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    • 5. 发明授权
    • Handover arrangement for mobile station moving across the boundary of wireless cell-site stations of adjacent PBXs
    • 移动台移动跨越相邻PBX无线小区站点边界的切换布置
    • US06330448B1
    • 2001-12-11
    • US09292949
    • 1999-04-16
    • Kiyokazu OtsukaYoshio Itagaki
    • Kiyokazu OtsukaYoshio Itagaki
    • H04Q720
    • H04W36/06
    • In a PBX network, a global database is provided in each PBX node for storing shared data for verification of authorized mobile stations when accessing the network via a wireless cell-site station. During a wireless mode, a mobile station monitors the strength of its downlink signal from a first cell-site station of a first PBX node. If it falls below a threshold, the mobile station begins a scan across the spectrum. If a strong signal is detected, it stops the scan and transmits a handover request message to a second cell-site station transmitting that strong signal. The second node receives the message via the second cell-site station to establish the mobile's verification. If the mobile station is an authorized user, the second node transmits a handover grant message to the second cell-site station, transmits a command message to the first node for a switchover to a link between the first and second nodes, and connects the link to the second cell-site station.
    • 在PBX网络中,在每个PBX节点中提供全球数据库,用于存储用于经由无线小区站点访问网络时授权的移动站的共享数据。 在无线模式期间,移动站监视来自第一PBX节点的第一小区站点的下行链路信号的强度。 如果它低于阈值,则移动台开始扫描频谱。 如果检测到强信号,则停止扫描,并向发送该强信号的第二小区站点发送切换请求消息。 第二节点通过第二小区站点接收消息以建立移动台的验证。 如果移动台是授权用户,则第二节点向第二小区站点发送切换许可消息,向第一节点发送命令消息以切换到第一和第二节点之间的链路,并且将链路 到第二个小区站点。