VLSI design and implementation of reconfigurable 46-mode combined-radix-based FFT hardware architecture for 3GPP-LTE applications

XY Shih, HR Chou, YQ Liu - … on Circuits and Systems I: Regular …, 2017 - ieeexplore.ieee.org
This paper presents a reconfigurable fast Fourier transform (FFT) hardware architecture,
supporting 46 different FFT sizes defined in 3GPP-LTE applications. Our proposed design …

Design and implementation of flexible and reconfigurable SDF-based FFT chip architecture with changeable-radix processing elements

XY Shih, HR Chou, YQ Liu - … on Circuits and Systems I: Regular …, 2018 - ieeexplore.ieee.org
In this paper, we propose a flexible and reconfigurable changeable-radix fast Fourier
transform (FFT) hardware architecture. It aims to support 48 different FFT sizes and up to …

Dual Square-Shaped Constellation with Two-Layer Coding and Successive Demapping for Odd-Bit QAM

S Son, J Park, M Yu, H Park - IEEE Access, 2024 - ieeexplore.ieee.org
Odd-bit quadrature amplitude modulations (QAMs) can achieve higher data rates than even-
bit QAMs in some signal-to-noise (SNR) regions but they have not been used in wireless …

Reconfigurable FPGA-based FFT processor for cognitive radio applications

ML Ferreira, A Barahimi, JC Ferreira - … , RJ, Brazil, March 22–24, 2016 …, 2016 - Springer
Cognitive Radios (CR) are viewed as a solution for spectrum utilization and management in
next generation wireless networks. In order to adapt themselves to the actual …

A generator of memory-based, runtime-reconfigurable 2N3M5K FFT engines

A Wang, J Bachrach, B Nikolié - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
Runtime-reconfigurable, mixed-radix FFT/IFFT engines are essential for modern wireless
communication systems. To comply with varying standards requirements, these engines are …

Dynamically reconfigurable FFT processor for flexible OFDM baseband processing

ML Ferreira, A Barahimi… - … Conference on Design …, 2016 - ieeexplore.ieee.org
The Physical layer architectures for the next generation of wireless devices will be
characterized by a high degree of flexibility for real-time adaptation to communication …

Cost-efficient mapping of 3-and 5-point DFTs to general baseband processors

A Karlsson, J Sohl, D Liu - 2015 IEEE International Conference …, 2015 - ieeexplore.ieee.org
Discrete Fourier transforms of 3 and 5 points are essential building blocks in FFT
implementations for standards such as 3GPP-LTE. In addition to being more complex than 2 …

An SDR-based reconfigurable multicarrier transceiver for terrestrial and satellite communications

E Mioso, M Bonomi, F Granelli… - 2017 IEEE Aerospace …, 2017 - ieeexplore.ieee.org
Multicarrier modulation is one of the cornerstones of modern radio communications.
Nowadays Orthogonal Frequency Division Multiplexing (OFDM) finds wide employment in …

[PDF][PDF] An Enhanced Arbitrary Radix FFT Algorithm

F Belilita, N Amardjia, D Chikouche - International Journal of Applied …, 2017 - academia.edu
In this paper, we propose an enhanced radix-R decimation-infrequency (DIF) FFT algorithm
based on the Cooley–Tukey approach coupled with a new indexing process introduced in …

Energy efficient VLSI circuits for MIMO-WLAN

CCSD Senning - 2014 - infoscience.epfl.ch
Mobile communication-anytime, anywhere access to data and communication services-has
been continuously increasing since the operation of the first wireless communication link by …