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    • 32. 发明申请
    • Method and system for data transmission of multimedia broadcast/multicast service
    • 多媒体广播/组播业务的数据传输方法及系统
    • US20070275742A1
    • 2007-11-29
    • US11639628
    • 2006-12-15
    • Hai Zhang
    • Hai Zhang
    • H04Q7/20H04Q7/24
    • H04W4/06H04L12/189H04W28/24H04W72/005H04W76/10
    • A method for transmitting Multimedia Broadcast/Multicast Service (MBMS) data, comprising: sending, by a Broadcast/Multicast-Service Center (BM-SC), a Session Start Request with information of an MBMS service area to a Base Station Controller/Radio Network Controller (BSC/RNC) through a Gateway GPRS Support Node (GGSN) and a Serving GPRS Support Nodes (SGSN) of a core network; receiving the Session Start Request by the BSC/RNC, and building an Iu bearer plane by the core network and the BSC/RNC whose covering area overlaps the MBMS service area in the Session Start Request; allocating transmission resources for a data transmission of a MBMS service by the BSC/RNC whose covering area overlaps the MBMS service area in the Session Start Request, so as to provide the MBMS service to a user terminal. And the present invention also provides a system for implementing the method.
    • 一种用于发送多媒体广播/组播服务(MBMS)数据的方法,包括:通过广播/组播服务中心(BM-SC)将具有MBMS服务区域的信息的会话开始请求发送到基站控制器/无线电 网络控制器(BSC / RNC)通过核心网络的网关GPRS支持节点(GGSN)和服务GPRS支持节点(SGSN); 由BSC / RNC接收会话开始请求,并由核心网络和覆盖区域与会话开始请求中的MBMS服务区域重叠的BSC / RNC建立Iu承载平面; 为覆盖区域与会话开始请求中的MBMS服务区域重叠的BSC / RNC分配用于MBMS服务的数据传输的传输资源,以向用户终端提供MBMS服务。 本发明还提供一种实现该方法的系统。
    • 33. 发明申请
    • Method and System for Controlling Multimedia Broadcast Multicast Service Session Procedure
    • 控制多媒体广播多播服务会话过程的方法和系统
    • US20070213081A1
    • 2007-09-13
    • US11741185
    • 2007-04-27
    • Hai Zhang
    • Hai Zhang
    • H04Q7/20
    • H04L12/189H04L41/00H04W72/005
    • Embodiments of the invention provide a method and a system for controlling the Multimedia Broadcast/Multicast Service (MBMS) session procedure, the method including: configuring in a BM-SC a list of downstream nodes for the BM-SC and a list of downstream nodes for each GGSN listed in the list of downstream nodes for the BM-SC; sending by the BM-SC to each GGSN listed in the list of downstream nodes for the BM-SC a session start request message containing the list of downstream nodes for each GGSN itself; sending by the GGSN a session start request message to the SGSN listed in the list of downstream nodes for the GGSN. The session start procedure and the session stop procedure may be automatically controlled in accordance with the embodiments of the invention, thereby reducing the probability that a service is in error and raising the efficiency of providing services.
    • 本发明的实施例提供了一种用于控制多媒体广播/组播服务(MBMS)会话过程的方法和系统,所述方法包括:在BM-SC中配置用于BM-SC的下游节点列表和下游节点列表 对于BM-SC的下游节点列表中列出的每个GGSN; 由BM-SC向BM-SC下游节点列表中列出的每个GGSN发送包含每个GGSN本身的下游节点列表的会话开始请求消息; 由GGSN向GGSN的下游节点列表中列出的SGSN发送会话开始请求消息。 可以根据本发明的实施例自动控制会话启动过程和会话停止过程,从而降低服务错误的可能性并提高提供服务的效率。
    • 34. 发明申请
    • MULTIMEDIA BROADCAST MULTICAST SERVICE SESSION START
METHOD AND SYSTEM THEREOF
    • 多媒体广播多媒体服务会议开始
    • US20070197235A1
    • 2007-08-23
    • US11548813
    • 2006-10-12
    • Hai Zhang
    • Hai Zhang
    • H04Q7/20
    • H04W72/005H04L12/1877H04L12/189
    • The present invention discloses a Multimedia Broadcast/Multicast service (MBMS) session start method and a system thereof. The MBMS session start method includes the steps of: an MBMS Center (BM-SC) initiating a session start request message via a GGSN to an SGSN; receiving the MBMS session start request message, the SGSN sending the MBMS session start request message to an element of a Radio Access Network (RAN); receiving the MBMS session start request message, the element of the RAN checking whether to establish a bearer plane for the MBMS session, if establishing, activating an MBMS bearer context and the RAN establishing radio resources to the user equipment (UE). The element of the RAN may be a BSC/RNC. The method and the system thereof make it possible to optimize the system performance, reduce the resource waste of the radio network, and lower the complexity of the system processing.
    • 本发明公开了一种多媒体广播/组播服务(MBMS)会话启动方法及其系统。 MBMS会话启动方法包括以下步骤:经由GGSN向SGSN发起会话开始请求消息的MBMS中心(BM-SC); 接收MBMS会话开始请求消息,SGSN向无线电接入网络(RAN)的元素发送MBMS会话开始请求消息; 接收MBMS会话开始请求消息,RAN的元素检查是否建立MBMS会话的承载平面,如果建立,激活MBMS承载上下文,并且RAN建立无线资源给用户设备(UE)。 RAN的元素可以是BSC / RNC。 该方法及其系统使得可以优化系统性能,减少无线网络的资源浪费,降低系统处理的复杂性。
    • 35. 发明申请
    • Method of implementing multicasting service
    • 多播服务的实现方法
    • US20070136759A1
    • 2007-06-14
    • US10579254
    • 2004-11-15
    • Hai ZhangWenlin Zhang
    • Hai ZhangWenlin Zhang
    • H04N7/16
    • H04N7/17318H04N21/2221H04N21/25808H04N21/25833
    • The present invention discloses a method for implementing Multimedia Broadcast Multicast Service (MBMS), wherein multiple service modes are set for the MBMS and each service mode is corresponding to a path, a user equipment (UE) activates at least one service mode supported by the current network and receives the MBMS data in the corresponding path of the activated service mode from the network side. This method guarantees that UE covered by networks of multiple types can safely receive the subscribed MBMS data. When the current network covering UE fails to support the activated service mode, the UE will activate a service mode that the current network supports such that the UE can receive the MBMS data in this service mode. Therefore, it is ensured that UE can receive the subscribed MBMS data in any network environments, thus satisfying subscribers' demands to a larger extent.
    • 本发明公开了一种实现多媒体广播组播业务(MBMS)的方法,其中针对MBMS设置多种业务模式,每种业务模式对应一条路径,用户设备(UE)激活至少一种业务模式 并从网络侧接收激活的服务模式的相应路径中的MBMS数据。 该方法保证由多种类型的网络覆盖的UE可以安全地接收订阅的MBMS数据。 当UE覆盖的当前网络不能支持激活的业务模式时,UE将激活当前网络支持的业务模式,使得UE能够以该业务模式接收MBMS数据。 因此,确保UE可以在任何网络环境中接收订阅的MBMS数据,从而在更大程度上满足用户的需求。
    • 36. 发明申请
    • Method for multimedia broadcast/multicast service registration
    • 多媒体广播/组播服务注册方法
    • US20070014291A1
    • 2007-01-18
    • US11483199
    • 2006-07-07
    • Hai Zhang
    • Hai Zhang
    • H04L12/56
    • H04W4/06H04L12/185H04W76/40
    • A method for Multimedia Broadcast/Multicast Service (MBMS) Registration. Once the Broadcast/Multicast Service Center (BM-SC) receives the MBMS Registration Request from a Gateway GPRS Support Node (GGSN), it adds an identifier of the GGSN to the BM-SC's MBMS Bearer Context, and responds with an MBMS Registration Response comprising information of the MBMS Bearer Context to the GGSN; the GGSN receives the MBMS Registration Response and finishes creation of an MBMS Bearer Context based on the information of the MBMS Bearer Context which is comprised in the MBMS Registration Response. If the MBMS Bearer Context in upstream node that received MBMS Registration Request is in “Active” state, the upstream node will initiate Session Start procedure after a preset period of time when it finishes sending MBMS Registration Response.
    • 一种用于多媒体广播/组播服务(MBMS)注册的方法。 一旦广播/组播服务中心(BM-SC)从网关GPRS支持节点(GGSN)接收到MBMS注册请求,它将GGSN的标识符添加到BM-SC的MBMS承载上下文中,并用MBMS注册响应 包括MBMS承载上下文到GGSN的信息; GGSN根据包含在MBMS注册响应中的MBMS承载上下文的信息,接收MBMS注册响应并完成MBMS承载上下文的创建。 如果接收到MBMS注册请求的上游节点中的MBMS承载上下文处于“活动”状态,则在完成发送MBMS注册响应的预设时间段之后,上游节点将启动会话开始过程。