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WO2011157090A1 - Procédé et dispositif de notification de libération de support mbms - Google Patents

Procédé et dispositif de notification de libération de support mbms Download PDF

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Publication number
WO2011157090A1
WO2011157090A1 PCT/CN2011/073935 CN2011073935W WO2011157090A1 WO 2011157090 A1 WO2011157090 A1 WO 2011157090A1 CN 2011073935 W CN2011073935 W CN 2011073935W WO 2011157090 A1 WO2011157090 A1 WO 2011157090A1
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WIPO (PCT)
Prior art keywords
mbms
message
service
mce
mbms service
Prior art date
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Ceased
Application number
PCT/CN2011/073935
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English (en)
Chinese (zh)
Inventor
张大钧
杨晓东
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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
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Publication of WO2011157090A1 publication Critical patent/WO2011157090A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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 the field of communications technologies, and in particular, to a method and an apparatus for MBMS bearer release notification. Background technique
  • MBMS Multimedia Broadcast Multicast Service
  • LTE Long Term Evolution
  • the UE User Equipment
  • eMBMS evolved MBMS
  • the main function of the MBMS is in the LTE system.
  • MBSFN Multimedia Broadcast Multicast Service Single Frequency Network
  • Transmission A simulcast transmission technology that is implemented by simultaneously transmitting consistent signal waveforms in multiple cells.
  • MBSFN Area An MBSFN area contains a group of cells in a MBSFN synchronization area in the network.
  • BCCH Broadcast Control Channel
  • MCCH Multicast Control Channel: is a point-to-multipoint downlink channel used by the network to transmit MBMS-related control information to the UE, where one MCCH can correspond to On one or more MTCHs.
  • MTCH Multicast Traffic Channel
  • the MTCH information is indicated by its corresponding MCCH.
  • the network uses the BCCH to indicate the MCCH to the UE, and then uses the MCCH to indicate the MTCH to the UE, so as to achieve the purpose of enabling the UE to receive the MBMS service carried on the MTCH.
  • the logical architecture of the MBMS shown in Figure 2 mainly includes MME (Mobility Management Entity), MCE (Multi-cell/multicast Coordination Entity), MBMS GW (gateway, gateway). , eNB (base station) entity and Ml, M2, M3 interface. Among them, in the logical structure of the MBMS:
  • MCE a logical entity, responsible for allocating radio resources allocated by the eNB for MBSFN transmission in the MBSFN area, including allocation of time-frequency resources, selection of coded modulation mode, MCE is also responsible for transmitting MBMS session control signaling; and, between MCE and UE There is no signaling transmission.
  • MBMS GW A logical entity responsible for data transmission on the data plane and transmitting MBMS session control signaling to the MME, and transmitting data of the user plane to the eNB in an IP multicast manner.
  • M3 interface the interface between the MCE and the MME, the phase is defined for the interface
  • the application function should be used for the EPS (Evolved Packet System) bearer level MBMS session control signaling interaction.
  • the related session control process includes: MBMS Session (Start) and MBMS Session Stop (Stop), and the signaling transmission of the interface uses the SCTP (Stream Control Transmission Protocol) protocol, that is, the interface The signaling transmission is done point to point.
  • SCTP Stream Control Transmission Protocol
  • M2 interface A logical interface between the MCE and the eNB, the corresponding application function is defined for the interface to transmit the wireless configuration parameters required by the multi-cell transmission mode eNB, and the session control signaling.
  • the signaling transmission of this interface uses the SCTP protocol, that is, the signaling transmission of the interface is performed point-to-point.
  • the transmission path of the control plane information is: From the MME MCE eNB.
  • M ⁇ interface The logical interface between the MBMS gateway and the eNB.
  • the interface is a user plane interface, that is, the control plane application function is not defined on the interface.
  • the transmission of the user packet pointing to the single cell and the multi cell is performed on the IP multicast.
  • PTM point to multiple points.
  • the transmission path of user plane data is: MBMS GW to eNB.
  • the MBMS service of the high priority is used to preempt the low priority MBMS service in the MBMS; the MBSFN transmission function of a certain service is closed; and the SA (service) area adjustment function is implemented.
  • the present invention provides a method and a device for releasing an MBMS bearer release notification, so as to release a resource according to a network indication, and enable the user to know the cause of the MBMS bearer release, and improve the user experience.
  • an embodiment of the present invention provides a method for releasing an MBMS bearer release notification, including:
  • the MCE sends an MBMS 7 bearer release message to the base station, where the MBMS bearer release message carries the reason for the release of the MBMS bearer.
  • An embodiment of the present invention provides an apparatus for performing an MBMS bearer release notification, including: a determining module, configured to determine that an current MBMS service needs to be adjusted; and a sending module, configured to: when the determining module determines that a current MBMS service needs to be performed on the UE When the adjustment is performed, the MBMS bearer release message is sent to the base station, where the MBMS bearer release message carries the reason for the release of the MBMS bearer.
  • An embodiment of the present invention provides a method for releasing an MBMS bearer release, including: receiving, by a base station, an MBMS bearer release message, where the MBMS bearer release message carries the MBMS bearer release reason;
  • the base station notifies the user equipment UE of the reason for releasing the MBMS bearer by using an air interface message.
  • An embodiment of the present invention provides an apparatus for releasing an MBMS bearer release, which includes: a receiving module, configured to receive an MBMS bearer release message, where the MBMS bearer release message carries a reason for releasing the MBMS bearer;
  • the notification module is configured to notify the user equipment UE of the reason for releasing the MBMS bearer received by the receiving module by using an air interface message.
  • An embodiment of the present invention provides a method for releasing an MBMS bearer release notification, including: receiving, by a UE, an air interface message from a base station;
  • the UE releases the corresponding bearer according to the air interface message.
  • An embodiment of the present invention provides an apparatus for releasing an MBMS bearer release notification, including: a receiving module, configured to receive an air interface message from the base station; the air interface message carries a reason for releasing the bearer;
  • a release module configured to release the corresponding bearer according to the air interface message received by the receiving module.
  • the embodiment of the invention has at least the following advantages:
  • the UE can release the resource according to the indication of the network, and knows that it cannot receive the MBMS service due to non-signal reasons, thereby improving the user experience.
  • FIG. 1 is a schematic diagram of a concept related to MBMS in the prior art
  • FIG. 2 is a schematic diagram of a logical architecture of an MBMS in the prior art
  • FIG. 3 is a schematic flowchart of a method for releasing an MBMS bearer release notification according to Embodiment 1 of the present invention
  • FIG. 4 is a schematic flowchart of a method for releasing an MBMS bearer release notification according to Embodiment 2 of the present invention
  • FIG. 5 is a schematic flowchart of a method for releasing an MBMS bearer release notification according to Embodiment 3 of the present invention.
  • FIG. 6 is a schematic diagram of expanding in a PMCH-InfoList information element of an MCCH according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic flowchart of a method for releasing an MBMS bearer release notification according to Embodiment 4 of the present invention.
  • FIG. 8 is a schematic diagram of expanding in a PMCH-InfoList information element of an MCCH according to Embodiment 4 of the present invention.
  • FIG. 9 is a schematic structural diagram of an apparatus for releasing an MBMS bearer release notification according to an embodiment of the present disclosure.
  • FIG. 10 is another device for releasing MBMS bearer release notification according to an embodiment of the present invention. Schematic;
  • FIG. 11 is a schematic structural diagram of another apparatus for releasing MBMS bearer release notification according to an embodiment of the present invention. detailed description
  • the high-priority MBMS service preempts the function of low-priority MBMS service resources.
  • the introduction of the function allows the network to preempt the low-priority MBMS service resources as needed when no high-priority MBMS service arrives.
  • SA business area adjustment function.
  • the operator can adjust the SA area according to certain policies. If the service area is adjusted when some services are not sent, the service will be interrupted.
  • the introduction of the high-priority MBMS service to preempt the low-priority MBMS service resource function and the MBSFN transmission function of a certain service may affect the reception of the MBMS service of the UE.
  • the low-priority service is interrupted.
  • the operator closes the MBSFN transmission of an MBMS service the MBMS service is also interrupted.
  • the UE that is receiving these services will not be able to continue to receive the MBMS service, and the UE does not know what causes the user to continue to receive the MBMS service, thereby causing a bad user experience.
  • the embodiment of the present invention provides a method, a device, and a system for releasing an MBMS bearer release notification, so that the UE can release the resource according to the indication of the network, and know that the user cannot receive the MBMS service due to non-signal reasons, thereby improving the user's use.
  • the embodiment of the present invention provides a method, a device, and a system for releasing an MBMS bearer release notification, so that the UE can release the resource according to the indication of the network, and know that the user cannot receive the MBMS service due to non-signal reasons, thereby improving the user's use.
  • Embodiment 1 of the present invention A method for releasing an MBMS bearer release notification is provided in Embodiment 1 of the present invention. As shown in FIG. 3, the method includes the following steps:
  • Step 301 The MCE determines that the current MBMS service of the UE needs to be adjusted.
  • Step 302 The MCE sends an MBMS bearer release message to the base station, where the MBMS bearer release message carries the reason for the release of the MBMS bearer.
  • the MCE determines that the current MBMS service of the UE needs to be adjusted, and includes: when the MCE learns that the high-priority MBMS service preempts the low-priority MBMS service, the MCE determines that the current low priority of the UE is required.
  • the MBMS service is adjusted; or, when the MCE learns to terminate the MBMS service, the MCE determines that the current MBMS service of the UE needs to be adjusted; or, when the MCE learns to adjust the SA area, the MCE It is determined that the MBMS service in the current SA area of the UE needs to be adjusted.
  • the MCE sends, by the MCE, the MBMS bearer release message to the base station, the MCE notifying the base station to stop the MBMS service by using the session stop message, where the MCE carries the MBMS bearer release If the MCE learns that the high-priority MBMS service preempts the low-priority MBMS service, the MCE notifies the base station to stop using the session stop message.
  • the MCE learns When the SA area is adjusted, the MCE notifies the base station to change the coverage area of the MBSFN by using the MCE configuration update message, and notifies the base station to update the adjusted SA service to the bearer of the MBMS RAB by using the MBMS scheduling information, where the MCE The reason why the MBMS bearer is released is included in the configuration update message.
  • the MCE sends an MBMS bearer release message to the base station, where the MCE sends an MBMS bearer release message to the base station by using the M2 interface.
  • the base station After the base station receives the MBMS bearer release message, the base station notifies the user equipment UE of the reason for releasing the MBMS bearer by using an air interface message.
  • the base station notifying the user equipment UE of the reason for releasing the MBMS bearer by using an air interface message includes: the base station acquiring, by using the MBMS bearer release message, the reason for releasing the MBMS bearer, and The reason for the MBMS bearer release is carried in the air interface message; the base station sends the air interface message to the UE by using a broadcast control channel BCCH channel or a multicast control channel MCCH channel.
  • the UE needs to release the corresponding bearer according to the air interface message.
  • the MBMS bearer release message corresponds to one or more of the following contents: corresponding MBMS service; corresponding MCH channel; corresponding MBSFN area; corresponding frequency.
  • the UE can release the resource according to the indication of the network, and knows that the UE cannot receive the MBMS service due to non-signal reasons, thereby improving the user experience.
  • a second embodiment of the present invention provides a method for releasing an MBMS bearer release notification. As shown in FIG. 4, the method includes the following steps:
  • Step 401 The MCE determines that the current MBMS service of the UE needs to be adjusted. Specifically, when the network side determines that a high-priority MBMS service needs to preempt the low-priority MBMS service, or the network side determines that the MBMS service needs to be terminated, or the network side determines that the SA area needs to be performed according to the preset policy. When adjusting, the MCE determines that the current service of the UE needs to be adjusted.
  • the MCE determines that service 2 of the UE needs to be adjusted; when the network side determines that service 2 needs to be terminated, the MCE determines that it needs to The service 2 of the UE is adjusted.
  • Step 402 The MCE sends a bearer release message to the base station.
  • the bearer release message carries the reason for releasing the MBMS bearer, and the base station may be an eNB.
  • bearer release message to carry the MBMS bearer release is not limited, and may be carried by other messages, which are not described in detail in the embodiment of the present invention.
  • the MCE needs to send a bearer release message to the eNB.
  • the MCE notifies the affected eNB (that is, the eNB that needs to adjust the MBMS service) through the M2 interface, and requires the eNB to release the corresponding bearer.
  • the MCE when the network side determines that an MBMS service needs to be terminated, the MCE needs to stop the MBMS service that needs to be terminated by using the session stop message.
  • the process of stopping the message is specifically as follows: The MCE sends an MBMS session stop message to the base station, and the base station returns an MBMS session stop response to the MCE.
  • the MCE When the network side determines that a high-priority MBMS service needs to preempt the low-priority MBMS service, the MCE needs to stop the MBMS service that needs to be terminated by the session stop message (that is, the low-priority MBMS service that needs to be preempted). ).
  • the process of stopping the message is specifically as follows: The MCE sends an MBMS session stop message to the base station, and the base station returns an MBMS session stop response to the MCE.
  • the MCE needs to update the corresponding MBMS RAB (Redio Access Bearer) bearer through MBMS Scheduling Information, that is, update the high priority MBMS service to the MBMS RAB through MBMS Scheduling Information. Hosted on.
  • the MBMS Scheduling Information process is specifically as follows: The MCE sends MBMS Scheduling Information to the base station, and the base station returns an MBMS Scheduling Information response to the MCE.
  • the MCE configuration update process is specifically as follows: The MCE sends an MCE configuration update message to the base station, and the base station returns an MCE configuration update confirmation message to the MCE.
  • the MCE needs to update the corresponding MBMS RAB bearer through the MBMS session update process and the MBMS Scheduling Information process, and the adjusted SA service is updated to the bearer of the MBMS RAB.
  • the MBMS session update process is specifically: the MCE sends an MBMS session update request to the base station, and the base station returns an MBMS session update response to the MCE.
  • the MBMS Scheduling Information process is specifically: the MCE sends the MBMS Scheduling Information to the base station, and the base station returns the MBMS to the MCE. Scheduling Information response.
  • the MBSFN coverage area needs to be deleted through the MCE CONFIGURATION UPDATE procedure, and the corresponding MBMS RAB needs to be updated through the MBMS session stop procedure and the MBMS Scheduling Information procedure.
  • the session stop process or the MCE configuration update process may be extended to increase the reason for the release of the bearer. That is, in the embodiment of the present invention, when the MCE sends the MBMS session stop message or the MCE configuration update message to the base station, the reason for the bearer release needs to be carried in the MBMS session stop message or the MCE configuration update message, so that the UE can learn that the MBMS cannot be received. The reason for the business.
  • the carrier is released because the high-priority MBMS service preempts the low-priority MBMS service; when the MBMS service is terminated, the bearer is released.
  • the reason is that the MBMS service needs to be terminated.
  • the reason for the release of the bearer is to adjust the SA area, which is not described in detail in the embodiment of the present invention.
  • the content corresponding to the bearer release includes, but is not limited to, corresponding to a certain MBMS service, corresponding to a certain MCH channel, corresponding MBSFN area, and corresponding to a certain one. Frequency, etc.
  • Step 403 The base station notifies the UE to release the corresponding bearer, and notifies the UE of the reason for the release.
  • the base station may notify the UE to release the corresponding bearer by using an air interface message, and carry the reason for the UE to release the bearer in the air interface message.
  • the air interface message may be an MBMS bearer release message.
  • the base station in the process of notifying the UE to release the corresponding bearer through the air interface, and releasing the bearer, the base station may notify the UE by using a broadcast channel, for example, The base station may notify the UE to release the corresponding bearer through the BCCH channel or the MCCH channel, and release the bearer.
  • the message carrying the release reason needs to have a corresponding service identifier and the reason for the release.
  • Step 404 The UE releases the corresponding bearer according to the indication of the base station.
  • the UE after receiving the release notification, the UE will release the corresponding bearer according to the indication of the base station, and the UE may release the resource according to the indication of the network, and know that the UE is not a signal because the base station has notified the UE of the reason for the release of the UE.
  • the reason is that the MBMS service cannot be received, thereby improving the user experience.
  • the third embodiment of the present invention provides a method for releasing an MBMS bearer release notification.
  • a separate procedure is used to notify a UE to release a service bearer of an MBMS, that is, release by an independent MBMS service bearer release process.
  • the method includes the following steps:
  • Step 501 When it is determined that the current MBMS service of the UE needs to be adjusted, the MCE sends a bearer release message to the base station by using the M2 interface.
  • the case where the network side determines that a high-priority MBMS service needs to occupy a low-priority MBMS service is taken as an example.
  • the MCE first stops the MBMS service that needs to be terminated by the session stop message, and then updates the corresponding MBMS RAB bearer through the MBMS scheduling information.
  • the MBMS Session List per PMCH information element includes the MBMS service 1 and the MBMS service 3 before the M2 interface sends the bearer release message to the base station.
  • the specific content is shown in Table 2.
  • the MBMS service When it is determined that the current MBMS service of the UE needs to be adjusted, the MBMS service will be used.
  • the MBMS Session List per PMCH information element includes MBMS service 1 and MBMS service 2, as shown in Table 3.
  • Step 502 The base station carries an MBMS service bearer release message in the MCCH, and notifies the UE to release the corresponding 7-load and the reason for the UE release by using the MCCH.
  • the extension may be performed in the PMCH-InfoList information element of the MCCH (the extended part is the black body part in FIG. 6), so as to carry the MBMS service bearer release message.
  • SA indicates that the business area is being adjusted.
  • Disable indicates that the MBSFN transmission of a service is deactivated.
  • Step 503 The UE receives the MCCH, and releases the corresponding bearer according to the release indication of the MCCH.
  • the fourth embodiment of the present invention provides a method for releasing an MBMS bearer release notification.
  • a process for releasing a MBSFN area bearer is notified.
  • the method includes the following steps:
  • Step 701 When it is determined that the current MBMS service needs to be adjusted, the MCE sends a bearer release message to the base station by using the M2 interface to notify the base station to release the MBMS bearer of the entire MBSFN area.
  • the network side determines that the adjustment of the SA area needs to be performed according to the preset policy.
  • the MCE first changes the coverage area of the MBSFN through the MCE configuration update message notification, and then updates the corresponding MBMS RAB through the MBMS session update process and the MBMS Scheduling Information procedure.
  • the MCE configuration update message is shown in Table 5:
  • the MBSFN Area ID information element (including MBSFN areas 1 and 3) included in the MCCH related BCCH Configuration data Item IEs is modified, and the modified MBSFN Area ID information element (including only the MBMS area 1) ).
  • the above modification information indicates that all MBMS bearers of the MBSFN area 3 are released.
  • the MBMS scheduling information is shown in Table 6:
  • modify the previous MBSFN Area ID information element including MBSFN areas 1 and 3) and the modified MBSFN Area ID information element (including MBMS area 1 only).
  • the above modification information indicates that all MBMS bearers of the MBSFN area 3 are released.
  • Step 702 The base station carries an MBMS service bearer release message in the MCCH, and notifies the UE to release the corresponding 7-load and the reason for the UE release through the MCCH.
  • the extension may be performed in the PMCH-InfoList information element of the MCCH (the extended part is the black body part in FIG. 8), so as to carry the MBMS service bearer release message.
  • Step 703 The UE receives the MCCH, and releases the corresponding bearer according to the release indication of the MCCH.
  • the device of the present invention further provides an apparatus for releasing an MBMS bearer release notification.
  • the method includes:
  • the determining module 11 is configured to determine that the current MBMS service of the UE needs to be adjusted.
  • the sending module 12 is configured to: when the determining module 11 determines that the current MBMS service needs to be adjusted, send an MBMS bearer release message to the base station, where the MBMS bearer release message carries the MBMS bearer release reason.
  • the determining module 11 is specifically configured to: when the MBMS service of the high priority is preempted to preempt the low priority MBMS service, determine that the current low priority MBMS service needs to be adjusted; or, when the MBMS service is terminated, It is determined that the current MBMS service of the UE needs to be adjusted; or, when the SA area is adjusted, it is determined that the MBMS service in the current SA area of the UE needs to be adjusted.
  • the sending module 12 is specifically configured to notify the base station to stop the MBMS service by using a session stop message, and the reason why the MBMS bearer is released in the session stop message; or, the high priority MBMS is learned.
  • the base station stops the low-priority MBMS service by using the session stop message, and notifies the base station to update the MBMS RAB 7 to carry the high-priority MBMS service by using the MBMS scheduling information.
  • the session stop message carries the reason for releasing the MBMS bearer; or, the notification is performed on the SA area.
  • the MCE configuration update message is used to notify the base station to change the coverage area of the MBSFN, and the MBMS scheduling information is used to notify the base station to update the adjusted SA service to the bearer of the MBMS RAB, where the MCE configuration update message carries the MBMS bearer. The reason for the release.
  • the sending module 12 is specifically configured to send an MBMS bearer release message to the base station by using an M2 interface.
  • the MBMS bearer release corresponds to one or more of the following contents: corresponding MBMS service; corresponding MCH channel; corresponding MBSFN area; corresponding frequency.
  • modules of the device of the present invention may be integrated or integrated.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the device of the present invention further provides an apparatus for releasing an MBMS bearer release notification.
  • the method includes:
  • the receiving module 21 is configured to receive an MBMS bearer release message, where the MBMS bearer release message carries the MBMS bearer release reason.
  • the notification module 22 is configured to notify the user equipment UE of the reason for releasing the MBMS bearer received by the receiving module 21 by using an air interface message.
  • the receiving module 21 is specifically configured to: when the MCE determines that the current MBMS service needs to be adjusted, receive an MBMS 7
  • the current MBMS service of the UE needs to be adjusted, specifically: when the high-priority MBMS service preempts the low-priority MBMS service, the current low-priority MBMS service needs to be adjusted; or When the MBMS service is terminated, the current MBMS service of the UE needs to be adjusted; or, when the SA area is adjusted, the MBMS service in the current SA area of the UE is required. Make adjustments.
  • the notification module 22 is specifically configured to: obtain the reason for releasing the MBMS bearer from the MBMS bearer release message, and carry the reason for releasing the MBMS bearer in the air interface message; by using a broadcast control channel BCCH channel or The multicast control channel MCCH channel transmits the air interface message to the UE.
  • modules of the device of the present invention may be integrated or integrated.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the device of the present invention further provides an apparatus for releasing an MBMS bearer release notification.
  • the method includes:
  • the receiving module 31 is configured to receive an air interface message from the base station, where the air interface message carries a reason for releasing the bearer.
  • the release module 32 is configured to release the corresponding 7
  • modules of the device of the present invention may be integrated or integrated.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the UE can release resources according to the indication of the network, and know that it cannot receive the MBMS service due to non-signal reasons, thereby improving the user experience.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for causing a Computer equipment (can be a personal computer, service)
  • the server, or network device, etc. performs the methods described in various embodiments of the present invention.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or may be correspondingly changed in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention porte sur un procédé et un dispositif de notification de libération de support de service de diffusion/multidiffusion multimédia (MBMS). Le procédé comprend l'opération suivante : lorsqu'une entité de coordination MBMS (MCE) détermine que le service MBMS courant d'un équipement utilisateur (UE) doit être ajusté, ladite MCE envoie un message de libération de support MBMS à un nœud B évolué (eNB), ledit message de libération de support MBMS contenant des causes de libération de support MBMS. Dans la présente invention, l'UE peut libérer une ressource conformément à des indications du réseau, et savoir que ce n'est pas pour une raison de signal qu'il ne peut pas recevoir lui-même le service MBMS, de sorte que l'expérience d'utilisation de l'utilisateur est améliorée.
PCT/CN2011/073935 2010-06-18 2011-05-11 Procédé et dispositif de notification de libération de support mbms Ceased WO2011157090A1 (fr)

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CN201010210468.5A CN102291679B (zh) 2010-06-18 2010-06-18 一种mbms承载释放通知的方法和设备
CN201010210468.5 2010-06-18

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CN110366272A (zh) * 2018-04-09 2019-10-22 华为技术有限公司 传输消息的方法和装置

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