Method of enabling single chain ranging operations
    74.
    发明授权
    Method of enabling single chain ranging operations 有权
    实现单链测距操作的方法

    公开(公告)号:US09161330B2

    公开(公告)日:2015-10-13

    申请号:US13970382

    申请日:2013-08-19

    CPC classification number: H04W64/00

    Abstract: A system and method are disclosed for performing ranging operations between two wireless devices without employing cyclic shift diversity (CSD) compensation techniques. For some embodiments, a first wireless device sends a negotiation request frame requesting the second wireless device to respond to subsequently received frames of a specified type using a selected one of the transmit chains in the second wireless device. Thereafter, the first wireless device sends a data frame to the second wireless device to initiate a ranging operation. The second wireless device sends a response frame of the specified type to the first wireless device using the selected one of the transmit chains.

    Abstract translation: 公开了一种在两个无线设备之间执行测距操作而不采用循环移位分集(CSD)补偿技术的系统和方法。 对于一些实施例,第一无线设备发送协商请求帧,请求第二无线设备使用第二无线设备中的所选发送链中的所选择的一个响应所接收的指定类型的帧。 此后,第一无线设备向第二无线设备发送数据帧以发起测距操作。 第二无线设备使用所选择的发送链之一向第一无线设备发送指定类型的响应帧。

    Methods and systems for enhanced round trip time (RTT) exchange
    75.
    发明授权
    Methods and systems for enhanced round trip time (RTT) exchange 有权
    用于增强往返时间(RTT)交换的方法和系统

    公开(公告)号:US09154971B2

    公开(公告)日:2015-10-06

    申请号:US13794543

    申请日:2013-03-11

    CPC classification number: H04W24/00 G01S5/14 H04L43/0864 H04L47/283 H04W64/003

    Abstract: Disclosed are systems, methods and devices for obtaining round trip time measurements for use in location based services. In particular implementations, a fine timing measurement request message wirelessly transmitted by a first transceiver device to a second transceiver device may permit additional processing features in computing or applying a signal round trip time measurement. Such a signal round trip time measurement may be used in positioning operations.

    Abstract translation: 公开了用于获得用于基于位置的服务的往返时间测量的系统,方法和装置。 在特定实现中,由第一收发器设备无线传输到第二收发器设备的精确定时测量请求消息可以允许在计算或应用信号往返时间测量时的附加处理特征。 这种信号往返时间测量可以用于定位操作。

    Power saving with adaptive inactivity time out
    76.
    发明授权
    Power saving with adaptive inactivity time out 有权
    省电自适应不活动超时

    公开(公告)号:US09072050B2

    公开(公告)日:2015-06-30

    申请号:US14045443

    申请日:2013-10-03

    Abstract: Power saving for wireless communication devices by adjusting the amount of time, after a last transmission/reception of data, that the device remains in an awake mode listening for more data before the device enters a sleep mode. This time period may be referred to as inactivity time interval or inactivity timeout (ITO). The described features may be employed to improve power savings by taking metrics of channel congestion into account for determining the ITO. The appropriate ITO may be determined to be commensurate with ongoing transmission and/or reception activity. Because error may occur in estimating channel congestion and/or transmission/reception activity, latency bounds based on estimation errors may be managed by classifying the operational mode into multiple regions and employing techniques for mitigating error in congestion estimation based at least in part on the operational mode.

    Abstract translation: 通过在设备进入休眠模式之后,通过调整数据的最后一次发送/接收之后的时间量,使设备保持在唤醒模式中监听更多的数据,从而为无线通信设备省电。 该时间段可以称为不活动时间间隔或不活动超时(ITO)。 所描述的特征可以用于通过考虑信道拥塞的度量来确定ITO来提高功率节省。 可以确定适当的ITO与正在进行的传输和/或接收活动相当。 由于在估计信道拥塞和/或发送/接收活动中可能发生错误,所以可以通过将操作模式分类为多个区域并采用用于减轻拥塞估计中的错误的技术来管理基于估计误差的等待时间范围,所述技术至少部分地基于操作 模式。

    COEXISTENCE OF A WIRELESS WIDE AREA NETWORK DEVICE IN TIME DIVISION DUPLEX (TDD) MODE WITH A WIRELESS ACCESS POINT (AP)
    78.
    发明申请
    COEXISTENCE OF A WIRELESS WIDE AREA NETWORK DEVICE IN TIME DIVISION DUPLEX (TDD) MODE WITH A WIRELESS ACCESS POINT (AP) 审中-公开
    无线接入点(AP)的时分双工(TDD)模式下无线宽域网络设备的共存

    公开(公告)号:US20140269633A1

    公开(公告)日:2014-09-18

    申请号:US14059484

    申请日:2013-10-22

    CPC classification number: H04L5/0073 H04L5/1469 H04W16/14 H04W84/12

    Abstract: In one embodiment, a wireless access point (AP) receives messages from a wireless wide area network (WWAN) device, wherein these messages identify parameters of future WWAN frames. Each message identifies a starting time, an operating band, an upload/download sub-frame configuration, and a special sub-frame pattern of a WWAN frame. The AP uses the parameters defined by each received message to determine whether to transmit a beacon frame at a scheduled target beacon transmission time (TBTT), or delay the transmission of the beacon frame to a delayed TBTT. The AP will not delay the scheduled TBTT if the parameters defined by the received message indicate there are no co-existence problems. However, the AP will delay a transmission from the scheduled TBTT if this scheduled TBTT coincides with a downlink sub-frame of the WWAN frame, and the WWAN frame has an operating band subject to interference from the intended transmission.

    Abstract translation: 在一个实施例中,无线接入点(AP)从无线广域网(WWAN)设备接收消息,其中这些消息标识未来WWAN帧的参数。 每个消息标识WWAN帧的开始时间,操作频带,上载/下载子帧配置和特殊子帧模式。 AP使用由每个接收到的消息定义的参数来确定是否在调度的目标信标发送时间(TBTT)下发送信标帧,或延迟信标帧到延迟TBTT的传输。 如果接收到的消息定义的参数表示没有共存问题,则AP不会延迟预定的TBTT。 然而,如果该调度TBTT与WWAN帧的下行链路子帧一致,则AP将延迟来自预定TBTT的传输,并且WWAN帧具有受到来自预期传输的干扰的操作频带。

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