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1. 发明授权

US06408182B1 Redundant mobile switching center (MSC) architecture for a radio telecommunications network 有权
标题翻译：用于无线电电信网络的冗余移动交换中心（MSC）架构
公开(公告)号：US06408182B1
公开(公告)日：2002-06-18
申请号：US09356107
申请日：1999-07-16
申请人： Lee Davidson , Eric Valentine , Heino Hameleers
发明人： Lee Davidson , Eric Valentine , Heino Hameleers
IPC分类号： H04Q723
CPC分类号： H04W24/04 , H04W24/00
摘要： A telecommunications network architecture and method of providing failover operations between mobile switching centers (MSCs). A plurality of MSCs and at least one base station controller (BSC) are connected to an Internet Protocol (IP) network in which transmission paths and control paths are logically separated. The BSC reports to a primary MSC and includes an alternative MSC list identifying at least one backup MSC for the primary MSC. The BSC determines when the primary MSC has failed, and utilizes a control path in the IP network to notify the backup MSC that the BSC has switched its reporting to the backup MSC. The BSC also utilizes a transmission path in the IP network to send mobile station communications from the BSC to the backup MSC. Mobile station location updating requests are sent from the backup MSC to a home location register (HLR). The requests include a new element that informs the HLR that the backup MSC is now serving the mobile station due to a failure of the primary MSC. Subscriber information is then downloaded from the HLR to a visitor location register (VLR) in the backup MSC. Routing number requests are sent from the HLR to the backup MSC when an incoming call is received in the HLR for a mobile station which has been moved to the backup MSC.
摘要翻译：在移动交换中心（MSC）之间提供故障切换操作的电信网络架构和方法。多个MSC和至少一个基站控制器（BSC）连接到互联网协议（IP）网络，其中传输路径和控制路径在逻辑上被分离。 BSC向主MSC报告，并且包括标识用于主MSC的至少一个备用MSC的备选MSC列表。 BSC确定主MSC何时发生故障，并利用IP网络中的控制路径通知备份MSC BSC已将其报告切换到备用MSC。 BSC还利用IP网络中的传输路径将移动台通信从BSC发送到备用MSC。移动台位置更新请求从备用MSC发送到归属位置寄存器（HLR）。请求包括一个新的元素，通知HLR由于主MSC的故障，备份MSC正在为移动台服务。然后，订户信息从HLR下载到备用MSC中的访问位置寄存器（VLR）。当HLR中已经移动到备用MSC的移动台接收到呼入时，将路由号码请求从HLR发送到备用MSC。

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