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An Efficient Low Cost FPGA MIMO Channel Model
(Institute of Electrical and Electronics Engineers (IEEE), 2022-12-12)
In this paper, a mathematical model for generating AWGN and Rayleigh fading is presented and argued based around the generation of Gaussian distributed numbers. This paper is focused on a multiple input multiple output ...
Low-Complexity Lattice Reduction Aided Schnorr Euchner Sphere Decoder Detection Schemes with MMSE and SIC Pre-processing for MIMO Wireless Communication Systems
(IEEE Computer Society, 2022-03-03)
The LRAD-MMSE-SIC-SE-SD (Lattice Reduction Aided Detection - Minimum Mean Squared Error-Successive Interference Cancellation - Schnorr Euchner - Sphere Decoder) detection scheme that introduces a trade-off between performance ...
An Isolated ZVS DC/DC Converter with Diode-connected MOSFET in Rectifier
(Institute of Electrical and Electronics Engineers (IEEE), 2022-02-02)
This paper presents an isolated resonant zero voltage switching ZVS converter with a diode-connected MOSFET in a rectifier. The active resonant network is the composition of a resonant capacitor, a transformer leakage ...
Design and Implementation of a Re-configurable Versatile Direct Digital Synthesis based Pulse Generator
(2021-07-02)
Direct digital synthesis (DDS) technology has replaced many traditional analogue circuit functions. The frequency, amplitude and phase of a waveform generated using DDS can be precisely controlled. It is possible to achieve ...
A Step-Down ZVS Power Converter with Self-Driven Synchronous Rectifier
(IEEE, 2021-04-27)
In this paper a step-down ZVS power converter with a self-driven synchronous rectifier (SDSR) for a low-voltage high-current applications is proposed. A transformer leakage inductance, a resonant capacitor and a diode make ...
A Step-Down ZVS Power Converter with Self-Driven Synchronous Rectifier
(Institute of Electrical and Electronics Engineers (IEEE), 2021-04-27)
In this paper a step-down ZVS power converter with a self-driven synchronous rectifier (SDSR) for a low-voltage high-current applications is proposed. A transformer leakage inductance, a resonant capacitor and a diode make ...
Design and Implementation of a Reconfigurable Wideband Radio Frequency Spectrum Analyzer with Image Rejection in the Digital Domain
(2021-02-19)
Most existing radio frequency (RF) spectrum analyzers use conventional superheterodyne architecture to remove images associated with the down conversion of RF input frequency to some intermediate frequency (IF) for further ...
Low-power, high-linearity transconductor with a high tolerance for process and temperature variations
(2020-11-18)
A novel scheme for tunable complementary metal–oxide–semiconductor (CMOS) transconductor robust against process and temperature (PT) variations is presented. The proposed configuration is a voltage controlled circuit based ...
Jointly optimized echo state network for short-term channel state information prediction of fading channel
(2020-07-27)
Accurately obtaining channel state information (CSI) in wireless systems is significant but challenging. This paper focuses the technique of machine-learning-based channel estimation. In particular, a jointly optimized ...
Energy Efficient Relay Selection Algorithm for Virtual MIMO Cooperative Networks
(Institute of Electrical and Electronics Engineers (IEEE), 2020-07-27)
In this paper, we propose a distance based energy efficient multiple relay selection algorithm for cooperative virtual Multiple-Input-Multiple-Output (MIMO). The fundamentals of this method is to forward the source signal ...