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    • 7. 发明授权
    • System and method for location based push-to-talk
    • 基于位置的即按即说的系统和方法
    • US07529558B1
    • 2009-05-05
    • US11248926
    • 2005-10-11
    • Colin BlairKevin ChanNeil HepworthAndrew Lang
    • Colin BlairKevin ChanNeil HepworthAndrew Lang
    • H04B7/00
    • H04W4/02H04L67/18H04L67/24H04W4/029H04W4/10H04W76/45
    • A system and method are provided for establishing location-based push-to-talk communication groups. A location determining application is incorporated within a communication network for members of a push-to-talk group. This application may include global positioning satellite technology incorporated in mobile communication devices carried by the members, a triangulation application incorporated at a communications server, or an RFID application associated with the members. Location data obtained on the members is maintained in a database that is accessible to a communications server facilitating communication between the members. When a member initiates a push-to-talk communication, other members of the group are contacted based upon their locations. The communication can be selectively transmitted to either those within a pre-designated location, or outside of the pre-designated location.
    • 提供了一种用于建立基于位置的即按即说通信组的系统和方法。 位置确定应用程序被并入通信网络中,用于即按即说组的成员。 该应用可以包括结合在由成员携带的移动通信设备中的全球定位卫星技术,结合在通信服务器处的三角测量应用或与该成员相关联的RFID应用。 在成员上获得的位置数据被保存在通信服务器可访问的数据库中,便于成员之间的通信。 当成员发起一键通通讯时,该组的其他成员将根据其位置进行联系。 可以将通信选择性地发送到预先指定的位置内或在预先指定的位置之外的那些。