Kalman-aided uplink channel estimation for time-varying multi-user vehicular STAR-RIS systems

Aswiniya Ambigapathy, Sriharipriya KC · 2026

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Description

Aswiniya Ambigapathy and Sriharipriya KC present a 2026 method for reading wireless channels in fast-moving car networks. Cars that talk to each other need clean links, but speed warps the signal through the Doppler effect. Smart surfaces that both pass and bounce signals add promise and complexity at once.

The method starts with a least squares read from neat pilot signals, then hands off to a Kalman filter, which tracks the channel as it changes. A fading model with set timing links the steps, and path loss scaling sharpens the track. In simulations, error fell by up to 25 decibels for one surface mode and near 22 for another, against base methods. The gains held across many driving conditions. The authors pitch the tracker for multi-user roads at high speed.

Catalog record

CREATORAswiniya Ambigapathy, Sriharipriya KC
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE154997
LICENSEhttps://creativecommons.org/licenses/by/4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/article/MED/PMC13572546

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