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    • 1. 发明申请
    • DIRECTED FLOOD OF PUSH-TO-TALK ANNOUNCE MESSAGE
    • 指示性的按钮到达通知消息
    • WO2005057868A1
    • 2005-06-23
    • PCT/US2004/040596
    • 2004-12-03
    • KYOCERA WIRELESS CORP.HASSAN, Tariq, A.SADAGOPAN, Vijaykrishna
    • HASSAN, Tariq, A.SADAGOPAN, Vijaykrishna
    • H04L12/56
    • H04W4/06H04L65/1016H04L65/4061H04W4/10H04W68/00H04W68/02H04W76/45
    • A target handset in a wireless communication network receives a PTT call announce message that is broadcast over a plurality of base stations without first sending a page message to precisely locate the target handset. The plurality of base stations cover a geographic region in which the target handset is expect to be located. Accordingly, the call setup delay introduced by first broadcasting a page message to precisely locate the target handset is eliminated. The additional burden on the network to broadcast the larger announce message is negligible because the bandwidth available in the forward common control channel ("FCCCH") is sufficient to handle the larger message with no degradation to the network. Additionally, the announce message can be streamlined to reduce its data size and thereby minimize any additional burden on the network.
    • 无线通信网络中的目标手机接收在多个基站上广播的PTT呼叫通知消息,而不首先发送寻呼消息以精确定位目标手持机。 多个基站覆盖目标手机希望位于的地理区域。 因此,消除了通过首先广播寻呼消息引入的呼叫建立延迟以精确地定位目标手持机。 因为在前向公共控制信道(“FCCCH”)中可用的带宽足以处理较大的消息而不降低网络,所以网络上广播更大的通告消息的额外负担是可以忽略的。 此外,可以简化通告消息以减少其数据大小,从而最小化网络上的任何额外负担。