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The direction of arrival estimation in DS-CDMA systems employing the code-matched filters and parallel ESPRIT algorithms | IEEE Conference Publication | IEEE Xplore

The direction of arrival estimation in DS-CDMA systems employing the code-matched filters and parallel ESPRIT algorithms


Abstract:

It was shown that the number of array elements must exceed the number of sources for subspace-based direction-of-arrival (DOA) estimation. But this is not practical for a...Show More

Abstract:

It was shown that the number of array elements must exceed the number of sources for subspace-based direction-of-arrival (DOA) estimation. But this is not practical for a direct-sequence code-division multiple access (DS-CDMA) wireless system, since the number of mobile users is very large. To remove the aforementioned restriction, a DOA estimator, employing the code-matched filters and parallel ESPRIT algorithms, is proposed. This algorithm does not use to search all angles such as MUSIC method. Besides, it is not necessary to use AIC and MDL criterion to estimate the number of sources in the proposed algorithm. Simulation results illustrates the appropriate performance of the new method.
Date of Conference: 25-27 June 2010
Date Added to IEEE Xplore: 05 August 2010
ISBN Information:
Conference Location: Beijing, China

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