Cyclic spectrum based carrier recovery for OQPSK

Hua Peng; Jing Li

doi:10.1117/12.913521

1 October 2011 Cyclic spectrum based carrier recovery for OQPSK

Hua Peng, Jing Li

Proceedings Volume 8285, International Conference on Graphic and Image Processing (ICGIP 2011); 82857C (2011) https://doi.org/10.1117/12.913521
Event: 2011 International Conference on Graphic and Image Processing, 2011, Cairo, Egypt

Abstract

A union carrier synchronization scheme of feed-forward frequency offset estimation and PLL for OQPSK signals is discussed in this paper. A feed-forward frequency offset estimator is developed based on the cyclic spectrum of the received signal. In order to suppress channel noise, an improved strategy is proposed. Simulations show that the presented scheme can achieve steady state much more quickly than conventional Costas loop. At the same time, the steady error of the union scheme is also smaller.

Citation Download Citation

Hua Peng and Jing Li "Cyclic spectrum based carrier recovery for OQPSK", Proc. SPIE 8285, International Conference on Graphic and Image Processing (ICGIP 2011), 82857C (1 October 2011); https://doi.org/10.1117/12.913521

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