A reduced-complexity frequency detector derived from the maximum-likelihood principle
作者： G. Karam , I. Jeanclaude , H. Sari
DOI: 10.1109/26.469435
关键词:
摘要: In addition to the conventional matched filter, implementation of Gardner's (1990) frequency detector (GFD) based on maximum-likelihood principle also involves a frequency-matched filter. present authors give reduced-complexity (RCFD) derived from through simple approximation They analyze its steady-state jitter properties and acquisition performance compare it original GFD as well well-known balanced quadricorrelator. The results show that RCFD is close this significantly outperforms quadricorrelator which similar hardware complexity. Another contribution paper analysis when their outputs are computed at twice symbol rate. >
sci-hub.se 参考文章(13)
Hikmet Sari, Said Moridi, Lydie Desperben, A New Class of Frequency Detectors for Carrier Recovery in QAM Systems. international conference on communications. pp. 482- 486 ,(1986)
C.F. Sheaffer, The Zero-Beat Method of Frequency Discrimination Proceedings of the IRE. ,vol. 30, pp. 365- 367 ,(1942) , 10.1109/JRPROC.1942.231699
A.N. D'Andrea, U. Mengali, Performance of a quadricorrelator driven by modulated signals IEEE Transactions on Communications. ,vol. 38, pp. 1952- 1957 ,(1990) , 10.1109/26.61476
H. Sari, S. Moridi, New phase and frequency detectors for carrier recovery in PSK and QAM systems IEEE Transactions on Communications. ,vol. 36, pp. 1035- 1043 ,(1988) , 10.1109/26.7515
Donald Richman, Color-Carrier Reference Phase Synchronization Accuracy in NTSC Color Television Proceedings of the IRE. ,vol. 42, pp. 106- 133 ,(1954) , 10.1109/JRPROC.1954.274618
F. Natali, AFC Tracking Algorithms IEEE Transactions on Communications. ,vol. 32, pp. 935- 947 ,(1984) , 10.1109/TCOM.1984.1096152
A.N. D'Andrea, U. Mengali, Performance of a frequency detector based on the maximum likelihood principle global communications conference. pp. 340- 344 ,(1992) , 10.1109/GLOCOM.1992.276467
G. Karam, F. Daffara, H. Sari, Simplified versions of the maximum-likelihood frequency detector global communications conference. pp. 345- 349 ,(1992) , 10.1109/GLOCOM.1992.276466
T. Alberty, V. Hespelt, A new pattern jitter free frequency error detector IEEE Transactions on Communications. ,vol. 37, pp. 159- 163 ,(1989) , 10.1109/26.20084
A.N. D'Andrea, U. Mengali, Design of quadricorrelators for automatic frequency control systems IEEE Transactions on Communications. ,vol. 41, pp. 988- 997 ,(1993) , 10.1109/26.231920