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In many situations it is desirable to identify the direction of arrival (DoA) of an incoming signal. Recently the idea of compressive sensing have been applied to DoA problems using sub-sampled linear arrays of omnidirectional antennas. In this paper we explore DoA estimation with compressive sensing using antennas with diverse and reconfigurable patterns. Our results show that compressively-sampled...
Long range underwater acoustic communications are challenging since this channel is severely band limited, time varying, and has a long delay spread. A linear turbo equalizer is a good candidate for communicating over this channel, because it achieves a high level of spectral efficiency with a realizable complexity. As the channel is FIR, the convergence of the turbo equalizer is improved by recursive...
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