WO2014163382A1 - Procédé permettant de prendre en charge une continuité de mbms par la prise en considération d'une onde porteuse nct et appareil associé - Google Patents

Procédé permettant de prendre en charge une continuité de mbms par la prise en considération d'une onde porteuse nct et appareil associé Download PDF

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Publication number
WO2014163382A1
WO2014163382A1 PCT/KR2014/002797 KR2014002797W WO2014163382A1 WO 2014163382 A1 WO2014163382 A1 WO 2014163382A1 KR 2014002797 W KR2014002797 W KR 2014002797W WO 2014163382 A1 WO2014163382 A1 WO 2014163382A1
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WIPO (PCT)
Prior art keywords
cell
mbms
source
nct
information
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PCT/KR2014/002797
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English (en)
Korean (ko)
Inventor
권기범
박동현
정명철
허강석
Original Assignee
주식회사 팬택
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Priority claimed from KR20130043020A external-priority patent/KR20140120227A/ko
Application filed by 주식회사 팬택 filed Critical 주식회사 팬택
Publication of WO2014163382A1 publication Critical patent/WO2014163382A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0007—Control or signalling for completing the hand-off for multicast or broadcast services, e.g. MBMS

Definitions

  • the present invention relates to wireless communication, and more particularly, to a method and apparatus for supporting MBMS continuity in consideration of NCT carriers in a wireless communication system.
  • Handover or handoff is when the terminal moves away from the current communication service area (source cell) as the terminal moves to an adjacent communication service area (target cell). It is a function that automatically tunes to a new traffic channel of an adjacent communication service area and keeps a call state continuously. That is, a terminal communicating with a specific base station is linked to another neighboring base station (target base station) when the signal strength of the specific base station (hereinafter referred to as a source base station) is weakened. . If a handover is made, the problem of call disconnection occurring when moving to an adjacent cell can be solved.
  • MBMS Multimedia Broadcast / Multicast Service
  • CBS Cell Broadcast Service
  • MBMS is intended for high-speed multimedia data transmission, and has a difference in that it is based on IP multicast.
  • the necessary resources (or channels) are shared when they are transmitted to each user so that multiple users receive the same multimedia data to improve the efficiency of radio resources and to provide multimedia services from the user's point of view. It is an advantage of MBMS that it is available cheaply.
  • a multimedia broadcast multicast service single frequency network (MBSFN) scheme may be used.
  • MBSFN uses a common scrambling code and spreading code to simultaneously broadcast the same MBMS channel in a plurality of cells forming an MBMS cell group.
  • Another technical problem of the present invention is to provide a method and apparatus for supporting MBMS continuity considering an NCT carrier.
  • Another technical problem of the present invention is to propose a signaling method for guaranteeing MBMS continuity even when receiving an MBMS through an NCT carrier.
  • Another technical problem of the present invention is to support MBMS continuity when a UE performs cell reselection during MBMS reception through an NCT carrier.
  • the method includes receiving MBMS service configuration information for a source NCT cell on a source auxiliary cell from a source base station, based on the MBMS service configuration information for the source NCT cell, on the source NCT cell from the source base station.
  • Receiving an MBMS receiving MBMS service configuration information for a target NCT cell from the source base station or target base station, and the target NCT from the target base station based on the MBMS service configuration information for the target NCT cell Receiving the MBMS on a cell.
  • FIG. 3 is a diagram illustrating an MBSFN based communication system to which the present invention is applied.
  • FIG. 4 shows an example of a configuration for performing an MBMS service.
  • FIG. 7 illustrates a method of transmitting MBMS service configuration information for an NCT carrier to a terminal through a system information block according to another embodiment of the present invention.
  • FIG. 11 is a flowchart illustrating a cell reselection method for service continuity in an MBMS considering an NCT carrier according to another embodiment of the present invention.
  • a separator for an NCT carrier of MBSFN subframe configuration information included in SIB2 may be needed.
  • the MBSFN carrier index value may be indicated.
  • the MBSFN carrier index value may be signaled together with the EARFCN value to indicate what frequency the MBSFN carrier index means.
  • the MBSFN carrier index may mean an index for carriers providing MBMS service in an eNB that provides a service to a UE.
  • the terminal may receive the MBMS service on the NCT cell based on the MBSFN subframe configuration information, MBSFN notification configuration information, and MBSFN region information list for the NCT carrier (S610).
  • the MCCH including the MBSFN region configuration information for the NCT carrier, the MAC CE including the MCH scheduling information (MSI) for the target NCT carrier, and the target NCT carrier Receiving such as PDCCH / EPDCCH including MBMS notification may be further performed, and the information may be transmitted from the NCT cell directly and / or indirectly from the source LCT cell to the terminal.
  • the secondary LCT cell transmits MBMS service configuration information (ie, MBSFN subframe configuration information, MBSFN notification configuration information, and MBSFN region information list) for the NCT cell to the terminal through SIB15 (S700).
  • MBMS service configuration information ie, MBSFN subframe configuration information, MBSFN notification configuration information, and MBSFN region information list
  • the source base station transmits a handover request message to the target base station (S820).
  • the source base station may determine the need for handover based on the measurement report received from the terminal.
  • the handover request message includes MBMS continuity information.
  • the MBMS continuity information may be information indicating that the terminal receives the MBMS service.
  • the MBMS continuity information may be information indicating that the UE receives the MBMS service through the NCT cell.
  • the MBMS continuity information may be information indicating that the MBMS service is preferred in the corresponding terminal.
  • the terminal may send an MBMS interest indication message to the source base station.
  • the MBMS interest indication message may carry information on a frequency carrier related to a service currently being received or related to a service to be received in the future.
  • the MBMS interest indication message may be generated based on service information received through a specific SIB (n) on the main serving cell.
  • the specific SIB (n) may be SIB15
  • SIB15 may be configured with a list of service indicators about which MBMS services are performed by the serving cell and the neighbor cell. The UE can know what services the serving cell and the neighbor cell each support based on SIB15.
  • the MBMS interest indication message may include a frequency list included in the MBMS-FreqList field.
  • the MBMS continuity information may include, for example, at least one of the frequency list.
  • the source base station transmits a handover command to the terminal on the source LCT cell (S840).
  • the handover command includes the MBSFN subframe configuration information, MBSFN notification configuration information, and MBSFN region information list for the target NCT carrier.
  • the handover command may be included in an RRC connection reconfiguration message and transmitted to the terminal.
  • the terminal changes the MBMS-related configuration at the terminal, based on the MBSFN subframe configuration information, MBSFN notification configuration information, and MBSFN region information list for the target NCT carrier, and uses a target NCT carrier.
  • the UE can obtain MBMS service configuration information for the target NCT carrier (cell) even when a handover occurs, and can secure the continuity of the MBMS service.
  • a UE supports continuity of an MBMS service on a target NCT cell, which is a changed cell due to a handover or cell reselection while receiving an MBMS service on a source NCT cell, based on the help of a source (secondary) LCT cell.
  • the present invention can be applied to the case where the UE receives the MBMS service from the target NCT cell, which is a changed cell due to a handover or cell reselection occurring while receiving the MBMS service directly on the source LCT cell.
  • the source base station transmits an RRC connection reconfiguration message including MBMS service configuration information for the source NCT carrier to the terminal on the source secondary LCT cell (S900).
  • MBMS service configuration information includes MBSFN subframe configuration information, MBSFN notification configuration information, and MBSFN region information list.
  • S900 may include the contents of the S500 procedure in FIG. 5.
  • the terminal receives the MBMS service on the NCT cell based on the MBSFN subframe configuration information, the MBSFN notification configuration information, and the MBSFN region information list for the source NCT carrier (S910).
  • 10 to 11 are flowcharts illustrating a handover method for service continuity in MBMS considering an NCT carrier according to another example of the present invention.
  • 10 to 11 basically include a process of broadcasting MBMS service configuration information for an NCT carrier through system information blocks.
  • the broadcasting information further includes an MBMS service configuration relationship indicator indicating which secondary LCT carrier the MBMS service configuration information is transmitted in addition to the MBMS service configuration information for the NCT carrier.
  • a description of the MBMS service configuration relationship indicator will be described later with reference to FIGS. 10 to 11.
  • 10 is a flowchart illustrating a handover method for service continuity in an MBMS considering an NCT carrier according to another example of the present invention.
  • 10 is basically MBMS service configuration information for the NCT carrier is broadcast through the system information block (s), but when the handover occurs for the UE, MBMS service configuration information for the target NCT cell through the RRC connection reconfiguration message Assume to transmit.
  • the MBMS service configuration relationship indicator may include only information (ie, assisting carrier information) of an assisting LCT cell or a corresponding MBSFN region.
  • the assisted carrier information may include the following.
  • the assisted carrier information may include an EARFCN list.
  • the corresponding cell belonging to the frequency indicated by the EARFCN indicates that the cell should be helped by another cell in performing the MBMS service.
  • the assisting carrier information may include the following.
  • the assisting carrier information may include cell ID list information.
  • the cell ID may be a physical cell ID or may be an ECGI.
  • the cell having the corresponding cell ID indicates a cell (eg, secondary LCT cell) that helps another cell (eg, an NCT cell) to perform MBMS service. That is, in this case, MBMS service configuration information for another cell may be transmitted to the terminal by the cell for which the help is provided.
  • the remaining steps S1020, S1030, S1040 and S1050 may be performed in the same manner as the procedures of S820, S830, S840 and S850 in FIG. 8, and thus a detailed description thereof will be omitted.
  • the terminal may support the MBMS service even in the idle mode, and continuity of the MBMS service should be supported even when cell reselection is performed according to the movement of the terminal.
  • FIG. 11 is a flowchart illustrating a cell reselection method for service continuity in an MBMS considering an NCT carrier according to another embodiment of the present invention.
  • the processes of S1100 and S1110 may be performed in the same manner as the procedures of S1000 and S1010 of FIG. 10.
  • the UE may be moving to another cell while being selected as the source secondary LCT cell as the (RRC) idle mode.
  • the terminal may acquire at least one cell and / or MBSFN region indicated by the assisted carrier information in order to obtain MBMS service configuration information. It is possible to reselect a cell and / or a cell for the MBSFN region referred to by the assisted carrier information paired with the corresponding information.
  • the target base station configures MBMS service configuration information (ie, MBSFN subframe configuration information for the target NCT carrier, MBSFN notification configuration information for the target NCT carrier, and MBSFN region information for the target NCT carrier on the target secondary LCT cell).
  • MBMS service configuration information ie, MBSFN subframe configuration information for the target NCT carrier, MBSFN notification configuration information for the target NCT carrier, and MBSFN region information for the target NCT carrier on the target secondary LCT cell.
  • List is transmitted to the terminal through the SIB (s) (S1130).
  • the target base station may further transmit the MBMS service configuration relationship indicator to the terminal through the SIB (s).
  • MBSFN service frame configuration information for the target NCT carrier MBSFN notification configuration information for the target NCT carrier, MBSFN region information list for the target NCT carrier and the MBMS service configuration relationship indicator to be transmitted to the terminal through SIB15 It may be.
  • SIB15 is an example, of course, another SIB or a new SIB may be used to transmit the MBMS service configuration information and the MBMS service configuration person to the terminal.
  • the target secondary LCT cell performs cross-carrier configuration for the MBMS service for the target NCT cell
  • the MBSFN subframe configuration information, the MBSFN notification configuration information, and the MBSFN region information list included in the SIB (s) are targeted. Whether or not for the NCT carrier is to be distinguished as described above.
  • the terminal receives the MBMS service on the target NCT cell based on the MBSFN subframe configuration information, the MBSFN notification configuration information, and the MBSFN region information list for the target NCT carrier (S1140).
  • the UE may receive the MBMS service on the changed NCT cell and maintain continuity of the MBMS service.
  • the source base station UE performs MBMS service configuration information for the source NCT cell (or for the NCT cell) on the source secondary LCT cell, that is, the MBSFN subframe configuration information, the MBSFN notification configuration information, and the MBSFN region information list. Transmit to (S1200).
  • the source base station may transmit the MBSFN subframe configuration information to the terminal through SIB2 on the source secondary LCT cell, and transmit the MBSFN notification configuration information and the MBSFN region information list to the terminal through SIB13.
  • the UE may receive the MBMS service configuration information not only in the RRC connection mode but also in the idle mode.
  • the source base station may further transmit the MBMS service configuration relationship indicator to the terminal through the SIB13 on the source secondary LCT cell.
  • the MBMS service configuration relationship indicator may include at least one of the above-described assisted carrier information and assisted carrier information.
  • the source base station may transmit the MBSFN subframe configuration information, the MBSFN notification configuration information and the MBSFN region information list to the terminal on the source secondary LCT cell through SIB15.
  • the source base station may further transmit the MBMS service configuration relationship indicator to the terminal through the SIB15 on the source secondary LCT cell.
  • the MBMS service configuration relationship indicator may include at least one of the above-described assisted carrier information and assisted carrier information.
  • SIB15 is an example, of course, another SIB or a new SIB may be used to transmit the MBMS service configuration information and the MBMS service configuration person to the terminal.
  • MBSFN subframe configuration information whether the information on the corresponding NCT carrier can be distinguished based on the EARFCN value, or whether the information on the corresponding NCT carrier can be distinguished based on the MBSFN carrier index.
  • MBSFN notification configuration information it may be applied to all the signaled MBSFN regions in the same manner, or may be applied differently for each carrier based on the EARFCH value to distinguish whether it is information on a corresponding NCT carrier.
  • the MBSFN region information list may be classified as information on the corresponding NCT carrier based on the EARFCN value or the MBSFN carrier index.
  • the source base station receives a handover response message from the target base station (S1230).
  • the handover response message may include MBSFN subframe configuration information for the target NCT cell (or carrier), MBSFN notification configuration information for the target NCT cell, and MBSFN region information list for the target NCT cell.
  • the source base station transmits a handover command to the terminal on the source LCT cell (S1240).
  • the handover command includes the MBSFN subframe configuration information for the target NCT cell, the MBSFN notification configuration information for the target NCT cell, and the MBSFN region information list for the target NCT cell.
  • the handover command may be included in an RRC connection reconfiguration message and transmitted to the terminal.
  • the target base station transmits a handover response message to the source base station (S1310).
  • the handover response message may include MBSFN subframe configuration information for the target NCT cell (or carrier), MBSFN notification configuration information for the target NCT cell, and MBSFN region information list for the target NCT cell.
  • the target base station is the MBSFN subframe for the target NCT carrier of the frequency.
  • the configuration information, the MBSFN notification configuration information, and the MBSFN region information list may be included in the handover response message and transmitted to the source base station.
  • the target base station transmits the corresponding MBMS service to the terminal on the target NCT cell (S1320).
  • the target base station transmits the MBMS service including user data such as voice or video to the terminal on the target NCT cell.
  • steps S1300 to S1310 may be omitted.
  • the target base station broadcasts the MBMS service configuration information for the target NCT cell before S1320. It can be transmitted to the terminal through a message (SIB (s)).
  • the terminal receives MBMS service configuration information for the source NCT cell (or carrier) and MBMS service configuration relationship indicator from the source base station through the SIB (s) on the source auxiliary LCT cell of the source base station (S1500). ).
  • the terminal receives MBSFN subframe configuration information for the source NCT cell from the source base station through SIB2, MBSFN notification configuration information for the source NCT cell, MBSFN region information list for the source NCT cell, and MBMS service configuration relationship
  • the indicator may be received from the source base station via SIB13.
  • the terminal receives the MBSFN subframe configuration information for the source NCT cell, the MBSFN notification configuration information for the source NCT cell, the MBSFN region information list for the source NCT cell, and the MBMS service configuration relationship indicator from the source base station through SIB15.
  • SIB15 is an example
  • the UE is a MBSFN subframe configuration information for a source NCT cell, MBSFN notification configuration information for a source NCT cell, a list of MBSFN region information for a source NCT cell, and another MB or SBS for a new SIB.
  • it can also receive through.
  • the terminal selects the target secondary LCT cell by cell reselection (S1520).
  • the UE may perform the cell reselection based on the MBMS service configuration relationship indicator received in the S1500 procedure.
  • the terminal may receive the MBSFN subframe configuration information for the target NCT cell on the target secondary LCT cell from the target base station through SIB2, MBSFN notification configuration information for the target NCT cell, MBSFN region information for the target NCT cell
  • the list may be received from the target base station via SIB13.
  • the terminal may further receive the MBMS service configuration relationship indicator on the target secondary LCT cell from the target base station through SIB13.
  • the target secondary LCT cell performs cross-carrier configuration for the MBMS service for the target NCT cell
  • the MBSFN subframe configuration information, the MBSFN notification configuration information, and the MBSFN region information list included in the SIB (s) are targeted. Whether or not for the NCT carrier is to be distinguished as described above.
  • the terminal receives the MBMS service on the target NCT cell based on the MBSFN subframe configuration information for the target NCT cell, the MBSFN notification configuration information for the target NCT cell, and the MBSFN region information list for the target NCT cell (S1540). Accordingly, even when the UE performs cell reselection while receiving the MBMS service through the NCT cell in the idle mode, the UE may receive the MBMS service on the changed NCT cell and maintain continuity of the MBMS service.
  • 16 is a block diagram of a source base station, a target base station, and a terminal supporting continuity of MBMS service in consideration of an NCT carrier according to the present invention.
  • the terminal processor 1620 interprets the MBSFN subframe configuration information, the MBSFN notification configuration information, and the MBSFN region information list for the target NCT carrier (cell), and changes or changes the MBMS related configuration at the terminal based on the list. Reconstruct Based on this, the terminal receiver 1605 may receive an MBMS service from the source base station 1630 on the target NCT cell.
  • the terminal transmitter 1610 transmits an RRC connection reconfiguration complete message corresponding to the RRC connection reconfiguration message received by the terminal receiver 1605 to the source base station 1630.
  • the source base station 1630 includes a source transmitter 1635, a source receiver 1640, and a source processor 1650.
  • the source processor 1650 performs the functions and controls necessary to implement the features of the present invention as described above.
  • the source transmitter 1635 is configured to transmit the MBSFN subframe configuration information for the source NCT cell, the MBSFN notification configuration information for the source NCT cell, and the MBSFN region information list for the source NCT cell on the source auxiliary LCT cell. To send.
  • the source transmitter 1635 may RRC the MBSFN subframe configuration information for the source NCT cell, the MBSFN notification configuration information for the source NCT cell, and the MBSFN region information list for the source NCT cell. It may be included in the connection reconfiguration message and transmitted to the terminal 1600.
  • the source transmitter 1635 transmits the MBSFN subframe configuration information for the source NCT cell to the terminal 1600, including the SIB2, and the MBSFN notification configuration information for the source NCT cell, and the The MBSFN region information list for the source NCT cell may be included in the SIB13 and transmitted to the terminal 1600.
  • the source transmitter 1635 may further include the MBMS service configuration relationship indicator in the SIB13 and transmit the MBMS service configuration relationship indicator to the terminal 1600.
  • the source transmitter 1635 may include the MBSFN subframe configuration information for the source NCT cell, the BMSFN notification configuration information for the source NCT cell, and the MBSFN region information list for the source NCT cell.
  • the source transmitter 1635 transmits the MBMS service to the terminal 1600 on the source NCT cell.
  • the source transmitter 1635 may transmit the MBMS service including user data such as voice or video to the terminal 1600 on the source NCT cell.
  • the source transmitter 1635 transmits the generated handover request message to the target base station 1660.
  • the source processor 1650 interprets the handover response message, and the MBSFN subframe configuration information for the target NCT cell, the MBSFN notification configuration information for the target NCT cell, and the MBSFN region for the target NCT cell. Generate the handover command message including a list of information.
  • the source transmitter 1635 includes the MBSFN subframe configuration information for the target NCT cell, the MBSFN notification configuration information for the target NCT cell, and the MBSFN region information list for the target NCT cell.
  • the over command message is transmitted to the terminal 1600.
  • the target base station 1660 includes a target receiving unit 1665, a target transmitting unit 1670, and a target processor 1680.
  • the target processor 1680 performs functions and controls necessary to implement the features of the present invention as described above.
  • the target processor 1680 includes a handover response message including the MBSFN subframe configuration information for the target NCT cell, the MBSFN notification configuration information for the target NCT cell, and the MBSFN notification configuration information for the target NCT cell.
  • the target transmitter 1670 includes the MBSFN subframe configuration information for the target NCT cell, the MBSFN notification configuration information for the target NCT cell, and the MBSFN notification configuration information for the target NCT cell.
  • the response message source base station 1630 is sent.
  • the target processor 1680 determines that the terminal 1600 performs reselection to a target secondary LCT cell configured in the target base station 1660 in an RRC idle mode, MBMS service configuration information for the target NCT cell (ie, MBSFN subframe configuration information for the target NCT cell, MBSFN notification configuration information for the target NCT cell, and MBSFN region information list for the target NCT cell) in the SIB (s), thereby providing a target transmitter 1670.
  • the target processor 1680 may further include the MBMS configuration relationship indicator in the SIB (s) and further transmit the target processor 1670 to the terminal 1600 on the target secondary LCT cell through the target transmitter 1670.
  • the target processor 1680 may use the SIB15 (or the MBSFN subframe configuration information for the target NCT cell, the MBSFN notification configuration information for the target NCT cell, and the MBSFN notification configuration information for the target NCT cell. In addition to the new SIB, it may be transmitted to the terminal 1600 on the target auxiliary LCT cell through the target transmitter 1670. In addition, the target processor 1680 may further include the MBMS service configuration relationship indicator in the SIB15 (or a new SIB) and transmit the MBMS service configuration relationship indicator to the terminal 1600 through the target transmitter 1670.

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

Abstract

La présente invention concerne un procédé permettant de prendre en charge la continuité d'un MBMS par la prise en considération d'une onde porteuse NCT dans un système de communication sans fil et un appareil associé, et le procédé est caractérisé en ce qu'il comprend les étapes consistant à : recevoir des informations de construction de service MBMS pour une cellule source NCT par une cellule source auxiliaire ; recevoir un MBMS à partir de la station de base source par la cellule source NCT sur la base des informations de construction de service MBMS pour la cellule source NCT ; recevoir une commande de transfert intercellulaire comprenant les informations de construction de service MBMS pour une cellule cible NCT à partir de la station de base source par la cellule source LCT auxiliaire ; et recevoir un MBMS à partir de la station de base cible par la cellule cible NCT sur la base des informations de construction de service MBMS pour la cellule cible NCT.
PCT/KR2014/002797 2013-04-02 2014-04-01 Procédé permettant de prendre en charge une continuité de mbms par la prise en considération d'une onde porteuse nct et appareil associé WO2014163382A1 (fr)

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Application Number Priority Date Filing Date Title
KR20130036067 2013-04-02
KR10-2013-0036067 2013-04-02
KR20130043020A KR20140120227A (ko) 2013-04-02 2013-04-18 Nct 반송파를 고려한 mbms 연속성 지원 방법 및 그 장치
KR10-2013-0043020 2013-04-18

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WO2016140538A1 (fr) * 2015-03-03 2016-09-09 엘지전자 주식회사 Procédé d'émission et de réception de signaux liés à des mbms dans un système de communication sans fil, et dispositif à cet effet
WO2016178526A1 (fr) * 2015-05-07 2016-11-10 엘지전자 주식회사 Procédé et dispositif pour recevoir des informations sur une station de base connectée à une entité de coordination multicellulaire par une entité de gestion de mobilité
WO2018021812A1 (fr) * 2016-07-26 2018-02-01 엘지전자 주식회사 Procédé et dispositif pour recevoir des informations de commande de services mbms par le biais d'un faisceau

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US20110205952A1 (en) * 2008-11-07 2011-08-25 Zte Corporation Transmitting method and device for scheduling information
US20120213130A1 (en) * 2011-02-23 2012-08-23 Qualcomm Incorporated Carrier aggregation for evolved multimedia broadcast multicast service enhancement
US20120236776A1 (en) * 2011-03-17 2012-09-20 Qualcomm Incorporated Target cell selection for multimedia broadcast multicast service continuity
WO2012150498A1 (fr) * 2011-05-02 2012-11-08 Alcatel Lucent Procédé et dispositif pour lancer un rapport d'état relatif à la réception de services mbms

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Publication number Priority date Publication date Assignee Title
US20110205952A1 (en) * 2008-11-07 2011-08-25 Zte Corporation Transmitting method and device for scheduling information
US20120213130A1 (en) * 2011-02-23 2012-08-23 Qualcomm Incorporated Carrier aggregation for evolved multimedia broadcast multicast service enhancement
US20120236776A1 (en) * 2011-03-17 2012-09-20 Qualcomm Incorporated Target cell selection for multimedia broadcast multicast service continuity
WO2012150498A1 (fr) * 2011-05-02 2012-11-08 Alcatel Lucent Procédé et dispositif pour lancer un rapport d'état relatif à la réception de services mbms

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016140538A1 (fr) * 2015-03-03 2016-09-09 엘지전자 주식회사 Procédé d'émission et de réception de signaux liés à des mbms dans un système de communication sans fil, et dispositif à cet effet
WO2016178526A1 (fr) * 2015-05-07 2016-11-10 엘지전자 주식회사 Procédé et dispositif pour recevoir des informations sur une station de base connectée à une entité de coordination multicellulaire par une entité de gestion de mobilité
WO2018021812A1 (fr) * 2016-07-26 2018-02-01 엘지전자 주식회사 Procédé et dispositif pour recevoir des informations de commande de services mbms par le biais d'un faisceau
US11019601B2 (en) 2016-07-26 2021-05-25 Lg Electronics Inc. Method and device for receiving MBMS control information through beam

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