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    • 7. 发明授权
    • Transmission of signaling information for broadcast and multicast services
    • 传输广播和组播业务的信令信息
    • US08144735B2
    • 2012-03-27
    • US11054771
    • 2005-02-09
    • Alkinoos Hector VayanosFrancesco Grilli
    • Alkinoos Hector VayanosFrancesco Grilli
    • H04H20/71H04W4/00H04L12/28H04J3/26H04J3/12
    • H04W48/12H04W4/06H04W68/00
    • Techniques for transmitting signaling information for broadcast and multicast services are described. A base station transmits signaling information for each service in accordance with a schedule that includes a repetition period and a modification period. The signaling information is sent in each repetition period to allow wireless devices to quickly obtain this information. Changes to the critical signaling information are permitted at the start of each modification period, which is an integer multiple of the repetition period. Whenever the critical signaling information for a given service is changed in a given modification period, a notification indicator for the service is set in an entire preceding modification period to inform the wireless devices of the impending change. The wireless devices can detect the notification indicator being set in the preceding modification period and can retrieve the updated critical signaling information in the following modification period.
    • 描述用于发送用于广播和多播服务的信令信息的技术。 基站根据包括重复周期和修改周期的调度来发送每个业务的信令信息。 在每个重复周期中发送信令信息,以允许无线设备快速获得该信息。 在每个修改周期开始时允许对关键信令信息的改变,这是重复周期的整数倍。 每当给定服务的关键信令信息在给定的修改周期内改变时,在整个修改周期内设置该业务的通知指示符,以通知无线设备即将发生的改变。 无线设备可以检测在上述修改周期内设置的通知指示符,并且可以在以下修改周期中检索更新的关键信令信息。