CN101860736A - Method and system for acquiring tip message of latest program - Google Patents

Method and system for acquiring tip message of latest program Download PDF

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Publication number
CN101860736A
CN101860736A CN200910081916A CN200910081916A CN101860736A CN 101860736 A CN101860736 A CN 101860736A CN 200910081916 A CN200910081916 A CN 200910081916A CN 200910081916 A CN200910081916 A CN 200910081916A CN 101860736 A CN101860736 A CN 101860736A
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prompt information
sequence number
program
program prompt
module
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CN200910081916A
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CN101860736B (en
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谢敏华
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a method for acquiring the tip message of a latest program. The method comprises the following steps that: a terminal acquires the tip message of a program, which is sent by a service logical channel, and judges whether the tip message of the program, which is sent by the service logical channel, is acquired for the first time, wherein the tip message of the program contains an update sequence number; if so, the terminal de-multiplexes the acquired tip message of the program, records the content of the de-multiplexed tip message of the program and finishes the current processing procedure; if not, the terminal de-multiplexes the update sequence number in the acquired tip message of the program; the terminal judges whether the de-multiplexed current update sequence number is the same as the recorded update sequence number that was sent by the same service logical channel; if so, the terminal finishes the current processing procedure; and if not, the terminal de-multiplexes the acquired tip message of the program and records the content of the de-multiplexed tip message of the program. The invention further discloses a system for acquiring the tip message of the latest program. The invention can save the resources and improve the user experience.

Description

A kind of method and system of obtaining tip message of latest program
Technical field
The present invention relates to mobile multi-media broadcasting service, relate in particular to the method and system of obtaining tip message of latest program in a kind of mobile multi-media broadcasting service.
Background technology
Mobile multi-media broadcasting service (claiming mobile phone TV services again) has multiple realization technology, comprise: based on the multimedia broadcast multi-broadcasting business (MBMS of mobile communications network, Multimedia Broadcast MulticastService), broadcasting and multicast service (BCMCS, Broadcast and Multicast Service), stream media technology; Technology based on radio network such as received terrestrial digital broadcasting and satellite digital broadcasting, for example the digital video hand-held formula in Europe is broadcasted (DVB-H, Digital Video Broadcasting-Handheld), the single forward link (MediaFLO of the medium of the U.S., Media Forward Link Only), the present China Mobile multimedia broadcasting (CMMB, China Mobile Multimedia Broadcasting) of China.Based on the mobile multi-media broadcasting service of radio network because of having advantages such as availability of frequency spectrum height, capacity is big, construction cost is relatively low, the audient is wide, so be used widely.
For reducing the power consumption of terminal of mobile multimedia broadcast system, mobile multi-media broadcasting service sends in the mode of timeslice burst.Each mobile multi-media broadcasting service independently transmits in the timeslice at one.For example, the duration of the broadcast channel frame of CMMB is 1 second, is made up of 40 25 milliseconds of time slots, and one or more time slots can carry the channel data of one road broadcasting multiplex frame encapsulation.
The user is when using mobile multi-media broadcasting service, understand the relevant information of mobile multi-media broadcasting service by electron service instruction (ESG), comprise Business Name, reproduction time, content outline etc., and realize quick retrieval, preview and visit mobile multi-media broadcasting service.ESG 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 and the additional information of checking program easily.
In mobile multimedia broadcast system, ESG is made of basic descriptor, data message and program prompt information.Basic descriptor is the control information of ESG, described data message in the distribution condition of ESG business, update mode etc., transmits in the control logic channel; Data message is the main body of ESG, has described the business information relevant with mobile multi-media broadcasting service, professional extend information, arrangement information, content information and business parameters data, as a special mobile multi-media broadcasting service transmission; Program prompt information is the supplementary of ESG, has described the summary info of professional current slot and next time period broadcast program, along with Mobile Multimedia Broadcasting video, audio service transmit together.Wherein, data message, program prompt information transmit in service logical channels.
In mobile multi-media broadcasting service receiving terminal side, when the user watches program or service switchover/channel by terminal, the in progress program content information of the quick understanding of needs current business/channel such as time started, theme, duration etc., and the next time period play what program content information, these information are program prompt information.
At present, in mobile multi-media broadcasting service, program prompt information and video-frequency band, audio section transmit in program channel together.Terminal all may receive program prompt information each second.But it is significantly different that program prompt information and video, audio frequency have, and is not all to upgrade each second.After a specific transactions logic channel obtained program prompt information, the program prompt information at this service logical channels of receiving continually later had following three kinds of processing modes usually:
The first, each time demultiplexing program prompt information all, it is relatively whole to catch up with the program prompt information of once receiving then, has judged whether renewal, thereby has determined whether to need to upgrade program prompt information;
The second, demultiplexing program prompt information is not caught up with that the program prompt information of once receiving compares and is directly covered, and refreshes the display program information again;
Three, the program prompt information received of demultiplexing no longer is unless the user initiatively refreshes.
First, second kind mode is owing to all want the demultiplexing program prompt information each time, and catches up with the program prompt information of once receiving and compare or refresh demonstration, obviously can cause the waste of resource; The third mode program prompt information that then can not upgrade in time influences user's experience.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system of obtaining tip message of latest program, can save resource and improve user's experience.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of obtaining tip message of latest program comprises:
The terminal to acquire service logic channel is sent comprises the program prompt information that upgrades sequence number, and judge whether to obtain for the first time the program prompt information that this service logical channels is sent, if, the program prompt information that obtains of demultiplexing then, and the content of the program prompt information that obtains of record demultiplexing, finish current handling process afterwards; Otherwise, the renewal sequence number in the program prompt information that demultiplexing obtains;
Whether the current renewal sequence number that the terminal judges demultiplexing obtains is identical with the renewal sequence number that the same service logical channels that has write down is sent before, if identical, then finishes current handling process; Otherwise, the program prompt information that demultiplexing obtains, and the content of the program prompt information that obtains of record demultiplexing.
Wherein, in comprising before the program prompt information that upgrades sequence number that the terminal to acquire service logic channel is sent, described method further comprises: front end adds in program prompt information and upgrades sequence number, and will comprise the program prompt information that upgrades sequence number and be encapsulated in the multiplexed frame and send to terminal by service logical channels.
Wherein, add in program prompt information and upgrade before the sequence number, described method further comprises: the renewal according to program prompt information changes the value of upgrading sequence number.
Wherein, described renewal according to program prompt information changes the value of upgrading sequence number and is specially: the every renewal of program prompt information once adds 1 or subtract 1 with the value of upgrading sequence number.
Wherein, described renewal sequence number takies 1 to 6 bit that keeps the territory in the program prompt information.
A kind of system that obtains tip message of latest program, comprise the program prompt information acquisition module, the program prompt information judge module upgrades the sequence number demultiplexing module, upgrades sequence number judge module, program prompt information demultiplexing module and program prompt information logging modle; Wherein,
The program prompt information acquisition module is used to obtain the program prompt information that upgrades sequence number that comprises that service logical channels sends;
The program prompt information judge module is used to judge whether obtain for the first time the program prompt information that described service logical channels is sent;
Upgrade the sequence number demultiplexing module, be used for learning when obtaining the program prompt information that described service logical channels sends the non-first time renewal sequence number in the program prompt information that demultiplexing obtains when the program prompt information judge module;
Whether upgrade the sequence number judge module, it is identical to be used to the renewal sequence number sent before judging demultiplexing current renewal sequence number that obtains and the same service logical channels that has write down;
The program prompt information demultiplexing module is used for learning when obtaining for the first time the program prompt information that described service logical channels sends the program prompt information that demultiplexing obtains when the program prompt information judge module; Perhaps, be used for when renewal sequence number judge module learns that current renewal sequence number is different from the renewal sequence number that has write down the program prompt information that demultiplexing obtains;
The program prompt information logging modle is used to write down the content of the program prompt information that demultiplexing obtains.
Wherein, described program prompt information acquisition module, the program prompt information judge module upgrades sequence number demultiplexing module, renewal sequence number judge module, program prompt information demultiplexing module and program prompt information logging modle and is positioned at end side.
Wherein, described system comprises that further upgrading sequence number adds module and program prompt information sending module; Wherein,
Upgrade sequence number and add module, be used for adding the renewal sequence number at program prompt information;
The program prompt information sending module is used for being encapsulated in multiplexed frame and sending to by service logical channels and upgrade the sequence number demultiplexing module comprising the program prompt information that upgrades sequence number.
Wherein, described system further comprises renewal sequence number value module, is used for upgrading the value of sequence number according to the renewal change of program prompt information upgrading sequence number interpolation module before program prompt information adds the renewal sequence number.
Wherein, described renewal sequence number interpolation module, program prompt information sending module and renewal sequence number value module are positioned at front.
As can be seen from the above technical solutions, the front end of mobile multimedia broadcast system of the present invention is when sending program prompt information, increase the renewal sequence number that an information writes down current multiplexed frame program map information, when program prompt information upgrades, upgrade the also corresponding renewal of sequence number.Terminal is after a specific transactions logic channel is received program prompt information for the first time, and this program prompt information of demultiplexing, and write down the full content of this program prompt information is comprising upgrading sequence number.Program prompt information to this specific transactions logic channel of receiving later on, a terminal demultiplexing is at the beginning upgraded sequence number, by relatively upgrading the full content that sequence number determines whether the program prompt information that needs continuation demultiplexing is received, so, both can save resource, can guarantee that again the user obtains up-to-date program prompt information, thereby improve user's experience.
Description of drawings
Fig. 1 obtains the method flow diagram of tip message of latest program for the present invention;
Fig. 2 is a prior art program prompt information encapsulating structure schematic diagram;
Fig. 3 is a program prompt information encapsulating structure schematic diagram of the present invention;
Fig. 4 obtains the structural representation of the system of tip message of latest program for the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage more cheer and bright, below the present invention is described in further detail.
As shown in Figure 1, the present invention's method of obtaining tip message of latest program may further comprise the steps:
Step 101, the front end of mobile multimedia broadcast system are added in program prompt information and are upgraded sequence number, and this is comprised the program prompt information that upgrades sequence number are encapsulated in the terminal that sends to mobile multimedia broadcast system in the multiplexed frame by a service logical channels.
Wherein, the front end of mobile multimedia broadcast system refers to the ESG front end system, and this ESG front end system mainly comprises ESG message composer, data server and broadcasting server, and this is a prior art, does not repeat them here.
Come the encapsulating structure of comparison the present invention and prior art program prompt information below in conjunction with Fig. 2 and Fig. 3.
The encapsulating structure of prior art program prompt information comprises the record number field, keeps territory, recording domain and verification territory as shown in Figure 2; Wherein:
Record number field: 2 bit field, the program prompt information quantity that expression notebook data unit comprises;
Recording domain: can comprise one or more record, article one is recorded as current program information, if trailer record is arranged, then represents next programme information successively; Comprise in every record:
Time started: 40 bit field, the time started and the date of expression program;
Duration: 16 bit field, the reproduction time length of program perhaps in the expression;
Category of language: 24 bit field, the used language of expression the text field;
Theme length: 8 bit field, the length of expression theme;
Theme: 8 bit field, the title of expression broadcast program content.
The cyclic redundancy check (CRC) code (CRC) of verification territory CRC_32:32 bit field.
Keep the territory: 6 bit field, standby.
The encapsulating structure of program prompt information of the present invention and the difference of prior art are: the present invention has added the renewal sequence number in program prompt information.With Fig. 3 is example, and this renewal sequence number has taken 4 bits that keep the territory in the program prompt information.Certainly, this renewal sequence number can take 1 to 6 bit that keeps the territory.
Front end changed the value of upgrading sequence number according to the renewal of program prompt information before add upgrading sequence number, if that is: program prompt information has renewal, should upgrade then that sequence number is also corresponding to be upgraded, and for example: the value of upgrading sequence number can every renewal once adds 1 or subtract 1.Represent with 4 bits if upgrade sequence number, then this renewal sequence number value that between 0~15, circulates.
Step 102, terminal receives the multiplexed frame of sending from certain service logical channels.
Step 103, the multiplexed frame that the terminal demultiplexing is received obtains and comprises the program prompt information that upgrades sequence number.
Step 104~105, whether terminal judges gets access to the program prompt information that this service logical channels is sent for the first time, if then execution in step 107, finishes current handling process afterwards; Otherwise, the renewal sequence number in the program prompt information that a demultiplexing obtains.
Here, whether for the first time terminal judges gets access to program prompt information, can determine according to whether having stored the program prompt information that this service logical channels sends.
Whether the current renewal sequence number that step 106, terminal judges demultiplexing obtain is identical with the renewal sequence number that has write down, if identical, then demultiplexing program prompt information no longer directly finishes current handling process; Otherwise, execution in step 107.
Here, because the general program prompt information that sends same business channels of same service logical channels so the renewal sequence number that compares in the step 106 should be the renewal sequence number that same service logical channels is sent, otherwise does not have comparativity.
Step 107, the program prompt information that the terminal demultiplexing obtains, and the full content of the program prompt information that obtains of record demultiplexing are comprising current renewal sequence number.
By above analysis as can be known, can write down the full content of this program prompt information during program prompt information that certain service logical channels that terminal is received for the first time at demultiplexing is sent, afterwards, terminal program prompt information that this service logical channels of receiving is later on sent is done following processing:
1, more under the news, terminal does not only need demultiplexing to take figure place renewal sequence number seldom to the program prompt information of receiving afterwards, just can know and guarantee that the user obtains is up-to-date program prompt information;
2, in case after the program prompt information received upgrade, terminal according to the renewal sequence number of relatively knowing current renewal sequence number and having write down not simultaneously, program prompt information can further upgrade in time.
Therefore, the invention solves the program prompt information that all demultiplexing is complete each time at present and cause the problem of the wasting of resources, and can not guarantee that the user obtains the problem of tip message of latest program in real time.
For realizing the above-mentioned method of obtaining tip message of latest program, the present invention also provides a kind of system that obtains tip message of latest program, as shown in Figure 4, this system comprises: program prompt information acquisition module 10, program prompt information judge module 20 upgrades sequence number demultiplexing module 30, upgrades sequence number judge module 40, program prompt information demultiplexing module 50 and program prompt information logging modle 60; Wherein,
Program prompt information acquisition module 10 is used to obtain the program prompt information that upgrades sequence number that comprises that service logical channels sends;
Program prompt information judge module 20 is used to judge whether obtain for the first time the program prompt information that this service logical channels is sent;
Upgrade sequence number demultiplexing module 30, be used for learning when obtaining the program prompt information that this service logical channels sends the non-first time renewal sequence number in the program prompt information that demultiplexing obtains when program prompt information judge module 20;
Whether upgrade sequence number judge module 40, it is identical to be used to the renewal sequence number sent before judging demultiplexing current renewal sequence number that obtains and the same service logical channels that has write down;
Program prompt information demultiplexing module 50 is used for learning when obtaining for the first time the program prompt information that this service logical channels sends the program prompt information that demultiplexing obtains when program prompt information judge module 20; Perhaps, be used for when renewal sequence number judge module 40 learns that current renewal sequence number is different from the renewal sequence number that has write down the program prompt information that demultiplexing obtains;
Program prompt information logging modle 60 is used to write down the content of the program prompt information that demultiplexing obtains.
Wherein, program prompt information acquisition module 10, program prompt information judge module 20 upgrades sequence number demultiplexing module 30, upgrades the end side that sequence number judge module 40, program prompt information demultiplexing module 50 and program prompt information logging modle 60 all are positioned at mobile multimedia broadcast system.
This system comprises that further upgrading sequence number adds module 80 and program prompt information sending module 90; Wherein,
Upgrade sequence number and add module 80, be used for adding the renewal sequence number at program prompt information;
Program prompt information sending module 90 is used for that this is comprised the program prompt information that upgrades sequence number and is encapsulated in multiplexed frame and sends to by service logical channels and upgrade the sequence number demultiplexing module.
Wherein, upgrade the front that sequence number interpolation module 80 and program prompt information sending module 90 are positioned at mobile multimedia broadcast system.
Wherein, described system further comprises renewal sequence number value module 70, is used for upgrading sequence number interpolation module 80 before program prompt information adds the renewal sequence number, according to the value of upgrading sequence number along with the renewal change of program prompt information.Described renewal sequence number value module 70 is positioned at the front of mobile multimedia broadcast system.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.

Claims (10)

1. a method of obtaining tip message of latest program is characterized in that, this method comprises:
The terminal to acquire service logic channel is sent comprises the program prompt information that upgrades sequence number, and judge whether to obtain for the first time the program prompt information that this service logical channels is sent, if, the program prompt information that obtains of demultiplexing then, and the content of the program prompt information that obtains of record demultiplexing, finish current handling process afterwards; Otherwise, the renewal sequence number in the program prompt information that demultiplexing obtains;
Whether the current renewal sequence number that the terminal judges demultiplexing obtains is identical with the renewal sequence number that the same service logical channels that has write down is sent before, if identical, then finishes current handling process; Otherwise, the program prompt information that demultiplexing obtains, and the content of the program prompt information that obtains of record demultiplexing.
2. the method for obtaining tip message of latest program according to claim 1, it is characterized in that, in comprising before the program prompt information that upgrades sequence number that the terminal to acquire service logic channel is sent, described method further comprises: front end adds in program prompt information and upgrades sequence number, and will comprise the program prompt information that upgrades sequence number and be encapsulated in the multiplexed frame and send to terminal by service logical channels.
3. the method for obtaining tip message of latest program according to claim 2 is characterized in that, adds in program prompt information and upgrades before the sequence number, and described method further comprises: the renewal according to program prompt information changes the value of upgrading sequence number.
4. the method for obtaining tip message of latest program according to claim 3 is characterized in that, described renewal according to program prompt information changes the value of upgrading sequence number and is specially: the every renewal of program prompt information once adds 1 or subtract 1 with the value of upgrading sequence number.
5. according to each described method of obtaining tip message of latest program in the claim 1 to 4, it is characterized in that described renewal sequence number takies 1 to 6 bit that keeps the territory in the program prompt information.
6. system that obtains tip message of latest program, it is characterized in that, this system comprises the program prompt information acquisition module, the program prompt information judge module upgrades the sequence number demultiplexing module, upgrades sequence number judge module, program prompt information demultiplexing module and program prompt information logging modle; Wherein,
The program prompt information acquisition module is used to obtain the program prompt information that upgrades sequence number that comprises that service logical channels sends;
The program prompt information judge module is used to judge whether obtain for the first time the program prompt information that described service logical channels is sent;
Upgrade the sequence number demultiplexing module, be used for learning when obtaining the program prompt information that described service logical channels sends the non-first time renewal sequence number in the program prompt information that demultiplexing obtains when the program prompt information judge module;
Whether upgrade the sequence number judge module, it is identical to be used to the renewal sequence number sent before judging demultiplexing current renewal sequence number that obtains and the same service logical channels that has write down;
The program prompt information demultiplexing module is used for learning when obtaining for the first time the program prompt information that described service logical channels sends the program prompt information that demultiplexing obtains when the program prompt information judge module; Perhaps, be used for when renewal sequence number judge module learns that current renewal sequence number is different from the renewal sequence number that has write down the program prompt information that demultiplexing obtains;
The program prompt information logging modle is used to write down the content of the program prompt information that demultiplexing obtains.
7. the system that obtains tip message of latest program according to claim 6, it is characterized in that, described program prompt information acquisition module, the program prompt information judge module upgrades sequence number demultiplexing module, renewal sequence number judge module, program prompt information demultiplexing module and program prompt information logging modle and is positioned at end side.
8. according to claim 6 or the 7 described systems that obtain tip message of latest program, it is characterized in that described system comprises that further upgrading sequence number adds module and program prompt information sending module; Wherein,
Upgrade sequence number and add module, be used for adding the renewal sequence number at program prompt information;
The program prompt information sending module is used for being encapsulated in multiplexed frame and sending to by service logical channels and upgrade the sequence number demultiplexing module comprising the program prompt information that upgrades sequence number.
9. the system that obtains tip message of latest program according to claim 8, it is characterized in that, described system further comprises renewal sequence number value module, be used for upgrading the value of sequence number according to the renewal change of program prompt information upgrading sequence number interpolation module before program prompt information adds the renewal sequence number.
10. the system that obtains tip message of latest program according to claim 9 is characterized in that, described renewal sequence number is added module, program prompt information sending module and renewal sequence number value module and is positioned at front.
CN2009100819163A 2009-04-08 2009-04-08 Method and system for acquiring tip message of latest program Expired - Fee Related CN101860736B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105512294A (en) * 2015-12-10 2016-04-20 网易(杭州)网络有限公司 Multi-media file update prompting method and device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100589577C (en) * 2006-12-27 2010-02-10 中兴通讯股份有限公司 Electronic service guide transmission method for mobile multimedia broadcast
CN100472993C (en) * 2007-03-21 2009-03-25 中兴通讯股份有限公司 Mobile multimedia terminal and updating method for ESG fundamental descriptive list by the same terminal
CN101087389A (en) * 2007-06-12 2007-12-12 中兴通讯股份有限公司 A transmission and implementation method of prompt message of mobile multi-media broadcast program
CN101110962A (en) * 2007-08-30 2008-01-23 中兴通讯股份有限公司 Updating detecting method for mobile multimedia broadcast electric service instruction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105512294A (en) * 2015-12-10 2016-04-20 网易(杭州)网络有限公司 Multi-media file update prompting method and device
CN105512294B (en) * 2015-12-10 2020-03-24 网易(杭州)网络有限公司 Multimedia file update prompting method and device

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Application publication date: 20101013

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