Abstract
In this study, we present a modified modulation recognition method- the way to seek the slope (TW-STS), based on decision theory, which can classify 7 kinds of basic digital modulation signals well under the influence of Doppler Effect. The proposed scheme is obtained by analyzing the influence to instantaneous amplitude, instantaneous phase and instantaneous frequency caused by Doppler Effect and modifying the original modulation recognition model. It can retrain the influence well and then we can get high recognition rate. In actual band-limited channel, the Doppler Effect to the modulation recognition is more complex.
| Original language | English |
|---|---|
| Pages (from-to) | 825-832 |
| Number of pages | 8 |
| Journal | Information Technology Journal |
| Volume | 10 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2011 |
| Externally published | Yes |
Keywords
- Band-limited channel
- Instantaneous character
- Modulation recognition
- TW-STS
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