Minimax design of MD sparse FIR filters with arbitrary frequency response using SOCP
AL Jayaweera, D Pakiyarajah… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The number of coefficients of multi-dimensional (MD) finite-extent impulse response (FIR)
filters increases exponentially with the number of dimensions leading to significantly high …
filters increases exponentially with the number of dimensions leading to significantly high …
Recurrent-neural-network-based polynomial noise resistance model for computing dynamic nonlinear equations applied to robotics
The solution of dynamic nonlinear equations plays an important role in the control of
complex systems. However, as a common physical phenomenon, noise seriously affects the …
complex systems. However, as a common physical phenomenon, noise seriously affects the …
Frequency-multiplexed array digitization for MIMO receivers: 4-Antennas/ADC at 28 GHz on xilinx ZCU-1285 RF SoC
Communications at mm-wave frequencies and above rely heavily on beamforming antenna
arrays. Typically, hundreds, if not thousands, of independent antenna channels are used to …
arrays. Typically, hundreds, if not thousands, of independent antenna channels are used to …
Circular Array N-Beam Digital Beamformer having Low Arithmetic Complexity: 16 Simultaneous 100 MHz Beams at 2.4 GHz
V Ariyarathna, A Madanayake - IEEE Transactions on Radar …, 2023 - ieeexplore.ieee.org
This paper proposes a-element uniform circular array (UCA)-beam multibeam beamformer
having arithmetic complexity. The architecture achieves a reduction of the arithmetic …
having arithmetic complexity. The architecture achieves a reduction of the arithmetic …
A novel multi-dimensional zero-phase IIR notch filter with independently-tunable multiple notches
CUS Edussooriya, T Chandima - Multidimensional Systems and Signal …, 2022 - Springer
We propose a novel multi-dimensional zero-phase infinite impulse response (IIR) notch filter
having multiple independently-tunable notches. The proposed notch filter employs a …
having multiple independently-tunable notches. The proposed notch filter employs a …
Multibeam Wideband Transmit Beamforming Using 2D Sparse FIR Trapezoidal Filters
N Dissanayake, CUS Edussooriya… - Journal of Low Power …, 2024 - mdpi.com
A low-complexity multibeam wideband transmit beamformer using a 2D sparse FIR filter
design capable of multiple beams is proposed as a digital building block for fully digital …
design capable of multiple beams is proposed as a digital building block for fully digital …
An X-Band CMOS digital phased array radar from hardware to software
YM Wu, HC Chou, CY Ke, CC Wang, CT Li, LH Chang… - Sensors, 2021 - mdpi.com
Phased array technology features rapid and directional scanning and has become a
promising approach for remote sensing and wireless communication. In addition, element …
promising approach for remote sensing and wireless communication. In addition, element …
Minimax Design of MD Complex-Coefficient FIR Filters with Nearly-Constant Low Group Delays
D Pakiyarajah, USC Edussooriya… - 2023 Moratuwa …, 2023 - ieeexplore.ieee.org
The optimal designs of multi-dimensional (MD) complex-coefficient finite-extent impulse
response (FIR) filters with low group delays predominantly consider only the minimization of …
response (FIR) filters with low group delays predominantly consider only the minimization of …
A Low-Complexity 2-D FIR Parallelogram Filter for Broadband Beamforming with Sparse Linear Arrays
D Pakiyarajah, CUS Edussooriya… - 2023 Moratuwa …, 2023 - ieeexplore.ieee.org
Broadband beamformers designed as two-dimensional (2-D) spatially-interpolated finite-
extent impulse responses (FIR) filters, using a cascade structure, cannot employ sparse …
extent impulse responses (FIR) filters, using a cascade structure, cannot employ sparse …
WLS design of MD complex-coefficient FIR filters with low group delay using second-order cone programming
D Pakiyarajah, SS Jayaweera… - … on Circuits and …, 2021 - ieeexplore.ieee.org
We propose a weighted least-squares (WLS) design method for multi-dimensional (MD)
complex-coefficient finite-extent impulse response (FIR) filters. We consider the general form …
complex-coefficient finite-extent impulse response (FIR) filters. We consider the general form …