Design and Implementation of Modulation Recognition Algorithm Based on Monitoring Receiver

Peng Zhou; Qi An; Wei Xia; Zi Shu He

doi:10.4028/www.scientific.net/AMM.411-414.898

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 411-414Design and Implementation of Modulation...

Design and Implementation of Modulation Recognition Algorithm Based on Monitoring Receiver

Abstract:

In order to recognize the modulation type of common communication signals, an automatic recognition algorithm based on decision theory is designed and introduced. Combined with engineering realization, an adjustment is made to the algorithm. Then, a recognition scheme is proposed and realized on Digital Signal Processor (DSP), which is the key module in monitoring receiver. When the signal-to-noise ratio is not less than 12 dB, the experimental results show that the right recognition rates of eight common communication signals are above 90%. The algorithm proposed can result in a good case, and the smaller calculated complexity compared with its counterparts makes it could better reach the real-time requirement of engineering realization.

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Periodical:

Applied Mechanics and Materials (Volumes 411-414)

Pages:

898-902

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.411-414.898

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Online since:

September 2013

Authors:

Peng Zhou, Qi An, Wei Xia, Zi Shu He

Keywords:

Characteristic Parameter, Decision Theory, Digital Signal Processor (DSP), Modulation Recognition, Receiver

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