WO2010027215A2 - Procédé et dispositif de gestion d'un service en diffusion et multidiffusion - Google Patents

Procédé et dispositif de gestion d'un service en diffusion et multidiffusion Download PDF

Info

Publication number
WO2010027215A2
WO2010027215A2 PCT/KR2009/005016 KR2009005016W WO2010027215A2 WO 2010027215 A2 WO2010027215 A2 WO 2010027215A2 KR 2009005016 W KR2009005016 W KR 2009005016W WO 2010027215 A2 WO2010027215 A2 WO 2010027215A2
Authority
WO
WIPO (PCT)
Prior art keywords
control channel
multicast
terminal
broadcast service
service
Prior art date
Application number
PCT/KR2009/005016
Other languages
English (en)
Other versions
WO2010027215A3 (fr
Inventor
Jung-Im Kim
Chul Sik Yoon
Original Assignee
Electronics And Telecommunications Research Institute
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
Priority claimed from KR1020090073939A external-priority patent/KR101203713B1/ko
Application filed by Electronics And Telecommunications Research Institute filed Critical Electronics And Telecommunications Research Institute
Priority to US13/062,331 priority Critical patent/US8804592B2/en
Publication of WO2010027215A2 publication Critical patent/WO2010027215A2/fr
Publication of WO2010027215A3 publication Critical patent/WO2010027215A3/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services

Definitions

  • the present invention relates to a method and a device for managing a multicast and broadcast service.
  • a mobile communication service can be classified into a unicast service and a multicast and broadcast service (MBS).
  • MMS multicast and broadcast service
  • the unicast service is a point-to-point service that transmits data to one recipient from one source. Terminals perform the service by using different wireless resources.
  • the multicast and broadcast service is a point-to-multipoint service that transmits data to multiple recipients from one source.
  • the multiple recipients use a common resource so as to efficiently use resources.
  • the multiple recipients can share a connection ID of a packet so as to use the common resource.
  • the state of the terminal is administrated by dividing a connected state and an idle state.
  • the terminal can receive the service when the terminal is in the connected state, and minimizes power consumption without receiving the unicast service when the terminal is in the idle state.
  • the terminal can receive the service when the terminal is in both the connected state and the idle state, and the terminal performs transmission of a service control channel by a method for reducing power consumption in the idle state.
  • the present invention has been made in an effort to provide a method and a device for managing a multicast and broadcast service having advantages of efficiently receiving a service control channel in the multicast and broadcast service and preventing a base station from unnecessarily performing the multicast and broadcast service.
  • An exemplary embodiment of the present invention provides a method for managing of a multicast and broadcast service in a base station, that includes: transmitting a multicast and broadcast service control channel to a terminal; transmitting an indicator channel for indicating a change of the multicast and broadcast service control channel by using a unicast control channel when the multicast and broadcast service control channel is changed, to the terminal; and transmitting the changed multicast and broadcast service control channel to the terminal.
  • the method may further include allocating an identifier included in the unicast control channel as a service identifier for each multicast and broadcast service.
  • the size of the service identifier may be the same as the size of the identifier included in the unicast control channel.
  • Another embodiment of the present invention provides a method for managing a multicast and broadcast service in a base station, that includes: transmitting an indicator channel for inquiring of an intention to receive the multicast and broadcast service to a terminal; receiving a response to the inquiry of intention to receive the service from the terminal; and transmitting the multicast and broadcast service control channel to the responding terminal.
  • the indicator channel may be a unicast control channel.
  • the terminal may include a terminal that is in a connected state.
  • the indicator channel may include uplink information, and the base station may receive the response that the terminal that is in the connected state gives to the inquiry on intention to receive the service by using the uplink information.
  • the method may further include counting the number of responding terminals that are in the connected state.
  • the method may further include, when the number of responding terminals that are in the connected state is smaller than a predetermined number as the counting result, transmitting an indicator channel for inquiring of the intention to receive the multicast and broadcast service to a terminal that is in an idle state.
  • the method may further include counting the number of responding terminals that are the idle state.
  • the method may further include transmitting the service control channel to each of the responding terminals that are in the idle state and the responding terminals that are in the connected state.
  • Yet another embodiment of the present invention provides a device for managing a multicast and broadcast service, that includes: a service control channel transmitter that transmits a multicast and broadcast service control channel to a terminal; and an indicator channel transmitter that transmits a first indicator channel for indicating a change of the multicast and broadcast service control channel by using a unicast control channel when the multicast and broadcast service control channel is changed.
  • the indicator channel transmitter may transmit a second indicator channel for inquiring of an intention to receive the service to the terminal.
  • the service control channel transmitter may transmit the multicast and broadcast service control channel to the terminal that responds to the inquiry on intention to receive the service.
  • a terminal in a multicast and broadcast service, can efficiently receive a service control channel, and it is possible to prevent a base station from unnecessarily performing the multicast and broadcast service.
  • FIG. 1 is a flowchart illustrating a method for managing a multicast and broadcast service according to an embodiment of the present invention.
  • FIG. 2 is a flowchart illustrating a method for managing a multicast and broadcast service according to another embodiment of the present invention.
  • FIG. 3 is a schematic block diagram of a device for managing a multicast and broadcast service according to yet another embodiment of the present invention.
  • a terminal may designate a mobile station (MS), a mobile terminal (MT), a subscriber station (SS), a portable subscriber station (PSS), user equipment (UE), an access terminal (AT), etc., and may include the entire or partial functions of the terminal, the mobile terminal, the subscriber station, the portable subscriber station, the user equipment, the access terminal, etc.
  • MS mobile station
  • MT mobile terminal
  • SS subscriber station
  • PSS portable subscriber station
  • UE user equipment
  • AT access terminal
  • a base station may designate an access point (AP), a radio access station (RAS), a node B, an evolved node B (eNodeB), a base transceiver station (BTS), a mobile multihop relay (MMR)-BS, etc., and may include the entire or partial functions of the access point, the radio access station, the node B, the evolved node B, the base transceiver station, the MMR-BS, etc.
  • AP access point
  • RAS radio access station
  • eNodeB evolved node B
  • BTS base transceiver station
  • MMR mobile multihop relay
  • FIG. 1 is a flowchart illustrating a method for managing a multicast and broadcast service according to an embodiment of the present invention.
  • a base station 10 performs the multicast and broadcast service by transmitting a service control channel to a terminal 20 (S110). In the meantime, the service control channel may be changed (S120).
  • the base station 10 transmits an indicator channel to the terminal 20 (S130).
  • the indicator channel indicates a change of the service control channel, and prevents the terminal 20 from frequently and repeatedly receiving the service control channel against the change of the service control channel and allows the terminal 20 to receive the service control channel only when it is necessary to receive the service control channel.
  • the indicator channel uses a unicast L1/L2 control channel (hereinafter referred to as "unicast control channel") used for scheduling, etc., in a unicast.
  • the unicast control channel is used as the service control channel in the unicast service.
  • the unicast control channel is processed in a physical (PHY) layer of the terminal 20, such that the processing speed is fast.
  • PHY physical
  • the unicast control channel includes an identifier of the terminal 20, and the indicator channel uniquely allocates the identifier used in the unicast control channel for each multicast and broadcast service.
  • the size of the identifier is a predetermined size that is accepted in the unicast control channel. When the size of the service control channel is changed, the identifier of the unicast control channel can indicate the changed size.
  • the terminal 20 verifies the object of the indicator channel by receiving the indicator channel (S140). That is, the terminal 20 determines that the object of the indicator channel is to indicate the change of the service control channel by verifying the identifier of the unicast control channel used as the indicator channel.
  • the base station 10 transmits the changed service control channel (S150) a predetermined time after transmitting the indicator channel (S130).
  • the terminal 20 receives the changed service control channel after verifying the object of the received indicator channel (S140).
  • the indicator channel when the indicator channel is transmitted by using the existing unitcast control channel without providing an additional channel for the indicator channel, it is possible to efficiently use resources. Further, since the unicast control channel is processed in the physical layer, the unicast control channel can be rapidly processed, such that the terminal can efficiently receive the service control channel.
  • FIG. 2 is a flowchart illustrating a method for managing a multicast and broadcast service according to another embodiment of the present invention.
  • a base station 10 transmits an indicator channel to a terminal 21 that is in a connected state before starting the multicast and broadcast service (S211).
  • the indicator channel inquires whether the terminal 21 intends to receive the multicast and broadcast service, and uses a unicast control channel as in the embodiment of FIG. 1.
  • the unicast control channel includes positional information of a wireless resource, that is, uplink information, so that the terminal 21 can transmit and receive data by using the wireless resource.
  • the terminal 21 verifies the object of the indicator channel by receiving the indicator channel (S212). That is, the terminal 21 verifies whether or not the indicator channel inquires regarding an intention to receive the multicast and broadcast service.
  • the terminal 21 transmits a response to the intention to the base station 10 (S213).
  • the response of the terminal 21 is transmitted by the uplink information transmitted while being included in the indicator channel in advance.
  • the base station 10 counts the number of terminals that respond to the inquiry on intention to receive the service from a plurality of terminals that are in the connected state, like the terminal 21 (S214).
  • the base station 10 When the counting result is larger than a predetermined reference, the base station 10 provides the multicast and broadcast service to the terminal 21 by transmitting the service control channel to the terminal 21 that responds the intention to receive the service (S216).
  • the base station 10 transmits the indicator channel to a terminal 22 that is in an idle state (S217).
  • the terminal 22 verifies whether the object of the indicator channel is to inquire on the intention to receive the service by receiving the indicator channel (S218). Thereafter, when the terminal 22 intends to receive the service, the terminal 22 transmits a response to the intention to the base station 10 (S219).
  • the response of the terminal 22 can be performed by using the channel that can be used in the idle state, for example, a ranging channel or a random access channel.
  • the base station 10 counts the number of terminals that respond to the inquiry on intention to receive the service from a plurality of terminals that are in the idle state, like the terminal 22 (S220). After counting, the base station 10 starts to perform the multicast and broadcast service by transmitting the service control channel to each of the terminals 21 and 22.
  • the base station 10 may not perform the multicast and broadcast service.
  • the base station 10 starts the service after verifying whether or not the terminal that intends to receive the service is provided, it is possible to prevent the data from being transmitted when it is unnecessary to perform the service. Further, a service priority for the terminal 22 that is in the idle state can be granted to the terminal21 that is in the connected state.
  • FIG. 3 is a schematic block diagram of a device for managing a multicast and broadcast service according to an embodiment of the present invention.
  • the multicast and broadcast service managing device 300 is mainly included in a base station 10, and includes an indicator channel transmitter 310, a counter 320, and a service control channel transmitter 330.
  • the indicator channel transmitter 310 transmits an indicator channel for indicating the change of the service control channel to a terminal 20, or transmits an indicator channel for inquiring of an intention to receive a service to terminals 21 and 22.
  • the indicator channel transmitted in the indicator channel transmitter 310 is a unicast control channel.
  • the indicator channel transmitter 310 inquires whether the terminals 21 and 22 intend to receive the service, the counter 320 counts the number of terminals 21 and 22 that respond to the inquiry.
  • the service control channel transmitter 330 transmits the multicast and broadcast service control channel to the terminals 20, 21, and 22. At this time, the service control channel transmitter 330 indicates the change of the service control channel through the indicator channel to the terminal 20, and can transmit the changed service control channel after a predetermined time. Further, after the service control channel transmitter 330 transmits the indicator channel for inquiring of the intention to receive the service to the terminals 21 and 22, the service control channel transmitter 330 can transmit the service control channel to the terminals 21 and 22 depending on a result of counting the number of terminals 21 and 22 that respond to the inquiry.
  • the above-mentioned exemplary embodiments of the present invention are not embodied only by an apparatus and method.
  • the above-mentioned exemplary embodiments may be embodied by a program performing functions that correspond to the configuration of the exemplary embodiments of the present invention, or a recording medium on which the program is recorded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de gestion d'un service en diffusion et multidiffusion dans une station de base. Dans un mode de réalisation, ledit procédé comprend : la transmission d'un canal de commande de service de diffusion et de multidiffusion vers un terminal; la transmission, vers le terminal, d'un canal indicateur permettant d'indiquer un changement du canal de commande du service de diffusion et de multidiffusion à l'aide d'un canal de commande de monodiffusion lorsque le canal de commande de service de diffusion et de multidiffusion est modifié; et la transmission, vers le terminal, du canal de commande de service de diffusion et de multidiffusion modifié.
PCT/KR2009/005016 2008-09-05 2009-09-04 Procédé et dispositif de gestion d'un service en diffusion et multidiffusion WO2010027215A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/062,331 US8804592B2 (en) 2008-09-05 2009-09-04 Method and device for managing of multicast and broadcast service

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20080087916 2008-09-05
KR10-2008-0087916 2008-09-05
KR10-2009-0073939 2009-08-11
KR1020090073939A KR101203713B1 (ko) 2008-09-05 2009-08-11 멀티캐스트 및 브로드캐스트 서비스 관리 방법 및 관리 장치

Publications (2)

Publication Number Publication Date
WO2010027215A2 true WO2010027215A2 (fr) 2010-03-11
WO2010027215A3 WO2010027215A3 (fr) 2012-04-26

Family

ID=41797668

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/005016 WO2010027215A2 (fr) 2008-09-05 2009-09-04 Procédé et dispositif de gestion d'un service en diffusion et multidiffusion

Country Status (1)

Country Link
WO (1) WO2010027215A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103348749A (zh) * 2011-02-08 2013-10-09 高通股份有限公司 用于对与广播数据服务相关的设备进行计数的方法和装置
US8705557B2 (en) 2011-07-07 2014-04-22 Qualcomm Incorporated Methods and apparatus for supporting multicast communications
WO2016115670A1 (fr) * 2015-01-19 2016-07-28 华为技术有限公司 Procédé, dispositif et système de transmission de flux de données

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005018268A1 (fr) * 2003-08-19 2005-02-24 Lg Electronics Inc. Procede et appareil pour selectionner le type de radio-porteuse mbms
WO2006104335A2 (fr) * 2005-03-28 2006-10-05 Lg Electronics Inc. Procede et dispositif permettant de reconfigurer une voie commune
WO2007148933A1 (fr) * 2006-06-21 2007-12-27 Lg Electronics Inc. Procédé d'accès de liaison montante pour système de communication mobile
WO2008023928A2 (fr) * 2006-08-22 2008-02-28 Lg Electronics Inc. Procédé d'émission et de réception d'informations de commande dans un système de communication sans fil
WO2008024214A2 (fr) * 2006-08-21 2008-02-28 Interdigital Technology Corporation Coordination de multiples cellules pour des services de diffusion-multidiffusion multimédia dans un système de communication sans fil
WO2008025239A1 (fr) * 2006-08-25 2008-03-06 Alcatel Shanghai Bell Co., Ltd. Station de base à mbms évolué, équipement d'utilisateur et procédé
WO2009022882A2 (fr) * 2007-08-16 2009-02-19 Lg Electronics Inc. Procédé de communication pour service de diffusion/multidiffusion multimédia

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005018268A1 (fr) * 2003-08-19 2005-02-24 Lg Electronics Inc. Procede et appareil pour selectionner le type de radio-porteuse mbms
WO2006104335A2 (fr) * 2005-03-28 2006-10-05 Lg Electronics Inc. Procede et dispositif permettant de reconfigurer une voie commune
WO2007148933A1 (fr) * 2006-06-21 2007-12-27 Lg Electronics Inc. Procédé d'accès de liaison montante pour système de communication mobile
WO2008024214A2 (fr) * 2006-08-21 2008-02-28 Interdigital Technology Corporation Coordination de multiples cellules pour des services de diffusion-multidiffusion multimédia dans un système de communication sans fil
WO2008023928A2 (fr) * 2006-08-22 2008-02-28 Lg Electronics Inc. Procédé d'émission et de réception d'informations de commande dans un système de communication sans fil
WO2008025239A1 (fr) * 2006-08-25 2008-03-06 Alcatel Shanghai Bell Co., Ltd. Station de base à mbms évolué, équipement d'utilisateur et procédé
WO2009022882A2 (fr) * 2007-08-16 2009-02-19 Lg Electronics Inc. Procédé de communication pour service de diffusion/multidiffusion multimédia

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103348749A (zh) * 2011-02-08 2013-10-09 高通股份有限公司 用于对与广播数据服务相关的设备进行计数的方法和装置
US8705557B2 (en) 2011-07-07 2014-04-22 Qualcomm Incorporated Methods and apparatus for supporting multicast communications
WO2016115670A1 (fr) * 2015-01-19 2016-07-28 华为技术有限公司 Procédé, dispositif et système de transmission de flux de données
US10313242B2 (en) 2015-01-19 2019-06-04 Huawei Technologies Co., Ltd. Data flow transmission method, device, and system
CN111556587A (zh) * 2015-01-19 2020-08-18 华为技术有限公司 一种数据流传输方法、设备及系统
US10764183B2 (en) 2015-01-19 2020-09-01 Huawei Technologies Co., Ltd. Data flow transmission method, device, and system
CN111556587B (zh) * 2015-01-19 2024-04-23 华为技术有限公司 一种数据流传输方法、设备及系统

Also Published As

Publication number Publication date
WO2010027215A3 (fr) 2012-04-26

Similar Documents

Publication Publication Date Title
US10111267B2 (en) Method and apparatus for performing device-to-device communication
CN108307528B (zh) 一种信息传输方法、装置及系统
CN103733657B (zh) 识别ue对embms的计数结果
WO2009116795A2 (fr) Procédé de réception d'un message d'alerte d'une catastrophe dans un système de communications mobiles
WO2011102624A2 (fr) Procédé et appareil de contrôle d'accès au réseau d'un équipement utilisateur dans un système de communication sans fil
CA2430799A1 (fr) Methode et appareil de multidiffusion de donnees en paquets dans un systeme mobile de telecommunications
WO2014051383A1 (fr) Procédé et appareil de gestion de sécurité pour communication de groupe dans un système de communication mobile
WO2017028610A1 (fr) Procédé de résolution de conflit d'identification de dispositif à dispositif, et équipement d'utilisateur de dispositif à dispositif
WO2015125901A1 (fr) Procédé de commande de service mbms, terminal d'utilisateur et station de base
WO2015054643A1 (fr) Système et procédé pour blocs de transport de contrôle d'accès au support
WO2011055966A2 (fr) Procede et appareil pour etablir une porteuse commune de liaison montante dans un reseau de communications sans fil
WO2010018972A2 (fr) Procédé pour traiter un cas exceptionnel d'établissement d'un support par défaut dans un système de communication mobile et dispositif associé
WO2013073853A1 (fr) Procédé et appareil permettant de transmettre des données dans un système de service de communication entre dispositifs
WO2011083977A2 (fr) Procédé et appareil pour émettre et recevoir des informations de commande dans un système de communication sans fil
WO2010117206A2 (fr) Procédé d'allocation de ressources dans un système d'accès radio à large bande
CN109644324B (zh) 用于多媒体广播多播服务mbms计数操作的系统和方法
WO2021182770A1 (fr) Procédé et appareil de configuration et de réception mbs dans un système de communication mobile
WO2012141406A1 (fr) Procédé de réglage de préfixe cyclique et terminal destiné à le mettre en œuvre
WO2012067367A2 (fr) Appareil et procédé permettant d'allouer de façon dynamique un trajet de multidiffusion dans un système d'accès sans fil à large bande
WO2010027215A2 (fr) Procédé et dispositif de gestion d'un service en diffusion et multidiffusion
WO2010050764A2 (fr) Dispositif et procédé de gestion de multiples porteuses et procédé de mise en marche du mode veille d'un terminal
WO2010027167A2 (fr) Appareil et procédé d’allocation de circuit de retour et procédé de transmission de signal d’accusé de réception
WO2016024812A1 (fr) Procédé pour réaliser un comptage de services de radiodiffusion et multidiffusion multimédias évolués (embms) dans des systèmes sans fil
US8804592B2 (en) Method and device for managing of multicast and broadcast service
WO2011108895A2 (fr) Gestion de ressource de service de multidiffusion et de diffusion et procédé

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09811714

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 13062331

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09811714

Country of ref document: EP

Kind code of ref document: A2