Estimation method of DOA for DS-UWB signal

Front. Electr. Electron. Eng. ›› 2008, Vol. 3 ›› Issue (3) : 306 -308.

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Front. Electr. Electron. Eng. ›› 2008, Vol. 3 ›› Issue (3) : 306 -308. DOI: 10.1007/s11460-008-0055-x

Estimation method of DOA for DS-UWB signal

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Abstract

Direction of arrival (DOA) estimation is one of the key technologies in smart antennas in the direct sequence ultra wideband (DS-UWB) system. Traditional DOA estimation methods based on narrow-band signals are not suitable for such system. Therefore, a fourth-order cumulant-based estimation method of DOA for DS-UWB signal is proposed. This method is set on the frequency domain model of DS-UWB array signal. Simulation results show that the algorithm is effective and can guarantee adequate estimation accuracy.

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direction of arrival / direct sequence ultra wideband / fourth-order cumulant

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null. Estimation method of DOA for DS-UWB signal. Front. Electr. Electron. Eng., 2008, 3(3): 306-308 DOI:10.1007/s11460-008-0055-x

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