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    • 12. 发明授权
    • Group communication sessions in a wireless communications system
    • 无线通信系统中的组通信会话
    • US08731535B2
    • 2014-05-20
    • US12832335
    • 2010-07-08
    • Amit GoelMohammed Ataur Rahman ShumanRajan Verma
    • Amit GoelMohammed Ataur Rahman ShumanRajan Verma
    • H04M3/00H04W4/10
    • H04W4/10H04L12/1822H04L65/403H04L65/4061H04L65/605H04W8/186H04W76/45
    • In an embodiment, an access terminal (AT), requests a non-exclusive floor (NEF) for a group communication session (GCS) in response to a detection that a user of the AT intends to speak to an associated communication group (CG). In another embodiment, the AT later requests that its NEF for the GCS be revoked in response to a detection that the user of the AT no longer intends to speak to the CG. In another embodiment, another AT holds a NEF for the GCS, and a user of the AT decides to revoke the other AT's NEF such that the AT sends a floor-revocation request to an application server (AS) that is arbitrating the GCS. In another embodiment, the AS grants NEFs to multiple ATs, selectively mixes media received from the ATs for transmission to the CG, and selectively revokes NEFs from one or more of the multiple ATs.
    • 在一个实施例中,接入终端(AT)响应于AT的用户想要与相关联的通信组(CG)通话的检测,请求用于组通信会话(GCS)的非独占层(NEF) 。 在另一个实施例中,AT响应于AT的用户不再想要与CG通话的检测,请求撤消其用于GCS的NEF。 在另一个实施例中,另一个AT持有用于GCS的NEF,并且AT的用户决定撤销另一个AT的NEF,使得AT向正在仲裁GCS的应用服务器(AS)发送撤销请求。 在另一个实施例中,AS向多个AT授权NEF,将从AT传送的媒体选择性地混合到CG,并且从多个AT中的一个或多个选择性地撤销NEF。