公开(公告)号：US20240014871A1

公开(公告)日：2024-01-11

申请号：US18063576

申请日：2022-12-08

Applicant: Cisco Technology, Inc.

Inventor： Ardalan ALIZADEH ,  Peiman AMINI ,  Matthew A. SILVERMAN ,  Laurent A. PIERRUGUES

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/066

Abstract: Techniques for enhanced wireless sensing or ranging are provided. First and second channel state information (CSI) data, for a first and second link of a plurality of links in a multi-link operation (MLO) system, is collected. A set of channel parameters is estimated, based on the second CSI data, using a channel propagation model. First predicted CSI data for the first link is generated based on the estimated set of channel parameters. The first CSI data is calibrated based on the first predicted CSI data, comprising determining at least one of an amplitude difference or a phase difference between the first CSI data and the first predicted CSI data. Aggregated CSI data is generated based on the calibrated first CSI data and the second CSI data, and at least one of wireless sensing or wireless ranging is performed based on the aggregated CSI data.