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    • 76. 发明申请
    • METHOD AND APPARATUS FOR INTER-TECHNOLOGY HANDOFF OF A MULTI-MODE MOBILE STATION
    • 用于多模移动站的技术间切换的方法和装置
    • US20090207808A1
    • 2009-08-20
    • US12363847
    • 2009-02-02
    • Peter J. McCannGeorge CherianPoornima A. LalwaneyPhilip R. Roberts
    • Peter J. McCannGeorge CherianPoornima A. LalwaneyPhilip R. Roberts
    • H04W36/00
    • H04W36/0038H04W12/06H04W36/0016H04W36/14
    • A communication system reduces set up time for an inter-technology handoff of a multi-mode mobile station (MS) from a source network associated with a first radio frequency (RF) technology to a target network associated with a second RF technology by pre-establishing, prior to a determination to handoff the MS, a registration state of the MS and an authentication of the MS in association with the target network and second RF technology. In order to pre-establish the registration state and authentication, the MS exchanges messaging of the second RF technology with the second network via the first network and first RF technology. To facilitate the exchange, the MS includes shims in a second protocol stack associated with the second technology, which shims intercept second protocol stack signaling and redirect the intercepted signaling to a first protocol stack of the MS, associated with the first technology, for tunneling to the source network.
    • 一种通信系统通过预处理来减少多模移动站(MS)从与第一射频(RF)技术相关联的源网络到与第二RF技术相关联的目标网络的技术间切换的建立时间, 在确定切换MS之前建立MS的注册状态和与目标网络和第二RF技术相关联的MS的认证。 为了预先建立注册状态和认证,MS通过第一网络和第一RF技术与第二网络交换第二RF技术的消息。 为了促进交换,MS包括与第二技术相关联的第二协议栈中的垫片,该第二协议栈阻止第二协议栈信令,并将拦截的信令重定向到与第一技术相关联的MS的第一协议栈,用于隧道传输 源网络。
    • 79. 发明授权
    • Demand-based multimedia broadcast multicast service management
    • 基于需求的多媒体广播多播服务管理
    • US09226265B2
    • 2015-12-29
    • US13445864
    • 2012-04-12
    • Ajay GuptaGang BaoGeorge CherianJun Wang
    • Ajay GuptaGang BaoGeorge CherianJun Wang
    • H04H20/71H04W72/00H04W4/06H04W28/08H04W64/00
    • H04W72/005H04W4/06H04W28/08H04W64/00
    • A method or system for managing demand-based multicast services in a wireless communications system (WCS) capable of both unicast and multicast signaling may include providing content requested by a mobile entity in an area of the WCS via a unicast session, determining that a concurrent demand level for the content exceeds a defined threshold for the area of the WCS, and initiating a multicast session for the content in the area of the WCS, in response to determining the concurrent demand level has exceeded the threshold. The method or system may include more detailed operations or aspects for measuring the concurrent demand level, transitioning signaling between unicast and multicast modes, communicating between network components, or related functions.
    • 一种用于在能够同时进行单播和多播信令的无线通信系统(WCS)中管理基于需求的多播服务的方法或系统可以包括经由单播会话在WCS的区域中提供由移动实体请求的内容,确定并发 响应于确定并发需求级别已经超过阈值,内容的需求级别超过WCS区域的定义阈值,并且针对WCS区域中的内容发起多播会话。 该方法或系统可以包括用于测量并发需求级别,在单播和多播模式之间转换信令,网络组件之间的通信或相关功能的更详细的操作或方面。