Abstract
In order to design a flexible measurement instrument for digital telecommunication signals, a method has been proposed in a precedent paper. The method can automatically recognize the classical band-pass single carrier modulations such as ASK (Amplitude Shift Keying), PSK (Phase Shift Keying), FSK (Frequency Shift Keying), QAM (Quadrature Amplitude Modulation), and the multicarrier OFDM (Orthogonal Frequency Division Multiplexing), such as the DMT (Discrete MultiTone) required by the ADSL (Asymmetric Digital Subscriber Line) and VDSL (Very high-speed Digital Subscriber Line) standards, and by the HomePlug 1.0 PLC (PowerLine Carrier) transmission. This paper presents the first experimental results obtained by applying the proposed method on simulated signals in different environments in order to evaluate its performances and application range. In particular it has been validated in presence of additive white Gaussian noise, colored noise and multipath fading showing good classification percentages, also in very noisy environments.
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