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    • 1. 发明申请
    • GROUP COMMUNICATIONS OVER EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICES
    • 集团通信多媒体广播/多媒体服务
    • WO2012166893A1
    • 2012-12-06
    • PCT/US2012/040172
    • 2012-05-31
    • QUALCOMM IncorporatedSONG, BongyongLIN, Yih-HaoMAGGENTI, MarkANCHAN, Kirankumar
    • SONG, BongyongLIN, Yih-HaoMAGGENTI, MarkANCHAN, Kirankumar
    • H04W76/00
    • H04W4/06H04W76/40
    • The application relates to group communications over multimedia broadcast-multicast services MBMS. E-MBMS services can be used to distribute multicast data to groups and could be useful in group com¬ munication systems. However, in conventional E-MBMS services, the time to establish a new flow is on the order of 10 seconds. This laten¬ cy is unacceptable for high performance group communication sys¬ tems, such as a push to talk system that requires less than 1 second from the call initiation from the originator to the granting of the floor to at least one group member. This problem is solved in that a multi¬ cast flow is pre-reserved for the media flow in such a way that it can be quickly established. Furthermore, another multicast flow, which is "always-on", is used as a sort of application layer paging flow in order to indicate activity on the media flow. The user equipment monitors the paging flow (Multicast flow#l) regarding activity of a group com¬ munication (Call Announcement) and upon receipt of a call announce message, switches to the corresponding media flow (Multicast flow #2).
    • 该应用涉及通过多媒体广播多播服务MBMS的群组通信。 可以使用E-MBMS服务来将组播数据分发到组,并且可以在组通信系统中有用。 然而,在传统的E-MBMS服务中,建立新流程的时间大约是10秒。 对于高性能组通信系统来说,这种延迟是不可接受的,例如从发起者的呼叫发起到授权地址至少一个组成员需要不到1秒的一键通系统。 解决这个问题的原因在于可以以可以快速建立多媒体流的方式预先保留多播流。 此外,作为“始终在线”的另一组播流被用作一种应用层寻呼流,以便指示媒体流上的活动。 用户设备监视关于组通信(呼叫通知)的活动的寻呼流(组播流#1),并且在接收到呼叫通知消息时,切换到相应的媒体流(组播流#2)。
    • 9. 发明申请
    • ASSURED PACKET DATA SERVICES ASSOCIATED WITH COMMUNICATION NETWORKS
    • 与通信网络相关的保证数据包数据
    • WO2008091350A1
    • 2008-07-31
    • PCT/US2007/063376
    • 2007-03-06
    • QUALCOMM IncorporatedCHEN, Jen MeiMAGGENTI, Mark
    • CHEN, Jen MeiMAGGENTI, Mark
    • H04L12/56
    • H04L47/762H04L47/11H04L47/15H04L47/70H04L47/72H04L47/745H04L47/803H04L47/808H04L47/821H04L47/824
    • A service for Public Safety (PS) and Law Enforcement (LE) users on commercial wireless networks which assure them access to packet data services. The service request is application based. The applications that are for official use, by the PS/LE users, could have a reserved priority level associated with them. The reserved priority level could be higher than a normal commercial user. The network could use the priority to distinguish users, and dynamically allocate and optimize network resources. The network could use priority level information to perform access, admission, and congestion control. The PS/LE user could use the official applications while on duty and un-official ones while off duty, thus, additionally freeing up network resources. The PS/LE users could then use advanced commercial packet data services, without the need for a private network, while at the same time making it feasible for commercial networks.
    • 在商业无线网络上为公共安全(PS)和执法(LE)用户提供服务,确保他们访问分组数据服务。 服务请求是基于应用程序的。 由PS / LE用户正式使用的应用程序可能具有与它们相关联的预留优先级。 保留的优先级可能高于普通商业用户。 网络可以利用优先级区分用户,动态分配和优化网络资源。 网络可以使用优先级信息来执行接入,准入和拥塞控制。 PS / LE用户可以在值班和非官方的情况下使用正式的应用程序,同时免除网络资源。 然后,PS / LE用户可以使用高级的商业分组数据业务,而不需要专用网络,同时使商业网络成为可行的。