학술논문
Demodulation of continuous phase 2FSK signal with Gardner synchronization
Document Type
Conference
Author
Source
2016 6th International Conference on Electronics Information and Emergency Communication (ICEIEC) Electronics Information and Emergency Communication (ICEIEC), 2016 6th International Conference on. :228-231 Jun, 2016
Subject
Language
ISSN
2377-844X
Abstract
In this paper, a new method of demodulation of continuous phase binary FSK signal is presented, during FSK demodulation, the FSK signal produces In-phase signal (I(t)) and Quadrature signal (Q(t)). And method of Gardner synchronization is used for bit synchronization. When using Gardner synchronization, some changes must be made so that it is suitable for FSK demodulation. It can resist 7% of frequency deviation. And it gets lower bit error rate than traditional method of coherent demodulation when SNR is the same. What's more, there is only 0.1dB SNR loss, 9.78 dB to 9.88 dB, when the bit error rate is 1e-3 when we compare demodulation with Gardner synchronization to optimal receiver demodulation.