Effect of frequency offset on carrier phase and symbol timing recovery in digital receivers

被引：1

作者：

Hamila, R ^{[1
]}

Vesma, J ^{[1
]}

Vuolle, H ^{[1
]}

Renfors, M ^{[1
]}

机构：

[1] Tampere Univ Technol, Telecommun Lab, FIN-33101 Tampere, Finland

来源：

1998 URSI SYMPOSIUM ON SIGNALS, SYSTEMS, AND ELECTR ONICS | 1998年

关键词：

D O I：

10.1109/ISSSE.1998.738075

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Recently, a new all-digital technique for clock and carrier phase synchronization of digital receivers was introduced by the authors. This technique is based on a polynomial approximation of the likelihood function and utilizes the Farrow structure for symbol interpolation. In this contribution, we analyze the effect of frequency offset or Doppler shift on the performance of the receiver while adjusting jointly the symbol timing and the carrier phase. Simulation results for the data-aided synchronization principle using two types of interpolators are provided and compared with the theoretical case. We notice that our optimized interpolator performs clearly better compared to the traditional Lagrange interpolator.

引用

页码：247 / 252

页数：6

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