Wireless communications and applications above 100 GHz: Opportunities and challenges for 6G and beyond

TS Rappaport, Y Xing, O Kanhere, S Ju… - IEEE …, 2019 - ieeexplore.ieee.org
Frequencies from 100 GHz to 3 THz are promising bands for the next generation of wireless
communication systems because of the wide swaths of unused and unexplored spectrum …

The potentials, challenges, and future directions of on-chip-antennas for emerging wireless applications—A comprehensive survey

R Karim, A Iftikhar, B Ijaz, IB Mabrouk - IEEE Access, 2019 - ieeexplore.ieee.org
The ever-growing demand for low power, high performance, cost-effective, low-profile, and
highly integrated wireless systems for emerging applications has triggered the need for the …

Energy-quality scalable integrated circuits and systems: Continuing energy scaling in the twilight of Moore's law

M Alioto, V De, A Marongiu - IEEE Journal on Emerging and …, 2018 - ieeexplore.ieee.org
This paper aims to take stock of recent advances in the field of energy-quality (EQ) scalable
circuits and systems, as promising direction to continue the historical exponential energy …

Millimeter-wave full duplex radios

V Singh, S Mondal, A Gadre, M Srivastava… - Proceedings of the 26th …, 2020 - dl.acm.org
mm-Wave has emerged as an attractive high-speed wireless communication paradigm
owing to the high available bandwidth at mm-wave frequencies. Full-Duplex has the …

A Fast DVM Algorithm for Wideband Time-Delay Multi-Beam Beamformers

SM Perera, L Lingsch, A Madanayake… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This paper presents a sparse factorization for the delay Vandermonde matrix (DVM) along
with fast, exact, radix-2, and recursive algorithms to compute the DVM-vector product for …

Fast radix-32 approximate DFTs for 1024-beam digital RF beamforming

A Madanayake, RJ Cintra, N Akram… - IEEE …, 2020 - ieeexplore.ieee.org
The discrete Fourier transform (DFT) is widely employed for multi-beam digital beamforming.
The DFT can be efficiently implemented through the use of fast Fourier transform (FFT) …

A novel area-power efficient design for approximated small-point FFT architecture

X Han, J Chen, B Qin… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Fast Fourier transform (FFT) is an essential algorithm in digital signal processing and
advanced mobile communications. With the continuous development of modern technology …

A 16-element 2.4-GHz multibeam array receiver using 2-D spatially bandpass digital filters

SK Pulipati, V Ariyarathna… - … on Aerospace and …, 2019 - ieeexplore.ieee.org
This paper presents the design, implementation, and the experimental verifications of a 2.4-
GHz multibeam array receiver based on two-dimensional (2-D) spatially bandpass (SBP) …

Efficient and self-recursive delay Vandermonde algorithm for multi-beam antenna arrays

SM Perera, A Madanayake… - IEEE Open Journal of …, 2020 - ieeexplore.ieee.org
This paper presents a self-contained factorization for the delay Vandermonde matrix (DVM),
which is the super class of the discrete Fourier transform, using sparse and companion …

Radix- Algorithm for Computing -Point DFT Approximations

L Portella, DFG Coelho, FM Bayer… - IEEE Signal …, 2022 - ieeexplore.ieee.org
The ever increasing technological demand for the DFT computation poses several
challenges both to theory and hardware realization. The design of usual fast Fourier …