Over-the-Air Computation for 6G: Foundations, Technologies, and Applications
The rapid advancement of artificial intelligence technologies has given rise to diversified
intelligent services, which place unprecedented demands on massive connectivity and …
intelligent services, which place unprecedented demands on massive connectivity and …
An introduction to convex optimization for communications and signal processing
Convex optimization methods are widely used in the design and analysis of communication
systems and signal processing algorithms. This tutorial surveys some of recent progress in …
systems and signal processing algorithms. This tutorial surveys some of recent progress in …
Intelligent reflecting surface enabled sensing: Cramér-Rao bound optimization
This article investigates intelligent reflecting surface (IRS) enabled non-line-of-sight (NLoS)
wireless sensing, in which an IRS is deployed to assist an access point (AP) to sense a …
wireless sensing, in which an IRS is deployed to assist an access point (AP) to sense a …
Twenty-five years of advances in beamforming: From convex and nonconvex optimization to learning techniques
Beamforming is a signal processing technique to steer, shape, and focus an electromagnetic
(EM) wave using an array of sensors toward a desired direction. It has been used in many …
(EM) wave using an array of sensors toward a desired direction. It has been used in many …
A consolidated perspective on multimicrophone speech enhancement and source separation
Speech enhancement and separation are core problems in audio signal processing, with
commercial applications in devices as diverse as mobile phones, conference call systems …
commercial applications in devices as diverse as mobile phones, conference call systems …
A robust and efficient algorithm for coprime array adaptive beamforming
Coprime array offers a larger array aperture than uniform linear array with the same number
of physical sensors, and has a better spatial resolution with increased degrees of freedom …
of physical sensors, and has a better spatial resolution with increased degrees of freedom …
Robust adaptive beamforming based on interference covariance matrix reconstruction and steering vector estimation
Adaptive beamformers are sensitive to model mismatch, especially when the desired signal
is present in training snapshots or when the training is done using data samples. In contrast …
is present in training snapshots or when the training is done using data samples. In contrast …
On robust Capon beamforming and diagonal loading
The Capon (1969) beamformer has better resolution and much better interference rejection
capability than the standard (data-independent) beamformer, provided that the array …
capability than the standard (data-independent) beamformer, provided that the array …
Transmit beamforming for physical-layer multicasting
This paper considers the problem of downlink transmit beamforming for wireless
transmission and downstream precoding for digital subscriber wireline transmission, in the …
transmission and downstream precoding for digital subscriber wireline transmission, in the …
Convex optimization-based beamforming
In this article, an overview of advanced convex optimization approaches to-multisensor
beamforming is presented, and connections are drawn between different types of …
beamforming is presented, and connections are drawn between different types of …