WO2010075723A1 - 媒体接收及发送方法、用户设备和业务指南服务器 - Google Patents

媒体接收及发送方法、用户设备和业务指南服务器 Download PDF

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Publication number
WO2010075723A1
WO2010075723A1 PCT/CN2009/075356 CN2009075356W WO2010075723A1 WO 2010075723 A1 WO2010075723 A1 WO 2010075723A1 CN 2009075356 W CN2009075356 W CN 2009075356W WO 2010075723 A1 WO2010075723 A1 WO 2010075723A1
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WO
WIPO (PCT)
Prior art keywords
access
information
service
fragment
content
Prior art date
Application number
PCT/CN2009/075356
Other languages
English (en)
French (fr)
Inventor
陈国乔
张惠萍
杨健
张楚雄
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to EP09836010A priority Critical patent/EP2378770A4/en
Publication of WO2010075723A1 publication Critical patent/WO2010075723A1/zh
Priority to US13/174,474 priority patent/US20120167138A9/en

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Classifications

    • 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
    • H04L65/1083—In-session procedures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/20—Arrangements for broadcast or distribution of identical information via plural systems
    • H04H20/24—Arrangements for distribution of identical information via broadcast system and non-broadcast system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/26—Arrangements for switching distribution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • 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
    • H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
    • H04H60/72—Systems specially adapted for using specific information, e.g. geographical or meteorological information using electronic programme guides [EPG]
    • 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
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
    • 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
    • H04L65/80—Responding to QoS
    • 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
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6137—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a telephone network, e.g. POTS

Definitions

  • the present invention relates to mobile communication technologies, and in particular, to a media receiving and transmitting method, a user equipment, and a service guide server.
  • Mobile phone television bearer networks include the following: First, terrestrial broadcast-based methods, including Digital Video Broadcasting-Handheld (DVB-H) technology in Europe, and terrestrial digital multimedia broadcasting in Korea (Trestrial- Digital Multimedia Broadcasting, T-DMB) technology, and Media Forward Link (MediaFLO) technology in the United States; and second, satellite-based broadcasting, including European Satellite Digital Multimedia Broadcasting (SDMB) technology; Third, the Multimedia Broadcast/Multicast Service (MBMS) technology and the Broadcast Multicast Service (BCMCS) in the 3rd Generation Partnership Project (3GPP) based on the mobile network.
  • 3GPP 3rd Generation Partnership Project
  • the embodiments of the present invention provide a media receiving and transmitting method, a user equipment, and a service guide server, which solve the problem that an existing mobile terminal cannot implement a smooth transition of services or content after network switching.
  • the embodiment of the invention provides a media receiving method, including:
  • Receiving a service guide where the service guide includes first access information, access association information, and second access information; Receiving a media corresponding to the first access information, where the media corresponding to the first access information supports a service or content;
  • the second access information is determined according to the access association information, and the media corresponding to the second access information is accessed, and the media corresponding to the second access information supports the service or content.
  • An embodiment of the present invention provides a media sending method, including:
  • the service guide includes first access information, access association information, and second access information
  • the media corresponding to the second access information is sent to the user equipment, and the media corresponding to the second access information supports the service or content.
  • the embodiment of the invention provides a user equipment, including:
  • a receiving module configured to receive a service guide, where the service guide includes first access information, access association information, and second access information;
  • An acquiring module configured to receive media corresponding to the first access information, where the media corresponding to the first access information supports a service or content;
  • a switching module configured to determine, according to the access association information, second access information, access a media corresponding to the second access information, and the media corresponding to the second access information supports the service Or content.
  • An embodiment of the present invention provides a service guide server, including:
  • a first sending module configured to send a service guide to the user equipment, where the service guide includes first access information, access association information, and second access information;
  • a second sending module configured to send a media corresponding to the first access information, where the media corresponding to the first access information supports a service or content
  • a third sending module configured to: when the user equipment is switched, send the media corresponding to the second access information to the user equipment, where the media corresponding to the second access information supports the service or content.
  • the embodiment of the present invention obtains the second access information associated with the first access information when the handover is required, and the same service or content can be supported in different media to implement the mobile device. After the media is switched, the terminal ensures a smooth transition of the service or content.
  • DRAWINGS 1 is a schematic flow chart of Embodiment 1 of a method according to the present invention.
  • Embodiment 2 is a schematic flow chart of Embodiment 2 of a method according to the present invention.
  • Embodiment 3 is a schematic flow chart of Embodiment 3 of a method according to the present invention.
  • Embodiment 4 is a schematic flow chart of Embodiment 4 of a method according to the present invention.
  • Embodiment 5 is a schematic flowchart of Embodiment 5 of a method according to the present invention.
  • FIG. 6 is a schematic structural diagram of an embodiment of a user equipment according to the present invention.
  • FIG. 7 is a schematic structural diagram of an embodiment of a service guide server according to the present invention.
  • IE User Equipment
  • FIG. 1 is a schematic flowchart of Embodiment 1 of the method according to the present invention, including: Step 11: User Equipment (IE) receives a Service Guide (SG), where the service guide includes first access information and access Correlation information and second access information, the first access information corresponding to the first media, the first media may support a service or content, and the access association information indicates a first association with the first access information
  • the second access information corresponds to the second media, and the second media also supports the service or content.
  • the SG includes service fragmentation and/or content fragmentation and access fragmentation.
  • the service fragment is used to describe the service information of the mobile multimedia service, for example, the television channel for viewing.
  • Content sharding is used to describe information about a program, for example, specific content in a channel being viewed.
  • the access fragment includes access information, and the access information indicates media required to receive the corresponding service or content, for example, different bearer networks, or different servers under the same network.
  • the UE may receive the service or content carried in the first media according to the first access information of the first access fragment.
  • Step 12 The UE receives the media corresponding to the first access information, and the media corresponding to the first access information supports a service or content.
  • Step 13 When performing handover, the UE determines the first according to the access association information.
  • the second access information is connected to the media corresponding to the second access information, and the media corresponding to the second access information also supports the service or content.
  • the media needs to switch.
  • the second transition information in the second access fragment associated with the first access information in the first access fragment needs to be obtained.
  • the foregoing second access information may be determined by the access association information, and the access association information may be carried in the service fragment or/and the content fragment or/and the first access fragment.
  • Step 201 The UE is powered on and initialized.
  • Step 202 The UE acquires and displays a Service Guide (SG).
  • Step 203 The UE plays the service or content carried by the first medium (eg, the network) according to the first access information in the first access fragment selected by the user in the SG.
  • Step 204 The UE learns that network switching needs to be performed. For example, when the signal of the first network becomes poor, or when the operator/user designates to enter a specific network, etc., the UE determines that network switching is required, for example, from the broadcast network to the on-demand network.
  • Step 205 The UE determines whether network switching is supported.
  • the UE may determine whether to support the network handover according to whether the access association information is received, and when the access association information is received, the network handover is supported.
  • the access association information may be a service switching identifier information (HybridAccess), and the identifier information may be carried in the service fragment or/and the content fragment in a newly added manner.
  • HybridAccess service switching identifier information
  • the specific format of the flag information can be as shown in Table 1: Table 1
  • the access association information may be associated information of the service handover (AssociationAccess), and the association information may be carried in the access fragment in a newly added manner.
  • AssociationAccess the service handover
  • Table 2 The specific format of the associated information can be as shown in Table 2: Table 2
  • the access association information may be a selection criterion information (AccessChoose) of the service handover, and the selection criterion information may be carried in the service fragment or/and the content fragment or/and the access fragment in a newly added manner.
  • the specific format of the selection criteria information can be as shown in Table 3: Table 3
  • Step 206 The UE determines whether the second access fragment corresponding to the access association information is found. If yes, go to step 207. Otherwise, go to step 209. The UE determines whether the second access fragment corresponding to the access association information is found to be: whether the second access fragment indicated by the access fragment (AccessIDRef) can be found.
  • Step 207 The UE accesses the second media according to the second access information, and accesses the service or content carried in the second media (eg, the second network) according to the second media.
  • the corresponding second access fragment may be determined according to the access association information, and then according to the second
  • the second access information in the access fragment implements network switching to ensure a smooth transition of services or content.
  • the foregoing embodiment directly searches for the corresponding access fragment when it is determined that the network switching is supported.
  • the SG may be displayed after the network switching is supported.
  • FIG. 3 is a schematic flowchart of Embodiment 3 of the method according to the present invention.
  • the second embodiment is different from the second embodiment.
  • the second embodiment is to obtain the SG while acquiring the SG.
  • the SG is displayed when the UE supports network switching.
  • Step 301 The same as step 201 of the second embodiment, and details are not described herein again.
  • Step 302 Acquire an SG. It is different from the corresponding acquisition and presentation SG in the second embodiment.
  • Step 303 The UE determines whether network switching is supported. If yes, go to step 304. Otherwise, go to step 311. The basis for determining the UE and the manner of carrying the access association information are the same as the corresponding content in step 205 of the second embodiment, and details are not described herein.
  • Step 304 Display SG.
  • the steps 305-306 are the same as the steps 203-204 of the second embodiment, and are not described again.
  • Steps 307-310 Corresponding to the steps 206-209 of the second embodiment, the step 311 is omitted (the related fragment of the SG is hidden).
  • the related fragment includes a service fragment, a content fragment, and an access fragment corresponding to the SG.
  • the corresponding second access fragment may be determined according to the access association information, and then according to the second access point.
  • the access information in the slice implements network switching to ensure a smooth transition of services or content.
  • FIG. 4 is a schematic flowchart of Embodiment 4 of the method according to the present invention. The embodiment adds a step of determining a second access fragment based on Embodiment 2.
  • the embodiment includes: Steps 401-404: Corresponding to steps 201-204 of the second embodiment, and details are not described herein again.
  • the second embodiment is different from the step 205 of the second embodiment.
  • the access association information in the second embodiment is a single identifier information, association information, or selection criteria information.
  • the access association information in this embodiment is multiple, that is, there are two
  • the flag information shown in Table 1 above may have two or more pieces of related information shown in Table 2, or two or more pieces of selection standard information shown in Table 3. In this case, two or more alternatives are required.
  • One of the second access fragments is determined.
  • Step 406 The UE acquires a selection basis when the network is switched. Specifically, when there are two or more pieces of flag information or associated information, since each of the flag information or the associated information includes only the priority information, the selection is based on the priority, and the UE is in the second or more second according to the priority. Selecting a second access fragment in the incoming fragment; when there are two selection criteria information, determining the selection basis according to the selection type (ie, element type) in each selection criterion information, for example, when the above element type is 1 The selection is based on the priority, and the second access fragment is determined according to the priority. At this time, the UE selects a second access fragment according to the priority corresponding to each second access fragment specified by the element AceessIDRef.
  • the selection type ie, element type
  • Step 407 The UE determines whether there is a second access fragment according to the corresponding selection. If yes, go to step 408. Otherwise, go to step 411. For example, if the priority is used as the selection basis, it is determined whether there is a second access fragment under the corresponding priority.
  • Step 408 The UE determines whether the selected second access fragment is found. If yes, go to step 409. Otherwise, go to step 411.
  • the steps 409-411 are the same as the steps 207-209 of the second embodiment, and are not described again.
  • FIG. 5 is a schematic flowchart of Embodiment 5 of the method according to the present invention.
  • the fourth embodiment is based on Embodiment 3, except that the step of determining a second access fragment is added on the basis of Embodiment 2, and the embodiment is based on Embodiment 3.
  • the step of determining a second access slice is added.
  • the embodiment includes: Steps 501-502: Corresponding to steps 301-302 of Embodiment 3, and details are not described herein again.
  • Step 503 The UE determines whether network switching is supported. If yes, go to step 504. Otherwise, go to step 513.
  • the manner in which the UE determines and the manner in which the access association information is carried are the same as the corresponding content in the step 405 in the fourth embodiment, and details are not described herein.
  • Steps 504-506 Corresponding to steps 304-306 of the third embodiment, and are not described again.
  • Steps 507-512 Corresponding to steps 406-411 of the fourth embodiment, and details are not described herein again.
  • Step 513 The same as step 311 of the third embodiment, and details are not described herein again.
  • a correct second access fragment can be quickly and accurately selected when there are multiple candidate second access fragments, thereby implementing a fast transition of services or content, and improving the UE. Process efficiency and enhance the user experience.
  • the SG is displayed in the case that the UE supports the network handover, and the service or content selected by the user based on the SG can still be played after the network handover, so as to avoid the problem that the blindly selected service or content may not be supported after the network handover. , to ensure the effectiveness of the SG.
  • the foregoing embodiment describes the process of media reception from the user equipment UE side.
  • the media sending process performed by the SG server is: Step A: Send a service guide to the user equipment, where the service guide includes the first access information, Entering the association information and the second access information; Step B: transmitting the media corresponding to the first access information, where the media corresponding to the first access information supports a service or content; Step C: when the user equipment switches, according to The access association information determines the second access information, and sends, to the user equipment, the media corresponding to the second access information that also supports the service or content according to the second access information; or, when the user equipment switches And sending, according to the second access information sent by the user equipment, the media corresponding to the second access information that also supports the service or content.
  • the first access information is carried in the access fragment of the SG.
  • the access association information is specifically the service switching flag information (HybridAccess) shown in Table 1
  • the flag information is carried in the service fragment or/and the content fragment of the SG
  • the association information is also carried in the access fragment of the SG
  • the access association information is specifically the selection criterion information (AccessChoose) of the service switching shown in Table 3
  • the selection criteria information may be carried in a service slice or/and a content slice or/and an access slice.
  • the SG server can send the access association information to the UE, so that the UE can implement a smooth transition of the service or content after the media switch, and enhance the user experience.
  • FIG. 6 is a schematic structural diagram of an embodiment of a user equipment according to the present invention, including a receiving module 61, an obtaining module 62, and a switching module 63.
  • the receiving module 61 receives the service guide, where the service guide includes the first access information, the access association information, and the second access information.
  • the obtaining module 62 receives the first access information that is received by the receiving module 61.
  • the media, the media corresponding to the first access information supports a service or content; when the handover module 63 performs the handover, the second access information is determined according to the access association information received by the receiving module 61, and the access and the The media corresponding to the second access information, and the media corresponding to the second access information also supports the service or content.
  • the access association information may be specifically the flag information of the service switching, and the receiving module 61 is specifically configured to receive a service guide, where the service guide includes a service fragment or/and a content fragment and an access fragment, where The service fragmentation or the content fragment includes the flag information of the service switching, and the access fragment includes the first access information.
  • the receiving module 61 is specifically configured to receive a service guide, where the service guide includes an access fragment, where the access fragment includes the first Information related to access information and service switching. Or the access association information may be specifically the selection criterion information of the service switching.
  • the receiving module 61 is specifically configured to receive a service guide, where the service guide includes a service fragment or/and a content fragment and an access fragment.
  • the access fragment includes the first access information, and the service fragment or/and the content fragment or/and the access fragment include selection criterion information of the service switching.
  • the flag information of the service switching or the association information of the service switching is two or more
  • the flag information of each service switching or the association information of the service switching includes a priority
  • the obtaining module 62 is based on the priority in at least two
  • the selection criteria information of the service switching is two or more
  • the selection criterion information of each service switching includes a selection type
  • the obtaining module 62 obtains the selection basis according to the selection type; according to the selection, at least two accesses are selected according to the selection.
  • the association information selecting one access association information; and acquiring second access information corresponding to the selected access association information.
  • FIG. 7 is a schematic structural diagram of an embodiment of a service guide server according to the present invention, including a first sending module 71, a second sending module 72, and a third sending module 73.
  • the first sending module 71 sends a service guide to the user equipment, where the service guide includes first access information, access association information, and second access information.
  • the second sending module 72 sends the media corresponding to the first access information according to the first access information sent by the first sending module 71, and the media corresponding to the first access information supports a service or content.
  • the third sending module 73 determines the second access information according to the access association information obtained by the first sending module 71, and sends the second access to the user equipment according to the second access information.
  • the medium corresponding to the information, the media corresponding to the second access information also supports the service or the content; or the third sending module 73 sends the second access information sent by the user equipment to the user equipment when the user equipment is switched.
  • the media corresponding to the second access information, the media corresponding to the second access information also supports the service or content.
  • the access association information acquired by the first sending module 71 may be the flag information of the service switching shown in Table 1.
  • the first sending module 71 is specifically configured to carry the first access information in the service guide.
  • the flag information of the service switching is carried in the service fragment or/and the content fragment of the service guide.
  • the access association information acquired by the first sending module 71 may be the association information of the service switching shown in Table 2.
  • the first sending module 71 is specifically configured to carry the first access information in the service guide.
  • the association information of the service handover is also carried in the access fragment of the service guide.
  • the access association information acquired by the first sending module 71 may be the selection criterion information of the service switching shown in Table 3.
  • the first sending module 71 is specifically configured to carry the first access information in the service guide.
  • the selection criterion information of the service switching is carried in the service fragment or/and the content fragment or/and the access fragment of the service guide.
  • the UE can implement a smooth transition of the service or content after the network handover, and enhance the user experience.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
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  • Information Transfer Between Computers (AREA)

Abstract

本发明公开了一种媒体接收及发送方法、用户设备和业务指南服务器。该方法包括接收业务指南，所述业务指南中包括第一接入信息、接入关联信息和第二接入信息；接 收与所述的第一接入信息对应的媒体，该与第一接入信息对应的媒体支持一业务或内容。当进行切换时，根据所述接入关联信息确定第二接入信息，接入与所述第二接入信息对应的媒体，该与第二接入信息对应的媒体同样支持所述业务或内容。通过本发明实 施例可以保证承载资源切换时业务或内容的平滑过渡，增强用户体验。

Description

媒体接收及发送方法、 用户设备和业务指南服务器 本申请要求于 2008年 12月 31 日提交中国专利局、 申请号为 CN 200810247425. 7、 发明名称为 "媒体接收及发送方法、 用户设备和业务指南服务器"的中国专利申请的优 先权， 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及移动通信技术， 特别涉及一种媒体接收及发送方法、 用户设备和业务指 南服务器。 背景技术 手机电视的承载网络包括如下几种： 其一， 基于地面广播的方式， 包括欧洲的数字 视频手持广播 （Digital Video Broadcasting-Handheld, DVB-H) 技术、 韩国的陆地数 字多媒体广播 ( Terrestrial-Digital Multimedia Broadcasting, T- DMB) 技术、 以及 美国的媒体前向链接 （MediaFLO) 技术； 其二， 基于卫星广播的方式， 包括欧洲的卫星 数字多媒体广播 ( Satel l ite Digital Multimedia Broadcasting, SDMB) 技术； 其三， 基于移动网络的第三代合作伙伴项目 （3rd Generation Partnership Project, 3GPP) 中多媒体广播和组播业务 (Multimedia Broadcast/Multicast Service, MBMS ) 技术、 广播多播业务 （Broadcast Multicast Service, BCMCS ) 技术和流媒体技术。 由于手机 电视的承载网络有各种网络， 当一种网络的信号变得较差时需要切换到另一种网络； 或 者， 由于运营商策略的变化需要进行网络切换， 例如， 从广播网络切换到移动网络。
发明人在实现本发明的过程中发现现有技术至少存在如下问题： 在网络切换后， 现 有移动终端正在播放的业务或内容很可能断掉， 不能实现业务或内容的平滑过渡， 影响 用户体验。 发明内容
本发明实施例提供一种媒体接收及发送方法、 用户设备和业务指南服务器， 解决现 有移动终端不能实现网络切换后业务或内容平滑过渡的问题。
本发明实施例提供了一种媒体接收方法， 包括：
接收业务指南，所述业务指南中包括第一接入信息、接入关联信息和第二接入信息; 接收与所述第一接入信息对应的媒体，该与第一接入信息对应的媒体支持一业务或 内容；
当进行切换时， 根据所述接入关联信息确定第二接入信息， 接入与第二接入信息对 应的媒体， 该与第二接入信息对应的媒体支持所述业务或内容。
本发明实施例提供了一种媒体发送方法， 包括：
向用户设备发送业务指南， 所述的业务指南包括第一接入信息、 接入关联信息和第 二接入信息；
发送与所述第一接入信息对应的媒体，该与第一接入信息对应的媒体支持一业务或 内容；
当用户设备切换时， 向用户设备发送与所述第二接入信息对应的媒体， 该与第二接 入信息对应的媒体支持所述业务或内容。
本发明实施例提供了一种用户设备， 包括：
接收模块， 用于接收业务指南， 所述业务指南中包括第一接入信息、 接入关联信息 和第二接入信息；
获取模块， 用于接收与所述的第一接入信息对应的媒体， 该与第一接入信息对应的 媒体支持一业务或内容；
切换模块， 用于当进行切换时， 根据所述接入关联信息确定第二接入信息， 接入与 第二接入信息对应的媒体， 该与第二接入信息对应的媒体支持所述业务或内容。
本发明实施例提供了一种业务指南服务器， 包括：
第一发送模块，用于向用户设备发送业务指南，所述的业务指南包括第一接入信息、 接入关联信息和第二接入信息；
第二发送模块， 用于发送与所述第一接入信息对应的媒体， 该与第一接入信息对应 的媒体支持一业务或内容；
第三发送模块， 用于当用户设备切换时， 向用户设备发送与所述第二接入信息对应 的媒体， 该与第二接入信息对应的媒体支持所述业务或内容。
由上述技术方案可知，本发明实施例通过在需要切换时获取与第一接入信息关联的 第二接入信息， 由于接入信息相关联， 可以在不同媒体下支持同一业务或内容， 实现移 动终端在媒体切换后， 保证业务或内容的平滑过渡。 附图说明 图 1为本发明方法实施例一的流程示意图；
图 2为本发明方法实施例二的流程示意图；
图 3为本发明方法实施例三的流程示意图；
图 4为本发明方法实施例四的流程示意图；
图 5为本发明方法实施例五的流程示意图；
图 6为本发明用户设备实施例的结构示意图；
图 7为本发明业务指南服务器实施例的结构示意图。 具体实施方式 下面通过附图和实施例， 对本发明的技术方案做进一步的详细描述。 图 1为本发明方法实施例一的流程示意图， 包括： 步骤 11 : 用户设备 ( User Equipment, IE ) 接收业务指南 ( Service Guide, SG) ， 所述业务指南中包括第一接入信息和接入关联信息及第二接入信息，所述第一接入信息 对应第一媒体， 该第一媒体可以支持一业务或内容， 所述接入关联信息指示与所述第一 接入信息关联的第二接入信息， 所述第二接入信息对应第二媒体， 该第二媒体同样支持 该业务或内容。
SG中包括业务 （service ) 分片或 /和内容 （content ) 分片及接入 （access ) 分片。 业务分片用于描述移动多媒体业务的业务信息， 例如， 收看的电视频道。 内容分片用于 描述某个节目的相关信息， 例如， 收看的频道中的具体内容。 接入分片包括接入信息， 接入信息指示收到相应的业务或内容需要的媒体， 例如， 不同的承载网络， 或者同一网 络下不同的服务器。 UE根据第一接入分片的第一接入信息可以接收承载在第一媒体中的 业务或内容。 步骤 12 : UE接收所述第一接入信息对应的媒体， 该与第一接入信息对应的媒体支持 一业务或内容； 步骤 13 : 当进行切换时， UE根据所述接入关联信息确定第二接入信息， 接入与所述 第二接入信息对应的媒体， 该与第二接入信息对应的媒体同样支持所述业务或内容。 例如， 在外界环境变化 （承载网络信号变差或运营商需要更改策略） 时， 媒体需要 切换。 此时， 为了保证原本承载在第一媒体中的业务或内容平滑过渡， 需要平滑地将媒 体过渡到第二媒体上， 由于接入信息与媒体对应， 即需要获得与第一接入分片中的第一 接入信息关联的第二接入分片中的第二接入信息。 本实施例通过获取与第一接入信息关联的第二接入信息， 实现在媒体切换后业务或 内容的平滑过渡， 增强用户体验。 其中， 上述的第二接入信息可以通过接入关联信息确定， 接入关联信息可以携带在 业务分片或 /和内容分片或 /和第一接入分片中， 具体的可参见下述的实施例。
图 2为本发明方法实施例二的流程示意图， 该实施例包括： 步骤 201 : UE开机， 初始化。 步骤 202: UE获取并展现业务指南 (Service Guide, SG) 。 步骤 203: UE根据用户在 SG中选择的第一接入分片中的第一接入信息， 播放第一媒 体 （如， 网络） 承载的业务或内容。 步骤 204: UE获知需要进行网络切换。 例如， 在第一网络的信号变得较差时， 或者 运营商 /用户指定进入一特定网络等情况下， UE确定需要进行网络切换， 例如， 从广播 网络进入点播网络。 步骤 205: UE判断是否支持网络切换， 若是， 执行步骤 206， 否则， 执行步骤 209。 具体的， UE可以根据是否接收到接入关联信息来确定是否支持网络切换， 当接收到接入 关联信息即表示支持网络切换。 其中， 接入关联信息可以为业务切换的标志信息 （HybridAccess ) ， 该标志信息可 以通过新增的方式携带在业务分片或 /和内容分片中。该标志信息的具体格式可以如表 1 所示： 表 1
Figure imgf000006_0001
或者， 接入关联信息可以为业务切换的关联信息 （AssociationAccess ) ， 该关联 信息可以通过新增的方式携带在接入分片中。 该关联信息的具体格式可以如表 2所示： 表 2
Figure imgf000007_0001
或者， 接入关联信息可以为业务切换的选择标准信息 （AccessChoose ) ， 该选择标 准信息可以通过新增的方式携带在业务分片或 /和内容分片或 /和接入分片中。该选择标 准信息的具体格式可以如表 3所示： 表 3
Figure imgf000007_0002
步骤 206: UE判断是否查找到接入关联信息对应的第二接入分片， 若是， 执行步骤 207，否则，执行步骤 209。 UE判断是否查找到接入关联信息对应的第二接入分片可以是: 是否可以找到接入分片的索引 （AccessIDRef ) 指示的第二接入分片。 步骤 207: UE根据第二接入信息接入第二媒体， 并根据第二媒体接入承载在第二媒 体 （如， 第二网络） 中的业务或内容。 步骤 208 : UE播放承载在第二网络中的业务或内容。 步骤 209: 报错。 本实施例通过在业务分片或 /和内容分片或 /和接入分片中， 携带接入关联信息， 可 以根据接入关联信息确定相应的第二接入分片，进而根据该第二接入分片中的第二接入 信息实现网络切换， 以保证业务或内容的平滑过渡。 上述实施例在判断出支持网络切换时直接查找对应的接入分片， 为了保证 SG的有效 性， 还可以在支持网络切换后再展现 SG。 图 3为本发明方法实施例三的流程示意图， 该实施例与实施例二不同在于， 实施例 二是获取 SG的同时展现 SG， 本实施例是在 UE支持网络切换的情况下才展现 SG。 该实施例 包括： 步骤 301 : 与实施例二的步骤 201相同， 不再赘述。 步骤 302 : 获取 SG。 与实施例二的对应获取并展现 SG不同。 步骤 303 : UE判断是否支持网络切换， 若是， 执行步骤 304， 否则， 执行步骤 311。 其中， UE判断的依据及接入关联信息的携带方式与实施例二的步骤 205中的对应内容相 同， 不再赘述。 步骤 304: 展现 SG。 步骤 305-306 : 与实施例二的步骤 203-204对应相同， 不再赘述。 步骤 307-310: 与实施例二的步骤 206-209对应相同， 不再赘述 步骤 311 : 隐藏 SG的相关分片。 该相关分片包括该 SG对应的业务分片、 内容分片和 接入分片。 本实施例通过在业务分片或内容分片或接入分片中， 携带接入关联信息， 可以根据 该接入关联信息确定相应的第二接入分片，进而根据该第二接入分片中的接入信息实现 网络切换， 以保证业务或内容的平滑过渡。 同时， 由于在 UE支持网络切换的前提下才展 现 SG， 可以保证用户基于该 SG选择的业务或内容在网络切换后仍旧可以播放， 避免盲目 选择的业务或内容在网络切换后可能不支持的问题， 保证 SG的有效性。 实施例二、 三是针对备选的接入关联信息为一个的情形， 当备选的第二接入分片为 两个以上时， 需要解决如何在多个中确定一个的问题。 图 4为本发明方法实施例四的流程示意图， 该实施例在实施例二的基础上增加确定 一个第二接入分片的步骤。 该实施例包括： 步骤 401-404: 与实施例二的步骤 201-204对应相同， 不再赘述。 步骤 405: UE判断是否支持网络切换， 若是， 执行步骤 406， 否则， 执行步骤 411。 其中， 与实施例二的步骤 205不同的是， 实施例二中接入关联信息为单一的标志信 息、 关联信息或者选择标准信息， 本实施例的接入关联信息为多个， 即存在两个以上的 表 1所示的标志信息， 或者存在两个以上的表 2所示的关联信息， 或者存在两个以上的表 3所示的选择标准信息， 此时， 需要在备选的两个以上的第二接入分片中确定出一个。 步骤 406: UE获取网络切换时的选择依据。 具体地， 当存在两个以上的标志信息或 者关联信息时， 由于每个标志信息或关联信息中只包含优先级信息， 因此选择依据是优 先级， UE根据优先级在两个以上的第二接入分片中选择一个第二接入分片； 当存在两个 选择标准信息时， 根据每个选择标准信息中的选择类型 （即元素 type ) 确定选择依据， 例如， 当上述的元素 type为 1时， 选择依据为优先级， 根据优先级确定第二接入分片， 此时， UE在元素 AceessIDRef指定的各第二接入分片对应的优先级选择出一个第二接入 分片， 当上述的元素 type为 3时， 选择依据为随机选择， 则随机确定第二接入分片。 步骤 407: UE判断是否存在相应选择依据下的第二接入分片， 若是， 执行步骤 408， 否则， 执行步骤 411。 例如， 采用优先级作为选择依据， 则判断相应的优先级下是否存 在第二接入分片。 步骤 408: UE判断是否查找到该选择出的第二接入分片， 若是， 执行步骤 409， 否则， 执行步骤 411。 步骤 409-411 : 与实施例二的步骤 207-209对应相同， 不再赘述。 本实施例通过获取选择依据， 可以在存在多个备选的第二接入分片时， 快速准确地 选择一个正确的第二接入分片， 进而实现业务或内容的快速过渡， 提高 UE的处理效率， 增强用户体验。 图 5为本发明方法实施例五的流程示意图， 与实施例四在实施例二的基础上增加确 定一个第二接入分片的步骤不同的是，本实施例是在实施例三的基础上增加确定一个第 二接入分片的步骤。 该实施例包括： 步骤 501-502: 与实施例三的步骤 301-302对应相同， 不再赘述。 步骤 503 : UE判断是否支持网络切换， 若是， 执行步骤 504， 否则， 执行步骤 513。 其中， UE判断的依据及接入关联信息的携带方式与实施例四的步骤 405中的对应内容相 同， 不再赘述。 步骤 504-506 : 与实施例三的步骤 304-306对应相同， 不再赘述。 步骤 507-512 : 与实施例四的步骤 406-411对应相同， 不再赘述。 步骤 513 : 与实施例三的步骤 311相同， 不再赘述。 本实施例通过获取选择依据， 可以在存在多个备选的第二接入分片时， 快速准确地 选择一个正确的第二接入分片， 进而实现业务或内容的快速过渡， 提高 UE的处理效率， 增强用户体验。 同时， 在确定 UE支持网络切换的情况下才展现 SG， 可以保证用户基于该 SG选择的业务或内容在网络切换后仍旧可以播放，避免盲目选择的业务或内容在网络切 换后可能不支持的问题， 保证 SG的有效性。 上述实施例从用户设备 UE侧描述了媒体接收的流程， 对应地， SG服务器执行的媒体 发送流程为： 步骤 A: 向用户设备发送业务指南， 所述的业务指南包括第一接入信息、 接入关联 信息和第二接入信息； 步骤 B: 发送所述第一接入信息对应的媒体， 该第一接入信息对应的媒体支持一业 务或内容； 步骤 C: 当用户设备切换时， 根据所述接入关联信息确定第二接入信息， 根据第二 接入信息向用户设备， 发送同样支持所述的业务或内容的与第二接入信息对应的媒体； 或者， 当用户设备切换时， 根据用户设备发送的第二接入信息， 向用户设备发送同样支 持所述的业务或内容的与第二接入信息对应的媒体。 其中， 第一接入信息携带在 SG的接入分片中。 当接入关联信息具体为表 1所示的业 务切换的标志信息 （HybridAccess ) 时， 该标志信息携带在 SG的业务分片或 /和内容分 片中； 当接入关联信息具体为表 2所示的业务切换的关联信息（Associat ionAccess )时， 该关联信息也携带在 SG的接入分片中； 当接入关联信息具体为表 3所示的业务切换的选 择标准信息 （AccessChoose ) 时， 该选择标准信息可以携带在业务分片或 /和内容分片 或 /和接入分片中。 SG服务器通过将接入关联信息发送给 UE，可以使 UE在媒体切换后实现业务或内容的 平滑过渡， 增强用户体验。 本领域普通技术人员可以理解： 实现上述方法实施例的全部或部分步骤可以通过程 序指令相关的硬件来完成， 前述的程序可以存储于一计算机可读取存储介质中， 该程序 在执行时， 执行包括上述方法实施例的步骤； 而前述的存储介质包括： R0M、 RAM, 磁碟 或者光盘等各种可以存储程序代码的介质。 图 6为本发明用户设备实施例的结构示意图， 包括接收模块 61、 获取模块 62和切换 模块 63。 接收模块 61接收业务指南， 所述业务指南中包括第一接入信息、 接入关联信息 和第二接入信息； 获取模块 62接收与接收模块 61接收的所述的第一接入信息对应的媒 体， 该与第一接入信息对应的媒体支持一业务或内容； 切换模块 63当进行切换时， 根据 接收模块 61接收的所述接入关联信息确定第二接入信息，接入与所述第二接入信息对应 的媒体， 该与所述第二接入信息对应的媒体同样支持该业务或内容。 其中， 所述接入关联信息可以具体为业务切换的标志信息， 接收模块 61具体用于接 收业务指南， 所述业务指南中包括业务分片或 /和内容分片及接入分片， 所述业务分片 或 /和内容分片中包括所述业务切换的标志信息， 所述接入分片中包括所述第一接入信 息。 或者， 所述接入关联信息可以具体为业务切换的关联信息； 接收模块 61具体用于接 收业务指南， 所述业务指南中包括接入分片， 所述接入分片中包括所述第一接入信息和 业务切换的关联信息。 或者， 所述接入关联信息可以具体为业务切换的选择标准信息； 接收模块 61具体用于接收业务指南， 所述业务指南中包括业务分片或 /和内容分片及接 入分片， 所述接入分片中包括所述第一接入信息， 所述业务分片或 /和内容分片或 /和接 入分片中包括所述业务切换的选择标准信息。 当业务切换的标志信息或业务切换的关联信息为两个以上时，每个业务切换的标志 信息或业务切换的关联信息中包括优先级， 获取模块 62根据所述优先级， 在至少两个的 接入关联信息中， 选择一个接入关联信息； 获取与选择后的接入关联信息对应的第二接 入信息。 当业务切换的选择标准信息为两个以上时， 每个业务切换的选择标准信息中包 括选择类型， 获取模块 62根据所述选择类型获取选择依据； 根据所述选择依据在至少两 个的接入关联信息中， 选择一个接入关联信息； 获取与选择后的接入关联信息对应的第 二接入信息。 本实施例通过获取接入关联信息， 可以实现在网络切换后业务或内容的平滑过渡， 增强用户体验。 图 7为本发明业务指南服务器实施例的结构示意图， 包括第一发送模块 71、 第二发 送模块 72和第三发送模块 73。 第一发送模块 71向用户设备发送业务指南， 该业务指南包 括第一接入信息、 接入关联信息和第二接入信息。 第二发送模块 72根据第一发送模块 71 发送的第一接入信息发送所述第一接入信息对应的媒体，该与第一接入信息对应的媒体 支持一业务或内容。 第三发送模块 73在用户设备切换时， 根据第一发送模块 71得到的所 述接入关联信息确定第二接入信息， 根据第二接入信息向用户设备， 发送与所述第二接 入信息对应的媒体， 该与第二接入信息对应的媒体同样支持该业务或内容； 或者， 第三 发送模块 73在用户设备切换时， 根据用户设备发送的第二接入信息， 向用户设备发送与 所述第二接入信息对应的媒体， 该与第二接入信息对应的媒体同样支持该业务或内容。 其中，第一发送模块 71获取的接入关联信息可以为表 1所示的业务切换的标志信息， 第一发送模块 71具体用于将所述第一接入信息携带在所述业务指南的接入分片中，将所 述业务切换的标志信息， 携带在所述业务指南的业务分片或 /和内容分片中。 或者， 第 一发送模块 71获取的接入关联信息可以为表 2所示的业务切换的关联信息， 第一发送模 块 71具体为用于将所述第一接入信息携带在所述业务指南的接入分片中，将所述业务切 换的关联信息也携带在所述业务指南的接入分片中。 或者， 第一发送模块 71获取的接入 关联信息可以为表 3所示的业务切换的选择标准信息， 第一发送模块 71具体为用于将所 述第一接入信息携带在所述业务指南的接入分片中，将所述业务切换的选择标准信息携 带在所述业务指南的业务分片或 /和内容分片或 /和接入分片中。 本实施例通过发送接入关联信息，可以使 UE实现在网络切换后业务或内容的平滑过 渡， 增强用户体验。 最后应说明的是： 以上实施例仅用以说明本发明的技术方案而非对其进行限制， 尽 管参照较佳实施例对本发明进行了详细的说明， 本领域的普通技术人员应当理解： 其依 然可以对本发明的技术方案进行修改或者等同替换，而这些修改或者等同替换亦不能使 修改后的技术方案脱离本发明技术方案的精神和范围。

Claims

权利要求
1、 一种媒体接收方法， 其特征在于， 包括：
接收业务指南，所述业务指南中包括第一接入信息、接入关联信息和第二接入信息; 接收与所述第一接入信息对应的媒体，该与第一接入信息对应的媒体支持一业务或 内容；
当进行切换时， 根据所述接入关联信息确定第二接入信息， 接入与第二接入信息对 应的媒体， 该与第二接入信息对应的媒体支持所述业务或内容。
2、 根据权利要求 1所述的方法， 其特征在于， 所述接入关联信息为业务切换的标志 信息；
所述业务指南中包括接入分片， 所述接入分片中包括所述第一接入信息， 所述业务 指南中还包括业务分片或 /和内容分片，所述业务分片或 /和内容分片中包括所述业务切 换的标志信息。
3、 根据权利要求 1所述的方法， 其特征在于， 所述接入关联信息为业务切换的关联 信息；
所述业务指南中包括接入分片，所述接入分片中包括所述第一接入信息和业务切换 的关联信息。
4、 根据权利要求 1所述的方法， 其特征在于， 所述接入关联信息为业务切换的选择 标准信息；
所述业务指南中包括接入分片，所述接入分片中包括所述第一接入信息和所述业务 切换的选择标准信息； 或者， 所述业务指南中包括接入分片， 所述业务指南还包括业务 分片或 /和内容分片， 所述接入分片中包括所述第一接入信息， 所述业务分片或 /和内容 分片中包括所述业务切换的选择标准信息。
5、 根据权利要求 2或 3所述的方法， 其特征在于， 所述接入关联信息为至少两个， 每个接入关联信息中包括各自的优先级；
所述根据所述接入关联信息确定第二接入信息为： 根据所述优先级， 在至少两个的 接入关联信息中， 选择一个接入关联信息； 获取与选择后的接入关联信息对应的第二接 入信息。
6、 根据权利要求 4所述的方法， 其特征在于， 所述接入关联信息为至少两个， 每个 接入关联信息中包括选择类型； 所述根据所述接入关联信息确定第二接入信息为： 根据所述选择类型获取选择依 据； 根据所述选择依据在至少两个的接入关联信息中， 选择一个接入关联信息； 获取与 选择后的接入关联信息对应的第二接入信息。
7、 一种媒体发送方法， 其特征在于， 包括：
向用户设备发送业务指南， 所述业务指南包括第一接入信息、 接入关联信息和第二 接入信息；
发送与所述第一接入信息对应的媒体，该与第一接入信息对应的媒体支持一业务或 内容；
当用户设备切换时， 向用户设备发送与所述第二接入信息对应的媒体， 该与第二接 入信息对应的媒体支持所述业务或内容。
8、 根据权利要求 7所述的方法， 其特征在于， 所述接入关联信息为业务切换的标志 信息；
所述向用户设备发送业务指南为：将所述第一接入信息携带在所述业务指南的接入 分片中，将所述业务切换的标志信息携带在所述业务指南的业务分片或 /和内容分片中， 向用户设备发送业务指南。
9、 根据权利要求 7所述的方法， 其特征在于， 所述接入关联信息为业务切换的关联 信息；
所述向用户设备发送业务指南为：将所述第一接入信息和业务切换的关联信息携带 在所述业务指南的接入分片中， 向用户设备发送业务指南。
10、 根据权利要求 7所述的方法， 其特征在于， 所述接入关联信息为业务切换的选 择标准信息；
所述向用户设备发送业务指南为：将所述第一接入信息携带在所述业务指南的接入 分片中， 将所述业务切换的选择标准信息携带在所述业务指南的业务分片、 内容分片和 接入分片中的至少一个中， 向用户设备发送业务指南。
11、 一种用户设备， 其特征在于， 包括：
接收模块， 用于接收业务指南， 所述业务指南中包括第一接入信息、 接入关联信息 和第二接入信息；
获取模块， 用于接收与所述的第一接入信息对应的媒体， 该与第一接入信息对应的 媒体支持一业务或内容； 切换模块， 用于当进行切换时， 根据所述接入关联信息确定第二接入信息， 接入与 第二接入信息对应的媒体， 该与第二接入信息对应的媒体支持所述业务或内容。
12、 一种业务指南服务器， 其特征在于， 包括：
第一发送模块，用于向用户设备发送业务指南，所述的业务指南包括第一接入信息、 接入关联信息和第二接入信息；
第二发送模块， 用于发送与所述第一接入信息对应的媒体， 该与第一接入信息对应 的媒体支持一业务或内容；
第三发送模块， 用于当用户设备切换时， 向用户设备发送与所述第二接入信息对应 的媒体， 该与第二接入信息对应的媒体支持所述业务或内容。
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US20110265122A1 (en) 2011-10-27
US20120167138A9 (en) 2012-06-28

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