WO2007139572A1 - Système et procédé de signalisation d'application dynamique dans des réseaux de service de télévision par internet (iptv) large bande - Google Patents

Système et procédé de signalisation d'application dynamique dans des réseaux de service de télévision par internet (iptv) large bande Download PDF

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Publication number
WO2007139572A1
WO2007139572A1 PCT/US2006/036277 US2006036277W WO2007139572A1 WO 2007139572 A1 WO2007139572 A1 WO 2007139572A1 US 2006036277 W US2006036277 W US 2006036277W WO 2007139572 A1 WO2007139572 A1 WO 2007139572A1
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WO
WIPO (PCT)
Prior art keywords
accordance
binaries
receiving
application
data
Prior art date
Application number
PCT/US2006/036277
Other languages
English (en)
Inventor
Edward C. Drake
Hans E. Wald
Original Assignee
Nokia Siemens Networks Gmbh & Co. Kg
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 Nokia Siemens Networks Gmbh & Co. Kg filed Critical Nokia Siemens Networks Gmbh & Co. Kg
Publication of WO2007139572A1 publication Critical patent/WO2007139572A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • 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
    • H04N21/26606—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 for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • 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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • 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
    • 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
    • H04N21/4627—Rights management associated to the content
    • 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
    • H04N21/64—Addressing
    • H04N21/6405—Multicasting

Definitions

  • This invention relates to Internet Protocol television (IPTV) systems. More particularly, the invention relates to systems and methods for dynamically deploying applications in an IPTV system.
  • IPTV Internet Protocol television
  • IPTV Internet Protocol television
  • a client application management function detects the presence of a deployed application on the network via signaling; the application may then be downloaded and executed.
  • MHP Multimedia Home Platform
  • AIT Application Information Table
  • a system and method according to embodiments of the present invention provides a network-based, on-demand access to applications, which install themselves dynamically to become resident on client terminal devices. Memory is conserved on the client terminal devices since resident applications are only made up of those that have been entitled.
  • Embodiments of the present invention improve upon the signaling used in cable and satellite systems by providing an out-of-band distribution mechanism that relies on data distribution protocols and is not constrained by bandwidth in the way that cable is. Moreover, a mechanism is provided that allows operators to deploy applications independently of the video programming.
  • a method includes publishing application binaries and data to a back office repository; retrieving the application binaries and data to an application repository; multicasting availability of the application binaries and data to a multicast group including a plurality of client terminals; downloading the application binaries and data to a client terminal associated with a subscriber to a service that implements the application binaries and data and who is entitled to receive the application binaries and data; and wherein said downloading occurs out-of-band at the client terminal with reception of one or more video streams.
  • a method includes subscribing, at a client device, to one or more services associated with one or more video streams; receiving one or more video streams at the client device; and receiving one or more data signals at the client device associated with the one or more services after determining the client device has subscribed to the associated one or more services; wherein said receiving is out-of-band with the one or more video streams.
  • a system includes one or more client devices configured to receive one or more video streams; a first repository associated with a back office configured to receive one or more binaries; a messaging framework including a second repository for receiving the one or more binaries from the first repository and configured to signal availability of the one or more binaries to the one or more client devices and transmit the one or more binaries to the one or more client devices out of band with the one or more video streams.
  • FIG. 1 illustrates an exemplary system according to an embodiment of the present invention.
  • FIG. 2 illustrates an exemplary user interface for use with a system in accordance with embodiments of the present invention.
  • FIG. 3 is a flowchart illustrating operation of an embodiment of the present invention.
  • FIG. 4A-FIG. 4B illustrate an exemplary media distribution system that may be used in with a personal video recorder system according to embodiments of the present invention.
  • FIG. 5A- FIG. 5B is a diagrammatic representation of a user station and system that may be used to implement methods according to embodiments of the present invention.
  • FIG. 1 a diagram of a system in accordance with embodiments of the present invention and generally identified with the reference numeral 100 is shown.
  • the system 100 includes a "back office" service 102, which may be embodied as a server operated at or by an IPTV operator or service provider.
  • the back office service 102 may implement, for example, various administrative functions related to system operations.
  • the back office service 102 may be coupled to or in communication with a back office repository 103, which may be implemented as one or more memory devices for storing system and application content and/or data.
  • One or more content or data files 104 may be published to the back office service 102, as will be explained in greater detail below.
  • content files 104 may include one or more application binaries 118 and application metadata 120.
  • the back office service 102 may include one or more web service APIs 114 for receiving the content files 104.
  • the back office service 102 may also or alternatively include a graphical user interface (GUI) front end 116 for receiving the files 104.
  • GUI graphical user interface
  • the system 100 also includes a messaging framework 106 in accordance with embodiments of the present invention.
  • the messaging framework 106 may include one or more APIs 122 for handling communication with the back office service 102; an application signaling unit 126 for signaling availability of content onto a network 108; and an application transmission unit 124 for transmitting content on the network 108 to one or more user or client devices or terminals 110.
  • the network 108 may be embodied, for example, as a packet switched Internet Protocol (IP) network.
  • IP Internet Protocol
  • the client devices 110 may be implemented as one or more set top boxes that may be coupled to or in communication with one or more televisions (not shown) for viewing or receiving the content.
  • the client devices 110 may each include a user interface component (not shown) that can provide or modify content being provided to the television associated with the client device (e.g., to display a menu of services or to select one or multiple channels from content provided by a third party).
  • the user device 110 may be connected to or in communication with one or more switched telephone network central offices (not shown) via, e.g., one or more DSL (digital subscriber line) lines.
  • DSL digital subscriber line
  • packet-switched IP data routing is used to provide information about viewer interactions (e.g., content selection and other content viewing interactions), such as for viewers that are subscribers of a service providing various types of content and content-related services.
  • the user devices 110 may receive one or more media streams 112.
  • the media streams provided to the client devices 110 are implemented using the MPEG-2 standard.
  • Such media streams 112 can include, for example, video broadcasts such as single- channel or multi-channel television programming, single-channel or multichannel audio broadcasts, audio-on-demand, video-on-demand, Internet- based content, voice over IP, etc.
  • content 104 can be published to the back office service 102, i.e., loaded to the back office repository 103. Publishing can occur through the API 114 or directly using the GUI front end 116.
  • the back office service 102 notifies the messaging framework 106 that the content 104 is available.
  • the messaging framework 106 retrieves the content 104 and stores it in the application repository 128.
  • the messaging framework 106 then signals onto the network 108 that the content is available. As will be explained in greater detail below, this may be accomplished using an IP multicast, which transmits a file periodically to a multicast group to which every client device 110 is a member.
  • the session announcement protocol may be employed.
  • a subscriber associated with a client device 110 will receive a notification that it is entitled to download it.
  • the client device 110 will then communicate over the network 108 to receive the content from the messaging framework 106.
  • the content is sent to the client device 106 out-of-band with the video programming 112. That is, in some embodiments, the content is sent outside, e.g., an MPEG-2 video stream.
  • the content is transmitted using Session Announcement Protocol and an IP multicast, with client device subscribers being group members for receiving the content. In other embodiments, unicast may be used for delivery.
  • the content 104 can be embodied not only as application binaries and metadata, but also or alternatively, as multimedia content.
  • the principles of the present invention could be applied to a distributed video on demand server cluster that needs common content propagated among various video server nodes. Video server nodes which are not entitled to receive the content (due, e.g., to franchise rights or other issues) would not download the content.
  • FIG. 2 a flowchart 200 illustrating operation of embodiment of the present invention is shown.
  • the particular arrangement of elements in the flowchart 200 is not meant to imply a fixed order to the elements; embodiments can be practiced in any order that is practicable.
  • a user of a client device 110 can subscribe to receive a service.
  • a user may communicate with the back office service 102 using a web browser or other type interface.
  • the subscriber may receive an entitlement message from the back office service 102 indicating that it is entitled to receive programs, signaling, and other data related to the subscribed-to service. Such entitlement would typically identify the service and in some embodiments a subscription level.
  • a subscriber application manager (not shown) at the client device 110 receives the message. This subscription application manager will then be able to "listen" for signaling of messages and identify which applications/content it is allowed to download.
  • the subscription application manager receives signaling from the messaging framework 106 indicating that content is available for downloading. As discussed above, this may be done through an IP multicasting format.
  • the content, related to service to which a user has subscribed may be downloaded to the client device 110, again, for example, using an IP multicast.
  • FIG. 3 a flowchart 300 illustrating operation of embodiment of the present invention is shown.
  • the particular arrangement of elements in the flowchart 300 is not meant to imply a fixed order to the elements; embodiments can be practiced in any order that is practicable.
  • a process step 302 data such as application binaries and metadata (or other content) is published to the back office service 102 (See A in FIG. 1). As discussed above, this can include either direct submission via a front end GUI 116 or via a suitable API 114. The content is stored in a repository 103.
  • the back office service 102 notifies the messaging framework 106 that suitable application binaries and metadata are available (B).
  • the messaging framework 106 retrieves the binaries and metadata (C) from the back office repository and stores them in an application repository 128 (D).
  • the application is signaled onto the network 108 (E). As noted above, this can include an IP multicast to all user devices.
  • the client device 110 receives an entitlement message (F), indicating it is entitled to receive a particular application.
  • FIG. 4A depicts a representative environment according to the invention.
  • This ATM network is capable of fiber data rates of OC3, OC12, OC48, OC192 or as is available in the art.
  • a plurality of content providers place information onto ATM network 400. Typical sources of content served include broadcast information 402, Internet information 404, telenetwork 406, broadcast content 408, and video 410.
  • a plurality of ATM switches 412 interface with network 400 to receive and distribute data from the various content sources.
  • a messaging framework 106 and back office 102, including associated repositories, in accordance with embodiments of the present invention may be located upnetwork from the end user.
  • DSL modems 414 connect via DSL twisted pair lines 618 to a plurality of modems 416 in various subscribers residences or establishments.
  • the system of embodiments of the present invention may thus be operable on or in association with devices such as telephone 420, television with set top box 422, and/or computer 424.
  • FIG. 4B depicts an overview of a digital programming content distribution system according to a particular embodiment of the present invention.
  • One or more central channel server(s) 450 which may implement the back office and messaging framework described herein, collect(s) information about available programming services distributed from a multiplicity of content providers 460. In a preferable embodiment, this information is multicast by the content providers.
  • Channel server 450 maintains a channel list database 470 which tracks available content channel offerings and a subscriber database 480, which contains subscriber identifications and permitted channels for each subscriber. Subscribers interact with central channel server 450 to obtain programming content information, and with content providers 460 to obtain programs.
  • the messaging framework 104 and back office 102 may be implemented as part of or in conjunction with the central channel servers 450. Alternatively, these may be implemented in conjunction with the central office 490.
  • the channel server 480 and content providers 460 may be co- located on the same machine, or may reside on separate machines.
  • control unit of FIG. 5A represents, for example, a set top box or a server.
  • a control unit 10 includes bus 12, which is shown schematically as a single bus, but can also be a number of buses such as a local bus and one or more expansion buses (e.g., ADB, SCSI, ISA, EISA, MCA, NuBus, or PCI), which interconnect subsystems such as a central processor 14, which may be an 80x89, 98xxx, RISC, Pentium family, or other suitable microprocessor family, system memory 19, which may be RAM, ROM, or a combination thereof, input/output (I/O) controller 18, an external device such as a serial port 28, such as a USB port, and parallel port 32, detachable keyboard 30, mouse 29, fixed disk drive 32, which may be a hard disk drive or an optical drive or a CD-ROM or DVD-ROM drive or other suitable medium; and a floppy disk drive 33 operative to receive a floppy disk.
  • bus 12 is shown schematically as a single bus, but can also be a number of buses such as a local bus and one
  • Network connections are usually established through one or more network adapters 44 attached to one of the buses or a modem on a serial port.
  • Network adapters may include 10 Base T, 100 Base T, optical, ATM, DSL, or other network formats.
  • MPEG decoder 39 and audio subsystem 42 coupled via bus 12 provide multimedia capability. Many other devices can be connected such as fax 38 connected via serial port 28, touch screen 40 connected directly, infrared peripheral support 34 or printer 20, connected through parallel port 22. Other devices or subsystems (not shown) may be connected in a similar manner. Also, it is not necessary for all of the devices shown in FIG. 5A to be present to practice the invention. The devices and subsystems may be interconnected in different ways from that shown in FIG. 5A without impairing the operation of the system. Source code to implement processing functions in accordance with the present invention may be operably disposed in system memory 16 or stored on storage media such as fixed disk 32 or floppy disk 33.
  • Video interface 33 may be any standard video format, such as S- video.
  • Various forms of user input devices may be used with the set top box and/or server.
  • a touch screen allows a user to point to objects on the screen to select the object and to move the selected object by pointing to a second position on the screen.
  • an infrared or other coupled handheld control unit may be interfaced with the STB or server allowing the user to interact with the unit, make changes, and indicate preferences.
  • Various buttons and controls may be displayed on the screen for activation by using the mouse, touch screen, or a remote control via infrared IF 34.
  • operating system software may be PSOS, DOS, UNIX, WINDOWS95, WINDOWS CE, WINDOWS XP, or other operating systems known in the art.
  • IP Multicast capable TCP/IP software 512 manages the flow of information into and out of the control unit over the network interface 44.
  • a JAVA enabled Internet browser 514 such as Netscape Navigator Microsoft Explorer or their equivalent in the art provide a web-browser user interface to networked resources through TCP/IP software 512.
  • Client control code 519 implements functions specific to the set top box or server operation, such as the processes depicted herein. Output is provided by user interface 518 in conjunction with Video Interface Code 520. Other clients 522 such as email, facsimile, video conferencing applications or voice mail may also be supported.
  • the functions of the set top unit are integrated into a television, forming an Internet capable, interactive "Smart Television.”
  • the functions of the set top unit are integrated into a personal computer, forming an Internet- capable, interactive "Workstation Television.”

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un procédé qui comprend la publication de binaires d'application (118) et de données (120) à un référentiel d'arrière plan (107); l'extraction des binaires d'application (118) et les données (120) d'un référentiel d'applications (128); la multidiffusion de la disponibilité des binaires d'applications (118) et des données (120) à un groupe de multidiffusion comprenant une pluralité de terminaux clients (110); le téléchargement des binaires d'application (118) et des données (120) à un terminal client (110) associé à un abonné à un service qui met en oœvre les binaires d'application (118) et les données (120) et qui est autorisé à recevoir les binaires d'application (118) et les données (120); et ledit téléchargement se produit hors bande au terminal client (110) avec réception d'un ou plusieurs flux vidéo (112).
PCT/US2006/036277 2006-05-25 2006-09-15 Système et procédé de signalisation d'application dynamique dans des réseaux de service de télévision par internet (iptv) large bande WO2007139572A1 (fr)

Applications Claiming Priority (2)

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US80868506P 2006-05-25 2006-05-25
US60/808,685 2006-05-25

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WO2007139572A1 true WO2007139572A1 (fr) 2007-12-06

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
US20110016501A1 (en) * 2008-03-28 2011-01-20 Samsung Electronics Co., Ltd. Data receiving method and device for applications providing an iptv communications service

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110016501A1 (en) * 2008-03-28 2011-01-20 Samsung Electronics Co., Ltd. Data receiving method and device for applications providing an iptv communications service
US9271053B2 (en) * 2008-03-28 2016-02-23 Samsung Electronics Co., Ltd. Data receiving method and device for applications providing an IPTV communications service

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