Abstract
When a Costas loop is used for QAM demodulation, the received constellation diagram rotates. Rotation causes degradation of the symbol error rate (SER). In this paper we propose differential coding to eliminate the effects of rotation, with SER of  0.004 at SNR of 0 dB.
How to Cite
J. Ladvánszky . (2017). A Costas loop with Differential Coding. International Journal of Contemporary Research and Review , Vol. 8 No. 10 (2017) . https://doi.org/10.15520/ijcrr/2017/8/10/330