2005•Avionics TechnologyRequires access

Application of Quadrature Modulation and Demodulation Algorithm to SDR

Xu Bin

Abstract

The modulation and demodulation of signal is one of the most important problems in research of SDR(Software Defined Radio). Because of the same structure in hardware, it is usually to use different algorithm to demodulate different signal. In this paper, we recommend an universal structure, and give the simple algorithm based on FPGA, that can satisfy the requirements of demodulation algorithm in SDR. This system can realize 8Mbps data rate.

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Available abstract

Key concepts: Demodulation, Software-defined radio, Field-programmable gate array, Computer science, Modulation (music), Quadrature (astronomy), Algorithm, SIGNAL (programming language)