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Single microphone active noise cancellation

In many industrial settings, high levels of unwanted acoustic noise are prevalent. Active noise cancellation in a procedure to destructively interfere with the acoustic wavefront of the noise signal and attenuate it as. An active

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Transmit beamforming and beamtracking

Transmit beamforming and beamtracking Transmit beamforming, as shown in Fig. 1, is a widely adopted technique in wireless communications for signal transmission from an array of multiple antennas to one or multiple users simultaneously served

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Source localization

Source localization     Direction-of-arrival (DOA) estimation is a fundamental problem in array signal processing, which has been widely applied in wireless communications and other areas. In 5G wireless communications, massive MIMO (multiple-input multiple-output) is a

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Radar-communication spectrum sharing

Radar-communication spectrum sharing With the ongoing congestion of wireless spectrum in the forthcoming 5G era, spectrum sharing has received significant attention in the past years. Besides employing a very large number of antennas at the

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Pilot Design in FDD massive MIMO

Pilot Design in FDD massive MIMO In 5G wireless communications, massive MIMO (multiple-input multiple-output) is the most promising technique, which employs a very large number of antennas at the base station. Nevertheless, the required pilot

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Knowledge enhanced compressive sampling array

Knowledge enhanced compressive sampling array According to the compressive sensing theory, the success of compress sensing depends on two essential principles: sparsity and incoherence. The sparsity implies that the signal can be compressively sensed, which

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Knowledge enhanced compressive radar ranging

Knowledge enhanced compressive radar ranging     In the era of 5G, faster network connections speed up the development of self-driving cars. For the self-driving cars, the key point to success is high resolution ranging/imaging. In

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Knowledge enhanced compressive radar imaging

Knowledge enhanced compressive radar imaging Based on the compressive sensing theory, the incoherence between compressive sensing matrix and signal representation basis guarantees the recovery of sparse signals from sub-Nyquist sampling. Random sensing matrices including Gaussian

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DOFs enhancement using sparse array

DOFs enhancement using sparse array Direction-of-arrival (DOA) estimation is one fundamental application in array processing, which has been widely used for various fields including radar, speech, wireless communications. Limited by the Nyquist sampling rate, uniform

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