EP1836846A1 - Procede et appareil de gestion de ressources pour un recepteur de diffusion de donnees - Google Patents

Procede et appareil de gestion de ressources pour un recepteur de diffusion de donnees

Info

Publication number
EP1836846A1
EP1836846A1 EP06702712A EP06702712A EP1836846A1 EP 1836846 A1 EP1836846 A1 EP 1836846A1 EP 06702712 A EP06702712 A EP 06702712A EP 06702712 A EP06702712 A EP 06702712A EP 1836846 A1 EP1836846 A1 EP 1836846A1
Authority
EP
European Patent Office
Prior art keywords
resource
group
resources
application
ownership
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
EP06702712A
Other languages
German (de)
English (en)
Other versions
EP1836846A4 (fr
Inventor
Kyu-tae 108-204 Cheonggu Narae Apt. YANG
Bong-ho 512-1108 Cheongsol Apt. LEE
Gwang-Soon Lee
Young-kwon 133-101 Hanbit Apt. HAHM
Soo-In Lee
Do-Hyung 18f Nara Investment Banking Corp. KIM
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.)
Alticast Corp
Original Assignee
Electronics and Telecommunications Research Institute ETRI
Alticast Corp
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 Electronics and Telecommunications Research Institute ETRI, Alticast Corp filed Critical Electronics and Telecommunications Research Institute ETRI
Publication of EP1836846A1 publication Critical patent/EP1836846A1/fr
Publication of EP1836846A4 publication Critical patent/EP1836846A4/fr
Ceased legal-status Critical Current

Links

Classifications

    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8166—Monomedia components thereof involving executable data, e.g. software
    • H04N21/818—OS software
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
    • G06F9/5038—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the execution order of a plurality of tasks, e.g. taking priority or time dependency constraints into consideration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2209/00—Indexing scheme relating to G06F9/00
    • G06F2209/50—Indexing scheme relating to G06F9/50
    • G06F2209/506—Constraint
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0064—Magnetic structures combining different functions, e.g. storage, filtering or transformation

Definitions

  • the present invention relates to an apparatus and method for managing resources in a data broadcast receiving device ; and more particularly, to a resource management apparatus for controlling the ownership and right to make use of resources that an application should use in a data broadcast receiver , such as a Digital Multimedia Broadcasting ( DMB ) executing a plurality of applications , and a method thereof .
  • DMB Digital Multimedia Broadcasting
  • Data broadcast independently sends a data file and executable program codes in real-time in addition to traditional broadcast that broadcasts video and audio such as television and radio .
  • a data broadcast receiving device receives and analyzes the data file and the program codes , then it displays accordingly .
  • the data broadcast receiving device analyzes the program codes , shows them to a user through a graphic user interface , and operates upon input from the user .
  • DVB-MHP Multimedia Home Platform
  • DVB-MHP Multimedia Home Platform
  • the specification features transmitting Java applications through the DMB broadcasting network, and it is designed for the transmitted Java program to receive diverse types of data such as image and control the data broadcast receiving device .
  • OCAP OpenCable Application Plateform
  • ACAP Advanced Common Application Platform
  • DMB Digital Multimedia Broadcasting
  • the DMB MATE receives Java programs and data based on Java-based specifications through the DMB broadcasting network and controls the data broadcast receiving device to thereby provide diverse services to users .
  • DAVIC DAVIC
  • DAVIC DAVIC Council
  • middleware can provide resources desired by an application
  • the application requests and acquires the resources , uses them for a required time , and then returns the resources to the middleware after using them.
  • an application acquires a resource and another application requests the resource again before the first application preoccupying the resource returns the resource .
  • This model provides a method determining which of the two applications will have the resource by exchanging messages .
  • this model has a problem that none of the applications can be executed in case that a plurality of applications should acquire more than two resources to begin operation , or in case that an application is deprived of the acquired resource while it requests other resources .
  • the other method is that the data broadcast middleware requests and acquires resources needed for work on a basis of individual work that the data broadcast middleware provides to an application .
  • An example of this method is a resource management model suggested in the DAB- Java by the WorldDAB , which is a standardization organization related to digital radio technology .
  • an application does not request a resource when it is in need of the resource for a particular work, but it requests the execution of the work.
  • a data broadcast middleware controls the ownership of the resource , which is needed for the work, in a similar way as the first method .
  • resources can be processed by being grouped into a bunch within one sort of work, but the logical work unit of the application may be formed of a plurality of works executed in the data broadcast receiving device , there is the same problem as that of the first method that none of applications acquires resources in need or subsequent work is stopped due to lack of resources .
  • an object of the present invention to provide a resource management apparatus for a data broadcast receiving device that can make an application use resources efficiently by categorizing one or more resources into an essential group and an optional group and managing and distributing them on a group basis , and clearly control and distribute resources requested essentially or optionally by a predetermined application based on a policy, and a method thereof .
  • the other objects and advantages will be able to be understood by the following description and embodiments . Also, it is obvious to those skilled in the art that the objects and advantages of the present invention can be realized by the means as claimed and combinations thereof .
  • a resource managing apparatus for receiving a request for resources required by an application and distributing the resources on a group basis in a data broadcast receiving device , which includes : a resource request receiving unit for receiving the request for resources required by an application on a group basis ; and a resource distributing unit for distributing the resources corresponding to the group unit to the application .
  • a resource managing method for receiving a request for resources required by an application and distributing the resources on a group basis in a data broadcast receiving device which includes the steps of : a ) receiving the request for resources requested by an application on a group basis ; and b ) distributing resources corresponding to the group unit to the application .
  • the present invention described above can increase resource applicability in a data broadcast receiving device capable of executing a plurality of applications simultaneously by grouping resources into an essential group and an optional group for each application and requesting , acquiring , and abandoning resources on a group basis .
  • the present invention can also simplify the application and the data broadcast receiving device and enhance a process efficiency additionally .
  • the present invention solves the problem of inefficient use of resources , which is caused as an application acquires only part of essential resources and removes inefficiency that the resource ownership is managed on an individual resource basis by dividing resources into essential resources that the application necessarily needs and optional resources needed optionally .
  • Fig . 1 is a block diagram illustrating a data broadcast receiving device in accordance with an embodiment of the present invention
  • Fig . 2 is a block diagram showing a resource managing unit in accordance with an embodiment of the present invention ;
  • Fig . 3 is a flowchart describing a resource management process in accordance with an embodiment of the present invention ;
  • Fig . 4 shows a process of distributing resources on an essential group basis in accordance with an embodiment of the present invention
  • Fig . 5 shows a process of distributing resources on an optional group basis in accordance with an embodiment of the present invention .
  • Fig . 6 shows a process of distributing resources including an essential group and an optional group in accordance with an embodiment of the present invention .
  • Fig . 1 is a block diagram illustrating a data broadcast receiving device in accordance with an embodiment of the present invention .
  • the data broadcast receiving device includes a plurality of applications 200 , resources 300 , and a resource managing unit 100 for managing and controlling the resources 300 , the resource ownership and on the right to use of each resource , which will be simply referred to as a resource use right hereinafter , on a group basis between the applications 200 and the resources 300.
  • the resources 300 controlled by the data broadcast receiving device include a user input device , a graphic device , a media decoder , a communication interface , a tuner , and a storage .
  • the tuner and the media decoder are resources that should be proprietarily used by one application at one time .
  • the resource managing unit 100 is mounted on a system as a system software or middleware , which is mentioned in the description of a related art .
  • the resource managing unit 100 provides a unit capable of requesting the resources needed for each application to execute a predetermined work on a group basis and, at the same time , it provides a procedure for appropriately changing the ownership of resources between applications .
  • the structure and operation of the managing unit 100 will be described in detail with reference to drawings .
  • applications require many resources such as a tuner , a video decoder , a video overlay .
  • overlay stands for a physical space for representing video .
  • Each application generally executes more than one work, such as a predetermined channel tuning and video replay .
  • an application needs to acquire many resources at once on the basis of a unit required by the application .
  • the application may lose pre-acquired resources to another application while it acquires resources for another work, or it may occupy unnecessary resources while it still has resources that it needs to acquire but has not acquired . Therefore , the resource managing unit 100 of the present invention divides resources into an essential group , which is formed of a plurality of essential resources , and an optional group, which is formed of resources optionally required among many resources , and manages the resource ownership and the resource use right on a group basis .
  • Fig . 2 is a block diagram showing the resource managing unit 100 in accordance with an embodiment of the present invention .
  • the resource managing unit 100 includes a resource request receiver 110 , a resource use right distributor 120 , a resource use right authenticator 130 , a resource ownership change notifier 140 , and a resource ownership registry 150.
  • the resource ownership registry 150 registers such information as which application currently owns and uses which hardware/software resources in the data broadcast receiving device .
  • the resource request receiver 110 receives resource request data from the application on a group basis , manages the resource requests transmitted from many applications such that the same resource is not requested, and outputs resource ownership change request data to the resource use right distributor 120 in response to the received resource request data .
  • the group unit may be an essential group or an optional group .
  • the essential group is formed of resources that an application necessarily needs . When any one of the resources of the essential group is not acquired, even the other resources cannot be used. On the other hand, at least one resource of the optional group is acquired, the acquired resource can be used individually .
  • the resource request data include priority information of an application .
  • the priority information is used when a plurality of applications request the same resource .
  • a resource ownership and a resource use right are preferentially distributed to an application with a high priority order .
  • the resource use right distributor 120 receives the resource ownership change request data , manages a resource ownership that corresponds to received resource request result data based on the priority order of the application program with respect to the resources with reference to the resource ownership status data of the resource ownership information , and changes the resource ownership and the resource use right .
  • the resource ownership change notifier 140 notifies the resource ownership change to a program which has originally possessed the resource before the change upon the change in the resource ownership .
  • the resource use right authenticator 130 checks not the resource ownership but the resource use right whenever an application uses resources , and notifies the program that has requested the resource of the resource use right check result .
  • Fig . 3 is a flowchart describing a resource management process in accordance with an embodiment of the present invention .
  • the resource request receiver 110 receives resource request data from an application on the basis of an essential group and/or an optional group .
  • step S320 the resource request receiver 110 requests the resource use right distributor 120 to change the ownership of resources on the basis of the above-determined group .
  • step S330 the resource use right distributor 120 refers to the resource ownership status stored in the resource ownership registry 150 , changes the ownership of resources on the group basis , and registers the change in the resource ownership registry 150.
  • the group unit When the group unit is an essential group and any one of the resources of the essential group cannot have its ownership changed, the ownership of all the resources of the group cannot be changed .
  • the resource ownership can be changed only when all the resources of the group can have their ownership changed .
  • the group ownership is changed with respect to one resource which can have its resource ownership changed .
  • the resource use right distributor 120 notifies the change in the resource ownership to an application which originally possesses the resource whose ownership is changed through the resource ownership change notifier 140.
  • the resource use right distributor 120 registers the changed the resource use right in the resource ownership registry 150.
  • the resource use right distributor 120 notifies a resource request result corresponding to the received resource request data to an application which requested for the resource through the resource request receiver 110.
  • step S370 the application program which has received the resource request result outputs resource use right check request data to the resource use right authenticator 130 when it uses the resource it requested to use .
  • step S380 the resource use right authenticator 130 inquires the resource ownership registry 150 and notifies the resource use right check result to the application .
  • Fig . 4 shows a process of distributing resources on an essential group basis in accordance with an embodiment of the present invention .
  • an application A requests a resource 1 and a resource 2 to thereby form an essential group
  • an application B also requests the resource 1 and a resource 3 to form another essential group .
  • the two applications acquire all the requested resources .
  • the resource managing unit distributes the resources 1 and 2 , which are designated as resources of an essential group, to the application A.
  • the priority orders are registered in the resource request data .
  • the resource managing unit acquires and transmits both resource 1 and resource 2 to the application A with the higher priority order and it notifies the application B that the resource acquisition is failed . Therefore , it is possible to prevent the applications from being hold back for execution while they secure only- one of the resources 1 and 2 , individually , and wait for the resource possessed by their counterpart .
  • this method does not make the application affect the operation of the other application by immediately abandoning other resources it has acquired so that the other application can be executed .
  • Fig . 5 shows a process of distributing resources on an optional group basis in accordance with an embodiment of the present invention .
  • an application A requests a resource 1 and a resource 2 to thereby form an optional group
  • an application B requests the resource 1 and the resource 2 to thereby form an optional group
  • the resource managing unit distributes only any one ( resource 1 ) of the resources 1 and 2 designated for the optional group to the application A, and it distributes the other resource ( resource 2 ) to the application B . Then , the applications A and B can acquire and use any one of the resources 1 and 2.
  • Fig . 6 is view describing a process of distributing resources including both essential group and optional group in accordance with an embodiment of the present invention .
  • an application A requests an optional group including a resource 2 and a resource 3 to form an essential group and it further requests a resource 1 for the essential group .
  • an application B requests the optional group including the resources 2 and 3 to form an essential group and it further requests a resource 4 for the essential group .
  • the resource managing unit distributes the resource 1 and any one ( resource 2 ) of the resources 2 and 3 designated as the optional group to the application A and distributes the resource 4 and the other resource ( resource 3 ) available in the optional group to the application B . Therefore, both of the applications A and B can acquire one of the resources of the optional group and the resource of the essential group .
  • the method of the present invention which is described above , can be realized as a program and stored in a computer-readable recording medium such as CD-ROM, RAM, ROM, a floppy disk, a hard disk, and a magneto-optical disk . Since the process can be easily implemented by those skilled in the art of the present invention , further description on it will not be provided herein .
  • the technology of the present invention can be applied to a Digital Multimedia Broadcasting ( DMB ) receiver .
  • DMB Digital Multimedia Broadcasting

Landscapes

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

Abstract

L'invention concerne un appareil de gestion de ressources pour un dispositif récepteur de diffusion de données apte à rendre une application de ressources efficace par classement d'une ou de plusieurs ressources dans un groupe principal et dans un groupe optionnel, et par la gestion et la répartition de ces ressources sur la base de groupes. L'appareil contrôle et distribue de manière claire les ressources demandées de manière principale ou optionnelle au moyen d'une application prédéfinie basée sur une politique donnée. La présente invention porte également sur un procédé associé. Ledit appareil comporte une unité réceptrice de demandes de ressources, laquelle reçoit la demande de ressources nécessitées par une application sur la base de groupes, ainsi qu'une unité de répartition des ressources, laquelle répartit les ressources correspondant à l'unité de groupe de l'application.
EP06702712.8A 2005-01-12 2006-01-12 Procede et appareil de gestion de ressources pour un recepteur de diffusion de donnees Ceased EP1836846A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20050003031 2005-01-12
PCT/KR2006/000133 WO2006075884A1 (fr) 2005-01-12 2006-01-12 Procede et appareil de gestion de ressources pour un recepteur de diffusion de donnees

Publications (2)

Publication Number Publication Date
EP1836846A1 true EP1836846A1 (fr) 2007-09-26
EP1836846A4 EP1836846A4 (fr) 2016-12-28

Family

ID=36677880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06702712.8A Ceased EP1836846A4 (fr) 2005-01-12 2006-01-12 Procede et appareil de gestion de ressources pour un recepteur de diffusion de donnees

Country Status (3)

Country Link
EP (1) EP1836846A4 (fr)
KR (1) KR100742614B1 (fr)
WO (1) WO2006075884A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008030069A1 (fr) * 2006-09-08 2008-03-13 Lg Electronics Inc. Récepteur de diffusion et procédé de traitement de message d'alerte d'urgence
KR101109603B1 (ko) * 2007-03-29 2012-01-31 삼성전자주식회사 응용 프로그램 실행 방법 및 장치
KR100866581B1 (ko) * 2007-04-19 2008-11-03 주식회사 드리머 디스크 매체 재생 장치 기반 데이터 애플리케이션 제공방법 및 이를 실현시키기 위한 프로그램을 기록한 컴퓨터로판독 가능한 기록 매체
CN107370691B (zh) * 2016-05-12 2021-08-13 中国移动通信集团云南有限公司 一种资源访问方法和终端

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Also Published As

Publication number Publication date
KR20060082432A (ko) 2006-07-18
WO2006075884A1 (fr) 2006-07-20
EP1836846A4 (fr) 2016-12-28
KR100742614B1 (ko) 2007-07-25

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