descriptor and at least one in the version number;
4.2) when in data block quantity and version number at least one has renewal, described business platform (103) sends the response message that above-mentioned business guide is obtained request to this portable terminal, comprises the data block and the descriptor thereof of data updated number of blocks and/or renewal version in the described response message.
According to acquisition methods provided by the invention, described buffer descriptor information also comprises electron service instruction version number, described step 4.1) also comprises electron service instruction version number in described portable terminal local data piece descriptor of contrast and the business platform local data piece descriptor before, as if identical then direct skips steps 4.1) and 4.2) judge indistinction, if difference enters step 4.1).
According to acquisition methods provided by the invention, step 1.1) in data block quantity in the portable terminal local data piece descriptor be 0, step 1.2 then) described in business platform send current all buffer descriptor information to described portable terminal; Step 1.3) portable terminal described in obtains in the described business platform and all corresponding data blocks of current all buffer descriptor information.
According to acquisition methods provided by the invention, described buffer descriptor information comprises the description of data block quantity and each data block, the description of described each data block comprises the data block sign and the data block version number of each data block at least, described step 1.1) the preceding business platform (103) that also comprises upgrades this data block version number or adopts the data block that new version number censures to be increased when data block is upgraded or increase.
According to acquisition methods provided by the invention, described each data block sign is unique.
According to acquisition methods provided by the invention, described step 1.3) also comprises: upgrade portable terminal local data piece and upgrade the data block version number of this local data piece correspondence in the portable terminal local data piece descriptor.
According to acquisition methods provided by the invention, described step 1.3) also comprise: the local redundant data piece of deletion portable terminal and delete in the portable terminal local data piece descriptor should this locality redundant data piece correspondence data block sign and data block version number.
Electron service instruction acquisition methods in a kind of multimedia broadcast/group broadcast service provided by the invention, interacting message by mobile communications network is realized, described business platform generates the data block quantity of the ESG data message of up-to-date issue, and each data block identifies, data block version number, and corresponding ESG data message.And the ESG of terminal obtained replying of request, what most possibly take the network bandwidth is the XML document of ESG data message, and the present invention only sends the part of change.Thus, under the huge number of users of commercial system, this method has effectively been avoided the existing network congestion that technology may cause of obtaining.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a schematic network structure of the present invention;
Fig. 2 is that interactive mode of the present invention is obtained the schematic flow sheet that upgrades ESG;
Embodiment
At first, key of the present invention is described:
The present invention realizes by interacting message between portable terminal and Mobile Multimedia Broadcasting/multicast service platform (abbreviation business platform) by mobile communications network.This method comprises following technical step:
(1) described business platform maintenance management ESG data message;
Described ESG data message type comprises business information, content information, Promgramming information, ordering information, visit descriptor etc.
Described business platform uses database table to manage the record of described ESG data message, and these are the information that portable terminal will obtain through after audit and issuing.Can change described ESG data message and examine again again, issue according to operator's needs.
Described business platform uses the ESG data message of the corresponding sign issue of unique version number over a period to come, uses one or more version numbers, and correspondence sign ESG data message is all or part of respectively.Version number's use is moved terminal and generally acknowledged the increasing progressively or other rule expression renewals of this business platform.
Described business platform generates the XML document of one or more ESG data blocks by one or more records of one or more described tables of data, and each data block has unique identification.Data block is meant the subclass of the set of record element here.
Described business platform after change is issued again, divides the XML document that generate new ESG data block to changing unit at the ESG data message, and uses the new version number sign.
Described business platform also comprises the system configuration data that management ESG data message obtains and upgrades, and comprising: data block quantity, one or more data block signs and version number thereof.
(2) portable terminal sends business guide to described business platform and obtains request message;
The parameter of described request message comprises the description of data block quantity and each data block, and the description of this data block comprises one of following parameters at least: data block sign and version number thereof.Portable terminal uses these required parameters, has described the data block and the version number thereof of its current ESG data message.The corresponding processing comprises:
Obtain ESG for the first time for portable terminal, data block quantity is 0 in the request message.
Obtain ESG for mobile terminal to update, operation parameter has been described the data block of the current all ESG data message of portable terminal in the request message.
(3) described business platform sends the response message that above-mentioned business guide is obtained request to this portable terminal;
Described response message parameter comprises the description of data block quantity and each change data block of data block quantity, change, the description of this change data block comprises one of following parameters at least: data block sign, data block version number, and the XML document of corresponding ESG data message.
Described business platform is determined the parameter of described response message according to the parameter of mobile terminal request message.The corresponding processing comprises:
Obtain ESG for the first time for portable terminal, the ESG data message of corresponding all latest editions of response message parameter.
Obtain ESG for mobile terminal to update, the ESG data message of corresponding all changes of response message.
(4) this mobile terminal to update and buffer memory business guide;
After portable terminal receives response message,, be used for upgrading and buffer memory this locality ESG data message with data such as the ESG data message that receives, data block version numbers.
The processing of mobile terminal to update comprises:
Obtain ESG for the first time for portable terminal, data cached number of blocks, each data block sign, data block version number, and corresponding ESG data message.
Obtain ESG for mobile terminal to update, more new data block quantity, and the data block version number that upgrades each change, and corresponding ESG data message.Delete useless data block sign, data block version number information, and corresponding ESG data message.
In second step, network environment of the present invention is described:
As shown in Figure 1, this system is by mobile communications network (as GPRS, CDMA etc.).Each part implication is as follows:
(1) portable terminal 101, can be portable terminals such as PDA, mobile phone or vehicle-mounted travelling carriage.
Portable terminal is finished function and is comprised:
Interactive mode is obtained the transmission of upgrading the ESG data information request;
Interactive mode is obtained and is upgraded the reception that the ESG data message is replied;
Upgrade and buffer memory ESG data message, comprise data cached number of blocks, each data block sign, data block version number, and corresponding ESG data message.
(2) mobile communications network 102, comprise the core net and the access net system of mobile communications network.Support mutual bearing functions such as PS territory HTTP.
(3) Mobile Multimedia Broadcasting/multicast service platform 103, its function comprises:
The system configuration data of the various data messages of management ESG, ESG service etc.;
Generate one or more data blocks, obtain to upgrade for interactive mode and use;
As requested, the XML document of encapsulation ESG data message;
Reply the interactive mode of portable terminal and obtain the ESG request of upgrading, transmission response message.
At last, describe the communication flow of the inventive method in detail, as shown in Figure 2, may further comprise the steps:
201) Mobile Multimedia Broadcasting/multicast service platform 103 maintenance management ESG data messages;
This ESG data message type comprises business information, content information, Promgramming information, ordering information, visit descriptor etc.
This business platform 103 uses database table to manage the record of ESG data message, and these are the information that portable terminal will obtain through after audit and issuing.Can be according to operator's needs, change ESG data message is examined again, is issued.
This business platform 103 uses the ESG data message of the corresponding sign issue of unique version number over a period to come, uses one or more version numbers, and correspondence sign ESG data message is all or part of respectively.Version number's use is moved terminal and generally acknowledged the increasing progressively or other rule expression renewals of this business platform.
This business platform 103 generates the XML document of one or more ESG data blocks by one or more records of the tables of data of one or more ESG data messages, and each data block has unique identification.
This business platform 103 after change is issued again, divides the XML document that generate new ESG data block to changing unit at the ESG data message, and uses the new version number sign.
This business platform 103 also comprises the system configuration data that management ESG data message obtains and upgrades, and comprising: data block quantity, one or more data block signs and version number thereof.
202) portable terminal 101 sends business guide to Mobile Multimedia Broadcasting/multicast service platform 103 and obtains request message.Request message is as follows:
POST<Request?URI>HTTP/1.1
Host：
User-Agent：
Content-Type：
Content-Length：
Date：
Accept：
<payload>
The parameter declaration of request message is referring to table 2.
| Parameter | Explanation |
| Request URI | Mobile multi-media service platform URI and part required parameter.For example :/? requesttype=esg_retrieve﹠amp; Msisdn=13951803543 |
| Host | Mobile multi-media service platform domain name and port. |
| User-Agent | The information of client. |
| Content-Type | ＜payload〉the message body content type. |
| Content-Length | ＜payload〉message body byte number length. |
| Date | Date, the time of request. |
| Accept | The medium type of the response message that terminal can receive. |
| ＜payload 〉 | The message body of request comprises current one or more of portable terminal: the XML document of data type sign, data block sign and version number information thereof. |
Table 1 differential update ESG request message parameter declaration
This request message message body＜payload〉parameter comprise the description of data block quantity and each data block, the description of this data block comprises one of following parameters at least: data block sign and version number thereof.Portable terminal uses these required parameters, has described the data block and the version number thereof of its current ESG data message.This parameter is used the XML format description.The corresponding processing comprises:
Obtain ESG for the first time for portable terminal 101, data block quantity is 0 in the request message.
Upgrade for portable terminal 101 and to obtain ESG, operation parameter has been described the data block of the current all ESG data message of portable terminal in the request message.
203) Mobile Multimedia Broadcasting/multicast service platform 103 returns interactive mode and obtains replying of ESG.Response message is as follows:
HTTP/1.1?200?OK
Server：
Content-Type：
Content-Length：
Date：
Expires：
<payload>
The parameter declaration of response message is referring to table 3.
| Parameter | Explanation |
| Server | Server ip and port. |
| Content-Type | ＜payload〉the message body content type. |
| Content-Length | ＜payload〉message body byte number length. |
| Date | The date of replying, time. |
| Expires | Reply expired time. |
| ＜payload 〉 | The message body of replying comprises current one or more of portable terminal: data type sign, data block sign, version number, and the XML document of corresponding ESG data message. |
Table 2 differential update ESG response message parameter declaration
This response message message body＜payload〉parameter comprises the description of the data block quantity of data block quantity, change and each change data block, the description of this change data block comprises one of following parameters at least: data block sign, data block version number, and the XML document of corresponding ESG data message.
This business platform 103 is determined the parameter of this response message according to the parameter of mobile terminal request message.This parameter is used the XML format description.The corresponding processing comprises:
Obtain ESG for the first time for portable terminal 101, the ESG data message of corresponding all latest editions of response message parameter.
ESG is obtained in 101 renewals for portable terminal, the ESG data message of corresponding all changes of response message.
204) portable terminal 101 receives ESG differential update data, and renewal and the local ESG data message of buffer memory.
After portable terminal 101 receives response messages,, be used for upgrading and buffer memory this locality ESG data message with data such as the ESG data message that receives, data block version numbers.
The processing that portable terminal 101 upgrades comprises:
Obtain ESG for the first time for portable terminal 101, data cached number of blocks, each data block sign, data block version number, and corresponding ESG data message.
ESG is obtained in 101 renewals for portable terminal, more new data block quantity, and the data block version number that upgrades each change, and corresponding ESG data message.Delete useless data block sign, data block version number information, and corresponding ESG data message.
Mobile Multimedia Broadcasting/multicast service platform 103 is prepared ESG and is upgraded the data of replying according to mobile terminal request.
The implementation method of Mobile Multimedia Broadcasting/multicast service platform 103 typical deal with data comprises the ESG data message of managing up-to-date released version, generates corresponding XML document by data block sign and version number thereof, sends for upgrading when replying.
For example, Mobile Multimedia Broadcasting/multicast service platform is current 2 data blocks, is designated piece 1, piece 2, and version number is respectively 2,3.
Before this, when data block 2 rose to version 3 by version 2, the mobile multi-media service platform should in time generate the XML document (upgrading the XML document of usefulness) of the ESG data message of data block 2 version 3s.
If piece 1, piece 2 version numbers were respectively 2,2 before certain terminal UE 1 was upgraded, the mobile multi-media service platform is judged after the update request needs more new data block 2, promptly replys the XML document of above-mentioned renewal usefulness.And do not need to send the ESG data message of data block 1 to UE1.
Thus, when portable terminal need upgrade ESG,, send the HTTP update request to the mobile multi-media service platform by mobile communications network.Should ask by the mobile multi-media service platform processes, and, reply the ESG data message of change by mobile communications network to this terminal.
Claims (11)
1. electron service instruction acquisition methods in the multimedia broadcast/group broadcast service is characterized in that, uses the local data piece to preserve electron service instruction and also adopts the described data block of buffer descriptor information unique identification, may further comprise the steps:
1.1) portable terminal (101) sends electron service instruction to business platform (103) and obtain request message, comprises portable terminal local data piece descriptor in the described request message at least;
1.2) described business platform (103) reception described request message, described portable terminal local data piece descriptor and business platform local data piece descriptor are judged in contrast, if distinct then the needs upgrades, send responding of load distinctive information to portable terminal (101);
1.3) described portable terminal (101) obtains response and obtain the data block of difference and upgrade portable terminal local data piece and descriptor thereof according to described distinctive information.
2. according to the described acquisition methods of claim 1, it is characterized in that described step 1.2) in if not distinct, described business platform (103) rejecting said request message.
3. according to the described acquisition methods of claim 1, it is characterized in that, described buffer descriptor information comprises the data block quantity of store electrons business guide and the description of each data block, and the description of described each data block comprises the data block sign and the data block version number of each data block at least.
4. according to the described acquisition methods of claim 3, it is characterized in that described step 1.2) specifically comprise:
4.1) the described portable terminal local data piece descriptor of contrast and the data block quantity of business platform local data piece descriptor and at least one in the version number;
4.2) when in data block quantity and version number at least one has renewal, described business platform (103) sends above-mentioned business guide to this portable terminal (101) and obtains the response message of request, comprises the data block and the descriptor thereof of data updated number of blocks and/or renewal version in the described response message.
5. according to the described acquisition methods of claim 4, it is characterized in that, described buffer descriptor information also comprises electron service instruction version number, described step 4.1) also comprises electron service instruction version number in described portable terminal local data piece descriptor of contrast and the business platform local data piece descriptor before, as if identical then direct skips steps 4.1) and 4.2) judge indistinction, if difference enters step 4.1).
6. according to the described acquisition methods of claim 3, it is characterized in that, step 1.1) the data block quantity in the portable terminal local data piece descriptor is 0, then step 1.2) described in business platform (103) send current all buffer descriptor information to described portable terminal (101); Step 1.3) portable terminal described in obtains in the described business platform and all corresponding data blocks of current all buffer descriptor information.
7. according to the described acquisition methods of claim 1, it is characterized in that, described buffer descriptor information comprises the description of data block quantity and each data block, the description of described each data block comprises the data block sign and the data block version number of each data block at least, described step 1.1) the preceding business platform (103) that also comprises upgrades this data block version number or adopts the data block that new version number censures to be increased when data block is upgraded or increase.
8. according to claim 3 or 7 described acquisition methods, it is characterized in that described each data block sign is unique.
9. described according to Claim 8 acquisition methods is characterized in that described step 1.3) also comprise: upgrade portable terminal local data piece and upgrade the data block version number of this local data piece correspondence in the portable terminal local data piece descriptor.
10. described according to Claim 8 acquisition methods, it is characterized in that described step 1.3) also comprise: the local redundant data piece of deletion portable terminal and delete in the portable terminal local data piece descriptor should this locality redundant data piece correspondence data block sign and data block version number.
11., it is characterized in that described distinctive information comprises according to the described acquisition methods of claim 1: the data block and the descriptor thereof of business platform data updated number of blocks and/or renewal version.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101330510A (en) | 2008-06-19 | 2008-12-24 | 腾讯数码（深圳）有限公司 | Method, system, server and client for distributing down directory tree data |
| CN101355397B (en) * | 2008-09-16 | 2011-03-16 | 中兴通讯股份有限公司 | System and method for obtaining electric business guide by mobile terminal |
| CN101753239A (en) * | 2008-12-09 | 2010-06-23 | 中兴通讯股份有限公司 | Method, system and mobile terminal for acquiring electronic service guide on mobile terminal |
| CN101902691B (en) * | 2009-05-25 | 2013-01-16 | 电信科学技术研究院 | Method, device and system for acquiring service guide |
| CN101998162B (en) * | 2009-08-28 | 2013-03-20 | 中国移动通信集团公司 | Method, system and device for realizing multimedia program interaction service in mobile terminal |
| CN102056017B (en) * | 2009-10-29 | 2014-08-13 | 中兴通讯股份有限公司 | ESG distribution method and system for multimedia broadcast service and ESG server |
| EP2364051B1 (en) * | 2010-03-03 | 2017-05-03 | BlackBerry Limited | Method and apparatus to indicate space requirements for communicating capabilities of a device |
| EP2367386B1 (en) | 2010-03-12 | 2020-08-12 | BlackBerry Limited | Timing advance enhancements for cellular communications |
| EP2367394B1 (en) | 2010-03-12 | 2015-11-25 | BlackBerry Limited | Base station and method for receiving transmissions on an enhanced random access channel |
| EP2367393B8 (en) | 2010-03-12 | 2015-12-30 | BlackBerry Limited | Communication Station and Method for Transmitting Additional Information on an Enhanced Random Access Channel |
| EP4033824A1 (en) | 2010-03-12 | 2022-07-27 | BlackBerry Limited | Communication station and method for transmitting on a random access channel |
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