A wide variety of emerging applications leverage accurate measurements of the Channel State Information (CSI) information obtained from commodity WiFi devices.
A wide variety of emerging applications leverage accurate measurements of the Channel State Information (CSI) information obtained from commodity WiFi devices.
Recently, commodity Wi-Fi devices have been shown to be able to construct human pose images, i.e., human skeletons, as fine-grained as cameras. Existing papers ...
People also ask
What is CSI measurement Wi-Fi?
Jan 19, 2018 · In this paper, we identify non-negligible non-linear CSI phase errors and report that IQ imbalance is the root source of non-linear CSI phase ...
π-Splicer: Perceiving Accurate CSI Phases with Commodity WiFi Devices. https ... Distance Measurement Based on Linear Phase Correlation in WiFi CSI.
We propose a new CSI splicing method, called π-Splicer, to compensate both non-linear and linear CSI phase errors.
However, the hardware imperfection of the commodity WiFi chips will introduce time-varying phase distortions, which makes it difficult to obtain accurate CSI ...
PhaseBeat: Exploiting CSI phase data for vital sign monitoring with commodity WiFi devices. ... Perceiving accurate CSI phases with commodity WiFi devices. In ...
Feb 22, 2020 · In this paper, we propose an enhanced CSI-based indoor positioning system with pre-intrusion detection suitable for NLOS scenarios (C-InP).
May 7, 2020 · Abstract—We analyze the phase offsets between RF chains of modern IEEE 802.11ac chips. We investigate both the 2.4 and.