CN101663889B - Transmitting and receiving method and apparatus for digital television broadcasting data - Google Patents
Transmitting and receiving method and apparatus for digital television broadcasting data Download PDFInfo
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- CN101663889B CN101663889B CN2008800090104A CN200880009010A CN101663889B CN 101663889 B CN101663889 B CN 101663889B CN 2008800090104 A CN2008800090104 A CN 2008800090104A CN 200880009010 A CN200880009010 A CN 200880009010A CN 101663889 B CN101663889 B CN 101663889B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/081—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/42—Arrangements for resource management
- H04H20/426—Receiver side
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2668—Creating a channel for a dedicated end-user group, e.g. insertion of targeted commercials based on end-user profiles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Software Systems (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Provided are an apparatus and method for reducing power consumption by selectively turning off frame receiving while undesired service is transmitted. The method includes generating a service frame group including all service frames and designating the frame number for service frames so that a radio frequency (RF) receiving unit operates while receiving the service frames corresponding to a desired service and the power of the RF receiving unit is turned off while the service frames corresponding to an undesired service are transmitted, thereby saving power. In addition, the power of the RF device is continuously turned off during various frames so that the RF device can rest for a longer period of time and thus power saving efficiency is excellent.
Description
The application requires to be submitted on March 19th, 2007 the 60/907th of United States Patent and Trademark Office, No. 064 U.S. Provisional Patent Application and the priority that was submitted to the 10-2007-0051586 korean patent application of Korea S Department of Intellectual Property on May 28th, 2007, described disclosing all is contained in this for reference.
Technical field
The equipment consistent with the present invention and method relate to a kind of digital television broadcasting, more particularly, relate to a kind of by when the service of not expecting is sent out optionally the closure frame receiving equipment reduce the digital television broadcasting of energy consumption.
Background technology
According to old pattern, watch television broadcasting from fixing position.Yet this pattern changes, that is, user anywhere random time watches television broadcasting.Watch the change of the mode of television broadcasting in order to adapt to spectators, standard and the terminal that is suitable for mobile environment attempted to make by businessman and manufacturer.
Should design described standard and terminal by considering specific mobile environment.That is to say, portable terminal is by using limited battery resource to provide service to the user.Therefore, when providing service according to rule, should provide service for the battery resource with minimum with described standard and Terminal Design.
Summary of the invention
Technical problem
In order to reduce the energy consumption of terminal, need to when being transmitted, the unselected service of user close the technology of the electric power of radio frequency (RF) device.
Technical scheme
The invention provides a kind of computer readable recording medium storing program for performing that is used for carrying out the computer program of the method that sends digital television broadcasting data for the method and apparatus by sending digital television broadcasting data and a kind of record thereon, described method and apparatus when the service that the user does not expect is sent out optionally the closure frame receiving equipment reduce energy consumption.
The present invention also provides a kind of computer readable recording medium storing program for performing of computer program of the method that is used for carrying out receiving digital television broadcast for the method and apparatus by receiving digital broadcast data and a kind of record thereon, described method and apparatus when the service that the user does not expect is sent out optionally the closure frame receiving equipment reduce energy consumption.
Beneficial effect
Be used for according to an exemplary embodiment of the present invention sending the method and apparatus of digital television broadcasting data and the method and apparatus that is used for the receiving digital television broadcast data, generation comprises the service frame group of all service frame and specifies the frame label that is used for each service frame, thereby receive with the corresponding service frame of the service of expecting in radio frequency (RF) receiving element operation, the electric power of RF receiving element is closed when being sent out with the corresponding service frame of the service of not expecting, thereby saves electric power.In addition, in a plurality of image durations, the electric power of RF device is by continuous closing, but so that RF device rest long period of time, remarkable thereby electric power is saved efficient.Therefore, terminal can operate long period of time.
Description of drawings
The detailed description to exemplary embodiment of carrying out in conjunction with the drawings, above and other of the present invention partly will become apparent, wherein:
Fig. 1 is the diagram of Advanced Television Systems Committee (ATSC) channel system of prior art;
Fig. 2 is the block diagram of improved according to an exemplary embodiment of the present invention ATSC channel system;
Fig. 3 is the diagram of service frame group according to an exemplary embodiment of the present invention;
Fig. 4 is the block diagram that sends according to an exemplary embodiment of the present invention the equipment of digital television broadcasting data;
Fig. 5 is the block diagram of the equipment of receiving digital television broadcast data according to an exemplary embodiment of the present invention;
Fig. 6 is the block diagram of equipment of the transmission digital television broadcasting data of another exemplary embodiment according to the present invention;
Fig. 7 is the block diagram of equipment of the receiving digital television broadcast data of another exemplary embodiment according to the present invention;
Fig. 8 is the flow chart of method of the receiving digital television broadcast data of another exemplary embodiment according to the present invention;
Fig. 9 is the diagram of the protocol stack of senior residual sideband (A-VSB) system;
Figure 10 illustrates the example that the method that will send according to an exemplary embodiment of the present invention data is applied to the A-VSB system of Fig. 9;
Figure 11 is the diagram of the form of SIC according to an exemplary embodiment of the present invention;
Figure 12 illustrates in greater detail the according to an exemplary embodiment of the present invention form of the SIC of Figure 11;
Figure 13 illustrates the according to an exemplary embodiment of the present invention content of frame_group_information;
Figure 14 illustrates according to an exemplary embodiment of the present invention version_indicator_information;
Figure 15 illustrates according to an exemplary embodiment of the present invention additional_service_information; And
Figure 16 illustrates according to an exemplary embodiment of the present invention turbo_channel_information.
Optimal mode
According to an aspect of the present invention, a kind of method that sends digital television broadcasting data is provided, described method comprises: to being included in each service generation in the channel or distributing at least one service frame, at least one service frame designated frame label described generation or that distribute; Generation comprises all service frame groups of the service frame of designated frame label, and sends the service frame group.
In the step of designated frame label, can be to first service frame designated frame label 1 in the service frame group, and for next service frame the frame label is increased by 1.
The step that produces the service frame group can comprise: the service frame group is produced service configuration information, described service configuration information is added at least one service frame generation or that distribute, and wherein said service configuration information indicates which service of each service frame and channel corresponding.
According to a further aspect of the invention, provide a kind of equipment that sends digital television broadcasting data, described equipment comprises: the service frame generation unit, to being included in each service generation in the channel or distributing at least one service frame; Frame label determining unit is at least one service frame designated frame label described generation or that distribute; Service frame group generation unit, generation comprises all service frame groups of the service frame of designated frame label, and transmitting element, sends the service frame group.
According to a further aspect of the invention, a kind of method of receiving digital television broadcast data is provided, described method comprises: the service configuration information of Analysis Service frame group, frame label based on corresponding at least one service frame of the definite service with expecting of the service configuration information of analyzing, receive at least one service frame with described definite frame label in the service frame from be included in the service frame group, and the electric power of when the service frame that does not have described definite frame label is sent out, closing radio frequency (RF) device that receives service frame.
In the frame label of service frame, can be to first service frame designated frame label 1 in the service frame group, and for next service frame the frame label is increased by 1.
Described service configuration information can indicate which service of each service frame and channel corresponding.
The step of closing the electric power of RF device can comprise: determine in the service frame from be included in the service frame group and the service of the expectation quantity of corresponding service frame not, multiply each other to determine to close the time of the electric power of RF device by the quantity with the length of single service frame and the service frame of determining, and from the corresponding service frame of service of expectation receive last service frame and close the electric power of RF device at described definite time durations.
According to a further aspect in the invention, a kind of equipment of receiving digital television broadcast data is provided, described equipment comprises: service configuration information interpretation unit, analysis is used for the service configuration information of service frame group, based on the frame label of corresponding at least one service frame of the definite service with expecting of the service configuration information of analyzing; Radio frequency (RF) receiving element, receive the service frame with described definite frame label in the service frame from be included in the service frame group, and the RF power control unit, when being sent out, the service frame that does not have described definite frame label closes the electric power of RF receiving element.
Described RF power control unit can comprise: the shut-in time determining unit, determine in the service frame from be included in the service frame group and the service of the expectation quantity of corresponding service frame not, multiply each other to determine to close the time of the electric power of RF receiving element by the quantity with the length of single service frame and described service frame; And the shut-in time timer unit, from the corresponding service frame of service of expectation receive last service frame and close the electric power of RF receiving element at described definite time durations.
Embodiment
Below, with reference to the accompanying drawing that exemplary embodiment of the present invention is shown the present invention is described more fully.
Fig. 1 is the diagram of Advanced Television Systems Committee (ATSC) channel system of prior art.ATSC is will be as advanced television (ATV) method of the terrestrial television of future generation of the U.S. and the committee that sets up in order to develop.The ATSC channel system is the technical standard of the digital terrestrial television method of future generation of the U.S..
With reference to Fig. 1, channel 1 (CH1,10) and channel 2 (CH2,12) replace in frame 14.That is to say, the data of these channels are launched in radio frequency (RF) frame.The electric power of the RF device that therefore, can't optionally control for the special services that is provided by channel.
Fig. 2 is the block diagram of improved according to an exemplary embodiment of the present invention ATSC channel system.
With reference to Fig. 2, in system according to an exemplary embodiment of the present invention, channel 1 (CH1,20 and 24) and channel 2 (CH2,22) are divided into each frame that will be sent out.Among Fig. 2, by come transmitting channel 1 (CH1,20 and 24) with frame 30 and 34, by come transmitting channel 2 (CH2,22) with frame 32.Therefore, if corresponding with channel 1 from the service of the expectation of receiving equipment, received frame 32 (with channel 2 corresponding frames) not then, thus can reduce the energy consumption of RF device.
Fig. 3 is the diagram of service frame group according to an exemplary embodiment of the present invention.
In current exemplary embodiment, can reduce with such service frame group the energy consumption of receiving equipment.
Among Fig. 3, comprise three services (service 1 is to service 3) in the channel.
In the method that sends according to an exemplary embodiment of the present invention digital television broadcasting data, produce the service frame group 50 that comprises the service that all will be sent out.Each service is corresponding with at least one RF frame 54.Serve corresponding RF frame with each and be known as service frame.
Among Fig. 3, as shown in service configuration 52, service is 1 corresponding with service frame 1 to 4, serves 2 correspondingly with service frame 5 to 8, and serves 3 corresponding to 12 with service frame 9.
Fig. 3 illustrates from receiving terminal and receives service 1.
According to the receiving equipment operation cycle 60, receiving equipment can receive and serve 1 corresponding service frame 1 to 4.Therefore, when service frame 5 to 12 sends, close receiving equipment.In this exemplary embodiment, close the RF device that is included in the receiving equipment.
After sending service frame 1 to 12, send next service frame group.When transmission is included in service frame 1 in the new service frame group, electric power is offered the RF device of receiving equipment, thereby can receive service frame.Therefore, thus the shut-in time that pre-determines the RF device during the shut-in time of determining, close the electric power of RF device.
In order to pre-determine the time of closing the RF device, service configuration information is produced and is sent to receiving equipment from dispensing device.The service that the indication of service configuration information provides and the corresponding information between the service frame.In other words, it is corresponding that service configuration information is indicated which service of each service frame and channel.Use service configuration information, receiving terminal knows that service 1 and service frame 1 in all service frame are corresponding to 4.Because all service frame comprise service frame 1 to 12, so service frame 5 to 12 is corresponding with the time of closing the RF device.Therefore, can determine to close by the equation 1 shown in following the time of RF device.According to circumstances, the shut-in time can reduce α.That is to say, if when thereby there is error in the clock inaccuracy that need to receive time of RF stream or terminal when the RF device, may be early than the operation of predetermined shut-in time.Such time is called α.
[equation 1]
The RF device the shut-in time=length-α of (be included in the quantity of all service frame in the service frame group-with the quantity of the corresponding service frame of service of expectation) single frame of *
Fig. 4 is the block diagram that sends according to an exemplary embodiment of the present invention the equipment of digital television broadcasting data.
With reference to Fig. 4, the equipment 400 that sends digital television broadcasting data comprises service frame generation unit 410, frame label determining unit 420, service frame group generation unit 430 and transmitting element 450.
Each service that 410 pairs of service frame generation units are included in the channel produces at least one service frame.
The service frame of 420 pairs of generations of frame label determining unit is determined the frame label.
Service frame group generation unit 430 produces the service frame group that comprises all service frame that produced by service frame generation unit 410.Service frame group generation unit 430 can comprise that also generation will be added to the service configuration information generation unit 440 of the service configuration information on each service frame.Each service frame that the indication of service configuration information is included in the service frame group is corresponding with which service in the channel.
Transmitting element 450 sends the service frame group.
As example, first service frame in 420 pairs of service frame groups of frame label determining unit is determined frame label 1, and by frame label increase by 1 being determined the label of next service frame.
Fig. 5 is the block diagram of the equipment of receiving digital television broadcast data according to an exemplary embodiment of the present invention.
With reference to Fig. 5, the equipment 500 of receiving digital television broadcast data comprises service configuration information interpretation unit 510, RF receiving element 520 and RF power control unit 530.
Service configuration information interpretation unit 510 explains that the service configuration information that is used for the service frame group also obtains and the frame label of corresponding at least one service frame of service of expectation.
RF receiving element 520 receives has the service frame with frame label that service configuration information interpretation unit 510 obtains, and described service frame is included in the service frame in the service frame group.
When the service frame of the frame label that does not have 510 acquisitions of service configuration information interpretation unit was sent out, RF power control unit 530 was closed the electric power of RF receiving element 520.Therefore, do not receive and the corresponding service frame of the service of not expecting, can reduce the power consumption of RF receiving element 520.
Among Fig. 5, RF power control unit 530 comprises shut-in time computing unit 540 and shut-in time timer units 550.
The service that obtains in the service frame that shut-in time computing unit 540 obtains from be included in the service frame group and wish is the quantity of corresponding service frame not, the length of single frame and the quantity of described service frame are multiplied each other, and the time of calculating the electric power of closing RF receiving element 520.The above-mentioned time is identical with the time of closing the RF device that equation 1 provides.
Shut-in time timer units 550 receives from service frame and the corresponding last service frame of the service of expectation, and closes the electric power of RF receiving element 520 at the time durations of closing the RF device of being determined by shut-in time computing unit 540.Therefore, received with corresponding all service frame of the service of expectation after, close the electric power of RF receiving element 520, through the time that obtains according to equation 1, and then open the electric power of RF receiving element 520, thereby receive the corresponding service frame of service with expectation.
Fig. 6 is the block diagram of equipment of the transmission digital television broadcasting data of another exemplary embodiment according to the present invention.
With reference to Fig. 6, the equipment that sends digital television broadcasting data comprises Service Part 100-1 and 100-2, packing device 110-1 and 110-2, multiplexer 120-1 and 120-2, frame generator 130, reflector 140 and frame burst information inserter 150.
Service Part 100-1 produces the Basic Flow (ES) that forms each service.For example, if service is the A/V service, then parts and acoustic component/video components are corresponding.
Packing device 110-1 forms bag with each ES.For example, ES is formed transport stream (TS) bag.
Multiplexer 120-1 carries out multiplexing to each bag.In the situation that TS is fabricated to a TS with each bag.
The frame that reflector 140 uses the RF emission to produce.
Frame burst information inserter 150 will be inserted into bag for the information of frame burst.For example, the information for the frame burst is the information that comprises the frame label information and be used for the form of frame burst.
Fig. 7 is the block diagram of equipment of the receiving digital television broadcast data of another exemplary embodiment according to the present invention.
With reference to Fig. 7, the equipment of receiving digital television broadcast data comprises that RF receiving equipment 200, frame skip device 210, demodulation multiplexer 220, bale breaker 230, service processor 240, system information processor 250 and control device 260.
Frame is skipped device 210 and is skipped and the corresponding frame of the unselected service of user.
The data of demodulation multiplexer 220 received frames also are divided into each packet flow with data.
Thereby control device 260 received frame burst information skipped frame or control RF device were not operated in a period of time of determining.
Fig. 8 is the flow chart of method of the receiving digital television broadcast data of another exemplary embodiment according to the present invention.
Among Fig. 8, the not shown processing of being carried out by the RF terminal.But the processing that receives the RF frame and the receiving equipment that produces available bag data are shown.
At first, receive data among the operation S100 determines whether comprise service configuration information in the described data among the operation S110.The service configuration information that if there is no receives and the data of reception are not service configuration information, and then receive data is until receive service configuration information.
If comprise service configuration information in the data that receive, then in operation S120, determine whether be updated compared to the described information of service configuration information that exists.If service configuration information is updated, thereby then only reflect the information that needs at operation S130 Analysis Service configuration information.
Be identified as service frame and definite frame label among the operation S140, determine among the operation S150 whether service frame is corresponding with the service of expectation.
If service frame comprises the service of expectation, then in operation S160, export service data.Among the operation S170, whether the service of determining is finished order and is existed, and repeats above-mentioned processing until determine presence service and finishes order.
If service frame does not comprise the service of expectation, then skip service frame at operation S180, and at specific a period of time inoperation RF device.
In order to finish aforesaid operations, S190 closes the electric power of RF device and timer is set in operation.The time of set timer is the shut-in time according to equation 1.
Whether the identification timer arrives the time of setting among the operation S200.If the time that timer also not arrive arranges, then in operation S210 the permission time in the past until arrive the time that arranges.
Arrive the time that arranges when timer, open the electric power of RF device and repeat above-mentioned processing.
Fig. 9 is the diagram of the protocol stack of senior residual sideband (A-VSB) system.The A-VSB system supports auxiliary reference system (SRS) and turbo to use.SRS 300 comprises and sends the training sequence of the receptivity of the increased terminal that is called equalizer 302.
Turbo uses 310 the channel that can send additional data is provided.
The special data area storage Turbo of the adaptation field (AF) 325 in ATSC standard TS 320 uses 310 data.Use 310 information (shown in arrow 340) about SRS300 and turbo by pattern information 332 transmissions among synchronous (DFS) 330 of data field.Send two DFS 330 of existence in the frame at ATSC.Pattern information is known as the information that sends by DFS 330.
The part that sends the turbo application is divided into signaling information channel (SIC) 312 and data channel 314.Each data channel 314 is divided into subchannel.Provide information about subchannel by SIC 312.
Figure 10 illustrates the example that the method that will send according to an exemplary embodiment of the present invention data is applied to the A-VSB system of Fig. 9.
With reference to Figure 10, each A-VSB frame 70 is corresponding with service frame, SIC and service configuration information and corresponding with the frame of the corresponding burst of service.
With reference to the example of Figure 10, the content 80 of signaling information channel (SIC) will be described now.
The frame label of respective frame is 25.By indicate the quantity of all frames with the frame label of the last frame in the service frame group, the quantity of described all frames is 42.
Channel comprises two services.Service has 1/2 encoding rate.Here, the numbering of start frame is 1, and the length of all frames is 21.Therefore, service frame and the first service of frame label 1 to 21 are corresponding.
Other services have 1/4 encoding rate.Here, the label of start frame is 22, and the length of all frames is 21.Therefore, service frame and the second service of frame label 22 to 42 are corresponding.
Figure 11 is the diagram of the form of SIC according to an exemplary embodiment of the present invention.
With reference to Figure 11, SIC comprises sign and the cyclic redundancy check (CRC) (CRC) that version pointer information, frame group information, turbo channel information, additional service information, filling, the above-mentioned information of indication exist according to an exemplary embodiment of the present invention.
Figure 12 illustrates in greater detail the form of Figure 11.
ServiceConfigurationInformaiont (SCI) is the minimum unit that is included among the SIC.Only comprise a SCI among the SIC in frame.
During each sign arranges, there are turbo_channel_information_flag, additional_service_information_flag and padding_flad_flag.
There is turbo_channel_information () in the turbo_channel_information_flag indication.
There is additional_service_information () in the additional_service_information_flag indication.
There is the fill area in the padding_flag indication.
With reference to Figure 13 Frame_group_information is described more fully after a while.
With reference to Figure 14 version_indicator_information is described more fully after a while.
With reference to Figure 16 Turbo_channel_information () is described more fully after a while.
With reference to Figure 15 AdditionalServiceDescriptor is described more fully after a while.
CRC illustrates the error-detecting method of SCI.
Figure 13 illustrates the content of Frame_group_information.
Current_frame_number indication current service frame label.
The total_frame_number indication is included in the entire quantity of all service frame in the service frame group.
Because A-VSB is single-carrier system, so the basic configuration unit of RF frame as the service of the burst transfer that provides support is provided.Form the RF frame by continuous row.Therefore, can not use the service distribution method in the frame, and the RF frame should be divided into divide into groups.Frame grouping is that the continuous row with the RF frame is divided into the method that can divide into groups.
The example of frame grouping can comprise: start frame sign and end frame sign are made up (method 1), comprise start frame sign and length information (method 2) and designated frame label (method 3).
In the method 1 and 2, when receiving intermediate frame, the frame alignment that can't know reception in all frame groups where.In addition, when the size of frame group is changed, be difficult to detect.Can use the method 3 that does not have the problems referred to above.
The beginning of frame label 1 designated frame group.In addition, when arriving maximum frame label, label reassigned be frame label 1.This is called finish (wrap up).
Can change by the signaling procedure in the system size of frame group and the length of each service frame.If there is the change of the size of frame group, the time point that is repeated of capable of regulating service then.For example, if be 10 in the size of the frame group of the time point in when beginning service, the time point of the first service frame that then begins from any service to the time point of the first service frame of the corresponding service of beginning of next service frame group, need 10 frames.Yet if system information is updated, thereby the size of frame group becomes 20, from the time point of the first service frame of the beginning of corresponding service to the time point of the first service frame of the corresponding service of next received service frame group, need 20 frames.
Similarly, if the variation of the length of presence service frame, the then time point that is repeated of capable of regulating service.The change of the length of service frame can affect the length of service frame group.Yet, according to the method for the length that reduces other service frame, can not change the length of current service frame.
Therefore, can control the part of the electric power of closing the RF device.
Figure 14 illustrates version_indicator_information.
Version_indicator_information comprises the information that whether is updated about service configuration information and indicates and when upgrade with the information that is done.
The unit of resolution_flag indication frame counter.
For example, if the value of resolution_flag is 1, then frame counter is 20 frame units, if the value of resolution_flag is 0, then frame counter is 1 frame unit.
Frame_counter indicates the renewal of 1 frame unit or 20 frame units with the time point that is done.Accurate unit changes according to the value of resolution_flag.
Each when service configuration information is updated with version added value 1.
Figure 15 illustrates additional_service_information.
Additional_service_information is used for sending the additional information on services except the channel descriptor.
Additional_service_information can be divided into various.
Current_index represents the index of the current block of descriptor.
Last_index represents the index of the last piece of descriptor.
Length represents the length of current block.
User_data represents real data of description.
Figure 16 illustrates turbo_channel_information.
Turbo_channel_information represents when the turbo application data being divided into the various configuration informations of each channel during with the channel that is sent out.
Version represents the version of turbo channel information, and the value of version increases progressively by 1.
Turbo_channel_number represents the quantity of whole turbo channels.
Turbo_channel_ID is the information of dividing each turbo channel.
Turbo_fragment_bits is shown index value with the lengths table of turbo channel.
Coding_rates represents the encoding rate of turbo channel.
Whether the SD_VFG_flag notice uses SD_VFG (service in the variable frame group is divided) in the turbo channel.When SD_VFG_flag is set, use SD_VFG.
SD_VFG is to be the frame unit of any amount and the technology that sends data with the turbo channel distribution, that is, the method by the exemplary embodiment of the present suggestion sends data.
Turbo_channel_index represents the order of turbo channel.
Current_frame_number represents the quantity of the start frame of corresponding service.
Frame_block_number represents to form the quantity of the frame of respective service.
As mentioned above, in exemplary embodiment of the present invention, do not consider whether can in frame, form independently service, but the system of electric power of the RF device of On/Off user terminal also can be provided.Therefore, the operation of comparable terminal longer time of the prior art is according to terminal of the present invention.In addition, thereby but close continuously electric power RF device rest long period of time of RF device in a plurality of image durations, so electric power to save efficient remarkable.
Exemplary embodiment of the present also can be implemented as the computer-readable code in the computer readable recording medium storing program for performing.Described computer readable recording medium storing program for performing comprises the arbitrary data storage device that can store by the data of computer system reads.The example of computer readable recording medium storing program for performing comprises read-only memory (ROM), random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage device.
Although show particularly and described the present invention with reference to exemplary embodiment, but it should be understood by one skilled in the art that, in the situation of the spirit and scope of the present invention that not disengaging scope is defined by the claims, can carry out various changes on form and the details to it.
Claims (12)
1. one kind is divided at least one channel and in described at least one channel each is divided into the method that at least one service frame sends broadcast data by the broadcast data that broadcast service will be provided, and described method comprises:
To each generation in described at least one broadcast service or distribute at least one service frame;
Produce service configuration information; And
Send service frame and service configuration information,
Wherein, the service configuration information pointer in described at least one service frame each the indication corresponding to the expectation broadcast service,
Wherein, described at least one service frame is included in the service frame group, and service configuration information comprise about be included in the service frame group with at least one broadcast service in the information of entire quantity of each corresponding service frame.
2. the method for claim 1 also comprises:
Generation comprises a plurality of service frame groups of at least one service frame,
Wherein, in the precalculated position of described a plurality of service frame groups the service frame corresponding with identical service is set.
3. method as claimed in claim 2, wherein, the step that produces the service frame group comprises:
For at least one service frame designated frame label.
4. one kind is divided at least one channel and in described at least one channel each is divided into the equipment that at least one service frame sends broadcast data by the broadcast data that broadcast service will be provided, and described equipment comprises:
The service frame generation unit is to each generation in described at least one broadcast service or distribute at least one service frame;
Service configuration information generation unit produces service configuration information;
Transmitting element sends service frame and service configuration information,
Wherein, the service configuration information pointer in described at least one service frame each the indication corresponding to the expectation broadcast service,
Wherein, described at least one service frame is included in the service frame group, and service configuration information comprise about be included in the service frame group with at least one broadcast service in the information of entire quantity of each corresponding service frame.
5. equipment as claimed in claim 4 also comprises:
The group generation unit produces a plurality of service frame groups that comprise at least one service frame,
Wherein, in the precalculated position of described a plurality of service frame groups the service frame corresponding with identical service is set.
6. equipment as claimed in claim 5 wherein, is organized generation unit at least one service frame designated frame label.
7. method that receives broadcast data wherein, is divided at least one channel and in described at least one channel each is divided at least one service frame by the broadcast data that broadcast service will be provided and send described broadcast data, and described method comprises:
Frame label based on corresponding at least one service frame of the definite broadcast service with expecting of the service configuration information that is used for the service frame group;
Receive service configuration information in the service frame from be included in the service frame group and have at least one service frame of described definite frame label; And
When being sent out, the service frame that does not have described definite frame label closes the electric power of the radio frequency device that receives service frame,
Wherein, described service configuration information pointer in described at least one service frame each the indication corresponding to the expectation broadcast service,
Wherein, described at least one service frame is included in the service frame group, and service configuration information comprise about be included in the service frame group with at least one broadcast service in the information of entire quantity of each corresponding service frame.
8. method as claimed in claim 7 wherein, in the frame label of service frame, to first service frame designated frame label 1 in the service frame group, and increases by 1 for next service frame with the frame label.
9. method as claimed in claim 7, wherein, the step of closing the electric power of RF device comprises:
The service of determining in the service frame from be included in the service frame group and expecting is the quantity of corresponding service frame not;
Multiply each other to determine to close the time of the electric power of RF device by the quantity with the length of single service frame and the service frame of determining; And
From with the corresponding service frame of service of expectation receive last service frame and close the electric power of RF device at described definite time durations.
10. equipment that receives broadcast data, wherein, be divided at least one channel and in described at least one channel each is divided at least one service frame by the broadcast data that broadcast service will be provided and send described broadcast data, described equipment comprises:
Service configuration information interpretation unit is based on the frame label of corresponding at least one service frame of the definite service with expecting of the service configuration information of service frame group;
The radio frequency receiving element receives the service frame with described definite frame label in the service frame from be included in the service frame group; And
The RF power control unit is closed the electric power of RF receiving element when the service frame that does not have described definite frame label is sent out,
Wherein, described service configuration information pointer in described at least one service frame each the indication corresponding to the expectation broadcast service,
Wherein, described at least one service frame is included in the service frame group, and service configuration information comprise about be included in the service frame group with at least one broadcast service in the information of entire quantity of each corresponding service frame.
11. equipment as claimed in claim 10 wherein, in the frame label of service frame, to first service frame designated frame label 1 in the service frame group, and increases by 1 for next service frame with the frame label.
12. equipment as claimed in claim 10, wherein, described RF power control unit comprises:
The shut-in time determining unit, determine in the service frame from be included in the service frame group and the service of the expectation quantity of corresponding service frame not, multiply each other to determine to close the time of the electric power of RF receiving element by the quantity with the length of single service frame and described service frame; And
The shut-in time timer unit, from the corresponding service frame of service of expectation receive last service frame and close the electric power of RF receiving element at described definite time durations.
Applications Claiming Priority (6)
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| US90706407P | 2007-03-19 | 2007-03-19 | |
| US60/907,064 | 2007-03-19 | ||
| KR1020070051586A KR101366247B1 (en) | 2007-03-19 | 2007-05-28 | Method and apparatus for transmitting digital television broadcast data |
| KR1020070051586 | 2007-05-28 | ||
| KR10-2007-0051586 | 2007-05-28 | ||
| PCT/KR2008/001221 WO2008114943A1 (en) | 2007-03-19 | 2008-03-04 | Transmitting and receiving method and apparatus for digital television broadcasting data |
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| CN2013101002052A Division CN103220575A (en) | 2007-03-19 | 2008-03-04 | Transmitting and receiving method and apparatus for digital television broadcasting data |
| CN2013101002813A Division CN103152612A (en) | 2007-03-19 | 2008-03-04 | Transmitting and receiving method and apparatus for digital television broadcasting data. |
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| CN2013101002813A Pending CN103152612A (en) | 2007-03-19 | 2008-03-04 | Transmitting and receiving method and apparatus for digital television broadcasting data. |
| CN2008800090104A Expired - Fee Related CN101663889B (en) | 2007-03-19 | 2008-03-04 | Transmitting and receiving method and apparatus for digital television broadcasting data |
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| CN2013101002052A Pending CN103220575A (en) | 2007-03-19 | 2008-03-04 | Transmitting and receiving method and apparatus for digital television broadcasting data |
| CN2013101002813A Pending CN103152612A (en) | 2007-03-19 | 2008-03-04 | Transmitting and receiving method and apparatus for digital television broadcasting data. |
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| CN (3) | CN103220575A (en) |
| BR (1) | BRPI0807752A2 (en) |
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| DE (1) | DE112008000458T5 (en) |
| FI (1) | FI124797B (en) |
| MX (1) | MX2009009064A (en) |
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| CN102957942B (en) * | 2011-08-17 | 2017-07-25 | 国家新闻出版广电总局广播科学研究院 | The methods, devices and systems of data are transmitted in DMB |
| CN104602327A (en) * | 2013-10-30 | 2015-05-06 | 华为终端有限公司 | Method for controlling power supply and wireless terminal |
| CN106486061A (en) | 2016-08-24 | 2017-03-08 | 深圳市华星光电技术有限公司 | A kind of OLED display panel drive system and static pattern processing method |
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| CN1691524A (en) * | 2004-04-28 | 2005-11-02 | 智易科技股份有限公司 | RF output power control method for wireless communication device |
| CN1929615A (en) * | 2005-07-04 | 2007-03-14 | 三星电子株式会社 | Apparatus for data transmission and reception and method for data transmission and reception |
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| JP3562124B2 (en) * | 1996-03-06 | 2004-09-08 | ソニー株式会社 | Data communication method and data communication device |
| US6742184B1 (en) * | 1999-03-29 | 2004-05-25 | Hughes Electronics Corp. | Electronic television program guide with calendar tool |
| WO2001056266A2 (en) * | 2000-01-28 | 2001-08-02 | Ibeam Broadcasting Corporation | Method and apparatus for encoder-based distribution of live video and other streaming content |
| JP4569791B2 (en) * | 2000-05-25 | 2010-10-27 | ソニー株式会社 | Video processing apparatus and method, and recording medium |
| WO2003005719A2 (en) * | 2001-05-24 | 2003-01-16 | Vixs Systems Inc. | Method and apparatus for managing resources and multiplexing a plurality of channels in a multimedia system |
| KR20070051586A (en) | 2005-11-15 | 2007-05-18 | 엘지전자 주식회사 | Antimicrobial stuff comprising kimchi lactic acid bacteria fermented-solution and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691524A (en) * | 2004-04-28 | 2005-11-02 | 智易科技股份有限公司 | RF output power control method for wireless communication device |
| CN1604646A (en) * | 2004-10-29 | 2005-04-06 | 清华大学 | Method for reducing power consumption of hand-held mobile multimedia telecasting equipment |
| CN1929615A (en) * | 2005-07-04 | 2007-03-14 | 三星电子株式会社 | Apparatus for data transmission and reception and method for data transmission and reception |
Also Published As
| Publication number | Publication date |
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| FI20090328A (en) | 2009-09-08 |
| KR20100123804A (en) | 2010-11-25 |
| BRPI0807752A2 (en) | 2015-06-16 |
| KR101373017B1 (en) | 2014-03-13 |
| CA2678408C (en) | 2014-12-02 |
| FI124797B (en) | 2015-01-30 |
| KR20080085628A (en) | 2008-09-24 |
| KR20100123807A (en) | 2010-11-25 |
| KR20100123805A (en) | 2010-11-25 |
| KR101309286B1 (en) | 2013-09-16 |
| CN103152612A (en) | 2013-06-12 |
| CA2678408A1 (en) | 2008-09-25 |
| CN101663889A (en) | 2010-03-03 |
| DE112008000458T5 (en) | 2009-12-24 |
| KR101235861B1 (en) | 2013-02-20 |
| MX2009009064A (en) | 2009-10-19 |
| CN103220575A (en) | 2013-07-24 |
| KR101366247B1 (en) | 2014-02-20 |
| KR20100123806A (en) | 2010-11-25 |
| KR101309285B1 (en) | 2013-09-16 |
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