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公开(公告)号：US20150304814A1
公开(公告)日：2015-10-22
申请号：US14258104
申请日：2014-04-22
Applicant: Cisco Technology Inc.
Inventor： Santosh Pandey , Brian D. Hart , Shaunak Joshi , David Kloper , Donald R. Peoples
CPC classification number: H04W4/023 , H04W48/16 , H04W56/001 , H04W64/003
Abstract: A wireless receiver (e.g., access point (AP)) is a member of a group of a plurality of receivers in a wireless local area network and time synchronized with other receivers in the group. A channel scan list is generated from a plurality of wireless channels available in one or more frequency bands. A channel is selected for the receiver to monitor from the channel scan list based on a current time at the receiver such that each of the plurality of receivers in the group are scanning the same channel at the same time. The selected channel is scanned and signal characteristic information (e.g., received signal strength (RSS)) is generated for the signals received during a given scan duration.
Abstract translation: 无线接收器（例如，接入点（AP））是无线局域网中的多个接收机的组的成员，并且与该组中的其他接收机同步的时间。 从一个或多个频带中可用的多个无线信道生成频道扫描列表。 基于接收机当前的时间，从频道扫描列表中选择频道以使接收机监视，使得组中的多个接收机中的每一个同时扫描相同的频道。 扫描所选择的信道，并且在给定的扫描持续时间内为接收到的信号生成信号特征信息（例如，接收信号强度（RSS））。
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2.发明申请Location Measurement Optimized Off-Channel Scanning and Grouping of Access Points 有权位置测量优化的离线扫描和接入点分组公开(公告)号：US20160157225A1
公开(公告)日：2016-06-02
申请号：US14558200
申请日：2014-12-02
Applicant: Cisco Technology, Inc.
Inventor： Shaunak Joshi , Paul J. Stager , Brian D. Hart , Santosh Pandey , Matthew A. Silverman
CPC classification number: H04W72/0446 , H04W4/02 , H04W64/00
Abstract: A plurality of time slots are allocated during which a location procedure is performed for one or more target wireless devices. Select ones of a plurality of wireless access points at different positions are assigned to each time slot such that multiple wireless access points assigned to a given time slot are sufficiently separated. In addition, wireless access points are assigned to a corresponding one of a plurality of groups for each time slot such that wireless access points assigned to a group tune to a channel used by a wireless access point in the group that transmits one or more frames that are intended to provoke one or more response frames from the one or more wireless devices.
Abstract translation: 分配多个时隙，在该时隙期间为一个或多个目标无线设备执行定位过程。 将选择不同位置的多个无线接入点中的一个分配给每个时隙，使得分配给给定时隙的多个无线接入点被充分分离。 此外，无线接入点被分配给每个时隙的多个组中的相应一个组，使得分配给组乐曲的无线接入点被组中的无线接入点使用的信道发送一个或多个帧， 旨在引起来自一个或多个无线设备的一个或多个响应帧。
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公开(公告)号：US09219986B2
公开(公告)日：2015-12-22
申请号：US14258104
申请日：2014-04-22
Applicant: Cisco Technology, Inc.
Inventor： Santosh Pandey , Brian D. Hart , Shaunak Joshi , David Kloper , Donald R. Peoples
CPC classification number: H04W4/023 , H04W48/16 , H04W56/001 , H04W64/003
Abstract: A wireless receiver (e.g., access point (AP)) is a member of a group of a plurality of receivers in a wireless local area network and time synchronized with other receivers in the group. A channel scan list is generated from a plurality of wireless channels available in one or more frequency bands. A channel is selected for the receiver to monitor from the channel scan list based on a current time at the receiver such that each of the plurality of receivers in the group are scanning the same channel at the same time. The selected channel is scanned and signal characteristic information (e.g., received signal strength (RSS)) is generated for the signals received during a given scan duration.
Abstract translation: 无线接收器（例如，接入点（AP））是无线局域网中的多个接收机的组的成员，并且与该组中的其他接收机同步的时间。 从一个或多个频带中可用的多个无线信道生成频道扫描列表。 基于接收机当前的时间，从频道扫描列表中选择频道以使接收机监视，使得组中的多个接收机中的每一个同时扫描相同的频道。 扫描所选择的信道，并且在给定的扫描持续时间内为接收到的信号生成信号特征信息（例如，接收信号强度（RSS））。
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公开(公告)号：US09648615B2
公开(公告)日：2017-05-09
申请号：US14558200
申请日：2014-12-02
Applicant: Cisco Technology, Inc.
Inventor： Shaunak Joshi , Paul J. Stager , Brian D. Hart , Santosh Pandey , Matthew A. Silverman
CPC classification number: H04W72/0446 , H04W4/02 , H04W64/00
Abstract: A plurality of time slots are allocated during which a location procedure is performed for one or more target wireless devices. Select ones of a plurality of wireless access points at different positions are assigned to each time slot such that multiple wireless access points assigned to a given time slot are sufficiently separated. In addition, wireless access points are assigned to a corresponding one of a plurality of groups for each time slot such that wireless access points assigned to a group tune to a channel used by a wireless access point in the group that transmits one or more frames that are intended to provoke one or more response frames from the one or more wireless devices.
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