Accelerate Demodulation of Quadrature Amplitude Modulation Using GPU

Xiao Peng Gao; Si Yuan Wang; Han Wan

doi:10.4028/www.scientific.net/AMM.325-326.907

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 325-326Accelerate Demodulation of Quadrature Amplitude...

Accelerate Demodulation of Quadrature Amplitude Modulation Using GPU

Abstract:

Quadrature amplitude modulation (QAM) is widely used in communication systems. The traditional QAM demodulation method was implemented in hardware. This paper proposes a demodulation algorithm using GPU. The GPU algorithm is easier to add new features than hardware implementation and reaches 57x speed up compared with the serial algorithm on CPU. It is shown that the QAM demodulation algorithm gained significant performance increase due to the natural parallism of the GPU, using Compute Unified Device Architecture (CUDA).

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Periodical:

Applied Mechanics and Materials (Volumes 325-326)

Pages:

907-911

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.325-326.907

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Online since:

June 2013

Authors:

Xiao Peng Gao, Si Yuan Wang, Han Wan

Keywords:

CUDA, Graphic Processing Unit (GPU), Multithread, QAM, Software-Defined Radio

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