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Angle of Arrival Estimation for Non-Circular Signals

Authors: Amjad Salameh; Nizar Tayem;

Angle of Arrival Estimation for Non-Circular Signals

Abstract

A new algorithm is introduced in this paper that estimates one dimension direction of arrivals utilizing coherent and noncoherent non-circular sources. Examples of such sources are binary shift keying (BPSK) and M-ary amplitude shift keying (MASK). This algorithm presents several advantages over the classical subspace algorithms such as Root MUSIC and forward/backward smoothing by Pillai et al. The two major advantages are that the proposed method does not require forward/backward spatial smoothing for the covariance matrix, hence decreasing the computational load and time. In addition to this, Pillai method can only detect 2N/3 coherent sources whereas our method can detect N-1 sources where N is the number of antennas used. These advantages lead to more accurate estimation as well as better performance when compared to the conventional Root MUSIC and the Pillai method.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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