WO2009132555A1 - Procédé et appareil de mise en œuvre d'une vidéoconférence - Google Patents

Procédé et appareil de mise en œuvre d'une vidéoconférence Download PDF

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Publication number
WO2009132555A1
WO2009132555A1 PCT/CN2009/071316 CN2009071316W WO2009132555A1 WO 2009132555 A1 WO2009132555 A1 WO 2009132555A1 CN 2009071316 W CN2009071316 W CN 2009071316W WO 2009132555 A1 WO2009132555 A1 WO 2009132555A1
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WO
WIPO (PCT)
Prior art keywords
control unit
mcu
site
multipoint control
numbers
Prior art date
Application number
PCT/CN2009/071316
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English (en)
Chinese (zh)
Inventor
李东
王恩奎
Original Assignee
深圳华为通信技术有限公司
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 深圳华为通信技术有限公司 filed Critical 深圳华为通信技术有限公司
Publication of WO2009132555A1 publication Critical patent/WO2009132555A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1827—Network arrangements for conference optimisation or adaptation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor

Definitions

  • the present invention relates to the field of network communication technologies, and in particular, to a video conference technology.
  • Video conferencing system can use MCU (Multipoint Control)
  • multi-point control unit Calls up multi-point video conferences. Specifically, several terminal nodes are called as conference venues to video conferences to expand corresponding video conferences and achieve multi-point conferences.
  • the MCU may assign an identifier to each terminal node that is added to the video conference as the conference site: ⁇ M, T>, where ⁇ denotes the conference site (or terminal node)
  • the number of the MCU that is, the MCU number
  • ⁇ indicates the number of the site (or terminal node) under the MCU (that is, the site number).
  • An embodiment of the present invention provides a method and a device for implementing a video conference to solve the problem that a large number of assignable identifiers may exist in a process in which a large number of conference sites join the MCU to implement a corresponding video conference.
  • a method of implementing a video conference comprising:
  • the multi-point control unit determines that all the site numbers of the current multi-point control unit number have been used, and there are still sites that are not assigned to the global site identifier.
  • a device for implementing a video conference comprising:
  • the judging unit is configured to determine whether there is still a site that is not assigned to the global site identifier after all the site numbers of the current multi-point control unit number have been used;
  • the new number obtaining unit is configured to: after all the site numbers under the current multi-point control unit number have been used, the site that is not assigned to the global site identifier is still present after the judgment result of the determining unit is
  • the global site identifier allocation unit is configured to allocate a global site identifier to the site by using the new multi-point control unit number obtained by the new number acquisition unit and the site number of the new multi-point control unit number.
  • a device for implementing video conferencing including:
  • Multi-numbered allocation unit for assigning multiple multi-point control unit numbers to multi-point control units
  • a multi-number transmitting unit configured to send a plurality of multi-point control unit numbers assigned by the multi-numbered allocating unit to the multi-point control unit.
  • FIG. 1 is a schematic structural diagram of a multipoint conference in which an MCU convene a multipoint conference in the prior art
  • FIG. 2 is a schematic diagram of a processing procedure of an MCU convening a multipoint conference according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a single MCU convening a multipoint conference according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a processing procedure of a single MCU convening a multipoint conference according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a cascading MCU convening a multipoint conference according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a processing procedure of a cascading MCU convening a multipoint conference according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another device according to an embodiment of the present invention.
  • the number of terminal nodes that can be supported can be extended by assigning multiple MCU numbers to a multipoint conference on a single MCU, for example, by using multiple MCU numbers corresponding to a single MCU.
  • the combination of ⁇ M, 1> as the global site identifier can identify more sites, thereby increasing the number of terminal nodes that can support video conferencing on a single MCU.
  • other values can be used according to the values of M and T.
  • the method determines the corresponding global site identifier, such as ⁇ T, ⁇ > combination, or a deformation based on the combination of ⁇ , 1 or ⁇ 1 ⁇ ⁇ >, and so on.
  • the MCU that is used for the multi-point conference determines that all the site numbers under the current MCU number have been used, and still exist.
  • the site that is not assigned to the global site ID can obtain the new MCU number corresponding to the MCU, and use the new MCU number and the site number of the new MCU to continue to assign the global site ID to the site.
  • the corresponding process of acquiring the new MCU number corresponding to the MCU may be implemented in any of the following manners:
  • a plurality of MCU numbers allocated to the MCU may be pre-stored in the MCU, and the manner of obtaining the multiple MCU numbers may be, but is not limited to: after the MCU calls a multi-point conference, Determine the number of MCUs to be added according to the number of sites to be added, and generate the corresponding number of MCUs (such as local assignments for themselves). Or, if the MCU calls a multipoint conference, determine the required MCU according to the number of sites to be added. Number of numbers, and externally obtain the corresponding number of MCU numbers assigned to other entities (such as the MCU's superior MCU or management unit, etc.);
  • the MCU re-acquires an MC to other entities (such as the MCU's superior MCU or management unit, etc.)
  • the U number is used as the new MCU number.
  • the MCU responsible for convening the multipoint conference needs to obtain the MCU number M, and the MCU number may be obtained locally or may be allocated by the upper MCU.
  • the MCU number may be obtained locally or may be allocated by the upper MCU.
  • Different implementation manners are required in the embodiments of the present invention. The specific implementations of the embodiments of the present invention will be described below based on the manners of obtaining different MCU numbers.
  • the MCU obtains the MCU number locally, in this embodiment, the corresponding MC
  • Step 201 the MCU convene a multipoint conference
  • Step 202 The MCU allocates multiple MCU numbers according to the number of sites that need to be joined in the multipoint conference.
  • Step 203 selecting one MCU number among multiple MCU numbers
  • Step 204 Use the MCU number selected in the multiple MCU numbers in combination with the assignable site number to assign a global site identifier to the corresponding site, that is, use the current MCU number and the site number combination to determine each The global site ID corresponding to the site;
  • Step 205 determining whether the site number under the current MCU number is assigned, and if so, executing step 206, otherwise, proceeding to step 204;
  • Step 206 Select a new MCU number in the multiple MCU numbers, and perform step 204, that is, use another MCU number in the multiple MCU numbers, and continue to be the site number in combination with the site number that can be allocated under the MCU number. Assign a global site ID.
  • the above steps 203 to 206 may be repeatedly performed until the venues are assigned to the corresponding global site identifiers.
  • the MCU may allocate the MCU number used for the multipoint conference at this time, as described in the foregoing steps; or, the corresponding MCU number may be repeatedly allocated multiple times.
  • the MCU will assign the conference site a ⁇ M, T> number (that is, the global site identifier of the site), and the range of the ⁇ value in the agreement is 1 ⁇ 191, so the corresponding number of access sites cannot exceed 191.
  • the specific application of the multiple MCUs to the MCU is different in the application scenarios of the single MCU conference and the cascaded MCU conference.
  • the application of the embodiment of the present invention in the two scenarios will be described below.
  • MCU numbers ie apostrophes
  • Step 401 after a multi-point conference is held by a single MCU, assign t nicknames according to the number of participants.
  • the corresponding value of t can be: number of sites /192 + 1;
  • Step 402 The MCU selects an M number to allocate a global site identifier to the site.
  • the number of ⁇ m2, D> is also required to be executed in the process of assigning the number of ⁇ m2, T> to the site.
  • a corresponding global site identifier is assigned to each site that accesses the multipoint conference.
  • step 1 above only one MCU number can be assigned to the MCU, and then another MCU number is assigned to the MCU during the execution of step 404.
  • the corresponding subordinate MCU may include the following steps in the process of assigning a number to the access site by using multiple nicknames:
  • Step 602 determining whether t is less than 2, if less, then performing step 603, otherwise, performing step 604;
  • Step 603 When K2 ⁇ , that is, the number of the conference sites in the conference does not exceed 191, the number of the corresponding ⁇ M, 1> is assigned to the corresponding site as the global site identifier of each site. .
  • Step 605 When the subordinate MCU receives the t ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ M M M ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
  • the process of assigning ⁇ , ⁇ > to each site on the lower-level MCU can be implemented by using steps 402 to 404 in the process shown in FIG. 4;
  • the lower-level MCU may also request the apostrophe from the upper MCU one by one, after each time obtaining the apostrophe and performing the ⁇ , ⁇ > number assignment, if the nickname is All the values of the ⁇ have been used to determine whether to complete the allocation operation for the ⁇ , ⁇ > number of all access sites. If yes, the process ends. Otherwise, continue to request the upper MCU to assign a new nickname, so that the rest The venue is conducting ⁇
  • the foregoing program may be stored in a computer readable storage medium, and after the program is executed, the method includes the above method embodiment.
  • the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • An embodiment of the present invention further provides a device for implementing a video conference.
  • the specific implementation structure is as shown in FIG. 7 , and mainly includes the following processing units:
  • the unit may be used to determine whether there is still a site that is not assigned to the global site identifier after all the site numbers of the current MCU number have been used. If yes, it is determined that multiple MCU numbers need to be acquired.
  • the unit may be specifically configured to obtain, after the judgment result of the determining unit is that all the site numbers under the current multi-point control unit number have been used, the site that is not assigned to the global site identifier is still obtained.
  • the new MCU number is used to continue to assign a global site ID to each site using the new MCU number.
  • the corresponding new number obtaining unit may specifically include any one of the following units:
  • the first obtaining unit is configured to locally select one of the plurality of MCU numbers that has not been used.
  • the CU number is used as the new MCU number
  • the first acquiring unit may further communicate with any one of the following units to obtain a corresponding multiple MC.
  • the local number allocation unit is configured to determine the number of required MCU numbers according to the number of sites joining the conference, and generate (for example, locally, for itself, etc.) a corresponding number of MCU numbers;
  • the remote number obtaining unit is used to determine the number of MCU numbers required according to the number of sites joining the conference, and obtain the corresponding number of MCUs assigned by other entities from the outside.
  • a second obtaining unit configured to locally allocate an MCU number by the MCU as the new MCU number in the MCU;
  • the third acquisition unit is used to re-subscribe from other entities (such as the MCU or the management unit of the MCU)
  • the unit may be specifically used to use the new MCU number obtained by the new number acquisition unit and the new M
  • the site number of the site is assigned to the site.
  • the embodiment of the present invention further provides a device for implementing a video conference, and the device can be used as an upper-level MCU of the MCU, and the specific implementation structure thereof can be as shown in FIG.
  • Multi-numbered allocation unit for assigning multiple MCU numbers to the MCU
  • a multi-number transmitting unit configured to send multiple MCU numbers assigned by the multi-numbered allocation unit to the MC
  • the device further includes a receiving unit, configured to receive, by the MCU, the MC that needs to be allocated
  • the number of U numbers, and the multi-number allocation unit is notified, so that the multi-number allocation unit can allocate a corresponding number of MCU numbers to the corresponding MCU according to the quantity.
  • each MCU can have multiple MCU numbers, the number of combinations of MCU numbers and site labels can be greatly increased, so that the existing technology can be effectively solved.
  • the problem is that when a large number of sites join the MCU to implement the corresponding video conference, if there is a problem that the number of assignable identifiers is limited and the identifier cannot be assigned to the corresponding site, the MCU can be assigned different MCU numbers to solve this problem.
  • the problem is to ensure that each venue can join the video conference to smoothly carry out the corresponding video conference.
  • the embodiment of the present invention also has the advantages of good scalability and easy implementation. If it is not necessary to upgrade the terminal, it can support more sites and can communicate with devices such as existing terminals.

Abstract

Cette invention se rapporte à un procédé et à un appareil de mise en œuvre d'une vidéoconférence, le procédé les étapes suivantes : si une MCU qui est utilisée pour faire fonctionner une conférence multipoint confirme que tous les numéros de série de place de conférence sous le numéro de série actuel de la MCU sont épuisés, et s'il y a encore une place de conférence qui est une identification de place de conférence globale non distribuée, obtention d’un nouveau numéro de série d'unité de contrôle multipoint qui correspond à la MCU; et utilisation du nouveau numéro de série de la MCU et du numéro de série de place de conférence sous le nouveau numéro de série d'unité de contrôle multipoint, de manière à continuer à distribuer une identification de place de conférence aux places de conférence.
PCT/CN2009/071316 2008-04-29 2009-04-16 Procédé et appareil de mise en œuvre d'une vidéoconférence WO2009132555A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810105459.2A CN101272268B (zh) 2008-04-29 2008-04-29 实现视讯会议的方法、设备
CN200810105459.2 2008-04-29

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Publication number Priority date Publication date Assignee Title
CN101272268B (zh) * 2008-04-29 2011-07-20 华为终端有限公司 实现视讯会议的方法、设备
CN108243320B (zh) * 2016-12-23 2020-05-08 杭州华为企业通信技术有限公司 会议控制方法、装置及系统
CN112019356B (zh) * 2020-08-04 2022-04-08 广州市保伦电子有限公司 数字会议中的多类型单元id自动添加方法及处理终端

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CN101272268A (zh) * 2008-04-29 2008-09-24 深圳华为通信技术有限公司 实现视讯会议的方法、设备及系统

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US6466550B1 (en) * 1998-11-11 2002-10-15 Cisco Technology, Inc. Distributed conferencing system utilizing data networks
CN1592401A (zh) * 2003-08-28 2005-03-09 北京鼎视通软件技术有限公司 一种视频会议方法及系统
CN101150705A (zh) * 2007-10-19 2008-03-26 中兴通讯股份有限公司 一种在初始会话协议中实现多点会议视频控制的方法
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CN101272268B (zh) 2011-07-20

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