CN101022602A

Movatterモバイル変換

Info

Publication number: CN101022602A
Application number: CNA2007100882401A
Authority: CN
Inventors: 朱晓光; 王标; 江华; 方源立
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2007-03-20
Filing date: 2007-03-20
Publication date: 2007-08-22
Anticipated expiration: 2027-03-20
Also published as: CN101022602B

Abstract

A method of utilizing mobile multimedia terminal to update information table of network includes receiving multiplex frame of load-carry control information by said terminal, obtaining update service number of the first network information table by analyzing head information of multiplex frame and obtaining update serial number of the second said table by analyzing network information table in net load of multiplex frame, comparing two said update serial numbers and updating information of network information table on said terminal if two said update serial numbers are not the same.

Description

A kind of mobile multi-media terminal and this terminal are to the update method of network information table

Technical field

The present invention relates to the digital mobile communication field, relate in particular to the update method of a kind of mobile multi-media broadcast terminal network information table in the bear control information multiplexed frame.

Background technology

In recent years, digital mobile multimedia broadcasting technology and standard evolution are rapid, Ou Zhou DVB-H (Digital Video Broadcast Handheld for example, the digital video broadcast-handheld formula receives), the MediaFLO of the U.S. (Media Forward Link Only, the single forward link of medium) and China CMMB (China Mobile Multimedia Broadcasting, Mobile Multimedia Broadcasting) etc., for its terminal use provides many service content, as advertisement, weather forecast, news, sports cast, variety, the multimedia broadcasting play, programs such as film, the user can select the service program of Mobile Multimedia Broadcasting according to the hobby of oneself.

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 transmit the data of a multiplexed frame encapsulation.In the multiplexed frame structure of Mobile Multimedia Broadcasting, multiplexed frame is divided into multiplex frame head, multiplexed frame payload and fills three parts, mobile multimedia broadcast system phase related control information table is encapsulated in the multiplexed frame payload of bear control information as multiplexed sub frame, and each control information table change indication information is encapsulated in each multiplex frame head, the change of the renewal sequence number prior notice terminal control information table that comprises in the multiplex frame head, but at this moment concrete table content still is old in the multiplexed frame payload, and the renewal sequence number in the table does not become yet.

Network information table is one of Mobile Multimedia Broadcasting control information table, the corresponding network configuration information of Mobile Multimedia Broadcasting is provided, it upgrades sequence number except multiplex frame head, also be contained in the network information table of multiplexed frame payload encapsulation, need provide a kind of in the bear control information multiplexed frame about the processing method of update sequence number of network information list, make the terminal network information table content that upgrades in time.

Summary of the invention

The technical problem to be solved in the present invention provides the update method of a kind of mobile multi-media terminal to network information table in the bear control information multiplexed frame, not only can make the terminal network information table information that upgrades in time, and saves the power consumption of terminal.

In order to solve the problems of the technologies described above, the invention provides the update method of a kind of mobile multi-media terminal to network information table in the bear control information multiplexed frame, described mobile multi-media terminal receives the bear control information multiplexed frame, resolve multiplex frame head information and obtain first update sequence number of network information list, network information table obtains second update sequence number of network information list in the parsing multiplexed frame payload, if judge that above-mentioned two renewal sequence numbers are inequality, then upgrade the network information table information on the described terminal.

Further, said method also can have following characteristics: if judge that above-mentioned two renewal sequence numbers are identical, then described terminal does not deal with this renewal sequence number.

Further, said method also can have following characteristics: the network information table information on the described more new terminal is meant, resolve the control information table updating sequence number lead indication field in the described multiplex frame head, receive follow-up bear control information multiplexed frame according to this field value, preserve the network information table information after wherein upgrading.

Further, said method also can have following characteristics: described control information table updating sequence number lead dial gauge is given instructions in reply with upgrading time that change shifted to an earlier date or the frame number of the change of sequence number than network information table in the multiplexed frame payload in the frame head.

Further, said method also can have following characteristics: described network information table provides the corresponding network configuration information of Mobile Multimedia Broadcasting, comprises one or more of following information: system time, network-level, the adjacent area network information.

Another technical problem that the present invention will solve provides a kind of mobile multi-media terminal, its network information table information that not only can upgrade in time, and save power consumption.

In order to solve the problems of the technologies described above, the invention provides a kind of mobile multi-media terminal, it is characterized in that, comprise parsing module, comparison module and update module, wherein:

Described parsing module is used to receive multiplexed frame, and parses first, second update sequence number of network information list respectively from frame head and payload, and sends to described comparison module;

Described comparison module is used to judge whether described first, second update sequence number of network information list is identical, if different, then starts described update module;

Described update module is used for the network information table information on the new terminal more.

Further, above-mentioned terminal also can have following characteristics: the described update module more network information table information on the new terminal is meant, resolve the control information table updating sequence number lead indication field in the described multiplex frame head, receive follow-up bear control information multiplexed frame according to this field value, preserve the network information table information after wherein upgrading.

Further, above-mentioned terminal also can have following characteristics: described control information table updating sequence number lead dial gauge is given instructions in reply with upgrading time that change shifted to an earlier date or the frame number of the change of sequence number than network information table in the multiplexed frame payload in the frame head.

Adopt method provided by the invention, make the mobile multi-media broadcast terminal network information table information that upgrades in time, when terminal detects that two update sequence number of network information list do not wait in the bear control information multiplexed frame, in time upgrade the multiplexed frame that indication receives bear control information again by the phase related control information table in the multiplex frame head, upgrade and buffer memory network information table information, make terminal needn't be at every turn receiving control informations all, and then the saving power consumption of terminal, guarantee the consistency of update sequence number of network information list in multiplex frame head and the terminal simultaneously.

Description of drawings

Fig. 1 is the process chart of present embodiment mobile multi-media broadcast terminal to update sequence number of network information list in the bear control information multiplexed frame.

Embodiment

Below in conjunction with the drawings and specific embodiments the present invention is elaborated.

Two place's update sequence number of network information list are arranged in the bear control information multiplexed frame, one is in multiplex frame head, one is in the network information table of multiplexed frame payload encapsulation, if network information table upgrades, corresponding renewal sequence number will prompt terminal in the multiplex frame head, but because specifically show content in the multiplexed frame payload this moment still is old, after the time, the content after upgrading could be given, therefore terminal needs earlier two renewal sequence numbers to be judged that comparison is to determine whether network information table upgrades, as shown in Figure 1, mobile multi-media broadcast terminal may further comprise the steps the update method of network information table in the bear control information multiplexed frame:

Step 110, mobile multi-media terminal receives the bear control information multiplexed frame, resolves multiplex frame head information and obtains " update sequence number of network information list " field, and network information table obtains " update sequence number of network information list " field in the table in the parsing multiplexed frame payload;

Whetherstep 120 is relatively resolved two " update sequence number of network information list " obtaining and is equated, if, the not change of expression network information table, terminal is no longer handled this field, otherwise, carry out next step;

Step 130 is resolved " indication of the control information table updating sequence number lead " field in the multiplex frame head, receives the bear control information multiplexed frame according to this field value in the follow-up broadcast channel frame of appointment;

Upgrade time that change shifted to an earlier date or the frame number of the change of sequence number in described " indication of control information table updating sequence number lead " field notice terminal multiplexing frame head, wait for the network information table that just can directly receive behind this section period or the frame number after the renewal according to this information terminal so than network information table in the multiplexed frame payload.

Step 140 is upgraded and preservation network information table information.

Can cover original content with new network information table, perhaps delete original content, increase new network information table again.

This network information table provides the corresponding network configuration information of Mobile Multimedia Broadcasting, comprises one or more of following information: system time, network-level, the adjacent area network information.

The receiving terminal of the described Mobile Multimedia Broadcasting of present embodiment, promptly mobile multi-media terminal comprises parsing module, comparison module and update module, wherein:

Described comparison module is used to judge whether described first, second update sequence number of network information list is identical, if different, then starts update module;

Update module is resolved the control information table updating sequence number lead indication field in the described multiplex frame head, receives bear control information multiplexed frame, more the network information table information on the new terminal according to this field value.

Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art are when making various corresponding changes and distortion according to the present invention; renewal sequence number as described herein is not as a limitation of the invention; other updating mark information that play the identification renewal effect all can realize, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims

1, a kind of mobile multi-media terminal is to the update method of network information table in the bear control information multiplexed frame, described mobile multi-media terminal receives the bear control information multiplexed frame, resolve multiplex frame head information and obtain first update sequence number of network information list, network information table obtains second update sequence number of network information list in the parsing multiplexed frame payload, if judge that above-mentioned two renewal sequence numbers are inequality, then upgrade the network information table information on the described terminal.

2, the method for claim 1 is characterized in that, if judge that above-mentioned two renewal sequence numbers are identical, then described terminal does not deal with this renewal sequence number.

3, the method for claim 1, it is characterized in that, network information table information on the described more new terminal is meant, resolve the control information table updating sequence number lead indication field in the described multiplex frame head, receive follow-up bear control information multiplexed frame according to this field value, preserve the network information table information after wherein upgrading.

4, method as claimed in claim 3 is characterized in that, described control information table updating sequence number lead dial gauge is given instructions in reply with upgrading time that change shifted to an earlier date or the frame number of the change of sequence number than network information table in the multiplexed frame payload in the frame head.

5, the method for claim 1 is characterized in that, described network information table provides the corresponding network configuration information of Mobile Multimedia Broadcasting, comprises one or more of following information: system time, network-level, the adjacent area network information.

6, a kind of mobile multi-media terminal is characterized in that, comprises parsing module, comparison module and update module, wherein:

7, terminal as claimed in claim 6, it is characterized in that, the described update module more network information table information on the new terminal is meant, resolve the control information table updating sequence number lead indication field in the described multiplex frame head, receive follow-up bear control information multiplexed frame according to this field value, preserve the network information table information after wherein upgrading.

8, terminal as claimed in claim 7 is characterized in that, described control information table updating sequence number lead dial gauge is given instructions in reply with upgrading time that change shifted to an earlier date or the frame number of the change of sequence number than network information table in the multiplexed frame payload in the frame head.