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This paper proposes spatial smoothing preprocessing (SSP)-like definition of the virtual array steering vector used in array mapping design process. Accuracy of direction-of-arrival (DOA) estimation is often deteriorated when incident signals are strongly cross-correlated, and SSP has been developed to reduce such signal correlation and then to accurately estimate DOAs of those signals. Application...
The DOA (Direction Of Arrival angle) estimation errors due to hardware problems are investigated experimentally using a four-channel DBF array antenna system operating at the 2.6 GHz IMS band. The DOA estimation by the MUSIC (MUltiple SIgnal Classification) algorithm is examined inside a radio anechoic chamber to clarify the estimation error mechanism. The purpose of this paper is to estimate the...
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