Table 2 Comparison of proposed STFIF algorithm with prior Work.

From: RIS-assisted anti-spatial aliasing direct localization in NLOS scenarios via spatio-temporal-frequency information fusion

Method

STFIF

DF-MUSIC25

CADL26

Application

Direct localization

DOA estimation

Direct localization

Information Fusion

Spatial, Temporal, Frequency

Frequency

Spatial, Temporal

Scenario

NLOS

LOS

NLOS

Artifact Suppression Mechanism

Accumulates frequency and spatial domain information

Incorporating frequency information into the covariance matrix

No Artifact Suppression

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