CN103733612A - Method and apparatus for transmitting and receiving signaling information for reception of broadcast services in a digital broadcasting system - Google Patents
Method and apparatus for transmitting and receiving signaling information for reception of broadcast services in a digital broadcasting system Download PDFInfo
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- CN103733612A CN103733612A CN201280029676.2A CN201280029676A CN103733612A CN 103733612 A CN103733612 A CN 103733612A CN 201280029676 A CN201280029676 A CN 201280029676A CN 103733612 A CN103733612 A CN 103733612A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/323—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the physical layer [OSI layer 1]
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Abstract
A method and apparatus for transmitting and receiving signaling information for receiving broadcast services in a digital broadcasting system. The method includes generating service guide information including broadcast service data, information about a transmission network where the broadcast service data is transmitted, and information about a transmission network neighboring the transmission network, and transmitting the service guide information in an upper layer of an Internet Protocol (IP) layer.
Description
Technical field
Relate generally to digit broadcasting system of the present invention, more specifically, relates to method and the device of the signaling information for receiving for broadcast service at digit broadcasting system sending and receiving.
Background technology
An example of second generation mobile broadcast standard is the next generation hand-held (NGH) standard of setting up by digital video broadcasting (DVB) (European standards for digital broadcasting tissue).DVB-NGH utilizes profile (profile) based on moving picture expert group 2 (MPEG2) transport stream (TS) to guarantee the maximum capacity of terrestrial broadcast networks and the IP summary for the interoperability of Internet protocol (IP) network, and described DVB-NGH is supposed to as the backbone network of radio network of future generation.
MPEG2TS profile use PSI/SI (PSI/SI) technology of using in MPEG2TS standard and DVB standard broadcast service data is provided, about the information of transmission network and the physical layer information of transmission network that wherein send broadcast service data.But, because IP summary is not used the PSI/SI based on MPEG2TS, so it is by providing broadcast service data, about the information of transmission network and the physical layer information of transmission network (being signaling information) that wherein send broadcast service data by independent method.
Summary of the invention
Technical problem
The present invention is at least to address the above problem and/or shortcoming in design, and following advantage is at least provided.
Therefore, one aspect of the present invention is to provide for method and device at the digit broadcasting system signaling information that sending and receiving receives for broadcast service effectively.
Another aspect of the present invention is to provide for using IP-based network effectively to send method and the device of signaling information.
Another aspect of the present invention is to provide for use service guide to transmit method and the device of descriptor (SGDD) sending and receiving for the signaling information of broadcast service reception at digit broadcasting system.
Technical scheme
According to aspect of the present invention, provide a kind of for send the method for the signaling information for receiving broadcast service at digit broadcasting system.Described method comprise generate comprise the service guide information of broadcast service data, about wherein send broadcast service data transmission network information and about the information of the transmission network of contiguous described transmission network; And send described service guide information in the upper strata of Internet protocol (IP) layer.
According to another aspect of the present invention, provide a kind of for send the device of the signaling information for receiving broadcast service at digit broadcasting system.Described device comprises: maker, for generate comprise the service guide information of broadcast service data, about wherein send broadcast service data transmission network information and about the information of the transmission network of contiguous described transmission network; And transmitter, for sending described service guide information on the upper strata of Internet protocol (IP) layer.
According to another aspect of the present invention, provide a kind of for receive the method for the signaling information for receiving broadcast service at digit broadcasting system.Described method is included in the upper strata of Internet protocol (IP) layer and receives service guide information; And check be included in broadcast service data in the guide information of source, about wherein send broadcast service data transmission network information and about the information of the transmission network of contiguous described transmission network.
According to another aspect of the present invention, provide a kind of for receive the device of the signaling information for receiving broadcast service at digit broadcasting system.Described device comprises: receiver, for receiving service guide information on the upper strata of Internet protocol (IP) layer; And controller, for check be included in the broadcast service data of source guide information, about wherein send broadcast service data transmission network information and about the information of the transmission network of contiguous described transmission network.
Accompanying drawing explanation
The description of carrying out below in conjunction with accompanying drawing, the above-mentioned and other side of specific embodiment of the present invention, feature and advantage will be more obvious, in accompanying drawing:
Fig. 1 illustrates according to an embodiment of the invention for receive the broadcast service guide of broadcast service at mobile broadcast system;
Fig. 2 illustrates the NGH agreement for DVB-NGH according to an embodiment of the invention;
Fig. 3 illustrates according to an embodiment of the invention the device of the signaling information for sending IP profile;
Fig. 4 illustrates according to an embodiment of the invention the device of the signaling information for receiving IP profile;
Fig. 5 is the flow chart that illustrates the process of the signaling information that sends according to an embodiment of the invention IP profile; And
Fig. 6 is the flow chart that illustrates the process of the signaling information that receives according to an embodiment of the invention IP profile.
Run through accompanying drawing, identical accompanying drawing reference marker will be understood to refer to identical element, feature and structure.
Embodiment
Now with reference to accompanying drawing, describe each embodiment of the present invention in detail.In the following description, such as the specific detail of detailed configuration and assembly is only provided for assisting the complete understanding of those of ordinary skills to exemplary embodiment of the present invention.Therefore, those of ordinary skills be to be understood that can to the embodiments described herein make various changes and modifications and can not depart from claims limit scope and spirit of the present invention.In addition,, for the purpose of clear and concise, when comprising the fuzzy theme of the present invention of known function and structure possibility, may omit description of them.
Although describe embodiments of the invention below by the mode of giving an example with reference to DVB-NGH with as Open Mobile Alliance mobile broadcast service (OMA BCAST) technology of the application layer standard for mobile broadcast in the middle of the applicable broadcast technology of the present invention, scope of the present invention is not limited to this.
Fig. 1 illustrates according to an embodiment of the invention, for receive the broadcast service guide of broadcast service at mobile broadcast system.Specifically, Fig. 1 illustrates the data model of the broadcast service guide for broadcast service is provided to terminal.
With reference to Fig. 1, described broadcast service guide comprises the segment with different objects, and wherein, described segment is divided into four groups according to their ability.Specifically, described broadcast service guide comprises: management group 100, for father's (higher level) configuration information of whole broadcast service guide is provided; Provide group, for being provided for receiving rate (or expense) information of broadcast service; Core group 120, for providing the core information of broadcast service guide, such as broadcast service, content and broadcast service timetable; And access group 130, for being provided for the access information of accessing broadcast service or content.In Fig. 1, the solid line that connects segment refers to the cross reference between segment.
As being provided, terminal utilize its management group 100 that receives the group of the essential information of broadcast service guide to comprise that service guide transmits descriptor (SGDD) 101.SGDD101 provides about information, schedule information and the lastest imformation of channel that can receive multiple broadcast service guide segments thereon to terminal, thereby described terminal can receive described broadcast service guide in time.
The group that provides group 110 to be to provide the rate information receiving for broadcast service, and comprise bought item segment 111, purchase data segment 112 and buy channel segment 113.Bought item segment 111 provides the rate information of broadcast services, content and time to user, it helps user to subscribe to or buys the bought item of expecting.Purchase data segment 112 provides the information of mode that can defrayment about user.Buy the access information that passage segment 113 is provided for subscribing to or buying broadcast service.
Described broadcast service guide also comprises preview data segment 124 and interaction data segment 125 except described four groups.Preview data segment 124 provides preview and the icon of broadcast service and content, and interaction data segment 125 provides the information of the mutual broadcast service that can participate in about user.
Fig. 2 illustrates the NGH agreement for DVB-NGH according to an embodiment of the invention.Specifically, the signaling information of sending and receiving IP profile in the upper strata of Internet protocol (IP) layer 205.
With reference to Fig. 2, DVB-NGH physical layer 201 is used suitable modulation scheme to transmit bit stream, and transport layer-1(L1) signaling 202.L1 signaling 202 provides the information of using in physical layer, such as terminal is used so that its information that accesses DVB-NGH or disconnect with DVB-NGH. Reference marker 203 and 204 represents the upper strata of described physical layer, and wherein, the data that receive from their upper strata are converted into base band (BB) frame by encapsulation process.
On the upper strata of IP layer 205, for example comprise broadcast service data 206(, the broadcast service guide of describing in conjunction with Fig. 1), comprise upper layer information (the Upper Layer Information of the network information from data Layer to application layer of the transmission network that wherein sends broadcast service data, ULI) 207 and comprise the adjacent multiplexed information (Neighboring Multiplexes Information, NMI) 208 about the information of (multiple) transmission network of contiguous described transmission network.ULI207 and NMI208 comprise the signaling information of IP profile.The signaling information of IP profile is used to receive the information in the lower floor that is present in IP layer 205.
Robust header compression (RoHC) information of the IP header that ULI207 comprises all IP of compression stream and reception defeated for their transmission, for broadcast service component being mapped to the information of physical layer pipe (PLP) and the physical parameter of the PLP associated with broadcast service.For example, ULI207 can comprise the grammer as provided in table 1 below.
[table 1]
The RoHC information in ULI207 of being included in comprises URL(uniform resource locator) (URL) length field, " ULR_byte or IP address+port number(URL byte or IP address+port numbers) " field, Context identifier (CID) field, context profile field, static information length (static_info_length) field and static chain byte field.For broadcast service component being mapped to the information of PLP, comprising anchor buoy will field, PLP id field, multiple-input and multiple-output (MIMO) pattern field and be preserved for using in the future (RFU) field.The physical parameter of the PLP associated with broadcast service comprises T_INT_APLPF field and BS_APLPF field.
Each field in table 1 can define as in table 2 below.
[table 2]
In CID field in table 2, little CID or large CID are used to RoHC information.Little CID has an eight bit byte between 1 and 15, and large CID has one or two eight bit bytes between 1 and 16383.The size of CID is determined by following rule:
If CID value is from " 1110 ": little CID is used to RoHC information, context size is 1 eight bit byte, and CID has 4;
If CID value is from " 0 ": large CID is used to RoHC information, context size is 1 eight bit byte, and CID has 7; And
If CID value is from " 10 ": large CID is used to RoHC information, context size is 2 eight bit bytes, and CID has 14.
Area covered by agreement for compressed IP stream is notified for the RoHC information in the context profile field in the middle of the field of table 2, in the middle of the field of described context class field in table 2.Static chain byte field is used to the IP stream of initialization based on RoHC Information Compression, and the size of static chain byte field and structure depend on context profile.
Based on the T_INT_APLPF in table 2, receiver determines within the described time, and whether it can process the PLP frame of previous distribution, and can calculate the cushion space for the treatment of the next frame of associated PLP.
NMI208 comprise terminal wherein receive broadcast service He Qi neighbor cell, community the network information and for enabling the physical layer information of high-speed receiving of broadcast service.For example, NMI208 comprises grammer as shown in Table 3 below.
[table 3]
Each field in table 3 can define as in table 4 below.
[table 4]
Sending and receiving ULI207 and NMI208 in SGDD.
Fig. 3 illustrates according to an embodiment of the invention the device of the signaling information for sending IP profile.With reference to Fig. 3, signaling information maker 310 generates the ULI207 of the network information from data Layer to application layer that comprises transmission network and comprises the NMI208 about the information of adjacent transmission network (or multiple).; signaling information maker 310 generate comprise for the RoHC information of all IP streams, for broadcast service component is mapped to the information of PLP and with the ULI207 of the physical parameter of associated PLP with broadcast service shown in table 1; and generate comprise for terminal wherein receive broadcast service He Qi neighbor cell, community the network information and for the NMI208 of the physical layer information of the high-speed receiving of broadcast service, as shown in table 3.
SGDD maker 330 generates the SGDD that comprises ULI207 and NMI208, and SGDD transmitter 350 sends the SGDD generating to receiving system.
Although signaling information maker 310, SGDD maker 330 and SGDD transmitter 350 are realized with Fen Li unit in Fig. 3, those skilled in the art will appreciate that they can be with the realization of single unit.
Fig. 4 illustrates according to an embodiment of the invention the device of the signaling information for receiving IP profile.
With reference to Fig. 4, SGDD receiver 410 receives the SGDD sending from dispensing device and is forwarded to SGDD decomposer 430.SGDD decomposer 430 decomposes ULI207 and the NMI208 of the signaling information that comprises IP profile from received SGDD, and ULI207 and NMI208 are sent to signaling information analyzer 450.
By analyzing each in ULI207 and NMI208, signaling information analyzer 450 checks the network information from data Layer to application layer that is included in the transmission network in ULI207, and checks the information about adjacent transmission network being included in NMI208.; signaling information analyzer 450 checks for the RoHC information of all IP streams, for service component being mapped to the physical parameter of the information of PLP and the PLP associated with broadcast service; their all being all included in ULI207; and signaling information analyzer 450 check terminal wherein receive broadcast service He Qi neighbor cell, community the network information and for enabling the physical layer information of high-speed receiving of broadcast service, they are both included in NMI208.
Although SGDD receiver 410, SGDD decomposer 430 and signaling information analyzer 450 are realized with Fen Li unit in Fig. 4, those skilled in the art will appreciate that they can be with the realization of single unit.In addition, SGDD decomposer 430 and signaling information analyzer 450 may be implemented as Single Controller.
Fig. 5 is the flow chart that illustrates the process of the signaling information that sends according to an embodiment of the invention IP profile.
With reference to Fig. 5, in step 510, signaling information maker 310 generates ULI207, and it comprises for the RoHC information of all IP stream, for broadcast service component being mapped to the physical parameter of the information of PLP and the PLP associated with broadcast service, as shown in Table 1.In step 530, signaling information maker 310 generates NMI208, it comprise terminal wherein receive broadcast service He Qi neighbor cell, community the network information and for enabling the physical layer information of high-speed receiving of broadcast service, as shown in Table 3.
In step 550, SGDD maker 330 generates and comprises the ULI207 of generation and the SGDD of NMI208.In step 570, SGDD transmitter 350 sends the SGDD generating to receiving system.
Alternatively, it is interchangeable that ULI generation step (step 510) and NMI generate step (step 530).
Fig. 6 is the flow chart that illustrates the process of the signaling information that receives according to an embodiment of the invention IP profile.
With reference to Fig. 6, in step 610, SGDD receiver 410 receives the SGDD sending from dispensing device, and in step 630, SGDD decomposer 430 decomposes ULI207 and the NMI208 of the signaling information that comprises IP profile from received SGDD.In step 650, signaling information analyzer 450 is analyzed ULI207 to check for the RoHC information of all IP stream, for service component being mapped to the physical parameter of the information of PLP and the PLP associated with broadcast service, and analyze NMI208 with check terminal wherein receive broadcast service He Qi neighbor cell, community the network information and for enabling the physical layer information of high-speed receiving of broadcast service.
In a word, according to embodiments of the invention, provide in DVB-NGH, with for example, the signaling information to the IP profile of receiving system (, terminal) of SGDD form, thereby reduced receiving system and obtained time of delay of signaling information.
As obvious from foregoing description, the above embodiment of the present invention is used IP-based Signalling method that the signaling information of transmission network and the transmission network physical layer of DVB-NGH IP profile are provided, thereby terminal can receive signaling information effectively.
In addition, the above embodiment of the present invention provides the method for the transmission network physical layer of signaling information for effectively configuring transmission network and DVB-NGH IP profile.
Additionally, the above embodiment of the present invention provides the signaling information of transmission network and the transmission network physical layer of DVB-NGH IP profile with the form of SGDD to terminal, thereby has reduced the time of delay of terminal acquisition signaling information.
Although exemplify and described the present invention with reference to particular implementation of the present invention, but it will be understood to those of skill in the art that, can carry out the various changes in form and details to the present invention, and can not depart from the spirit and scope of the present invention of claim and equivalent restriction thereof.
Claims (10)
1. for send a method for the signaling information for receiving broadcast service at digit broadcasting system, the method comprises:
Generation comprise the service guide information of broadcast service data, about wherein send broadcast service data transmission network information and about the information of the transmission network of contiguous described transmission network; And
In the upper strata of Internet protocol (IP) layer, send described service guide information.
2. for send a device for the signaling information for receiving broadcast service at digit broadcasting system, this device comprises:
Maker, for generate comprise the service guide information of broadcast service data, about wherein send broadcast service data transmission network information and about the information of the transmission network of contiguous described transmission network; And
Transmitter, for sending described service guide information on the upper strata of Internet protocol (IP) layer.
3. for receive a method for the signaling information for receiving broadcast service at digit broadcasting system, the method comprises:
In the upper strata of Internet protocol (IP) layer, receive service guide information; And
Inspection be included in broadcast service data in the guide information of described source, about wherein send broadcast service data transmission network information and about the information of the transmission network of contiguous described transmission network.
4. for receive a device for the signaling information for receiving broadcast service at digit broadcasting system, this device comprises:
Receiver, for receiving service guide information on the upper strata of Internet protocol (IP) layer; And
Controller, for check be included in the broadcast service data of described source guide information, about wherein send broadcast service data transmission network information and about the information of the transmission network of contiguous described transmission network.
5. the method as described in claim 1 or 3 or the device as described in claim 2 or 4, wherein, the described network information from data Layer to application layer that comprises described transmission network about the information of transmission network that wherein sends broadcast service data.
6. method as claimed in claim 5 or device, wherein, described about the information of transmission network that wherein sends broadcast service data also comprise robust header compression (RoHC) information, for broadcast service component being mapped to the information of the physical layer pipe associated with broadcast service data (PLP) and the physical parameter of PLP.
7. method as claimed in claim 6 or device, wherein, described RoHC information comprises: the text byte field (URL_byte or IP address+port number(URL byte or IP address+port numbers) of (i) indicating URL(uniform resource locator) byte (URL_byte) value of each broadcast service component), or (ii) indication sends each IP address and the port numbers of IP channel in broadcast service component thereon.
8. method as claimed in claim 6 or device, wherein, the physical parameter of described PLP comprises the field of the time (T_INT_APLPF) between two consecutive frames of indicating described PLP,
Wherein, with millisecond or Orthodoxy Frequency Division Multiplex (OFDM) code element, represent the time.
9. the method as described in claim 1 or 3 or the device as described in claim 2 or 4, wherein, the information of the described transmission network about contiguous described transmission network comprises the community of receiver receiving broadcast service data wherein and the network information of the community that is adjacent and for enabling the physical layer information of reception of described broadcast service data.
10. method as claimed in claim 9 or device, wherein, the information of the described transmission network about contiguous described transmission network comprises the field of the described community of indication and the network ID of the transmission network of the community being adjacent, the field of indicating cell and the community ID of the community being adjacent, indication is present in the field of the quantity of the radio frequency in described community, the field of the ID of indication radio frequency, the field of the transmission band of indication radio frequency, the field of indicating transmission mode, the field at the protection interval between indication Orthodoxy Frequency Division Multiplex (OFDM) community, the field of the identifier of the common clock using in indication mechanism, use/untapped the field of indication in-band signalling, indicate the field of the current time slots length corresponding with the quantity of OFDM community, the field of the interval quantity between indication current time slots and next time slot, the field of the quantity of the low noise transducer (LNC) of indication in digit broadcasting system, indicate the field of main radio frequency, indicate the field of quantity of the PLP in current LNC and the field of the ID of indication PLP.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
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| US201161497782P | 2011-06-16 | 2011-06-16 | |
| US61/497,782 | 2011-06-16 | ||
| KR10-2011-0100522 | 2011-10-04 | ||
| KR1020110100522A KR101874433B1 (en) | 2011-06-16 | 2011-10-04 | Method and apparatus for transmitting/receiving signalling information for receiving a broadcast service in a digital broadcast system |
| PCT/KR2012/004656 WO2012173387A2 (en) | 2011-06-16 | 2012-06-13 | Method and apparatus for transmitting and receiving signaling information for reception of broadcast services in a digital broadcasting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103733612A true CN103733612A (en) | 2014-04-16 |
| CN103733612B CN103733612B (en) | 2017-12-05 |
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| CN201280029676.2A Expired - Fee Related CN103733612B (en) | 2011-06-16 | 2012-06-13 | For sending and receiving the method and device of the signaling information for broadcasting service reception in a digital broadcasting system |
Country Status (5)
| Country | Link |
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| JP (1) | JP5944494B2 (en) |
| KR (1) | KR101874433B1 (en) |
| CN (1) | CN103733612B (en) |
| AU (1) | AU2012270415B2 (en) |
| RU (1) | RU2584819C2 (en) |
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| WO2015180429A1 (en) * | 2014-05-27 | 2015-12-03 | 华为技术有限公司 | Hybrid network system, channel content replay method, and hybrid set top box |
| CN105723682A (en) * | 2014-06-26 | 2016-06-29 | Lg电子株式会社 | Method and device for transmitting/receiving broadcast signal |
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| CA2911498C (en) * | 2013-05-22 | 2018-05-01 | Woosuk Kwon | Method and apparatus for processing signaling data between layers in ip-based digital broadcasting system |
| US9590781B2 (en) | 2013-08-13 | 2017-03-07 | Lg Electronics Inc | Method for transmitting broadcast signal, method for receiving broadcast signal, apparatus for transmitting broadcast signal, and apparatus for receiving broadcast signal |
| CN106063280A (en) | 2014-04-30 | 2016-10-26 | Lg电子株式会社 | Apparatus for transmitting broadcast signal, apparatus for receiving broadcast signal, method for transmitting broadcast signal and method for receiving broadcast signal |
| KR101853669B1 (en) | 2014-09-25 | 2018-05-02 | 엘지전자 주식회사 | Broadcasting signal transmitting device, broadcasting signal receiving device, broadcasting signal transmitting method, and broadcasting signal receiving method |
| KR101911275B1 (en) * | 2014-12-31 | 2018-10-24 | 엘지전자 주식회사 | Broadcast signal transmission apparatus, broadcast signal reception apparatus, broadcast signal transmission method, and broadcast signal reception method |
| WO2016182371A1 (en) * | 2015-05-12 | 2016-11-17 | 엘지전자 주식회사 | Broadcast signal transmitter, broadcast signal receiver, broadcast signal transmitting method, and broadcast signal receiving method |
| WO2018168455A1 (en) | 2017-03-14 | 2018-09-20 | ソニーセミコンダクタソリューションズ株式会社 | Transmission device, reception device, and data processing method |
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Cited By (11)
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2012270415A1 (en) | 2013-11-28 |
| KR20120139520A (en) | 2012-12-27 |
| CN103733612B (en) | 2017-12-05 |
| JP5944494B2 (en) | 2016-07-05 |
| RU2014101175A (en) | 2015-07-27 |
| KR101874433B1 (en) | 2018-07-06 |
| AU2012270415B2 (en) | 2016-02-25 |
| JP2014524172A (en) | 2014-09-18 |
| RU2584819C2 (en) | 2016-05-20 |
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