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    • 2. 发明授权
    • System and method of handling IP layer mobility in a wireless network
    • 在无线网络中处理IP层移动性的系统和方法
    • US07518994B2
    • 2009-04-14
    • US10962057
    • 2004-10-08
    • Haining ZhangRisvan Coskun
    • Haining ZhangRisvan Coskun
    • H04J1/16
    • H04W36/14H04L67/04H04L67/2842H04W28/14H04W36/0011H04W36/02H04W80/00H04W80/04H04W80/10H04W88/06
    • A system and method for facilitating the efficient operation of a mobile station as it transfers from communicating via one wireless data network to another. A session control node is coupled to the mobile node in such a manner that it selectively buffers data being transmitted to the mobile node, at least while the network transfer is being executed. When the mobile node had dropped its communication session with a first wireless network and established a new communication session with a second wireless network, the buffered data is read out and transmitted to the mobile node. The session control node may be coupled with a home network associated with the mobile node or a control node may be associated with the mobile node on an ad hoc basis.
    • 一种当移动台从经由一个无线数据网络传送到另一个无线数据网络的传输时便于有效操作的系统和方法。 会话控制节点以至少在正在执行网络传输的情况下有选择地缓冲正在发送到移动节点的数据的方式耦合到移动节点。 当移动节点已经放弃与第一无线网络的通信会话并建立与第二无线网络的新的通信会话时,缓冲的数据被读出并被发送到移动节点。 会话控制节点可以与与移动节点相关联的归属网络耦合,或者控制节点可以临时地与移动节点相关联。
    • 5. 发明授权
    • Apparatus and method of wireless instant messaging
    • 无线即时通讯装置及方法
    • US07020480B2
    • 2006-03-28
    • US10667094
    • 2003-09-19
    • Risvan CoskunRobert D. OliverHaining ZhangLuis P. Estable
    • Risvan CoskunRobert D. OliverHaining ZhangLuis P. Estable
    • H04Q7/20
    • G06Q30/0281G06Q30/0209G06Q30/0258G06Q30/0269H04L51/04H04L51/043H04L51/38H04L67/18H04L67/22H04L67/24H04L69/329H04W4/02H04W4/12H04W4/20H04W8/10
    • A system and method of transmitting instant messages to a mobile communication device via a wireless data communication network is provided. Presence information for a plurality of instant message sources is detected at an instant messaging server that couples the instant message sources to the wireless data communication network. In addition, presence information of the mobile communication device is detected at the instant messaging server. The presence information of the mobile communication device is then compared with the presence information of the instant message sources and at least one of the instant message sources is then enabled to transmit an instant message to the mobile communication device. The presence information may be supplemented to include extended state information of the mobile communication device, which is matched against a plurality of service offerings by the instant messaging server to determine which service may transmit an instant message to the mobile communication device.
    • 提供了一种通过无线数据通信网络将即时消息发送到移动通信设备的系统和方法。 在将即时消息源耦合到无线数据通信网络的即时消息服务器处检测到多个即时消息源的存在信息。 此外,在即时消息发送服务器处检测到移动通信设备的存在信息。 然后将移动通信设备的存在信息与即时消息源的存在信息进行比较,然后使即时消息源中的至少一个能够将即时消息发送到移动通信设备。 可以补充存在信息以包括移动通信设备的扩展状态信息,其与即时消息服务器的多个服务提供相匹配,以确定哪个服务可以向移动通信设备发送即时消息。