US 11,457,330 B2 · Dynamic anchor assignments for UWB ranging

Abstract

Presented herein are techniques for assigning Ultra-Wideband (UWB) anchors for client ranging. A control device can monitor UWB ranging between a mobile device and a primary anchor. In response to determining that a signal strength between the mobile device and the primary anchor is below a threshold, the control device can identify anchors for which the mobile device has had a signal strength above the threshold during a period of time, and select one of the anchors as a new primary anchor for the mobile device. For example, the control device can select the new primary anchor based on a relative collision tolerance mapping for the new primary anchor and at least one other anchor within a UWB range of the new primary anchor. The control device can send a command causing UWB ranging to be performed between the mobile device and the new primary anchor.

Claims20

Dependent claims

A computer-implemented method comprising:

monitoring, by a control device, ultra-wide band (UWB) ranging between a mobile device and a primary UWB anchor;
determining, by the control device, that a signal strength between the mobile device and the primary UWB anchor is below a predetermined threshold;
in response to the determining:
identifying a plurality of UWB anchors for which the mobile device has had a signal strength above the predetermined threshold during a predetermined period of time, the plurality of UWB anchors not including the primary UWB anchor;
and
selecting one of the plurality of UWB anchors as a new primary UWB anchor for the mobile device based on a relative collision tolerance mapping for the new primary UWB anchor and at least one other UWB anchor within a UWB range of the new primary UWB anchor;
and
sending, by the control device, a command that causes a UWB ranging procedure to be performed between the mobile device and the new primary UWB anchor.

5 more elements

An apparatus comprising:

an interface configured to enable network communications;
and
one or more processors coupled to the interface and configured to perform operations including:
monitoring ultra-wide band (UWB) ranging between a mobile device and a primary UWB anchor;
determining that a signal strength between the mobile device and the primary UWB anchor is below a predetermined threshold;
in response to the determining:
identifying a plurality of UWB anchors for which the mobile device has had a signal strength above the predetermined threshold during a predetermined period of time, the plurality of UWB anchors not including the primary UWB anchor;
and
selecting one of the plurality of UWB anchors as a new primary UWB anchor for the mobile device based on a relative collision tolerance mapping for the new primary UWB anchor and at least one other UWB anchor within a UWB range of the new primary UWB anchor;
and
sending a command that causes a UWB ranging procedure to be performed between the mobile device and the new primary UWB anchor.

8 more elements

One or more non-transitory computer readable storage media comprising instructions that, when executed by at least one processor, are operable to:

monitor ultra-wide band (UWB) ranging between a mobile device and a primary UWB anchor;
determine that a signal strength between the mobile device and the primary UWB anchor is below a predetermined threshold;
in response to the determining:
identify a plurality of UWB anchors for which the mobile device has had a signal strength above the predetermined threshold during a predetermined period of time, the plurality of UWB anchors not including the primary UWB anchor;
and
select one of the plurality of UWB anchors as a new primary UWB anchor for the mobile device based on a relative collision tolerance mapping for the new primary UWB anchor and at least one other UWB anchor within a UWB range of the new primary UWB anchor;
and
send a command that causes a UWB ranging procedure to be performed between the mobile device and the new primary UWB anchor.

5 more elements

Dependencies are inferred from the claim text.

Dynamic anchor assignments for UWB ranging

Life of this patent

Dynamic anchor assignments for UWB ranging

Life of this patent

Abstract

Claims20