公开(公告)号：US20150103818A1

公开(公告)日：2015-04-16

申请号：US14264376

申请日：2014-04-29

Applicant: QUALCOMM Incorporated

Inventor： Steven John Kuhn ,  Lalitaprasad Daita ,  Samir Kapoor ,  Ravi Teja Mallajosyula

IPC: H04W56/00

CPC classification number: H04W56/0015 ,  H04J3/0658 ,  H04W56/00 ,  H04W56/002

Abstract: Synchronization of communication events according to a global time base (GTB). Devices implementing the GTB may be configured to awaken and exchange discovery and service capability information over pre-scheduled channels at time points determined according to the GTB. The GTB may be correlated to Global Positioning System (GPS) system time. A global time server (GTS) is described for providing a local source of accurate clock time relative to the GTB. The GTS may aggregate multiple sources of absolute and/or relative time including GPS and WWAN, select the most accurate source for a mobile environment, track source state transitions, and manage clock drift. Global time clients (GTCs) may receive updates from the GTS and compute offsets for communication events relative to a local clock. The GTC may correct for transport errors from transmission of the updated global time value across modules or sub-components of the devices.

Abstract translation: 根据全局时基（GTB）同步通信事件。 实现GTB的设备可以被配置为在根据GTB确定的时间点唤醒并交换在预先调度的信道上的发现和服务能力信息。 GTB可能与全球定位系统（GPS）系统时间相关。 描述了一种全球时间服务器（GTS），用于提供相对于GTB的准确时钟时间的本地源。 GTS可以聚合多个绝对和/或相对时间来源，包括GPS和WWAN，为移动环境选择最准确的源，跟踪源状态转换和管理时钟漂移。 全球时间客户端（GTC）可以从GTS接收更新，并计算相对于本地时钟的通信事件的偏移量。 GTC可以通过在设备的模块或子组件之间传输更新的全局时间值来纠正传输错误。

公开(公告)号：US20150103817A1

公开(公告)日：2015-04-16

申请号：US14264368

申请日：2014-04-29

Applicant: QUALCOMM Incorporated

Inventor： Steven John Kuhn ,  Lalitaprasad Daita ,  Samir Kapoor ,  Ravi Teja Mallajosyula

IPC: H04J3/06 ,  H04W56/00

CPC classification number: H04W56/0015 ,  H04J3/0658 ,  H04W56/00 ,  H04W56/002

Abstract: Synchronization of communication events according to a global time base (GTB). Devices implementing the GTB may be configured to awaken and exchange discovery and service capability information over pre-scheduled channels at time points determined according to the GTB. The GTB may be correlated to Global Positioning System (GPS) system time. A global time server (GTS) is described for providing a local source of accurate clock time relative to the GTB. The GTS may aggregate multiple sources of absolute and/or relative time including GPS and WWAN, select the most accurate source for a mobile environment, track source state transitions, and manage clock drift. Global time clients (GTCs) may receive updates from the GTS and compute offsets for communication events relative to a local clock. The GTC may correct for transport errors from transmission of the updated global time value across modules or sub-components of the devices.

Abstract translation: 根据全局时基（GTB）同步通信事件。 实现GTB的设备可以被配置为在根据GTB确定的时间点唤醒并交换在预先调度的信道上的发现和服务能力信息。 GTB可能与全球定位系统（GPS）系统时间相关。 描述了一种全球时间服务器（GTS），用于提供相对于GTB的准确时钟时间的本地源。 GTS可以聚合多个绝对和/或相对时间来源，包括GPS和WWAN，为移动环境选择最准确的源，跟踪源状态转换和管理时钟漂移。 全球时间客户端（GTC）可以从GTS接收更新，并计算相对于本地时钟的通信事件的偏移量。 GTC可以通过在设备的模块或子组件之间传输更新的全局时间值来纠正传输错误。