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2010•Telecommunication EngineeringRequires access

Realization of Demodulation and Despread Technology for GMSK Spread Spectrum Signal

Liang Xian-ming

Open publisher page 1 citations

Abstract

The principles and methods of two demodulation and despread technology for tamed spread spectrum GMSK modulation are analysed and compared.Then,the skills to save FPGA resource and detect frame are introduced in hardware design.Finally,the arithmetic is implemented in FPGA and verified by hardware.The result shows the method is feasible and can replace SAW(Surface Acoustic Wave) matched filter method.

About this research paper

What this paper is about

The principles and methods of two demodulation and despread technology for tamed spread spectrum GMSK modulation are analysed and compared.Then,the skills to save FPGA resource and detect frame are introduced in hardware design.Finally,the arithmetic is implemented in FPGA and verified by hardware.The result shows the method is feasible and can replace SAW(Surface Acoustic Wave) matched filter method.

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Available abstract

The principles and methods of two demodulation and despread technology for tamed spread spectrum GMSK modulation are analysed and compared.Then,the skills to save FPGA resource and detect frame are introduced in hardware design.Finally,the arithmetic is implemented in FPGA and verified by hardware.The result shows the method is feasible and can replace SAW(Surface Acoustic Wave) matched filter method.

Key concepts: Demodulation, Minimum-shift keying, Field-programmable gate array, Realization (probability), Frame (networking), Computer science, Modulation (music), Electronic engineering

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