Compressed sensing for wireless communications: Useful tips and tricks

JW Choi, B Shim, Y Ding, B Rao… - … Surveys & Tutorials, 2017 - ieeexplore.ieee.org
As a paradigm to recover the sparse signal from a small set of linear measurements,
compressed sensing (CS) has stimulated a great deal of interest in recent years. In order to …

Multipath matching pursuit

S Kwon, J Wang, B Shim - IEEE transactions on information …, 2014 - ieeexplore.ieee.org
In this paper, we propose an algorithm referred to as multipath matching pursuit (MMP) that
investigates multiple promising candidates to recover sparse signals from compressed …

Deep learning-based sphere decoding

M Mohammadkarimi, M Mehrabi… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
In this paper, a deep learning (DL)-based sphere decoding algorithm is proposed, where the
radius of the decoding hypersphere is learned by a deep neural network (DNN). The …

Massively concurrent non-orthogonal multiple access for 5G networks and beyond

RA Stoica, GTF De Abreu, T Hara, K Ishibashi - IEEE Access, 2019 - ieeexplore.ieee.org
We propose a new signal spreading-based non-orthogonal multiple access (NOMA)
schemes that exploits the frame-theoretic design principles to enable the efficient …

Faster recursions in sphere decoding

A Ghasemmehdi, E Agrell - IEEE Transactions on Information …, 2011 - ieeexplore.ieee.org
Most of the calculations in standard sphere decoders are redundant in the sense that they
either calculate quantities that are never used or calculate some quantities more than once …

Geosphere: Consistently turning MIMO capacity into throughput

K Nikitopoulos, J Zhou, B Congdon… - ACM SIGCOMM …, 2014 - dl.acm.org
This paper presents the design and implementation of Geosphere, a physical-and link-layer
design for access point-based MIMO wireless networks that consistently improves network …

Success probability of the Babai estimators for box-constrained integer linear models

J Wen, XW Chang - IEEE Transactions on Information Theory, 2016 - ieeexplore.ieee.org
In many applications including communications, one may encounter a linear model where
the parameter vector x̂ is an integer vector in a box. To estimate x̂, a typical method is to …

DNN assisted sphere decoder

A Askri, GRB Othman - 2019 IEEE International Symposium on …, 2019 - ieeexplore.ieee.org
A modified sphere decoding (SD) scheme is proposed for multiple-input multiple-output
(MIMO) communication systems in this paper. The contribution of the paper includes the …

A MMSE vector precoding with block diagonalization for multiuser MIMO downlink

J Park, B Lee, B Shim - IEEE transactions on communications, 2011 - ieeexplore.ieee.org
Block diagonalization (BD) algorithm is a generalization of the channel inversion that
converts multiuser multi-input multi-output (MIMO) broadcast channel into single-user MIMO …

Reducing the complexity of quasi-maximum-likelihood detectors through companding for coded MIMO systems

X Dai, R Zou, J An, X Li, S Sun… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
A companding-based transformation method is introduced to quasi-maximum-likelihood
(ML) detectors, such as the QR-decomposition-based M-algorithm (QRD-M) and list sphere …