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    • 3. 发明授权
    • Method and apparatus for session release in a communication system
    • 在通信系统中会话释放的方法和装置
    • US07415026B2
    • 2008-08-19
    • US10067586
    • 2002-02-04
    • Raymond T. HsuJohn W. Nasielski
    • Raymond T. HsuJohn W. Nasielski
    • H04L12/28
    • H04L65/4076H04L29/06H04L29/06027H04L65/1006H04L65/1069H04L65/80H04L67/14
    • A method and apparatus for session release in a communication system supporting Internet Protocol (IP) communications. In one embodiment, when the MS has lost a bearer connection (i.e., PPP session), the notification is provided by a Packet Data Service Node (PDSN) to the serving Session control Manager (SCM) via IP multicast. If two PPP sessions are active for a given IP communication, and one PPP session is not lost, the PDSN associated with the active PPP session sends a correction message to ignore any notification message sent by the other PDSN. In an alternate embodiment, the Authentication Authorization Accounting (AAA) server uses start and stop accounting requests, received from PDSNs, to determine when to notify the serving SCM to terminate an IP communication.
    • 一种用于支持因特网协议(IP)通信的通信系统中的会话释放的方法和装置。 在一个实施例中,当MS已经丢失承载连接(即,PPP会话)时,通过IP多播将分组数据服务节点(PDSN)提供给服务会话控制管理器(SCM)。 如果两个PPP会话对于给定的IP通信是活动的,并且一个PPP会话不丢失,则与活动PPP会话相关联的PDSN发送校正消息以忽略由另一个PDSN发送的任何通知消息。 在替代实施例中,认证授权计费(AAA)服务器使用从PDSN接收的开始和结束计费请求来确定何时通知服务SCM以终止IP通信。
    • 6. 发明授权
    • Inter-working function for a communication system
    • 通信系统的互通功能
    • US08630414B2
    • 2014-01-14
    • US10176562
    • 2002-06-20
    • Raymond T. Hsu
    • Raymond T. Hsu
    • H04K1/00
    • H04L63/08H04W12/06H04W92/02
    • Inter-Working Function (IWF) for interfacing between a Wireless Local Area Network (WLAN) and a communication system. The IWF may contain sufficient information to authenticate a user access to the WLAN, or the IWF may need to request authentication from the communication system. In one embodiment, the IWF sends an access challenge to the WLAN for a user. The IWF may then pass a response to the challenge on to the communication system for authentication. The IWF allows the WLAN to use the authentication capability of the communication system for local authentication.
    • 用于在无线局域网(WLAN)和通信系统之间进行接口的互连功能(IWF)。 IWF可以包含足够的信息来认证用户对WLAN的接入,或者IWF可能需要从通信系统请求认证。 在一个实施例中,IWF向用户发送对WLAN的访问挑战。 然后,IWF可以将对该挑战的响应传递给通信系统以进行认证。 IWF允许WLAN使用通信系统的认证能力进行本地认证。