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FPGA Implemetation of Acquisition Phase of the GPS Receiver Using XSG

Hawary Mohamed Ibrahiem El, Hamza Gihan Gomah, Zekry Abdelhalim, Motawie Ibrahiem Mohamed

International Journal of Electronics and Telecommunications

2019

Vol. 65, No. 4

739--744

In the past it was usual to exert a huge effort in the design, simulation, and the real time implementation of the complicated electronic and communication systems, like GNSS receivers. The complexity of the system algorithms combined with the complexity of the available tools created a system that is difficult to track down for debugging or for redesign. So, the simulation and educational tools was different from the prototyping tools. In this paper the parallel search acquisition phase of a GPS receiver was simulated and implemented on FPGA using the same platform and through a graphical programming language. So this paper introduces the fruit of integrating the prototyping tools with the simulation tools as a single platform through which the complicated electronic systems can be simulated and prototyped.

Hardware software co-simulation of a digital EMI filter using Xilinx system generator

Bchir Y., Gdaim S., Djilali H., Mtibaa A.

Archives of Electrical Engineering

2018

Vol. 67, nr 3

515–-527

Mitigation of electromagnetic inference (EMI) is currently a challenge for scientists and designers in order to cope with electromagnetic compatibility (EMC) compliance in switching mode power supply (SMPS) and ensure the reliability of the whole system. Standard filtering techniques: passive and active ones present some insufficiency in terms of performance at high frequencies (HF) because analog components would no longer be controllable and this is mainly due to their parasitic elements. So developing EMI digital filters is very interesting, especially with the embedment of a machine control system on a field programmable gate array (FPGA) chip. In this paper, we present a design of an active digital EMI filter (ADF) to be integrated in a drive train system of an electric vehicle (EV). Hardware design as well as FPGA implementation issues have been presented to prove the efficiency of the developed digital filtering structure.