EP2022196A1 - Procede de mise a jour et procede de controle d'une mise a jour d'au moins un element de donnee dans un carrousel de donnees, ainsi que le premier dispositif, le deuxieme dispositif et un flux de donnees correspondants - Google Patents

Procede de mise a jour et procede de controle d'une mise a jour d'au moins un element de donnee dans un carrousel de donnees, ainsi que le premier dispositif, le deuxieme dispositif et un flux de donnees correspondants

Info

Publication number
EP2022196A1
EP2022196A1 EP07728954A EP07728954A EP2022196A1 EP 2022196 A1 EP2022196 A1 EP 2022196A1 EP 07728954 A EP07728954 A EP 07728954A EP 07728954 A EP07728954 A EP 07728954A EP 2022196 A1 EP2022196 A1 EP 2022196A1
Authority
EP
European Patent Office
Prior art keywords
data
updating
group
update
time
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
EP07728954A
Other languages
German (de)
English (en)
Inventor
Jörg Heuer
Georges Martinez
Uwe Rauschenbach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Motorola Mobility LLC
Original Assignee
Siemens AG
Motorola Inc
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 Siemens AG, Motorola Inc filed Critical Siemens AG
Publication of EP2022196A1 publication Critical patent/EP2022196A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H04H60/25—Arrangements for updating broadcast information or broadcast-related information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/16—Arrangements for broadcast or for distribution of identical information repeatedly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/42—Arrangements for resource management
    • H04H20/426—Receiver side
    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23614—Multiplexing of additional data and video streams
    • H04N21/23617—Multiplexing of additional data and video streams by inserting additional data into a data carousel, e.g. inserting software modules into a DVB carousel
    • 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
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/26291—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
    • 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/09—Arrangements for receiving desired information automatically according to timetables

Definitions

  • the invention relates to a method and a first device for updating at least one data element in a data carousel and to a method and a second device for checking an updating of at least one data element in a data carousel. Furthermore, the invention relates to a data stream.
  • a broadcast system such as a broadcast system according to a DVB standard (DVB - Digital Video Broadcast) [1] or OMA standard (OMA - Open Mobile Alliance) [2], for example, an electronic service directory, ie an Electronic Service Guide (ESG), in a data carousel.
  • ESG Electronic Service Guide
  • This data carousel cyclically makes items contained therein available to a terminal.
  • the elements of the data carousel can be accompanied by a version number which enables a detection of a change of data elements.
  • it can be recognized by the version number or by the existence of a new data element, whether the current service directory of the data carousel has a new information compared to an already received service directory.
  • the data carousel is checked at intervals for changes, ie new information.
  • it can be specified in a global guideline, in which fixed interval a check should take place.
  • This global policy is, for example, fixed by a standard or in an implementation guideline, eg a check should be made every 30 minutes. Because of the rigidly fixed time intervals by the global Directive, it is not possible to adjust the time intervals for the review.
  • the elements of the data carousel can be given a respective validity period which indicates that the element should no longer be used after the expiry of the respective validity period.
  • the validity period indicates that it is not planned to change the element at least until the expiry date.
  • a validity of the element can go far beyond the respective validity period.
  • it is disadvantageous that a message for checking the elements before expiration of the period of validity is not possible.
  • the terminal in the case of an irregular update of an element within the data carousel, i. in the event of an unforeseeable change in the element, the terminal can not be instructed to check the actuality of the elements before the expiry of the respective validity period.
  • this approach is characterized by a high administrative administrative expenditure of the respective period of validity and by a high bandwidth requirement for the transmission of the period of validity of the elements.
  • the invention has for its object to provide a method and a transmitter device and a receiver device, which allows a high flexibility in receiving updated elements in a data carousel.
  • the invention relates to a method for updating at least one data element in a data carousel, in which an updating element is added to the data carousel for at least one group of at least one data element, wherein the updating element has either an actuator. l Deutschenszeittician at least one of the data elements of the group, or displays a time interval for performing checks of an update of at least one of the data elements of the group.
  • the invention also comprises a method for checking an updating of a data element in a data carousel, in which, based on an updating element added for at least one group of at least one data element in the data carousel, the checking of the at least one data element is carried out, wherein the updating element displays an updating time of at least one of the data elements of the group, and / or a time interval for performing checks of an updating of at least one data element of the group.
  • the respective method achieves a high degree of flexibility in the reception of elements of the data carousel to be updated, since an update time or the time interval for carrying out at least one next update can be determined individually for the group of data elements.
  • the update time and / or the time interval can be set and evaluated separately for each group.
  • the use of the respective method enables rapid access to updated data elements, since a determination of the update, by means of the update time and / or the time interval, can not be specified by means of a global input but individually for the group.
  • the group comprises one or more data elements, these data elements being arbitrary arrangement in the carousel can be transmitted, such as, in terms of time directly consecutive.
  • the updating time of the data element is indicated by a relative time or by an absolute time. This makes it possible to determine an exact time at which the update takes place.
  • a check of a data carousel for determining a time of the first update in respective test intervals is carried out, wherein in particular a time duration of the test interval is shorter than a time duration of the time interval
  • a time of a next check is determined by adding the time interval (F) at the time of the first update.
  • a status element is added to the data carousel for updating the group for the respective method, the status element indicating a regular or an irregular updating of at least one of the data elements of the group, wherein the updating based on the activation element is only performed during the regular update becomes.
  • an associated updating element and / or an associated status element is added to a respective group of data elements.
  • the invention further comprises a first device for carrying out a method for updating at least one data element in a data carousel, in which a first means is suitable for adding an updating element into the data carousel for at least one group of at least one data element Update element an update time of at least one of the data elements of the group, and / or a time interval for performing
  • the invention also includes a second device for carrying out a check of an updating of a data element in a data carousel, in which a second means is suitable, based on an updating element added for at least one group of at least one data element in the data carousel, performing the verification of the at least one data element, wherein the updating element displays an update time of at least one of the data elements of the group, and / or a time interval for performing checks on an update of at least one data element of the group.
  • the first and / or second device may be implemented and executed in hardware and / or software or in a combination of hardware and software.
  • the first device is, for example, in a DVB transmitter or a server of a integrated streaming service and executed.
  • the second device may be part of a DVB receiver unit of a set-top box or a portable receiver, in particular a mobile telephone.
  • the invention comprises a data stream which has an updating element in the data carousel for at least one group of at least one data element, the updating element having an updating time of at least one of the data elements of the group, and / or
  • Time interval for performing checks of an update of at least one of the data elements of the group indicates.
  • This data stream is transmitted, for example, via an IP-based network (IP-Internet Protocol), via WLAN (WLAN - Wireless Local Area Network) or UMTS (UMTS - Universal Mobile Telecommunications System).
  • IP-based network IP-Internet Protocol
  • WLAN WLAN - Wireless Local Area Network
  • UMTS UMTS - Universal Mobile Telecommunications System
  • the data stream can be realized digitally by individual bits or bytes.
  • the data stream comprises a status element for updating the group in the data carousel, wherein the
  • Status element indicates a regular or an irregular update of at least one of the data elements of the group.
  • the regular or an irregular updating of the first device e.g. a transmitter
  • the second device for example a receiver.
  • elements such as, for example, data elements El, E2, E3, written in a memory and clockwise, indicated by a curved arrow, read out.
  • the ring buffer and the linear readout of the elements contained in the ring memory represents a data carousel K, in which elements are cyclically output and sent to a receiver, eg a DVB receiver.
  • the data elements El, E2, E3 represent objects of an electronic service directory, i. an Electronic Service Guide (ESG). These are grouped together in a group Gl, the group G1 comprising at least a single data element.
  • the group G1 is assigned an activation element AE, which is also inserted in the carousel K. In the figure, it is indicated by means of a dashed arrow that the activation element AE refers to the group G1.
  • a cyclic transmission of the elements of the data carousel K in this embodiment has the following appearance, wherein the transmission is from left to right:
  • the activation element AE indicates to which future activation time T the transmitter decides on a scheduled basis whether it updates at least one of the data elements E1 of the group G1. This is accomplished by an absolute time ZA.
  • the absolute time ZA can be specified in a format NTP standard (NTP - Network Time Protocol) [3].
  • NTP NTP - Network Time Protocol
  • the activation element indicates that the update takes place in 18 minutes.
  • the relative time represents a period of time that is also known by a receiver. point is read, for example, the time of receipt of the activation element.
  • a second device V2 which comprises at least one second means M2, is able to determine the point in time at which a change of at least one element in the data carousel takes place on schedule.
  • the second device V2 up to the activation time T in a wait state against gene and thus save computing power.
  • this is defined by a time interval F for checking an update of at least one of the data elements of the group G1.
  • the group G1 becomes one
  • Status element SE assigned indicating whether an update of at least one of the data elements of the group Gl is regular or irregular. Irregular updating of the data element within the data carousel results in an unpredictable change in the data element, e.g. due to a current event, which can not be planned. This can be a hot news policy item described by the data item.
  • a regular update of the data element within the data carousel results, for example, in a predeterminable change of the data element. Describes the data element, for example, a currently broadcast a broadcast channel, this description will be updated when changing the broadcast program. This corresponds, for example, to the ESG. In the figure, by means of a dotted - gestri- The arrow indicates that the status element SE refers to the group G1.
  • the status element SE is evaluated. If a current update is an irregular update, then a time of a current update for determining a next time for a subsequent update using the time interval is disregarded. In the case of a regular current update, the time of the current update is used to determine the next time for a subsequent update using the time interval F.
  • the status element SE can be used when synchronizing the second device V2 to the data carousel K.
  • the device V2 reads in the elements of the data carousel which are transmitted cyclically.
  • the second device V2 is another time for a subsequent update by means of the time interval unknown since it does not know the last time of an update.
  • the second device V2 checks in test intervals, which can be shorter compared to the time interval F, for example every 2 minutes, if at least one element of the group has been updated. If the update is detected, it is checked whether this update was irregular. If this is the case, then the time interval between the test interval and a regular update becomes
  • the data stream BS comprises at least the group G1 with at least one data element E1 and the activation element AE. Furthermore, the data stream BS can have the status element SE.
  • the creation of the data stream BS can be accomplished by a first means M1 of a first device V1.
  • the data stream BS can be received by the second means M2 of the second device V2 and inserted into the data carousel K and / or evaluated.
  • the first means M1 of the first device V1 carries out the updating of the at least one data element in the group, wherein the first means generates the updating element AE and / or the status element SE and enters it into the data bus cable.
  • a data carousel K is shown in each case for the first and the second device. If, during a transmission of the data stream BS from the first device, for example a transmitter, to the second device, for example a
  • each group G1, G2 is formed, such as, for example, group G1 with the data elements E1, E2, E3 and group G2 with the data elements E4 and E5.
  • Each group is assigned its own activation element AE, AE1, AE2
  • each group can be assigned a status element SE, SEI, SE2, such as the status element SEI of the group G1 and the status element SE2 of the group G2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un procédé et un premier dispositif pour la mise à jour d'au moins un élément de donnée dans un carrousel de données, dans lequel un élément de mise à jour est ajouté pour au moins un groupe d'au moins un élément de donnée dans le carrousel de données, l'élément de mise à jour affichant au moins un instant de mise à jour d'au moins un des éléments de donnée du groupe, ou un intervalle de temps pour effectuer des contrôles d'une mise à jour d'au moins un des éléments de donnée du groupe. En outre, l'invention concerne un procédé et un deuxième dispositif de contrôle d'une mise à jour d'un élément de donnée dans un carrousel de données, le contrôle dudit au moins un élément de donnée étant effectué sur la base d'un élément de mise à jour, qui est ajouté pour au moins un groupe d'éléments de données dans le carrousel de données. Enfin, l'invention concerne un flux de données, qui comporte un élément de mise à jour pour au moins un élément de donnée dans le carrousel de données.
EP07728954A 2006-05-12 2007-05-09 Procede de mise a jour et procede de controle d'une mise a jour d'au moins un element de donnee dans un carrousel de donnees, ainsi que le premier dispositif, le deuxieme dispositif et un flux de donnees correspondants Ceased EP2022196A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006022704A DE102006022704A1 (de) 2006-05-12 2006-05-12 Verfahren zur Aktualisierung und Verfahren zur Überprüfung einer Aktualisierung zumindest eines Datenelements in einem Datenkarussell, sowie dazugehörige erste Vorrichtung, zweite Vorrichtung und einen Datenstrom
PCT/EP2007/054502 WO2007131927A1 (fr) 2006-05-12 2007-05-09 Procédé de mise à jour et procédé de contrôle d'une mise à jour d'au moins un élément de donnée dans un carrousel de données, ainsi que le premier dispositif, le deuxième dispositif et un flux de données correspondants.

Publications (1)

Publication Number Publication Date
EP2022196A1 true EP2022196A1 (fr) 2009-02-11

Family

ID=38308754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07728954A Ceased EP2022196A1 (fr) 2006-05-12 2007-05-09 Procede de mise a jour et procede de controle d'une mise a jour d'au moins un element de donnee dans un carrousel de donnees, ainsi que le premier dispositif, le deuxieme dispositif et un flux de donnees correspondants

Country Status (4)

Country Link
US (1) US9319160B2 (fr)
EP (1) EP2022196A1 (fr)
DE (1) DE102006022704A1 (fr)
WO (1) WO2007131927A1 (fr)

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CN101494510B (zh) * 2008-01-25 2011-07-13 中兴通讯股份有限公司 一种信息轮播方法及系统
US9912540B2 (en) 2012-09-19 2018-03-06 Qualcomm Incorporated Signaling of refresh rate for efficient data update in distributed computing environments
CN111563213B (zh) * 2020-03-27 2023-09-12 杭州睿疆科技有限公司 页面轮播的方法、装置、计算机设备和可读存储介质

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Also Published As

Publication number Publication date
US9319160B2 (en) 2016-04-19
WO2007131927A1 (fr) 2007-11-22
DE102006022704A1 (de) 2007-11-15
US20100037262A1 (en) 2010-02-11

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